NMR study of commercial poly(ethylene-co-vinyl acetate)

被引：7
|
作者：
de Souza, CMG [1 ]
Tavares, MIB [1 ]
机构：
[1] UFRJ, Inst Macromol Prof Eloisa Mano, Ctr Tecnol, BR-21945970 Rio De Janeiro, Brazil
来源：
POLYMER TESTING | 1998年 / 17卷 / 08期
关键词：
D O I：
10.1016/S0142-9418(97)00070-6
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Two poly(ethylene-co-vinyl acetate) materials with distinct vinyl acetate ratios were studied by nuclear magnetic resonance using solution and solid techniques. These studies were made in order to obtain a relation between the structure-properties-mobility and this response can be utilised in order to have precise information for new applications as well as better understanding of the material behaviour. The results showed that these polymers present characteristic mobilities as a function of vinyl acetate in the copolymer. Thus, as the quantity of vinyl acetate increases the dyads and tryads distribution and the molecular mobility in the copolymer change, as a consequence of the different commercial applications. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：533 / 541
页数：9
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