Copolymer of dodecane terephthalamide

Details Copolymer of dodecane terephthalamide Copolymer of dodecane terephthalamide

1990-08-13

1992-01-07

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528 28, 528324, 528338, 528339, 528340, 528344, 528345, C08G 6914, C08G 6926

Patent

active

050793390

ABSTRACT:
The present invention is an improved polyamide copolymer having monomer units including repeat units of the formula ##STR1## where n is from 10 to 14 and preferably is 12 (1,12-dodecanediamine), units derived from a symmetrical diacid or derivatives of said diacid, preferably a symmetrical aromatic dicarboxylic acid. The copolymer has minor amounts, preferably 3 to 30 and more preferably 5 to 10 mol percent, of units derived from an additional comonomer.

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Journal of Polymer Science, vol. VIII, No. 1, pp. 1-19, "The p-Phenylene Linkage in Linear High Polymers; Some Structure-Property Relationships" Owen B. Edgar, Rowland Hill, 1958.
Saotome et al., Polyamides Having Long Methylene Chain Units, J. Pol. Sci. Part A-1, vol. 4, pp. 1463-1473 (1966).

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