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Zheng L, Xie Q, Hu G, Wang B, Song D, Zhang Y, Liu Y. Synthesis, Structure and Properties of Polyester Polyureas via a Non-Isocyanate Route with Good Combined Properties. Polymers (Basel) 2024; 16:993. [PMID: 38611251 PMCID: PMC11014397 DOI: 10.3390/polym16070993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
Polyureas have been widely applied in many fields, such as coatings, fibers, foams and dielectric materials. Traditionally, polyureas are prepared from isocyanates, which are highly toxic and harmful to humans and the environment. Synthesis of polyureas via non-isocyanate routes is green, environmentally friendly and sustainable. However, the application of non-isocyanate polyureas is quite restrained due to their brittleness as the result of the lack of a soft segment in their molecular blocks. To address this issue, we have prepared polyester polyureas via an isocyanate-free route and introduced polyester-based soft segments to improve their toughness and endow high impact resistance to the polyureas. In this paper, the soft segments of polyureas were synthesized by the esterification and polycondensation of dodecanedioic acid and 1,4-butanediol. Hard segments of polyureas were synthesized by melt polycondensation of urea and 1,10-diaminodecane without a catalyst or high pressure. A series of polyester polyureas were synthesized by the polycondensation of the soft and hard segments. These synthesized polyester-type polyureas exhibit excellent mechanical and thermal properties. Therefore, they have high potential to substitute traditional polyureas.
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Affiliation(s)
- Liuchun Zheng
- School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830017, China
- School of Chemical Engineering and Technology, State Key Laboratory of Separation Membranes and Membrane Processes, Education Ministry Key Laboratory of Hollow Fiber Membrane Materials and Membrane Processes, Tiangong University, Tianjin 300387, China
- Cangzhou Insititute of Tiangong University, Cangzhou 061000, China
| | - Qiqi Xie
- School of Chemical Engineering and Technology, State Key Laboratory of Separation Membranes and Membrane Processes, Education Ministry Key Laboratory of Hollow Fiber Membrane Materials and Membrane Processes, Tiangong University, Tianjin 300387, China
| | - Guangjun Hu
- Shenghong Advanced Materials Research Institute, Shanghai 201403, China
| | - Bing Wang
- School of Chemical Engineering and Technology, State Key Laboratory of Separation Membranes and Membrane Processes, Education Ministry Key Laboratory of Hollow Fiber Membrane Materials and Membrane Processes, Tiangong University, Tianjin 300387, China
| | - Danqing Song
- School of Chemical Engineering and Technology, State Key Laboratory of Separation Membranes and Membrane Processes, Education Ministry Key Laboratory of Hollow Fiber Membrane Materials and Membrane Processes, Tiangong University, Tianjin 300387, China
| | - Yunchuan Zhang
- School of Chemical Engineering and Technology, State Key Laboratory of Separation Membranes and Membrane Processes, Education Ministry Key Laboratory of Hollow Fiber Membrane Materials and Membrane Processes, Tiangong University, Tianjin 300387, China
| | - Yi Liu
- School of Chemical Engineering and Technology, State Key Laboratory of Separation Membranes and Membrane Processes, Education Ministry Key Laboratory of Hollow Fiber Membrane Materials and Membrane Processes, Tiangong University, Tianjin 300387, China
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Hayes G, Laurel M, MacKinnon D, Zhao T, Houck HA, Becer CR. Polymers without Petrochemicals: Sustainable Routes to Conventional Monomers. Chem Rev 2023; 123:2609-2734. [PMID: 36227737 PMCID: PMC9999446 DOI: 10.1021/acs.chemrev.2c00354] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Indexed: 11/28/2022]
Abstract
Access to a wide range of plastic materials has been rationalized by the increased demand from growing populations and the development of high-throughput production systems. Plastic materials at low costs with reliable properties have been utilized in many everyday products. Multibillion-dollar companies are established around these plastic materials, and each polymer takes years to optimize, secure intellectual property, comply with the regulatory bodies such as the Registration, Evaluation, Authorisation and Restriction of Chemicals and the Environmental Protection Agency and develop consumer confidence. Therefore, developing a fully sustainable new plastic material with even a slightly different chemical structure is a costly and long process. Hence, the production of the common plastic materials with exactly the same chemical structures that does not require any new registration processes better reflects the reality of how to address the critical future of sustainable plastics. In this review, we have highlighted the very recent examples on the synthesis of common monomers using chemicals from sustainable feedstocks that can be used as a like-for-like substitute to prepare conventional petrochemical-free thermoplastics.
