CN113445303A - Nano material for removing formaldehyde and sterilizing for leather and textiles and preparation method thereof - Google Patents
Nano material for removing formaldehyde and sterilizing for leather and textiles and preparation method thereof Download PDFInfo
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- CN113445303A CN113445303A CN202110777241.7A CN202110777241A CN113445303A CN 113445303 A CN113445303 A CN 113445303A CN 202110777241 A CN202110777241 A CN 202110777241A CN 113445303 A CN113445303 A CN 113445303A
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 239000010985 leather Substances 0.000 title claims abstract description 33
- 239000004753 textile Substances 0.000 title claims abstract description 33
- 239000002086 nanomaterial Substances 0.000 title claims abstract description 27
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 85
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 58
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000012528 membrane Substances 0.000 claims abstract description 39
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 36
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 20
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 18
- 229920001661 Chitosan Polymers 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 83
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 15
- 229920000058 polyacrylate Polymers 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 13
- 229920000734 polysilsesquioxane polymer Polymers 0.000 claims description 12
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000002071 nanotube Substances 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000001699 photocatalysis Effects 0.000 abstract description 2
- 238000007146 photocatalysis Methods 0.000 abstract description 2
- 238000000643 oven drying Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000002114 nanocomposite Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000035943 smell Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- -1 titanium ions Chemical class 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/12—Processes in which the treating agent is incorporated in microcapsules
Abstract
The invention discloses a nano material for removing formaldehyde and sterilizing for leather and textiles and a preparation method thereof, wherein the nano material comprises nano titanium dioxide, and the nano titanium dioxide is wrapped by a membrane material; the weight of the membrane material is 0.05-0.12 times of the weight of the nano titanium dioxide; the membrane material comprises chitosan; the method comprises the steps of preparing nano titanium dioxide, preparing a membrane material and the like. The nano titanium dioxide used in the invention has photocatalysis characteristic, can decompose formaldehyde contained in leather and textile production, and has self-cleaning property; the use of the film material for wrapping can prolong the service life of the leather and the textile, and avoid the loss of titanium dioxide in the using process of the leather and the textile; the nano calcium carbonate added into the film material can improve the wear resistance of the nano material and prolong the service life.
Description
Technical Field
The invention belongs to the technical field of nano material processing and preparation, and particularly relates to a nano material for removing formaldehyde and sterilizing for leather and textiles and a preparation method thereof.
Background
Leather products mainly comprise products such as shoes, clothes, bags, boxes and the like, textiles are used for processing products such as clothes, and due to the fact that various chemical raw material preparations are used in the processing and synthesizing process, the leather products, the textiles and other products can have pungent or harmful smells such as formaldehyde, irritant gas generated by oxidation and the like after being manufactured, the quality of the products is affected, harm can be caused to human bodies, and the requirements of people on the products are difficult to meet.
Disclosure of Invention
The invention provides a nano material for removing formaldehyde and sterilizing for leather and textiles and a preparation method thereof, which aim to solve the technical problems.
In order to solve the technical problems, the invention adopts the following technical scheme:
a nanometer material for removing formaldehyde and sterilizing for leather and textiles comprises nanometer titanium dioxide, wherein the nanometer titanium dioxide is wrapped by a membrane material; the weight of the membrane material is 0.05-0.12 times of the weight of the nano titanium dioxide; the membrane material comprises chitosan.
Further, the preparation method of the nano titanium dioxide comprises the following steps: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage-type polysilsesquioxane, heating and stirring, filtering to obtain gel, oven drying, and pulverizing. Tetrabutyl titanate is modified by ethylene glycol, and then the added cage-type polysilsesquioxane can react with hydroxyl, so that titanium ions can be distributed on the expanded polysilsesquioxane, and the agglomeration of the titanium ions can be avoided.
Further, the film material also comprises polyacrylate, and the weight of the polyacrylate is 0.08-0.1 time of that of the titanium dioxide.
Further, the film material also comprises nano calcium carbonate, and the weight of the nano calcium carbonate is 0.02-0.4 times of that of the titanium dioxide; sodium lignosulphonate is added for modification during the preparation of the nano sodium carbonate. The addition of the nano calcium carbonate can improve the wear resistance of the nano material sprayed on leather and textiles and prolong the service life.
