Mechanical, Water-Swelling, and Morphological Properties of Water-Swellable Thermoplastic Vulcanizates Based on High Density Polyethylene/Chlorinated Polyethylene/Nitrile Butadiene Rubber/Cross-Linked Sodium Polyacrylate Blends

被引：7
|
作者：
Wei, Dongya [1 ]
He, Ning [2 ]
Zhao, Jing [1 ]
Wang, Zhaobo [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China
[2] Qingdao Prod Qual Supervis & Testing Res Ctr, Qingdao, Peoples R China
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2015年 / 54卷 / 06期
关键词：
Cross-linked sodium polyacrylate; Dynamic vulcanization; High density polyethylene; Morphology; Nitrile butadiene rubber; Water-swellable; BEHAVIOR;
D O I：
10.1080/03602559.2014.974191
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A novel water-swellable rubber (WSR) had been prepared by dynamically vulcanized high density polyethylene (HDPE)/chlorinated polyethylene (CPE)/nitrile butadiene rubber (NBR) blends where a cross-linked poly(sodium acrylate) (CPNaAA) was used as a super water-absorbent resin. The mechanical, water-swelling and morphological properties of the WSRs were investigated. Increasing CPNaAA dosages, mechanical properties of WSRs decreased while water-swelling ratio were increased significantly; moreover, swelling ratio of WSRs with 70 phr CPNaAA was reached 956.7% at 55 h. Morphological studies showed that CPNaAA were dispersed randomly in the TPVs, and significant gaps could be found in the surface of dried WSRs.
引用
收藏
页码：616 / 624
页数：9
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