1
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Synchrotron X-ray-analyzed inner structure of polyethylene spherulites and atomistic simulation of a trigger of the lamellar twisting phenomenon. Polym J 2022. [DOI: 10.1038/s41428-022-00710-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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2
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Grating assembly in periodic crystal aggregates of aliphatic polyesters with potential iridescence photonics. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-021-02856-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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3
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Wu CN, Woo EM, Nagarajan S. Periodic crystal assembly of Poly(3-hydroxybutyric acid-co-3-hydroxyvaleric acid): From surface to interior microstructure. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123866] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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4
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Liao YH, Nagarajan S, Woo EM, Chuang WT, Tsai YW. Synchrotron X-Ray Analysis and Morphology Evidence for Stereo-Assemblies of Periodic Aggregates in Poly(3-hydroxybutyrate) with Unusual Photonic Iridescence. Macromol Rapid Commun 2021; 42:e2100281. [PMID: 34145924 DOI: 10.1002/marc.202100281] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/03/2021] [Indexed: 11/06/2022]
Abstract
3D morphology of poly(3-hydroxybutyrate) (PHB), crystallized in the presence of diluents of poly(1,3-trimethylene adipate) and poly(ethylene oxide), is probed using a novel approach coupled with selective etching. For interpreting the mechanisms of crystal periodic aggregation, various microscopic techniques and synchrotron microbeam X-ray analysis are used to observe the top surface in connection with the 3D crystal assemblies. Periodic grating architectures, with the cross-bar pitch exactly matching with the optical band spacing, are proved in banded PHB. The crystals under the ridge branch out to spawn finer crystals orienting/bending horizontally underneath the valley band, repeating till species drainage or impingement. The grating structure in the banded PHB resembles many nature's iridescence crystals and is further proved by photonic reflection results as a critical breakthrough novel finding.
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Affiliation(s)
- Yu-Hsuan Liao
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Selvaraj Nagarajan
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Eamor M Woo
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Wei-Tsung Chuang
- National Synchrotron Radiation Research Center (NSRRC), 101 Hsin-Ann Road, Hsinchu, 30076, Taiwan
| | - Yi-Wei Tsai
- National Synchrotron Radiation Research Center (NSRRC), 101 Hsin-Ann Road, Hsinchu, 30076, Taiwan
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5
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Nagarajan S, Woo EM, Su CH, Yang CE. Microstructural Periodic Arrays in Poly(Butylene Adipate) Featured with Photonic Crystal Aggregates. Macromol Rapid Commun 2021; 42:e2100202. [PMID: 34121268 DOI: 10.1002/marc.202100202] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/07/2021] [Indexed: 12/25/2022]
Abstract
Poly(butylene adipate) (PBA) self-aggregation into unique periodicity correlating to its interfacial photonic properties is probed in detail. Investigations on the unique periodic morphology and top-surface and interior architectures in specifically crystallized PBA are focused on its novel photonic patterns with periodic gratings. Detailed analysis of the interior lamellae from ringless to periodically ordered aggregates (crystallized at 33-35 °C vs. Tc = 30 °C) serves as ideal comparisons. Each interior arc-shape shell is composed of tangential and radial lamellae mutually intersecting at 90o angle. The interior layer thickness in SEM-revealed arc-shape shish-kebab shell is exactly equal to the optical inter-band spacing (≈6 µm). A 3D assembly mechanism of periodically banded PBA crystals is proposed, where the orderly arrays on top surfaces as well as the interior microstructures of strut-rib alternate-layered assembly resemble nature's photonic crystals and collectively account for the interfacial photonic properties in the ring-banded PBA crystal that is novel and has potential applications in future.
