CN1256481C - Fabric containing nano titanium dioxide mixture with light self cleaning function and its preparing method - Google Patents
Fabric containing nano titanium dioxide mixture with light self cleaning function and its preparing method Download PDFInfo
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- CN1256481C CN1256481C CN 200410080838 CN200410080838A CN1256481C CN 1256481 C CN1256481 C CN 1256481C CN 200410080838 CN200410080838 CN 200410080838 CN 200410080838 A CN200410080838 A CN 200410080838A CN 1256481 C CN1256481 C CN 1256481C
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Abstract
The present invention discloses a fabric containing nano titanium dioxide mixture, which has light self-cleaning function. The nano titanium dioxide mixture is arranged among fabric fibers or in the fibers and on yarns. The nano titanium dioxide mixture contains TiO2 with the weight of 0.1 to 2.0%. The present invention uses nano level TiO2 powder as photocatalyst raw material, and the nano level TiO2 powder is prepared into reverse emulsion, and is fixed on the surface of fiber material through a supercritical CO2 treatment method. The fiber material containing the nano level TiO2 powder serves as decoration articles of beddings, outer covers of vehicle seats and boat seats, indoor window curtains, etc., and enables the generated photocatalyst by the TiO2 to react and decompose harmful gases of formaldehyde, etc. through the catalysis of an ultraviolea light source of sunlight or lamp lights, which purifies indoor air and provides comfort and healthy living environments for people.
Description
One, technical field
The present invention relates to a kind of fabric and preparation method thereof with light self cleaning function, more particularly about a kind of have a light self cleaning function contain fabric of nano titanium dioxide mixture and preparation method thereof.
Two, background technology
Utilize light to TiO
2Catalytic action promotes chemical reaction is to come from the professor of engineering research section of Tokyo University Doctor of engineering rattan Mr. island to take the lead in finding, be referred to as " rattan island effect " at that time.From finding that countries in the world are to photocatalyst TiO to spending for three more than ten years now
2Application study also deep further.
Result of study is found: only be surface reaction as photocatalyst reaction, make material and the radical reaction of absorption (contact) on the surface, this free radical only has strong effect for the minimum organism of molecule (bacterium, virus, smelly thing, toxicant etc.), and human body be there is no a bit injury.Because few, the TiO of existing ultraviolet ray amount in the daily life space
2The free radical that the surface is generated is trace very, therefore, utilizes photocatalyst TiO
2The functional cleaning fibrous material of making to human body not influence fully, belongs to the green safety functional product.
Titanium dioxide is similar to natural materials, and its chemical stability is very high, and photocatalyst can produce very strong photooxidation and reducing power under micro-action of ultraviolet radiation, but catalysis, photodissociation are attached to the various organic matters and the part inorganic matter of body surface.Its purposes aspect environmental sanitation and environmental protection is extremely extensive, is the main sharp weapon of implementing " revolution of light cleaning ".Over nearly 4 or five years, this technology is taken the lead in progressively having realized industrialization in many fields such as glass, metal, building, automobile, residential equipment, household electrical appliances, light industry, air cleaning, water treatment, coating by Japanese scientific and technological circle.The photocatalyst research and development in the U.S., Germany and China Taiwan also are in rank first.In recent years, Japan utilized photocatalyst TiO
2Efficient catalytic, decomposition function, developed the various photocatalyst TiO that are used for air cleaning successively
2Utensil, as; Cleaners and polishes, disinfecting tube, exterior coating etc., but do not see the employing supercritical CO so far
2Fluid technique as carrier, is made the function textile that is used for air cleaning and pernicious gas decomposition with fiber.
