CN113304595A - Green environment-friendly new material for vehicles - Google Patents
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- CN113304595A CN113304595A CN202110460393.4A CN202110460393A CN113304595A CN 113304595 A CN113304595 A CN 113304595A CN 202110460393 A CN202110460393 A CN 202110460393A CN 113304595 A CN113304595 A CN 113304595A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract
The invention relates to the technical field of environment-friendly materials, and provides a novel environment-friendly material for vehicles. The invention relates to a green environment-friendly new material for vehicles, which comprises the following components in percentage by weight: 8-10% of chitin, 15-20% of nano potassium silicate and nano polymer, 5-8% of nano silver ions, 10-17% of strong alkali solution, 3-5% of carbamide, 2.5% of 2, 2, 4-trimethylpentane, 2% of ferrous chloride tetrahydrate, 1.5% of triethanolamine, 1.5% of emulsifier and the balance of weak acid aqueous solution. The invention designs a new green and environment-friendly material for vehicles, which can chemically react with a plurality of gaseous harmful substances, eliminate formaldehyde in the air, destroy and decompose harmful substances of bacteria, achieve the special effects of environment purification, mildew prevention, dust removal, deodorization and ultraviolet resistance, and the nano sterilization technology can capture bacteria and viruses to destroy and inhibit growth, achieve the full-effect ultimate purification effects of sterilization and aldehyde removal, and effectively purify the environment quality.
Description
Technical Field
The invention relates to the technical field of environment-friendly materials, in particular to a novel environment-friendly material for vehicles.
Background
Formaldehyde is used in many applications in the automotive industry, and is often contained and released on painted surfaces, leather polyester and plastic surfaces, etc. that are commonly used for automotive interior trim. Incomplete combustion of fuel and tobacco leaves also releases formaldehyde. In medicine, formaldehyde is also commonly used as a preservative and disinfectant. The main routes of human exposure to formaldehyde are inhalation via the respiratory tract, oral ingestion and transdermal exposure
For example, CN201911344093.9 discloses a graphene-like and calcium alginate composite air purification material, and a preparation method and an application thereof. The method comprises the following steps: 1) uniformly mixing the graphene-like material, the algae calcium material and the catalytic material to obtain premixed powder; 2) adding a liquid phase medium into the premixed powder and pulping to obtain mixed slurry; 3) molding the mixed slurry to obtain material particles; 4) screening, polishing and polishing maintenance are carried out on the material particles in sequence, and the material particles and the modified functional additive are mixed in the polishing maintenance process to obtain the material particles with the surfaces covered with the modified functional additive; 5) and heating and drying the material particles to obtain the graphene-like and calcium alginate composite air purification material.
In the invention, the volatile organic compounds are not thoroughly purified, the purification efficiency is low, the sterilization effect is general, the service life is short, bacteria, dust and formaldehyde can not be effectively purified on the surfaces of paint plates, leather polyester and plastic products in the automobile, and the problems of formaldehyde, peculiar smell, smoke smell and the like can be caused in fabric seats, floor adhesive tools, filling sponges, air-conditioning filter cores, cotton felts, soundproof cotton and the like in the automobile.
Disclosure of Invention
The invention provides a novel environment-friendly material for vehicles, which aims to solve the problems of incomplete purification of volatile organic compounds in the vehicles, low purification efficiency, general sterilization effect, short service life and the like.
A green environment-friendly new material for vehicles comprises the following components in percentage by weight: 8-10% of chitin, 15-20% of nano potassium silicate and nano polymer, 5-8% of nano silver ions, 10-17% of strong alkali solution, 3-5% of carbon amide, 2.5% of 2, 2, 4-trimethylpentane, 2% of ferrous chloride tetrahydrate, 1.5% of triethanolamine, 1.5% of emulsifier and the balance of weak acid aqueous solution.
Preferably, the nano-silicate polymer comprises: silicones, silanes, silicates, and borates.
Preferably, the strong alkaline solution is one or more of sodium hydroxide, potassium hydroxide and choline.
Preferably, the emulsifier comprises: sorbitol polyoxyethylene ether surfactants.
