Nancy S. Marchant,Pallavi Kulkarni,Anthony J. Walder,Paul M. Basone,Shawn Lankowski,Juan Cebrián Puche,Sandra Mendez,Mireia Martin
申请号:
US15520661
公开号:
US20170319462A1
申请日:
2015.10.23
申请国别(地区):
US
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.