Methods for the manufacture of particle board utilizing an isocy

Details Methods for the manufacture of particle board utilizing an isocy Methods for the manufacture of particle board utilizing an isocy

1981-08-03

1983-08-02

Massie, Jerome W.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

106271, 156 622, 156289, 156296, 1563314, 162172, 264123, 4284251, 428485, B32B 2314

Patent

active

043966730

ABSTRACT:
Sheets or moulded bodies, for example particle board, are manufactured by hot pressing a lignocellulosic material in contact with an organic polyisocyanate and a wax release agent which is a vegetable wax, a modified vegetable oil, a microcrystalline wax or a mineral wax, said wax release agent having a melting point of at least 70.degree. C. Preferably the wax release agent is applied to the lignocellulosic material in the form of a dispersion in an aqueous emulsion of the polyisocyanate. The process facilitates the release of the sheets or moulded bodies from the caul plates or platens of the press.

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Bennett et al. Commercial Waxes Chemical Publishing Co., Inc. New York, N.Y. p. 107.
Udvardy, "Evaluation of Isocyanate Binder for Waferboard" Presented Wash. St. Univ. Symposium (1978) pp. 159-177.
Maloney, Modern Particleboard & Dry Process Fiberboard Manufacturing, San Fran., CA (1977) pp. 376-377, 389-404.

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