Patent ID: 6406788
Filing Date: 2002-06-18
Classification: C08G,C08K,C08L,D01F,Y10T

Abstract:
An elastic polyurethane fiber comprising polyurethane, metal compound particles that satisfy the following conditions (a), and a treating agent that satisfies the following conditions (b):(a) particles of one or more metal compounds selected from the group consisting of zinc oxide, magnesium oxide, zinc hydroxide, magnesium hydroxide, and a solid solution of zinc oxide and magnesium oxide; (b) one or more treating agents selected from the group consisting of fatty acids, styrene/maleic anhydride copolymers, esterified products of a styrene/maleic anhydride copolymer and phosphoric esters represented by the following formula (1): wherein R is a linear or branched alkyl group of 1 to 30 carbon atoms, an alkoxy polyoxyalkylene group, a cycloalkyl group of 5 to 6 carbon atoms, a cycloalkyl group of 5 to 6 carbon atoms substituted by an alkyl group of 1 to 10 carbons atoms, and a group formed by bonding an alkyleneoxy group having from 1 to 10 repeating units each having 2 to 3 carbon atoms to an alkyloxy group of 8 to 18 carbon atoms, and n is an integer of 1 to 2.