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Thiophene acetenyl polymer capable of realizing ordered ultra-assembling with carbon nanotube, and preparation method thereof

A carbon nanotube and acetylene-based technology is applied in the field of thiophene-acetylene-based polymers and their preparation, which can solve the problems of difficult dispersion and easy agglomeration, and achieve the effects of easy operation, good stability, and low cost of raw materials and equipment.

Pending Publication Date: 2019-09-03
FUDAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the defects that existing carbon nanotubes are easy to agglomerate and difficult to disperse, the present invention provides a thienylethynyl polymer with good stability and orderly superassembly with carbon nanotubes and a preparation method thereof

Method used

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  • Thiophene acetenyl polymer capable of realizing ordered ultra-assembling with carbon nanotube, and preparation method thereof
  • Thiophene acetenyl polymer capable of realizing ordered ultra-assembling with carbon nanotube, and preparation method thereof
  • Thiophene acetenyl polymer capable of realizing ordered ultra-assembling with carbon nanotube, and preparation method thereof

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Experimental program
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Embodiment 1

[0032] The preparation process of thienylethynyl polymer 6a:

[0033] .

[0034] The synthesis of intermediates 2a-5a was carried out according to the steps reported in Chem. Eur. J. 2011, 17, 1473-1484.

[0035] Intermediate 2a is a colorless liquid. 1 H NMR (500 MHz, Chloroform- d ) δ 6.34 (s, 2H),4.02 (t, J = 6.1 Hz, 4H), 1.81 – 1.69 (m, 4H), 1.58 – 1.46 (m, 4H), 0.96 (t, J = 7.6 Hz, 6H).

[0036] Intermediate 3a is a white solid. 1 H NMR (500 MHz, Chloroform- d ) δ 4.08 (t, J = 6.1Hz, 4H), 1.79 – 1.69 (m, 4H), 1.58 – 1.49 (m, 4H), 0.97 (t, J = 7.6 Hz, 6H).

[0037] Intermediate 4a, white solid. 1 H NMR (500 MHz, Chloroform- d ) δ 4.09 (t, J = 6.1Hz, 4H), 1.77 – 1.67 (m, 4H), 1.49 – 1.39 (m, 4H), 0.95 (t, J = 7.6 Hz, 6H),0.25 (s, 18H).

[0038] Intermediate 5a, white solid. 1 H NMR (500 MHz, Chloroform- d ) δ 4.07 (t, J = 6.1Hz, 4H), 3.32 (s, 2H), 1.79 – 1.72 (m, 4H), 1.57 – 1.47 (m, 4H), 0.96 (t, J =7.6 Hz, 6H).

[0039] Polymer 6a: Add interme...

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Abstract

The invention belongs to the technical field of organic ultramolecular material, and more specifically relates to a thiophene acetenyl polymer capable of realizing ordered ultra-assembling with carbonnanotube, and a preparation method thereof. The main chain of the polymer is thiophene-2-acetylene, and the side chains are alkyloxy groups containing carbon chains of different length. The preparation method comprises following steps: 3, 4-dihydroxy thiophene is taken as an initial raw material, etherification and bromination are carried out so as to obtain 2, 5-dibromo-3, 4-dialkoxythiophene; reaction with trimethyl silicon-based acetylene is carried out so as to obtain bis(trimethylsilyl)thiophene; deprotection of TMS protective groups is carried out so as to obtain a double end alkyne thiophene intermediate, and Sonogashira reaction with 2, 5-dibromo-3, 4-dialkoxythiophene is carried out so as to obtain the thiophene acetenyl polymer. An ultra assembled system with main chain phi-phiadsorption and side chain twining can be formed between the thiophene acetenyl polymer and carbon nanotube, and a compound formed by the ultra assembled system is excellent in stability, and promisingin application prospect.

Description

technical field [0001] The invention belongs to the technical field of organic supramolecular materials, and in particular relates to a thienylethynyl polymer capable of orderly superassembling with carbon nanotubes and a preparation method thereof. [0002] technical background [0003] Self-assembly (self-assembly) refers to a technology in which basic structural units (molecules, nanomaterials, micron or larger scale substances) spontaneously form ordered structures. In the process of self-assembly, basic structural units spontaneously organize or aggregate into a stable structure with a certain regular geometric appearance under the interaction based on non-covalent bonds. [0004] Carbon nanotubes are one-dimensional nanomaterials with a hexagonal structure as the main linking group. The surface is rich in π electrons and has excellent mechanical, electrical and chemical properties. It is widely used in the preparation of military and civilian lightweight materials. Hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G61/12C08L65/00C08K3/04
CPCC08G61/126C08G2261/124C08G2261/1424C08G2261/3223C08G2261/3328C08G2261/415C08K3/041C08L65/00
Inventor 孔彪李继超曾洁
Owner FUDAN UNIV