FOAMS AND ARTICLES MADE FROM FOAMS CONTAINING 1-CHLORO-3,3,3-TRIFLUOROPROPENE (1233ZD)
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Dec 10, 2012
filing date -
Dec 9, 2011
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Abstract
The present invention relates to polyurethane foams having a polymeric foam structure including a plurality of closed cells therein; and an HFO or HCFO blowing agent, including HCFO-1233zd. In certain aspects, the present invention relates to foam premixes, and the resulting foam structures, that include HCFO-1233zd as blowing agent used alone, or in certain aspects, in a blend with a co-blowing agent such as cyclopentane, iso-pentane, n-pentane, or methyl formate.
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