Three, summary of the invention
The objective of the invention is with nanoscale TiO
2Powder is the photocatalyst raw material, and it is prepared into inverted emulsion, and passes through supercritical CO
2Processing mode is affixed to the fibrous material surface with it, with this nanoscale TiO that contains
2The fibrous material of powder relends and helps the catalysis of daylight or light medium ultraviolet light source to make TiO during as adornments such as bedding, car and boat Seat cover, indoor curtain
2Pernicious gases such as the photocatalyst reaction decomposing formaldehyde that produces are to purify the air of a room, for people provide comfortable, healthy living environment.
This and other purpose of the present invention will further be launched and embody by following detailed description and explanation.
In the present invention, the fabric that contains nano titanium dioxide mixture with light self cleaning function of the present invention is containing nano titanium dioxide mixture between the fiber of fabric or in the middle of the fiber and on the yarn, and this mixture contains the TiO of 0.1-2.0 weight %
2, Detitanium-ore-type TiO wherein
2With rutile TiO
2Weight ratio be 9.0-10: 0.1-1.0, the ratio of mixture amount and fabric is 0.1-3 weight %.
Further, the fabric that contains nano titanium dioxide mixture with light self cleaning function of the present invention is containing nano titanium dioxide mixture between the fiber of fabric or in the middle of the fiber and on the yarn, and this mixture contains the TiO of 0.5-1.0 weight %
2, Detitanium-ore-type TiO wherein
2With rutile TiO
2Weight ratio be 9.5: 0.5, the ratio of mixture amount and fabric is 0.5-2 weight %.
In the present invention, described mixture has following one-tenth to be grouped into:
TiO
20.1-2.0 weight %,
Lauryl sodium sulfate 0.1-1.0 weight %
Sulfosuccinate 2-ethyl sodium 0.05-0.5 weight %,
Perfluorinated polyether carboxylic acid amine 0.2-1.0 weight %,
Two-lauryl dimethyl amine bromide 0.5-1.0 weight %,
Octadecyl trihalosilane 0.1-1.0 weight %,
Glycerine 5.0-10 weight %,
C
6H
2(CF
3)
4Cu 0.0005-0.01 weight %,
Surplus is a water.
Be preferably, in the present invention, described mixture has following one-tenth to be grouped into:
TiO
20.3-1.5 weight %,
Lauryl sodium sulfate 0.4-1.0 weight %
Sulfosuccinate 2-ethyl sodium 0.1-0.5 weight %,
Perfluorinated polyether carboxylic acid amine 0.4-0.8 weight %,
Two-lauryl dimethyl amine bromide 0.6-1.0 weight %,
Octadecyl trihalosilane 0.3-0.8 weight %,
Glycerine 5.0-10 weight %,
C
6H
2(CF
3)
4Cu 0.0005-0.01 weight %,
Surplus is a water.
Can select, mixture of the present invention has following one-tenth to be grouped into:
TiO
20.1-2.0 weight %,
Lauryl sodium sulfate 0.1-1.0 weight %,
Sulfosuccinate 2-ethyl sodium 0.05-0.5 weight %,
Perfluoro-pelargonic acid 1.0-2.0 weight %,
DMAA 0.2-1.2 weight %,
Octadecyl trihalosilane 0.1-1.0 weight %,
Glycerine 5.0-10 weight %,
C
6H
2(CF
3)
4Cu 0.0005-0.01 weight %,
Surplus is a water.
Be preferably, mixture of the present invention has following one-tenth to be grouped into:
TiO
20.5-1.5 weight %,
Lauryl sodium sulfate 0.4-1.0 weight %,
Sulfosuccinate 2-ethyl sodium 0.1-0.5 weight %,
Perfluoro-pelargonic acid 1.3-2.0 weight %,
DMAA 0.4-1.0 weight %,
Octadecyl trihalosilane 0.3-0.8 weight %,
Glycerine 5.0-10 weight %,
C
6H
2(CF
3)
4Cu 0.0005-0.01 weight %,
Surplus is a water.
In the present invention, described C
6H
2(CF
3)
4Cu can use C
10H
18Pt, C
10H
14O
4Pd or C
10H
10One of Ni replaces.
