Process for working up isocyanate distillation residues

Details Process for working up isocyanate distillation residues Process for working up isocyanate distillation residues

1980-07-17

1981-10-27

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

203 38, 203 47, 203 57, 203 59, 203 61, 203 62, 203 63, 203 64, 203 99, 525461, 525540, 528 44, 528502, 528902, C08G 1870

Patent

active

042974569

ABSTRACT:
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.

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patent: 3636030 (1972-01-01), Perkins
patent: 3897314 (1975-07-01), Liebsch et al.
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patent: 3993641 (1976-11-01), Tiemann et al.
patent: 4065362 (1977-12-01), Kataoka et al.
patent: 4076577 (1978-02-01), Hetzel et al.
patent: 4143008 (1979-03-01), Zwolinski et al.

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