Method and apparatus for recovering blowing agent in foam produc

Details Method and apparatus for recovering blowing agent in foam produc Method and apparatus for recovering blowing agent in foam produc

1983-12-19

1985-07-30

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55 74, 55179, 264 37, B01D 5314

Patent

active

045319510

ABSTRACT:
The present invention provides a method and apparatus which permits recovering and reusing the volatile blowing agents which are used in the production of thermoplastic foams.

REFERENCES:
patent: 2838801 (1958-06-01), De Long et al.
patent: 3607999 (1971-09-01), Corbett et al.
patent: 3618301 (1971-11-01), Handman
patent: 3780744 (1973-12-01), Neel et al.
patent: 3788331 (1974-01-01), Neel et al.
patent: 3859404 (1975-01-01), Immel et al.
patent: 3883624 (1975-05-01), McKenzie et al.
patent: 4065532 (1977-12-01), Wild et al.
patent: 4394333 (1983-07-01), Fukushima et al.

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