Method of reducing the emission of formaldehyde from particle bo

Details Method of reducing the emission of formaldehyde from particle bo Method of reducing the emission of formaldehyde from particle bo

1983-07-19

1984-10-23

Childs, S. L.

Coating processes

With pretreatment of the base

Heating or drying pretreatment

427189, 427226, 427325, 427399, 427401, B05D 302

Patent

active

044788916

ABSTRACT:
The emission of formaldehyde from particle board bound with carbamide resin is reduced by coating the boards, during their manufacture and subsequent to pressing the same, with at least one ammonium compound which decomposes thermally at the temperature of the boards during the conditioning period, whereafter the boards are stacked and stored for conditioning.

REFERENCES:
patent: 3113065 (1963-12-01), Newton et al.
patent: 3420696 (1969-01-01), Cotton et al.
patent: 3936542 (1976-02-01), Cox
patent: 4025490 (1977-05-01), Weaver
patent: 4162178 (1979-07-01), Mankessini
patent: 4163820 (1979-08-01), Corver et al.
patent: 4254178 (1981-03-01), Church et al.
Wittman, "The Subsequent Dissociation of Formaldehyde from Particle Board", vol. 20, No. 6, pp. 221-224, Jun. 1962.
Chemical Abstracts, vol. 83, 1975, 99549j.

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