Patent ID: 8367764
Filing Date: 2013-02-05
Classification: C08F,C08L,E04F,Y10T

Abstract:
1. Composite material comprising a highly filled flooring, comprising: a) from 70 to 95 weight percent of one or more fillers, at least one filler selected from the group consisting of cellulosic fibers, calcium carbonate, rosin, limestone, aluminum trihydrate, silica and quartz; b) from 1 to 15 weight percent of polyvinyl chloride or chlorinated polyvinyl chloride; c) from 0.5 to 4 weight percent of an acrylic copolymer, wherein said acrylic copolymer comprises from 50 to 79 weight percent of methyl methacrylate units and from 20 to 50 weight percent of at least one other acrylic monomer unit, wherein said copolymer has a Tg of less than 90° C., and wherein said acrylic copolymer has a weight average molecular weight of from 2 million to 10 million; and d) optionally other adjuvants; the total adding to 100 weight percent.