Rheological, mechanical and thermal properties of propylene-ethylene block copolymer/polyalphaolefins blends

被引：2
|
作者：
Ha, H. S.
Kang, M. C.
Cho, H. H.
Kim, B. K. [1 ]
机构：
[1] Pusan Natl Univ, Dept Polymer Sci & Engn, Pusan 609735, South Korea
[2] Korea Petrochem Ind Co Ltd, Ulsan, South Korea
[3] Pusan Natl Univ, Natl Core Res Ctr, Pusan 609735, South Korea
[4] Pusan Natl Univ, Dept Organ Mat Sci & Engn, Pusan 609735, South Korea
来源：
POLYMER ENGINEERING AND SCIENCE | 2007年 / 47卷 / 11期
关键词：
D O I：
10.1002/pen.20907
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The rheological, thermal, and mechanical properties of propylene-ethylene block copolymer (PPB) blends with predominantly atactic molecular structure of low molecular weight polypropylene and propylene copolymers with either ethylene or 1-butene (APAO) have been studied. It has been found that blend properties depend on comonomer type, content, and molecular weight of APAO as well as blend composition. APAO having ethylene comonomer showed better miscibility with PPB than the other ones, and high comonomer content of APAOs gave dramatic increase in impact strength over 30 wt%. It has been concluded that APAO can be used as an effective modifier of PPB.
引用
收藏
页码：1905 / 1911
页数：7
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