Process for distillation of crude isocyanate concentrates

Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters

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C07C 7100

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active

050434705

ABSTRACT:
A process is described for the separation and recovery of isocyanate monomers from isocyanate concentrates which leaves a residue which is liquid and burnable. The process for the separation and recovery of isocyanate monomers from isocyanate concentrates formed in the production of isocyanates and comprising a volatile isocyanate monomer and by-products comprises the steps of:

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