CN111672483A - Manufacturing process of composite material for removing formaldehyde for vehicles - Google Patents

Manufacturing process of composite material for removing formaldehyde for vehicles Download PDF

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Publication number
CN111672483A
CN111672483A CN202010428729.4A CN202010428729A CN111672483A CN 111672483 A CN111672483 A CN 111672483A CN 202010428729 A CN202010428729 A CN 202010428729A CN 111672483 A CN111672483 A CN 111672483A
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China
Prior art keywords
parts
composite material
weight
stirring tank
formaldehyde
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CN202010428729.4A
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Chinese (zh)
Inventor
王丹亮
万远鑫
韩小兵
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Nanjing Fengqingyang Health Technology Co ltd
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Nanjing Fengqingyang Health Technology Co ltd
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Priority to CN202010428729.4A priority Critical patent/CN111672483A/en
Publication of CN111672483A publication Critical patent/CN111672483A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
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    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/046—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing halogens, e.g. halides
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
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    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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    • B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016—Particle form
    • B01J20/28019—Spherical, ellipsoidal or cylindrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton

Abstract

The invention discloses a manufacturing process of a composite material for removing formaldehyde for a vehicle, belonging to the technical field of composite materials and comprising the following manufacturing process steps: preparing the following raw materials in parts by weight: 3-5 parts of sisal hemp residue powder, 6-9 parts of a flame retardant, 3-6 parts of an insect repellent, 20-35 parts of acrylonitrile, 5-10 parts of amino acid, 3-9 parts of polyvinylpyrrolidone, 5-10 parts of titanium dioxide, 15-18 parts of a silver ion antibacterial agent, 5-10 parts of tin dioxide, 3-5 parts of silicon dioxide, 100-150 parts of active carbon, 10-15 parts of manganese nitrate, 12-20 parts of calcium chloride, 15-20 parts of chitosan and 55-100 parts of deionized water. The formaldehyde removing agent can quickly remove formaldehyde, has quick removing speed and more thorough removing effect, has good formaldehyde removing effect, and is suitable for popularization and application.

Description

Manufacturing process of composite material for removing formaldehyde for vehicles
Technical Field
The invention relates to the technical field of composite materials, in particular to a manufacturing process of a composite material for removing formaldehyde for vehicles.
Background
Formaldehyde, colorless and irritant gas, with a molecular weight of 30.00, is also called formil. Colorless and has stimulating effect on eyes and nose. Gas relative density 1.067 (air 1), liquid density 0.815g/cm3(-20 ℃ C.). Melting point-92 deg.C, boiling point-19.5 deg.C. Is easily soluble in water and ethanol. The concentration of the aqueous solution can be up to 55%, usually 40%, and is called formalin (formalin).
The formaldehyde has reducibility, and particularly has stronger reducibility in alkaline solution. Can be combusted, and the steam and air form explosive mixture with explosion limit of 7-73% (volume). The ignition point is about 300 ℃.
Can be prepared by dehydrogenation or oxidation of methanol under the catalysis of metals such as silver, copper and the like, and can also be separated from hydrocarbon oxidation products. Can be used as raw materials of phenolic resin, urea-formaldehyde resin, vinylon, urotropine, pentaerythritol, dye, pesticide, disinfectant and the like.
The industrial formaldehyde solution generally contains 37% of formaldehyde and 15% of methanol, and is used as a polymerization inhibitor and has a boiling point of 101 ℃.
In 2017, 10 and 27, in a carcinogen list published by the international cancer research institution of the world health organization, formaldehyde is put in a carcinogen list. In 2019, 7 and 23, formaldehyde is listed in the list of toxic and harmful water pollutants (first batch).
