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Liu Y, Liu D, Liu P, Liu C, Zhou J. Surfactant-assisted molecular-level tunning of phenol-formaldehyde-based hard carbon microspheres for high-performance sodium-ion batteries. J Colloid Interface Sci 2024; 666:118-130. [PMID: 38588624 DOI: 10.1016/j.jcis.2024.04.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/28/2024] [Accepted: 04/02/2024] [Indexed: 04/10/2024]
Abstract
The phenol-formaldehyde (PF) resin is an economical precursor for spherical hard carbon (HC) anodes for sodium-ion batteries (SIBs). However, achieving precise molecular-level control of PF-based HC microspheres, particularly for optimizing ion transport microstructure, is challenging. Here, a sodium linoleate (SL)-assisted strategy is proposed to enable molecular-level engineering of PF-based HC microspheres. PF microspheres are synthesized through the polymerization of 3-aminophenol and formaldehyde, initially forming oxazine rings and then undergoing ring-opening polymerization to create a macromolecular network. SL functions as both a surfactant to control microsphere size and a catalyst to enhance ring-opening polymerization and increase polymerization of PF resin. These modifications lead to reduced microsphere diameter, increased interlayer spacing, enhanced graphitization, and significantly improved electron and ion transfer. The synthesized HC microspheres exhibit a remarkable reversible capacity of 337 mAh/g, maintaining 96.9 mAh/g even at a high current density of 5.0 A/g. Furthermore, the full cell demonstrates a high capacity of 150 mAh/g, an energy density of 125.3 Wh kg-1, an impressive initial coulombic efficiency (ICE) of 930.3% at 1 A/g, and remarkable long-term stability over 3000 cycles. This study highlights the potential of surfactant-assisted molecular-level engineering in customizing HC microspheres for advanced SIBs.
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Affiliation(s)
- Yuting Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Di Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Peng Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Changhai Liu
- School of Materials Science and Engineering, CNPC-CZU Innovation Alliance, Changzhou University, Changzhou 213164, China.
| | - Jisheng Zhou
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
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2
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Lotfy D, El-Sayyad GS, Shehata N. Hexamethylenetetramine functionalized graphene oxide-alginate beads nanocomposite as efficient sorbent for dye from aqueous solution. Int J Biol Macromol 2023; 228:754-772. [PMID: 36563810 DOI: 10.1016/j.ijbiomac.2022.12.208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 12/15/2022] [Accepted: 12/18/2022] [Indexed: 12/25/2022]
Abstract
In this study, a novel eco-friendly sorbent, hexamethylenetetramine (HMTA) functionalized calcium alginate (AG) immobilized graphene oxide (GO) composite (AG-GO-HMTA) and hexamethylenetetramine functionalized calcium alginate composite (AG-HMTA) were prepared. Adsorption factors including pH impact, contact time, initial dye concentration, dosage, selectivity and reusability on methylene blue (MB) removal from water were investigated. The prepared sorbents were characterized using structural (e.g. XRD, FT-IR, EDAX), thermal (e.g. TGA, DTG), and morphological (e.g. SEM, BET) analysis techniques. The equilibrium adsorption data was described by the Langmuir and Freundlich isotherms, and the adsorption kinetic and thermodynamic parameters were investigated. The field studies and regeneration of the beads were investigated. AG-GO HMTA displays a well-defined porous structure and this desired morphology arising from high quality dispersion of HMTA within the AG-GO matrix. The highest adsorption capacities were observed at pH ∼ 5, meanwhile the adsorption of MB dye molecules, positively charged, onto the beads became faster due to strong electrostatic interactions. When the value of dosage is 0.01 g, the equilibrium concentration (mg/g) are maximum at 103, 110, 164, 168 mg/g for AG, AG-GO, AG-HMTA and AG-GO-HMTA, respectively. The present work shows that pseudo first order could describe the MB adsorption onto AG while it couldn't describe the MB adsorption onto the functionalized sorbents due to the hybrid materials complicity.
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Affiliation(s)
- Dina Lotfy
- Environmental Science and Industrial Development Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef 62511, Egypt; Beni-Suef Potable Water and Sanitation Company, A Subsidiary of the Holding Company for Water and Sanitation, Beni-Suef, Egypt
| | - Gharieb S El-Sayyad
- Microbiology and Immunology Department, Faculty of Pharmacy, Galala University, New Galala City, Suez, Egypt; Drug Microbiology Lab, Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
| | - Nabila Shehata
- Environmental Science and Industrial Development Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef 62511, Egypt
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3
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Pi Y, Ma Y, Wang X, Price CAH, Li H, Liu Q, Wang L, Chen H, Hou G, Su BL, Liu J. Multilevel Hollow Phenolic Resin Nanoreactors with Precise Metal Nanoparticles Spatial Location toward Promising Heterogeneous Hydrogenations. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2205153. [PMID: 35999183 DOI: 10.1002/adma.202205153] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/21/2022] [Indexed: 06/15/2023]
Abstract
Hollow nanostructures with fascinating properties have inspired numerous interests in broad research fields. Cell-mimicking complex hollow architectures with precise active components distributions are particularly important, while their synthesis remains highly challenging. Herein, a "top-down" chemical surgery strategy is introduced to engrave the 3-aminophenol formaldehyde resin (APF) spheres at nanoscale. Undergoing the cleavage of (Ar)CN bonds with ethanol as chemical scissors and subsequent repolymerization process, the Solid APF transform to multilevel hollow architecture with precise nanospatial distribution of organic functional groups (e.g., hydroxymethyl and amine). The transformation is tracked by electron microscopy and solid-state nuclear magnetic resonance techniques, the category and dosage of alcohol are pivotal for constructing multilevel hollow structures. Moreover, it is demonstrated the evolution of nanostructures accompanied with unique organic microenvironments is able to accurately confine multiple gold (Au) nanoparticles, leading to the formation of pomegranate-like particles. Through selectively depositing palladium (Pd) nanoparticles onto the outer shell, bimetallic Au@APF@Pd catalysts are formed, which exhibit excellent hydrogenation performance with turnover frequency (TOF) value up to 11257 h-1 . This work provides an effective method for precisely manipulating the nanostructure and composition of polymers at nanoscale and sheds light on the design of catalysts with precise spatial active components.
