Photochemical degradable sol composition and preparation method thereof

A technology of photochemistry and composition, which is applied in the field of photochemical degradation sol composition, can solve the problems of complex manufacturing process, high cost, and limitation, and achieve the effect of low cost and easy operation

Active Publication Date: 2011-05-04
SHANGHAI DONGSHENG NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the poor stability of the photodegradable catalytic resin, the complex manufacturing process and the high cost, it is difficult to be accepted by enterprises, and the degradation effect on organic matter is also limited due to the poor stability of the photodegradable catalytic resin.

Method used

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  • Photochemical degradable sol composition and preparation method thereof
  • Photochemical degradable sol composition and preparation method thereof
  • Photochemical degradable sol composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Photochemical degradation sol composition: (parts by weight)

[0029] 50 parts of deionized water, 0.5 parts of photographic gelatin, 0.5 parts of Span 80, 40 parts of 20 nanometer sharp titanium dioxide, 4 parts of 40 nanometer rutile titanium dioxide, 5 parts of mixed light-absorbing cyanine dye, 0.5 part of bismuth nitrate, trichloro 0.5 part of cerium oxide, 1 part of 20 nanometer ferric oxide;

[0030] The particle size of both nano sharp titanium dioxide and nano rutile titanium dioxide is 40 nanometers;

[0031] Nano ferric oxide particle size is 50 nanometers;

[0032] The preparation method of photochemical degradation sol composition:

[0033] In the reaction kettle, add photographic gelatin to deionized water at room temperature, add Span 80 after 20 minutes, raise the temperature of the gelatin solution to 45°C, add nano-scale sharp phase titanium dioxide and nano-scale rutile type after the gelatin is fully dissolved Titanium dioxide, stir with a high-sp...

Embodiment 2

[0037] Photochemical degradation sol composition: (parts by weight)

[0038] 50 parts of deionized water, 1.5 parts of photographic gelatin, 1.5 parts of Span 80, 50 parts of 40 nanometer sharp titanium dioxide, 5 parts of 20 nanometer rutile titanium dioxide, 15 parts of mixed light-absorbing cyanine dye, 1 part of bismuth nitrate, trichloro 0.6 parts of cerium oxide, 3 parts of 30 nanometer ferric oxide;

[0039] The particle size of nano sharp titanium dioxide and nano rutile titanium dioxide is 20 nanometers;

[0040] Nano ferric oxide particle size is 20 nanometers;

[0041] The preparation method of photochemical degradation sol composition:

[0042] In the reaction kettle, add photographic gelatin to deionized water at room temperature, add Span 80 after 30 minutes, heat the gelatin solution to 55°C, add nano-scale sharp phase titanium dioxide and nano-scale rutile type after the gelatin is fully dissolved Titanium dioxide, stir with a high-speed disperser (1500 rpm)...

Embodiment 3

[0046] Photochemical degradation sol composition: (parts by weight)

[0047] 50 parts of water, 1 part of photographic gelatin, 1 part of Span 80, 45 parts of 30 nanometer sharp titanium dioxide, 6 parts of 30 nanometer rutile titanium dioxide, 10 parts of mixed light-absorbing cyanine dye, 0.6 part of bismuth nitrate, cerium trichloride 0.7 parts, 2 parts of 40 nanometer ferric oxide, nano-sharp titanium dioxide and nano-rutile titanium dioxide are both 40 nanometers in particle size;

[0048] Nano ferric oxide particle size is 30 nanometers;

[0049] The preparation method of photochemical degradation sol composition:

[0050]In the reaction kettle, add photographic gelatin to deionized water at room temperature, add Span 80 after 25 minutes, raise the temperature of the gelatin solution to 50°C, and add nano-scale sharp phase titanium dioxide and nano-scale rutile type after the gelatin is fully dissolved. Titanium dioxide, stir with a high-speed disperser (1500 rpm) for ...

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Abstract

The invention provides a photochemical degradable sol composition and a preparation method thereof. The composition comprises the following components in part by weight: 50 parts of water, 0.5 to 1.5 parts of photographic gelatin, 0.5 to 1.5 parts of span 80, 40 to 50 parts of nano anatase titanium white powder, 4 to 8 parts of nano rutile titanium white powder, 5 to 15 parts of mixed light absorbing cyanine dye, 0.5 to 1 part of bismuth nitrate, 0.5 to 1 part of cerous chloride and 1 to 3 parts of nano iron sesquioxide. The degradable sol composition integrates photochemistry, catalysis technology and nano chemistry; sunlight serving as inexhaustible natural resource can be fully utilized and combined with non selectively of modern advanced photochemistry, catalysis technology and nano chemistry on organic waste degradation and oxidation effects; and the method has low cost, is simple and convenient to operate, and is suitable for developing medium and small enterprises.

Description

technical field [0001] The invention relates to a photochemical degradation sol composition, strictly speaking, it is a degradation sol composition integrating photochemistry, catalytic technology and nanometer chemistry. Background technique [0002] The rapid development of my country's chemical industry has played a huge role in the take-off of my country's economic construction. With the continuous improvement of science and technology, various high-tech and high value-added new materials are used in various fields, and have become industry, agriculture, military and Indispensable materials in people's daily life. The rapid development of the chemical industry must also require a higher environmental protection system to adapt. For decades, humans have accumulated a lot of experience in the treatment of organic waste, through photochemical degradation, biochemical degradation, enzymatic degradation and other technologies It has played a very good role in purifying the en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J31/38B01J35/12
Inventor 施晓旦郭和森
Owner SHANGHAI DONGSHENG NEW MATERIALS
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