Composite board

Details Composite board Composite board

1995-01-17

1996-10-29

Sluby, P. C.

Stock material or miscellaneous articles

Composite

Of aldehyde or ketone condensation product

428526, 428236, 428301, B32B 2742

Patent

active

055695426

ABSTRACT:
A composite board which includes a core and inner and outer surface layers, said core and surface layers each including cellulose material and a cured resin binding said cellulose material together, wherein the resin in the core of the composite is an acid setting resin and the core includes a low steam volatile weak acid in an amount of between 2 to 8% by weight to the dry weight of the cellulose material in the core.

REFERENCES:
patent: 4130458 (1978-12-01), Moore et al.
patent: 4175148 (1979-11-01), Luck et al.
patent: 4269949 (1981-05-01), Hickson et al.
patent: 4376088 (1983-03-01), Prather
patent: 4480061 (1984-10-01), Coughlin et al.
patent: 4642268 (1987-02-01), St. Michel
patent: 4725382 (1988-02-01), Lewchalermwong
patent: 4935457 (1990-06-01), Metzner et al.

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