发明授权
US5948543A Laminate base material, a method of producing the same, a prepreg and a laminate 失效
叠层基材,其制造方法,预浸料和层压体

Laminate base material, a method of producing the same, a prepreg and a
laminate
摘要:
A laminate base material of aromatic polyamide fiber non-woven fabric which comprises a combined non-woven fabric of para-aramid fibers and meta-aramid fibers bonded with each other by a resin binder such as an epoxy resin binder and meta-aramid fibres being thermally adhered to each other and meta-aramid fibers being thermally adhered to para-aramid fibers while they are passing through a pair of thermal rolls and heated and pressed by them and the meta-aramid fibers being included preferably by 5 through 30 weight %.
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