Phase Structure of PVC/MBS Blends by Small Angle X-ray Scattering

被引：2

作者：

Tan, Shaozao ^{[2
]}

Li, Wei ^{[1
]}

Chen, Xudong ^{[1
]}

Li, Chong ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Inst Polymer, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China

[2] Jinan Univ, Dept Chem, Guangzhou 510638, Guangdong, Peoples R China

来源：

JOURNAL OF ELASTOMERS AND PLASTICS | 2009年 / 41卷 / 01期

关键词：

polymer blends and alloys; material testing; rubber; SMALL RUBBER PARTICLES; GRAFT COPOLYMER BLENDS; POLY(VINYL CHLORIDE); TOUGHENING BEHAVIOR; POLY(CIS-BUTADIENE) RUBBER; CAVITATION; POLYVINYL-CHLORIDE); POLYPROPYLENE; MORPHOLOGY;

D O I：

10.1177/0095244308088878

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The phase structure of blends consisting of polyvinyl chloride (PVC) and methyl methacrylate-butadiene-styrene graft copolymer (MBS) are examined by small-angle-X-ray scattering (SAXS). The interface layer thickness (sigma), correlation distance (a(c)), and interface layer specific surface area (S-sp) are calculated using Debye-Bueche's statistical theory. The results show that the grafted sequence of styrene or methyl methacrylate to butadiene-styrene copolymer have significant influence on the values of sigma, a(c), and S-sp. The sigma-value of PVC/MBS in which styrene is first grafted in MBS is about 5 nm larger than that of methyl methacrylate (MMA) that is first grafted in MBS.

引用

页码：87 / 97

页数：11

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