Compatibilization of high-impact polystyrene/polypropylene blends

被引：82

作者：

Horak, Z ^{[1
]}

Fort, V ^{[1
]}

Hlavata, D ^{[1
]}

Lednicky, F ^{[1
]}

Vecerka, F ^{[1
]}

机构：

[1] KAUCUK CO,RUBBER RES INST,CR-27852 KRALUPY,CZECH REPUBLIC

来源：

POLYMER | 1996年 / 37卷 / 01期

关键词：

polymer blends; morphology; compatibilization;

D O I：

10.1016/0032-3861(96)81600-4

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Effects of three different linear styrene-butadiene block copolymers on morphology and selected mechanical properties of high-impact polystyrene/polypropylene blends were investigated. Scanning and transmission electron microscopy and small-angle X-ray scattering were used for the determination of the blend morphology. Impact strength, elongation at break and flexural modulus were measured for further evaluation of the compatibilizer efficiency. A similar effect on the particle dispersion was found for all three copolymers but both the styrene-terminated multiblocks influence formation of interfacial layer and consequently the related mechanical properties in a much more pronounced way than the diblock. Small-angle X-ray scattering was found to be the appropriate technique for the determination of triblock concentration necessary for covering a given interfacial area (critical concentration).

引用

页码：65 / 73

页数：9

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