Impact of Poly(Styrene-co-Methyl Acrylate) on the Compatibility of Polylactide/SBS Blends

被引：0

作者：

Wang B. ^{[1
]}

Liu W. ^{[1
]}

Tu Z. ^{[1
]}

Wu C. ^{[1
]}

Shi B. ^{[1
]}

Hu T. ^{[1
]}

Gong X. ^{[1
]}

机构：

[1] Collaborative Innovation Center of Green Light-weight Materials and Processing, and School of Materials and Chemical Engineering, Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan

来源：

Cailiao Daobao/Materials Reports | 2019年 / 33卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Compatibility; Poly(styrene-co-methyl acrylate) (PSMA); Polylactide (PLA); Styrene-butadiene-styrene (SBS) triblock copolymer;

D O I：

10.11896/cldb.18100099

中图分类号：

学科分类号：

摘要：

Taking random copolymer poly(styrene-co-methyl acrylate) (PSMA) (nSt:nMA=75:25) as compatibilizer, we conducted the melt blending of the polylactide (PLA) and the triblock copolymer styrene-butadiene-styrene (SBS) on a twin-screw extruder, and explored the impact of PSMA content on the compatibility of PLA/SBS (mPLA:mSBS=90:10) blends. Furthermore, the scanning electron microscope, universal tensile testing machine, differential scanning calorimeter and rotary rheometer were employed to characterize the microstructure, mechanical properties, thermal properties and rheological properties of PLA/SBS blends. It could be observed by SEM that adding 1wt% PSMA enabled uniform dispersion of SBS in PLA/SBS blends and enhanced the interfacial adhesion of PLA/SBS blends as well. Meanwhile, the elongation and impact strength of PLA/SBS blends with 1wt% PSMA were 7.1 and 2.3 times of those of pure PLA, respectively. Besides, DSC and rheological results indicated an improved compatibility of PLA and SBS by the addition of PSMA. © 2019, Materials Review Magazine. All right reserved.

引用

页码：3833 / 3836

页数：3

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