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Guo M, Wu W, Wu W, Gao Q. Competitive Mechanism of Stereocomplexes and Homocrystals in High-Performance Symmetric and Asymmetric Poly(lactic acid) Enantiomers: Qualitative Methods. ACS OMEGA 2022; 7:41412-41425. [PMID: 36406546 PMCID: PMC9670727 DOI: 10.1021/acsomega.2c05198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
To systematically explore the critical contributions of both molecular weights and crystallization temperature and chain length and molar ratios to the formation of stereocomplexes (SCs), our group quantitatively prepared a wide MW range of symmetric and asymmetric poly(lactic acid) (PLA) racemic blends, which contains L-MW PLLA with M n > 6k g/mol. The crystallinity and relative fraction of SCs increase with T c, and the SCs are exclusively formed at T c > 180 °C in M/H-MW racemic blends. When MWs of one of the enantiomers are over 6k and less than 41k, multiple stereocomplexation is clear in the asymmetric racemic blends and more ordered SCs form with less entanglement or the amorphous region compared to those for the MW of the enantiomers over 41k in the symmetric/asymmetric enantiomers. When the MW of the blends is more than 41k, SCs and homocrystals (HCs) coexist in the symmetric enantiomers and the multicomplexation can restrict the asymmetric enantiomers. This study provides a deep comprehensive insight into the stereocomplex crystallization mechanism of polymers and provides a reference value for future research attempting to prepare stereocomplex materials.
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Affiliation(s)
- Mingwei Guo
- College
of Chemical Engineering, Nanjing Forestry
University, Nanjing210037, China
| | - Wenjing Wu
- College
of Chemical Engineering, Nanjing Forestry
University, Nanjing210037, China
| | - Weixin Wu
- College
of Chemical Engineering, Nanjing Forestry
University, Nanjing210037, China
| | - Qinwei Gao
- College
of Chemical Engineering, Nanjing Forestry
University, Nanjing210037, China
- Co-Innovation
Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing210037, China
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2
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Chen Q, Auras R, Corredig M, Kirkensgaard JJK, Mamakhel A, Uysal-Unalan I. New opportunities for sustainable bioplastic development: Tailorable polymorphic and three-phase crystallization of stereocomplex polylactide by layered double hydroxide. Int J Biol Macromol 2022; 222:1101-1109. [PMID: 36174869 DOI: 10.1016/j.ijbiomac.2022.09.205] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/20/2022] [Accepted: 09/22/2022] [Indexed: 11/05/2022]
Abstract
Stereocomplexation between enantiomeric poly(l-lactide) (PLLA) and poly(d-lactide) (PDLA) is a promising sustainable approach and gaining momentum to overcome the shortcomings of polylactide (PLA) for its use as a replacement for fossil-based plastics. Filler addition in tailoring the crystallization of stereocomplex PLA (SC-PLA) attracts extensive attention; however, research has primarily focused on the heterogeneous nucleation effect of filler. The impact of filler on the chain behavior of SC-PLA during crystallization has not been exclusively discussed, and the rigid amorphous fraction (RAF) development remains unknown. In this study, the crystallization of PLLA/PDLA blends was modified by low loading of layered double hydroxide (LDH) (≤ 1 wt%) with the proposed local effect of such filler, and additional RAF development was incurred. In the early stage of crystallization, LDH facilitates the pairing of PLLA and PDLA and arrests the ordered SC pairs during the dynamic balance between the separation and pairing of racemic segments. This explains the severely suppressed homochiral (HC) crystallization, promoted SC crystallization, and additional RAF formation driven by the nucleation-induced chain ordering. This work, for the first time, highlights the role of LDH in creating SC-PLA with tailorable polymorphism and RAF, where the mechanism can be extended to other filler-type nucleator systems.
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Affiliation(s)
- Qi Chen
- Department of Food Science, Aarhus University, Agro Food Park 48, 8200 Aarhus N, Denmark; CiFOOD - Center for Innovative Food Research, Aarhus University, Agro Food Park, 48, 8200 Aarhus N, Denmark
| | - Rafael Auras
- School of Packaging, Michigan State University, East Lansing, MI 48824-1223, USA
| | - Milena Corredig
- Department of Food Science, Aarhus University, Agro Food Park 48, 8200 Aarhus N, Denmark; CiFOOD - Center for Innovative Food Research, Aarhus University, Agro Food Park, 48, 8200 Aarhus N, Denmark
| | - Jacob Judas Kain Kirkensgaard
- Department of Food Science, University of Copenhagen, 1958 Frederiksberg C, Denmark; Niels Bohr Institute, University of Copenhagen, 2100 Copenhagen Ø, Denmark
| | - Aref Mamakhel
- Department of Chemistry, Aarhus University, 8000 Aarhus C, Denmark
| | - Ilke Uysal-Unalan
- Department of Food Science, Aarhus University, Agro Food Park 48, 8200 Aarhus N, Denmark; CiFOOD - Center for Innovative Food Research, Aarhus University, Agro Food Park, 48, 8200 Aarhus N, Denmark.
