POLYETHYLENE TEREPHTHALATE-BASED MODIFIED POLYMER ARTICLES AND METHODS FOR PRODUCTION THEREOF Russian patent published in 2013 - IPC C08G63/183 D06M13/00 D06M15/00 D06M11/00 D06M23/00

Abstract RU 2495057 C2

FIELD: chemistry.

SUBSTANCE: present invention relates to a method of producing polyethylene terephthalate (PET) based modified polymer articles which can be used in textile industry, construction, as special-purpose articles, in medicine and in other industries. The method of producing PET-based modified polymer articles involves drawing a PET-based polymer article in an adsorption-active liquid medium containing at least one modifying additive and drying the article. The adsorption-active liquid medium further contains at least one component which enables the polymer matrix to hold the modifying additive. Another version of the method involves drawing a PET-based polymer article in an adsorption-active liquid medium containing at least one modifying additive and drying the article, wherein before drawing or after drawing before drying, or after drying, the polymer article is treated with a solution containing at least one component which enables the polymer matrix to hold the modifying additive.

EFFECT: present method reduces the intensity of additive wash-off during production and use of PET articles.

18 cl, 2 tbl, 2 ex

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RU 2 495 057 C2

Authors

Terekhov Aleksej Evgen'Evich

Dates

2013-10-10—Published

2010-11-29—Filed