METHOD OF PRODUCING GLUED AND/OR MOISTURE-RESISTANT PAPER, CARDBOARD AND THIN CARDBOARD Russian patent published in 2016 - IPC D21H17/44 D21H17/57 D21H21/16 D21H25/04 

Abstract RU 2592531 C2

FIELD: textile and paper.

SUBSTANCE: invention relates to pulp and paper industry and concerns a method of producing glued and/or moisture-resistant paper, cardboard and thin cardboard. Method comprises mixing suspended wood pulp and/or chemical pulp with an aqueous radiation-curable dispersion containing at least one polymer having cationic groups, sieving mixture, pressing mixture, thermally drying mixture, and curing mixture by subjecting mixture to radiation wherein mixture comprises 0.001 to 10 wt% of aqueous radiation curable dispersion, based on its non-aqueous content in relation to solid content of wood pulp and/or chemical pulp, wherein aqueous radiation-curable dispersion contains polyurethane(meth)acrylate (ii) as polymer.

EFFECT: invention enables optimisation of technology of producing glued paper and cardboard.

11 cl, 2 dwg, 5 tbl

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RU 2 592 531 C2

Authors

Zommer Shtefan

Lyumann Erkhard

Dvorchak Majkl Dzh.

Yunal Serkan

Dates

2016-07-20Published

2011-12-19Filed