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

FIELD: chemistry.

SUBSTANCE: paper laminate includes a pressed stack of sheet layers of kraft paper impregnated with MMFP resin, ammonium phosphate as a fire retardant, at least one layer of barrier paper, and at least one intermediate layer of a pressed wood composite material impregnated with xanthene dye Rhodamine S, placed between the layer of barrier paper and the impregnated paper layers, with the following content of components of said wood composite material, pts.wt: J. squamata 'Blue Star' juniper shavings 50-75; Pinus leucodermis pine needles 25-35. Other versions of fire retardants and ratios of components of the wood composite material are also disclosed.

EFFECT: invention widens the range of materials for producing paper laminate and improves fire safety thereof.

3 cl