Nanometer titanium dioxide for improving properties of 3D printing supplies and preparation method of nanometer titanium dioxide

A nano-titanium dioxide, 3D printing technology, applied in chemical instruments and methods, catalyst activation/preparation, chemical/physical processes, etc., to achieve high utilization rate and improve service life

Inactive Publication Date: 2016-12-07
方苑丁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, pure nano-titanium dioxide photocatalyst pow

Method used

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Embodiment 1

[0022] A method for preparing nano-titanium dioxide for improving the performance of 3D printing consumables, the method comprising the steps of:

[0023] (1) Prepare solution A: drop butyl titanate into absolute ethanol while stirring, then add glacial acetic acid, and stir for 0.5-1 hour, wherein the molar ratio of butyl titanate, absolute ethanol, and glacial acetic acid is 1:6:2;

[0024] (2) Preparation of solution B: drop the chlorides of gadolinium and praseodymium into absolute ethanol while stirring, then add glacial acetic acid, and stir for 0.5-1 hour. The ratio is 1:0.5:3:1;

[0025] (3) Slowly pour solution B into solution A, drop in hydrochloric acid solution to adjust the pH value to 4, continue stirring until it becomes a gel, and stop stirring;

[0026] (4) Seal the formed gel with filter paper and let it stand for aging at room temperature;

[0027] (5) Dry the aged gel in an oven to form granules;

[0028] (6) Put the dried granules into a mortar and gri...

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PUM

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Abstract

The invention provides nano titanium dioxide for improving the performance of 3D printing consumables and a preparation method thereof. The method of the present invention comprises the following steps: (1) preparing solution A: drop butyl titanate into absolute ethanol while stirring, then add glacial acetic acid, and stir for 0.5-1 hour; (2) prepare solution B: stir Drop the chlorides of gadolinium and praseodymium into absolute ethanol respectively, then add glacial acetic acid and stir for 0.5-1 hour; (3) slowly pour solution B into solution A to make a gel; (4) form (5) Dry the aged gel in an oven to form granules; (6) Grind the dried granules in a mortar and put them in a box-type resistance furnace , carbonized for half an hour, and continued to heat up to 600-800°C for calcination to obtain nano-titanium dioxide powder for improving the performance of 3D printing consumables. The present invention over TiO 2 The photocatalytic degradation performance of the material improves the product performance of 3D printing consumables and reduces the harmful gas generated during the printing process.

Description

Technical field: [0001] The invention relates to nano-titanium dioxide for improving the performance of 3D printing consumables and a preparation method thereof, belonging to the technical field of inorganic chemical materials. Background technique: [0002] At present, nearly 95% of FDM consumables use ABS and PLA as substrates, and their printing temperature is usually around 220°C, which belongs to medium temperature FDM consumables. New research from the Illinois Institute of Technology found that printers using ABS and PLA polymers as plastic raw materials have higher emissions of ultrafine particles (UFP), at rates similar to those of laser printers or burning cigarettes. Due to their small size, UFP can be deposited in the lungs and absorbed directly into the blood. Higher concentrations of UFP have been linked to the development of lung cancer, stroke, and asthma symptoms. The chemical composition of ABS and PLA emissions was not specified in the report, but ABS has...

Claims

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Application Information

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IPC IPC(8): B01J23/10
CPCB01J23/10B01J35/004B01J37/0036B01J37/0072B01J37/082
Inventor 方苑丁袁凯刘汉勇王彤晖狄小洋关晨晨
Owner 方苑丁
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