Azeotrope-like compositions of dimethoxymethane, cyclopentane an

Details Azeotrope-like compositions of dimethoxymethane, cyclopentane an Azeotrope-like compositions of dimethoxymethane, cyclopentane an

1996-09-23

1998-03-03

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252 67, 521131, 521910, 510408, 510411, C08J 914

Patent

active

057235090

ABSTRACT:
Azeotropic compositions made up of from about 68.1 to about 69.1% by weight of dimethoxymethane, from about 29.7 to about 30.7% by weight of cyclopentane and from about 0.7 to about 1.7% by weight in which the sum of the weight percents of the components is 100% by weight. These azeotrope-like compositions are useful as blowing agents in the production of polyurethane foams.

REFERENCES:
patent: 4076644 (1978-02-01), Burt et al.
patent: 5096933 (1992-03-01), Volkert
patent: 5166182 (1992-11-01), Blanpied

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