Continuous preparation of linear high molecular weight polyamide

Details Continuous preparation of linear high molecular weight polyamide Continuous preparation of linear high molecular weight polyamide

1991-07-10

1992-08-18

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...

528480, 528483, 528502, 528503, C08G 6948

Patent

active

051400987

ABSTRACT:
Linear high molecular weight polyamides containing a regulated level of amino and carboxyl end groups are prepared in a continuous process by reacting polyamides in the melt with polyamide-forming diamines or dicarboxylic acids by continuous mixing for a residence time of .ltoreq.10 minutes, granulating the polyamide, and further condensing the polyamide granules thus obtained in solid phase in the presence of inert gases until the viscosity has reached the desired level.

REFERENCES:
patent: 2174527 (1939-10-01), Peterson
patent: 5079307 (1992-01-01), Taylor et al.
Synthetische Fasern aus Polyamiden, Akademie-Verlag, Berlin 1963, 170, 194, 215.

Affiliated with

Also associated with

Rating

Continuous preparation of linear high molecular weight polyamide does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Continuous preparation of linear high molecular weight polyamide, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Continuous preparation of linear high molecular weight polyamide will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1249935