ABS增韧树脂的本体法制备和力学性能

材料研究学报

2010, Vol. 24

Issue (1): 55-60

研究论文

本期目录 | 过刊浏览

ABS增韧树脂的本体法制备和力学性能

于志省^1;2; 李杨^1;2; 王超先³; 王少鹏³; 王玉荣^1;2; 宋顺玺¹

1.大连理工大学化工学院高分子材料系大连 116012
2.辽宁省高分子科学与工程重点实验室大连 116012
3.中国石化北京燕山石化公司研究院北京 102500

Preparation and Mechanical Properties of Toughened ABS Resin via Bulk Polymerization

YU Zhisheng ^1;2; LI Yang ^1;2 ; WANG Chaoxian ³; WANG Shaopeng ³ ;WANG Yurong ^1;2; SONG Shunxi¹

1.Department of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116012
2.Liaoning Key Laboratory of Polymer Science and Engineering; Dalian 116012
3.Research Institute of Beijing Yanshan Petrochemical Corporation; SINOPEC; Beijing 102500

引用本文:

于志省李杨王超先王少鹏王玉荣宋顺玺. ABS增韧树脂的本体法制备和力学性能[J]. 材料研究学报, 2010, 24(1): 55-60.
, . Preparation and Mechanical Properties of Toughened ABS Resin via Bulk Polymerization[J]. Chin J Mater Res, 2010, 24(1): 55-60.

全文: PDF(1020 KB)

摘要:

以聚丁二烯橡胶为增韧剂, 用本体聚合方法合成了一系列丙烯腈--丁二烯--苯乙烯三元共聚物(ABS), 并研究其力学性能。结果表明: 高顺胶BR9004的增韧效果最好, IZOD缺口冲击强度高达236.1 J/m, 与低顺胶700A的复合可使后者的综合力学性能提高(可与高桥8434牌号产品相媲美); 随着丙烯腈含量和树脂相分子量的增加,材料的IZOD缺口冲击强度、拉伸强度和断裂伸长率均有所提高; 而树脂的拉伸强度则随着橡胶含量的增加而降低; 在橡胶含量低于20\%时冲击强度随着橡胶含量增长迅速, 高于20%时增长缓慢。

关键词 ：有机高分子材料 , , 丙烯腈--丁二烯--苯乙烯三元共聚物 , 力学性能 , 本体聚合 , 聚丁二烯橡胶

Abstract：

A series of acrylonitrile–butadiene–styrene terpolymers (ABS) were synthesized by bulk polymerization using polybutadiene rubber as toughener. The mechanical properties of the resultant materials were investigated. The results show that high–cis rubber BR9004 has the best toughening effect far superior to the rest, and the IZOD notched impact strength of the relative material reaches 236.1 J/m; when it is combined with low–cis rubber 700A, the comprehensive mechanical properties of the later is comparable to Gaoqiao product (ABS 8434). The impact strength, tensile properties and elongation at break of materials increase with the increase of acrylonitrile content and molecular weight of resin phase. However, the tensile properties decrease with the rubber content increasing. The impact strength increases rapidly when the content of rubber is lower than 20%, but increases slowly when higher than 20%.

Key words： organic polymer materials, acrylonitrile&ndash butadiene&ndash styrene terpolymer, mechanical property, bulk polymerization, polybutadiene rubber

收稿日期: 2009-05-27

基金资助:

国家自然科学基金20774015和中国石油天然气集团公司中青年创新基金07E1034资助项目。

作者简介: Supported by National Natural Science Foundation of China No.20774015 and National Petroleum Corporation Innovation Fund of China No.07E1034.

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https://www.cjmr.org/CN/ 或 https://www.cjmr.org/CN/Y2010/V24/I1/55

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