CN102851967B - Production method for nanofiber - Google Patents
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- CN102851967B CN102851967B CN201210374141.0A CN201210374141A CN102851967B CN 102851967 B CN102851967 B CN 102851967B CN 201210374141 A CN201210374141 A CN 201210374141A CN 102851967 B CN102851967 B CN 102851967B
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- 239000002121 nanofiber Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 16
- 239000008367 deionised water Substances 0.000 claims abstract description 15
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 12
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 11
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000000080 wetting agent Substances 0.000 claims abstract description 9
- 239000013530 defoamer Substances 0.000 claims abstract description 8
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003999 initiator Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 31
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 23
- 239000003973 paint Substances 0.000 claims description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 12
- AAMTXHVZOHPPQR-UHFFFAOYSA-N 2-(hydroxymethyl)prop-2-enoic acid Chemical compound OCC(=C)C(O)=O AAMTXHVZOHPPQR-UHFFFAOYSA-N 0.000 claims description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- -1 polyoxyethylene nonylphenol Polymers 0.000 claims description 7
- 241000272525 Anas platyrhynchos Species 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 239000000839 emulsion Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000009941 weaving Methods 0.000 claims description 6
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 5
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 239000004744 fabric Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002103 nanocoating Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 239000000443 aerosol Substances 0.000 abstract description 2
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- 230000005476 size effect Effects 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 230000005641 tunneling Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 239000002041 carbon nanotube Substances 0.000 description 9
- 229910021393 carbon nanotube Inorganic materials 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 5
- 239000002059 nanofabric Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000001241 arc-discharge method Methods 0.000 description 2
- 238000004523 catalytic cracking Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001523 electrospinning Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 235000002837 Acetobacter xylinum Nutrition 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 241001136169 Komagataeibacter xylinus Species 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a production method for a nanofiber. The production method is divided into two steps: nanocoating production and nanofiber production. The nanocoating consists of hydroxymethyl crylic acid, butyl acrylate, methyl methacrylate, nano-titanium dioxide, emulsifier, deionized water, initiator, film-forming auxiliary, dispersant, wetting agent, leveling agent, defoamer and ammonia. In the nanofiber production, the nanocoating is coated on a yarn at the yarn outlet of a loom, the yarn is then dried in a drying tunnel, and thereby the nanofiber is produced. The nanofiber has the specific surface effect, small-size effect and quantum size effect of nanomaterial and the tunneling effect of macroscopic quantum, a nanofiber fabric can proof water, oil and dirt, and is porous and filmed, and consequently, not only can the air permeate the fabric, but also the fabric is breathable, and can keep out wind, filter superfine particles, block aerosol and resist biological and chemical weapons and poisonous substances.
Description
Technical field
The invention belongs to technical field of textile industry, relate to a kind of manufacture method of nanofiber.
Background technology
Nanofiber refers to that diameter is nanoscale and the larger filamentary material of length comprises that fibre diameter is the superfine fibre of nanometer scale in a broad sense, also comprises nano particle is filled into the fiber that in general fibre, it is carried out modification.
At present, the domestic and international manufacture method for nanofiber can be divided into three major types substantially:
The one, molecular engineering preparation method, reporting at present more is the preparation of single tube or multitube carbon nanotubes, its preparation method mainly contains 3 kinds: arc discharge method, laser ablation method and fixed-bed catalytic cracking process.First two method is because there being variform carbon product to coexist, so separated, purification ratio is more difficult.Arc discharge method is placed in graphite rod in the container that is full of hydrogen, with high pressure arc discharge, in cathodic deposition, becomes CNT (carbon nano-tube).Fixed-bed catalytic cracking process prepares CNT (carbon nano-tube) by natural gas, and gas useful catalyst having activated on distribution grid is blown out to fluidized state, at catalyst surface, grows CNT (carbon nano-tube).This method simple process, cost is low, and CNT (carbon nano-tube) scale is easy to control, and length is large, and yield is higher, but in the method, catalyst can only be with the formal expansion of film.
The 2nd, spin processes preparation method, this method can be divided into again polymeric spray electrostatic stretch spin processes, fabric of island-in-sea type multicomponent spinning method and the single screw rod method of polyblending.
