<p>Coextruded films having an one inner core layer of a polyamide homopolymer or copolymer, and an outer layer on each side of the polyamide core of a blend of a polyolefin homopolymer or copolymer and an adhesive composition which comprises a polyolefin having at least one functional moiety of an unsaturated carboxylic acid and/or anhydride thereof. The coextruded films are typically prepared by a blown film technique. Such structures are suitable for use as release and barrier films for sheet molding and other reinforced plastic applications.</p>
申请公布号
DE69731631(T2)
申请公布日期
2005.03.31
申请号
DE1997631631T
申请日期
1997.06.10
申请人
PLIANT CORPORATION, SCHAUMBURG
发明人
TSAI, LAWRENCE;ALTMAN, ELLIOT;DEGRASSI, ALFIERI;MENNIG, JOHN;MESSA, FRANCIS