Etherified methylol polyamide crosslinking agent, process for producing the same and resins crosslinked therewith
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United States of America Patent
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Apr 19, 1983
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N/A
app pub date -
Oct 27, 1981
filing date -
Oct 27, 1981
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Expired
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Abstract
Cross-linking agents are produced by reacting an ester of a di- or poly-carboxylic acid with a molar excess of ammonium hydroxide, thereby forming a di- or polyamide, which in turn is then methylolated and etherified with a lower alkanol. These products are cross-linkers for resins such as alkyds, oil-free polyesters, acrylic which can be either acid or hydroxy functional, phenolics, epoxies or melamines.
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