Process for the production of polyurethane plastics

Details Process for the production of polyurethane plastics Process for the production of polyurethane plastics

1980-09-09

1981-10-06

Welsh, Maurice J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

156 622, 260 175, 260 37N, 264109, 264122, 264125, C08J 500

Patent

active

042934567

ABSTRACT:
This invention relates to a process for the production of optionally cellular polyurethane plastics using a reactive filler obtained by finely grinding a distillation residue of the type accumulating in the commercial production of tolylene diisocyanate. It is possible in this way to recycle the previously unuseable slag-like residues and at the same time to improve the mechanical properties of the polyurethane plastics filled with them.

REFERENCES:
patent: 4100328 (1978-07-01), Gallagher
patent: 4209433 (1980-06-01), Hse

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