PAPER LAMINATE (VERSIONS) Russian patent published in 2014 - IPC B32B23/06 B32B23/12 B32B29/04 

FIELD: chemistry.

SUBSTANCE: paper laminate includes a pressed stack of sheet layers of kraft paper, at least one layer of barrier paper placed between said stack and impregnated layers of paper, at least one intermediate layer of a pressed wood composite material impregnated with xanthene dye Rhodamine S. The stack of sheet layers is impregnated with MMFP resin and ammonium phosphate, which is used as a fire retardant. The wood composite material contains the following components in the following ratios, pts.wt: J.h. 'Hughes' juniper shavings 50-75, Pinus pumila pine needles 25-35. Other versions of ratios of components of the composite material are disclosed and other fire retardants are used.

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

3 cl, 1 tbl