Process for polymerization of itaconic acid

Details Process for polymerization of itaconic acid Process for polymerization of itaconic acid

1991-03-27

1993-06-29

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263182, C08F13004, C08F12202

Patent

active

052235920

ABSTRACT:
Polymers of itaconic acid are formed at high conversion by adding completely neutralized monomer solution and initiator solution to a vessel initially containing water at a temperature sufficient for polymerization. These polymers are biodegradable and are most useful as detergent additives, scale inhibitors and removers, sequesterants, yarn sizers, deflocculating agents, de-inking agents, suspending agents and dispersing agents.

REFERENCES:
patent: 2294226 (1942-08-01), D'Aiello
patent: 3560529 (1971-02-01), Blumbergs et al.
patent: 5032646 (1991-07-01), Walinsky
Journal of Organic Chemistry by C. S. Marvel & Thomas H. Sheperd, vol. 24, pp. 599-605 (1959).
Die Makromolekulare Chemie 111 by H. Nakamoto, Y. Ogo & T. Imoto, pp. 104-114 (1968).
Susumu Nagai and Keinosuke Yoshida, Kobunshi Kagaka 17, 746, 748-52, 1960.
CA 55:24086g, 1961.
B. L. Gafurov, L. N. Semenova, and M. A. Askavov, "Polymerization of itaconic acid in solvents," Uzb. Khim. Zh., 15(5), 71-4, 1971.
CA 76(20):113635y, 1971.

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