Treatment of process air stream from rapid cooling of polyuretha

Details Treatment of process air stream from rapid cooling of polyuretha Treatment of process air stream from rapid cooling of polyuretha

1992-06-08

1993-06-29

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521155, 521917, C08G 1800

Patent

active

052235521

ABSTRACT:
A method and apparatus for the continuous production of flexible open cell polyurethane foam, where a process air stream is drawn through the interior of the foam material after it has completed its rise to thereby accelerate the cooling of the foam material. The process air stream contains vaporized constituents which are removed by the steps of:

REFERENCES:
patent: 3061885 (1962-11-01), Rogers et al.
patent: 3890414 (1975-06-01), Ricciardi
patent: 4537912 (1985-08-01), Griswold
patent: 4649162 (1987-03-01), Roche et al.
patent: 4764536 (1988-04-01), Proska et al.

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