ABRASION RESISTANT COATING OF POLYETHER POLYURETHANE

摘要

Abrasion resistant coatings for use on plastic articles which coatings are the cured reaction products formed of (1) a polyfunctional biuret formed of an aliphatic diisocyanate and water and (2) a polyethylene glycol. Plastic articles include acrylic, cellulose propionate and polycarbonate substrates. Preferred embodiments of the invention are those containing little or no solvent.