Process for preparing polyurethane foam
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United States of America Patent
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May 28, 2002
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N/A
app pub date -
Jan 5, 1999
filing date -
Jan 5, 1999
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Abstract
A process for preparing a polyurethane foam, especially according to the one-shot foaming process, the quasi-prepolymer process and the prepolymer process by reactions between a polyisocyanate and an active hydrogen-containing component including water and an organic polyol wherein said reactions are conducted in the presence of a reaction product formed by reaction between a tertiary amine and a carboxylic acid having halo functionality and optional hydroxyl functionality.
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