The 3rd, biological preparation method, this method is to utilize Bacteria Culture to go out more tiny cellulose.The nano-grade cellulosic that China scientist is synthesized by acetobacter xylinum is not containing lignin, and degree of crystallinity is high, and the degree of polymerization is high, and molecularly oriented is good, has good mechanical performance.
The manufacture method of above three kinds of nanofibers not only manufacturing equipment is expensive, and manufacturing technique is complicated, and production cost is very high.For example, in electrostatic spinning process process, polymer solution or melt to be added to the high-pressure electrostatic of several thousand to several ten thousand volts, spinning electrode to be placed in polymer solution, by the rotation of electrode, polymer solution covers the thin liquid layer of one deck at electrode surface, this system to be placed under high voltage electric field, when applying voltage, be elevated to after critical value, on the liquid layer of electrode surface, just can form a lot of projections, taylor cone in similar syringe needle electrospinning, then the taylor cone in these similar syringe needle electrospinnings is drawn into the jet of a branch of bundle, drop on reception material surface, could form nanofiber mats.In addition, some nano-fabrics on market can not be water-fastness, and some nano-fabrics are through washing the function that just loses nano-fabric after tens times.
Summary of the invention
The manufacture method of a kind of nanofiber of the present invention is that nano paint is coated onto and on general fibre, it is carried out to modification and make it to become nanofiber, and its manufacture method is divided into two steps: the first step is to manufacture nano paint, and second step is to manufacture nanofiber.
Nano paint of the present invention is comprised of methylol acrylic acid, butyl acrylate, methyl methacrylate, nano titanium oxide, emulsifying agent, deionized water, initator, coalescents, dispersant, wetting agent, levelling agent, defoamer and ammoniacal liquor.The percentage by weight that its formula forms is: methylol acrylic acid 5～12%, butyl acrylate 5～20%, methyl methacrylate 3～10%, nano titanium oxide 3～15%, emulsifying agent 0.1～1%, deionized water 45～60%, initator 0.1～0.3%, coalescents 0.1～1%, dispersant 0.1～0.32%, wetting agent 0.1～0.3%, levelling agent 0.1～0.3%, defoamer 0.1～0.3%, ammoniacal liquor 0.01～0.1%, in formula, each constituent content sum is 100%.
The particle diameter of described nano titanium oxide is 1～50nm, described emulsifying agent is a kind of in the middle of polyoxyethylene nonylphenol ether, emulsifier os or two kinds, described coalescents is lauryl alcohol ester, described initator is a kind of in the middle of ammonium persulfate, benzoyl peroxide or two kinds, described dispersant is a kind of in the middle of Sodium Polyacrylate, dispersant DH-6300 or two kinds, described wetting agent is WET25, and described levelling agent is DH-5234, and described defoamer is silicone defoaming agent ST-50.
Specific implementation method
1, the manufacture of nano paint
Remove successively ionized water, emulsifying agent, methylol acrylic acid, butyl acrylate, methyl methacrylate, join in reactor with 1/3 of initator total amount, open the electric stirring slurry of reactor, control mixing speed is 60～80 γ/min, open the electrical heating switch of reactor, the temperature of reactor is risen to 40～50 ℃, material stirring in reactor is become to uniform emulsion, then the temperature of reactor is slowly risen to 60～65 ℃ (controlling heating rate is 2 ℃/min), isothermal reaction 30min at this temperature, again the temperature in reactor is slowly risen to 82～86 ℃, controlling heating rate is 1.5 ℃/min, while starting to occur phegma in reactor, in reactor, slowly drip remaining methylol acrylic acid simultaneously, butyl acrylate, methyl methacrylate and the deionized water (removing 1/3 of ionized water total amount dissolves in ammonium persulfate wherein) that is dissolved with ammonium persulfate, control rate of addition and time for adding (control all materials and drip end in 2hr), after dropping finishes, continue isothermal reaction 30min, then nano titanium dioxide paste liquid is added in reactor and (in advance 1/3 deionized water of nano titanium oxide and dispersant and remainder is stirred into uniform slurries in another one reactor, stirring means is: deionized water is first put into reactor, then in reactor, add dispersant, open the stirring arm of reactor, under stirring, in reactor, slowly add nano titanium oxide, the temperature of controlling reactor is 50～60 ℃, mixing speed is 60～80 γ/min, discharging after constant temperature stirring 60～120min), after continuing to stir 30～60min, the temperature of reactor is risen to 92～94 ℃, open vavuum pump simultaneously, pressure in reactor is controlled to 3 * 10
4pa, constant temperature stirs 30min, to remove the residual monomer in reactor, then cooling (passing into cooling water in the chuck of reactor), when the temperature in question response still is down to room temperature, in reactor, add successively coalescents, wetting agent, levelling agent, defoamer and ammoniacal liquor, the pH value of synthetic emulsion is adjusted to 7～8 dischargings, this material is nano paint.
