A resin system containing:
(i) a thermosetting resin precursor component comprising one or more multi-functional epoxy resin precursor(s) having a functionality of at least three, preferably wherein said precursor(s) are selected from a tri-functional epoxy resin precursor and/or a tetra-functional epoxy resin precursor;
(ii) a thermoplastic polyamide particle component wherein the polyamide particles have a melting temperature TPA; and
(iii) one or more curing agent(s),
wherein the resin precursor component, the thermoplastic particle and the curing agent(s) are selected such that gelation of the epoxy matrix during the cure cycle of the resin system occurs at a gelation temperature TGEL which is at or below TPA.
一种
树脂系统,含有
(i) 热固性
树脂前体组分,包括一种或多种多功能环氧
树脂前体,其官能度至少为 3,其中所述前体最好选自三官能环氧
树脂前体和/或四官能环氧
树脂前体;
(ii) 热塑性聚酰胺颗粒成分,其中聚酰胺颗粒的熔化温度为
TPA;以及
(iii) 一种或多种固化剂、
其中
树脂前体组分、热塑性粒子和固化剂的选择应使
树脂系统固化周期中环氧基体的凝胶化发生在凝胶化温度 TGEL(
TPA 或低于
TPA)时。