A foamable article is disclosed. The article includes a substrate and an outer layer covering at least a portion of the substrate and including an unactivated expandable sphere foaming agent and an unactivated chemical foaming agent. The unactivated foaming agents may be activated to increase the volume of the outer layer.
申请公布号
WO2014011413(A3)
申请公布日期
2014.05.30
申请号
WO2013US48463
申请日期
2013.06.28
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
HAMER, JEFFREY L.;SEVILLE, ALAN R.;TEETERS, KENNETH F.