Enhanced properties of starch based foams with modified starch/polyester blend as masterbatch

被引：8
|
作者：
Shi, Huidong [1 ]
Zhu, Yanfeng [1 ]
Ju, Qing [1 ]
Shen, Yucai [1 ,2 ]
Wang, Tingwei [1 ,2 ]
机构：
[1] Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211816, Peoples R China
[2] Nanjing Tech Univ, Suqian Adv Mat Inst, Suqian, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2022年 / 139卷 / 39期
关键词：
foam; mechanical properties; PBAT; starch; THERMOPLASTIC STARCH; MECHANICAL-PROPERTIES; BIODEGRADABLE FOAMS; PHYSICAL-PROPERTIES; REACTIVE EXTRUSION; CHAIN EXTENSION; CASSAVA STARCH; MIXTURE DESIGN; ORGANIC-ACIDS; CITRIC-ACID;
D O I：
10.1002/app.52951
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Starch/PBAT blends were reactively extruded as masterbatch with the addition of tartaric acid (TA) and epoxide chain extender ADR4468 (ADR). The effects of tartaric acid and chain extender on the mechanical properties and structure of starch/PBAT blends were evaluated. The tensile strength of starch/PBAT blends with TA and TA/ADR increased by 31.4% and 85.6%, respectively. Further, starch, plasticizer, and blowing agent were melt extruded with this blend masterbatch, and the effects of masterbatch on the foamability, morphology, and properties of starch foams were investigated. When the masterbatch content was 10 phr, the obtained foam had the lowest apparent density (445.1 kg m(-3)), and the compressive strength, recovery, and water resistance of the foam were also improved significantly.
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页数：11
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