PAPER-LAYERED PLASTIC (VERSIONS) Russian patent published in 2014 - IPC B32B23/00 

FIELD: chemistry.

SUBSTANCE: paper-layered plastic includes pressed pack of sheet craft-paper layers, soaked with urea-melaminoformaldehyde resin UMFR, ammonium phosphate as antipyrene, 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 wood composite material, containing sawdust of juniper Juniperus scopulorum 'Springbank' and needles of Pinus nigra in the following wt.p.: sawdust of juniper Juniperus scopulorum 'Springbank'50-75 and needles of pine Pinus nigra 25-35. Quantity of sawdust of juniper Juniperus scopulorum 'Springbank' in second and third versions of paper-layered plastic constitutes in wt.p. respectively 80-90 and 50-75, and quantity of needles of pine Pinus nigra 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 plastics, increase of its fire safety.

3 cl, 1 tbl