Process for the removal of foaming agents from foamed plastics

Details Process for the removal of foaming agents from foamed plastics Process for the removal of foaming agents from foamed plastics

1991-05-22

1993-10-12

Eley, Timothy V.

Solid material comminution or disintegration

Processes

With solidifying, consolidating or shaping

241DIG38, B09B 500

Patent

active

052518248

ABSTRACT:
The invention concerns a process for the removal of foaming agents, especially CFCS, from foamed plastics, whereby the foamed plastic is first compressed and afterwards comminuted in an unit and the released foaming agents extracted.

REFERENCES:
patent: 3627211 (1971-12-01), Leach
patent: 3630820 (1971-12-01), Leach
patent: 3768739 (1973-10-01), George
patent: 3774852 (1973-11-01), Edlund
patent: 4321027 (1982-03-01), Stoehr et al.
patent: 4359193 (1982-11-01), Schoert
patent: 4448738 (1984-05-01), Crocker
patent: 4627580 (1986-12-01), Marbach
patent: 4783010 (1988-11-01), Kissel
patent: 4815668 (1989-03-01), Frei
patent: 5074477 (1991-12-01), Welter et al.

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