100974-44-5Relevant articles and documents
Phosphorus-containing phenolic, thiophenolic or aminophenyl flame-retardant hardener, and epoxy resins cured thereby
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, (2008/06/13)
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 R1and R2independently are H, C1-C18alkyl, C6-C18aryl, C6-C18substituted aryl, C6-C18aryl methylene, or C6-C18substituted aryl methylene; X is O, S or NH and Ar is wherein R is C1-C4alkyl and n=0-5.