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Polymere charge-transfer-komplexe auf der basis von polyvinylalkoholacetalen, 4

✍ Scribed by GeißLer, Ulrich ;Schulz, Rolf C.

Book ID
102938437
Publisher
Wiley (John Wiley & Sons)
Year
1982
Weight
629 KB
Volume
183
Category
Article
ISSN
0025-116X

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✦ Synopsis

Abstract

Partially acetalisized poly(vinyl alcohol)s with degrees of acetalization between 39 and 60% were prepared by reaction of poly(vinyl alcohol) with 9‐isobutyl‐3‐carbazolealdehyde (5a) or 3‐formyl‐9‐((S)‐2‐methylbutyl)carbazole (5b). Complex formation constants and ε‐values of the charge‐transfer complexes with ethylenetetracarbonitrile, 2,5‐cyclohexadien‐1, 4‐diylidenedimalonodinitrile, 2,4,5,7‐tetranitro‐9‐fluorenone, and 2,4,7‐trinitro‐9‐fluorenone were determined. Circular dicroism measurements of the optically active CT‐complexes indicate two distinct CT‐transitions.

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