WORKING-UP PROCESS OF ISOCYANATE-DISTILLATION RESIDUES AND USE OF THE PRODUCTS THUS OBTAINED AS MOULDABLE MATERIAL OR AS ACTIVE FILLERS, IN PARTICULAR IN THE PRODUCTION OF PANELS AND SHAPED ARTICLES

摘要

This invention relates to a process for working up the distillation residue obtained in the commercial production of tolylene diisocyanate by grinding, optionally accompanied and/or followed by chemical modification reactions. The finely divided powder obtained may be used as a reactive filler in the production of a variety of plastics.