Depolymerization of polytetramethylene glycol ethers

Details Depolymerization of polytetramethylene glycol ethers Depolymerization of polytetramethylene glycol ethers

1981-10-22

1982-12-14

Raymond, Richard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30708

Patent

active

043639240

ABSTRACT:
A process for depolymerizing polytetramethylene glycol ethers, wherein the latter are heated at from 90.degree. to 180.degree. C. in the presence of a bleaching earth.

REFERENCES:
patent: 2751419 (1956-06-01), Hill et al.
patent: 3433829 (1969-03-01), Dorfelt
patent: 3925484 (1975-12-01), Baker
patent: 4115408 (1978-09-01), Baker
patent: 4233228 (1980-11-01), Mueller et al.
Davis, Makromol. Chem., vol. 81, (1965), pp. 38-50.

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