<p>A polymeric film comprising a substrate layer of polymeric material having on at least one surface thereof a coating layer comprising vermiculite platelets wherein 50 to 100% by number of the platelets have a particle size in the range 0.5 to 5.0 mu m. The film exhibits oxygen barrier properties and is suitable for use as a packaging film. <IMAGE></p>
申请公布号
EP0498569(A2)
申请公布日期
1992.08.12
申请号
EP19920300818
申请日期
1992.01.30
申请人
IMPERIAL CHEMICAL INDUSTRIES PLC
发明人
HARRISON, ANTHONY GARRY;HIGGINS, DAVID EDWARD;MEREDITH, WILLIAM NEVILLE EUGEN