The invention provides a manufacturing process of a composite material for removing formaldehyde for vehicles, which is characterized in that formaldehyde is contained in ornaments and interior decorations in vehicles, the formaldehyde in the vehicles needs to be removed, the existing formaldehyde removal is absorbed by activated carbon, but the formaldehyde absorption effect of the existing activated carbon is not good, and the absorption speed is greatly reduced after the activated carbon absorbs certain formaldehyde.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a manufacturing process of a composite material for removing formaldehyde for a vehicle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a manufacturing process of a composite material for removing formaldehyde for vehicles comprises the following manufacturing process steps:
s1: preparing the following raw materials in parts by weight: 3-5 parts of sisal hemp residue powder, 6-9 parts of a flame retardant, 3-6 parts of an insect repellent, 20-35 parts of acrylonitrile, 5-10 parts of amino acid, 3-9 parts of polyvinylpyrrolidone, 5-10 parts of titanium dioxide, 15-18 parts of a silver ion antibacterial agent, 5-10 parts of tin dioxide, 3-5 parts of silicon dioxide, 100-150 parts of active carbon, 10-15 parts of manganese nitrate, 12-20 parts of calcium chloride, 15-20 parts of chitosan and 55-100 parts of deionized water;
s2: putting the activated carbon in parts by weight into a ball mill, performing ball milling for 1-2 h, then sequentially putting the sisal hemp residue powder, the chitosan, the calcium chloride, the titanium dioxide, the flame retardant, the silver ion antibacterial agent, the tin dioxide and the silicon dioxide in parts by weight, continuing performing ball milling for 1-2 h, and screening mixed powder A with the particle size of less than 50 meshes;
s3: putting the insect-resist agent, the acrylonitrile, the amino acid, the polyvinylpyrrolidone and the manganese nitrate in parts by weight into a stirring tank, then putting the deionized water in parts by weight into the stirring tank, adjusting the rotating speed of the stirring tank to be 100-200 r/min, and stirring for 1-2 h to obtain a mixture B;
s4: standing the mixture B for 1-2 h, then putting the mixed powder A into a stirring tank, and adjusting the rotating speed of the stirring tank to be 50-80 r/min and the stirring time to be 2-4 h to obtain a mixture C;
s5: and putting the mixture C into a pill making machine to prepare a spherical composite material D, putting the spherical composite material D into a dryer, setting the temperature of the dryer to be 80-100 ℃ and setting the drying time to be 20-40 min, and thus obtaining a finished composite material E.
Preferably, in S1, the following raw materials of the composite material are prepared in parts by weight: 3 parts of sisal hemp residue powder, 6 parts of flame retardant, 3 parts of insect repellent, 20 parts of acrylonitrile, 5 parts of amino acid, 3 parts of polyvinylpyrrolidone, 5 parts of titanium dioxide, 15 parts of silver ion antibacterial agent, 5 parts of stannic oxide, 3 parts of silicon dioxide, 100 parts of activated carbon, 10 parts of manganese nitrate, 12 parts of calcium chloride, 15 parts of chitosan and 55 parts of deionized water.
Preferably, in S1, the following raw materials of the composite material are prepared in parts by weight: 4 parts of sisal hemp residue powder, 7 parts of flame retardant, 4 parts of insect repellent, 25 parts of acrylonitrile, 57 parts of amino acid, 5 parts of polyvinylpyrrolidone, 7 parts of titanium dioxide, 16 parts of silver ion antibacterial agent, 7 parts of tin dioxide, 4 parts of silicon dioxide, 130 parts of activated carbon, 14 parts of manganese nitrate, 15 parts of calcium chloride, 16 parts of chitosan and 80 parts of deionized water.
Preferably, in S1, the following raw materials of the composite material are prepared in parts by weight: 5 parts of sisal hemp residue powder, 9 parts of flame retardant, 6 parts of insect repellent, 35 parts of acrylonitrile, 10 parts of amino acid, 9 parts of polyvinylpyrrolidone, 10 parts of titanium dioxide, 18 parts of silver ion antibacterial agent, 10 parts of tin dioxide, 5 parts of silicon dioxide, 150 parts of activated carbon, 15 parts of manganese nitrate, 20 parts of calcium chloride, 20 parts of chitosan and 100 parts of deionized water.
Preferably, in S2, the activated carbon is put into a ball mill in parts by weight and ball-milled for 1.5 hours, and then the sisal hemp residue powder, the chitosan, the calcium chloride, the titanium dioxide, the flame retardant, the silver ion antibacterial agent, the tin dioxide and the silicon dioxide are sequentially put into the ball mill in parts by weight and ball-milled for 1.5 hours, and the mixed powder a with the particle size of less than 50 meshes is screened.
Preferably, in S3, the insecticide, the acrylonitrile, the amino acid, the polyvinylpyrrolidone and the manganese nitrate are added into a stirring tank, the deionized water is added into the stirring tank, the rotation speed of the stirring tank is adjusted to 100-200 r/min, and the stirring time is 1.5 hours, so as to obtain a mixture B.
Preferably, in the step S4, the mixture B is allowed to stand for 1.5 hours, and then the mixed powder a is placed in a stirring tank, and the rotation speed of the stirring tank is adjusted to 65r/min, and the stirring time is adjusted to 3 hours, so as to obtain a mixture C.