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Affiliation(s)
- Selvaraj Nagarajan
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Eamor M Woo
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Chi-Hsuan Su
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Cheng-En Yang
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
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6
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Tseng YL, Chuan KN, Woo EM. Unusual Ringed/Dendritic Sector Faces in Poly(butylene succinate) Crystallized with Isomeric Polymer. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b06098] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ya-Ling Tseng
- Department of Chemical Engineering, National Cheng Kung University,University Road No.1, Tainan 70101, Taiwan
| | - Kai-Ning Chuan
- Department of Chemical Engineering, National Cheng Kung University,University Road No.1, Tainan 70101, Taiwan
| | - Eamor M. Woo
- Department of Chemical Engineering, National Cheng Kung University,University Road No.1, Tainan 70101, Taiwan
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7
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Morphological analyses evidencing corrugate-grating lamellae assembly in banded spherulites of Poly(ethylene adipate). POLYMER 2020. [DOI: 10.1016/j.polymer.2019.122141] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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8
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Li L, Yang L, Tang J, Yang J, Li W, Zhou S, Ma H, Zhu H, Zhu Z. Modulated crystallization behavior of bacterial copolyester poly(3-hydroxybutyrate-co-3-hydroxyhexanoate): Effect of a linear multiple amides derivative as a nucleator. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2020. [DOI: 10.1080/10601325.2019.1710534] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Lingling Li
- Department of Environment and Safety, Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, China
| | - Linxuan Yang
- Department of Environment and Safety, Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, China
| | - Jingjing Tang
- Department of Environment and Safety, Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, China
| | - Jinjun Yang
- Department of Environment and Safety, Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, China
| | - Wei Li
- Department of Environment and Safety, Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, China
| | - Shanshan Zhou
- Department of Environment and Safety, Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, China
| | - Huimin Ma
- Department of Environment and Safety, Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, China
| | - Haibo Zhu
- Department of Environment and Safety, Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, China
| | - Zhen Zhu
- Department of Environment and Safety, Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, China
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9
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Analysis of molecular orientation in polymeric spherulite using polarized micro attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopic imaging. Anal Chim Acta 2019; 1065:79-89. [PMID: 31005154 DOI: 10.1016/j.aca.2019.02.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/22/2019] [Accepted: 02/04/2019] [Indexed: 11/20/2022]
Abstract
Micro ATR-FTIR spectroscopic imaging enables the visualization of two-dimensional chemical distribution at a higher spatial resolution than macro-transmission FTIR imaging approach. In this study, micro ATR-FTIR imaging was applied for analysis of a specific morphology in a spherulite of poly(3-hydroxybutyrate) (PHB). The PHB spherulites crystallized at an isothermal condition, showed the fine band structure due to the twisting lamellar crystals during the spherulite growth under the polarized optical microscope (POM). In addition, the band structure observed in the PHB spherulite was the double band pattern in which the higher and lower birefringence banded areas alternatively appear due to the three-dimensional orientation of crystallographic axes and the biaxial refractive index ellipsoid of PHB crystalline structure. Micro ATR-FTIR spectroscopic imaging was employed for detecting the double band structure in the PHB spherulite. However, the obtained spectral images did not indicate any band structures. To detect the difference of molecular orientation among the double band structures, the micro ATR-FTIR imaging was performed with a linear polarizer at four different angles. The mean values of absorbance in each measured area changed depending on the polarizer angle. The in-plane molecular orientation to the tangential direction of spherulite, caused by the dependence of the average absorbance on the polarizer angles, was determined by the position of measured area in the spherulite and the linear dicroism of each of the spectral band used. To visualize the small difference of molecular orientation in the double band structure, micro ATR-FTIR images of the dichroic differences at three spectral bands were calculated from two different sets of polarizer angles. The micro ATR-FTIR images representing the dichroic differences displayed their corresponding distributions among three spectral bands. The complementary distributions of the dichroic difference were caused by the crystallographic orientation of b- and c-axes and were successfully visualized to reveal the pattern with the features less than 10 μm in size. The results achieved in this study were due to two advantages of the polarized micro ATR-FTIR imaging: the high spatial resolution of micro ATR-FTIR imaging technique, and the high sensitivity of polarization measurements. Thus, this work demonstrates the power of this spectroscopic approach for such analytical investigation.
