Removal of unreacted tolylene diisocyanate from urethane prepoly

Details Removal of unreacted tolylene diisocyanate from urethane prepoly Removal of unreacted tolylene diisocyanate from urethane prepoly

1976-06-14

1977-12-06

Torrence, Dolph H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260 25AT, 260454, 260389, 260455A, 560158, C07C119042, C07C12504

Patent

active

040616622

ABSTRACT:
A process is described which is effective in removing unreacted tolylene diisocyanate (TDI) from a polyisocyanate by bringing said polyisocyanate into contact with molecular sieves.

REFERENCES:
patent: 3415790 (1968-12-01), Davis et al.

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