Phosphorus-containing phenolic, thiophenolic or aminophenyl flame-retardant hardener, and epoxy resins cured thereby
申请人:National Science Council
公开号:US06613848B1
公开(公告)日:2003-09-02
A hardener for an epoxy resin comprises a phenolic, thiophenolic, aminophenyl, tris-phenolic, tris-thiophenolic, tris-aminophenyl, tetrakis-phenolic, tetrakis-thiophenolic, or tetrakis-aminophenyl compounds; or phenol-formaldehyde or phenol-formaldehyde/melamine-formaldehyde resins wherein the phenyl rings are substituted with at least one of the structures
wherein R1 and R2 independently are H, C1-C18 alkyl, C6-C18 aryl, C6-C18 substituted aryl, C6-C18 aryl methylene, or C6-C18 substituted aryl methylene; X is O, S or NH and Ar is
wherein R is C1-C4 alkyl and n=0-5.
一种环氧树脂的硬化剂包括酚醛、硫酚、氨基酚、三苯酚、三硫酚、三氨基苯、四苯酚、四硫酚或四氨基苯化合物;或者酚醛或酚醛/三聚氰胺醛树脂,其中苯环被取代为至少具有以下结构之一的结构,其中R1和R2独立地为H、C1-C18烷基、C6-C18芳基、C6-C18取代芳基、C6-C18芳基亚甲基或C6-C18取代芳基亚甲基;X为O、S或NH,Ar为其中R为C1-C4烷基,n=0-5。