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ABS hydrophobic and oleophobic material with surface loaded by TiO2/diatomite, and preparation method thereof

A technology of surface loading and diatomite, applied in chemical instruments and methods, chemical/physical processes, physical/chemical process catalysts, etc., to achieve the effect of not easy to accumulate water vapor, simple manufacturing process, and low price

Inactive Publication Date: 2013-09-04
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The super-water performance of the surface is controlled by both the surface chemical properties and the surface morphology. At present, methods such as doping, etching, spraying, phase separation, and templates are commonly used to control the surface morphology. Due to the constraints of processing conditions, these methods are difficult to expand their applications. , although there have been more and more literature reports on the research on superhydrophobic surfaces, there are still many problems in its practical application, which need further research to solve

Method used

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  • ABS hydrophobic and oleophobic material with surface loaded by TiO2/diatomite, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A. Preparation of TiO 2 / Diatomite composite photocatalytic material:

[0027] (1) According to the volume ratio of butyl titanate, absolute ethanol and glacial acetic acid as 25:50:5, add analytical pure butyl titanate to analytical pure absolute ethanol, then add analytical pure glacial acetic acid, and then stir 30min to form a light yellow transparent solution A;

[0028] (2) According to the volume ratio of deionized water, analytically pure nitric acid and analytically pure absolute ethanol as 10:2:50, take deionized water and nitric acid and add them to absolute ethanol to obtain a transparent solution B;

[0029] (3) Stir diatomaceous earth and deionized water at a solid-to-liquid ratio (g / mL) of 8:100 to form a suspension, then add 1 mL of ferric nitrate solution with a concentration of 3 mol / L to the suspension, mix and stir evenly , so that the mass concentration of metal ions is 1%, and then adding a sodium hydroxide ethanol solution with a concentration o...

Embodiment 2

[0035] A. Preparation of TiO 2 / Diatomite composite photocatalytic material:

[0036] (1) According to the volume ratio of butyl titanate, absolute ethanol and glacial acetic acid as 20:48:2, add analytical pure butyl titanate to analytical pure absolute ethanol, then add analytical pure glacial acetic acid, and then stir 20min to form a light yellow transparent solution A;

[0037] (2) According to the volume ratio of deionized water, analytically pure nitric acid and analytically pure absolute ethanol as 13:3.5:47, take deionized water and nitric acid and add them to absolute ethanol to prepare a transparent solution B;

[0038] (3) Stir diatomite and deionized water at a solid-to-liquid ratio (g / mL) of 1:100 to form a suspension, then add lanthanum nitrate solution with a concentration of 1mol / L to the suspension, mix and stir evenly, Make the mass concentration of metal ions 0-5%, and then add a sodium hydroxide ethanol solution with a concentration of 3mol / L to it until...

Embodiment 3

[0044] A. Preparation of TiO 2 / Diatomite composite photocatalytic material:

[0045] (1) According to the volume ratio of butyl titanate, absolute ethanol and glacial acetic acid as 28:54:8, add analytical pure butyl titanate to analytical pure absolute ethanol, then add analytical pure glacial acetic acid, and then stir 50min to form a light yellow transparent solution A;

[0046] (2) According to the volume ratio of deionized water, analytically pure nitric acid and analytically pure absolute ethanol as 8:1:55, take deionized water and nitric acid and add them to absolute ethanol to obtain a transparent solution B;

[0047] (3) Stir diatomite and deionized water at a solid-to-liquid ratio (g / mL) of 12:100 to form a suspension, then add metal aluminum nitrate solution with a concentration of 6mol / L to the suspension, mix and stir evenly , so that the mass concentration of metal ions is 0 to 5%, and then adding a sodium hydroxide ethanol solution with a concentration of 5 m...

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Abstract

The invention provides an ABS hydrophobic and oleophobic material with surface loaded by TiO2 / diatomite, and a preparation method thereof. The ABS hydrophobic and oleophobic material is composed by the following raw materials by mass: 98-99.9% of an ABS resin and 0.1-2% of a TiO2 / diatomite composite photocatalytic material. The ABS hydrophobic and oleophobic material with the surface loaded by TiO2 / diatomite is obtained by the steps of A. firstly preparing the TiO2 / diatomite composite photocatalytic material, B. dispersing the TiO2 / diatomite composite photocatalytic material in ethanol to form a suspension liquid, and C. coating the suspension liquid on the surface of a mold, then keeping ABS resin particles at the temperature of 100-140 DEG C for 10-30 min, and compression molding at the temperature of 150-180 DEG C; or keeping the ABS resin particles at the temperature of 100-140 DEG C for 10-30 min, compression molding at the temperature of 150-180 DEG C, then coating the suspension liquid obtained by the step B on the surface of the compression molded ABS resin material, and then compression molding at the temperature of 150-180 DEG C. The ABS hydrophobic and oleophobic material has the characteristics of super-hydrophobic surface self-cleaning effect and self-cleaning capacity. The preparation method is simple in process, simple in operations, small in investment, low in operation cost and no pollution to environment.

Description

technical field [0001] The invention relates to an ABS resin material, in particular to an amphoteric, deodorizing, mildew-removing and antibacterial ABS resin material with surface self-cleaning effects and a preparation method thereof, belonging to the technical field of functional materials. Background technique [0002] Health, energy saving and environmental protection have become the main trends in the future development of household appliances. ABS resin has been widely used in home appliances due to its superior mechanical and chemical properties. Amphiphobic technology and nanotechnology also have good application prospects for the self-cleaning of the surface of home appliances and refrigeration systems. By studying the microstructure of superhydrophobic lotus leaves, people know that the wettability of solid surfaces is mainly determined by the chemical composition and three-dimensional microstructure of the surface, which provides new ideas and methods for prepar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08K3/22C08K3/34B01J31/38A01P1/00A01P3/00
Inventor 严继康唐婉霞袁君甘国友杜景红张家敏刘意春易健宏
Owner KUNMING UNIV OF SCI & TECH
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