Thermoformable acrylic sheet having uniform distribution of color and mineral filler

摘要

A composition suitable for making thermoformable sheets and the like. The composition comprises a crosslinked poly (methyl methacrylate) typically having uncrosslinked poly (methyl methacrylate) dispersed therein. The composition a comprises 0.5 to about 1.0 pph of at least one crosslinking agent x, and up to about 0.58x-0.28 pph of a at least one chain terminator. The composition also comprises about 0.1 to 8 pph poly (methyl methacrylate) compatible plasticizer, and has about 20 to 60 wt % solid particle dispersed therein.