The invention also provides a preparation method of the nano material for removing formaldehyde and sterilizing for leather and textiles, which comprises the following steps:
s1, preparing nano titanium dioxide: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage type polysilsesquioxane, heating and stirring, filtering to obtain a gel, drying, and crushing to obtain the product;
s2, preparing a membrane material: adding chitosan into water, adding a little diluted acid, stirring to dissolve, adding polyacrylate, stirring, adding nano calcium carbonate, and stirring uniformly to obtain the product;
s3, adding the membrane material of S2 into a preparation device, then adding the nano titanium dioxide of S1 into the preparation device, and ultrasonically stirring for 30-90min to obtain the titanium dioxide nano-tube. The prepared nano material is sprayed on the surfaces of leather and textiles when in use and is dried, so that the smell on the leather and the textiles can be well decomposed, and the cleaning cost is reduced due to the self-cleaning performance.
Further, the heating temperature in the S1 is 60-80 ℃, and the drying temperature is 130-150 ℃.
Furthermore, the nano titanium dioxide is added into the preparation device for 2 to 3 times, and the first addition is 0.2 to 0.4 time of the weight of the nano titanium dioxide.
Further, the preparation device comprises a box body 1, wherein a first charging hole 11 and a second charging hole 12 are formed in the top of the box body 1, and a discharge hole 13 is formed in the bottom of the box body 1; a partition plate 14 is arranged in the box body 1, and a discharge hole 15 is formed in the partition plate 14; the side surface of the box body 1 is also provided with a stirring device 3, a stirring rod 31 is arranged on the stirring device 3, and a stirring blade 32 is arranged on the stirring rod 31; the stirring rod 31 is arranged above the clapboard 14; the top of the box body 1 is provided with an ultrasonic stirring device 4, and the ultrasonic stirring device 4 is provided with a variable amplitude rod 41 extending into the box body 1. The first feed inlet is used for adding membrane materials, the second feed inlet is used for adding nano titanium dioxide, and the discharge outlet is used for discharging prepared nano materials; the box body is divided into an upper part and a lower part by the arranged partition plate, wherein the upper part is used for stirring, and the lower part is used for storing materials; the stirring device and the ultrasonic stirring device are combined for use, so that the stirring uniformity can be improved, and the stirring efficiency can be improved.
Furthermore, a filter plate 16 is arranged in the box body 1, and filter holes 17 are formed in the filter plate 16; the filter plate 16 is disposed below the partition 14. The filter plate is arranged to prevent the materials from being discharged when the stirring is not uniform, and the use of the materials is influenced.
Further, a material guide pipe 2 is arranged in the second feeding port 12, the material guide pipe 2 extends into the box body 1, a hole 21 is formed in the bottom end of the material guide pipe 2, and a one-way valve 22 is arranged on the material guide pipe 2; an air inlet pipe 23 is arranged below the one-way valve 22; the check valve 22 and the air inlet pipe 23 are both arranged on the outer side of the box body 1; because the nano titanium dioxide is powder, the material guide pipe is arranged for adding the titanium dioxide; when the device is used, the material guide pipe extends into the film material in the box body, so that titanium dioxide dust is prevented from flying when the device is put in; the air inlet pipe is used for feeding materials at a certain speed, so that the nano titanium dioxide can better enter the box body and is combined with the membrane material.
The invention has the advantages that: 1. the used nano titanium dioxide has photocatalysis property, can decompose formaldehyde contained in leather and textile production, and has good formaldehyde removal and sterilization effects; 2. the nano titanium dioxide is wrapped by the membrane material, so that the service life of the nano titanium dioxide can be prolonged, and the use effect is prevented from being influenced by the loss of the titanium dioxide in the use process of leather and textiles; 3. the nano calcium carbonate added into the film material can improve the wear resistance of the nano material and prolong the service life; 4. the preparation device can uniformly mix the nano titanium dioxide with the membrane material through the combination of stirring and ultrasound, so that the uniformity and stability of the nano material are ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a catheter structure.
