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MORPHOLOGY OF POLYETHYLENE BLENDS .1. FROM SPHERES TO FIBRILS AND EXTENDED CO-CONTINUOUS PHASES IN BLENDS OF POLYETHYLENE WITH STYRENE ISOPRENE STYRENE TRIBLOCK COPOLYMERS

被引：18
作者：
DAVID, C
TROJAN, M
JACOBS, R
PIENS, M
机构：
[1] UCB,SIDAC,B-9000 GHENT,BELGIUM
[2] COATINGS RES INST,B-1342 LIMELETTE,BELGIUM
来源：
POLYMER | 1991年 / 32卷 / 03期
关键词：
MORPHOLOGY; POLYETHYLENE; BLENDS; SCANNING ELECTRON MICROSCOPY;
D O I：
10.1016/0032-3861(91)90458-U
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Blends containing 85% polyethylene (LDPE/LLDPE) and 15% styrene-isoprene-styrene triblock copolymers have been obtained using a single screw extruder fitted with different exit dies (annular, flat and capillary). The morphology of the blends has been investigated by scanning electron microscopy and related to the extrusion conditions (type of die, presence or absence of melt drawing). Spheres, elongated droplets, fibrils and extended co-continuous phases have been observed.
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页码：510 / 515
页数：6
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