Preferably, in S5, the mixture C is placed in a pelletizing machine to form a spherical composite material D, and the spherical composite material D is placed in a dryer, where the temperature of the dryer is set to 90 ℃ and the drying time is set to 30min, so as to obtain a finished composite material E.
Compared with the prior art, the invention has the beneficial effects that:
polyvinylpyrrolidone, as a synthetic water-soluble polymer compound, has the general properties of water-soluble polymer compounds, such as colloid protection, film-forming property, cohesiveness, hygroscopicity, solubilization or coacervation, but it is most distinctive and thus has been regarded as having excellent solubility and physiological compatibility. The PVP is dissolved in water and most of organic solvents in the synthetic polymer, so that the toxicity is very low, the adhesive effect can be realized, and various raw materials can be bonded together, so that the spherical synthetic polymer is spherical, has long service life and can absorb formaldehyde in all directions;
through the use of the insect-proof agent, the flame retardant and the silver ion antibacterial agent, the composite material has the functions of insect prevention, antibiosis and flame retardance;
the formaldehyde removing agent can quickly remove formaldehyde, has quick removing speed and more thorough removing effect, has good formaldehyde removing effect, and is suitable for popularization and application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1
The invention provides a manufacturing process of a composite material for removing formaldehyde for a vehicle, which comprises the following manufacturing process steps:
s1: preparing the following raw materials in parts by weight: 3 parts of sisal hemp residue powder, 6 parts of flame retardant, 3 parts of insect repellent, 20 parts of acrylonitrile, 5 parts of amino acid, 3 parts of polyvinylpyrrolidone, 5 parts of titanium dioxide, 15 parts of silver ion antibacterial agent, 5 parts of stannic oxide, 3 parts of silicon dioxide, 100 parts of activated carbon, 10 parts of manganese nitrate, 12 parts of calcium chloride, 15 parts of chitosan and 55 parts of deionized water;
s2: putting the activated carbon in parts by weight into a ball mill, carrying out ball milling for 1h, then sequentially putting the sisal hemp residue powder, the chitosan, the calcium chloride, the titanium dioxide, the flame retardant, the silver ion antibacterial agent, the tin dioxide and the silicon dioxide in parts by weight, continuing carrying out ball milling for 1h, and screening mixed powder A with the particle size of less than 50 meshes;
s3: putting the insect-resist agent, the acrylonitrile, the amino acid, the polyvinylpyrrolidone and the manganese nitrate in parts by weight into a stirring tank, then putting the deionized water in parts by weight into the stirring tank, adjusting the rotating speed of the stirring tank to be 100r/min, and stirring for 1h to obtain a mixture B;
s4: standing the mixture B for 1h, then putting the mixed powder A into a stirring tank, and adjusting the rotating speed of the stirring tank to be 50r/min and the stirring time to be 2h to obtain a mixture C;
s5: and putting the mixture C into a pill making machine to prepare a spherical composite material D, putting the spherical composite material D into a dryer, setting the temperature of the dryer to be 80 ℃ and setting the drying time to be 20min, and obtaining a finished composite material E.
Example 2
The invention provides a manufacturing process of a composite material for removing formaldehyde for a vehicle, which comprises the following manufacturing process steps:
s1: preparing the following raw materials in parts by weight: 4 parts of sisal hemp residue powder, 7 parts of flame retardant, 4 parts of insect repellent, 25 parts of acrylonitrile, 57 parts of amino acid, 5 parts of polyvinylpyrrolidone, 7 parts of titanium dioxide, 16 parts of silver ion antibacterial agent, 7 parts of stannic oxide, 4 parts of silicon dioxide, 130 parts of activated carbon, 14 parts of manganese nitrate, 15 parts of calcium chloride, 16 parts of chitosan and 80 parts of deionized water;
s2: putting the activated carbon in parts by weight into a ball mill, carrying out ball milling for 1.5h, then sequentially putting the sisal hemp residue powder, the chitosan, the calcium chloride, the titanium dioxide, the flame retardant, the silver ion antibacterial agent, the tin dioxide and the silicon dioxide in parts by weight, continuing carrying out ball milling for 1.5h, and screening mixed powder A with the particle size of less than 50 meshes;
s3: putting the insect-resist agent, the acrylonitrile, the amino acid, the polyvinylpyrrolidone and the manganese nitrate in parts by weight into a stirring tank, then putting the deionized water in parts by weight into the stirring tank, adjusting the rotating speed of the stirring tank to be 100-200 r/min, and stirring for 1.5h to obtain a mixture B;
s4: standing the mixture B for 1.5h, then putting the mixed powder A into a stirring tank, and adjusting the rotating speed of the stirring tank to 65r/min and the stirring time to 3h to obtain a mixture C;
s5: and putting the mixture C into a pill making machine to prepare a spherical composite material D, putting the spherical composite material D into a dryer, setting the temperature of the dryer to be 90 ℃ and setting the drying time to be 30min, and obtaining a finished composite material E.
