SYNTHESES AND CHARACTERIZATIONS OF HYPERBRANCHED POLYPHENYLENES

Han  Penga-b; Hong-chen  Dongb; Yu-ping  Dongb; De-min  Jiaa; Ben-zhong  Tanga

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SYNTHESES AND CHARACTERIZATIONS OF HYPERBRANCHED POLYPHENYLENES

Rapid Communication | Updated：2021-06-21

- SYNTHESES AND CHARACTERIZATIONS OF HYPERBRANCHED POLYPHENYLENES
- Vol. 22, Issue 6, Pages: 501-503(2004)
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- Published：20 December 2004
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Han Penga-b, Hong-chen Dongb, Yu-ping Dongb, et al. SYNTHESES AND CHARACTERIZATIONS OF HYPERBRANCHED POLYPHENYLENES[J]. 2004, 22(6): 501-503.
DOI：

Han Penga-b, Hong-chen Dongb, Yu-ping Dongb, et al. SYNTHESES AND CHARACTERIZATIONS OF HYPERBRANCHED POLYPHENYLENES[J]. 2004, 22(6): 501-503. DOI：

摘要

New hyperbranched polyphenylenes with high molecular weights are synthesized by the copolycyclotrimerizations of 1

4-diethynylbenzene (I) with phenylacetylene (A)

1-octyne (B)

and 1-dodecyne (C) catalyzed by TaCl5?Ph4Sn. The polymers are completely soluble in common solvents such as toluene

THF

chloroform

and dichloromethane. The polymers are characterized by spectroscopic methods and all of the polymers give satisfactory analysis data corresponding to their expected molecular structures.

Abstract

New hyperbranched polyphenylenes with high molecular weights are synthesized by the copolycyclotrimerizations of 1

4-diethynylbenzene (I) with phenylacetylene (A)

1-octyne (B)

and 1-dodecyne (C) catalyzed by TaCl5?Ph4Sn. The polymers are completely soluble in common solvents such as toluene

THF

chloroform

and dichloromethane. The polymers are characterized by spectroscopic methods and all of the polymers give satisfactory analysis data corresponding to their expected molecular structures.

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