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Organosoluble, Low-Colored Fluorinated Polyimides Based on 1,1-Bis[4-(4-amino-2-trifluoromethylphenoxy)phenyl]-1-phenyl-2,2,2-trifluoroethane

โœ Scribed by Cheng-Lin Chung; Tuan-Wen Tzu; Sheng-Huei Hsiao


Publisher
Springer
Year
2006
Tongue
English
Weight
817 KB
Volume
13
Category
Article
ISSN
1022-9760

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โœ Chin-Ping Yang; Ruei-Shin Chen ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 144 KB ๐Ÿ‘ 1 views

1,1-Bis[4-(4-aminophenoxy)phenyl]-1-phenylethane (BAPPE) was prepared through nucleophilic substitution reaction of 1,1-bis(4-hydroxyphenyl)-1-phenylethane and p-chloronitrobenzene in the presence of K 2 CO 3 in N,N-dimethylformamide, followed by catalytic reduction with hydrazine and Pd/C. Novel or