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A kind of diisopropylpropylamine tetrafluoroborate crystal material and its preparation method and application

A technology of diisopropylpropylamine tetrafluoroborate and diisopropylpropylamine cation, which is applied in the field of organic-inorganic hybrid materials, can solve the problems of being located in a low temperature region and difficult practical application of materials, and achieves easy operation and convenient industrialization. , well-structured effects

Active Publication Date: 2022-02-01
JIANGSU VOCATIONAL INST OF ARCHITECTURAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, most of the ferroelectric properties of ammonium salt organic-inorganic hybrid crystalline ferroelectric materials discovered so far are located in the low temperature region, which brings great difficulties to the practical application of materials.

Method used

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  • A kind of diisopropylpropylamine tetrafluoroborate crystal material and its preparation method and application
  • A kind of diisopropylpropylamine tetrafluoroborate crystal material and its preparation method and application
  • A kind of diisopropylpropylamine tetrafluoroborate crystal material and its preparation method and application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] It is weighed with diisopropylamine 20.2 g (0.2 mol), dissolved in 40 ml of acetonitrile, and 1-bromopropane 12.2 g (0.1 mol) was dissolved in 30 mL of acetonitrile, and the two solutions were mixed after mixing for 72 hours, and gradually had a white solid. generate. Cooled to room temperature, 50 mL of distilled water was added, and the reaction liquid was divided into two layers. The upper liquid, 30 ml distilled water was separated twice with a separatory funnel. The product yield is increased by nearly 9 times (compared to the contrast 1), and the ammonium salt generated as the precipitation is deposited, and can be collected by simple filtration, which is more suitable for production.

Embodiment 2

[0045] It is called diisopropylamine (1.43 g, 10 mmol), dissolved in 20 mL of ethanol, stirring with HBF. 4 The solution was about 2 ml to weak acid (pH ≈ 6), allowed for a few minutes, filtration, filtrate, and purified colored colored crystals were precipitated after about two days.

Embodiment 3

[0047]The powder sample of the compound diisopropylamine tetrafluoroborate crystal is pressed into a sheet shape having a thickness of about 0.6 mm, electrode, copper wire, carbon conductive gel, and measures the area of ​​carbon conductive glue on the electrode and The thickness of the electrode is then placed on a dielectric measuring instrument to determine data corresponding to temperature change; Nonlinear optical effect testing Nd: YAG pulsed laser beam of 1064 nm; in the Rigaku DSC8230 instrument The thermal measurement, the specific test conditions are under a nitrogen atmosphere, and the heating or cooling rate of 10 k / min is carried out in the aluminum crucible; the crystal structure is parsed by direct method, and the OLEX2.13 software package is based on F 2 Full matrix method intensive.

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Abstract

The invention discloses a diisopropylpropylamine tetrafluoroborate crystal material, a preparation method and an application thereof, and belongs to the field of organic-inorganic hybrid materials. The crystalline material crystallizes at room temperature in P na2 1 The ferroelectric space group has two reversible phase transitions around 323.5K and 404K, and the heat absorption measured by differential calorimetry scanning is 40.375J / g and 11.014J / g, respectively. In addition, the preparation process of the crystal structure is simple, has good thermal stability and hydrophilic and lipophilic properties, can be mass-produced, and can be used as a low-cost, structurally defined amphiphilic room temperature ferroelectric material.

Description

Technical field [0001] The invention belongs to the field of organic inorganic hybrid materials. More specifically, it is related to diisopropyl amine organic synthesis, diisopropycemine tetrafluoroborate, and its crystal structure, and its application thereof. Background technique [0002] The ferroelectric material is an important type of electronic functional material, has a wide range of applications and good performance, due to its ferroelectric switching effect, thermal release effect, photovoltaic current effect, piezoelectric effect, acoustic optical effect, electro-optical effect and light Folding effects, therefore can be used to develop non-volatile ferroelectric memory, iron electrospheric memory, infrared detector, optical waveguide device, spatial light modulator, capacitor, sound surface wave device, microdynamic and laser multiplier, etc. Functional device. There is a spontaneous polarization of the ferroelectric material, and there is two or more possible orienta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C30B29/54C30B7/14
CPCC30B29/54C30B7/14
Inventor 王文祥孙悦聂景
Owner JIANGSU VOCATIONAL INST OF ARCHITECTURAL TECH
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