Method for making reshapable articles containing lignocellulose

Details Method for making reshapable articles containing lignocellulose Method for making reshapable articles containing lignocellulose

1990-06-11

1992-03-17

Nutter, Nathan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C08L 8900

Patent

active

050969455

ABSTRACT:
Reshapable composite material and/or articles formed from lignocellulose-containing materials and having improved strength and water resistance characteristics are made by applying about 7 to about 100 weight % of a polyisocyanate resin to fibers and/or fiber bundles of a lignocellulose-containing material. The resulting mixture or furnish is compression molded to form a composite material and/or article of the desired shape and dimensions.

REFERENCES:
patent: 3557263 (1971-01-01), Marra
patent: 4546039 (1985-10-01), Horacek et al.
Frink et al. "Isoyanate Binders for Wood Composite Boards" Urethane Chemistry and Applications, American Chemical Society, 1981, pp. 285-309.
Proceedings of 1980 Symposium--"Wood Adhesives--Research Application and Needs", USDA Forest Service, Forest Products Laboratory, p. 117-121.
Deppe et al., Holz als Roh-und Werkstoff, 29(2):45-50 (1971).
Fahey et al., Tappi, The Role of Phenolic Resin in Imparting Properties to Dry-Formed Hardboards, 56(3):53-56 (1973).
McLaughlin et al., Proc. 15th Particleboard Symposium, Wash. State Univ., pp. 255-264 (1981).
Johns et al., Proc., 18th Particleboard Symposium, Wash. State Univ., pp. 101-116 (1984).
Galbraith et al., Proc., 19th Particleboard Symposium, Wash. State Univ., pp. 301-322 (1985).

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