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Affiliation(s)
- Yutong Pi
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
- University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Yanfu Ma
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
| | - Xinyao Wang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
- University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Cameron-Alexander Hurd Price
- Department of Chemical Engineering and Analytical Science, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK
- The University of Manchester at Harwell, Diamond Light Source, Didcot, Oxfordshire, OX11 0DE, UK
- UK Catalysis Hub, Research Complex at Harwell, Rutherford Appleton Labs, Harwell campus, Didcot, Oxfordshire, OX11 0FA, UK
- DICP-Surrey Joint Centre for Future Materials, Department of Chemical and Process Engineering, University of Surrey, Guildford, Surrey, GU2 7XH, UK
| | - Haitao Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
| | - Qinglong Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
| | - Liwei Wang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
- University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Hongyu Chen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
- University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Guangjin Hou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
| | - Bao-Lian Su
- Laboratory of Inorganic Materials Chemistry, University of Namur, 61, rue de Bruxelles, Namur, 5000, Belgium
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan, 430070, China
| | - Jian Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
- DICP-Surrey Joint Centre for Future Materials, Department of Chemical and Process Engineering, University of Surrey, Guildford, Surrey, GU2 7XH, UK
- School of Chemistry and Chemical Engineering, Inner Mongolia University, 235 West University Street, Hohhot, 010021, China
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4
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Gong X, Meng Y, Lu J, Tao Y, Cheng Y, Wang H. A Review on Lignin‐Based Phenolic Resin Adhesive. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202100434] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Xiaoyu Gong
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials Dalian Polytechnic University Dalian Liaoning 116034 China
| | - Yi Meng
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials Dalian Polytechnic University Dalian Liaoning 116034 China
| | - Jie Lu
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials Dalian Polytechnic University Dalian Liaoning 116034 China
| | - Yehan Tao
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials Dalian Polytechnic University Dalian Liaoning 116034 China
| | - Yi Cheng
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials Dalian Polytechnic University Dalian Liaoning 116034 China
| | - Haisong Wang
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials Dalian Polytechnic University Dalian Liaoning 116034 China
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5
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Izumi A, Shudo Y, Shibayama M, Miyata N, Miyazaki T, Aoki H. In Situ Neutron Reflectometry Analysis of Interfacial Structure Formation between Phenolic Resin and Silica during Curing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:13867-13872. [PMID: 34783569 DOI: 10.1021/acs.langmuir.1c02313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The structural formation mechanism of phenolic resin-silica interfaces was investigated in situ by neutron reflectometry during curing. There was a 4 nm thick novolac resin adsorption layer on the silica surface before curing. The curing reaction of the novolac resin with hexamethylenetetramine (HMTA) increased the coherent neutron scattering length density of the resin due to the cure shrinkage accompanied by the volatilization of ammonia, which is a byproduct of HMTA decomposition. As curing proceeded at 180 °C, the thickness of the bulk layer increased despite the cure shrinkage, and the thickness of the interfacial layer decreased from 4 to 1 nm. This is attributed to the diffusion of decomposed HMTA fragments generated in the bulk layer into the interfacial novolac adsorption layer during diffusion throughout the bulk layer, incorporating the upper part of the interfacial layer reacting with the fragment into the bulk layer. On the other hand, the fragments could not diffuse into the tightly bound immobile segments of novolac resin in direct contact with the silica surface, retaining the 1-2 nm thick interfacial layer in the cured resin. This structural formation mechanism caused interfacial cross-link inhomogeneity in the cured resin on the silica surface.
