Basic polypyrrylenemethines and salts thereof, and a process for

Details Basic polypyrrylenemethines and salts thereof, and a process for Basic polypyrrylenemethines and salts thereof, and a process for

1988-03-17

1991-04-02

Barr, Josephine

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252500, 252518, 252512, 252519, 252520, 528423, 204 59R, 526259, 526 90, 526137, 526173, 526213, 526214, C08F 2606, H01B 106

Patent

active

050045601

ABSTRACT:
Basic polypyrrylenemethines, and salts thereof, having conjugated double bonds and constructed from optionally substituted five-membered heterocyclic rings containing nitrogen, as the only hetero atom in the ring are disclosed, with the five-membered rings, in each case, being bonded to one another in pairs via an optionally substituted carbon atom as a bridging member. The polymer compositions of the invention contain at least five of these five-membered rings and 0 to 50%, relative to the weight of these polymers, of dopants and/or being electrochemically doped. A process for the preparation of the claimed compositions is further disclosed. The polymer compositions of the invention have electroconducting and semi-conducting properties and are useful, for example, in batteries, circuits and switches, if appropriately used in conjunction with other polymers. In addition, the compounds of the invention can also be employed as absorbents for heavy metals and as catalysts.

REFERENCES:
patent: 3086001 (1963-04-01), Wildi

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