Microwave curing of alkaline phenolic resins in wood-resin compo

Details Microwave curing of alkaline phenolic resins in wood-resin compo Microwave curing of alkaline phenolic resins in wood-resin compo

1975-09-08

1977-04-19

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

144281C, 219 1053, 219 1055A, 219 1055M, B29C 1902

Patent

active

040186423

ABSTRACT:
Microwave energy applied to a wood-resin composition such as plywood is used to cure the resin in a very short time, as compared with a conventional hot press process, and yet avoids the arcing and tracking problem that results when R.F. dielectric heating is used to reduce cure time. Pressure is applied to the plywood or other article being made either simultaneously with the microwave energy or shortly after the lather has been applied.

REFERENCES:
patent: 2834705 (1958-05-01), Marcucio et al.
patent: 3519517 (1970-07-01), Dench
patent: 3769127 (1973-10-01), Goldsworthy et al.
"Possible Uses of Microwaves for Industrial Heating", Product Engineering, Jan. 1947.

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