Liquid organic polyisocyanate-dicarboxylic ester binder composit

Details Liquid organic polyisocyanate-dicarboxylic ester binder composit Liquid organic polyisocyanate-dicarboxylic ester binder composit

1983-10-03

1984-12-25

Kight, John

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

Synthetic resins

From lignin, tannin, or derivative reactant

527100, 527103, 524 13, 524 14, 528 1, 1563314, 428245, 264125, C08G 1814, C08G 1836

Patent

active

044905181

ABSTRACT:
Disclosed is a liquid binder composition containing from about 40 to about 98 percent by weight of an organic polyisocyanate and correspondingly from about 2 to about 60 percent by weight of a select ester derived from a dicarboxylic acid. When the binder composition is used in making lignocellulosic composite materials, such as particle board, the ester acts as an effective internal mold release agent, facilitating release of the composite material from the mold.

REFERENCES:
patent: 4201847 (1980-05-01), Kleimann et al.
patent: 4254228 (1981-03-01), Kleimann et al.
patent: 4279788 (1981-07-01), Lambuth
patent: 4376088 (1983-03-01), Prather
patent: 4376089 (1983-03-01), Bogner et al.
patent: 4376144 (1983-03-01), Goettler
patent: 4414361 (1983-11-01), Gaul et al.

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