PAPER-LAYERED PLASTIC (VERSIONS) Russian patent published in 2014 - IPC B32B23/06 

FIELD: chemistry.

SUBSTANCE: paper-layered plastic includes pressed pack of sheet craft-paper layers, soaked with urea-melamine formaldehyde resin UMFR, solution of zinc borate as smoke suppressant , at least, one layer of barrier paper and placed between it and soaked paper layers, at least, one soaked with xanthene dye Rhodamine C intermediate layer of pressed wooden composite material, which contains sawdust of juniper Juniperus x media 'Hetzii' and needles of pine-tree Pinus pumila, with the following wt.p.: sawdust of juniper Juniperus x media 'Hetzii' 50-75, needles of pine-tree Pinus pumila 25-35. Quantity of juniper Juniperus x media 'Hetzii' sawdust in second and third versions of paper-layered plastic constitutes in wt.p. respectively 80-90 and 50-75, and quantity of Pinus pumila pine-tree needles in second and third versions of paper-layered plastic constitutes in wt.p. respectively 50-70 and 50- 75.

EFFECT: extension of arsenal of means in production of paper-layered plastic, and reduction of smoke release in case of its burning.

3 cl, 1 tbl