Chemical blowing agent
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United States of America Patent
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May 17, 1983
Issued Date -
N/A
app pub date -
Jul 7, 1982
filing date -
Mar 21, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a composition comprising a blowing agent and an activator characterized in that the blowing agent and activator have been micronized together rather than separately as hitherto; to methods for making the composition and to the use of the compositions in expanding polymers.
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