Photodegradation of polycaprolactone/poly(vinyl chloride) blend

被引：30
|
作者：
Christensen, P. A. [2 ]
Egerton, T. A. [2 ]
Martins-Franchetti, S. M. [1 ]
Jin, Changqing [2 ]
White, Jr. [2 ]
机构：
[1] Univ State Julio Mesquita Filho UNESP, Dept Biochem & Microbiol, Rio Claro, SP, Brazil
[2] Univ Newcastle Upon Tyne, Sch Chem Engn & Adv Mat, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
来源：
POLYMER DEGRADATION AND STABILITY | 2008年 / 93卷 / 01期
关键词：
photodegradation; PVC; PCL; blend;
D O I：
10.1016/j.polymdegradstab.2007.08.008
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The photodegradation of a 1:1 w/w blend of polycaprolactone and poly(vinyl chloride) has been studied by following carbon dioxide emission during UV exposure. Similar measurements were performed for polycaprolactone and poly(vinyl chloride) homopolymers which were prepared and irradiated in the same way. It was found that the blend gave lower CO2 emission than either of the two homopolymers, indicating that the interaction of the two components in the blend provided a beneficial reduction of photodegradation. It is therefore deduced that the detailed morphological characteristics of the blend have a controlling influence over the photo-oxidation. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：305 / 309
页数：5
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