PHASE-DIAGRAMS OF POLYETHYLENE BLENDS BY RAMAN-SPECTROSCOPY

被引：4
|
作者：
WANG, JG [1 ]
PANG, DR [1 ]
HUANG, BT [1 ]
机构：
[1] ACAD SINICA,CHANGCHUN INST APPL CHEM,CHANGCHUN 130022,PEOPLES R CHINA
来源：
POLYMER BULLETIN | 1990年 / 24卷 / 02期
关键词：
D O I：
10.1007/BF00297324
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The Raman internal mode region analysis of polyethylene (PE) is extended to studies of blends of different PEs so as to obtain a phase diagram showing the magnitude of crystalline (Pc), amorphous (Pa) and interfacial (Pb) phases at different compositions. The non-cocrystallizable HDPE/LDPE blends shows additivity in phase structure with blend composition. Enlarged share of Pb is seen for compatible blends of HDPE/LLDPE and especially for HDPE with VLDPE of low crystallinity. This method offers an easy access to direct observing compatibility of different PEs on a molecular level. © 1990 Springer-Verlag.
引用
收藏
页码：241 / 246
页数：6
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