Method for manufacturing wood material boards

Details Method for manufacturing wood material boards Method for manufacturing wood material boards

1974-08-19

1976-05-25

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

C08L 102

Patent

active

039590054

ABSTRACT:
Improved method of making wood composition boards is provided wherein wood raw materials, such as wood shavings, are pressed into boards and heated at a temperature of 180.degree. - 250.degree.C after having been treated with a urea bonding and flame-proofing agent which has been pre-reacted with a catalyst which is either a water soluble salt containing non-precious metal, such as Li, Na, K, Ca, Al, Mg, Zn, Fe, Co, Sn or Pb, or a water-soluble mono- or disaccharide, or an organic amine, or a solution of these catalyts. catalysts.

REFERENCES:
patent: 1953832 (1934-04-01), Sandell
patent: 2098082 (1937-11-01), Bowen
patent: 2742450 (1956-04-01), Yost
patent: 2965436 (1960-12-01), de Domenico et al.

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