Moulded articles having a high filler content and preparation process thereof

摘要

Moulded articles obtainable by polymerization of dispersions comprising: A) from 20% to 35% by weight of an organic liquid formed by at least one polymerizable monomer and by one or more viscosity modifiers in an amount from 10 to 30% by weight with respect to the polymerizable monomer amount; B) from 55% to 80% by weight of milled and coloured quartzes having an average size from 0.07 to 2 mm; C) from 3 to 12% by weight of quartzes and/or milled cristobalites having an average size from 0.1 to 30 mu m.