CN109853223A - A kind of TiO2The preparation method of-rGo composite self-cleaning fabric - Google Patents
A kind of TiO2The preparation method of-rGo composite self-cleaning fabric Download PDFInfo
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- CN109853223A CN109853223A CN201811651063.8A CN201811651063A CN109853223A CN 109853223 A CN109853223 A CN 109853223A CN 201811651063 A CN201811651063 A CN 201811651063A CN 109853223 A CN109853223 A CN 109853223A
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- titanium dioxide
- redox graphene
- preparation
- titania
- cleaning fabric
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Abstract
The invention discloses a kind of TiO2The preparation method of-rGo composite self-cleaning fabric, includes the following steps: step 1, prepares titanium dioxide-redox graphene dispersion liquid；Step 2, after fabric being cleaned out, ultraviolet light irradiation handles 20 ~ 40 min；Step 3, step 2 treated fabric is immersed containing in step 1 gained titanium dioxide-redox graphene dispersion liquid finishing fluid, 20 ~ 40 min of ultrasound, then 50 ~ 120 s of setting treatment to get.The composite self-cleaning fabric self-cleaning effect that the present invention obtains is excellent, and process is simple, it is easy to accomplish industrialization is suitable for promoting the use of.
Description
Technical field
The invention belongs to function fabric technical fields, and in particular to a kind of TiO2The preparation side of-rGo composite self-cleaning fabric
Method.
Background technique
Titanium dioxide (TiO2) wide due to having with chemical stability height and the characteristics such as environmental-friendly in photocatalysis field
General application value.Under the conditions of existing for the Guang Heshui, TiO2To the pernicious gas in air such as nitrogen oxides, formaldehyde, toluene
There is very strong killing effect Deng with very strong degradation and to bacterium.Meanwhile TiO2With very strong ultraviolet radiation absorption
Ability can substantially reduce invasion of the ultraviolet light to high molecular material, reduce the generation of living radical, and protection materials are not ultraviolet
Line is degraded.Therefore, TiO2The performances such as the excellent automatically cleaning of fabric, antibacterium and antiultraviolet can be assigned.
Graphene or redox graphene (GO) Yin have good electric conductivity and chemical stability, in conjunction with special list
Atomic layer planar structure and its high-specific surface area, frequently as nano particle carrier material and be widely used.Aoxidize stone
Black alkene is the important presoma for preparing redox graphene.
Currently, the research about TiO2 and redox graphene compound is concentrated mainly on TiO2 nano particle and reduction
The simple physical of graphene oxide mixes, and since TiO2 nano particle is easy to reunite on redox graphene, it hinders
Direct effect between the two, reduces the synergistic effect between redox graphene and TiO2 nano particle significantly.
Summary of the invention
For the deficiency of existing issue, the object of the present invention is to provide a kind of TiO2The preparation of-rGo composite self-cleaning fabric
Method.
The technical solution used to solve the technical problems of the present invention is that:
A kind of TiO2The preparation method of-rGo composite self-cleaning fabric, includes the following steps:
Step 1, titanium dioxide-redox graphene dispersion liquid is prepared；
Step 2, after fabric being cleaned out, ultraviolet light irradiation handles 20~40min；
Step 3, step 2 treated fabric is immersed and is dispersed containing step 1 gained titanium dioxide-redox graphene
In the finishing fluid of liquid, 20~40min of ultrasound, then 50~120s of setting treatment to get.
Wherein, the step 1 comprises the following specific steps that:
(1) graphite oxide olefinic substance is dispersed in water, ultrasound obtains graphene oxide dispersion；
(2) titanium dioxide is added in graphene oxide dispersion made from step (1), is stirred, ultrasound is centrifuged, and is done
It is dry, obtain graphene oxide-loaded titania powder solid product；
(3) titania powder solid product graphene oxide-loaded made from step (2) is added into water, then plus
Enter reducing agent, move into reaction kettle, 140~180 DEG C, hydro-thermal reaction 12~for 24 hours, then through washing, centrifugation, it is dry after, obtain two
Titanium oxide-redox graphene composite material；
(4) water is added to titanium dioxide made from step (3)-redox graphene composite material, ultrasonic disperse obtains two
Titanium oxide-redox graphene dispersion liquid.
As the optimal technical scheme of the application, in the step (1), the concentration of graphene oxide dispersion is
0.05%-0.5%.
