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Synthesis and Properties of Soluble 3,3′,4,4′-Benzophenonetetracarboxylic Dianhydride Copolyimides Based on 1,1-Bis[4-(4-aminophenoxy)phenyl]-1-phenylethane and Commercial Dianhydrides

✍ Scribed by Chin-Ping Yang; Ruei-Shin Chen; Mao-Feng Hsu


Book ID
110407662
Publisher
Springer
Year
2002
Tongue
English
Weight
102 KB
Volume
9
Category
Article
ISSN
1022-9760

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✍ Chin-Ping Yang; Ruei-Shin Chen 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 144 KB 👁 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