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10
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Tang J, Xu B, Xi Z, Pan X, Zhao L. Controllable Crystallization Behavior of Nylon-6/66 Copolymers Based on Regulating Sequence Distribution. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b02671] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jie Tang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Bowen Xu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Zhenhao Xi
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xun Pan
- Flinders Institute for NanoScale Science and Technology, Flinders University, Sturt Road, Bedford Park, SA 5042, Australia
| | - Ling Zhao
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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11
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Woo EM, Lee M. Crystallization in arylate polyesters to periodically ringed assembly. POLYMER CRYSTALLIZATION 2018. [DOI: 10.1002/pcr2.10018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Eamor M. Woo
- Department of Chemical EngineeringNational Cheng Kung University Tainan Taiwan
| | - Ming‐Syuan Lee
- Department of Chemical EngineeringNational Cheng Kung University Tainan Taiwan
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12
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Woo EM, Yen KC, Yeh YT, Wang LY. Biomimetically Structured Lamellae Assembly in Periodic Banding of Poly(ethylene adipate) Crystals. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00549] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- E. M. Woo
- Department of Chemical Engineering, National Cheng Kung University, Tainan 701-01, Taiwan
| | - Kai-Cheng Yen
- Department of Chemical Engineering, National Cheng Kung University, Tainan 701-01, Taiwan
| | - Yu-Ting Yeh
- Department of Chemical Engineering, National Cheng Kung University, Tainan 701-01, Taiwan
| | - Lai-Yen Wang
- Department of Chemical Engineering, National Cheng Kung University, Tainan 701-01, Taiwan
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13
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Woo EM, Lugito G, Chang SM. Three-dimensional interior analyses on periodically banded spherulites of poly(dodecamethylene terephthalate). CrystEngComm 2018. [DOI: 10.1039/c7ce02226c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polarized optical, atomic force, and scanning electron microscopy images showing the correlations of three-dimensional crystal arrangements with optical properties exhibited by poly(dodecamethylene terephthalate).
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Affiliation(s)
- E. M. Woo
- Department of Chemical Engineering
- National Cheng Kung University
- Tainan 701-01
- Taiwan
| | - G. Lugito
- Department of Chemical Engineering
- National Cheng Kung University
- Tainan 701-01
- Taiwan
- Department of Chemical Engineering
| | - S. M. Chang
- Department of Chemical Engineering
- National Cheng Kung University
- Tainan 701-01
- Taiwan
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14
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Wang M, Vantasin S, Wang J, Sato H, Zhang J, Ozaki Y. Distribution of Polymorphic Crystals in the Ring-Banded Spherulites of Poly(butylene adipate) Studied Using High-Resolution Raman Imaging. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b00139] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Mengfan Wang
- Department
of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
| | - Sanpon Vantasin
- Department
of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
| | - Jiping Wang
- Key
Laboratory of Rubber-Plastics, Ministry of Education, Qingdao University of Science and Technology, Qingdao City 266042, People’s Republic of China
| | - Harumi Sato
- Graduate
School of Human Development and Environment, Kobe University, 3-11 Tsurukabuto, Nada-ku, Kobe, Hyogo 657-8501, Japan
| | - Jianming Zhang
- Key
Laboratory of Rubber-Plastics, Ministry of Education, Qingdao University of Science and Technology, Qingdao City 266042, People’s Republic of China
| | - Yukihiro Ozaki
- Department
of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
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15
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Crystallization behavior of biodegradable poly(ethylene adipate) modulated by a benign nucleating agent: Zinc phenylphosphonate. CHINESE JOURNAL OF POLYMER SCIENCE 2017. [DOI: 10.1007/s10118-017-1917-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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17
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Woo EM, Lugito G, Tsai JH, Müller AJ. Hierarchically Diminishing Chirality Effects on Lamellar Assembly in Spherulites Comprising Chiral Polymers. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00350] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Eamor M. Woo
- Department
of Chemical Engineering National Cheng Kung University, Tainan, 701, Taiwan
| | - Graecia Lugito