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3
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Zhu Q, Zhou ZP, Hao TF, Nie YJ. Significantly Improved Stereocomplexation Ability in Cyclic Block Copolymers. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2845-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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4
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Fractionation of Polyolefin Elastomer by a Modified SSA Technique. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2740-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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5
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He Y, Liu D, Wang J, Pan P, Hu W. Tammann Analysis of the Molecular Weight Selection of Polymorphic Crystal Nucleation in Symmetric Racemic Poly(lactic acid) Blends. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00457] [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]
Affiliation(s)
- Yucheng He
- State Key Laboratory of Coordinate Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Dan Liu
- State Key Laboratory of Coordinate Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Jiping Wang
- State Key Laboratory of Coordinate Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Pengju Pan
- State Key Laboratory of Chemical Engineering, College of Biological and Chemical Engineering, Zhejiang University, Hangzhou 310027, China
| | - Wenbing Hu
- State Key Laboratory of Coordinate Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
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6
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Zhou D, Xu M, Li J, Tan R, Ma Z, Dong XH. Effect of Chain Length on Polymer Stereocomplexation: A Quantitative Study. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00380] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Dongdong Zhou
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Miao Xu
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jinbin Li
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Rui Tan
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Zhuang Ma
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Xue-Hui Dong
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
- State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
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7
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Stereocomplex Crystallization in Asymmetric Diblock Copolymers Studied by Dynamic Monte Carlo Simulations. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-021-2512-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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8
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Wang B, Cavallo D, Zhang X, Zhang B, Chen J. Evolution of chain entanglements under large amplitude oscillatory shear flow and its effect on crystallization of isotactic polypropylene. POLYMER 2020. [DOI: 10.1016/j.polymer.2019.121899] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Gu Z, Xu Y, Lu Q, Han C, Liu R, Zhou Z, Hao T, Nie Y. Stereocomplex formation in mixed polymers filled with two-dimensional nanofillers. Phys Chem Chem Phys 2019; 21:6443-6452. [DOI: 10.1039/c8cp07839d] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nanosheets promote the formation of stereocomplex crystallites due to the heterogeneous nucleation of mixed polymer chains on filler surfaces.
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Affiliation(s)
- Zhouzhou Gu
- Institute of Polymer Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Ying Xu
- Institute of Polymer Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Qingqiang Lu
- Institute of Polymer Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Cunhao Han
- Institute of Polymer Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Rongjuan Liu
- Institute of Polymer Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Zhiping Zhou
- Institute of Polymer Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Tongfan Hao
- Institute of Green Chemistry and Chemical Technology
- Jiangsu University
- Zhenjiang 212013
- China
| | - Yijing Nie
- Institute of Polymer Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
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10
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Qiu X, Liu R, Nie Y, Liu Y, Liang Z, Yang J, Zhou Z, Hao T. Monte Carlo simulations of stereocomplex formation in multiblock copolymers. Phys Chem Chem Phys 2019; 21:13296-13303. [DOI: 10.1039/c9cp02070e] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Local miscibility and relative size of block length and crystal thickness codetermine stereocomplex formation in multiblock copolymers.
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Affiliation(s)
- Xiaoyan Qiu
- Research School of Polymeric Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Rongjuan Liu
- Research School of Polymeric Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Yijing Nie
- Research School of Polymeric Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Yong Liu
- Research School of Polymeric Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Zhaopeng Liang
- Research School of Polymeric Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Jun Yang
- Research School of Polymeric Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Zhiping Zhou
- Research School of Polymeric Materials
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Tongfan Hao
- Institute of Green Chemistry and Chemical Technology
- Jiangsu University
- Zhenjiang 212013
- China
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11
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Guan X, Wang J, Hu W. Monte Carlo Simulation of Strain-Enhanced Stereocomplex Polymer Crystallization. J Phys Chem B 2018; 122:10928-10933. [PMID: 30422656 DOI: 10.1021/acs.jpcb.8b07499] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We performed dynamic Monte Carlo simulations to investigate strain-induced polymer crystallization under separate enhancements of the driving forces for homocomponent and stereocomplex crystallization in the half-half symmetric racemic polymer blends. The results showed that the polymer strain significantly enhances the stereocomplex crystallization, in comparison to the parallel cases of template-induced crystal growth without any strain in the previous simulations. We attributed the results to the strain-induced polymer crystallization favoring intermolecular crystal nucleation at high temperatures, which benefits the stereocomplex crystallization. Our observations provided a molecular-level interpretation to the strain- or shear-enhanced stereocomplex crystallization in the racemic polylactide blends.
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Affiliation(s)
- Xinchao Guan
- Department of Polymer Science and Engineering, State Key Lab of Coordination Chemistry, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Jiping Wang
- Department of Polymer Science and Engineering, State Key Lab of Coordination Chemistry, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Wenbing Hu
- Department of Polymer Science and Engineering, State Key Lab of Coordination Chemistry, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
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12
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Nie Y, Liu Y, Liu R, Zhou Z, Hao T. Dynamic Monte Carlo simulations of competition in crystallization of mixed polymers grafted on a substrate. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/polb.24757] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yijing Nie
- Institute of Polymer Materials, School of Materials Science and EngineeringJiangsu University 301 Xuefu Road, Zhenjiang 212013 China
| | - Yong Liu
- Institute of Polymer Materials, School of Materials Science and EngineeringJiangsu University 301 Xuefu Road, Zhenjiang 212013 China
| | - Rongjuan Liu
- Institute of Polymer Materials, School of Materials Science and EngineeringJiangsu University 301 Xuefu Road, Zhenjiang 212013 China
| | - Zhiping Zhou
- Institute of Polymer Materials, School of Materials Science and EngineeringJiangsu University 301 Xuefu Road, Zhenjiang 212013 China
| | - Tongfan Hao
- Institute of Green Chemistry and Chemical TechnologyJiangsu University 301 Xuefu Road, Zhenjiang 212013 China
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13
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Affiliation(s)
- Huachen Tao
- Department of Polymer Science and Engineering, State Key Lab of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, People’s Republic of China
| | - Feng Gao
- Department of Polymer Science and Engineering, State Key Lab of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, People’s Republic of China
| | - Huanhuan Gao
- Department of Polymer Science and Engineering, State Key Lab of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, People’s Republic of China
| | - Wenbing Hu
- Department of Polymer Science and Engineering, State Key Lab of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, People’s Republic of China
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