PROCESS TO MAKE SYNTHETIC LEATHER AND SYNTHETIC LEATHER MADE THEREFROM
摘要
<p>A synthetic leather is made by a impregnating a non-woven or woven textile with an aqueous polyurethane dispersion comprised of a nonionizable polyurethane and an external stabilizing surfactant. The impregnated textile is then exposed to water containing a coagulant for a coagulation time sufficient to coagulate the dispersion. The method may be used to form a synthetic leather having excellent wet ply adhesion and may contain an insoluble multivalent cation organic acid.</p>
申请公布号
EP1581690(B1)
申请公布日期
2012.04.25
申请号
EP20030814568
申请日期
2003.06.27
申请人
DOW GLOBAL TECHNOLOGIES LLC
发明人
MOBLEY, LARRY, W.;SUBRAMANIAN, RAMKI;SKAGGS, KENNETH, W.;ZHOU, WEIJUN;BHATTACHARJEE, DEBKUMAR;MOORE, ROGER