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Affiliation(s)
- Atsushi Izumi
- Corporate Engineering Center, Sumitomo Bakelite Co., Ltd., 2100 Takayanagi, Fujieda, Shizuoka 426-0041, Japan
| | - Yasuyuki Shudo
- Corporate Engineering Center, Sumitomo Bakelite Co., Ltd., 2100 Takayanagi, Fujieda, Shizuoka 426-0041, Japan
| | - Mitsuhiro Shibayama
- Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society, 162-1 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan
| | - Noboru Miyata
- Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society, 162-1 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan
| | - Tsukasa Miyazaki
- Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society, 162-1 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan
| | - Hiroyuki Aoki
- Materials and Life Science Division, J-PARC Center, Japan Atomic Energy Agency, 2-4 Shirakata, Tokai, Naka, Ibaraki 319-1195, Japan
- Institute of Materials Structure Science, High Energy Accelerator Research Organization, 203-1 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan
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6
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Seraji MM, Arefazar A. Microstructural properties, thermal insulation and thermal degradation behavior of b
oron‐containing
monolithic novolac xerogels. J Appl Polym Sci 2021. [DOI: 10.1002/app.50217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Mohammad Mehdi Seraji
- Department of Polymer Engineering and Color Technology Amirkabir University of Technology Tehran Iran
| | - Ahmad Arefazar
- Department of Polymer Engineering and Color Technology Amirkabir University of Technology Tehran Iran
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7
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Thirukumaran P, Parveen AS, Ramkumar V, Santhamoorthy M, Kim SC. A sustainable strategy for the remediation of oil/water separation using polybenzoxazine/stearic acid functionalized porous carbon. NEW J CHEM 2021. [DOI: 10.1039/d1nj02829d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fabrication of superhydrophobic and superoleophilic polybenzoxazine-stearic acid based melamine sponge for industrial oil/water pollution treatments.
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Affiliation(s)
| | | | - Vanaraj Ramkumar
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | | | - Seong-Cheol Kim
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
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8
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Izumi A, Shudo Y, Shibayama M, Yoshida T, Miyata N, Miyazaki T, Aoki H. Interfacial Cross-Link Inhomogeneity of a Phenolic Resin on a Silica Surface As Revealed by X-ray and Neutron Reflection Measurements. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00398] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Atsushi Izumi
- Corporate Engineering Center, Sumitomo Bakelite Co., Ltd., 2100 Takayanagi, Fujieda, Shizuoka 426-0041, Japan
| | - Yasuyuki Shudo
- Corporate Engineering Center, Sumitomo Bakelite Co., Ltd., 2100 Takayanagi, Fujieda, Shizuoka 426-0041, Japan
| | - Mitsuhiro Shibayama
- Neutron Science Laboratory, Institute for Solid State Physics, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581, Japan
- Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society, 162-1 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan
| | - Tessei Yoshida
- Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society, 162-1 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan
| | - Noboru Miyata
- Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society, 162-1 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan
| | - Tsukasa Miyazaki
- Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society, 162-1 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan
| | - Hiroyuki Aoki
- Materials and Life Science Division, J-PARC Center, Japan Atomic Energy Agency, 2-4 Shirakata, Tokai, Ibaraki 319-1195, Japan
- Institute of Materials Structure Science, High Energy Accelerator Research Organization, 203-1 Shirakata, Tokai, Ibaraki 319-1106, Japan
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9
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Zhang N, Li Z, Xiao Y, Pan Z, Jia P, Feng G, Bao C, Zhou Y, Hua L. Lignin-based phenolic resin modified with whisker silicon and its application. JOURNAL OF BIORESOURCES AND BIOPRODUCTS 2020. [DOI: 10.1016/j.jobab.2020.03.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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10
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Izumi A, Kakara T, Otsuki MW, Shudo Y, Koganezawa T, Shibayama M. In situ residual stress analysis in a phenolic resin and copper composite material during curing. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121857] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Zhang N, Hu L, Guo Y, Bo C, Jia P, Zhang B, Zhou Y. Mechanical property of lignin-modified phenolic foam enhanced by whisker silicon. J DISPER SCI TECHNOL 2019. [DOI: 10.1080/01932691.2019.1578662] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Na Zhang
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forest (CAF), Nanjing, China
| | - Lihong Hu
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forest (CAF), Nanjing, China
| | - Yajun Guo
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forest (CAF), Nanjing, China
| | - Caiying Bo
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forest (CAF), Nanjing, China
| | - Puyou Jia
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forest (CAF), Nanjing, China
| | | | - Yonghong Zhou
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forest (CAF), Nanjing, China
- Research Institute of Forestry New Technology, Chinese Academy of Forestry, Beijing, China
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12
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Zhao W, Hsu SL, Ravichandran S, Bonner AM. Moisture Effects on the Physical Properties of Cross-linked Phenolic Resins. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00385] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Weiwei Zhao
- Polymer Science and Engineering, University of Massachusetts (Amherst), Amherst, Massachusetts 01003, United States
| | - Shaw Ling Hsu
- Polymer Science and Engineering, University of Massachusetts (Amherst), Amherst, Massachusetts 01003, United States
| | | | - Anne M. Bonner
- Saint-Gobain Research North America, 9 Goddard Road, Northborough, Massachusetts 01532, United States
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13
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Zhao J, Gilani MRHS, Lai J, Nsabimana A, Liu Z, Luque R, Xu G. Autocatalysis Synthesis of Poly(benzoxazine-co-resol)-Based Polymer and Carbon Spheres. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01239] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Jianming Zhao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People’s Republic of China
- University of
Chinese Academy of Sciences, Chinese Academy of Sciences, No. 19A Yuquanlu, Beijing 100049, People’s Republic of China
| | - Muhammad Rehan Hasan Shah Gilani
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People’s Republic of China
- Department of Chemistry, the Islamia University of Bahawalpur, Bahawalpur, Pakistan
- Department of Chemistry, Government College University Faisalabad, Layyah Campus, Pakistan
| | - Jianping Lai
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People’s Republic of China
- University of
Chinese Academy of Sciences, Chinese Academy of Sciences, No. 19A Yuquanlu, Beijing 100049, People’s Republic of China
| | - Anaclet Nsabimana
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People’s Republic of China
- University of
Chinese Academy of Sciences, Chinese Academy of Sciences, No. 19A Yuquanlu, Beijing 100049, People’s Republic of China
| | - Zhongyuan Liu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People’s Republic of China
| | - Rafael Luque
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People’s Republic of China
- Departamento de Química Orgánica, Universidad de Córdoba Campus de Rabanales, Edificio Marie Curie (C-3), Ctra Nnal IV, Km 396, Córdoba, E-14014, Spain
- People’s Friendship
University of Russia (RUDN University), 6 Miklukho-Maklaya str., 117198, Moscow, Russia
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People’s Republic of China
- University of
Science and Technology of China, Hefei, People’s Republic of China
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14
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Zhao J, Gilani MRHS, Liu Z, Luque R, Xu G. Facile surfactant-free synthesis of polybenzoxazine-based polymer and nitrogen-doped carbon nanospheres. Polym Chem 2018. [DOI: 10.1039/c8py00911b] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Facile surfactant-free synthesis of monodisperse polymer and nitrogen-doped carbon nanospheres with controllable sizes less than 200 nm based on the benzoxazine chemistry.