- Department
of Chemical Engineering National Cheng Kung University, Tainan, 701, Taiwan
| | - Jia-Hsuan Tsai
- Department
of Chemical Engineering National Cheng Kung University, Tainan, 701, Taiwan
| | - Alejandro J. Müller
- POLYMAT
and Polymer Science and Technology Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Spain
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
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18
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Lugito G, Woo EM, Hsieh YT. Transitional Ring Bands Constructed by Discrete Positive- and Negative-Birefringence Lamellae Packed in Poly(1,6-hexamethylene adipate) Spherulites. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b01981] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Graecia Lugito
- Department
of Chemical Engineering, National Cheng Kung University, Tainan, 701-01, Taiwan, R.O.C
| | - Eamor M. Woo
- Department
of Chemical Engineering, National Cheng Kung University, Tainan, 701-01, Taiwan, R.O.C
| | - Ya-Ting Hsieh
- Institute
for Materials Chemistry and Engineering, Kyushu University, 744
Motooka Nishi-ku, Fukuoka, Kyushu 819-0395, Japan
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19
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20
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Li X, Qiu Z. Crystallization behaviors and morphology of novel poly(octamethylene adipate-co-octamethylene succinate) and poly(octamethylene adipate). Macromol Res 2015. [DOI: 10.1007/s13233-015-3083-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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21
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Lugito G, Woo EM. Intertwining lamellar assembly in porous spherulites composed of two ring-banded poly(ethylene adipate) and poly(butylene adipate). SOFT MATTER 2015; 11:908-917. [PMID: 25503816 DOI: 10.1039/c4sm02489c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Poly(1,4-butylene adipate) (PBA) and poly(ethylene adipate) (PEA), each with the ability to form ring-banded morphologies at same Tc, were simultaneously crystallized from mixtures of various compositions. Investigations on morphology, phase and thermal behavior were conducted in order to reveal lamellar packing and spherulitic structures in this binary system. As PBA is faster-crystallizing and dominates the crystallization process, it is relatively easy to maintain its ordered ring-banded pattern in a PBA/PEA blend when there is a moderate amount of PBA in the composition (40 wt% or greater). On the other hand, PEA is much slower crystallizing and it has to be in extreme majority (PEA > 95 wt%) in the PBA/PEA mixtures in order to crystallize into ring-banded spherulites of PEA pattern. When PBA composition is between 10 and 40 wt% in the PBA/PEA blend, simultaneous crystallization of PBA and PEA leads to an interpenetrating morphology with an interwoven bird-nest pattern. Porous structures with crevices, owing to the interpenetrating PBA and PEA lamellae, resulted in simultaneous crystallization of these two biodegradable polyesters.
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Affiliation(s)
- Graecia Lugito
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701-01, Taiwan.
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22
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Li X, Qiu Z. Synthesis and properties of novel poly(ethylene succinate-co-decamethylene succinate) copolymers. RSC Adv 2015. [DOI: 10.1039/c5ra23585e] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The tensile properties of poly(ethylene succinate-co-decamethylene succinate) copolymers may be well regulated by the decamethylene succinate contents.
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Affiliation(s)
- Xiaojing Li
- State Key Laboratory of Chemical Resource Engineering
- MOE Key Laboratory of Carbon Fiber and Functional Polymers
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Zhaobin Qiu
- State Key Laboratory of Chemical Resource Engineering
- MOE Key Laboratory of Carbon Fiber and Functional Polymers
- Beijing University of Chemical Technology
- Beijing 100029
- China
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23
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Takahashi S, Kiran E. Development of ring-banded spherulitic morphologies and formation of radially oriented nano-pores in poly(3-hydroxybutyrate-co-3-hydroxyvalerate) during crystallization in CO2. J Supercrit Fluids 2015. [DOI: 10.1016/j.supflu.2014.10.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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24
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Jiang Z, Qiu Z. Unusual crystallization behavior of biodegradable poly(ethylene adipate) based nanocomposites induced by graphene oxide. RSC Adv 2015. [DOI: 10.1039/c5ra10332k] [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
GO increases both the nucleation density and the growth rate of PEA spherulites in nanocomposites.
