Thermal latent carboxyl compounds and methods of preparation thereof
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United States of America Patent
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May 14, 1996
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app pub date -
Jun 15, 1994
filing date -
Apr 10, 1990
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Abstract
A thermal latent compound which is prepared by a reaction of a polycarboxyl compound having two or more carboxyl groups in the molecule, having an acid equivalent of not more than 1000 g/mole and a number average molecular weight of not more than 4000, with a monovinyl ether compound, wherein at least two carboxyl groups are transformed into a functional group of the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each a hydrogen atom or an organic group of 1 to 18 carbon atoms, R.sup.4 is an organic group of 1 to 18 carbon atoms, Y.sup.1 is an oxygen atom or R.sup.3 and R.sup.4 are bonded together to form a heterocyclic with Y.sup.1 as a heteroatom.
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