The effect of hydroxyl-functionalized ionomers on properties of thermoplastic starch/PBAT blends

化学工业与工程

Chemcial Industry and Engineering

2024, Vol. 41

Issue (3) :86-97 DOI: 10.13353/j.issn.1004.9533.20220313

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The effect of hydroxyl-functionalized ionomers on properties of thermoplastic starch/PBAT blends

MA Yilian¹, DING Yingli², HU Haodong¹, CHEN Xiangjian², CUI Liang³, ZHANG Kunyu^1,3

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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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.

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	MA Yilian
	DING Yingli
	HU Haodong
	CHEN Xiangjian
	CUI Liang
	ZHANG Kunyu

Keywords： thermoplastic starch ionomer poly(butylene adipate-butylene terephthalate) aging resistance

Received 2022-04-02;

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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,V41(3): 86-97

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