Effect of EPDM on the mechanical properties of blends of high and low density polyethylene

被引：4
|
作者：
Olayo, R
Manzur, A
Llamas, JH
Escobar, A
机构：
[1] Univ Autonoma Metropolitana Iztapalapa, Dept Fis, Mexico City 09340, DF, Mexico
[2] Univ Autonoma Metropolitana Iztapalapa, Dept Ingn Proc & Hidraul, Mexico City 09340, DF, Mexico
来源：
POLYMER BULLETIN | 1998年 / 41卷 / 01期
关键词：
D O I：
10.1007/s002890050338
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We studied the effect of adding ethylene-propylene-diene rubber (EPDM) to blends of high (HDPE) and low (LDPE) density polyethylene. The extrusion torque of the blend without EPDM shows a deviation from the linear addition rule, but blends with rubber follow the addition rule. Two composition regions that are compatible with the torque behavior are present in the Young's modulus and extension at break curves. The EPDM content improves the extension at break of LDPE rich blends. This improvement extends to higher compositions of HDPE as the EPDM content is increased.
引用
收藏
页码：99 / 105
页数：7
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