Process for making a low density syntactic foam product and the

Details Process for making a low density syntactic foam product and the Process for making a low density syntactic foam product and the

1985-09-30

1988-11-29

Anderson, Philip

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

264123, 264DIG6, C08J 932

Patent

active

047882301

ABSTRACT:
A process for mixing a magma that can be used to make a structural syntactic foam of very low density includes the steps of mixing and agitating the dry ingredients of the foam, principally silica microspheres, in a slant cone mixer to break up any lumps and achieve a uniform fluffy mixture, and spraying a resin/solvent solution as a fog of fine droplets into the mixture. The resulting magma is folded and agitated within the mixer until the resin uniformly coats the microspheres, and the resin is packed into a mold. The filled mold is pressurized and heated in an autoclave until the resin is cured, and then the mold is cooled and opened and the finished syntactic foam part is removed.

REFERENCES:
patent: 2806509 (1957-09-01), Bozzacco et al.
patent: 2985411 (1961-05-01), Madden, Jr.
patent: 3608010 (1971-09-01), Stayner
patent: 4134848 (1979-01-01), Adicoff et al.
patent: 4374874 (1983-02-01), Blitstein et al.
patent: 4403048 (1983-09-01), Blitstein et al.
patent: 4582756 (1986-04-01), Niinuma et al.
The American Heritage Dictionary, Second College Edition, Boston, Houghton Mifflin Co., .COPYRGT.1982, p. 754.

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