Copolyesters, method of making same and packaging materials

Details Copolyesters, method of making same and packaging materials Copolyesters, method of making same and packaging materials

C - Chemistry, Metallurgy

08

G

402/189

C08G 63/18 (2006.01)

Patent

CA 1162347

COPOLYESTERS, METHOD OF MAKING SAME AND PACKAGING MATERIALS. ABSTRACT Disclosed are copolyesters based on terephthalic acid, ethylene glycol and bis (4-.beta.-hydroxyethoxyphenyl) sulfone made by solid state polycondensation of a lower molecular weight polymer thereof, a process for making same, and containers, packages and packaging materials made therefrom. The copolyester have low acetaldehyde content.

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