Crystallization of Poly (ethylene glycol) in Poly (methyl methacrylate) Networks

被引：40
|
作者：
Li, Yong [1 ]
Ma, Qiuhua [2 ]
Huang, Caiyi [3 ]
Liu, Guoqin [2 ]
机构：
[1] North China Univ Water Conservancy & Elect Power, Sch Mech Engn, Zhengzhou 450045, Peoples R China
[2] Henan Univ Technol, Coll Mat Sci & Engn, Zhengzhou 450000, Peoples R China
[3] Ningbo Univ, Fac Sci, Ningbo 315211, Zhejiang, Peoples R China
来源：
MATERIALS SCIENCE-MEDZIAGOTYRA | 2013年 / 19卷 / 02期
关键词：
poly(ethylene glycol); poly(methyl methacrylate); spherulitic; crystallization; melting point; OXIDE) POLY(METHYL METHACRYLATE); POLY(ETHYLENE OXIDE); BLENDS; MORPHOLOGY; POLYETHYLENE; SPHERULITES; MISCIBILITY; NMR;
D O I：
10.5755/j01.ms.19.2.4430
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The crystallization of poly(ethylene glycol) (PEG) in poly(methyl methacrylate) (PMMA) networks were studied, which was compared with that of PEG homopolymer. Melting point (T-m) of PEG in PMMA networks is lower than that of pure PEG; the crystallinity and T(m)s of PEG in PMMA networks somewhat increase with increasing of PEG content; the cross-linker content of PMMA networks plays an important role for the crystallization of PEG. When the cross-linker content is between 3.5 wt% and 5.8 wt%, the distinct endothermic peak of PEG crystal fusion can be observed. Optical microscopic observation of the crystallized PEG in PMMA networks showed spherulite formation, indicating there was the co-continuous crystalline PEG in PMMA networks.
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页码：147 / 151
页数：5
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