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A preparation of porous resin microspheres with controllable surface growth morphology tio 2 Methods

A technology of porous resin and surface growth, applied in chemical instruments and methods, chemical/physical processes, catalysts for physical/chemical processes, etc. Conductive capacity, high adsorption capacity, obvious effect

Active Publication Date: 2020-05-22
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Morphology-controllable growth of TiO on the surface of porous polymer microspheres has not been seen 2 (rod-like, spherical-like) related reports

Method used

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  • A preparation of porous resin microspheres with controllable surface growth morphology tio <sub>2</sub> Methods
  • A preparation of porous resin microspheres with controllable surface growth morphology tio <sub>2</sub> Methods

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: porous resin microsphere / TiO 2 Preparation of composite microspheres

[0021] Preparation mass concentration is the n-butyl titanate solution of 100g / L, and wherein solvent is the hydrochloric acid solution that concentration is 5mol / L; 3.0g porous poly (styrene-divinylbenzene) microspheres are added to 30g above-mentioned n-butyl titanate butyl ester solution, and ultrasonically dispersed. Transfer the dispersed solution to a polytetrafluoroethylene-lined stainless steel hydrothermal reaction kettle, then place the hydrothermal reaction kettle in a high-temperature oven, slowly raise the temperature to 180°C, and react for 12 hours, then naturally cool to room temperature, and wash the product with water And after centrifugation, the porous poly(styrene-divinylbenzene) microspheres / TiO 2 Composite microspheres.

Embodiment 2

[0022] Embodiment 2: porous resin microsphere / TiO 2 Preparation of composite microspheres

[0023] Preparation mass concentration is the tetraisopropyl titanate solution of 100g / L, and wherein solvent is that concentration is 5mol / L hydrochloric acid solution; 2.5g porous poly(glycidyl methacrylate-divinylbenzene) microspheres are added to 30g The above tetraisopropyl titanate solution, and ultrasonic dispersion. Transfer the dispersed solution to a polytetrafluoroethylene-lined stainless steel hydrothermal reaction kettle, then place the hydrothermal reaction kettle in a high-temperature oven, slowly raise the temperature to 200°C, and react for 6 hours, then naturally cool to room temperature, and wash the product with water And after centrifugation, the porous poly(glycidyl methacrylate-divinylbenzene) microspheres / TiO 2 Composite microspheres.

Embodiment 3

[0024] Embodiment 3: porous resin microsphere / TiO 2 Preparation of composite microspheres

[0025] Preparation mass concentration is the n-butyl titanate solution of 100g / L, and wherein solvent is that concentration is 4mol / L hydrochloric acid solution; 3.0g porous poly(glycidyl methacrylate-divinylbenzene) microspheres are added to 30g above-mentioned In n-butyl titanate solution, and ultrasonically dispersed. Transfer the dispersed solution to a polytetrafluoroethylene-lined stainless steel hydrothermal reaction kettle, then place the hydrothermal reaction kettle in a high-temperature oven, slowly raise the temperature to 220°C, react for 9 hours, cool to room temperature naturally, and wash the product with water And after centrifugation, the porous poly(glycidyl methacrylate-divinylbenzene) microspheres / TiO 2 Composite microspheres.

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Abstract

The invention relates to a method for preparing porous resin microsphere surface growth morphology controllable TiO2. The method comprises the following step: by taking porous resin microspheres as a substrate, growing an inorganic semiconductor TiO2 on the surface of the substrate in the hydrothermal process, thereby obtaining the porous resin microsphere / TiO2 composite microspheres. The morphology of TiO2 on the surface of the porous resin microspheres can be effectively regulated and controlled by adjusting resin pore struc6tures, titanium amounts, reaction times and the like. The porous resin microsphere / TiO2 composite microspheres have both a porous high specific surface area of a resin microsphere substrate and a catalysis property of a TiO2 material, that is, remarkable adsorption and degradation advantages, so that the microspheres have wide application prospects in the environment field.

Description

technical field [0001] The invention belongs to the technical field of new materials, and relates to a method for preparing TiO with controllable growth morphology on the surface of porous resin microspheres. 2 The method is specifically based on porous resin microspheres, and TiO with controllable morphology is grown on the surface through a hydrothermal process. 2 , so as to prepare porous resin microspheres / TiO 2 Method for Composite Microspheres. Background technique [0002] In recent years, TiO 2 Reports on controlled preparation are not uncommon, and TiO with morphologies such as flakes, spheres, rods, hollows, mesoporous, flower clusters, etc. 2 All of them can be obtained through the adjustment of synthesis methods and process conditions, and its application research in dye degradation is limited by the contradiction between its high specific surface area and high recovery efficiency. The researchers found that TiO can be realized on quartz glass (ZL201410346487...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J31/38B01J31/06B01J35/08B01J35/10
CPCB01J31/06B01J31/38B01J35/0033B01J35/004B01J35/08B01J35/1061
Inventor 张宝亮王继启张秋禹张和鹏呼延钰卜军
Owner NORTHWESTERN POLYTECHNICAL UNIV
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