Polyolefins/Poly(3-hydroxybutyrate-co-hydroxyvalerate) blends compatibilization: Morphology, rheological, and mechanical properties

被引：22
|
作者：
Sadik, Tarik [1 ,2 ]
Massardier, Valerie [3 ]
Becquart, Frederic [1 ,2 ]
Taha, Mohamed [1 ,2 ]
机构：
[1] Univ Lyon, F-42023 St Etienne, France
[2] Univ St Etienne, CNRS, UMR5223, F-42023 St Etienne, France
[3] Univ Lyon, INSA Lyon, IMP, UMR5223, F-69621 Villeurbanne, France
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2013年 / 127卷 / 02期
关键词：
blends; compatibilization; polyolefins; biodegradable; mechanical properties; DIOXAZOLINE COUPLING AGENT; IMMISCIBLE POLYMER BLENDS; REACTIVE EXTRUSION; RENEWABLE RESOURCES; CHAIN EXTENSION; BEHAVIOR; CRYSTALLIZATION; COPOLYMERS; PREPOLYMERS;
D O I：
10.1002/app.37957
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polypropylene/poly(3-hydroxybutyrate-co-hydroxyvalerate) blend (PHBV) and polyethylene/PHBV blend were prepared by twin screw extruder using preformed copolymer (EVOH-g-PHBV) as compatibilizer or with functional polyolefins that can react in situ with the PHBV phase to form POs-g-PHBV. Scanning electron microscopy shows that by using either EVOH-g-PHBV preformed copolymer or formed copolymers in situ both emulsify the phase interface and reduce the interfacial tension, which result in an enhancement on the mechanical properties of compatibilized blends. Enhancement is more or less pronounced depending on the used PO matrix. (C) 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
引用
收藏
页码：1148 / 1156
页数：9
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