Optical properties of polymer blends composed of poly(methyl methacrylate) and ethylene-vinyl acetate copolymer

被引：32

作者：

Takahashi, Shuji ^{[1
,2
]}

Okada, Hiroaki ^{[1
]}

Nobukawa, Shogo ^{[1
]}

Yamaguchi, Masayuki ^{[1
]}

机构：

[1] Japan Adv Inst Sci & Technol, Sch Mat Sci, Nomi, Ishikawa 9231292, Japan

[2] Suzuki Motor Corp, Dept Dev, Minami Ku, Hamamatsu, Shizuoka 4328611, Japan

来源：

EUROPEAN POLYMER JOURNAL | 2012年 / 48卷 / 05期

关键词：

Polymer blends; Transparency; Refractive index; Dynamic mechanical properties; IN-SITU POLYMERIZATION; RUBBER-TOUGHENED PMMA; MECHANICAL-PROPERTIES; REFRACTIVE-INDEX; TEMPERATURE; MISCIBILITY; PARTICLES; BEHAVIOR;

D O I：

10.1016/j.eurpolymj.2012.02.009

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Optical properties for immiscible polymer blends composed of poly(methyl methacrylate), PMMA, and ethylene-vinyl acetate copolymer (EVA) are studied employing various EVA samples with different vinyl acetate contents. PMMA/EVA shows transparency at room temperature when the difference in refractive index between both phases is small. The light transmittance, however, decreases with increasing the ambient temperature. This phenomenon is attributed to the difference in the volume expansion ratio, leading to the difference in refractive index, between PMMA and EVA. It is found that addition of tricresyl phosphate, TCP, improves the transparency and its temperature dependence. As a result, a ternary PMMA/EVA/TCP blend shows high level of transparency in the wide temperature range, although it has apparent phase separated morphology. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：974 / 980

页数：7

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