MARCHANT NANCY S,KULKARNI PALLAVI,WALDER ANTHONY J,BASONE PAUL M,LANKOWSKI SHAWN,CEBRIAN PUCHE JUAN,MENDEZ SANDRA,MARTIN MIREIA
申请号:
IN201717015159
公开号:
IN201717015159A
申请日:
2017.04.28
申请国别(地区):
IN
年份:
2017
代理人:
摘要:
A polymer film suited to use as a face mask or transdermal patch includes at least 30 wt. % of a thermoplastic polyurethane polymer which is the reaction product of a first polyether polyol having a molecular weight of at least 3000 daltons optionally a second polyether polyol having a molecular weight of no more than 2500 daltons at least one of a third polyol having a molecular weight of up to 800 daltons and a chain extender a diisocyanate optionally a catalyst. The film includes up to 5 wt. % water.