THERMALLY REVERSIBLE POLYMERS CROSS-LINKING FOR PRESSURE-SENSITIVE ADHESIVES Russian patent published in 2021 - IPC C08F220/12 C08F220/18 C08F220/14 C08F265/04 C08K5/3415 C09J133/08 

Abstract RU 2742812 C2

FIELD: adhesive materials.

SUBSTANCE: present invention relates to a thermally reversible adhesive composition, a method for production thereof, a thermally activated pressure sensitive adhesive, a heat-adhesive coating, molded label and to label without protective substrate. Said composition of thermally reversible adhesive contains a copolymer of furfuryl methacrylate and at least one acrylic monomer and a bis-maleimide crosslinking agent which is bis(3-ethyl-5-methyl-4-maleimidophenyl)methane. Furfuryl methacrylate copolymer content ranges from 50 to 80 % by weight of the adhesive composition.

EFFECT: thermally reversible adhesive composition enables to obtain a labelstock material without a protective substrate which is stable during storage.

8 cl, 5 tbl, 1 ex

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RU 2 742 812 C2

Authors

Khimmelberger, Deniel V.

Einsla, Melinda L.

Griffit, Uilyam B.Mladshij

Roui, Brendon U.

Dates

2021-02-10Published

2016-09-21Filed