Organic polyisocyanate-cyclic alkylene carbonate adhesive binder

Details Organic polyisocyanate-cyclic alkylene carbonate adhesive binder Organic polyisocyanate-cyclic alkylene carbonate adhesive binder

1981-08-17

1983-11-08

Nielsen, Earl A.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

106123LC, 106163R, 106203, 156326, 1563309, 252182, 264122, 26433119, 4284251, 428537, 524839, 524735, 524754, 527103, 527301, 527401, C08L 9700, C08L 9702

Patent

active

044143613

ABSTRACT:
An improved adhesive binder composition is provided for the preparation of lignocellulosic composite molded articles such as flake or particleboard, made from moldable compositions which comprises an organic di- or polyisocyanate and a cyclic alkylene ester of carbonic acid and optionally lignin, for application to the lignocellulosic material prior to the molding process to form the composite product.

REFERENCES:
patent: 3519581 (1970-07-01), Moorer et al.
patent: 3577358 (1971-05-01), Santelli et al.
patent: 4032483 (1977-06-01), Hartman

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