POLYAMIDE RESINS Russian patent published in 2014 - IPC C08L77/06 C08G69/26 

FIELD: chemistry.

SUBSTANCE: invention relates to a polyamide resin and a moulded article. The polyamide resin contains a structural unit which is a diamine obtained from xylylenediamine or bis(aminomethyl)cyclohexane in amount of 70 mol % or more, and a structural unit which is a dicarboxylic acid obtained from sebacic acid in amount of 50 mol % or more. The polyamide resin has sulphur atom concentration of 1-200 ppmw and sodium atom concentration or 1-500 ppmw. The moulded article is obtained by moulding the polyamide resin.

EFFECT: invention enables to obtain a resin with high modulus of elasticity and improved gas barrier properties, low water absorption and an excellent colour hue.

7 cl, 4 tbl, 23 ex