Method for producing a thermal insulating foamed material

Details Method for producing a thermal insulating foamed material Method for producing a thermal insulating foamed material

1997-11-05

1998-07-28

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521131, C08J 914, C08G 1800

Patent

active

057864012

ABSTRACT:
A polyurethane foam is constituted by using a blowing agent selected from the group consisting of iodofluorohydrocarbons, perfluoroalkenes and hydrogen-containing fluoromorpholine derivatives. These blowing agents have a low thermal conductivity and a short life in the air, and thus impose no or very small load such as ozone layer depletion potential (ODP) and global warming potential (GWP) on the environment. The iodofluorohydrocarbon, in particular, can give an incombustibility and self-extinguishing property to the conventionally used inflammable substance such as cyclopentane or the like, and thus is also advantageous from the viewpoint of safety of the thermal insulating material.

REFERENCES:
patent: 5169873 (1992-12-01), Behme et al.
patent: 5205956 (1993-04-01), Volkert et al.
patent: 5278195 (1994-01-01), Volkert et al.
patent: 5539008 (1996-07-01), Dams et al.
patent: 5631306 (1997-05-01), Dams et al.

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