<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
DE69206440(T2)
申请公布日期
1996.05.15
申请号
DE1992606440T
申请日期
1992.01.30
申请人
IMPERIAL CHEMICAL INDUSTRIES PLC, LONDON, GB
发明人
HARRISON, ANTHONY GARRY, MIDDLESBROUGH, CLEVELAND TS9 6PG, GB;HIGGINS, DAVID EDWARD, WHITBY, NORTH YORKSHIRE Y021 2HJ, GB;MEREDITH, WILLIAM NEVILLE EUGEN, STOCKTON ON TEES, CLEVELAND TS15 9TE, GB
