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Preparation and Performance of Dicyclopentadiene Dioxide Epoxy/Polyurethane IPNs
Author(s): 
Pages: 8-11
Year: Issue:  1
Journal: PAINT & COATINGS INDUSTRY

Keyword:  二氧化双环戊二烯环氧树脂聚氨酯互穿网络微观形貌固化剂;
Abstract: 制备了新型二氧化双环戊二烯环氧树脂(DCPDE)/聚氨酯(PU)互穿聚合物网络(DCPDE/PU IPNs).采用红外光谱法对互穿聚合物网络的结构进行了表征.对不同固化体系的热稳定性、力学性能和涂膜的微观形貌进行了研究.研究结果表明:互穿聚合物网络的形成,提高了二氧化双环戊二烯环氧树脂的弯曲强度、附着力和耐冲击性.固化剂的加入改进了聚氨酯/环氧树脂互穿网络的耐热性能.增韧改性后的环氧树脂比改性之前的环氧树脂呈现明显的两相结构.
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