TRANSPARENT PLATEMATERIALE AV PLAST MED HOEY OPTISK KVALITET

摘要

The invention relates to a sheet of transparent plastic material of high optical quality. / p & & p & the sheet according to the invention comprises a layer having the properties of the energy absorber formed essentially of a polyurethane obtained by coulee reactive on a flat horizontal support, a reaction mixture of an isocyanate component of a lower viscosity has 5000centipoises has 40c, and a polyol component, the isocyanate component comprising at least one aliphatic or cycloaliphatic diisocyanate or a prepolymer of isocyanate, the polyol component comprising at least one long polyol dysfunctional is a continuation of mass between 500 and 4000 and at least one short diol as an agent of elongation of the chain. / p & & p & the sheet can be used in the glazings sheets, in particular, the bumper - windshield of a vehicle.