Preferably, the preparation method of the novel environment-friendly material for the vehicle comprises the following steps:
s1: dissolving 8-10 g of purified chitin powder in 90-92 g of mixed aqueous solution of sodium hydroxide and carbamide, fully stirring, freezing for 3-4 h at-30 to-25 ℃, then unfreezing at 20-25 ℃, centrifuging the unfrozen solution for 14-16min at-1 to 0 ℃ and 7000-7200 rpm, and heating and concentrating at 90-110 ℃ to obtain chitosan solution;
s2: dissolving 20-25 g of nano potassium silicate and nano polymer in chitosan solution and fully stirring;
s3: mixing 10-12g of 2, 2, 4-trimethylpentane and an emulsifier, stirring for the first time, then adding a chitosan solution, stirring for the second time, heating to 80-90 ℃ after stirring, and cooling to form a mixed solution containing microspheres;
s4: adjusting the pH value of the mixed solution to be neutral to obtain a chitosan neutral solution;
s5: dissolving 2-3 g of triethanolamine in 50ml of water, adding a chitosan neutral solution, stirring, heating, adding 10-12 ml of sodium hydroxide solution and 10-12 ml of silver nitrate solution, and stirring again to obtain a chitosan aqueous solution containing nano-scale silver ions.
S6: dissolving 2-3 g of ferrous chloride tetrahydrate in water, adding a chitosan water solution containing nano-scale silver ions into the water to form a turbid liquid, stirring the turbid liquid at the temperature of 24-25 ℃ and the speed of 400-500 rpm for 55-60 min under the nitrogen environment, heating the turbid liquid to the temperature of 90-92 ℃, adding a sodium hydroxide solution into the turbid liquid, and stirring the turbid liquid at the temperature of 88-92 ℃ and the speed of 300-600 rpm for 1-3 min to obtain the chitosan nano-particles containing nano-silver ions.
Preferably, the aqueous solution of sodium hydroxide and carbamide is mixed and stirred sufficiently, and the stirring is carried out under an ice water bath.
Preferably, the chitosan nano-particles containing nano-silver ions and the activated carbon particles are mixed according to the proportion of 1: 2 for use.
Preferably, 8-10 g of purified chitin powder is dissolved in 90-92 g of sodium hydroxide and carbamide mixed aqueous solution, fully stirred, frozen at-30 to-25 ℃ for 3-4 h, then unfrozen at 20-25 ℃, the unfrozen solution is centrifuged at-1 to 0 ℃ and 7000-7200 rpm for 14-16min, the circulation is carried out twice, impurities and bubbles in the solution are removed, and the chitosan solution is obtained by heating and concentrating at 90-110 ℃.
Preferably, in step S4, the PH of the chitosan solution is adjusted to 7 with 10% diluted hydrochloric acid to obtain a chitosan neutral solution.
Preferably, the aqueous solution is adjusted to be weakly alkaline before the triethanolamine is dissolved in the aqueous solution in the step of S5.
The invention has the advantages that: the invention relates to the technical field of environment-friendly materials, and provides a novel environment-friendly material for vehicles. The invention relates to a green environment-friendly new material for vehicles, which comprises the following components in percentage by weight: 8-10% of chitin, 15-20% of nano potassium silicate and nano polymer, 5-8% of nano silver ions, 10-17% of strong base solution, 3-5% of carbamide, 2.5% of 2, 2, 4-trimethylpentane, 2% of ferrous chloride tetrahydrate, 1.5% of triethanolamine, 1.5% of emulsifier and the balance of weak acid aqueous solution. The invention designs a novel green environment-friendly material for vehicles, which can chemically react with a plurality of gaseous harmful substances, eliminate formaldehyde in the air, destroy and decompose bacteria harmful substances, achieve the special effects of environmental purification, mildew prevention, dust removal, deodorization and ultraviolet resistance, and effectively purify the environmental quality.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that the installation methods and technical terms mentioned in the present invention are technical terms that are already clearly known in the technical field, and therefore, the explanation thereof is not repeated.
