引用本文:
齐宇颂, 曾兆华, 杨建文, 陈用烈. 有机硅改性聚氨酯丙烯酸酯光-潮气双固化体系[J]. 应用化学,
2004, 21(9): 918-922.
Citation: QI Yu-Song, ZENG Zhao-Hua, YANG Jian-Wen, CHEN Yong-Lie. Study on Silicone Modified UV-Moisture Dual Curable Polyurethane-Acrylate[J]. Chinese Journal of Applied Chemistry, 2004, 21(9): 918-922.
Citation: QI Yu-Song, ZENG Zhao-Hua, YANG Jian-Wen, CHEN Yong-Lie. Study on Silicone Modified UV-Moisture Dual Curable Polyurethane-Acrylate[J]. Chinese Journal of Applied Chemistry, 2004, 21(9): 918-922.
有机硅改性聚氨酯丙烯酸酯光-潮气双固化体系
English
Study on Silicone Modified UV-Moisture Dual Curable Polyurethane-Acrylate
Abstract:
A silicone modified polyurethane-acrylate(Si-PUA) prepolymer was prepared from 2-hydroxyethyl methacrylate, isophorone diisocyanate, and bis[3-(triethoxysilyl)propyl]amine. The Si-PUA prepolymer exhibits the behavior of Bingham fluids. The polydispersity of the prepolymer was 1.12 by GPC. The curing behavior of the Si-PUA prepolymer was investigated by FTIR and photo-DSC(DPC), tne it was found that the conversion of acrylate double bonds was 56.3% under ultraviolet irradation. The properties of the UV-cured and moisture-cured films were studied by TG and other measurements, and it was found that the UV-cured films were superior to the moisture-cured ones in electrical, physical properties and thermal stability.
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Key words:
- polyurethane acrylate
- / silicone
- / photocurable
- / moisture curable
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