FILM BARRIER FOR DIFFUSION OF ISOCIANATE MONOMER Russian patent published in 2017 - IPC B32B15/08 B32B15/85 B32B15/09 B32B15/20 B32B27/10 B32B27/32 B32B27/34 B32B27/36 

Abstract RU 2640073 C2

FIELD: chemistry.

SUBSTANCE: first film layer A1 is formed from Composition A1 comprising a polyethylene and hydroxyl (OH)-functionalized polymer on an ethylene base; and B. The second film layer B is formed from Composition B containing at least one isocyanate in its composition. The invention also relates to a multilayer film comprising in its composition at least two layers A2 and B: A2. The first film layer A2 is formed from Composition A2 comprising linear low-density polyethylene and an anhydride-functionalized polymer on an ethylene base; and also B. The second film layer B is formed from Composition B containing at least one isocyanate in its composition. The invention relates to articles consisting of the said multilayer film, which are food containers, bags for keeping and/or storing food.

EFFECT: improving the compound properties.

11 cl, 3 tbl

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RU 2 640 073 C2

Authors

Chen Syujmin

Makgi Robert L.

Vietti Devid E.

Miyake Kevin

Brinkman Larri F.

Dates

2017-12-26Published

2013-08-28Filed