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Affiliation(s)
- Graham Hayes
- Department
of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Matthew Laurel
- Department
of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Dan MacKinnon
- Department
of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Tieshuai Zhao
- Department
of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Hannes A. Houck
- Department
of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
- Institute
of Advanced Study, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - C. Remzi Becer
- Department
of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
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3
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Kumari S, Avais M, Chattopadhyay S. High molecular weight multifunctional fluorescent polyurea: Isocyanate-free fast synthesis, coating applications and photoluminescence studies. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125219] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Li H, Cheng H, Zhao F. A Review on CO
2
‐Based Polyureas and Polyurea Hybrids. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hui Li
- State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China
- School of Applied Chemistry and Engineering University of Science and Technology of China Hefei 230026 P. R. China
- Jilin Province Key Laboratory of Green Chemistry and Process Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China
| | - Haiyang Cheng
- State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China
- Jilin Province Key Laboratory of Green Chemistry and Process Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China
| | - Fengyu Zhao
- State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China
- School of Applied Chemistry and Engineering University of Science and Technology of China Hefei 230026 P. R. China
- Jilin Province Key Laboratory of Green Chemistry and Process Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China
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Owen AE, Preiss A, McLuskie A, Gao C, Peters G, Bühl M, Kumar A. Manganese-Catalyzed Dehydrogenative Synthesis of Urea Derivatives and Polyureas. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Annika Preiss
- School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY169ST, U.K
| | - Angus McLuskie
- School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY169ST, U.K
| | - Chang Gao
- School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY169ST, U.K
| | - Gavin Peters
- School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY169ST, U.K
| | - Michael Bühl
- School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY169ST, U.K
| | - Amit Kumar
- School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY169ST, U.K
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Quaranta E, Dibenedetto A, Nocito F, Fini P. Chemical recycling of poly-(bisphenol A carbonate) by diaminolysis: A new carbon-saving synthetic entry into non-isocyanate polyureas (NIPUreas). JOURNAL OF HAZARDOUS MATERIALS 2021; 403:123957. [PMID: 33265001 DOI: 10.1016/j.jhazmat.2020.123957] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/08/2020] [Accepted: 09/10/2020] [Indexed: 06/12/2023]
Abstract
The present study describes an unprecedented approach to valorize potentially hazardous poly-(bisphenol A carbonate) (PC) wastes. In THF, under non-severe conditions (120 °C), the reaction of PC with long-chain diamines H2NRNH2 (2 equivalents) provided a tool to regenerate the monomer bisphenol A (BPA; 83-95%, isolated) and repurpose waste PC into [-NHRNHCO-]n polyureas (PUs; 78-99%, isolated) through a non-isocyanate route. Basic diamines (1,6-diaminohexane, 4,7,10-trioxa-1,13-tridecanediamine, meta-xylylenediamine, para-xylylenediamine) reacted with PC without any auxiliary catalyst; less reactive aromatic diamines (4,4'-diaminodiphenylmethane, 2,4-diaminotoluene) required the assistance of a base catalyst (1,8-diazabicyclo[5.4.0]undec-7-ene, NaOH). The formation of [-NHRNHCO-]n goes through a carbamation step affording BPA and carbamate intermediates H[-OArOC(O)NHRNHC(O)-]nOArOH (Ar=4,4'-C6H4C(Me)2C6H4-) that, in a subsequent step, convert into [-NHRNHCO-]n and more BPA. All the PUs were characterized in the solid state by CP/MAS 13C NMR (δ(CO) = 152-161 ppm) and IR spectroscopy. The positions of ν(N-H) and ν(CO) absorptions are typical of "hydrogen-bonded ordered" bands suggesting the presence of H-bonded groups in network structures characterized by some degree of order or regularity. DSC and TGA analyses showed that the PUs are thermally stable (Td,5%: 212-270 °C) and suitable for being processed since their degradation begins at temperatures about 100 °C higher than their Tg or Tm.
