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Preparation method of vehicle-use purifying agent for in-situ degradation of VOCs

A purification agent and vehicle-used technology, applied in chemical instruments and methods, separation methods, organic compounds/hydrides/coordination complex catalysts, etc., can solve problems such as secondary pollution and human hazards

Inactive Publication Date: 2018-11-16
ANHUI LEJIN ENVIRONMENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used method of getting out of the irritating gas in the car room is to open the window and discharge the harmful gas into the air. When the ambient temperature is too high or too low, this discharge method is restricted, or the purchase of an adsorbent The substances adsorb harmful gases, but most of these adsorptive substances can only adsorb indoor pollutants without degrading them, which will cause secondary pollution and still have great harm to the human body.

Method used

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  • Preparation method of vehicle-use purifying agent for in-situ degradation of VOCs
  • Preparation method of vehicle-use purifying agent for in-situ degradation of VOCs
  • Preparation method of vehicle-use purifying agent for in-situ degradation of VOCs

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preparation example Construction

[0012] The present invention also provides a preparation method of the vehicle purifier for in-situ degradation of VOCs, comprising the following steps:

[0013] (1) Add foaming agent to polypropylene resin and mix evenly, then obtain polypropylene fiber by electrospinning, and calcinate polypropylene fiber at 300-450°C for 2-4 hours to obtain porous carbon fiber;

[0014] (2) Mix porous carbon fiber, kaolin, soluble metal salt, silane coupling agent and organic titanate in a solvent to obtain a mixed system, then add inorganic acid to adjust the pH of the mixed system to be acidic, and then sonicate for 15~ 30min, then sealed and reacted at 80-120°C for 3-6h to obtain modified porous carbon fibers;

[0015] (3) Ultrasonic disperse the modified porous carbon fiber in the solvent for 15-30 minutes, then add polydiallyldimethylammonium chloride, continue ultrasonication for 30-45 minutes, then add graphene oxide, stir for 30-45 minutes and then dry , to obtain a car purifier fo...

Embodiment 1

[0026] A car purifier for in-situ degradation of VOCs, made of the following parts by weight: 8 parts by weight of kaolin, 8 parts by weight of tetraethyl titanate, 0.5 parts by weight of nickel acetate, and 1.5 parts by weight of silane coupling agent KH792 , 4 parts by weight of graphene oxide, 4 parts by weight of polydiallyldimethylammonium chloride, 3 parts by weight of N,N'-dinitrosopentamethylenetetramine, 105 parts by weight of polypropylene resin, hydrochloric acid (2M) 4 parts by weight, 50 parts by weight of ethanol.

[0027] The preparation method of the vehicle-use purifying agent of described in-situ degradation VOCs, comprises the following steps:

[0028] (1) Add N,N'-dinitrosopentamethylenetetramine to polypropylene resin and mix evenly, then obtain polypropylene fiber by electrospinning. The electrospinning process is: power supply voltage 50kV, spinning The temperature is 35°C, the relative humidity is 75%; the needle spacing of the multi-needle spinneret u...

Embodiment 2

[0034] A car purifier for in-situ degradation of VOCs, made of the following parts by weight: 12 parts by weight of kaolin, 5 parts by weight of tetraisopropyl titanate, 0.8 parts by weight of ferric chloride, and silane coupling agent KH5801.8 Parts by weight, 6 parts by weight of graphene oxide, 5 parts by weight of polydiallyldimethylammonium chloride, 2 parts by weight of N,N'-dinitrosopentamethylenetetramine, 100 parts by weight of polypropylene resin , 3 parts by weight of hydrochloric acid (3M), and 45 parts by weight of water.

[0035] (1) Add N,N'-dinitrosopentamethylenetetramine to polypropylene resin and mix evenly, then obtain polypropylene fiber by electrospinning. The electrospinning process is: power supply voltage 50kV, spinning The temperature is 35°C, the relative humidity is 75%; the needle spacing of the multi-needle spinneret unit is 35cm, and the number of needleheads of the spinneret unit is 90;

[0036] Calcining polypropylene fibers at 400°C for 2.5 h...

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Abstract

The invention relates to the technical field of vehicle-use purifying agents, and particularly relates to a preparation method of a vehicle-use purifying agent for in-situ degradation of volatile organic compounds (VOCs). The preparation method of the vehicle-use purifying agent for in-situ degradation of VOCs comprises the following steps: (1) adding a foaming agent into polypropylene resin, uniformly carrying out mixing, then carrying out electrostatic spinning to obtain polypropylene fibers, and carrying out calcination to obtain porous carbon fibers; (2) carrying out thermal reaction on the porous carbon fibers, kaolin, a soluble metal salt, a silane coupling agent and an organic titanate in a solvent to obtain modified porous carbon fibers; and (3) dispersing the modified porous carbon fiber in a solvent, adding poly(diallyldimethylammonium chloride), then adding graphene oxide, and uniformly carrying out stirring to obtain the vehicle-use purifying agent for in-situ degradation of VOCs. The vehicle-use purifying agent for in-situ degradation of VOCs can adsorb VOCs in a vehicle, can be used for carrying out in-situ catalytic degradation at adsorption sites, and has the characteristics of high catalytic degradation efficiency and thorough degradation.

Description

technical field [0001] The invention relates to the technical field of vehicle purifiers, in particular to a preparation method of a vehicle purifier for in-situ degradation of VOCs. Background technique [0002] When the concentration of VOCs (volatile organic compounds) in the indoor air is too high, it is easy to cause acute poisoning. In mild cases, headache, dizziness, cough, nausea, vomiting, or drunkenness will occur; in severe cases, liver poisoning and even coma will occur soon , and some may be life-threatening. Living in a room polluted by VOCs for a long time can cause chronic poisoning, damage the liver and nervous system, cause general weakness, drowsiness, and itchy skin. Some may also cause endocrine disorders and affect sexual function; benzene and xylene can also damage the system and even cause leukemia. At present, it has been identified as a carcinogenic and teratogenic substance by the World Health Organization, and the health problems caused by indoo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/34B01J23/50B01J23/745B01J23/755B01J31/38B01D53/86B01D53/72B01D53/44
CPCB01J23/755B01D53/8668B01D53/8687B01D2257/708B01J23/34B01J23/50B01J23/745B01J31/38
Inventor 郭常青吴学军
Owner ANHUI LEJIN ENVIRONMENT TECH CO LTD
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