High molecular weight polyamide production from dicarboxy termin

Details High molecular weight polyamide production from dicarboxy termin High molecular weight polyamide production from dicarboxy termin

1990-07-23

1992-01-07

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...

525419, 528335, 528336, C08G 6948

Patent

active

050793071

ABSTRACT:
This invention relates to a process for producing polyamides of high molecular weight from dicarboxy terminated prepolymers of relatively lower molecular weight by further polymerization in an extruder in the presence of an additive comprising a diamine.
The polyamides so formed are suitable for producing fabricated articles such as films, pipes, containers etc.

REFERENCES:
patent: 4760129 (1988-07-01), Haering et al.

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