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Sustained-release gel composition containing mesoporous silicon

A slow-release gel and mesoporous silicon technology, which is applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve problems such as pollution, harm to human adolescents, and difficulty in eliminating volatile organic compounds, etc., and is beneficial to Adsorption, the effect of improving the stability of hydrogen bond adsorption

Inactive Publication Date: 2018-04-24
恺时浦(上海)检测技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since most of the adhesives used in the production of decorative panels are urea-formaldehyde resins, the residual volatile organic components in the panels will gradually be released into the air, becoming the main source of volatile organic gas pollution in the indoor air, and the released volatile organic compounds Sexual organic gas will also gradually accumulate in walls, floors, and even children's toys, causing great harm to the human body, especially young people
[0003] Because the pollution of the indoor environment is affected by many factors such as the degree of pollution, temperature, and air circulation, the elimination reaction is often difficult to complete, so it is also difficult to achieve the ideal effect of eliminating volatile organic compounds.

Method used

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  • Sustained-release gel composition containing mesoporous silicon
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  • Sustained-release gel composition containing mesoporous silicon

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preparation example Construction

[0028] Preparation of bismuth vanadate

[0029] Dissolve 0.0015 mol of sodium vanadate and 0.006 mol of bismuth nitrate in deionized water respectively, drop the sodium vanadate solution into the bismuth nitrate solution drop by drop, stir for 30 minutes, let it stand for 5 hours, and put it in a constant temperature drying box After reacting at 160 degrees Celsius for 12 hours, after cooling to room temperature, continue to keep stirring and add 0.01 mol of hydrogen peroxide, filter with suction, wash and dry to obtain bismuth vanadate powder.

[0030] At room temperature, 8 parts by weight of tantalum pentachloride were dissolved in 100 parts by weight of absolute ethanol to obtain a tantalum pentachloride ethanol solution, which was left to stand for 15 minutes; 15 parts by weight of bismuth vanadate, 0.08 parts by weight of sulfurous acid Add sodium hydrogen to seal the HDI into the tantalum pentachloride ethanol solution, and combine evenly to obtain the first mixed solut...

Embodiment 1

[0032] In a container, dissolve 5 parts by weight of polyacrylic acid X1 and 0.8 parts by weight of polyisobutylene succinimide in 100 parts by weight of water; add 0.08 parts by weight of mesoporous silicon (Shanghai carboxyphenanthrene, MSNs-90) container, and heated up to 55 degrees Celsius, and kept for 24 hours; cooled to normal temperature, added 2 parts by weight of imidazolidinone and 0.04 parts by weight of nano-modified tantalum oxide photocatalytic oxidant, mixed evenly, adjusted the pH value to 7, and obtained slow release gel.

Embodiment 2

[0034] In a container, dissolve 2 parts by weight of polyacrylic acid X2 and 0.6 parts by weight of polyisobutylene succinimide in 100 parts by weight of water; add 0.05 parts by weight of mesoporous silicon (Shanghai carboxyphenanthrene, MSNs-90) In the container, heat up to 55 degrees Celsius and keep for 24 hours; cool to normal temperature, add 2 parts by weight of imidazolidinone and 0.05 parts by weight of nano-modified tantalum oxide photocatalytic oxidant, mix well, adjust the pH value to 7, and obtain slow release gel.

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Abstract

The invention relates to sustained-release gel composition containing mesoporous silicon. The sustained-release gel composition is prepared from components in parts by weight as follows: 100 parts ofwater, 2-8 parts of polyacrylic acid, 0.1-1 part of polyisobutylene succinimide, 1-3 parts of imidazolidone, 0.01-0.1 parts of mesoporous silicon and 0.01-0.1 parts of a photocatalytic oxidant, wherein the photocatalytic oxidant can perform catalytic oxidation under ultraviolet light, infrared light and visible light. With the adoption of the sustained-release gel, organic pollutants in indoor aircan be removed continuously and efficiently.

Description

technical field [0001] The invention relates to a sustained release gel composition containing mesoporous silicon. Background technique [0002] Through research, it is found that the main way to cause indoor air pollution is a large number of decorative materials and furniture used in the home, mainly including plywood, blockboard, particle board and other artificial boards for interior decoration. Since most of the adhesives used in the production of decorative panels are urea-formaldehyde resins, the residual volatile organic components in the panels will gradually be released into the air, becoming the main source of volatile organic gas pollution in the indoor air, and the released volatile organic compounds Sexual organic gas will also gradually accumulate in walls, floors, and even children's toys, causing great harm to the human body, especially young people. [0003] Since the pollution of the indoor environment is affected by many factors such as the degree of pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/075C08L33/02C08L23/36C08K9/02C08K9/04C08K7/26C08K3/22C08K5/3445B01D53/86B01D53/44
CPCB01D53/8687C08J3/075C08J2333/02C08J2423/36C08K3/22C08K5/3445C08K7/26C08K9/02C08K9/04C08K2201/011
Inventor 萧阅王云
Owner 恺时浦(上海)检测技术有限公司
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