Method for producing polyurethane, epoxy carboxylate composition, polyurethane, and polyurethane resin composition
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United States of America
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Dec 21, 2021
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Jul 22, 2021
app pub date -
May 19, 2017
filing date -
May 19, 2017
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Abstract
A method for producing a polyurethane according to the present invention including: a first step wherein an epoxy carboxylate compound (X) is obtained by reacting (a) an epoxy compound that includes a halogen atom content of 10 ppm by mass or less, while having only two epoxy groups and no hydroxyl group in each molecule, (b) an unsaturated aliphatic monocarboxylic acid that has an ethylenic unsaturated group in each molecule, while having no aromatic ring, and (c) an aromatic monocarboxylic acid that has no ethylenic unsaturated group in each molecule; and a second step wherein the epoxy carboxylate compound (X) obtained in the first step is reacted with a diisocyanate compound (Y).
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