As the optimal technical scheme of the application, in the step (2), titanium dioxide is metal-doped titanium dioxide, non-
The binary doped titanium dioxide of metal-doped titanium dioxide, metal-non-metal, metal-non-metal-metal ternary doping titanium dioxide
Titanium.
Preferably, in the step (2), metal-doped titanium dioxide be Sb is titania-doped, Sb is titania-doped,
La is titania-doped, Zr is titania-doped or Fe is titania-doped.
Preferably, in the step (2), nonmetal doping titanium dioxide is that N is titania-doped or S adulterates titanium dioxide
Titanium.
Preferably, in the step (2), the binary doped titanium dioxide of metal-non-metal be Sb-N it is titania-doped,
La-N is titania-doped, Fe-N is titania-doped, Fe-S is one or both of titania-doped.
Preferably, in the step (2), metal-non-metal-metal ternary doping titanium dioxide is Sb-N-Zr doping two
Titanium oxide or La-N-Fe are titania-doped.
As the optimal technical scheme of the application, in the step (3), reducing agent is ammonium hydroxide；Ammonium hydroxide additional amount and oxidation
Graphene-supported titania powder solid product mass ratio is 1~4:1, titanium dioxide-graphene oxide composite material
Mass concentration is 1~10%.
As the optimal technical scheme of the application, oxygen reduction fossil in titanium dioxide-redox graphene composite material
The mass ratio of black alkene and titanium dioxide is 1-5:5-1.
As the optimal technical scheme of the application, in the finishing fluid of the step 3, titanium dioxide-redox graphene
The additional amount of dispersion liquid is the 1~5% of finishing fluid gross mass.
As the optimal technical scheme of the application, the temperature of the setting treatment is 140~160 DEG C, pre- before setting treatment
Drying, the temperature of prebake are 70~90 DEG C, and the time is 40~80min.
Beneficial effect
TiO provided by the invention2The preparation method of-rGo composite self-cleaning fabric has following compared with prior art
The utility model has the advantages that
(1) redox graphene is added during the preparation process, as TiO2Carrier, promote TiO2Dispersibility with
One property；
(2) TiO in finishing fluid of the present invention2Close interfacial contact is formd with redox graphene, promotes photoproduction electricity
The separation of son-hole, improves TiO2Photocatalytic activity, further increase the automatically cleaning efficiency of fabric；
(3) titanium dioxide selection metal, nonmetal doping titanium dioxide or the metal-non-metal binary that the present invention selects
Titania-doped, test discovery self-cleaning effect is substantially better than titanium dioxide；
(4) find that self-cleaning fabrics first carry out ultraviolet irradiation processing before arrangement in preparation process of the present invention, for knitting
The automatically cleaning efficiency of object is obviously improved.
Specific embodiment
The present invention is described in further details with reference to embodiments.Production is not specified in agents useful for same or instrument and equipment
Manufacturer, it is accordingly to be regarded as the conventional products that can be bought by market.
Embodiment 1:
A kind of preparation method of TiO2-rGo composite self-cleaning fabric, includes the following steps:
Step 1, titanium dioxide-redox graphene dispersion liquid is prepared；
Step 2, after fabric being cleaned out, ultraviolet light irradiation handles 20min；
Step 3, step 2 treated fabric is immersed and is dispersed containing step 1 gained titanium dioxide-redox graphene
In the finishing fluid of liquid, titanium dioxide-redox graphene dispersion liquid additional amount is the 1% of finishing fluid gross mass, ultrasound
20min, then setting treatment 50s, the temperature of setting treatment are 140 DEG C, and prebake before setting treatment, the temperature of prebake is 70
DEG C, time 80min.To obtain the final product.
Wherein, the step 1 comprises the following specific steps that:
(1) graphite oxide olefinic substance is dispersed in water, ultrasound obtains graphene oxide dispersion, wherein graphite oxide
The concentration of alkene dispersion liquid is 0.05%；
(2) it is added to Sb is titania-doped in graphene oxide dispersion made from step (1), stirs, ultrasound, from
The heart, it is dry, obtain graphene oxide-loaded titania powder solid product；
(3) titania powder solid product graphene oxide-loaded made from step (2) is added into water, then plus
Enter ammonium hydroxide, ammonium hydroxide additional amount is that graphene oxide-loaded titania powder solid product mass ratio is 1:4, moves into reaction
Kettle, 140 DEG C of hydro-thermal reaction 12h obtain titanium dioxide-redox graphene composite wood then after washing, centrifugation, drying
Expect, wherein the mass ratio 1:1 of reduction-oxidation graphene oxide and titanium dioxide；
(4) water is added to titanium dioxide made from step (3)-redox graphene composite material, mass concentration is
1%, ultrasonic disperse obtains titanium dioxide-redox graphene dispersion liquid.
