Process for preparing moldings by compacting and simultaneously

Details Process for preparing moldings by compacting and simultaneously Process for preparing moldings by compacting and simultaneously

1985-05-03

1991-09-10

Theisen, Mary Lynn

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

Synthetic resins

Processes of preparing a desired or intentional composition...

264122, 525113, 525119, 525120, 525935, C08L 300

Patent

active

050474537

ABSTRACT:
Fibrous material, in particular shoddy from synthetic fiber wastes, can be compacted into thermally and acoustically insulating boards and moldings by mixing with a pulverulent adhesive comprising a hot-melt adhesive and a solid epoxy resin/curing agent system and heating the mixture under pressure in a mold to a temperature at which the hot-melt adhesive becomes liquid and the epoxy resin reacts with its curing agent.

REFERENCES:
patent: 2336797 (1943-12-01), Maxwell
patent: 3641195 (1972-02-01), Ball
patent: 3671615 (1972-06-01), Price
patent: 4016233 (1977-04-01), Pringle
patent: 4339363 (1982-07-01), Nakagima
patent: 4359132 (1982-11-01), Parker et al.
patent: 4396039 (1983-08-01), Klenk et al.
patent: 4405542 (1983-09-01), Greer

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