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Synthesis and properties of polyurethanes containing enaminonitrile units in the main chain

✍ Scribed by Kim, Sang Tae; Moon, Hyun Syeok; Gong, Myoung Seon

Book ID
126424199
Publisher
American Chemical Society
Year
1992
Tongue
English
Weight
292 KB
Volume
25
Category
Article
ISSN
0024-9297

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## Abstract A diol monomer bearing carbazole units substituted with one acceptor group was prepred starting from 3‐formyl‐9‐(4‐hydroxybutyl)carbazole and hexamethylene bis(cyanoacetate) via Knoevenagel condensation. Main‐chain polyurethanes with acceptor‐substituted carbazole as nonlinear optical c