FOERFARANDE FOER FRAMSTAELLNING AV EN GJUTEN PLASTPRODUKT GENOM KOPOLYMERATION AV OMAETTADE URETANMONOMERER OCH EN VID FOERFARANDET ANVAEND POLYMERISERBAR SAMMANSAETTNING

摘要

Moulded plastics products are produced by in-mould copolymerisation of methyl methacrylate with a polyurethane polyacrylate or polymethacrylate derived from a hydroxyalkyl acrylate or methacrylate by reaction of hydroxyl groups thereof with the isocyanate groups of a polyisocyanate or urethane polyisocyanate having isocyanate functionality greater than 2.0.