Patent ID: 8420589

Claim:
A softening method of textile using a sheet for textile softener comprising introducing the sheet for textile softener at a rinse time of washing procedures; wherein the sheet for textile softener comprising a substrate sheet; and a composition for textile softener, applied or supported on the substrate sheet, wherein the composition being dispersed in low temperature water and comprising one or more cationic surfactants represented by Formula 1, 2 or 3 below, wherein the cationic surfactant complies with Mathematical Formula 1 below: 0.6 ≦Q/T≦ 0.9 Mathematical Formula 1 wherein, R 1 , R 2 , R 5 , R 6 and R 7 each are a straight or branched, C 7 -C 21 alkyl group, C 7 -C 21 alkenyl group or C 7 -C 21 alkynyl group, R 3 and R 4 each are a C 1 -C 4 alkyl group, A is a C 1 -C 4 alkyl group, (CH 2 ) n OH or (CH 2 ) m OCOR 8 , B is (CH 2 ) n OH or (CH 2 ) m OCOR 9 , where, n and m each are an integer of 1 to 4, R 8 and R 9 each are a straight or branched, C 7 -C 21 alkyl group, C 7 -C 21 alkenyl group or C 7 -C 21 alkynyl group, X is halogen or a C 1 -C 4 alkyl sulfate, T is a total area of peaks for the C 7 -C 21 alkyl group, C 7 -C 21 alkenyl group and C 7 -C 21 alkynyl group in the R 1 , R 2 , R 5 , R 6 , R 7 , A and B above, detected by high pressure liquid chromatography or gas chromatography, and Q is a total area of peaks for the saturated hydrocarbons, that is the C 7 -C 21 alkyl group in the R 1 , R 2 , R 5 , R 6 , R 7 , A and B above, detected by high pressure liquid chromatography or gas chromatography.