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Affiliation(s)
- Eugenio Quaranta
- Università degli Studi di Bari "Aldo Moro", Dipartimento di Chimica, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy; Consorzio Interuniversitario "Reattività e Catalisi", via Celso Ulpiani, 27, 70126 Bari, Italy.
| | - Angela Dibenedetto
- Università degli Studi di Bari "Aldo Moro", Dipartimento di Chimica, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy; Consorzio Interuniversitario "Reattività e Catalisi", via Celso Ulpiani, 27, 70126 Bari, Italy
| | - Francesco Nocito
- Università degli Studi di Bari "Aldo Moro", Dipartimento di Chimica, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy
| | - Paola Fini
- Istituto per i Processi Chimico Fisici (IPCF-CNR) c/o Dipartimento di Chimica, Via Orabona, 4, 70126 Bari, Italy
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Jiang S, Cheng HY, Shi RH, Wu PX, Lin WW, Zhang C, Arai M, Zhao FY. Direct Synthesis of Polyurea Thermoplastics from CO 2 and Diamines. ACS APPLIED MATERIALS & INTERFACES 2019; 11:47413-47421. [PMID: 31769959 DOI: 10.1021/acsami.9b17677] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The transformation of CO2 into polymeric materials is an important and hot research topic from the viewpoint of renewable resources and environmental effects. Herein, a series of polyureas have been synthesized by polycondensation from CO2 with diamines of 1,12-diaminododecane (DAD) and/or 4,7,10-trioxa-1,13-tridecanediamine (TTD). The properties of polyureas synthesized were characterized by FTIR, 1H NMR, 13C NMR, XRD, DSC, TGA, and DMA. The polyureas synthesized from CO2 with a mixture of diamines presented high performances compared to those of polyureas synthesized from CO2 with a single diamine. The thermal and mechanical properties were improved largely by the variation in the crystallization and the chain flexibility depending on the changes in the density and/or intensity of hydrogen bonds. With increasing amounts of TTD from 0 to 100% in weight, the melting (Tm), crystallization (Tc), and glass transition (Tg) temperatures decreased from 207 to 116 °C, from 181 to 54 °C, and from 66 to -34 °C, respectively. When the TTD content was increased from 0 to 50 wt %, the Young's modulus decreased from 1170 to 406 MPa, and the tensile strength decreased from 53.3 to 42.9 MPa. However, the elongation at break increased from 13 to 330%. Furthermore, the chain length of aliphatic diamines and polyetheramines had a significant effect on the mechanical properties. The initial decomposition temperature (Td,5%) is >295 °C, about 110 °C higher than the Tm (116-207 °C), which is advantageous for the postprocessing. The mechanical properties of the polyureas synthesized herein are superior to those of polycarbonate and polyamide 6. Thus, polyureas synthesized from the renewable and cheap resources, CO2 and diamines, will find wide potential applications in the field of polymeric materials.
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Affiliation(s)
- Shan Jiang
- State Key Laboratory of Electroanalytical Chemistry , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
- Jilin Province Key Laboratory of Green Chemistry and Process , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
| | - Hai-Yang Cheng
- State Key Laboratory of Electroanalytical Chemistry , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
- Jilin Province Key Laboratory of Green Chemistry and Process , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
| | - Ru-Hui Shi
- State Key Laboratory of Electroanalytical Chemistry , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
- Jilin Province Key Laboratory of Green Chemistry and Process , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
| | - Pei-Xuan Wu
- State Key Laboratory of Electroanalytical Chemistry , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
- Jilin Province Key Laboratory of Green Chemistry and Process , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
| | - Wei-Wei Lin
- State Key Laboratory of Electroanalytical Chemistry , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
- Jilin Province Key Laboratory of Green Chemistry and Process , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
| | - Chao Zhang
- State Key Laboratory of Electroanalytical Chemistry , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
- Jilin Province Key Laboratory of Green Chemistry and Process , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
| | - Masahiko Arai
- State Key Laboratory of Electroanalytical Chemistry , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
- Jilin Province Key Laboratory of Green Chemistry and Process , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
| | - Feng-Yu Zhao
- State Key Laboratory of Electroanalytical Chemistry , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
- Jilin Province Key Laboratory of Green Chemistry and Process , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , PR China
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8
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Grignard B, Gennen S, Jérôme C, Kleij AW, Detrembleur C. Advances in the use of CO 2 as a renewable feedstock for the synthesis of polymers. Chem Soc Rev 2019; 48:4466-4514. [PMID: 31276137 DOI: 10.1039/c9cs00047j] [Citation(s) in RCA: 254] [Impact Index Per Article: 50.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Carbon dioxide offers an accessible, cheap and renewable carbon feedstock for synthesis. Current interest in the area of carbon dioxide valorisation aims at new, emerging technologies that are able to provide new opportunities to turn a waste into value. Polymers are among the most widely produced chemicals in the world greatly affecting the quality of life. However, there are growing concerns about the lack of reuse of the majority of the consumer plastics and their after-life disposal resulting in an increasing demand for sustainable alternatives. New monomers and polymers that can address these issues are therefore warranted, and merging polymer synthesis with the recycling of carbon dioxide offers a tangible route to transition towards a circular economy. Here, an overview of the most relevant and recent approaches to CO2-based monomers and polymers are highlighted with particular emphasis on the transformation routes used and their involved manifolds.
