Polyurethanes from oligomeric formal diols of THF copolymer glyc

Details Polyurethanes from oligomeric formal diols of THF copolymer glyc Polyurethanes from oligomeric formal diols of THF copolymer glyc

1982-01-19

1983-05-10

Cockeram, H. S.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

521158, 528249, 568601, C08G 1848, C07C 4230

Patent

active

043831001

ABSTRACT:
Oligomeric formal diols are prepared by coupling segments of copolyether glycols with formaldehyde. The formal diols are useful in preparing polyurethanes.

REFERENCES:
patent: 2961428 (1960-11-01), Muller et al.
patent: 3425999 (1969-02-01), Axelwood et al.
patent: 3959227 (1976-05-01), Chang et al.
patent: 4090990 (1978-05-01), Singh et al.
Schonfeld, Journal of Polymer Science, vol. 59, pp. 87-92 (1962).

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