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Polyaniline derivative, preparation method of reductive poly Schiff base of polyaniline derivative and application of polyaniline derivative

A poly-Schiff base and polyaniline technology, applied in chemical instruments and methods, optics, instruments, etc., can solve problems such as low solubility, difficulty in processing into films, single structure and function of polyaniline, etc., to increase solubility, Improved solubility and faster response time

Inactive Publication Date: 2012-07-18
HEILONGJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the technical problems that the existing polyaniline has a single structure and function, low solubility in organic solvents, and is difficult to process into a film, and provides a preparation method of polyaniline derivatives and its reduced polySchiff base and its Applications

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  • Polyaniline derivative, preparation method of reductive poly Schiff base of polyaniline derivative and application of polyaniline derivative
  • Polyaniline derivative, preparation method of reductive poly Schiff base of polyaniline derivative and application of polyaniline derivative
  • Polyaniline derivative, preparation method of reductive poly Schiff base of polyaniline derivative and application of polyaniline derivative

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specific Embodiment approach 1

[0045] Specific embodiment one: the structural formula of the polyaniline derivative of the present embodiment is as follows:

[0046] In the formula, n is a positive integer, and R is where R″ is (CH 2 ) p CH 3 , p is 0-8, R' is H or CH 3 , m is 1-8.

[0047] The polyaniline derivatives of this embodiment use propeller-type triarylamine as a monomer, which can effectively reduce the strong force between polymer molecular chains and increase the solubility of the polymer. At the same time, triarylamine is easy to form cationic radicals and presents a Different from the triarylamine in the neutral state, and because the structure contains two monomer units, the polyaniline derivatives have color tunability due to the joint action; on the other hand, the synthesis of the usual light-emitting or color-changing polymers requires expensive raw materials , harsh synthesis conditions, and the present invention further increases its solubility by reducing the poly-Schiff b...

specific Embodiment approach 2

[0048] Embodiment 2: This embodiment is different from Embodiment 1 in that n is an integer ranging from 3 to 10. Others are the same as in the first embodiment.

[0049] Embodiment 3: The difference between this embodiment and specific embodiment 1 or 2 is that or R" in (CH 2 ) p CH 3 , p is 2-6. Others are the same as in the first or second embodiment.

specific Embodiment approach 4

[0050] Specific implementation mode four: the difference between this implementation mode and one of the specific implementation modes one to three is that m in is 3-5. Others are the same as those in the first to third specific embodiments.

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Abstract

The invention relates to a polyaniline derivative, a preparation method of reductive poly Schiff base of the polyaniline derivative and application of the polyaniline derivative, in particular relates to a polyaniline material as well as a preparation method and application thereof, and is mainly used for solving the technical problems that the existing polyaniline has poor dissolubility in an organic solvent and is difficultly processed into a film. The structure formula of the polyaniline derivative is shown in the specification. The preparation method of the polyaniline derivative comprises the following steps: adding conjugated poly Schiff base, a solvent and sodium borohydride in a three-neck flask, heating to 10-70 DEG C, and stirring and refluxing for 10-72 hours; cooling, pouring a product obtained from the former step into methanol; and filtering and drying to obtain the polyaniline derivative. The polyaniline derivative can be used as photoelectric materials including an electrochromic material, a fluorescent sense material, an acidic sense material, a cavity transmission material, a three-order non-linear material, an anti-counterfeiting material, a camouflage material and an automobile rearview mirror material, and can also be used for proton detection.

Description

technical field [0001] The invention relates to a polyaniline material and its preparation method and application. Background technique [0002] Entering the information age, organic electronics, as an emerging subject, has achieved rapid development. The combination of organic electronics, organic chemistry, and materials science has produced a number of new materials with excellent optoelectronic properties, covering many fields including display materials, military camouflage materials, information storage materials, sensing materials, and smart materials. Polyaniline and its derivatives with electrochromic properties have shown outstanding advantages and broad development and application prospects in the fields of display and sensing. Existing polyaniline has low solubility in organic solvents, and it is difficult to form a film by solution method, and most of the benzene rings are connected by N atoms, so the structure variety is limited and the function is single. C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G73/02C09K9/02C09K11/06G02F1/15G02F1/361G01N21/64
Inventor 牛海军马丽娜才继伟拓立彬
Owner HEILONGJIANG UNIV
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