发明名称 |
PHENOLIC FOAMS WITH BLOWING AGENT 1, 1, 1, 4, 4, 4-HEXAFLUORO - 2 - BUTENE |
摘要 |
<p>Disclosed are foam compositions and processes to form closed-cell phenolic foams. The foams comprises a continuous polymeric phase defining a plurality of cells, wherein the continuous polymeric phase comprises a phenol-formaldehyde resole derived from a phenol and formaldehyde, and wherein the plurality of cells comprises a plurality of open-cells and a plurality of closed-cells with an open-cell content measured according to ASTM D6226-5, of less than 50%. The foam composition also comprises a discontinuous phase disposed in at least a portion of the plurality of closed-cells, the discontinuous phase comprising 1,1,1,4,4,4-hexafluoro-2-butene.</p> |
申请公布号 |
EP2714786(B1) |
申请公布日期 |
2015.10.28 |
申请号 |
EP20120726683 |
申请日期 |
2012.05.25 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
COBB, MICHAEL W.;HARMER, MARK ANDREW;KAPUR, VIVEK;LIAUW, ANN Y;WILLIAMS, SHARLENE RENEE |
分类号 |
C08J9/14;B32B5/18;C08L61/06 |
主分类号 |
C08J9/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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