Preparation of a lignocellulosic composite

Details Preparation of a lignocellulosic composite Preparation of a lignocellulosic composite

1976-03-08

1980-01-29

Goolkasian, John T.

Stock material or miscellaneous articles

Composite

Of aldehyde or ketone condensation product

106123LC, 156318, 156336, 156331, 260 175, 427303, 427333, 427408, 427325, 427342, 427415, 428535, 428541, B32B 2742, C09J 504

Patent

active

041862422

ABSTRACT:
A process for the preparation of lignocellulosic composite using urea-formaldehyde adhesive is described characterized by treating the lignocellulosic constituents with ammonium-base lignosulfonate prior to pressing to decrease the emission of formaldehyde.

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patent: 2833670 (1958-05-01), Roth
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patent: 3076738 (1963-02-01), Uschmann
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patent: 3556897 (1971-01-01), Christoffersen et al.
patent: 3931072 (1976-01-01), Coyle
patent: 3994850 (1976-11-01), Willegger et al.
Walker, Formaldehyde (3rd Edition), ACS Monograph Series, Index for Chapters 9-16 and p. 1 of Chapter 8.
Goheen, et al. Lignin Kirk-Othmer ECT, vol. 12, pp. 369-372, 1967.

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