Polymeric foam caulking compositions

Details Polymeric foam caulking compositions Polymeric foam caulking compositions

C - Chemistry, Metallurgy

09

K

403/84, 403/9

C09K 3/30 (2006.01) B65D 83/14 (2006.01) C08J 9/14 (2006.01) C09K 3/10 (2006.01)

Patent

CA 1138599

ABSTRACT OF THE DISCLOSURE The invention disclosed herein provides foamed polymeric compositions useful as insulating, caulking and sealing compositions. The composition comprises an emulsion of one or more foamable polymers having a molecular weight in the range of from about 20,000 to about 100,000 such as, for instance, acrylic polymers, and dispersed in the emulsion, a foam forming amount of a mixture of a volatile organic liquid compound and nitrous oxide, the weight ratio of the volatile organic liquid compound to the nitrous oxide being so chosen that the foam is self-leveling, and the volume of the foam is not greater than six times the volume of the composition.

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