OXIRANE (ETHYLENE OXIDE) POLYURETHANE COATINGS

摘要

The present invention relates to hydrophilic, i.e., water loving coatings (hereafter referred to as “WLC”). Polyurethane epoxy alkylene oxide coatings usable as coatings on for example, medical devices are a preferred WLC

主权项

1. A composition comprising epoxy urethane alkylene oxide of the formula (I):wherein:
a) m1 is a polyethylene oxide segment having an average molecular weight in the range of about 18,000 to about 2,000,000, and wherein m1=375 to about 41,667; (b) m2 is a poly[di(ethylene glycol)adipate] segment having an average molecular weight in the range of about 400 to about 10,000, and wherein m2=2 to about 50; and (c) m3 is a poly(tetrahydrofuran) segment having an average molecular weight in the range of about 1,000 to about 4,000,000 and wherein m3=11 to about 46.