The preparation method who contains nano titanium dioxide mixture with light self cleaning function of the present invention comprises the steps:
A, glycerine is dissolved in the water of total amount 50% of high-speed stirred, forms emulsion, continue to be added dropwise in the whipping process octadecyl trihalosilane again, add two-lauryl dimethyl amine bromide or DMAA again;
B, with anatase titanium dioxide TIO
2With rutile-type TIO
2Mix with the ultrasonic wave blender,, join in the solution that contains said mixture simultaneously with lauryl sodium sulfate, stir mixture;
C, contain above-mentioned anatase titanium dioxide TIO after will stirring
2With rutile-type TIO
2Mixture solution joins aforementioned just in the A of high-speed stirred solution with the dropping form;
D, continuation high-speed stirred A solution continue to stir four hours with dropping form adding perfluorinated polyether carboxylic acid amine or perfluoro-pelargonic acid after two hours again, obtain stable emulsion;
E, with C
6H
2(CF
3)
4Cu, C
10H
18Pt, C
10H
14O
4Pd or C
10H
10One of Ni joins in the excess water, mixes, and drops in the above-mentioned emulsion under high-speed stirred, stirs in continuation and obtains product in two hours.
The process for making such fabric that contains nano titanium dioxide mixture with light self cleaning function of the present invention, be to put into the supercritical carbon dioxide treatment machine through pretreated fabric, to add in the sample cell of supercritical carbon dioxide treatment machine by the mixture that contains nano titanium oxide with light self cleaning function of preceding method preparation again, after tightening the pipe lid, in temperature is that 50-120 ℃, pressure are 10-30MPa and time to be to handle in 10-60 minute, and the amount of mixture on fabric is the 0.1-3% of fabric weight.
Further, the process for making such fabric that contains nano titanium dioxide mixture with light self cleaning function of the present invention, be to put into the supercritical carbon dioxide treatment machine through pretreated fabric, to add by the mixture that contains nano titanium oxide with light self cleaning function of preceding method preparation again and handle after tightening the pipe lid in the sample cell of supercritical carbon dioxide treatment machine, treatment temperature is 100-120 ℃, operating pressure is 20-30MPa, and the processing time is 30-50 minute.
Be preferably, the process for making such fabric that contains nano titanium dioxide mixture with light self cleaning function of the present invention, be that fabric is put into the supercritical carbon dioxide treatment machine, to add in the sample cell of supercritical carbon dioxide treatment machine by the mixture that contains nano titanium oxide with light self cleaning function of preceding method preparation again, handle after tightening the pipe lid,, treatment temperature is 120 ℃, operating pressure is 25-30MPa, and the processing time is 35-45 minute.
The present invention is with nanometer TIO
2Be prepared into fluorine-containing reversed-phase emulsion, utilize supercritical CO again
2Fluid technique will be dispersed in the TIO in the reversed-phase emulsion
2Particle injects among the fiber, is prepared into the fibre with light self cleaning function.
The present invention adopts C
10H
18Pt, C
10H
14O
4Pd, C
10H
10Ni and C
6H
2(CF
3)
4Heavy metal ion such as Cu are added to as photocatalyst promoter makes it by hydridization and by supercritical CO in the nano TiO 2 reversed-phase emulsion
2Fluid technique will be dispersed in the hydridization TIO in the reversed-phase emulsion
2Particle injects among the fiber, makes the fibre with light self cleaning function, makes the contained hydridization TIO of this fibre
2Particle obtains the function of efficient catalytic resolving harmful gas under ultraviolet excitation.
