宇航材料工艺2024，Vol.54Issue(4)：51-56,6.DOI:10.12044/j.issn.1007-2330.2024.04.007
液体缠绕工艺用阻燃环氧树脂性能研究
Study on the Properties of Flame Retardant Epoxy for Liquid Winding Process
郑文海 1张华 2关延飞 1周金岑 1臧千1
作者信息
- 1. 航天材料及工艺研究所,北京 100076
- 2. 北京宇航高科新材料有限公司,北京 100076
- 折叠
摘要
Abstract
Aiming at the flame retardant modification of epoxy resin by liquid winding process,the effect of flame retardant addition amount on the properties of resin and composite material was studied.The results show that the viscosity of the resin decreases slightly with the addition of flame retardant,and the curing reactivity does not change significantly.With the increase of flame retardant content,the tensile strength of epoxy resin is basically stable but the impact strength is decreases.The impact strength of epoxy resin added with 30 phr flame retardant is decreased by 44.1％compared with 0 phr.In addition,with the increase of flame retardant content,the thermal decomposition stability of resin is improved,but excessive addition of flame retardant components is not conducive to the stable formation of carbonized layer.According to the above research,the resin system with 20 phr flame retardant additive has the best flame retardant effect,the 50 W vertical combustion test results reach V-0 level,and the mechanical properties have a good retention rate.The tensile strength of NOL ring prepared by modified resin on T700SC reached 2 790 MPa,and the interlayer shear strength is 50.7 MPa.The modified resin and fiber have good interfacial bonding.关键词
环氧树脂/缠绕工艺/阻燃性能/力学性能Key words
Epoxy resin/Winding process/Flame retardant properties/Mechanical properties分类
通用工业技术引用本文复制引用
郑文海,张华,关延飞,周金岑,臧千..液体缠绕工艺用阻燃环氧树脂性能研究[J].宇航材料工艺,2024,54(4):51-56,6.
