METHOD OF PRODUCING COPOLYESTER POLYMERS FOR TRANSPARENT SINGLE-LAYER CONTAINERS, DEMONSTRATING IMPROVED GAS-PERMEABILITY CHARACTERISTICS Russian patent published in 2012 - IPC C08L67/02 C08L67/03 C08G63/16 C08G63/183

Abstract RU 2450035 C2

FIELD: chemistry.

SUBSTANCE: composition contains at least one matrix polyester polymer and at least one filler. Said matrix polymer is obtained via polymerisation of a mixture containing a dicarboxylic acid and a diol. Characteristic viscosity of the matrix polymer at 30°C in a mixed solvent ranges from 0.7 to 0.9. The filler is selected from organoclay which exfoliate in polyamide, containing polymerised meta-xylene diamine links, and organoclay in form of nanoplates.

EFFECT: obtaining compositions used to mould containers, demonstrating improved gas-permeability characteristics.

38 cl, 1 tbl, 5 dwg, 12 ex

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RU 2 450 035 C2

Authors

Chehn' Chi-Chehn'

Kezios Piter S.

Kodd Khelen

Buchanan Karl

Dates

2012-05-10—Published

2006-12-01—Filed