ORNAMENTAL PAPER WITH APPLIED CORRUNDUM COATED BY ADHESIVE Russian patent published in 2008 - IPC C01C1/00 D21H23/00 D21H27/18 D21H27/28 E04F15/00 B32B29/00 

Abstract RU 2331583 C2

FIELD: technological processes; chemistry.

SUBSTANCE: invention can be used to manufacture attrition-resistant paper in production of laminated panels for floor covering. The paper is impregated by resin and contains attrition-resistant particles, consisting of silicium carbide, aluminium and/or corundum oxide. The particles are covered by silaned adhesion activating agent and are built into the resin matrix. The method of paper manufacturing includes impregnating the paper with resin, spreading attrition-resistant particles along, coated by adhesion activatin agent, along the paper, and then curing the resing by pressurising the paper with other impregnated paper, or with fibers and resin along with heating. The device used to spread the particles along the paper includes rotating shaft with recesses and the brush, located near the shaft, and installed so that to sweep the particles out of the recesses, as well as device to move the paperalong under the shaft. Laminated panel consists of ornamental paper, coated by attrition-resistant layer, applied to base plate, made from wood.

EFFECT: increase of paper attrition resistance and simplificaiton of manufacturing method.

11 cl, 3 dwg

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RU 2 331 583 C2

Authors

Dering Diter

Dates

2008-08-20Published

2003-10-11Filed