C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) B29D 7/01 (2006.01) B32B 27/08 (2006.01)
Patent
CA 2118925
2118925 9306159 PCTABS00021 Films featuring improved barrier properties formed essentially from a polychlorotetrafluoroethylene having a number average molecular weight of about 1,000,000, or alternately a ZST of 200, preferably 150 and less. The films are useful in forming multilayer film structures, molded articles and the like which exhibit improved barrier properties to gases and vapors, particularly to water vapors. A process for producing such a film and particular articles formed incorporating the film are also disclosed.
Doherty John
Schneider Russell L.
Alliedsignal Inc.
Gowling Lafleur Henderson Llp
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