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(19)

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2 764 617

(13)

(51)

IPC

B32B15/08(2006-01-01)

B32B15/85(2006-01-01)

B32B15/09(2006-01-01)

(21) (22)

Application

2021121310, 2021-07-16

(24)

Start date

2021-07-16

(22)

Actual filing date

2021-07-16

(45)

Published

2022-01-18

(72)

Inventor

Muratov Iskander IldarovichVerizhnikov Maksim LvovichShagiev Linar IldarovichGaripov Ruslan Mirsaetovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu

MULTILAYER HIGH-BARRIER POLYMERIC MATERIAL FOR FOOD PACKAGING Russian patent published in 2022 - IPC B32B15/08 B32B15/85 B32B15/09

Abstract RU 2764617 C1

FIELD: polymeric materials.

SUBSTANCE: invention relates to the field of polymeric materials and relates to a multilayer high-barrier polymeric material for food packaging. The material contains layers arranged one after the other in the following order: a polymer base in the form of a polymer film of complex polyester - polyethylene terephthalate, a layer of precipitated alumina, a polymer protective layer, a printed image, a layer of adhesive composition and a polyolefin coating film containing a UV absorber. The protective layer is made on the basis of an acrylic copolymer with side hydroxyl groups, obtained by radical polymerization of butyl methacrylate and glycidyl methacrylate in ethyl acetate, with a viscosity of 12-14 seconds.

EFFECT: invention provides a decrease in oxygen permeability and a decrease in cracking during deformation of the deposited layer of aluminum, as well as a decrease in the structure of the polymer material to one layer of polyethylene terephthalate film.

6 cl, 2 tbl, 7 ex

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RU 2 764 617 C1

Authors

Muratov Iskander Ildarovich

Verizhnikov Maksim Lvovich

Shagiev Linar Ildarovich

Garipov Ruslan Mirsaetovich

Dates

2022-01-18—Published

2021-07-16—Filed