2, the manufacture of nanofiber
At 1～2 meter of of weaving machine yarns outlet, increasing by two sponges (length of two sponges * wide * height is 80mm * 80mm * 30mm) makes yarn pass from the centre of two sponges, in the middle of the sponge of upper strata, open the duck eye that a diameter is 20mm, nano paint is to drop shape to be continued to splash in the duck eye of upper strata sponge, below lower floor sponge, place a coating recycling bin, for collecting the coating flowing out from lower floor sponge.In addition, 2～3 meters of in weaving machine yarns outlet arrange 2 meters of long drying tunnels, drying tunnel adopts infrared heating, and the temperature of controlling in drying tunnel is 70～90 ℃, and the yarn that scribbles nano paint is passed from drying tunnel, yarn is dried through drying tunnel, nano paint just combines firmly with yarn, has so just produced nanofiber, because water-soluble nano coating of the present invention is dried rear just no longer water-soluble, so this nanofiber can be water-fastness, there is permanent nano effect.
The invention has the beneficial effects as follows: nanofiber has the tunnel-effect of the distinctive skin effect of nano material, small-size effect and quantum size effect and macroscopic quantum, nano fabrics surface, can form the stable gas membrane of one deck, make two thin property interface fabric, both waterproof, again can be grease proofing, antifouling, the senior protective clothing made from this nanofiber, its fabric porous and have film, can not only make air see through, can respiratory but also have, can keep out the wind and filter minuteness particle, aerosol is had to block, can be in case chemical and biological weapons and noxious material.
Embodiment 1,
(1), the manufacture of nano paint
The proportioning of nano paint is: methylol acrylic acid 10%, butyl acrylate 16%, methyl methacrylate 10%, nano titanium oxide 3%, polyoxyethylene nonylphenol ether 0.1%, emulsifier os 0.05%, deionized water 60%, initiator ammonium persulfate 0.3%, coalescents lauryl alcohol ester 0.1%, dispersant Sodium Polyacrylate 0.1%, wetting agent WET25 0.1%, levelling agent DH-5234 0.1%, silicone defoaming agent ST-50 0.1%, ammoniacal liquor 0.05%.
