Method and apparatus for nucleation of polyurethane foam which results in self-adhering microcellular foam
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United States of America Patent
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Dec 5, 1995
Grant Date -
N/A
app pub date -
Nov 10, 1994
filing date -
Nov 10, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and method for producing foam polyurethane incorporates an apparatus for mixing a nucleating gas into the polyol (part B) fraction and finally dispersing the nucleating gas prior to mixing the polyol (part B) fraction with the isocyanate (part A) fraction. The apparatus and method produce a very fine and uniform microcellular structure in the foam.
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Cited Art Landscape
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