Production of rigid polyurethane foams, and a blowing agent mixt

Details Production of rigid polyurethane foams, and a blowing agent mixt Production of rigid polyurethane foams, and a blowing agent mixt

1993-01-11

1994-03-01

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521170, C08J 914

Patent

active

052908232

ABSTRACT:
The invention relates to a process for the production of rigid polyurethane foams using a specific blowing agent mixture of highly fluorinated and/or perfluorinated organic compounds, cyclopentane and, if desired, aliphatic and/or further cycloaliphatic hydrocarbons having 4 to 8 carbon atoms.

REFERENCES:
patent: 5084487 (1992-01-01), Becker et al.
patent: 5096933 (1992-03-01), Volkert
patent: 5122547 (1992-06-01), Becker et al.
patent: 5153235 (1992-10-01), Becker et al.
patent: 5162385 (1992-11-01), Hartwig et al.
patent: 5187206 (1993-02-01), Volkert et al.

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