Moisture-curable polyurethane composition with improved storage stability and method for preparing the same
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United States of America Patent
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Issued Date -
Feb 8, 2007
app pub date -
Aug 3, 2006
filing date -
Aug 4, 2005
priority date (Note) -
Abandoned
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Abstract
Disclosed herein is a one-component type moisture-curable polyurethane composition with improved storage stability. The polyurethane composition comprises a prepolymer prepared by reacting a polyol having a weight-average molecular weight of 1,000 to 5,000 with a mixture of an aromatic diisocyanate and an aliphatic diisocyanate in a weight ratio of 1:1 to 1:0.1, an inorganic paste, and a blocked amine compound and a monomeric vinyl silane as additives for removing moisture from the inorganic paste. The polyurethane composition has improved storage stability even in general open equipment. Further disclosed is a method for preparing the polyurethane composition.
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