Reference numerals: 1-box body, 11-first charging opening, 12-second charging opening, 13-discharging opening, 14-clapboard, 15-discharging opening, 16-filtering plate, 17-filtering hole, 2-material guiding pipe, 21-hole, 22-one-way valve, 23-air inlet pipe, 3-stirring device, 31-stirring rod, 32-stirring blade, 4-ultrasonic stirring device and 41-amplitude-changing rod.
Detailed Description
In order to facilitate a better understanding of the invention, the following examples are given to illustrate, but not to limit the scope of the invention.
Example 1
A nanometer material for removing formaldehyde and sterilizing for leather and textiles comprises nanometer titanium dioxide wrapped by a membrane material; the weight of the membrane material is 0.05 times of the weight of the nano titanium dioxide; the membrane material comprises chitosan.
The preparation method of the nano titanium dioxide comprises the following steps: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage-type polysilsesquioxane, heating and stirring, filtering to obtain gel, oven drying, and pulverizing.
The film material also comprises polyacrylate, and the weight of the polyacrylate is 0.08 times of that of the titanium dioxide.
The film material also comprises nano calcium carbonate, and the weight of the nano calcium carbonate is 0.02 time of that of the titanium dioxide; sodium lignosulphonate is added for modification when the nano sodium carbonate is prepared.
A method for preparing a nano material for removing formaldehyde and sterilizing for leather and textiles comprises the following steps:
s1, preparing nano titanium dioxide: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage type polysilsesquioxane, heating and stirring, filtering to obtain a gel, drying, and crushing to obtain the product;
s2, preparing a membrane material: adding chitosan into water, adding a little diluted acid, stirring to dissolve, adding polyacrylate, stirring, adding nano calcium carbonate, and stirring uniformly to obtain the product;
s3, adding the membrane material of S2 into a preparation device, then adding the nano titanium dioxide of S1 into the preparation device, and ultrasonically stirring for 30min to obtain the titanium dioxide nano-composite material.
The heating temperature in S1 was 60 ℃ and the drying temperature was 130 ℃.
The nano titanium dioxide is added into the preparation device for 2 times, and the first addition is 0.2 time of the weight of the nano titanium dioxide.
As shown in fig. 1, the preparation device comprises a box body 1, a first charging opening 11 and a second charging opening 12 are arranged at the top of the box body 1, and a discharge opening 13 is arranged at the bottom of the box body 1; a partition plate 14 is arranged in the box body 1, and a discharge hole 15 is formed in the partition plate 14; the side surface of the box body 1 is also provided with a stirring device 3, a stirring rod 31 is arranged on the stirring device 3, and a stirring blade 32 is arranged on the stirring rod 31; the stirring rod 31 is arranged above the clapboard 14; the top of the box body 1 is provided with an ultrasonic stirring device 4, and the ultrasonic stirring device 4 is provided with a stirring rod 41 extending into the box body 1.
As shown in fig. 1, a filter plate 16 is further arranged in the box body 1, and filter holes 17 are arranged on the filter plate 16; the filter plate 16 is disposed below the partition 14.
As shown in fig. 1 and 2, a material guide pipe 2 is arranged in the second feeding port 12, the material guide pipe 2 extends into the box body 1, a hole 21 is arranged at the bottom end of the material guide pipe 2, and a check valve 22 is arranged on the material guide pipe 2; an air inlet pipe 23 is arranged below the one-way valve 22; the check valve 22 and the intake pipe 23 are both provided outside the case 1.
In the present invention, the specific types of the components such as the stirring device and the ultrasonic stirring device are not the improvement point of the present invention, and are not described herein again.
The use method of the preparation device comprises the following steps: the valves on the discharge hole and the discharge hole are closed firstly; preparing a membrane material and nano titanium dioxide in advance; then, the membrane material is added into the box body from the first feeding port, and a valve on the first feeding port is closed after the membrane material is added; nanometer titanium dioxide is added into the box body from the material guide pipe, the nanometer titanium dioxide is blown into the box body from the material guide pipe through air inlet of the air inlet pipe during material feeding, and the one-way valve arranged on the material guide pipe can prevent the nanometer titanium dioxide from escaping; starting the stirring device and the ultrasonic stirring device to stir the added membrane material and the nano titanium dioxide, so as to ensure uniform stirring; after stirring, opening the discharge port, allowing the material to fall from the discharge port, filtering the material by a filter plate, and allowing the material to flow out of the filter holes and enter the bottom of the box body; and finally, opening a discharge port and taking out the prepared nano material. When in use, the nano material is sprayed on leather and textiles and dried.
