Isocyanate-reactive compounds from TDI distillation residue and

Details Isocyanate-reactive compounds from TDI distillation residue and Isocyanate-reactive compounds from TDI distillation residue and

1983-12-29

1984-12-18

Cockeram, Herbert S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521160, 528 44, 528 67, 528 85, 560158, C08G 1814, C08G 1832, C08G 1872

Patent

active

044891776

ABSTRACT:
Isocyanate-reactive compounds are prepared by the reaction of TDI distillation residue with a polyol in such proportions as to obtain a reaction product having an OH-number (mg KOH/g) of about 200 to about 700. The TDI distillation residue is obtained from the distillation of the product of phosgenating toluene diamine to the corresponding toluene diisocyanate and has a toluene diisocyanate content of about 30% to about 70% by weight. The isocyanate-reactive compounds are useful in polyurethane formulations.

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