引用本文:
董岸杰, 冯士有, 万同, 孙多先. 核-壳结构聚丙烯酸酯-聚氨酯微乳液膜的相行为[J]. 应用化学,
1998, 15(6): 16-20.
Citation: Dong Anjie, Feng Shiyou, Wan Tong, Sun Duoxian. Phase Behaviour of Core-Shell Type Polyacrylate- Polyurethane Microemulsion Cast Films[J]. Chinese Journal of Applied Chemistry, 1998, 15(6): 16-20.
Citation: Dong Anjie, Feng Shiyou, Wan Tong, Sun Duoxian. Phase Behaviour of Core-Shell Type Polyacrylate- Polyurethane Microemulsion Cast Films[J]. Chinese Journal of Applied Chemistry, 1998, 15(6): 16-20.
核-壳结构聚丙烯酸酯-聚氨酯微乳液膜的相行为
摘要:
用动态力学、红外光谱和差热分析方法研究了非交联核-壳结构聚丙烯酸酯-聚氨酯(PAC-PU)微乳液膜的相行为.结果表明:核壳间的氢键增强了壳层软硬段间的相分离,同时破坏了硬段相中的短程有序结构,但增强了核壳相容性.
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关键词:
- 聚丙烯酸酯-聚氨酯微乳液膜
- / 相分离
- / 核-壳结构
English
Phase Behaviour of Core-Shell Type Polyacrylate- Polyurethane Microemulsion Cast Films
Abstract:
The phase separation of the core-shell type polyacrylate-polyurethane cast films has been studied by mechanodynamic test, IR and DSC methods. The results indicated that the existence of hydrogen bondings between acetone C=O in the core and - NH in the shell improves the phase separation of the soft and hard segments in the shell, and also improves the compatibility of the core and shell, breaking the short range order of the hard segments.
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