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Multifunctional triarylamine-containing oxazine polymer and preparation method and application thereof

A triarylamine-based, polymer technology, applied in chemical instruments and methods, through chemical reaction of materials for analysis, fluorescence/phosphorescence, etc., can solve the problems of poor film adhesion and poor heat resistance, etc. Effects of solubility, good heat resistance, excellent electrochromic properties and memory properties

Active Publication Date: 2019-04-09
HEILONGJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention is to solve the problems of poor heat resistance and poor film adhesion of electrochromic polymer films in existing triarylamine-based polymers, and provides a A kind of multifunctional triarylamino-containing oxazine polymer and its preparation method and application

Method used

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  • Multifunctional triarylamine-containing oxazine polymer and preparation method and application thereof
  • Multifunctional triarylamine-containing oxazine polymer and preparation method and application thereof
  • Multifunctional triarylamine-containing oxazine polymer and preparation method and application thereof

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specific Embodiment approach 1

[0032] Specific embodiment 1: The structural formula of a kind of multifunctional triarylamino-containing oxazine polymer in this embodiment is as follows: In the formula, n is an integer of 3 to 10.

[0033] In this embodiment, the triphenylamine-based monomer is prepared first, and this embodiment uses N 4 ,N 4 -Di-naphthalene-2-yl-biphenyl-4,4-diamine is used as raw material and then reacted with p-fluoronitrobenzene to realize nitration, and then the nitro group is reduced to amino, with bisphenol A, paraformaldehyde , the prepared triphenylamine-based monomers are used as raw materials and synthesized through Mannich condensation reaction under certain conditions to synthesize a series of polymers with relatively small molecular weights. Such polymers can be ring-opened and polymerized under the action of heating or catalysts.

[0034] This implementation mode has the following special effects:

[0035] 1. In this embodiment, the benzoxazine structure is introduced into...

specific Embodiment approach 2

[0040] Specific embodiment two: the preparation method of a kind of multifunctional triarylamino-containing oxazine polymer of this embodiment is:

[0041] 1. N,N'-bis(4-aminophenyl)-N,N'-di-2-naphthyl-1,4-biphenyldiamine

[0042] in N 2 Atmosphere, set N 4 ,N 4 - Di-naphthalene-2-yl-biphenyl-4,4-diamine monomer, sodium hydride and anhydrous N, N-dimethylformamide are placed in a three-necked flask, and stirred at 1 to 2 drops per second Add p-fluoronitrobenzene at the dropping speed, heat up to 114-115°C, carry out constant temperature reaction, and then cool down; put the reaction product in water at 24-25°C until the crude product precipitates, then filter out the crude product, and use 99-100°C The crude product was washed with water for 2 to 3 times, the obtained crude product was dried in a vacuum drying oven, and then recrystallized with ethanol, and the crystallized product was filtered out after recrystallized, and the crystallized product was vacuum-dried to obtai...

specific Embodiment approach 3

[0047] Specific embodiment three: the difference between this embodiment and specific embodiment two is that the powder M2 in step one ① is N, N'-bis(4-nitrophenyl)-N, N'-two-2-naphthyl -1,4-Benphenyldiamine. Others are the same as in the second embodiment.

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Abstract

The invention relates to a multifunctional triarylamine-containing oxazine polymer, a preparation method and application thereof, and aims at solving the problems that conventional triarylamine-containing polymers have poor heat resistance and electrochromic polymer thin films have poor film attaching ability. The preparation method comprises the following steps of: reacting N4,N4-di-naphthalene-2-base-biphenyl-4,4-diamine used as a raw material with p-fluoronitrobenzene to realize nitration, then reducing a nitro group into an amino group, carrying out condensation reaction under certain conditions to synthesize the polymer by using a triphenylamine-based monomer prepared from bisphenol A and paraformaldehyde as a raw material. The polymer has excellent electrochromism property and memoryproperty, can be applied to the field of electrochromism, has good performance in explosive detection and is applied to the field of electrochromic polymers.

Description

technical field [0001] The invention relates to a multifunctional triarylamino-containing oxazine polymer, a preparation method and application thereof. Background technique [0002] Electrochromic polymers are polymers that change color when the voltage or current is changed. Conductive polymers such as polythiophene, polypyrrole, polyacetylene, and some liquid crystal polymers can be used as electrochromic materials. The conductive polymer itself is a delocalized conjugated structure, and the energy gap between the valence band and the conduction is very small. If the polymer is doped (an ionic compound of an electron donor or acceptor), the energy band structure will also follow. Changes occur, and by applying an external electric field, the absorption of light is further changed, resulting in a change in color. As an emerging functional polymer material, electrochromic polymers have broad application prospects. [0003] At present, electrochromic polymers still have p...

Claims

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Application Information

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IPC IPC(8): C08G14/073C09K9/02G01N21/64G01N21/78
CPCG02F1/15G01N21/6428G01N21/78C09K9/02C07D265/16C09K2211/1033
Inventor 牛海军牛春阳王岩
Owner HEILONGJIANG UNIV
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