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Affiliation(s)
- Bruno Grignard
- Department of Chemistry, Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman, B6A, 4000 Liège, Belgium.
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Wu PX, Cheng HY, Shi RH, Jiang S, Wu QF, Zhang C, Arai M, Zhao FY. Synthesis of Polyurea via the Addition of Carbon Dioxide to a Diamine Catalyzed by Organic and Inorganic Bases. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801134] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Pei-Xuan Wu
- State Key Laboratory of Electroanalytical Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- University of Science and Technology of China, Hefei; Anhui 230026 People's Republic of China
- Jilin Province Key Laboratory of Green Chemistry and Process; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Hai-Yang Cheng
- State Key Laboratory of Electroanalytical Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- Jilin Province Key Laboratory of Green Chemistry and Process; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Ru-Hui Shi
- State Key Laboratory of Electroanalytical Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- University of Science and Technology of China, Hefei; Anhui 230026 People's Republic of China
- Jilin Province Key Laboratory of Green Chemistry and Process; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Shan Jiang
- State Key Laboratory of Electroanalytical Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- Jilin Province Key Laboratory of Green Chemistry and Process; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Qi-Fan Wu
- State Key Laboratory of Electroanalytical Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- University of Science and Technology of China, Hefei; Anhui 230026 People's Republic of China
- Jilin Province Key Laboratory of Green Chemistry and Process; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Chao Zhang
- State Key Laboratory of Electroanalytical Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- Jilin Province Key Laboratory of Green Chemistry and Process; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Masahiko Arai
- State Key Laboratory of Electroanalytical Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- Jilin Province Key Laboratory of Green Chemistry and Process; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Feng-Yu Zhao
- State Key Laboratory of Electroanalytical Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- Jilin Province Key Laboratory of Green Chemistry and Process; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 People's Republic of China
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Wang P, Fei Y, Deng Y. Transformation of CO2 into polyureas with 3-amino-1,2,4-triazole potassium as a solid base catalyst. NEW J CHEM 2018. [DOI: 10.1039/c7nj04197g] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of polyureas from CO2 and diamines with KATriz as the catalyst.
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Affiliation(s)
- Peixue Wang
- Centre for Green Chemistry and Catalysis
- State Key Laboratory for Oxo Synthesis and Selective Oxidation and State Key Laboratory for Solid Luburication
- Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences
- Lanzhou
- China
| | - Yuqing Fei
- Centre for Green Chemistry and Catalysis
- State Key Laboratory for Oxo Synthesis and Selective Oxidation and State Key Laboratory for Solid Luburication
- Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences
- Lanzhou
- China
| | - Youquan Deng
- Centre for Green Chemistry and Catalysis
- State Key Laboratory for Oxo Synthesis and Selective Oxidation and State Key Laboratory for Solid Luburication
- Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences
- Lanzhou
- China
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Ying Z, Wu C, Zhang C, Jiang S, Shi R, Cheng H, Zhang B, Li Y, Zhao F. Synthesis of polyureas with CO 2 as carbonyl building block and their high performances. J CO2 UTIL 2017. [DOI: 10.1016/j.jcou.2017.04.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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Ying Z, Zhang C, Jiang S, Wu Q, Zhang B, Yu Y, Lan M, Cheng H, Zhao F. Synthesis of a novel hydrophobic polyurea gel from CO 2 and amino-modified polysiloxane. J CO2 UTIL 2016. [DOI: 10.1016/j.jcou.2016.05.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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13
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Wang P, Ma X, Li Q, Yang B, Shang J, Deng Y. Green synthesis of polyureas from CO2 and diamines with a functional ionic liquid as the catalyst. RSC Adv 2016. [DOI: 10.1039/c6ra07452a] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The synthesis of polyureas from CO2 and diamines with a functional ionic liquid as the catalyst.
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Affiliation(s)
- Peixue Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Xiangyuan Ma
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Qinghe Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Benqun Yang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Jianpeng Shang
- Department of Chemistry and Environmental Engineering
- Shanxi Datong University
- Datong
- China
| | - Youquan Deng
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
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