C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
154/140, 402/183
C08G 69/44 (2006.01)
Patent
CA 1225190
Novel Polyesteramides and Containers Having Improved Gas Barrier Properties Formed Therefrom Abstract The present invention provides novel polyester- amides and containers having improved gas barrier properties formed therefrom. The novel polyester- amides comprise the reaction product of a diamine having 2 to about 20 carbon atoms, a diol containing up to about 24 carbon atoms, and a dicarboxylic acid component. The dicarboxylic acid component consists essentially of about 5 to 100 mole % of a specified first, heteroatom-containing dicarboxylic acid, and 0 to about 95 mole % of a second dicarboxylic acid containing up to about 24 carbon atoms. In the poly- esteramide, the diamine component comprises about 10 to 90 mole % of the total diamine and diol com- ponents. The present invention further provides con- tainers, such as molded containers, films, coextruded articles, laminated articles, etc., formed from the polyesteramides of the present invention.
476355
Barbee Robert B.
Bass Roy K.
Davis Burns
Minnick Larry A.
Barbee Robert B.
Bass Roy K.
Davis Burns
Gowling Lafleur Henderson Llp
Minnick Larry A.
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