Remove successively ionized water, emulsifying agent, methylol acrylic acid, butyl acrylate, methyl methacrylate, join in reactor with 1/3 of initiator ammonium persulfate total amount, open the electric stirring slurry of reactor, control mixing speed is 80 γ/min, open the electrical heating switch of reactor, the temperature of reactor is risen to 40 ℃, material stirring in reactor is become to uniform emulsion, then the temperature of reactor is slowly risen to 60 ℃ (controlling heating rate is 2 ℃/min), isothermal reaction 30min at this temperature, again the temperature in reactor is slowly risen to 86 ℃, controlling heating rate is 1.5 ℃/min, while starting to occur phegma in reactor, in in still, slowly drip remaining methylol acrylic acid simultaneously, butyl acrylate, methyl methacrylate and the deionized water (removing 1/3 of ionized water total amount dissolves in ammonium persulfate wherein) that is dissolved with ammonium persulfate, control rate of addition and time for adding (control all materials and drip end in 2hr), after dropping finishes, continue isothermal reaction 30min, then nano titanium dioxide paste liquid is added in reactor and (in advance nano titanium oxide and dispersant Sodium Polyacrylate are stirred into uniform slurries with 1/3 remaining deionized water in another one reactor, stirring means is: deionized water is first put into reactor, then in reactor, add dispersant Sodium Polyacrylate, open the stirring arm of reactor, under stirring, in reactor, slowly add nano titanium oxide, the temperature of controlling reactor is 60 ℃, mixing speed is 80 γ/min, discharging after constant temperature stirring 120min), after continuing to stir 60min, the temperature of reactor is risen to 94 ℃, open vavuum pump simultaneously, pressure in reactor is controlled to 3 * 10
4pa, constant temperature stirs 30min, to remove the residual monomer in reactor.Then cooling, when the temperature in question response still is down to room temperature, in reactor, add successively coalescents lauryl alcohol ester, wetting agent, levelling agent, silicone defoaming agent ST-50 and ammoniacal liquor, the pH value of synthetic emulsion is adjusted to 7.5 dischargings, this material is nano paint.
(2), the manufacture of nanofiber
At 1 meter of of weaving machine yarns outlet, increasing by two sponges (length of two sponges * wide * height is 80mm * 80mm * 30mm) makes yarn pass from the centre of two sponges, in the middle of the sponge of upper strata, open the duck eye that a diameter is 20mm, nano paint is to drop shape to be continued to splash in the duck eye of upper strata sponge, below lower floor sponge, place a coating recycling bin, for collecting the coating flowing out from lower floor sponge.In addition, 2 meters of in weaving machine yarns outlet arrange 2 meters of long drying tunnels, drying tunnel adopts infrared heating, the temperature of controlling in drying tunnel is 85 ℃, the yarn that scribbles nano paint is passed from drying tunnel, yarn is dried through drying tunnel, and nano paint just combines firmly with yarn, has so just produced nanofiber.
Claims (3)
1. the manufacture method of a nanofiber, the manufacture method that it is characterized in that nanofiber is that nano paint is coated onto and on general fibre, it is carried out to modification and make it to become nanofiber, its manufacture method is divided into two steps: the first step is to manufacture nano paint, and second step is to manufacture nanofiber;
The percentage by weight that described nano paint formula forms is: methylol acrylic acid 5～12%, butyl acrylate 5～20%, methyl methacrylate 3～10%, nano titanium oxide 3～15%, emulsifying agent 0.1～1%, deionized water 45～60%, initator 0.1～0.3%, coalescents 0.1～1%, dispersant 0.1～0.32%, wetting agent 0.1～0.3%, levelling agent 0.1～0.3%, defoamer 0.1～0.3%, ammoniacal liquor 0.01～0.1%, in formula, each constituent content sum is 100%;
The manufacture method of described nano paint is: remove successively ionized water, emulsifying agent, methylol acrylic acid, butyl acrylate, methyl methacrylate, join in reactor with 1/3 of initiator ammonium persulfate total amount, open the electric stirring oar of reactor, control mixing speed is 60～80r/min, open the electrical heating switch of reactor, the temperature of reactor is risen to 40～50 ℃, material stirring in reactor is become to uniform emulsion, then the temperature of reactor is slowly risen to 60～65 ℃, controlling heating rate is 2 ℃/min, isothermal reaction 30min at this temperature, again the temperature in reactor is slowly risen to 82～86 ℃, controlling heating rate is 1.5 ℃/min, while starting to occur phegma in reactor, in reactor, slowly drip remaining methylol acrylic acid simultaneously, butyl acrylate, methyl methacrylate and the deionized water that is dissolved with ammonium persulfate, control rate of addition and time for adding, control all materials and in 2hr, drip end, after dropping finishes, continue isothermal reaction 30min, then nano titanium dioxide paste liquid is added in reactor, after continuing to stir 30～60min, the temperature of reactor is risen to 92～94 ℃, open vavuum pump simultaneously, pressure in reactor is controlled to 3 * 10
4pa, constant temperature stirs 30min, to remove the residual monomer in reactor, then in the chuck of reactor, pass into cooling water temperature, when the temperature in question response still is down to room temperature, in reactor, add successively coalescents, wetting agent, levelling agent, defoamer and ammoniacal liquor, the pH value of synthetic emulsion is adjusted to 7～8 dischargings, this material is nano paint,
The described compound method that is dissolved with ammonium persulfate deionized water is: remove 1/3 of ionized water total amount ammonium persulfate is dissolved in wherein;
The compound method of described nano titanium dioxide paste liquid is: 1/3 deionized water of nano titanium oxide and dispersant and remainder is stirred into uniform slurries in another one reactor, stirring means is, deionized water is first put into reactor, then in reactor, add dispersant, open the paddle of reactor, under stirring, in reactor, slowly add nano titanium oxide, the temperature of controlling reactor is 50～60 ℃, mixing speed is 60～80r/min, discharging after constant temperature stirring 60～120min.