Photocatalyst reaction causes because of ultraviolet energy excites titanium dioxide, so be called as the reaction of light solid interface.Nanometer TIO
2Be n-type semiconductor.Theoretically, as long as the luminous energy (hv) that semiconductor absorbs is not less than its energy gap, the electronics (e on the valence band
-) just can be excited transits to conduction band, produces corresponding hole (h on valence band
+), h subsequently
+And e
-Be adsorbed on TIO
2Lip-deep H
2O, O
2Deng having an effect, generate OH, O
2 -Contour active group, certainly, the hole of generation and electronics also have compound possibility. and inside generated electronics and hole after titanium dioxide was subjected to optical excitation, and the electronics and the cavity energy that are diffused into the surface participate in photocatalyst reaction, and can make the extremely strong hydroxyl free radical of oxidability, make photocatalyst-TiO
2Have antibacterial, sterilization, characteristic such as smelly, the avirulence of disappearing, hydrophily, self-cleaning, therefore, photocatalyst becomes one of desirable environment-friendly products.
Further discover: after the ultraviolet ray of dioxide photocatalyst titanium in absorbing sunshine or lighting source, under the exciting of ultraviolet energy, surface electronic is excited and flies out, can produce and have the electron hole of superpower oxidability (when electronics flies out, + positive cave generates), and electronics has superpower reducing power, can produce oxonium ion and hydroxyl free radical (O after reacting with airborne aqueous vapor
2OH), form active oxygen, hydroxyl free radical, oxidation Decomposition such as harmful organic substances such as formaldehyde, methylamine, pollutant foul smell, bacterium can be become innocuous substance carbon dioxide and water with extremely strong oxidation, and participate in reduction reaction, the oxygen in the reducing atmosphere during electron synchrotron.Simultaneously, electronics also can play reduction reaction with the oxygen that is attached to the surface, generates superpower oxide anion, forms oxide with the intermediate of oxidation reaction, or becomes water by hydrogen oxide.
This shows photocatalyst Tio
2Be a kind of catalyst, after absorbing ultraviolet ray, surface electronic can be excited, can also reduce the chemical reaction energy, promote chemical reaction or accelerate its reaction speed, but itself does not change because of chemical reaction or destroys this body structure.Therefore, be the self-cleaning catalytic promoter of environment that has development prospect most at present.
In the present invention, the nano titanium oxide of use is provided by the state-run Fukui University of Japan, and its crystal formation comprises Detitanium-ore-type and rutile-type, particle diameter is mostly between 3-6nm, particulate spherical in shape has characteristics such as purity height, Heat stability is good, weightless little and even particle size distribution, and specific area can reach 488m
2/ g, average grain diameter is 4.6nm.
Four, description of drawings
Fig. 1 is the device that a kind of overcritical injection that the present invention can adopt is handled.
In Fig. 1, symbol 1 is represented air accumulator, and symbol 2 is represented force (forcing) pump, and symbol 3 is represented test flume, symbol 4 representative sample QCs, and symbol 5 is represented pressure relieving valve, and symbol 6 is represented scavenging pump, symbol 7 representative sample QCs lid, symbol 8 is represented glass cloth, and symbol 9 is represented test specimen.
By the following specific examples further illustrate the invention, but embodiment only is used for explanation, Can not limit the scope of the invention.
In the present invention, if not refer in particular to, all part, percentages are weight unit, and are all Equipment and raw material etc. all can be buied from market or the industry is commonly used.
Five, the specific embodiment
Example 1:
1), take by weighing the nano titanium dioxide mixture that contains with light self cleaning function in following ratio:
TiO
20.1 kilogram (anatase titanium dioxide TIO wherein
2With rutile-type TIO
2Mixed by 9.5: 0.5), 0.1 kilogram of lauryl sodium sulfate, 0.05 kilogram of sulfosuccinate 2-ethyl sodium, 0.2 kilogram of perfluorinated polyether carboxylic acid amine, 0.5 kilogram of two-lauryl dimethyl amine bromide, 0.1 kilogram of octadecyl trihalosilane, 5.0 kilograms of glycerine, C
6H
2(CF
3)
40.0005 kilogram of Cu, surplus is a water, total amount is 100 kilograms.
