Patent ID: 8475915

Claim:
Methacrylic composition comprising (100-x-y) parts of at least one methacrylic polymer that is a homopolymer or copolymer of methyl methacrylate (MMA) having dispersed therein: x parts of particles of a thermoplastic polymer A comprising MMA as the main monomer that is either crosslinked or that has a weight-average molecular weight M w >300,000 g/mol (relative to a PMMA standard), with a weight-average diameter (ASTM D1921)>100 μm, and <500 μm; y parts of particles of a crosslinked thermoplastic polymer B comprising MMA as the main monomer, with a weight-average diameter (ASTM D1921) ranging from 15 to 70 μm; such that x is in the range of 2 to 20 and y is in the range of 10 to 25.