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Affiliation(s)
- Jianming Zhao
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- People's Republic of China
| | - Muhammad Rehan Hasan Shah Gilani
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- People's Republic of China
| | - Zhongyuan Liu
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- People's Republic of China
| | - Rafael Luque
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- People's Republic of China
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- People's Republic of China
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15
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Horadam W, Venkat N, Tran T, Bai L, Josyula K, Mehta V. Leaching studies on Novolac resin-coated proppants-performance, stability, product safety, and environmental health considerations. J Appl Polym Sci 2017. [DOI: 10.1002/app.45845] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- William Horadam
- Technology Center; Fairmount Santrol; Sugar Land Texas 77478
| | | | - Tuan Tran
- Technology Center; Fairmount Santrol; Sugar Land Texas 77478
| | - Litao Bai
- Technology Center; Fairmount Santrol; Sugar Land Texas 77478
| | - Kanth Josyula
- Technology Center; Fairmount Santrol; Sugar Land Texas 77478
| | - Vinay Mehta
- Technology Center; Fairmount Santrol; Sugar Land Texas 77478
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16
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Feng J, Li J, Chen L, Qin Y, Zhang X, Gu J, Tadakamalla S, Guo Z. Enhanced thermal stabilities and char yields of carbon fibers reinforced boron containing novolac phenolic resins composites. JOURNAL OF POLYMER RESEARCH 2017. [DOI: 10.1007/s10965-017-1338-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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17
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18
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19
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Merle J, Trinsoutrot P, Charrier-El Bouhtoury F. Optimization of the formulation for the synthesis of bio-based foams. Eur Polym J 2016. [DOI: 10.1016/j.eurpolymj.2016.09.044] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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20
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Patel JP, Deshmukh S, Zhao C, Wamuo O, Hsu SL, Schoch AB, Carleen SA, Matsumoto D. An analysis of the role of nonreactive plasticizers in the crosslinking reactions of a rigid resin. ACTA ACUST UNITED AC 2016. [DOI: 10.1002/polb.24261] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Jigneshkumar P. Patel
- Polymer Science and Engineering; University of Massachusetts (Amherst); Amherst 01003 Massachusetts
| | - Subrajeet Deshmukh
- Polymer Science and Engineering; University of Massachusetts (Amherst); Amherst 01003 Massachusetts
| | - Caixia Zhao
- Polymer Science and Engineering; University of Massachusetts (Amherst); Amherst 01003 Massachusetts
| | - Onyenkachi Wamuo
- Polymer Science and Engineering; University of Massachusetts (Amherst); Amherst 01003 Massachusetts
| | - Shaw Ling Hsu
- Polymer Science and Engineering; University of Massachusetts (Amherst); Amherst 01003 Massachusetts
| | - Andrew B. Schoch
- Saint-Gobain Research & Development; 9 Goddard Road Northborough 01532 Massachusetts
| | - Sena Ada Carleen
- Saint-Gobain Research & Development; 9 Goddard Road Northborough 01532 Massachusetts
| | - Dean Matsumoto
- Saint-Gobain Research & Development; 9 Goddard Road Northborough 01532 Massachusetts
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21
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Cheng H, Hong C, Zhang X, Xue H, Meng S, Han J. Super flame-retardant lightweight rime-like carbon-phenolic nanofoam. Sci Rep 2016; 6:33480. [PMID: 27629114 PMCID: PMC5024163 DOI: 10.1038/srep33480] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 08/23/2016] [Indexed: 11/22/2022] Open
Abstract
The desire for lightweight nanoporous materials with high-performance thermal insulation and efficient anti-ablation resistance for energy conservation and thermal protection/insulation has greatly motivated research and development recently. The main challenge to synthesize such lightweight materials is how to balance the relationship of low thermal conductivity and flame retardancy. Herein, we propose a new concept of lightweight “rime-like” structured carbon-phenolic nanocomposites to solve this problem, where the 3D chopped network-structured carbon fiber (NCF) monoliths are incorporated with nanoporous phenolic aerogel to retain structural and functional integrity. The nanometer-scaled porous phenolic (NP) was synthesized through polymerization-induced phase separation and ambient pressure drying using phenolic resin (PR) solution as reaction source, ethylene glycol (EG) as solvent and hexamethylenetetramine (HMTA) as catalyst. We demonstrate that the as-prepared NCF-NP nanocomposite exhibits with a low density of 0.25–0.35 g/cm3, low thermal conductivity of 0.125 Wm−1K−1 and outstanding flame retardancy exceeding 2000 °C under arc-jet wind tunnel simulation environment. Our results show that the synthesis strategy is a promising approach for producing nanocomposites with excellent high-temperature heat blocking property.
