Biomimetic preparation method of strontium carbonate crystal

The technology of strontium carbonate and crystal is applied in the field of preparing corolla nano strontium carbonate crystals by a bionic method, which can solve the problems of loose corolla structure, small corolla diameter and high preparation cost, and achieve the effects of tight corolla structure, low preparation cost and easy operation.

Inactive Publication Date: 2018-10-19
NANCHANG HANGKONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the disadvantages of high energy consumption (reaction temperature is 200°C), small corolla diameter (about 500nm), loose corolla structure, and high preparation cost in the existing method for preparing corolla strontium carbonate rod-shaped nanocrystals, and proposes a preparation method with mild preparation conditions. A method for preparing corolla strontium carbonate nanocrystals with low energy consumption, large corolla diameter, compact corolla structure, high purity, high yield, and low preparation cost

Method used

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  • Biomimetic preparation method of strontium carbonate crystal
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Experimental program
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Embodiment 1

[0014] The preparation device is a communication device composed of 5 reactors with an effective reaction volume of 200L, which are named Reactor No. 1, Reactor No. 2, Reactor No. 3, Reactor No. 4 and Reactor No. 5 in order of connection. Each reactor has a communication port, and the vertical distance between the upper edge of the communication port and the upper edge of the reactor is 15cm. The reactors are connected by connecting pipes, which can be disassembled; switches are installed on the connecting pipes. A barrier plate is installed in the middle of each reactor to control and change the direction of movement of reactant molecules. The upper edge of the group partition is 5 cm higher than the upper edge of the communication port; a space of 10 cm is left between the lower edge of the group partition and the bottom of the reactor to ensure that the solutions in the five reactions are connected. An ear groove is respectively installed on the opposite side of the connec...

Embodiment 2

[0017] The preparation device is a communication device composed of 5 reactors with an effective reaction volume of 200L, which are named Reactor No. 1, Reactor No. 2, Reactor No. 3, Reactor No. 4 and Reactor No. 5 in order of connection. Each reactor has a communication port, and the vertical distance between the upper edge of the communication port and the upper edge of the reactor is 15cm. The reactors are connected by connecting pipes, which can be disassembled; switches are installed on the connecting pipes. A barrier plate is installed in the middle of each reactor to control and change the direction of movement of reactant molecules. The upper edge of the group partition is 5 cm higher than the upper edge of the communication port; a space of 10 cm is left between the lower edge of the group partition and the bottom of the reactor to ensure that the solutions in the five reactions are connected. An ear groove is respectively installed on the opposite side of the connec...

Embodiment 3

[0020] The preparation device is a communication device composed of 5 reactors with an effective reaction volume of 200L, which are named Reactor No. 1, Reactor No. 2, Reactor No. 3, Reactor No. 4 and Reactor No. 5 in order of connection. Each reactor has a communication port, and the vertical distance between the upper edge of the communication port and the upper edge of the reactor is 15cm. The reactors are connected by connecting pipes, which can be disassembled; switches are installed on the connecting pipes. A barrier plate is installed in the middle of each reactor to control and change the direction of movement of reactant molecules. The upper edge of the group partition is 5 cm higher than the upper edge of the communication port; a space of 10 cm is left between the lower edge of the group partition and the bottom of the reactor to ensure that the solutions in the five reactions are connected. An ear groove is respectively installed on the opposite side of the connec...

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Abstract

The invention discloses a biomimetic preparation method of a strontium carbonate crystal, wherein a coronary strontium carbonate nano crystal is prepared by a biomimetic method in a specific communication device by adopting strontium chloride hexahydrate and ammonium bicarbonate as reactants and sesbania gum as a biological regulation agent. According to the target product coronary strontium carbonate nano crystal, the corolla diameter is 3,000-6,000nm; the corolla is composed of nano rods with diameter being 50-80nm; the corolla structure is tight, with purity being greater than or equal to 99% and yield being 97-99%. The method disclosed by the invention has the characteristics of mild conditions, low energy consumption, large corolla diameter, tight corolla structure, high purity, highyield, low preparation cost, etc.

Description

technical field [0001] The invention relates to a method for bionic preparation of strontium carbonate crystals, in particular to a method for preparing corolla nano-scale strontium carbonate crystals by bionic method using strontium chloride hexahydrate and ammonium bicarbonate as reactants, and safflower gum as biological regulator. method. The specific technical field of the invention is the preparation of strontium carbonate coronal nanocrystals. Background technique [0002] Strontium carbonate is a widely used basic chemical raw material, which can be used to prepare functional materials such as magnetic materials, special glasses, fine ceramic materials, high dielectric materials, and piezoelectric materials. Nano-strontium carbonate crystals have special physical properties, and have good applications in the miniaturization, light weight, high frequency and multifunctional aspects of switching power supplies, transformers, sensors, capacitors, thermistors, speakers,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F11/18B82Y40/00
CPCB82Y40/00C01F11/187C01P2004/03C01P2004/16C01P2004/50C01P2004/61C01P2004/64C01P2006/80
Inventor 徐玉娜钟学明
Owner NANCHANG HANGKONG UNIVERSITY
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