Polyamides with high glass transition temperatures prepared from

Details Polyamides with high glass transition temperatures prepared from Polyamides with high glass transition temperatures prepared from

1982-09-15

1984-01-31

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528310, 528321, 528329, 528330, 528353, C08G 6908, C08G 6926, C08G 6936

Patent

active

044291094

ABSTRACT:
Polyamides containing as much as 50 mole percent nylon-3 units in at least a partially alternating system and exhibiting high glass transition temperatures (Tg) can be prepared from N,N'-terephthaloyldi-beta-alanine and a diamine, such as bis(p-aminocyclohexyl)methane. Properties of such polyamides can be controlled by choice of the diamine and the preparation temperature without loss of the high Tg. The polyamides of this invention exhibit utility in comfort fiber applications.

REFERENCES:
patent: 2252555 (1941-08-01), Carothers
patent: 2356702 (1944-08-01), Schlack
patent: 2500317 (1950-03-01), Lincoln
patent: 2672480 (1954-03-01), Matlack
patent: 2749331 (1956-06-01), Breslow
patent: 3046260 (1962-07-01), Steward et al.
patent: 4283524 (1981-08-01), Greene

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