Embodiment 2
A kind of preparation method of TiO2-rGo composite self-cleaning fabric, includes the following steps:
Step 1, titanium dioxide-redox graphene dispersion liquid is prepared；
Step 2, after fabric being cleaned out, ultraviolet light irradiation handles 40min；
Step 3, step 2 treated fabric is immersed and is dispersed containing step 1 gained titanium dioxide-redox graphene
In the finishing fluid of liquid, titanium dioxide-redox graphene dispersion liquid additional amount is the 5% of finishing fluid gross mass, ultrasound
40min, then setting treatment 120s, the temperature of setting treatment are 160 DEG C, and prebake before setting treatment, the temperature of prebake is 90
DEG C, time 40min.
To obtain the final product.
Wherein, the step 1 comprises the following specific steps that:
(1) graphite oxide olefinic substance is dispersed in water, ultrasound obtains graphene oxide dispersion, wherein graphite oxide
The concentration of alkene dispersion liquid is 0.5%；
(2) it is added to La-N is titania-doped in graphene oxide dispersion made from step (1), stirs, ultrasound,
Centrifugation, it is dry, obtain graphene oxide-loaded titania powder solid product；
(3) titania powder solid product graphene oxide-loaded made from step (2) is added into water, then plus
Enter ammonium hydroxide, ammonium hydroxide additional amount and graphene oxide-loaded titania powder solid product mass ratio are 1~1, move into reaction
Kettle, 180 DEG C, hydro-thermal reaction for 24 hours, then after washing, centrifugation, drying, obtains titanium dioxide-redox graphene composite wood
Material, wherein the mass ratio of redox graphene and titanium dioxide is 5:1；
(4) water is added to titanium dioxide made from step (3)-redox graphene composite material, mass concentration is
10%, ultrasonic disperse obtains titanium dioxide-redox graphene dispersion liquid.
Embodiment 3
A kind of preparation method of TiO2-rGo composite self-cleaning fabric, includes the following steps:
Step 1, titanium dioxide-redox graphene dispersion liquid is prepared；
Step 2, after fabric being cleaned out, ultraviolet light irradiation handles 30min；
Step 3, step 2 treated fabric is immersed and is dispersed containing step 1 gained titanium dioxide-redox graphene
In the finishing fluid of liquid, titanium dioxide-redox graphene dispersion liquid additional amount is the 1~5% of finishing fluid gross mass, ultrasound
25min, then setting treatment 100s, the temperature of setting treatment are 150 DEG C, and prebake before setting treatment, the temperature of prebake is 85
DEG C, time 60min.To obtain the final product.
Wherein, the step 1 comprises the following specific steps that:
(1) graphite oxide olefinic substance is dispersed in water, ultrasound, obtains graphene oxide dispersion, graphene oxide point
The concentration of dispersion liquid is 0.2%；
(2) the titania-doped titanium dioxide of Sb-N-Zr is added to graphene oxide dispersion made from step (1)
In, stirring, ultrasound is centrifuged, and it is dry, obtain graphene oxide-loaded titania powder solid product；
(3) titania powder solid product graphene oxide-loaded made from step (2) is added into water, then plus
Enter ammonium hydroxide, ammonium hydroxide additional amount and graphene oxide-loaded titania powder solid product mass ratio are 2:1, move into reaction
Kettle, 140~180 DEG C, hydro-thermal reaction 12~for 24 hours, then after washing, centrifugation, drying, obtain titanium dioxide-oxygen reduction fossil
Black alkene composite material, the mass ratio of redox graphene and titanium dioxide is 1:5 in composite material；
(4) water is added to titanium dioxide made from step (3)-redox graphene composite material, mass concentration is
5%, ultrasonic disperse obtains titanium dioxide-redox graphene dispersion liquid.
As the optimal technical scheme of the application, the temperature of the setting treatment is 140~160 DEG C, pre- before setting treatment
Drying, the temperature of prebake are 70~90 DEG C, and the time is 40~80min.
Embodiment 4
Except titanium dioxide is that N is titania-doped, other raw materials and method are the same as embodiment 3.
Embodiment 5
Except titanium dioxide is that W is titania-doped, other raw materials and method are the same as embodiment 2.
Embodiment 6
Except titanium dioxide is that Sb-N is titania-doped, other raw materials and method are the same as embodiment 1.
