| 摘要 |
PROBLEM TO BE SOLVED: To provide a temperature-sensitive thermochromic conjugated fiber having rich variation of a color change from a chromatic color (1) to a chromatic color (2) without deteriorating glossiness or strength of the fiber and useful for a fiber material, a knitted or a woven fabric, hair for a doll, etc. SOLUTION: A thermal color developing type reversible thermochromic material is dispersed in either one of phases of a resin phase (A) containing a thermochromic material in a thermoplastic resin of a core part and a protective resin phase (B) containing a thermochromic material in a thermoplastic resin of a sheath part in a core-sheath type temperature-sensitive thermochromic conjugated fiber prepared by joining the resin phase (A) to the protective resin phase (B). A thermally decoloring type reversible thermochromic material is dispersed in the other phase. COPYRIGHT: (C)2004,JPO&NCIPI
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