Imidazole derivative-catalyzed polyurethane formulations based on hydroxylated polybutadiene
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United States of America Patent
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Jun 3, 2003
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N/A
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Aug 27, 1999
filing date -
Aug 27, 1998
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Expired
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Abstract
Polyurethane formulations based on hydroxylated polybutadiene are catalyzed by an N-substituted imidazole derivative. This type of catalysis advantageously replaces the conventional catalysts based on mercury salt. The catalysis does not pose an environmental problem and allows a particular increase in viscosity, permitting an extended pot life and rapid setting.
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