C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 75/30 (2006.01) C08G 59/40 (2006.01) C08G 59/44 (2006.01)
Patent
CA 2099864
2099864 9300387 PCTABS00019 Hydroxy-functional poly(ether sulfonamides) prepared by polymerizing an N,N'-dialkyl or N,N'-diaryldisulfonamide with a diepoxide in the presence of a suitable catalyst exhibit high barrier properties. These are suitable for use in the manufacture of articles such as rigid containers and flexible films exhibiting high barrier to oxygen.
Haag Anthony P.
Pews R. Garth
White Jerry E.
Smart & Biggar
The Dow Chemical Company
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