RIGID FOAMS BASED ON PROCYANIDIN- AND/OR PRODELPHINIDIN-TYPE TANNINS AND PREPARATION METHOD THEREOF
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United States of America Patent
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Issued Date -
Jul 10, 2014
app pub date -
Aug 2, 2012
filing date -
Aug 23, 2011
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Abandoned
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Abstract
Use of at least one procyanidin- and/or prodelphinidin-type tannin, devoid of prorobinetidin- and/or profisetinidin-type tannin, in a mixture with furfuryl alcohol for the implementation of a polymerization reaction for the preparation of rigid foams, said procyanidin- and/or prodelphinidin-type tannin being in particular pine bark tannin.
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