Diketopyrrolopyrrole-based polymers

Details Diketopyrrolopyrrole-based polymers Diketopyrrolopyrrole-based polymers

2011-04-26

2011-04-26

Gulakowski, Randy (Department: 1766)

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C528S216000, C528S117000, C528S377000, C528S380000, C257S066000, C257S040000

Reexamination Certificate

active

07932344

ABSTRACT:
A polymer has a structure represented by:wherein each R is independently selected from hydrogen, an optionally substituted hydrocarbon, and a hetero-containing group,each M is conjugated moiety selected from:and substituted derivatives and combinations thereof,a represents a number that is at least 1;b represents a number from 1 to 20;n represents a number from 2 to 500a represents a number that is at least 1,b represents a number from 0 to 20,n represents a number from 2 to 5000,each X is independently selected from S, Se, 0, and NR″, where each R″ is independently selected from hydrogen, an optionally substituted hydrocarbon, and a hetero-containing group,each Z is independently one of an optionally substituted hydrocarbon, a hetero-containing group, and a halogen,d represents a number which is at least 1, ande represents a number from zero to 2.

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