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Zirconium-containing organic-inorganic composite material as well as preparation method and application thereof

An inorganic composite material and organic technology, applied in the field of zirconium-containing organic-inorganic composite materials and their preparation, organic-inorganic hybrid composite materials, can solve the problems of low elastic modulus, poor flame retardancy, etc., and achieve excellent heat insulation performance , Improve rigidity and flame retardancy, improve service life and safety performance

Active Publication Date: 2020-01-17
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Purpose of the invention: Aiming at the problems of low elastic modulus and poor flame retardancy of the existing monodisperse polystyrene microspheres, the present invention provides a zirconium-containing organic-inorganic composite material and a preparation method of the composite material , and the application of the composite material in the preparation of zirconia ceramics

Method used

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  • Zirconium-containing organic-inorganic composite material as well as preparation method and application thereof
  • Zirconium-containing organic-inorganic composite material as well as preparation method and application thereof
  • Zirconium-containing organic-inorganic composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] (1) Preparation of zirconium sol: Stir and mix 20g of zirconium acetate with a Zr content of 15-16% and 20g of deionized water, then heat up to 70°C, stir continuously for 10min until the solution is fully diluted and becomes colorless and transparent, and then gradually Add about 2.8 g of 25% concentrated ammonia water dropwise until the pH of the solution is 5, then continue to keep warm and stir for 12 hours, and wait for the reaction to finish and leave it to age for 12 hours to obtain zirconium hydroxide sol with obvious Tyndall effect.

[0028] (2) Preparation of organic-inorganic composite emulsion sol by copolymerization reaction: 5.65 g of styrene monomer after washing with 10% sodium hydroxide aqueous solution, 20 g of prepared zirconium sol (wherein the zirconium content is about 2 g), 0.14g of initiator potassium persulfate and 65g of deionized water were uniformly mixed, then the temperature was raised to 70°C for 9h of copolymerization reaction, and an orga...

Embodiment 2

[0032] (1) Preparation of zirconium sol: the preparation steps are as in Example 1.

[0033](2) Preparation of organic-inorganic composite emulsion sol by copolymerization reaction: 5.65 g of styrene monomer after washing with 10% aqueous sodium hydroxide solution, 10 g of prepared zirconium hydroxide sol (wherein the zirconium content is about 1 g ), 0.14g of initiator potassium persulfate, and 75g of deionized water were mixed uniformly and heated to 70°C for 9 hours of copolymerization to obtain an organic-inorganic composite hybrid white emulsion sol composed of zirconium-containing polystyrene microspheres.

[0034] (3) Put the white organic-inorganic composite emulsion sol obtained in step (2) into a blast drying oven, and dry at 70° C. for 24 hours to obtain a zirconium-containing organic-inorganic composite material, namely zirconium-containing polystyrene microspheres.

Embodiment 3

[0036] (1) Preparation of zirconium sol: the preparation steps are as in Example 1.

[0037] (2) Preparation of organic-inorganic composite emulsion sol by copolymerization reaction: 1 g of styrene monomer after washing with 10% aqueous sodium hydroxide solution by mass fraction, 10 g of prepared zirconium hydroxide sol (wherein the zirconium content is about 1 g) , 0.025g of initiator potassium persulfate, and 13.3g of deionized water were uniformly mixed, and then the temperature was raised to 70°C for 9 hours of copolymerization to obtain zirconium-containing polystyrene microsphere organic-inorganic composite hybrid white emulsion sol.

[0038] (3) Put the white organic-inorganic composite emulsion sol obtained in step (2) into a blast drying oven, and dry at 70° C. for 24 hours to obtain a zirconium-containing organic-inorganic composite material, namely zirconium-containing polystyrene microspheres.

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Abstract

The invention discloses a zirconium-containing organic-inorganic composite material as well as a preparation method and application thereof. The organic-inorganic composite material is zirconium-containing polystyrene microspheres, and the preparation method of the organic-inorganic composite material comprises the following steps: firstly, by taking a styrene monomer and zirconium sol as raw materials, carrying out copolymerization reaction to obtain organic-inorganic composite emulsion sol of the zirconium-containing polystyrene microspheres; and then drying the composite emulsion sol to obtain the zirconium-containing polystyrene microspheres. The zirconium-containing organic-inorganic composite material can obviously improve the rigidity and flame retardancy of a product formed by taking a pure polystyrene organic material as a raw material, thereby prolonging the service life of the product, improving the safety performance of the product and widening the application range of polystyrene microspheres. Moreover, the zirconium-containing organic-inorganic composite material can be used for preparing zirconium oxide porous ceramic, a new method for preparing the zirconium oxide porous ceramic is provided, and the prepared zirconium oxide porous ceramic has both micron-scale and nano-scale pores and has excellent heat insulation performance.

Description

technical field [0001] The invention relates to an organic-inorganic hybrid composite material, in particular to a zirconium-containing organic-inorganic composite material and its preparation method and application, belonging to the technical field of functional materials. Background technique [0002] With the development of science and social technology, many fields such as aviation, aerospace, national defense, and energy have put forward requirements for new functional materials that combine the advantages of inorganic materials and organic materials. [0003] Monodisperse polystyrene (PS) microspheres are organic polymer spherical particles with a relatively uniform size and a large specific surface area produced by polymerization of organic styrene as a monomer. Polystyrene with a particle size of micronano Microspheres have many advantages such as strong particle size controllability, strong surface adsorption capacity, and large specific surface area. Therefore, the...

Claims

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Application Information

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IPC IPC(8): C08L25/06C08K3/22C08F112/08C04B35/48C04B38/06C04B35/622
CPCC08F112/08C08K3/22C04B35/48C04B38/067C04B35/622C08K2003/2244C08K2201/011C04B38/0054C08L25/06
Inventor 刘玉付周坤镯
Owner SOUTHEAST UNIV
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