Modified phenol-formaldehyde resin and the production thereof

Details Modified phenol-formaldehyde resin and the production thereof Modified phenol-formaldehyde resin and the production thereof

1984-02-17

1985-04-30

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 15, 524 78, 527103, 527105, 528 1, 156335, 428528, 428529, C08H 504, C08G 8300

Patent

active

045145326

ABSTRACT:
A modified phenol-formaldehyde binding resin is particularly useful in the formation of man-made boards including bonded fibers, fibrous particles, and a plurality of uniformly, or randomly shaped pieces, masses or sheets bonded together with the modified phenol-formaldehyde binding resin. The resin binder is especially adapted to bonding wood fibers and particles, comprising the condensation product of a phenol, formaldehyde and a water-soluble carbohydrate-phenol complex from steam digestion of wood chips, and the production thereof. Various objects can be manufactured using these resins, such as particle objects and objects or sheet materials made by bonding together a plurality of uniformly or randomly shaped masses, for example, fiberboards such as hardboard and insulation board; particle board; plywood; oriented strand board; and waferboard.

REFERENCES:
patent: 3965056 (1976-06-01), Stout et al.
patent: 4311621 (1982-01-01), Nishizawa et al.

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