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Affiliation(s)
- Haiming Cheng
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150001, P.R. China
| | - Changqing Hong
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150001, P.R. China
| | - Xinghong Zhang
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150001, P.R. China
| | - Huafei Xue
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150001, P.R. China
| | - Songhe Meng
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150001, P.R. China
| | - Jiecai Han
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150001, P.R. China
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22
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Jiang H, Wang R, Farhan S, Wang M, Zheng S. Optimization and preparation of an allyl phenoxy-modified bismaleimide resin. HIGH PERFORM POLYM 2016. [DOI: 10.1177/0954008315593618] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A thermosetting resin system has been developed by the copolymerization of allyl phenoxy, bismaleimide (BMI), and diallyl bisphenol A and optimized using response surface methodology. An optimized modified resin system with enhanced properties was achieved based on empirical second-order models expressing the relationship between the modifier contents and the mechanical properties. Dicumyl peroxide (DCP) was selected as initiator to further improve the curing behavior and mechanical properties of the optimized resin system. The effect of initiator contents on impact, flexural strength, and heat distortion temperature was also investigated. The curing behavior, morphology, and thermal stability of the optimized resin were carefully characterized using differential scanning calorimeter, scanning electron microscope, and thermogravimetric and dynamic mechanical analyzers, respectively. For evaluating the efficiency of modified BMI resin system, laminated composites using glass fiber cloth were fabricated using a hot press and tested for mechanical properties. The results showed that the DCP reduced the curing temperature significantly, improved the curing process, and proved to be very effective in heat resistance. Meanwhile, the laminated composite with initiator showed 13–27% higher mechanical properties and 5–7% higher retention rate at high temperature when compared with the neat resin composite system. The optimized resin system with higher mechanical properties, good heat resistance, and better manufacturability can be used as matrix resin for making advanced fiber-reinforced composites.
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Affiliation(s)
- Hao Jiang
- Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi’an, People’s Republic of China
| | - Rumin Wang
- Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi’an, People’s Republic of China
| | - Shameel Farhan
- Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi’an, People’s Republic of China
| | - Min Wang
- Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi’an, People’s Republic of China
| | - Shuirong Zheng
- Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi’an, People’s Republic of China
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23
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Zhang S, So LLC, Faucher S, Xi L. Polymer Coating over Solid Particles with In Situ Thermal Curing. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b00376] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shimiao Zhang
- Department
of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
| | | | | | - Li Xi
- Department
of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
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24
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Yun J, Chen L, Zhang X, Feng J, Liu L. The Effect of Introducing B and N on Pyrolysis Process of High Ortho Novolac Resin. Polymers (Basel) 2016; 8:polym8030035. [PMID: 30979155 PMCID: PMC6432559 DOI: 10.3390/polym8030035] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 01/17/2016] [Accepted: 01/22/2016] [Indexed: 12/28/2022] Open
Abstract
In this contribution, high ortho novolac resins modified with phenylboronic acid were synthesized. The thermal stability of novolac resins cured with hexamethylenetetramine (HMTA) and chemical states of B and N via a pyrolysis process were studied. For the cured o-novolac modified with phenylboronic acid, the temperature with maximum decomposition rate increased by 43.5 °C, and the char yield increased by 5.3% at 800 °C compared with cured o-novolac. Density functional theory (DFT) calculations show the existence of hydrogen bonding between N of HMTA and H of phenol in modified resin. Thus, N could still be found at high temperature and C=N structure could be formed via a pyrolysis process. B2O3 was obtained at 400 °C by the cleavage of B–O–C and B–C bonds and it reduces the oxygen loss which may take part in the formation of carbon oxides in the system. The melting B2O3 on the surface of the resin will prevent small molecules and carbon oxides from releasing. Moreover, introducing B into the system helps to decrease the interlayer distance and improve graphite structures via a pyrolysis process.
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Affiliation(s)
- Jin Yun
- Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi'an 710072, China.
| | - Lixin Chen
- Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi'an 710072, China.
| | - Xiaofei Zhang
- Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi'an 710072, China.
| | - Junjun Feng
- Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi'an 710072, China.
| | - Linlin Liu
- Science and Technology on Combustion, Internal Flow and Thermal-Structure Laboratory, School of Astronautics, Northwestern Polytechnical University, Xi'an 710072, China.
