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(19)

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2 422 475

(13)

(51)

IPC

C08J3/28(2006-01-01)

C08F8/00(2006-01-01)

A61L2/10(2006-01-01)

B65B55/02(2006-01-01)

(21) (22)

Application

2009139626/05, 2009-10-26

(24)

Start date

2009-10-26

(22)

Actual filing date

2009-10-26

(45)

Published

2011-06-27

(72)

Inventor

Fedotova Ol'Ga BorisovnaMjalenko Dmitrij Mikhajlovich

(73)

Holder

Gosudarstvennoe Nauchnoe Uchrezhdenie Nauchno-Issledovatel'Skij Institut Molochnoj Promyshlennosti" Vnimi Rossel'Khozakademii)

METHOD OF ACTIVATING SURFACE OF POLYMER MATERIAL MODIFIED BY BETULIN ANTIMICROBIAL ADDITIVE Russian patent published in 2011 - IPC C08J3/28 C08F8/00 A61L2/10 B65B55/02

Abstract RU 2422475 C1

FIELD: chemistry.

SUBSTANCE: invention relates to methods of activating the surface of polymer material, particularly polymer films and articles made from heat sealable polyolefins meant for packing dairy and food products with long shelf life. The method involves pretreatment of the polymer material with a modifying betulin additive, after which the surface of the polymer material is exposed to a continuous spectrum of pulsed radiation containing visible, ultraviolet and infrared radiation with exposure time of 700 mcs. The surface dose of the continuous spectrum is equal to 605-850 mJ/cm².

EFFECT: heat sealable polyolefin layer acquires antimicrobial properties which are retained on all production steps.

3 tbl, 2 ex

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RU 2 422 475 C1

Authors

Fedotova Ol'Ga Borisovna

Mjalenko Dmitrij Mikhajlovich

Dates

2011-06-27—Published

2009-10-26—Filed