Poly-.beta.-alanine compound, a process for producing the same a

Details Poly-.beta.-alanine compound, a process for producing the same a Poly-.beta.-alanine compound, a process for producing the same a

1987-05-08

1989-08-08

Anderson, Harold D.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525398, 525402, 525427, 525472, 526192, 526210, 526212, 528310, 528328, 528332, C08G 6900

Patent

active

048553654

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 an alkaline earth metal alcoholate 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.
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).
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.
Naoya Ogata, "The Transition Polymerization of Acrylamide I. On the Polymerization Condition and the Property of Polymer", Soc. Japan, 33, 906 (1960).

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