Embodiment 7
Except titanium dioxide is that La is titania-doped, other raw materials and method are the same as embodiment 3.
Comparative example 1
Titanium dioxide-redox graphene dispersion liquid is not added in finishing fluid, other raw materials and method are the same as embodiment 3.
Comparative example 2
It is not added with redox graphene in finishing fluid, only adds titanium dioxide, other raw materials and method are the same as embodiment 3.
Performance test
As can be seen from the above table, the degradation effect of PARA FORMALDEHYDE PRILLS(91,95) of the present invention is significant, and the removal rate of methane is 90% or more.
Protection content of the invention is not limited to above embodiments.Without departing from the spirit and scope of the invention, originally
Field technical staff it is conceivable that variation and advantage be all included in the present invention, and with the attached claims be protection
Range.
Claims (8)
1. a kind of TiO2The preparation method of-rGo composite self-cleaning fabric, which comprises the steps of:
Step 1, titanium dioxide-redox graphene dispersion liquid is prepared；
Step 2, after fabric being cleaned out, ultraviolet light irradiation handles 20 ~ 40 min；
Step 3, step 2 treated fabric immersion is contained into step 1 gained titanium dioxide-redox graphene dispersion liquid
In finishing fluid, 20 ~ 40 min of ultrasound, then 50 ~ 120 s of setting treatment to get.
2. TiO according to claim 12The preparation method of-rGo composite self-cleaning fabric, which is characterized in that the step 1
It comprises the following specific steps that:
(1) graphite oxide olefinic substance is dispersed in water, ultrasound obtains graphene oxide dispersion；
(2) titanium dioxide being added in graphene oxide dispersion made from step (1), is stirred, ultrasound is centrifuged, and it is dry, it obtains
To graphene oxide-loaded titania powder solid product；
(3) titania powder solid product graphene oxide-loaded made from step (2) is added into water, is added also
Former agent moves into reaction kettle, 140 ~ 180 DEG C, 12 ~ 24 h of hydro-thermal reaction, then after washing, centrifugation, drying, obtains titanium dioxide
Titanium-redox graphene composite material；
(4) water is added to titanium dioxide made from step (3)-redox graphene composite material, ultrasonic disperse obtains titanium dioxide
Titanium-redox graphene dispersion liquid.
3. TiO according to claim 22The preparation method of-rGo composite self-cleaning fabric, which is characterized in that the step
(1) in, the concentration of graphene oxide dispersion is 0.05%-0.5%.
4. TiO according to claim 22The preparation method of-rGo composite self-cleaning fabric, which is characterized in that the step
(2) in, titanium dioxide is that N is titania-doped, Sb is titania-doped, La is titania-doped or Sb-N adulterates titanium dioxide
Titanium, La-N are one or both of titania-doped.
5. TiO according to claim 22The preparation method of-rGo composite self-cleaning fabric, which is characterized in that the step
(3) in, reducing agent is ammonium hydroxide；Ammonium hydroxide additional amount and graphene oxide-loaded titania powder solid product mass ratio are 1
~4:1, in the step (4), titanium dioxide-redox graphene composite material mass concentration is 1~10%.
6. TiO according to claim 22The preparation method of-rGo composite self-cleaning fabric, which is characterized in that titanium dioxide-
The mass ratio of redox graphene and titanium dioxide is 1-5:5-1 in redox graphene composite material.
7. TiO according to claim 12The preparation method of-rGo composite self-cleaning fabric, which is characterized in that the step 3
Finishing fluid in, titanium dioxide-redox graphene dispersion liquid additional amount be finishing fluid gross mass 1 ~ 5%.
8. TiO according to claim 12The preparation method of-rGO composite self-cleaning fabric, which is characterized in that the sizing
The temperature of processing is 140 ~ 160 DEG C, prebake before setting treatment, and the temperature of prebake is 70 ~ 90 DEG C, and the time is 40 ~ 80
min。
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| CN201811651063.8A CN109853223A (en) | 2018-12-31 | 2018-12-31 | A kind of TiO2The preparation method of-rGo composite self-cleaning fabric |
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| CN201811651063.8A CN109853223A (en) | 2018-12-31 | 2018-12-31 | A kind of TiO2The preparation method of-rGo composite self-cleaning fabric |
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| CN113699790A (en) * | 2021-09-02 | 2021-11-26 | 和也健康科技有限公司 | Preparation method of fabric after-finishing agent |
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Application publication date: 20190607 |