Microwave bonding of styrofoam with phenol-formaldehyde compound

Details Microwave bonding of styrofoam with phenol-formaldehyde compound Microwave bonding of styrofoam with phenol-formaldehyde compound

1994-11-14

1995-10-31

Barry, Chester T.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156335, B32B 3100

Patent

active

054626277

ABSTRACT:
Bonding of polystyrene foam details together to produce lost foam molds suitable for casting metallic details is accomplished by coating one of the two mating surfaces of the parts with a phenol-formaldehyde adhesive. The two parts are joined together and the mated assembly is placed in a microwave oven. Exposure of the assembly to microwave energy for a pre-selected period of time effects the bonding.

REFERENCES:
patent: 4018642 (1977-04-01), Pike et al.
patent: 4035216 (1977-07-01), Immel
patent: 4253898 (1981-03-01), Rinker et al.
patent: 5182357 (1993-01-01), Linden
patent: 5254197 (1993-10-01), Klems

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