Process for the manufacture of urea-formaldehyde resins containing melamine
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United States of America Patent
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Apr 16, 1991
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N/A
app pub date -
Feb 8, 1990
filing date -
Dec 23, 1987
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Expired
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Abstract
A process for the preparation of a urea-formaldehyde resin exhibiting reduced gel time and improved stability, wherein the resin contains not more than 10% melamine, which is added during the first stage of the reaction with the other reactants, and wherein the reaction is conducted at an acidic pH.
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