Example 2
A nanometer material for removing formaldehyde and sterilizing for leather and textiles comprises nanometer titanium dioxide wrapped by a membrane material; the weight of the membrane material is 0.09 times of that of the nano titanium dioxide; the membrane material comprises chitosan.
The preparation method of the nano titanium dioxide comprises the following steps: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage-type polysilsesquioxane, heating and stirring, filtering to obtain gel, oven drying, and pulverizing.
The film material also comprises polyacrylate, and the weight of the polyacrylate is 0.09 times of that of the titanium dioxide.
The film material also comprises nano calcium carbonate, and the weight of the nano calcium carbonate is 0.2 time of that of the titanium dioxide; sodium lignosulphonate is added for modification when the nano sodium carbonate is prepared.
A method for preparing a nano material for removing formaldehyde and sterilizing for leather and textiles comprises the following steps:
s1, preparing nano titanium dioxide: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage type polysilsesquioxane, heating and stirring, filtering to obtain a gel, drying, and crushing to obtain the product;
s2, preparing a membrane material: adding chitosan into water, adding a little diluted acid, stirring to dissolve, adding polyacrylate, stirring, adding nano calcium carbonate, and stirring uniformly to obtain the product;
s3, adding the membrane material of S2 into a preparation device, then adding the nano titanium dioxide of S1 into the preparation device, and ultrasonically stirring for 70min to obtain the titanium dioxide nano-composite material.
The heating temperature in S1 was 75 ℃ and the baking temperature was 142 ℃.
The nano titanium dioxide is added into the preparation device for 2 times, and the first addition is 0.3 time of the weight of the nano titanium dioxide.
The manufacturing apparatus was the same as that of example 1.
Example 3
A nanometer material for removing formaldehyde and sterilizing for leather and textiles comprises nanometer titanium dioxide wrapped by a membrane material; the weight of the membrane material is 0.12 times of the weight of the nano titanium dioxide; the membrane material comprises chitosan.
The preparation method of the nano titanium dioxide comprises the following steps: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage-type polysilsesquioxane, heating and stirring, filtering to obtain gel, oven drying, and pulverizing.
The film material also comprises polyacrylate, and the weight of the polyacrylate is 0.1 time of that of the titanium dioxide.
The film material also comprises nano calcium carbonate, and the weight of the nano calcium carbonate is 0.4 times of that of the titanium dioxide; sodium lignosulphonate is added for modification when the nano sodium carbonate is prepared.
A method for preparing a nano material for removing formaldehyde and sterilizing for leather and textiles comprises the following steps:
s1, preparing nano titanium dioxide: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage type polysilsesquioxane, heating and stirring, filtering to obtain a gel, drying, and crushing to obtain the product;
s2, preparing a membrane material: adding chitosan into water, adding a little diluted acid, stirring to dissolve, adding polyacrylate, stirring, adding nano calcium carbonate, and stirring uniformly to obtain the product;
s3, adding the membrane material of S2 into a preparation device, then adding the nano titanium dioxide of S1 into the preparation device, and ultrasonically stirring for 90min to obtain the titanium dioxide nano-composite material.
The heating temperature in S1 is 80 ℃, and the drying temperature is 150 ℃.
The nano titanium dioxide is added into the preparation device for 3 times, and the first addition is 0.4 time of the weight of the nano titanium dioxide.
The manufacturing apparatus was the same as that of example 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising" is used to specify the presence of stated elements, but not to preclude the presence or addition of additional like elements in a process, method, article, or apparatus that comprises the stated elements.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A nanometer material for removing formaldehyde and sterilizing for leather and textiles is characterized by comprising nanometer titanium dioxide, wherein the nanometer titanium dioxide is wrapped by a membrane material; the weight of the membrane material is 0.05-0.12 times of the weight of the nano titanium dioxide; the membrane material comprises chitosan.
