POLYMERIC PHOTOSTABILIZER FOR FIBER AND FLAME-RETARDANT ACRYLIC FIBER HAVING EXCELLENT LIGHT RESISTANCE AND PRODUCED BY USING THE STABILIZER

摘要

PROBLEM TO BE SOLVED: To provide a polymeric photostabilizer for fiber having remarkably improved light resistance and excellent compatibility, transparency and long-term stability and provide a flame-retardant acrylic fiber having excellent light resistance by using the photostabilizer. SOLUTION: The polymeric photostabilizer for fiber contains a copolymer produced by polymerizing (a) at least one kind of ultraviolet-absorbing monomer selected from benzophenone-type ultraviolet absorbing monomer and benzotriazole-type ultraviolet absorbing monomer, (b) a radically polymerizable hindered amine photostabilizer and (c) a vinyl monomer copolymerizable with the above monomers as essential monomer components.