FIELD: chemistry.
SUBSTANCE: invention relates to polymer materials and additives used for heating polymer performs in industrial production of packaging materials for liquids such as bottles for drinks. The invention describes use of inorganic material selected from a group comprising titanium nitride, indium-tin oxide, reduced indium-tin oxide, antimony-tin oxide for improving heating characteristics of the polymer material - polyethylene terephthalate, polypropylene or oriented polypropylene. Described also is a method of improving heating characteristics of the said polymer material, involving bringing the polymer material or one or more monomers for obtaining said polymer through polymerisation into contact with the said inorganic material.
EFFECT: disclosed inorganic material accelerates the heating step when making bottles while lowering amount energy required for heating.
62 cl, 3 dwg, 5 tbl, 24 ex
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