The first embodiment is as follows:
a green environment-friendly new material for vehicles comprises the following components in percentage by weight: 10% of chitin, 20% of nano silicate potassium and nano polymer, 8% of nano silver ions, 15% of strong alkaline solution, 4% of carbamide, 2, 4-trimethylpentane, 2.5% of ferrous chloride tetrahydrate, 1.5% of triethanolamine, 1.5% of emulsifier, and the balance of weak acid aqueous solution, wherein the nano silicate polymer comprises: silicone, silane, silicate and borate, the strong alkaline solution is one or more of sodium hydroxide, potassium hydroxide and choline, and the emulsifier comprises: sorbitol polyoxyethylene ether surfactant, so set up, chitin have medical toxin expelling system of harmful substance in vivo alone, combine the polymer penetration protective technology of inorganic nanometer silicate, the super bactericidal performance of nanometer silver ion, use the special structure of marine shellfish extract "chitosan", it has powerful reactive amine group (-NH2) can carry on the chemical reaction with many gaseous harmful substances, decompose the carbohydrate of environmental protection, there is no secondary pollution, therefore can catch and dispel formaldehyde, TVOC dissipating to the air, achieve the purpose of purifying finally, at the same time, 25 nanometers inorganic silicon polymer combines with nanometer silver ion, have strong adsorption capacity, catch harmful molecule and destroy harmful substance such as decomposing bacteria with silver ion, etc., achieve the special effects of environmental cleaning mildew prevention, dust removal, deodorization, anti-ultraviolet ray, effectively purify the environment quality.
The second embodiment is explained on the basis of the first embodiment:
a preparation method of a green environment-friendly new material for vehicles comprises the following steps:
s1: dissolving purified 8g of chitin powder in 92g of mixed aqueous solution of sodium hydroxide and carbamide, fully stirring, freezing for 4h at-25 ℃, unfreezing at 25 ℃, centrifuging the unfrozen solution for 16min at-1 ℃ and 7200rpm, and heating and concentrating at 110 ℃ to obtain a chitosan solution;
s2: dissolving 25g of nano potassium silicate and nano polymer in the chitosan solution, and fully stirring;
s3: mixing 12g of 2, 2, 4-trimethylpentane and an emulsifier, stirring for the first time, adding a chitosan solution, stirring for the second time, heating to 90 ℃ after stirring, and cooling to form a mixed solution containing microspheres;
s4: adjusting the pH value of the mixed solution to be neutral to obtain a chitosan neutral solution;
s5: dissolving 3g triethanolamine in 50ml water, adding chitosan neutral solution, stirring, heating, adding 12ml sodium hydroxide solution and 12ml silver nitrate solution, and stirring again to obtain chitosan water solution containing nano-silver ions.
S6: dissolving 3g of ferrous chloride tetrahydrate in water, adding a chitosan aqueous solution containing nano-scale silver ions into the water to form a suspension, stirring the suspension at 25 ℃ and 500rpm for 60min under a nitrogen environment, heating the suspension to 92 ℃, adding a sodium hydroxide solution into the suspension, and stirring the suspension at 92 ℃ and 600rpm for 3min to obtain chitosan nanoparticles containing nano-scale silver ions.
In the third embodiment, the following explanation is made on the basis of the second embodiment:
in the mixed aqueous solution of sodium hydroxide and carbamide, the sodium hydroxide and carbamide are fully stirred under the ice-water bath, so that a large amount of heat is generated by stirring in the mixed aqueous solution of sodium hydroxide and carbamide, and the stirring is carried out under the ice-water bath.
In the fourth embodiment, the following description is given on the basis of the third embodiment:
the chitosan nano-particles containing nano-silver ions and the activated carbon particles are mixed according to the proportion of 1: 2 and then used, and in such a way, the activated carbon can adsorb fine particles in the outside air, so that the environmental quality is effectively purified.
In the fifth embodiment, the following description will be given on the basis of the fourth embodiment:
dissolving purified 8g of chitin powder in 92g of mixed aqueous solution of sodium hydroxide and carbamide, fully stirring, freezing for 4h at minus 25 ℃, unfreezing at 25 ℃, centrifuging the unfrozen solution for 16min at minus 1 ℃ and 7200rpm, circulating twice, removing impurities and bubbles in the solution, heating and concentrating at 110 ℃ to obtain the chitosan solution, and thus, the chitosan solution has better refining effect after multiple circulations.
The sixth embodiment is explained on the basis of the fifth embodiment:
in the step S4, the PH of the chitosan solution is adjusted to 7 with 10% diluted hydrochloric acid to obtain a chitosan neutral solution, so that the chitosan solution is neutralized more effectively, simply and quickly, and the product does not affect the final product.
