摘要 |
<p>Purified diisocyanate polyetherurethane prepolymers and process therefor. Polyetherurethane urea polymers prepared by mixing said prepolymers with an aqueous solution of an amino, ureido or hydroxy substituted amine or a like-substituted alpha-amino acid, and a method of using same as a space filling adhesive sealant in surgery.</p> |