Patent ID: 6248821
Filing Date: 2001-06-19
Classification: C08K,C09K,D03D,D06M,Y10S,Y10T

Abstract:
A flame retardant suitable for use in mesh sheets comprising:a polyolefin resin aqueous dispersion having a resin solid content of 25-75 wt %,40 to 130 parts by weight of an ammonium polyphosphate compound based on 100 parts by weight of said polyolefin resin aqueous dispersion, and60 to 150 parts by weight of a metal hydroxide based on 100 parts by weight of the solid content of said polyolefin resin aqueous dispersion,wherein said flame retardant is prepared by:blending an aqueous dispersion of an ethylene-vinyl acetate-acrylic ester copolymer of 5 to 30 wt % of ethylene, 10 to 75 wt % of vinyl acetate and 20 to 85 wt % of acrylic ester, having a resin solid content of 25 to 75 wt %, with a polyurethane aqueous dispersion having a solid content of 25 to 70 wt % in a solid content ratio of 90/10 to 30/70, andadding 40 to 130 parts by weight of the ammonium polyphosphate compound and 60 to 150 parts by weight of the metal hydroxide based on 100 parts by weight of the total resin solid content.