The seventh embodiment is explained on the basis of the sixth embodiment:
in the step S5, before the triethanolamine is dissolved in the aqueous solution, the aqueous solution is adjusted to be weakly alkaline, so that if the triethanolamine is in an acidic solution, a chemical reaction occurs, which degrades the performance of the triethanolamine, and is not favorable for the triethanolamine to play its role as an industrial gas purifying agent for removing acidic gases such as hydrogen sulfide and carbon dioxide in waste gas treatment.
The working principle of the invention is as follows: chitin alone has medical toxin expelling system for adsorbing harmful substances in vivo, combines the penetration protection technology of inorganic nano silicate polymer and the super bactericidal performance of nano silver ions, applies the special structure of the marine shellfish extract chitosan, has strong reactive amine groups (-NH2) capable of chemically reacting with a plurality of gaseous harmful substances, decomposes environment-friendly carbohydrate, has no secondary pollution, can capture and eliminate formaldehyde and TVOC (total volatile organic compound) dissipated into air, and finally achieves the purpose of purification, simultaneously, the 25-nano inorganic silicon polymer is combined with the nano silver ions, has strong adsorption force, captures harmful molecules, destroys and decomposes the harmful substances such as bacteria and the like by the silver ions, achieves the special effects of environmental purification, mildew prevention, dust removal, deodorization, ultraviolet resistance, effective purification of environmental quality, nano sterilization, and the like, The TVOC technology for automatically capturing and decomposing formaldehyde in full effect has the removal rate as high as 97%, is continuously and effectively, is environment-friendly and nontoxic, does not contain substances such as toxic heavy metals and the like, does not contain corrosive chemical components, does not harm the surface of an object, can capture and decompose emitted toxic gases such as formaldehyde, TVOC and the like, can convert the toxic gases into carbohydrates, and has no secondary pollution, and the nano sterilization technology can capture bacteria and viruses to destroy and inhibit growth, thereby achieving the full-effect and ultimate purification effects of sterilization and formaldehyde removal.
Through the embodiment, the technical indexes of the obtained green environment-friendly new material for the vehicle are as shown in the following table:
| item | Example one | Example two | EXAMPLE III | Example four | EXAMPLE five | EXAMPLE six |
| Rate of sterilization | 97.50％ | 97.60％ | 97.80％ | 97.20％ | 97.20％ | 97.30％ |
| Purification rate of formaldehyde | 98.60％ | 98.50％ | 98.60％ | 98.30％ | 98.40％ | 98.30％ |
| Formaldehyde purification rate | 0.078 | 0.077 | 0.076 | 0.072 | 0.081 | 0.076 |
| TVOC poison gas purification rate | 98.10％ | 98.30％ | 98.40％ | 98.60％ | 98.30％ | 97.50％ |
| Ultraviolet absorptivity | 81.00％ | 78.00％ | 86.00％ | 85.00％ | 75.00％ | 78.00％ |
| Service life | 362D | 357D | 366D | 355D | 359D | 353D |
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims (10)
1. The novel green environment-friendly material for the vehicles is characterized by comprising the following components in percentage by weight:
the rest is weak acid aqueous solution.
2. The new green environmental protection material for vehicles as claimed in claim 1, wherein the nano silicate polymer comprises: silicones, silanes, silicates, and borates.
3. The new material in green and environmental protection for vehicles according to claim 1, wherein the strong alkaline solution is one or more of sodium hydroxide, potassium hydroxide and choline.
4. The new green environmental protection material for vehicles according to claim 1, wherein the emulsifier comprises: sorbitol polyoxyethylene ether surfactants.
