Preparation of poly-.beta.-alanine from acrylamide

Details Preparation of poly-.beta.-alanine from acrylamide Preparation of poly-.beta.-alanine from acrylamide

1989-05-17

1991-05-14

Anderson, Harold D.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526210, 5263031, C08G 6900

Patent

active

050157078

ABSTRACT:
There is disclosed a novel poly-.beta.-alanine compound comprising monomeric units of the formula --CH.sub.2 CH.sub.2 CONH-- and monomeric units of the formula ##STR1## in a specific proportion, having a high degree of polymerization and which is essentially free from metal contamination. The novel poly-.beta.-alanine is produced by polymerizing acrylamide using a alkaline earth metal alcholate catalyst in an extremely limited amount. The novel compound has a wide variety of uses, and is especially useful as a thermal stabilizer for a polyacetal resin.

REFERENCES:
patent: 4536566 (1985-08-01), Coffey
patent: 4628077 (1986-12-01), Desmond et al.
patent: 4855365 (1989-08-01), Yamamoto et al.
David S. Breslow et al., "Synthesis of Poly-.beta.-Alanine from Acrylamide. A Novel Synthesis of .beta.-Alanine", J. Am. Chem. Soc., 79, 3760 (1957).
Naoya Ogata, "The Transition Polymerization of Acrylamide I. On the Polymerization Condition & the Property of Polymer", Soc. Japan, 33, 906 (1960).
J. P. Kennedy & T. Otsu, J. Macrom. Sci. Rev. Macrom. Chem 6 (1972), "Hydrogen Transfer Polymerization with Anionic Catalysts and the Problem of Anionic Isomerization Polymerization", pp. 237-283.

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