Example 3
The invention provides a manufacturing process of a composite material for removing formaldehyde for a vehicle, which comprises the following manufacturing process steps:
s1: preparing the following raw materials in parts by weight: 5 parts of sisal hemp residue powder, 9 parts of flame retardant, 6 parts of insect repellent, 35 parts of acrylonitrile, 10 parts of amino acid, 9 parts of polyvinylpyrrolidone, 10 parts of titanium dioxide, 18 parts of silver ion antibacterial agent, 10 parts of tin dioxide, 5 parts of silicon dioxide, 150 parts of activated carbon, 15 parts of manganese nitrate, 20 parts of calcium chloride, 20 parts of chitosan and 100 parts of deionized water;
s2: putting the activated carbon in parts by weight into a ball mill, carrying out ball milling for 2h, then sequentially putting the sisal hemp residue powder, the chitosan, the calcium chloride, the titanium dioxide, the flame retardant, the silver ion antibacterial agent, the tin dioxide and the silicon dioxide in parts by weight, continuing carrying out ball milling for 2h, and screening mixed powder A with the particle size of less than 50 meshes;
s3: putting the insect-resist agent, the acrylonitrile, the amino acid, the polyvinylpyrrolidone and the manganese nitrate in parts by weight into a stirring tank, then putting the deionized water in parts by weight into the stirring tank, adjusting the rotating speed of the stirring tank to be 200r/min, and stirring for 2 hours to obtain a mixture B;
s4: standing the mixture B for 2h, then putting the mixed powder A into a stirring tank, and adjusting the rotating speed of the stirring tank to 80r/min and the stirring time to 4h to obtain a mixture C;
s5: and putting the mixture C into a pill making machine to prepare a spherical composite material D, putting the spherical composite material D into a dryer, setting the temperature of the dryer to be 100 ℃ and setting the drying time to be 40min, and obtaining a finished composite material E.
Comparative example 1
The raw material is active carbon, and is wrapped in non-woven fabric or gauze;
comparative example 2
The raw material is formaldehyde scavenger;
placing examples 1-3 and comparative examples 1 and 2 in the same sealed space with the same formaldehyde content and the same standing time, and respectively detecting the formaldehyde content before and after standing, wherein the formaldehyde content before standing is 0.3mg/m3The table data was obtained as follows:
example 1 Example 2 Example 3 Comparative example 1 Comparative example 1
Standing for 3h 0.125 0.123 0.129 0.156 0.148
Standing for 10h 0.053 0.052 0.050 0.092 0.075
Standing for 20h 0.048 0.046 0.046 0.085 0.068
Standing for 40h 0.035 0.032 0.038 0.075 0.054
From the above tables, it can be known that the formaldehyde-removing composite material of the present invention is obviously better than the two formaldehyde-removing materials of the prior art, has a good formaldehyde-removing effect, and is suitable for popularization and use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. A manufacturing process of a composite material for removing formaldehyde for vehicles is characterized by comprising the following manufacturing process steps:
s1: preparing the following raw materials in parts by weight: 3-5 parts of sisal hemp residue powder, 6-9 parts of a flame retardant, 3-6 parts of an insect repellent, 20-35 parts of acrylonitrile, 5-10 parts of amino acid, 3-9 parts of polyvinylpyrrolidone, 5-10 parts of titanium dioxide, 15-18 parts of a silver ion antibacterial agent, 5-10 parts of tin dioxide, 3-5 parts of silicon dioxide, 100-150 parts of active carbon, 10-15 parts of manganese nitrate, 12-20 parts of calcium chloride, 15-20 parts of chitosan and 55-100 parts of deionized water;
s2: putting the activated carbon in parts by weight into a ball mill, performing ball milling for 1-2 h, then sequentially putting the sisal hemp residue powder, the chitosan, the calcium chloride, the titanium dioxide, the flame retardant, the silver ion antibacterial agent, the tin dioxide and the silicon dioxide in parts by weight, continuing performing ball milling for 1-2 h, and screening mixed powder A with the particle size of less than 50 meshes;
s3: putting the insect-resist agent, the acrylonitrile, the amino acid, the polyvinylpyrrolidone and the manganese nitrate in parts by weight into a stirring tank, then putting the deionized water in parts by weight into the stirring tank, adjusting the rotating speed of the stirring tank to be 100-200 r/min, and stirring for 1-2 h to obtain a mixture B;
s4: standing the mixture B for 1-2 h, then putting the mixed powder A into a stirring tank, and adjusting the rotating speed of the stirring tank to be 50-80 r/min and the stirring time to be 2-4 h to obtain a mixture C;
s5: and putting the mixture C into a pill making machine to prepare a spherical composite material D, putting the spherical composite material D into a dryer, setting the temperature of the dryer to be 80-100 ℃ and setting the drying time to be 20-40 min, and thus obtaining a finished composite material E.