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25
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Periyasamy T, Asrafali SP, Muthusamy S, Kim SC. Replacing bisphenol-A with bisguaiacol-F to synthesize polybenzoxazines for a pollution-free environment. NEW J CHEM 2016. [DOI: 10.1039/c6nj02242a] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bio-based polybenzoxazines from BGF were prepared by a solventless method as an alternative to poly(BA-a) showing enhanced thermal, mechanical and dielectric properties.
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Affiliation(s)
| | | | | | - Seong-Cheol Kim
- School of Chemical Engineering
- Yeungnam University
- South Korea
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26
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Jiang H, Wang R, Farhan S, Zheng S. Improved thermosets obtained from diglycidyl ether of bisphenol A/4,4′-diaminodiphenylsulfone based on a new epoxy-terminated hyperbranched polymer. POLYM INT 2015. [DOI: 10.1002/pi.4982] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hao Jiang
- Department of Applied Chemistry, School of Science; Northwestern Polytechnical University; Xi'an 710072 PR China
| | - Rumin Wang
- Department of Applied Chemistry, School of Science; Northwestern Polytechnical University; Xi'an 710072 PR China
| | - Shameel Farhan
- Department of Applied Chemistry, School of Science; Northwestern Polytechnical University; Xi'an 710072 PR China
| | - Shuirong Zheng
- Department of Applied Chemistry, School of Science; Northwestern Polytechnical University; Xi'an 710072 PR China
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27
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Patel JP, Xiang ZG, Hsu SL, Schoch AB, Carleen SA, Matsumoto D. Path to achieving molecular dispersion in a dense reactive mixture. ACTA ACUST UNITED AC 2015. [DOI: 10.1002/polb.23789] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jigneshkumar P. Patel
- Polymer Science and Engineering; University of Massachusetts (Amherst); Amherst Massachusetts 01003
| | - Zou Guo Xiang
- Polymer Science and Engineering; University of Massachusetts (Amherst); Amherst Massachusetts 01003
| | - Shaw Ling Hsu
- Polymer Science and Engineering; University of Massachusetts (Amherst); Amherst Massachusetts 01003
| | - Andrew B. Schoch
- Saint-Gobain Research and Development; 9 Goddard Road Northborough Massachusetts 01532
| | - Sena Ada Carleen
- Saint-Gobain Research and Development; 9 Goddard Road Northborough Massachusetts 01532
| | - Dean Matsumoto
- Saint-Gobain Research and Development; 9 Goddard Road Northborough Massachusetts 01532
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28
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Shudo Y, Izumi A, Takeuchi T, Nakao T, Shibayama M. Dynamic light scattering study of the curing mechanisms of novolac-type phenolic resins. Polym J 2015. [DOI: 10.1038/pj.2015.15] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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29
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Zhang B, Zhao D, Wu Y, Liu H, Wang T, Qiu J. Fabrication and Application of Catalytic Carbon Membranes for Hydrogen Production from Methanol Steam Reforming. Ind Eng Chem Res 2015. [DOI: 10.1021/ie503094r] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bing Zhang
- School
of Petrochemical Engineering, Shenyang University of Technology, 30 Guanghua
Street, Liaoyang 111003, China
- Carbon
Research Laboratory, Liaoning Key Lab for Energy Materials and Chemical
Engineering, State Key Lab of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China
| | - Dandan Zhao
- School
of Petrochemical Engineering, Shenyang University of Technology, 30 Guanghua
Street, Liaoyang 111003, China
| | - Yonghong Wu
- School
of Petrochemical Engineering, Shenyang University of Technology, 30 Guanghua
Street, Liaoyang 111003, China
| | - Hongjing Liu
- School
of Petrochemical Engineering, Shenyang University of Technology, 30 Guanghua
Street, Liaoyang 111003, China
| | - Tonghua Wang
- Carbon
Research Laboratory, Liaoning Key Lab for Energy Materials and Chemical
Engineering, State Key Lab of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China
| | - Jieshan Qiu
- Carbon
Research Laboratory, Liaoning Key Lab for Energy Materials and Chemical
Engineering, State Key Lab of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China
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30
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Parveen AS, Thirukumaran P, Sarojadevi M. Fabrication of highly durable hydrophobic PBZ/SiO2 surfaces. RSC Adv 2015. [DOI: 10.1039/c5ra06413a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
PBZ/Si nanohybrids possessing both hydrophobic character and good thermo-mechanical properties have been prepared and discussed in this paper. H-bonding interactions play an important role in enhancing the properties of PBZ/Si hybrids.
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31
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Zhang L, Zhu Y, Li D, Wang M, Chen H, Wu J. Preparation and characterization of fully renewable polybenzoxazines from monomers containing multi-oxazine rings. RSC Adv 2015. [DOI: 10.1039/c5ra17164d] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Fully renewable polybenzoxazines prepared from monomers with multi-oxazine rings shows reversible pH responsiveness, good thermal and mechanical performance.