2. The nano material for removing formaldehyde and sterilizing for leather and textiles as claimed in claim 1, wherein the preparation method of the nano titanium dioxide comprises the following steps: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage type polysilsesquioxane, heating and stirring, filtering to obtain gel, drying, and pulverizing.
3. The nanomaterial for formaldehyde removal and sterilization of leather and textiles according to claim 2, wherein the membrane material further comprises polyacrylate, and the weight of the polyacrylate is 0.08-0.1 times of the weight of the titanium dioxide.
4. The nano material for removing formaldehyde and sterilizing for leather and textiles as claimed in claim 3, wherein the membrane material further comprises nano calcium carbonate, and the weight of the nano calcium carbonate is 0.02-0.4 times of that of the titanium dioxide; sodium lignosulphonate is added for modification during the preparation of the nano sodium carbonate.
5. The method for preparing the nano-materials for removing formaldehyde and sterilizing the leather and the textiles according to any one of claims 1 to 4, which is characterized by comprising the following steps:
s1, preparing nano titanium dioxide: adding tetrabutyl titanate into ethylene glycol solution, stirring, adding cage type polysilsesquioxane, heating and stirring, filtering to obtain a gel, drying, and crushing to obtain the product;
s2, preparing a membrane material: adding chitosan into water, adding a little diluted acid, stirring to dissolve, adding polyacrylate, stirring, adding nano calcium carbonate, and stirring uniformly to obtain the product;
s3, adding the membrane material of S2 into a preparation device, then adding the nano titanium dioxide of S1 into the preparation device, and ultrasonically stirring for 30-90min to obtain the titanium dioxide nano-tube.
6. The method as claimed in claim 1, wherein the heating temperature in S1 is 60-80 ℃, and the drying temperature is 130-150 ℃.
7. The method for preparing the nano material for removing formaldehyde and sterilizing the leather and the textile as claimed in claim 6, wherein the nano titanium dioxide is added into the preparation device 2 to 3 times, and the first addition is 0.2 to 0.4 times of the weight of the nano titanium dioxide.
8. The method for preparing the nano material for removing formaldehyde and sterilizing the leather and the textile as claimed in claim 1, wherein the preparation device comprises a box body (1), a first feeding port (11) and a second feeding port (12) are arranged at the top of the box body (1), and a discharge port (13) is arranged at the bottom of the box body (1); a partition plate (14) is arranged in the box body (1), and a discharge hole (15) is formed in the partition plate (14); a stirring device (3) is further arranged on the side face of the box body (1), a stirring rod (31) is arranged on the stirring device (3), and a stirring blade (32) is arranged on the stirring rod (31); the stirring rod (31) is arranged above the clapboard (14); an ultrasonic stirring device (4) is arranged at the top of the box body (1), and an amplitude transformer (41) extending into the box body (1) is arranged on the ultrasonic stirring device (4).
9. The method for preparing the nano material for removing formaldehyde and sterilizing the leather and the textile according to the claim 8 is characterized in that a filter plate (16) is arranged in the box body (1), and the filter plate (16) is provided with filter holes (17); the filter plate (16) is arranged below the partition plate (14).
10. The method for preparing the nano material for removing formaldehyde and sterilizing the leather and the textile as claimed in claim 8, wherein a material guiding pipe (2) is arranged in the second feeding port (12), the material guiding pipe (2) extends into the box body (1), a hole (21) is arranged at the bottom end of the material guiding pipe (2), and a one-way valve (22) is arranged on the material guiding pipe (2); an air inlet pipe (23) is arranged below the one-way valve (22); the check valve (22) and the air inlet pipe (23) are arranged on the outer side of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110777241.7A CN113445303A (en) | 2021-07-09 | 2021-07-09 | Nano material for removing formaldehyde and sterilizing for leather and textiles and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110777241.7A CN113445303A (en) | 2021-07-09 | 2021-07-09 | Nano material for removing formaldehyde and sterilizing for leather and textiles and preparation method thereof |
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| CN113445303A true CN113445303A (en) | 2021-09-28 |
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Application publication date: 20210928 |