Process for producing high yield methyl isocyanate
A technology of methyl isocyanate and production process, which is applied in the field of production technology for improving the yield of methyl isocyanate monomer, can solve problems such as unfavorable production of methyl isocyanate, high cost, complexity, etc., achieves a friendly natural environment, reduces labor intensity, The effect of inhibiting self-aggregation
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[0014] In the conventional production process of heating methylcarbamoyl chloride solution in a decomposer to decompose and generate methyl isocyanate, it is generally believed that the molecular weight of methyl isocyanate is small and difficult to polymerize, and it is generally believed that the polymerization inhibitor is only good for polymers with relatively large molecular weights. Therefore, no one in the prior art has tried to use a polymerization inhibitor in the process of heating carbamoyl chloride solution to decompose and generate methyl isocyanate. The inventor unexpectedly discovered in the experiment that adding a polymerization inhibitor under specific conditions can effectively reduce the formation of methyl isocyanate trimer, prevent process pipeline blockage, and help ensure the continuity of production and reduce production costs.
[0015] The technical solutions of the present invention will be further described below in conjunction with examples and comp...
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