Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1991-09-03
1993-08-31
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528 15, 528 25, 528 27, 528 28, 528 33, 528170, 528220, 528229, 528315, 528321, 528374, 528389, C08G 7312
Patent
active
052410382
ABSTRACT:
A process for the preparation of aromatic imide sulfide polymers and polymers produced. In the process, elemental sulfur is reacted with a compound having the general formula ##STR1## wherein Z.sup.1 is a direct link and Z.sup.2 is H, or Z.sup.1 has the general structure ##STR2## or Z.sup.1 and Z.sup.2 together complete a moiety having the general structure ##STR3## n= 0-4 . R.sup.1 is substituted or unsubstituted: aryl or heteroaryl. ##STR4## which R.sup.3 is an independently selected aryl group, m is an integer from 1 to 12, and j is an integer from 0 to 300.
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Fagerburg David R.
Perry Robert J.
Teegarden David M.
Turner S. Richard
Anderson Harold D.
Eastman Kodak Company
Walker Robert Luke
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