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DECOLORIZATION OF POLYOLS

申请公布号:KR20120089766(A)

申请号:KR20127017156

申请日期:2010.11.15

申请公布日期:2012.08.13

申请人:
DOW GLOBAL TECHNOLOGIES LLC

发明人:BABB DAVID A.;SCHAEFER MATTHIAS

分类号:C07C29/74;B01J19/08;C07C31/18;C08G63/90

主分类号:C07C29/74

摘要:Natural oil-based polyols that are high in color, e.g., >40 APHA, are decolorized when exposed to high frequency visible light and/or low frequency UV light, with or without the combination of heat and/or air exposure.

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