引用本文:
刘冶球, 许家瑞. 聚丙烯-g-聚氨酯共聚物组成对其结晶行为的影响[J]. 应用化学,
2002, 19(8): 719-722.
Citation: LIU Ye-Qiu, XU Jia-Rui. Effects of Copolymer Composition on the Crystallization Behavior of Polypropylene-g-Polyurethane[J]. Chinese Journal of Applied Chemistry, 2002, 19(8): 719-722.
Citation: LIU Ye-Qiu, XU Jia-Rui. Effects of Copolymer Composition on the Crystallization Behavior of Polypropylene-g-Polyurethane[J]. Chinese Journal of Applied Chemistry, 2002, 19(8): 719-722.
聚丙烯-g-聚氨酯共聚物组成对其结晶行为的影响
English
Effects of Copolymer Composition on the Crystallization Behavior of Polypropylene-g-Polyurethane
Abstract:
The effects of polyurethane(PU) branches on the crystallization behavior of polypropylene grafted with polyurethane(PP-g-PU) have been studied by DSC and WAXD techniques. The results showed that the presence of PU branches could lower the melting temperature and increase the crystallization temperature of the copolymers. The apparent crystallization rate of PP-g-PU increased with increase of the PU content in the samples. The growth direction of the crystallites was found to be varied with the content of PU in the copolymers.
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Key words:
- polypropylene
- / polyurethane
- / graft copolymer
- / crystallization behavior
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