5. A preparation method of a green environment-friendly new material for vehicles comprises the following steps:
s1: dissolving 8-10 g of purified chitin powder in 90-92 g of mixed aqueous solution of sodium hydroxide and carbamide, fully stirring, freezing for 3-4 h at-30 to-25 ℃, then unfreezing at 20-25 ℃, centrifuging the unfrozen solution for 14-16min at-1 to 0 ℃ and 7000-7200 rpm, and heating and concentrating at 90-110 ℃ to obtain chitosan solution;
s2: dissolving 20-25 g of nano potassium silicate and nano polymer in chitosan solution and fully stirring;
s3: mixing 10-12g of 2, 2, 4-trimethylpentane and an emulsifier, stirring for the first time, then adding a chitosan solution, stirring for the second time, heating to 80-90 ℃ after stirring, and cooling to form a mixed solution containing microspheres;
s4: adjusting the pH value of the mixed solution to be neutral to obtain a chitosan neutral solution;
s5: dissolving 2-3 g of triethanolamine in 50ml of water, adding a chitosan neutral solution, stirring, heating, adding 10-12 ml of sodium hydroxide solution and 10-12 ml of silver nitrate solution, and stirring again to obtain a chitosan aqueous solution containing nano-scale silver ions.
S6: dissolving 2-3 g of ferrous chloride tetrahydrate in water, adding a chitosan water solution containing nano-scale silver ions into the water to form a turbid liquid, stirring the turbid liquid at the temperature of 24-25 ℃ and the speed of 400-500 rpm for 55-60 min under the nitrogen environment, heating the turbid liquid to the temperature of 90-92 ℃, adding a sodium hydroxide solution into the turbid liquid, and stirring the turbid liquid at the temperature of 88-92 ℃ and the speed of 300-600 rpm for 1-3 min to obtain chitosan nanoparticles containing nano-silver ions.
6. The method for preparing a new green environmental material for vehicles according to claim 5, wherein the sodium hydroxide and the carbamide are mixed in the water solution and stirred thoroughly, and the stirring is performed in an ice water bath.
7. The method for preparing green environmental new material for vehicle of claim 5, wherein the chitosan nanoparticles containing nano silver ions and activated carbon particles are mixed at a ratio of 1: 2 for use.
8. The method for preparing the new material for green and environmental protection for vehicles according to claim 5, wherein 8-10 g of purified chitin powder is dissolved in 90-92 g of mixed aqueous solution of sodium hydroxide and carbamide, fully stirred, frozen at-30 to-25 ℃ for 3-4 h, then unfrozen at 20-25 ℃, the unfrozen solution is centrifuged at-1 to 0 ℃ and 7000 to 7200rpm for 14-16min, and the circulation is performed twice to remove impurities and bubbles in the solution, and then the chitosan solution is obtained by heating and concentrating at 90-110 ℃.
9. The method as claimed in claim 5, wherein in step S4, pH of the chitosan solution is adjusted to 7 with 10% diluted hydrochloric acid to obtain a chitosan neutral solution.
10. The method as claimed in claim 5, wherein in the step S5, before the triethanolamine is dissolved in the aqueous solution, the aqueous solution is adjusted to be weakly alkaline.
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| CN108579762A (en) * | 2018-05-11 | 2018-09-28 | 武汉轻工大学 | A kind of preparation method and rapid hydrogenation reaction method of the chitin base magnetism carbosphere of loading nano silvery |
| KR20200107257A (en) * | 2019-03-07 | 2020-09-16 | 한국과학기술연구원 | Method for manufacturing colored mother-of-pearl using metal nanoparticles and colored mother-of-pearl manufactured tehreby |
| CN112663397A (en) * | 2020-12-18 | 2021-04-16 | 上海鱼圆文具有限公司 | Writing paper and preparation process thereof |
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2021
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Patent Citations (6)
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| CN1875056A (en) * | 2003-11-04 | 2006-12-06 | 亨斯迈先进材料（瑞士）有限公司 | Two component curable compositions |
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| CN108434980A (en) * | 2018-04-16 | 2018-08-24 | 水夫人（福建）环保科技股份有限公司 | A kind of formaldehyde treated agent and preparation method thereof |
| CN108579762A (en) * | 2018-05-11 | 2018-09-28 | 武汉轻工大学 | A kind of preparation method and rapid hydrogenation reaction method of the chitin base magnetism carbosphere of loading nano silvery |
| KR20200107257A (en) * | 2019-03-07 | 2020-09-16 | 한국과학기술연구원 | Method for manufacturing colored mother-of-pearl using metal nanoparticles and colored mother-of-pearl manufactured tehreby |
| CN112663397A (en) * | 2020-12-18 | 2021-04-16 | 上海鱼圆文具有限公司 | Writing paper and preparation process thereof |
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