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Affiliation(s)
- Lei Zhang
- Department of Mechanical and Aerospace Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
| | - Yejun Zhu
- Department of Mechanical and Aerospace Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
| | - Dan Li
- Center for Engineering Materials and Reliability
- Fok Ying Tung Research Institute
- The Hong Kong University of Science and Technology
- China
| | - Min Wang
- Center for Engineering Materials and Reliability
- Fok Ying Tung Research Institute
- The Hong Kong University of Science and Technology
- China
| | - Haibin Chen
- Department of Mechanical and Aerospace Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
- Center for Engineering Materials and Reliability
| | - Jingshen Wu
- Department of Mechanical and Aerospace Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
- Center for Engineering Materials and Reliability
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32
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Periyasamy T, Asrafali SP, Muthusamy S. New benzoxazines containing polyhedral oligomeric silsesquioxane from eugenol, guaiacol and vanillin. NEW J CHEM 2015. [DOI: 10.1039/c4nj02047b] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this article we have selected renewable raw materials such as eugenol, guaiacol and vanillin as bio-phenols, which react with octaamine functionalized POSS and paraformaldehyde to synthesize fully renewable POSS–polybenzoxazine nanocomposites for use in microelectronic packaging applications.
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33
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Wang Y, Wang S, Bian C, Zhong Y, Jing X. Effect of chemical structure and cross-link density on the heat resistance of phenolic resin. Polym Degrad Stab 2015. [DOI: 10.1016/j.polymdegradstab.2014.11.016] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Zhang Y, Chen M, Yuan Z, Xu C(C. Kinetics and Mechanism of Formaldehyde-Free Phenol-Glucose Novolac Resin Cured with an Epoxy. INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING 2014. [DOI: 10.1515/ijcre-2013-0131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Formaldehyde used in manufacture and curing of phenol formaldehyde (PF) resins is a big challenge for the PF industry with respect to sustainability and human health. Glucose has grand potential to replace formaldehyde in synthesis of bio-based phenolic novolac resins curable with hexamethylenetetramine (HMTA, derived from formaldehyde), an obstacle to achieve formaldehyde-free curing. This study reports the curing of phenol-glucose novolac resin with a bis-phenol-A type epoxy without using HMTA. The curing process was investigated by using dynamic differential scanning calorimetry measurements at different heating rates. Apparent activation energy of the curing reaction is 109.6 kJ/mol. Sestak–Berggren equation model was determined to be the reaction model according to Málek methods. The model-predicted reaction rates showed a good agreement with the experimental results. The results showed that the curing process was complicated; the kinetics expression was shown to be first-order autocatalytic reaction.
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35
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Thirukumaran P, Shakila A, Muthusamy S. Synthesis and characterization of novel bio-based benzoxazines from eugenol. RSC Adv 2014. [DOI: 10.1039/c3ra46582a] [Citation(s) in RCA: 124] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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36
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Zhang B, Shi Y, Wu Y, Wang T, Qiu J. Preparation and characterization of supported ordered nanoporous carbon membranes for gas separation. J Appl Polym Sci 2013. [DOI: 10.1002/app.39925] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Bing Zhang
- School of Petrochemical Engineering; Shenyang University of Technology; Liaoyang 111003 China
- School of Chemical Egineering, Carbon Research Laboratory, State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian 116024 China
| | - Yi Shi
- School of Petrochemical Engineering; Shenyang University of Technology; Liaoyang 111003 China
| | - Yonghong Wu
- School of Petrochemical Engineering; Shenyang University of Technology; Liaoyang 111003 China
| | - Tonghua Wang
- School of Chemical Egineering, Carbon Research Laboratory, State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian 116024 China
| | - Jieshan Qiu
- School of Chemical Egineering, Carbon Research Laboratory, State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian 116024 China
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37
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Zhao Y, Zhang B, Yan N, Farnood RR. Synthesis and Characterization of Phenol Formaldehyde Novolac Resin Derived from Liquefied Mountain Pine Beetle Infested Lodgepole Pine Barks. MACROMOL REACT ENG 2013. [DOI: 10.1002/mren.201300112] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yong Zhao
- Faculty of Forestry; University of Toronto; 33 Willcocks Street Toronto ON, Canada, M5S 3B3
| | - Boya Zhang
- Department of Chemical Engineering and Applied Chemistry; University of Toronto; 200 College Street Toronto ON, Canada, M5S 3E5
| | - Ning Yan
- Faculty of Forestry; University of Toronto; 33 Willcocks Street Toronto ON, Canada, M5S 3B3
| | - Ramin. R. Farnood
- Department of Chemical Engineering and Applied Chemistry; University of Toronto; 200 College Street Toronto ON, Canada, M5S 3E5
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38
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Janković B. Thermal characterization and detailed kinetic analysis of Cassava starch thermo-oxidative degradation. Carbohydr Polym 2013; 95:621-9. [DOI: 10.1016/j.carbpol.2013.03.038] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2012] [Revised: 03/07/2013] [Accepted: 03/09/2013] [Indexed: 10/27/2022]
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39
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Li GY, Hse CY, Qin TF. Preparation and characterization of novolak phenol formaldehyde resin from liquefied brown-rotted wood. J Appl Polym Sci 2012. [DOI: 10.1002/app.36476] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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40
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41
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Rheokinetic investigations on the thermal cure of phenol-formaldehyde novolac resins. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2010. [DOI: 10.1016/j.msec.2010.07.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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42
