Polyester containers having improved gas barrier properties

Details Polyester containers having improved gas barrier properties Polyester containers having improved gas barrier properties

C - Chemistry, Metallurgy

08

G

217/20, 402/202

C08G 63/66 (2006.01) C08G 63/672 (2006.01)

Patent

CA 1220890

Polyester Containers Having Improved Gas Barrier Properties Abstract The present invention provides containers having improved resistance to gas permeability. The con- tainers are formed from a polyester resin which com- prises the reaction product of a diol containing up to bout 8 carbon atoms and a diacid component which com- prises about 5 to 100 mole percent of a first diacid selected from 1,4-phenylenedioxy diacetic acid, 1,3-phenylenedioxy diacetic acid, 1,2-phenylenedioxy diacetic acid, and mixtures thereof, and 0 to about 95 mole percent of terephthalic acid. The polyester resin has an inherent viscosity of about 0.5 to 1.5. the containers which are provided by the present invention may be in the form of sheet, film, molded articles, such as bottles, and other such structures. TR0341B

449938

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