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发表时间:2022-10-09
发表刊物:材料科学与工艺
所属单位:化工学院
期号:4
页面范围:389-392
ISSN号:1005-0299
摘要:Epoxy resin system for wet pre-impregnating filament winding with long-term chemical stability was prepared by adding acetyl acetone transition-metal complex compound ([Mt(acac)n]), silane coupling agent and nano SiO2 to the epoxy resin/anhydride matrix. The temperature thixotropic phenomena of the resin system is investigated by FT-IR and SEM. Experimental results show that the nano SiO2/epoxy resin/anhydride system has temperature thixotropy, and the thixotropic temperature is (60 ± 5)°C. The system can be maintained more than 30 days at room temperature. These results satisfied the fundamental requirements of the epoxy resin system for wet pre-impregnating filament winding.
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