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METHOD FOR THE PRODUCTION OF METHYLENE-BISPHENYLCARBAMINS UREESTERS AND POLYMETHYLENE-POLYPHENYLCARBAMINE-S UREESTERS.
METHOD FOR THE PRODUCTION OF METHYLENE-BISPHENYLCARBAMINS UREESTERS AND POLYMETHYLENE-POLYPHENYLCARBAMINE-S UREESTERS.
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机译:制备亚甲基-双联氨基甲酸酯[脲酸酯和聚乙烯-聚乙烯基-氨基甲酸酯-S [脲酸酯]的方法。
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摘要
A process for preparing a methylene-bis-(4-phenylcarbamic acid ester), wherein an N-phenylcarbamic acid ester is reacted with an acylal in the presence of an acid at from 50 DEG to 150 DEG C.
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