(Meth)acrylic ester binders from glycolyzed aromatic polyesters
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United States of America Patent
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Aug 24, 2004
Grant Date -
Apr 11, 2002
app pub date -
Jul 31, 2001
filing date -
Aug 1, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Described are methacrylate or acrylate binders e.g. obtainable by the steps of (i) generating OH-precursors from at least one aromatic polyester, and (ii) reacting said OH-precursors of step (i) with methacrylic acid and/or acrylic acid to form a respective ester, whereby step (i) comprises reacting an aromatic polyester, or a mixture of aromatic polyesters with at least one polyol and/or at least one aminopolyol to generate hydroxy terminated oligomers. Optionally, a modified product can be obtained by performing a further reaction in step (i), namely by reacting said hydroxy terminated oligomer with at least one polycarboxylic acid and/or at least one polycarboxylic anhydride to generate said hydroxy terminated binder precursor oligomer.
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