Process for preparing substantially linear polyamides from acryl

Details Process for preparing substantially linear polyamides from acryl Process for preparing substantially linear polyamides from acryl

1981-05-04

1985-08-20

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

526236, 5263031, 528310, 528323, 528324, 528332, C08G 6900

Patent

active

045365660

ABSTRACT:
Acrylamide and methacrylamide are either self-polymerized or copolymerized with other monomers, such as amino acids, in the presence of a stoichiometric amount of aqueous ammonia and at a temperature of at least 200.degree. C. under autogenous pressure to form substantially linear polyamides, such as poly-.beta.-alanine and nylon-3/6.

REFERENCES:
patent: 2749331 (1956-06-01), Breslow
patent: 3200098 (1965-08-01), Goren
patent: 3242152 (1966-03-01), Goren
patent: 3422081 (1969-01-01), Wexler
patent: 3681215 (1972-08-01), Peterson
patent: 3957739 (1976-05-01), Cabestany et al.
patent: 3994866 (1976-11-01), Lund et al.
patent: 4024040 (1977-05-01), Phalangas et al.
Billmeyer, Textbook of Polymer Science, (New York, John Wiley and Sons, 1962), p. 429.
Grant (Ed.), Hackh's Chemical Dictionary, (New York, McGraw-Hill Book Company, 1969), p. 533.
Synthetic Hetero Chain Polyamides, Korshak et al, 1964, p. 9.

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