FIELD: chemistry.
SUBSTANCE: group of inventions relates to a method of obtaining polypropylene or polyethyleneterephthalate polymers and making bottles, containers and other articles from the said polymers. The method of obtaining polypropylene or polyethyleneterephthalate polymers using a thermal technique involves addition of 2-50 weight ppm particles of carbon black, having average diametre of 200 nm, to the polymer. Bottles are made from polypropylene or polyethyleneterephthalate polymers using the method given above through injection stretch blow moulding preforms.
EFFECT: increased injection rate, total output, reduced amount of electrical energy required for making bottles.
15 cl, 3 tbl, 3 ex, 8 dwg
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