Patent ID: 6749935
Filing Date: 2004-06-15
Classification: A63H,D01F,Y10T

Abstract:
A temperature-sensitive color-changeable composite fiber comprising:a phase-(A) thermochromic resin phase comprising a polyolefin resin in which a thermochromic material and, dispersed or dissolved therein, from 1 to 30 wt % based on phase-(A) of (i) an adhesive resin selected from the group consisting of a petroleum resin, a polyterpene resin, a polyisobutylene resin and an ionomer resin or (ii) a copolymer resin of an olefin with a unit monomer selected from the group consisting of maleic anhydride, vinyl alcohol, acrylonitrile, an acrylate and a methacrylate, said phase-(A) further comprising 0.1 to 30 wt % thermochromic material; and a phase-(B) resin phase selected from the group consisting of nylon 12, a copolymer nylon, polyhexamethylene terephthalate and a saturated aliphatic polyester; said phase-(A) and the phase-(B) being joined to each other.