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Wang M, Yang M, Zhao T, Pei J. Acetylene-grafted resins derived from phenolics via azo coupling reaction. Eur Polym J 2008. [DOI: 10.1016/j.eurpolymj.2008.01.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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43
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Woo EM, Huang Y, Chang LL, Kao H, Wu R, Su C. Model Compound Study on Network‐Forming Reactions Between Poly(4‐Vinyl Phenol) and an Epoxy. J MACROMOL SCI B 2007. [DOI: 10.1081/mb-120029775] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- E. M. Woo
- a Department of Chemical Engineering , National Cheng Kung University , Tainan , 701‐01 , Taiwan, R.O.C
| | - Yin‐Ping Huang
- a Department of Chemical Engineering , National Cheng Kung University , Tainan , 701‐01 , Taiwan, R.O.C
| | - Li Ling Chang
- a Department of Chemical Engineering , National Cheng Kung University , Tainan , 701‐01 , Taiwan, R.O.C
| | - Hsien‐Ming Kao
- b Department of Chemistry , National Central University , Chung‐Li , Taiwan, R.O.C
| | - Ru‐Rong Wu
- c Regional Instrument Center , National Science Council , Tainan , Taiwan, R.O.C
| | - Chean‐Cheng Su
- d Department of Applied Fiber Style , Kun Shan University of Technology , Yung‐Kang City , Taiwan, R.O.C
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44
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Cui L, Wang S, Zhang Y, Zhang Y. Dynamically cured polypropylene/Novolac blends compatibilized with maleic anhydride-g-polypropylene. J Appl Polym Sci 2007. [DOI: 10.1002/app.25894] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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45
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Peña C, Martin MD, Tejado A, Labidi J, Echeverria JM, Mondragon I. Curing of phenolic resins modified with chestnut tannin extract. J Appl Polym Sci 2006. [DOI: 10.1002/app.23769] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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46
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Martín C, Ronda JC, Cádiz V. Development of novel flame-retardant thermosets based on boron-modified phenol–formaldehyde resins. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/pola.21458] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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47
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Pajak J, Labojko G, Lachowski A. Activated Carbons from Crosslinked Novolac Resin. ADSORPT SCI TECHNOL 2005. [DOI: 10.1260/026361705774355441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Activated carbons were prepared from well-characterized Novolac resin cured with various amounts of hexamethylenetetramine (HMTA). The process consisted of curing the resin with HMTA at 200°C, carbonization in nitrogen at 600°C and gasifying the char in carbon dioxide or in steam at 900°C. The influence of the amount of HMTA used for curing on the yield and the characteristics of the activated carbon was investigated. The pore volume attained a maximum for Novolac initially cured with ca. 2 wt% HMTA. Further increase in the amount of HMTA used for curing resulted in an increase in the yield of active carbon, but the susceptibility to carbon dioxide activation decreased. Relative to carbon dioxide, the use of steam generated a narrower, but more extensive, microporosity in the char obtained from cured Novolac resin.
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Affiliation(s)
- Janusz Pajak
- Institute of Coal Chemistry, Polish Academy of Sciences, Sowinskiego 5, 44-121 Gliwice, Poland
- Institute of Mathematics, Physics and Chemistry, Opole University of Technology, Luboszycka 5, 45-036 Opole, Poland
| | - Grzegorz Labojko
- Institute of Coal Chemistry, Polish Academy of Sciences, Sowinskiego 5, 44-121 Gliwice, Poland
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, 44-100 Gliwice, Poland
| | - Andrzej Lachowski
- Institute of Chemical Engineering, Polish Academy of Sciences, Baltycka 5, 44-100 Gliwice, Poland
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48
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Wells LJ, Spinks GM, Nightingale SA. The effect of storage temperatures below 100°C on the viscosity of a novolak resin propylene glycol solution. J Appl Polym Sci 2004. [DOI: 10.1002/app.20894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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49
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Lefort R, De Gusseme A, Willart JF, Danède F, Descamps M. Solid state NMR and DSC methods for quantifying the amorphous content in solid dosage forms: an application to ball-milling of trehalose. Int J Pharm 2004; 280:209-19. [PMID: 15265560 DOI: 10.1016/j.ijpharm.2004.05.012] [Citation(s) in RCA: 92] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2004] [Revised: 05/20/2004] [Accepted: 05/21/2004] [Indexed: 11/26/2022]
Abstract
The purpose of this study was to determine quantitatively the amorphous fraction in crystalline-amorphous powder mixtures of trehalose, in order to assess the ability of the (13)C NMR technique for quantitative amorphous characterization. The NMR method is described in detail and its accuracy is compared to that of the DSC technique. Amorphous trehalose was prepared by mechanical milling. Samples with different amorphous fractions were prepared by physical mixing of purely amorphous and purely crystalline powders. The results reveal a close correlation between the imposed compositions of the physical mixtures and those determined by NMR and DSC, indicating that both are useful and accurate methods for compositional characterization of powders. The NMR method is then used to determine the evolution of the amorphous fraction in a trehalose powder, during a milling procedure which ultimately leads to a fully amorphous state.
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Affiliation(s)
- R Lefort
- Laboratoire de Dynamique et Structure des Matériaux Moléculaires, CNRS UMR 8024, Université de Lille 1, F-59655 Villeneuve d'Ascq Cedex, France.
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De Medeiros ES, Agnelli JAM, Joseph K, De Carvalho LH, Mattoso LHC. Curing behavior of a novolac-type phenolic resin analyzed by differential scanning calorimetry. J Appl Polym Sci 2003. [DOI: 10.1002/app.12838] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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