Process of preparing polyesters having carbonyl group and ether

Details Process of preparing polyesters having carbonyl group and ether Process of preparing polyesters having carbonyl group and ether

1976-01-02

1978-01-31

Phynes, Lucille M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08G 6700

Patent

active

040716678

ABSTRACT:
There is provided a process of preparing polyesters having carbonyl group and ether linkage in the principal chain thereof by the reaction of carbon dioxide with vinyl compounds or diene compounds (diolefins) having Alfrey-Price's value of less than -0.9. Said reaction may be carried out in the presence of catalysts as shown below: alkoxides, acetylacetone complexes and alkyl compounds of titanium, magnesium, cobalt, manganese, zinc, aluminium, tin and mercury.

REFERENCES:
patent: 2462680 (1949-02-01), Sargent
patent: 2495286 (1950-01-01), Brubaker
patent: 3083184 (1963-03-01), Loeb

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