Patent ID: 6403682
Filing Date: 2002-06-11
Classification: C08G,C08K,D01F

Abstract:
Spandex containing about 3-100 meq of quaternary amine functionality/kg of spandex wherein the quaternary amine is an additive selected from the group consisting of:(a) oligomers comprising the reaction product of at least one diisocyanate selected from the group consisting of 1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene, 1-isocyanato-2-[(4-isocyanatophenyl)methyl]benzene, 4-methyl-1,3-phenylene diisocyanate, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethyl-cyclohexane, 1,6-diisocyanatohexane and bis(4-isocyanatocyclohexyl)methane), and at least one quaternary amine selected from the group consisting of N,N-dialkyl-N,N-dialkanolammonium chlorides and N,N-dialkyl-N,N-dialkanolammonium alkylsulfates, wherein the alkanol grouping contains 2-4 carbon atoms; (b) quaternary amines having a structure wherein at least one of A and E is an alkyl or alkenyl group having about 10-22 carbon atoms, a mixture of such groups, or such groups including an or moiety, B is an alkyl group having up to three carbon atoms, D is selected from the group consisting of A, linear and branched alkyl and alkenyl groups having 1-9 carbon atoms, phenyl, benzyl, and â€”(CH2CH2O)yH groups wherein y is 1-10, and Y is either chloride or alkylsulfate ion; and(c) quaternary amines having a formula wherein Aâ€² is an alkyl or alkenyl group having about 9-21 carbon atoms, B is an alkyl group having up to three carbon atoms, D is selected from the group consisting of A, linear and branched alkyl and alkenyl groups having 1-9 carbon atoms, phenyl, benzyl, and â€”(CH2CH2O)yH groups wherein y is 1-10, and Y is either chloride or alkylsulfate ion.