RESIN PREMIX COMPOSITION, RIGID POLYURETHANE FOAMING COMPOSITION AND RIGID POLYURETHANE FOAM
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Oct 31, 2013
filing date -
Nov 5, 2012
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Abstract
An object of the invention is to provide resin premix compositions which include a polyol and a hydrocarbon foaming agent while still exhibiting good storage stability, the polyol being obtained without the use of ring-opening polymerization reaction of a cyclic ether. The resin premix composition of the invention includes at least a polyol and a hydrocarbon foaming agent, the polyol including a polyether ester polyol (A) obtained by reacting a polyether polyol with a fatty acid and/or a fatty acid ester, the polyether polyol being obtained by condensing a polyhydric alcohol including 50 mol % or more of a trihydric or higher alcohol.
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