2), prepare the mixture that contains nano titanium oxide by the following method with light self cleaning function:
A, glycerine is dissolved in the water of total amount 50% of high-speed stirred (12000rpm), forms emulsion, continue again to stir, be added dropwise to the octadecyl trihalosilane in the whipping process, add two-lauryl dimethyl amine bromide again;
B, with anatase titanium dioxide TIO
2With rutile-type TIO
2Mix with the ultrasonic wave blender,, join in the solution that contains said mixture simultaneously with lauryl sodium sulfate, stir mixture.
C, contain above-mentioned anatase titanium dioxide TIO after will stirring
2With rutile-type TIO
2Mixture solution joins aforementioned just in the A solution of high-speed stirred (12000rpm) with the dropping form
D, continuation high-speed stirred (12000rpm) A solution added perfluorinated polyether carboxylic acid amine with the dropping form again and continue to stir four hours after two hour, obtained stable emulsion;
E, with C
6H
2(CF
3)
4Cu joins in the excess water, mixes, and (12000rpm) drops in the above-mentioned emulsion under high-speed stirred, stirs in continuation and obtains product in two hours;
3), prepare the fabric that contains nano titanium dioxide mixture by the following method with light self cleaning function:
To be to soak in calcium chloride-phosphate solution of 2.23-22.3 weight % and the fabric of oven dry is put into the supercritical carbon dioxide treatment machine in concentration respectively, again will be by method 2) mixture that contains nano titanium oxide with light self cleaning function of preparation adds in the sample cell of supercritical carbon dioxide treatment machine, temperature be 60 ℃, pressure be 12Mpa and time are to handle in 60 minutes after, open pressure relieving valve exhaust release of pressure and clean by scavenging pump, obtain required product, the amount of mixture on fabric is 0.5% of fabric weight.
Example 2
1), take by weighing the nano titanium dioxide mixture that contains with light self cleaning function in following ratio:
TiO
22 kilograms of (anatase titanium dioxide TIO wherein
2With rutile-type TIO
2Mixed by 9.5: 0.5), 1.0 kilograms of lauryl sodium sulfate, 0.5 kilogram of sulfosuccinate 2-ethyl sodium, 1.0 kilograms of perfluorinated polyether carboxylic acid amine, 1.0 kilograms of two-lauryl dimethyl amine bromides, 1.0 kilograms of octadecyl trihalosilanes, 10 kilograms of glycerine, C
6H
2C
10H
14O
40.001 kilogram of Pd, surplus is a water, total amount is 100 kilograms.
2), the method for preparing mixture and fabric is with example 1, the amount of mixture on fabric is 3% of fabric weight.
Example 3
1), take by weighing the nano titanium dioxide mixture that contains with light self cleaning function in following ratio:
TiO
21 kilogram of (anatase titanium dioxide TIO wherein
2With rutile-type TIO
2Mixed by 9.0: 1.0), 0.5 kilogram of lauryl sodium sulfate, 0.1 kilogram of sulfosuccinate 2-ethyl sodium, 0.6 kilogram of perfluorinated polyether carboxylic acid amine (PFPE), 0.7 kilogram of two-lauryl dimethyl amine bromide (DDAB), 0.6 kilogram of octadecyl trihalosilane, 7 kilograms of glycerine, C
6H
2(CF
3)
40.0003 kilogram of Cu, surplus is a water, total amount is 100 kilograms.
2), prepare the method for mixture with example 1;
3), prepare the fabric that contains nano titanium dioxide mixture by the following method with light self cleaning function:
To be to soak in calcium chloride-phosphate solution of 2.23-22.3 weight % and the fabric of oven dry is put in the sample cell of supercritical carbon dioxide treatment machine in concentration respectively, again will be by method 1) mixture that contains nano titanium oxide with light self cleaning function of preparation adds in the sample cell of supercritical carbon dioxide treatment machine, tightening pipe lid back is 120 ℃ in temperature, pressure is 25-30Mpa and time to be after handling in 40 minutes, open pressure relieving valve exhaust release of pressure and take out sample cell, turn on the pipe lid, obtain required product, the amount of mixture on fabric is 0.4% of fabric weight.
