HYDROPHILIC POLYURETHANE POLYMERS DERIVED FROM A MDI-BASED ISOCYANATE-TERMINATED PREPOLYMER
摘要
<p>The present invention relates an MDI-based isocyanate-terminated prepolymer suitable for preparing a hydrophilic polyurethane polymer. The MDI-based composition comprises a prepolymer obtained by reacting isocyanate mixture comprising 2,4'-methylene diphenylisocyanate (MDI) and 4,4'-methylene diphenylisocyanate in a molar ratio of from 25:75 to 80:20 with a polyether polyol having an oxyethylene content of at least 30 percent by weight.</p>
申请公布号
WO2004074343(A1)
申请公布日期
2004.09.02
申请号
WO2004US03458
申请日期
2004.02.06
申请人
DOW GLOBAL TECHNOLOGIES INC.;THIEDE, VERENA;LOPEZ, NETZA, B.;PELLACANI, LUIGI;PARKS, FRANKLIN, E.
发明人
THIEDE, VERENA;LOPEZ, NETZA, B.;PELLACANI, LUIGI;PARKS, FRANKLIN, E.