2. the manufacture method of a kind of nanofiber claimed in claim 1, is characterized in that the manufacture method of nanofiber is:
1～2 meter of in weaving machine yarns outlet increases by two sponges, the length of two sponges * wide * height is 80mm * 80mm * 30mm, yarn is passed from the centre of two sponges, in the middle of the sponge of upper strata, open the duck eye that a diameter is 20mm, nano paint is to drop shape to be continued to splash in the duck eye of upper strata sponge, below lower floor sponge, place a coating recycling bin, for collecting the coating flowing out from lower floor sponge, in addition, 2～3 meters of in weaving machine yarns outlet arrange 2 meters of long drying tunnels, drying tunnel adopts infrared heating, the temperature of controlling in drying tunnel is 70～90 ℃, the yarn that scribbles nano paint is passed from drying tunnel, yarn is dried through drying tunnel, nano paint just combines firmly with yarn, so just produced nanofiber.
3. the manufacture method of a kind of nanofiber claimed in claim 1, the particle diameter that it is characterized in that nano titanium oxide is 1～50nm, emulsifying agent is a kind of in the middle of polyoxyethylene nonylphenol ether, emulsifier os or two kinds, coalescents is lauryl alcohol ester, initator is ammonium persulfate, dispersant is a kind of in the middle of Sodium Polyacrylate, dispersant DH-6300 or two kinds, and levelling agent is DH-5234, and defoamer is silicone defoaming agent ST-50.
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| CN201210374141.0A CN102851967B (en) | 2012-10-07 | 2012-10-07 | Production method for nanofiber |
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| CN102851967B true CN102851967B (en) | 2014-03-12 |
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| CN1730801A (en) * | 2005-09-06 | 2006-02-08 | 上海中大科技发展有限公司 | Nano TiO2 coating adhesive and its preparation method and application |
| CN101613946A (en) * | 2009-07-16 | 2009-12-30 | 上海水星家用纺织品有限公司 | A kind of anti-bacterial fibre and preparation method thereof and the application in home textile product thereof |
| CN101717612A (en) * | 2009-11-05 | 2010-06-02 | 广东风华高新科技股份有限公司 | Water-based adhesive and preparation method and applications thereof |
| CN102516477A (en) * | 2011-11-23 | 2012-06-27 | 华南理工大学 | Nano titanium dioxide/ acrylate composite emulsion and preparation method thereof |
-
2012
- 2012-10-07 CN CN201210374141.0A patent/CN102851967B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730801A (en) * | 2005-09-06 | 2006-02-08 | 上海中大科技发展有限公司 | Nano TiO2 coating adhesive and its preparation method and application |
| CN101613946A (en) * | 2009-07-16 | 2009-12-30 | 上海水星家用纺织品有限公司 | A kind of anti-bacterial fibre and preparation method thereof and the application in home textile product thereof |
| CN101717612A (en) * | 2009-11-05 | 2010-06-02 | 广东风华高新科技股份有限公司 | Water-based adhesive and preparation method and applications thereof |
| CN102516477A (en) * | 2011-11-23 | 2012-06-27 | 华南理工大学 | Nano titanium dioxide/ acrylate composite emulsion and preparation method thereof |
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