2. The preparation process of the composite material for removing formaldehyde for the vehicles according to claim 1, wherein in the step S1, the following raw materials of the composite material in parts by weight are prepared: 3 parts of sisal hemp residue powder, 6 parts of flame retardant, 3 parts of insect repellent, 20 parts of acrylonitrile, 5 parts of amino acid, 3 parts of polyvinylpyrrolidone, 5 parts of titanium dioxide, 15 parts of silver ion antibacterial agent, 5 parts of stannic oxide, 3 parts of silicon dioxide, 100 parts of activated carbon, 10 parts of manganese nitrate, 12 parts of calcium chloride, 15 parts of chitosan and 55 parts of deionized water.
3. The preparation process of the composite material for removing formaldehyde for the vehicle as claimed in claim 2, wherein in the step S1, the following raw materials of the composite material in parts by weight are prepared: 4 parts of sisal hemp residue powder, 7 parts of flame retardant, 4 parts of insect repellent, 25 parts of acrylonitrile, 57 parts of amino acid, 5 parts of polyvinylpyrrolidone, 7 parts of titanium dioxide, 16 parts of silver ion antibacterial agent, 7 parts of tin dioxide, 4 parts of silicon dioxide, 130 parts of activated carbon, 14 parts of manganese nitrate, 15 parts of calcium chloride, 16 parts of chitosan and 80 parts of deionized water.
4. The preparation process of the composite material for removing formaldehyde for the vehicles according to claim 1, wherein in the step S1, the following raw materials of the composite material in parts by weight are prepared: 5 parts of sisal hemp residue powder, 9 parts of flame retardant, 6 parts of insect repellent, 35 parts of acrylonitrile, 10 parts of amino acid, 9 parts of polyvinylpyrrolidone, 10 parts of titanium dioxide, 18 parts of silver ion antibacterial agent, 10 parts of tin dioxide, 5 parts of silicon dioxide, 150 parts of activated carbon, 15 parts of manganese nitrate, 20 parts of calcium chloride, 20 parts of chitosan and 100 parts of deionized water.
5. The manufacturing process of the vehicular formaldehyde-removing composite material according to any one of claims 1 to 4, wherein in S2, the activated carbon is put into a ball mill in parts by weight and is ball-milled for 1.5 hours, then the sisal residue powder, the chitosan, the calcium chloride, the titanium dioxide, the flame retardant, the silver ion antibacterial agent, the tin dioxide and the silicon dioxide are sequentially put into the ball mill in parts by weight, the ball milling is continued for 1.5 hours, and the mixed powder A with the particle size of less than 50 meshes is screened.
6. The manufacturing process of the composite material for removing formaldehyde for the vehicle as claimed in claim 5, wherein in S3, the insect repellent, the acrylonitrile, the amino acid, the polyvinylpyrrolidone and the manganese nitrate are added into a stirring tank in parts by weight, then the deionized water is added into the stirring tank in parts by weight, the rotation speed of the stirring tank is adjusted to 100-200 r/min, and the stirring time is 1.5 hours, so as to obtain the mixture B.
7. The preparation process of the composite material for removing formaldehyde in the vehicle of claim 6, wherein in the step S4, the mixture B is kept still for 1.5 hours, then the mixed powder A is put into a stirring tank, the rotating speed of the stirring tank is adjusted to 65r/min, and the stirring time is adjusted to 3 hours, so that the mixture C is obtained.
8. The process for preparing the composite material for removing formaldehyde in the vehicle of claim 7, wherein in the step S5, the mixture C is put into a pelleting machine to prepare the spherical composite material D, the spherical composite material D is put into a dryer, the temperature of the dryer is set to 90 ℃, and the drying time is set to 30min, so that the finished composite material E is obtained.
CN202010428729.4A 2020-05-20 2020-05-20 Manufacturing process of composite material for removing formaldehyde for vehicles Pending CN111672483A (en)

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Application publication date: 20200918