Formation of Interfacial Janus Nanomicelles by Reactive Blending and Their Compatibilization Effects on Immiscible Polymer Blends

被引：51

作者：

Wang, Hengti ^{[1
,2
,3
]}

Fu, Zhiang ^{[1
]}

Dong, Wenyong ^{[1
]}

Li, Yongjin ^{[1
]}

Li, Jingye ^{[2
]}

机构：

[1] Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, 16 Xuelin Rd, Hangzhou 310036, Zhejiang, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Appl Phys, CAS Ctr Excellent TMRS Energy Syst, Shanghai 201800, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2016年 / 120卷 / 34期

基金：

中国国家自然科学基金;

关键词：

MORPHOLOGY DEVELOPMENT; TRIBLOCK TERPOLYMERS; BLOCK-COPOLYMERS; GRAFT-COPOLYMERS; PULL-OUT; HOMOPOLYMER BLENDS; PPE/SAN BLENDS; COMB POLYMERS; T-G; PARTICLES;

D O I：

10.1021/acs.jpcb.6b06761

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Micellization of in situ formed graft copolymers during reactive blending is commonly observed. Numerous studies have been carried out to minimize the formation of micelles and enhance emulsification efficiency. Herein, we investigated the formation of interfacial Janus nanomicelles (JNMs) and their compatibilization effects on immiscible polymer blends when reactive graft copolymers (RGCs) are used as compatibilizers. Poly(styrene-co-glycidyl methacrylate)graft-poly(methyl methacrylate) RGCs were synthesized and used as compatibilizers for immiscible poly(L-lactide) (PLLA)/poly(vinylidene fluoride) (PVDF) blends. Numerous nano micelles were formed in situ during melt blending by grafting of PLLA onto the RGCs. The formation and location of JNMs depended not only on the molecular architecture of the RGCs but also on the melt processing sequence and molecular weight of the components. Interfacial JNMs can effectively improve the miscibility of polymer blends, thereby enhancing the performance of immiscible polymer blends.

引用

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页码：9240 / 9252

页数：13

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