<p>The invention provides a multi-layer film having a barrier layer of a thermoplastic material and on at least one side thereof a seal polymer derived of ethylene and an ethylenically unsaturated ester which is RF weldable in which the seal polymer has an anti-block matted surface. The film has barrier properties and can be used to package liquids in pouches.</p>
申请公布号
EP0477025(A2)
申请公布日期
1992.03.25
申请号
EP19910308589
申请日期
1991.09.20
申请人
EXXON CHEMICAL PATENTS INC.
发明人
OHLSSON, STEFAN BERTIL;DE CAMBOURG, PHILIPPE;LEYSON, WILLY JOZEF JOANNA