| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a toluene dicarbamate, by which the production of by-products can be reduced, to provide the toluene dicarbamate obtained by the production method, and to provide a method for producing toluene diisocyanate, for the production of the toluene diisocyanate from the toluene dicarbamate. <P>SOLUTION: The method for producing the toluene dicarbamate is characterized by reacting toluene diamine with an N-nonsubstituted carbamate in the presence of an alcohol in the absence of urea. <P>COPYRIGHT: (C)2012,JPO&INPIT |
