SOLVENT BLOCKERS AND MULTILAYER BARRIER COATINGS FOR THIN FILMS
摘要
A film comprising alternating layers of polyvinylidene chloride resin and a solvent barrier such as polyvinyl alcohol provides superior barrier properties. Barrier and mechanical properties are enhanced when formulation additives are present at customary levels only in the outermost layers.
申请公布号
US5102699(A)
申请公布日期
1992.04.07
申请号
US19900565124
申请日期
1990.08.10
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
BEESON, CHARLES L.;COLE, RAYMOND T.;DEAK, GEDEON I.;LEIDOLF, JR., HARBESON H.