Alkylene oxide adducts of vicinal toluenediamine

Details Alkylene oxide adducts of vicinal toluenediamine Alkylene oxide adducts of vicinal toluenediamine

1981-12-01

1983-08-09

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 564399, C08G 1814

Patent

active

043979661

ABSTRACT:
The subject invention relates to polyol compositions which are alkylene oxide adducts of a mixture of initiators comprising vicinal toluenediamine and an initiator selected from the group consisting of ammonia, an aliphatic amine having a molecular weight of from 20 to 120, an alkanolamine having a molecular weight of from 50 to 120, and mixtures thereof. Low molecular weight diols may also be used as a co-initiator in combination with ammonia, an aliphatic amine, an alkanolamine, or mixtures thereof.
The subject polyol compositions are particularly useful in the preparation of rigid polyurethane foams.

REFERENCES:
patent: 3446848 (1969-05-01), Aitken et al.
patent: 4085140 (1978-04-01), Ibbotson et al.

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