Release Time:2023-07-17  Hits:

Date of Publication: 2022-10-09

Journal: 材料科学与工艺

Institution: 化工学院

Issue: 4

Page Number: 389-392

ISSN: 1005-0299

Abstract: 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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