COMPOSITE FLAME-RESISTANT WOOD-CHIP MATERIAL Russian patent published in 1997 - IPC

FIELD: production of composite materials, such as wood-chip boards, for manufacturing furniture. SUBSTANCE: according to first alternative, composite material comprises alumochromophosphate binder, carbamide, carbamide-formaldehyde resin, siliconorganic product, paraffin, water and wood-chip filler, said components being present in following weight ratio, wt.-%: alumochromophosphate binder, 10.0-12.0; carbamide, 2.0-3.0; carbamide-formaldehyde resin, 5.0-8.0; siliconorganic product, O.1-2.5; paraffin, 0.3-0.6; water, 18.0-35.0; wood-chip filler, the balance. According to second alternative, material comprises following components, wt.-%: alumochromophosphate binder, 10.0-12.0; carbamide, 2.0-3.0; carbamide-formaldehyde resin, 5.0-8.0; siliconorganic product, O.1-2.5; paraffin, 0.3-0.6; water, 18.0-25.0; 25%-ammoniacal aqueous solution, 1.0; wood-chip filler, the balance. EFFECT: higher water resistance; enhanced reliability; reduced combustibility and lower toxicity of wood-chip boards. 2 cl, 1 tbl