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化学工业与工程 2024, Vol. 41 Issue (3) :86-97    DOI: 10.13353/j.issn.1004.9533.20220313
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羟基功能化离聚物对热塑性淀粉/PBAT共混物性能的影响
马轶莲1, 丁营利2, 胡浩东1, 陈相见2, 崔亮3, 张坤玉1,3
1. 天津大学化工学院, 天津 300350;
2. 天津大学材料科学与工程学院 天津市材料复合与功能化重点实验室, 天津 300350;
3. 中国石油天然气股份有限公司石油化工研究院, 北京 102206
The effect of hydroxyl-functionalized ionomers on properties of thermoplastic starch/PBAT blends
MA Yilian1, DING Yingli2, HU Haodong1, CHEN Xiangjian2, CUI Liang3, ZHANG Kunyu1,3
1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
2. Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China;
3. Advanced Materials Research Center, Petrochemical Research Institute, Petro China Company Limited, Beijing 102206, China

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摘要 绿色高分子材料是解决塑料污染这一全球性挑战的重要手段之一,其中高性能材料的开发是关键核心挑战。以热塑性淀粉(TPS)、聚己二酸丁二醇-对苯二甲酸丁二醇酯(PBAT)和一系列新型羟基功能化离聚物为原料,采用熔融法制备了高性能绿色多相共混体系。深入研究了离聚物和组成对共混物相结构和物理性能的影响规律。离聚物在体系中起到TPS增塑剂、共混物增韧剂和增容剂的多重作用。与甘油一起作用,离聚物可以有效地改善TPS的物理性能。更重要的是,离聚物通过分子间相互作用有效地改善了TPS和PBAT的相容性,有效地增强了共混物的相容性,提供了平衡力学性能和抗老化性能相结合的综合性能,TPS(I2-40%)/PBAT 20/80在30 d后的断裂伸长率为436%。这项研究对于从天然产品和生物塑料中利用含羟基聚合物开发可持续的高性能复合材料具有重要意义。
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马轶莲
丁营利
胡浩东
陈相见
崔亮
张坤玉
关键词热塑性淀粉   离聚物   聚己二酸丁二醇-对苯二甲酸丁二醇酯   抗老化     
Abstract: Green polymer materials are one of the important means to solve the global challenge of plastic pollution. Sustainable material is widely studied, but the blend with various high properties has been less explored. Herein, high-performance and fully green multiphase blends were prepared by a melt-processing method from thermoplastic starch (TPS), poly(butylene adipate-co-terephthalate) (PBAT) and a series of novel hydroxyl-functionalized ionomers. The influence of the ionomer and composition on phase structure and physical properties of the blends were thoroughly investigated. The ionomer played multiple roles in the system as a plasticizer for TPS, toughening agent and compatibilizer for the blend. Working together with glycerol, the ionomer effectively improves the physical performance of TPS. More importantly, by intertwining between the TPS and PBAT phases through intermolecular interaction, the ionomer effectively enhanced the compatibility of the blend, offering comprehensive performance in combination of balanced mechanical property, and anti-aging properties. The elongation at break of TPS(I2-40%)/PBAT 20/80 is 436% after 30 days. The study has important implications for developing sustainable high-performance composites from natural products and bioplastics by IL-containing polymers.
Keywordsthermoplastic starch   ionomer   poly(butylene adipate-butylene terephthalate)   aging resistance     
Received 2022-04-02;
Fund:国家自然科学基金项目(51573130)。
Corresponding Authors: 崔亮,高级工程师,E-mail:cuiliang@petrochina.com.cn;张坤玉,副教授,E-mail: kyzhang@tju.edu.cn。     Email: cuiliang@petrochina.com.cn;kyzhang@tju.edu.cn
About author: 马轶莲(1996-),女,硕士研究生,研究方向为生物基聚酯共混。
引用本文:   
马轶莲, 丁营利, 胡浩东, 陈相见, 崔亮, 张坤玉.羟基功能化离聚物对热塑性淀粉/PBAT共混物性能的影响[J].  化学工业与工程, 2024,41(3): 86-97
MA Yilian, DING Yingli, HU Haodong, CHEN Xiangjian, CUI Liang, ZHANG Kunyu.The effect of hydroxyl-functionalized ionomers on properties of thermoplastic starch/PBAT blends[J].  Chemcial Industry and Engineering, 2024,41(3): 86-97
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