Example 4:
1), take by weighing the nano titanium dioxide mixture that contains with light self cleaning function in following ratio:
TiO
20.3 kilogram (anatase titanium dioxide TIO wherein
2With rutile-type TIO
2Mixed by 9.5: 0.5), 0.3 kilogram of lauryl sodium sulfate, 0.2 kilogram of sulfosuccinate 2-ethyl sodium, 1.1 kilograms of perfluoro-pelargonic acids, 0.4 kilogram of DMAA, 0.4 kilogram of octadecyl trihalosilane, 5 kilograms of glycerine, C
6H
2(CF
3)
40.001 kilogram of Cu, surplus is a water, total amount is 100 kilograms.
2), preparation has the mixture that contains nano titanium oxide of light self cleaning function: A, glycerine is dissolved in the water of total amount 50% of high-speed stirred (12000rpm) by the following method, form emulsion, continue again to stir, be added dropwise to the octadecyl trihalosilane in the whipping process, add DMAA again;
B, with anatase titanium dioxide TIO
2With rutile-type TIO
2Mix with the ultrasonic wave blender,, join in the solution that contains said mixture simultaneously with lauryl sodium sulfate, stir mixture.
C, contain above-mentioned anatase titanium dioxide TIO after will stirring
2With rutile-type TIO
2Mixture solution joins aforementioned just in the A solution of high-speed stirred (12000rpm) with the dropping form
D, continuation high-speed stirred (12000rpm) A solution added perfluorinated polyether carboxylic acid amine with the dropping form again and continue to stir four hours after two hour, obtained stable emulsion;
E, with C
6H
2(CF
3)
4Cu joins in the excess water, mixes, and (12000rpm) drops in the above-mentioned emulsion under high-speed stirred, stirs in continuation and obtains product in two hours.
3), prepare the method for the fabric that contains nano titanium dioxide mixture with example 1 with light self cleaning function.
Example 5
1), take by weighing the nano titanium dioxide mixture that contains with light self cleaning function in following ratio:
TiO
21.8 kilogram (anatase titanium dioxide TIO wherein
2With rutile-type TIO
2Mixed by 9.5: 0.5), 0.8 kilogram of lauryl sodium sulfate, 0.5 kilogram of sulfosuccinate 2-ethyl sodium (AOT), 1.8 kilograms of perfluoro-pelargonic acids, 1.1 kilograms of DMAAs (DMAA), 1.0 kilograms of octadecyl trihalosilanes, 9 kilograms of glycerine, C
6H
2(CF
3)
40.008 kilogram of Cu, surplus is a water, total amount is 100 kilograms.
2), prepare the method for mixture with example 4;
3), prepare the fabric that contains nano titanium dioxide mixture by the following method with light self cleaning function:
To be to soak in calcium chloride-phosphate solution of 2.23-22.3 weight % and the fabric of oven dry is put into the supercritical carbon dioxide treatment machine in concentration respectively, again will be by method 1) mixture that contains nano titanium oxide with light self cleaning function of preparation add tighten in the sample cell of supercritical carbon dioxide treatment machine pipe lid back temperature be 120 ℃, pressure be 25-30Mpa and time are to handle in 40 minutes after, open pressure relieving valve exhaust release of pressure and take out sample cell, turn on the pipe lid, obtain required product, the amount of mixture on fabric is the 0.1-2.5% of fabric weight.
