(METH)ACRYLIC ACID ESTER COMPOUND HAVING ISOCYANATE GROUP, AND METHOD FOR PRODUCING SAME
The objective of the present invention is to reduce the content of dialkylcarbamoyl chloride contained in a (meth)acrylic acid ester compound having an isocyanate group. The present invention includes a method for producing a (meth)acrylic acid ester compound having an isocyanate group in which the...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The objective of the present invention is to reduce the content of dialkylcarbamoyl chloride contained in a (meth)acrylic acid ester compound having an isocyanate group. The present invention includes a method for producing a (meth)acrylic acid ester compound having an isocyanate group in which the content of dialkylcarbamoyl chloride is 0.1 mass% or less, where the method includes a step (2) in which a predetermined compound (B) and phosgene are brought into contact in the presence of an N-disubstituted formamide compound (A) to obtain a phosgene reaction product, and a step (3) in which the phosgene reaction product obtained in step (2) and a hydroxylamine hydrochloride compound are brought into contact to obtain a (meth)acrylic acid ester compound having a predetermined isocyanate group. |
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