Polyquinoxalines containing flexibilizing groups in the polymer chain
Abstract
Abstract POLYQUINOXALINES CONSISTING ESSENTIALLY OF UNITS OF THE FORMULA -(3-Y-QUINOXALIN-2,6-YLENE)-X-(3-Y-QUINOXALIN-7,2-YLENE)- AR- WHERE Y IS-C6H5 OR H, AR IS M-PHENYLENE, P-PHENYLENE OR -(1,4-PHENYLENE)-Z-(1,4-PHENYLENE)- WHEREIN Z IS O, S, SO, OR SO2, AND X IS A DIRECT BOND -CO-, -O-, -S-, -SO-, OR -SO2- PROVIDED THAT WHEN X IS A DIRECT BOND, O, S, SO OR SO2, Y IS-C6H5 AND AR IS -(1,4-PHENYLENE)-Z-(1,4-PHENYLENE)- WHEREIN Z IS S, SO, OR SO2 AND FURTHER PROVIDED THAT WHEN AR IS M-PHENYLENE, P-PHENYLENE OR -(1,4-PHENYLENE)-Z-(1,4-PHENYLENE)- WHEREIN Z IS O, Y IS-C6H5 AND X IS -CO- ARE PREPARED BY REACTING A TETRAMINE OF THE FORMULA (3,4-DI(NH2-)PHENYL)2-X WITH COMPOUNDS OF THE FORMULA Y-CO-CO-AR-CO-CO-Y THESE POLYMERS CAN BE MADE INTO FIBERS OR FILMS AND CAN BE USED AS COATINGS AND LAMINATING RESINS.
Inventors
- 👤 J Augl
- 👤 W Wrasidlo
Bibliographic Details
Claims Analysis
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