Claims (7)
1, a kind of fabric that contains nano titanium dioxide mixture with light self cleaning function is characterized in that containing nano titanium dioxide mixture between the fiber of fabric or in the middle of the fiber and on the yarn, and this mixture contains the TiO of 0.1-2.0 weight %
2, Detitanium-ore-type TiO wherein
2With rutile TiO
2Weight ratio be 9.0-10: 0.1-1.0, the ratio of mixture amount and fabric is 0.1-3 weight %, wherein, mixture has following one-tenth to be grouped into:
TiO
20.1-2.0 weight %,
Lauryl sodium sulfate 0.1-1.0 weight %
Sulfosuccinate 2-ethyl sodium 0.05-0.5 weight %,
Perfluorinated polyether carboxylic acid amine 0.2-1.0 weight %,
Two-lauryl dimethyl amine bromide 0.5-1.0 weight %,
Octadecyl trihalosilane 0.1-1.0 weight %,
Glycerine 5.0-10 weight %,
C
6H
2(CF
3)
4Cu 0.0005-0.01 weight %,
Surplus is a water.
2, a kind of fabric that contains nano titanium dioxide mixture with light self cleaning function is characterized in that containing nano titanium dioxide mixture between the fiber of fabric or in the middle of the fiber and on the yarn, and this mixture contains the TiO of 0.1-2.0 weight %
2, Detitanium-ore-type TiO wherein
2With rutile TiO
2Weight ratio be 9.0-10: 0.1-1.0, the ratio of mixture amount and fabric is 0.1-3 weight %, wherein, mixture has following one-tenth to be grouped into:
TiO
20.1-2.0 weight %,
Lauryl sodium sulfate 0.1-1.0 weight %,
Sulfosuccinate 2-ethyl sodium 0.05-0.5 weight %,
Perfluoro-pelargonic acid 1.0-2.0 weight %,
DMAA 0.2-1.2 weight %,
Octadecyl trihalosilane 0.1-1.0 weight %,
Glycerine 5.0-10 weight %,
C
6H
2(CF
3)
4Cu 0.0005-0.01 weight %,
Surplus is a water.
3, the fabric that contains nano titanium dioxide mixture with light self cleaning function according to claim 1 and 2, it is characterized in that containing nano titanium dioxide mixture between the fiber of fabric or in the middle of the fiber and on the yarn, this mixture contains the TiO of 0.5-1.0 weight %
2, Detitanium-ore-type TiO wherein
2With rutile TiO
2Weight ratio be 9.5: 0.5, the ratio of mixture amount and fabric is 0.5-2 weight %.
4, the fabric that contains nano titanium dioxide mixture with light self cleaning function according to claim 1 and 2 is characterized in that described C
6H
2(CF
3)
4Cu can use C
10H
18Pt, C
10H14O
4Pd or C
10H
10One of Ni replaces.
5, according to the described process for making such fabric that contains nano titanium dioxide mixture of one of claim 1-4 with light self cleaning function, it is characterized in that and to put into the supercritical carbon dioxide treatment machine through pretreated fabric, the mixture that contains nano titanium oxide with light self cleaning function that will prepare again adds in the sample cell of supercritical carbon dioxide treatment machine, temperature be 50-120 ℃, pressure be 10-30MPa and time are to handle in 10-60 minute after, take out required product after opening pressure relieving valve exhaust release of pressure.
6, the process for making such fabric that contains nano titanium dioxide mixture with light self cleaning function according to claim 5 is characterized in that treatment temperature is 100-120 ℃, and operating pressure is 20-30MPa, and the processing time is 30-50 minute.
7, the process for making such fabric that contains nano titanium dioxide mixture with light self cleaning function according to claim 5 is characterized in that treatment temperature is 120 ℃, and operating pressure is 25-30MPa, and the processing time is 35-45 minute.
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| CN110184807A (en) * | 2019-05-22 | 2019-08-30 | 湖南莎丽袜业股份有限公司 | A kind of light cleaning dye-free yarn and preparation method thereof |
| CN110523271B (en) * | 2019-09-09 | 2022-04-12 | 厦门当盛新材料有限公司 | Building interior material and preparation method thereof |
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