Morphology of polyethylene blended with thermotropic hydroxyethyl cellulose acetate

被引：0
|
作者：
Chen, JM
Huang, Y [1 ]
Wang, HL
Shen, JR
机构：
[1] Chinese Acad Sci, Guangzhou Inst Chem, Lab Cellulose & Ligoncellulos Chem, Guangzhou 510650, Peoples R China
[2] S China Univ Technol, Dept Polymer Mat Sci & Engn, Guangzhou 510641, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 1998年 / 67卷 / 07期
关键词：
polyethylene; thermotropic hydroxyethyl cellulose acetate; blend; morphology;
D O I：
10.1002/(SICI)1097-4628(19980214)67:7<1285::AID-APP19>3.0.CO;2-0
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Morphology of low-density polyethylene (PE)/thermotropic hydroxyethyl cellulose acetate (HECA) blends, and the melting and crystallization behavior of PE in the blends were studied. The "sea island" morphology was observed in PE/HECA blends. The process of melting and crystallization of PE in blends was independent of the HECA fraction when the PE fraction was larger than 50 wt %. When the PE fraction is smaller than 20 wt %, however, multiple crystallization was observed in the low temperature region. HECA was incompatible with PE crystals in the blends, but partially compatible with the amorphous part of PEI HECA could exist between the PE lamellae in PE spherulites, and concentric ring morphology was observed in spherulites. (C) 1998 John Wiley & Sons, Inc.
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收藏
页码：1285 / 1291
页数：7
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