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Affiliation(s)
- Zinan Jiang
- State Key Laboratory of Chemical Resource Engineering
- MOE Key Laboratory of Carbon Fiber and Functional Polymers
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Zhaobin Qiu
- State Key Laboratory of Chemical Resource Engineering
- MOE Key Laboratory of Carbon Fiber and Functional Polymers
- Beijing University of Chemical Technology
- Beijing 100029
- China
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25
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Zhang Y, Fang H, Wang Z, Tang M, Wang Z. Disclosing the formation of ring-banded spherulites for semicrystalline polymers through the double-layer film method. CrystEngComm 2014. [DOI: 10.1039/c3ce42083c] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Hikima Y, Morikawa J, Hashimoto T. Wavenumber Dependence of FT-IR Image of Molecular Orientation in Banded Spherulites of Poly(3-hydroxybutyrate) and Poly(l-lactic acid). Macromolecules 2013. [DOI: 10.1021/ma302560q] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Yuta Hikima
- Tokyo Institute Technology, 2-12-1, S8-29, Ookayama,
Meguro-ku Tokyo 152-8550, Japan
| | - Junko Morikawa
- Tokyo Institute Technology, 2-12-1, S8-29, Ookayama,
Meguro-ku Tokyo 152-8550, Japan
| | - Toshimasa Hashimoto
- Tokyo Institute Technology, 2-12-1, S8-29, Ookayama,
Meguro-ku Tokyo 152-8550, Japan
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27
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Wu H, Qiu Z. A Comparative Study of Crystallization, Melting Behavior, and Morphology of Biodegradable Poly(ethylene adipate) and Poly(ethylene adipate-co-5 mol % ethylene succinate). Ind Eng Chem Res 2012. [DOI: 10.1021/ie301968f] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Huina Wu
- State Key Laboratory of Chemical Resource
Engineering, Key Laboratory of Carbon Fiber and Functional Polymers,
Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, People’s
Republic of China
| | - Zhaobin Qiu
- State Key Laboratory of Chemical Resource
Engineering, Key Laboratory of Carbon Fiber and Functional Polymers,
Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, People’s
Republic of China
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28
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Lamellar assembly corresponding to transitions of positively to negatively birefringent spherulites in poly(ethylene adipate) with phenoxy. Colloid Polym Sci 2012. [DOI: 10.1007/s00396-012-2793-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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29
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Wang LY, Lugito G, Woo EM, Wang YH. Phase behavior, polymorphism and spherulite morphology in Poly(1,4-butylene adipate) interacting with two structurally similar acrylic polymers. POLYMER 2012. [DOI: 10.1016/j.polymer.2012.06.031] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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30
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Woo EM, Wang LY, Nurkhamidah S. Crystal Lamellae of Mutually Perpendicular Orientations by Dissecting onto Interiors of Poly(ethylene adipate) Spherulites Crystallized in Bulk Form. Macromolecules 2012. [DOI: 10.1021/ma202222e] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- E. M. Woo
- Department of Chemical Engineering, National Cheng Kung University, Tainan 701-01, Taiwan
| | - Lai-Yen Wang
- Department of Chemical Engineering, National Cheng Kung University, Tainan 701-01, Taiwan
| | - Siti Nurkhamidah
- Department of Chemical Engineering, National Cheng Kung University, Tainan 701-01, Taiwan
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31
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Wu H, Qiu Z. Synthesis, crystallization kinetics and morphology of novel poly(ethylene succinate-co-ethylene adipate) copolymers. CrystEngComm 2012. [DOI: 10.1039/c2ce06629g] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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