Patent ID: 6127029
Filing Date: 2000-10-03
Classification: C08G,Y10T

Abstract:
A reinforcing material surface-treated with an aqueous surface-treating agent comprising a carbodiimide compound of the formula:R.sub.2 --NCN--(R.sub.1 --NCN).sub.n --R.sub.2wherein R.sub.1 is a residue of a diisocyanate compound selected from the group consisting of:m- or p-tetramethylxylylene diisocyanate,4,4'-dicylohexylmethane diisocyanate,isophorone diisocyanate,4,4'-diphenylmethane diisocyanate, and2,4- or 2,6-tolylene diisocyanate,R.sub.2 is a residue of a monoisocyanate selected from the group consisting of,cyclohexyl isocyanate,phenyl isocyanate, andbutyl isocyanate, andn is an integer of from 2 to 30; or a carbodiimide compound of the formula:Z--OOC--NH--(R.sub.3 --NCN).sub.n --R.sub.3 --NH--COO--Zwherein R.sub.3 is a residue of a diisocyanate compound selected from the group consisting of:m- or p-tetramethylxylylene diisocyanate,4. 4'-dicyclohexylmethane diisocyanate, andisophorone diisocoyanate,n is an integer of from 2 to 30, andZ is R.sub.8 --(O--CHR.sub.9 --CH.sub.2).sub.m --OHwherein R.sub.8 is a lower alkyl group having 1-4 carbon atoms, R.sub.9 is a hydrogen atom or a methyl group and m is an integer of from 4 to 30;said carbodiimide compound being water-soluble or self-emulsifiable, and wherein the reinforcing material before treatment with said aqueous surface-treating agent is an inorganic or organic powder or fiber.