CN107858827A - A kind of preparation method of antibacterial haze screen material - Google Patents
A kind of preparation method of antibacterial haze screen material Download PDFInfo
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- CN107858827A CN107858827A CN201711161815.8A CN201711161815A CN107858827A CN 107858827 A CN107858827 A CN 107858827A CN 201711161815 A CN201711161815 A CN 201711161815A CN 107858827 A CN107858827 A CN 107858827A
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- 239000000463 material Substances 0.000 title claims abstract description 30
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229920001661 Chitosan Polymers 0.000 claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 38
- 241001290610 Abildgaardia Species 0.000 claims abstract description 31
- 238000009835 boiling Methods 0.000 claims abstract description 29
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 21
- 230000004048 modification Effects 0.000 claims abstract description 16
- 238000012986 modification Methods 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 15
- 238000009960 carding Methods 0.000 claims abstract description 8
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 24
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 14
- 238000007731 hot pressing Methods 0.000 claims description 12
- 238000007654 immersion Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 11
- 235000019441 ethanol Nutrition 0.000 claims description 10
- 125000005909 ethyl alcohol group Chemical group 0.000 claims description 10
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 9
- 238000000502 dialysis Methods 0.000 claims description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 8
- 239000004115 Sodium Silicate Substances 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 241000722731 Carex Species 0.000 claims description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 6
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000004108 freeze drying Methods 0.000 claims description 5
- 210000001520 comb Anatomy 0.000 claims description 4
- 229920000137 polyphosphoric acid Polymers 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000029087 digestion Effects 0.000 claims description 2
- 150000004676 glycans Chemical class 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 238000000527 sonication Methods 0.000 claims description 2
- 238000000859 sublimation Methods 0.000 claims description 2
- 230000008022 sublimation Effects 0.000 claims description 2
- 238000010348 incorporation Methods 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 6
- 229910000077 silane Inorganic materials 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 238000007598 dipping method Methods 0.000 abstract description 2
- 230000001408 fungistatic effect Effects 0.000 abstract description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 13
- 239000004408 titanium dioxide Substances 0.000 description 6
- 238000002604 ultrasonography Methods 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 241000255925 Diptera Species 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 210000000170 cell membrane Anatomy 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- -1 amino cation Chemical class 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000003834 intracellular effect Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 241000222122 Candida albicans Species 0.000 description 1
- 241000256113 Culicidae Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- 206010041349 Somnolence Diseases 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000012550 audit Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940095731 candida albicans Drugs 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006196 deacetylation Effects 0.000 description 1
- 238000003381 deacetylation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010189 intracellular transport Effects 0.000 description 1
- 150000002555 kaempferol Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000019830 sodium polyphosphate Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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 Table; Titanates; Zirconates; Stannates; Plumbates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of preparation method of antibacterial haze screen material, belong to screen window preparing technical field.The present invention is raw material through acidleach using sedge,Soda boiling under condition of water bath heating,It is filtrated to get soda boiling fiber,By chitosan acidifying with acetic acid,After epoxychloropropane heating response,By meyer sedge fiber,Modification of chitosan,Silane coupler mixing, which is placed in comb in carding machine, obtains cotton yarn,The repressed shaping of cotton yarn,Dipping process,It is dried to obtain antibacterial haze screen material,Diffusion electric double layer is formed because surface will adsorb opposite electric charge with electric charge,When particle is closer to each other,Repel each other because of each tool same sex electric charge,Make finely ground particles when passing through cotton yarn because electrostatic effect is firmly adsorbed in the hole of cotton yarn,Glycidyl is grafted on the amino of chitosan in acid condition,Obtain modification of chitosan,Its antibacterial activity will be higher,Suppress the growth of bacterium,So that screen material has preferable fungistatic effect,Have a extensive future.
Description
Technical field
The invention discloses a kind of preparation method of antibacterial haze screen material, belong to screen window preparing technical field.
Background technology
Screen window is to block the netted centre of mosquitos and flies worm into the porose net of grid.Sliding sash with disappearing screen window（Rolling screen window）It is to compare on the market
More popular screen window, general sliding sash with disappearing screen window can voluntarily adjust yarn box inner spring strength, and some yarn boxes can remove reinforcing and subtract power, have
Can also remove floating dust automatically.Summer, mosquito allow people to have a headache endlessly, as long as there is a mosquito to stay at home, a whole night, you were with regard to other
Sleepy sound sleep.In addition to the trick of mosquito-repellent incense, floral water etc. " mending the fold after the sheep is lost ", it is mosquito-proof main that screen window is that everybody is used for
Means.Present screen window also more styles more than the former fixation screen window, have gone out sliding sash with disappearing screen window rolling screen window and folding
Screen window etc., no longer arduously screen window is torn open as before and pulled down.But also someone shows special preference to old-fashioned screen window, recognizes
To be sturdy and durable.
A few days ago, professional investigation mechanism InsightCN has carried out relevant screen window by its network surveying platform to 1000 people
Investigation.Investigation result shows that the people for having 86.7% uses screen window, and receives in 1000 people of investigation, and 88.4% stays in less than 10 buildings,
It can be seen that screen window is inseparable with the relation of floor.And wherein, the family for still having 34.1% uses old-fashioned fixation screen window.No
Cross, there is nearly half surveyee to intend to renew screen window, interior replacing in recent years, only one one-tenth of tune are intended by the family for separately having 42.2%
The person of looking into did not accounted for exchange screen window, it is seen then that the market potential of screen window is very big, and on the other hand it can also be seen that, screen window uses the longevity
Life is not grown, and many families need to regularly replace, and the levels of audit quality of product is uneven.
With the development of industrial technology so that atmosphere pollution is increasingly severe, under the air quality of people's life is also serious
Drop, had a strong impact on so as to which the life of people also receives, the especially appearance of haze weather.And suspended particulate substance is not in air
Disconnected increase is arch-criminal that haze weather occurs.On the basis of air quality can't be improved quickly, room air is improved
Quality becomes particularly necessary.And the exchange of indoor and outdoor air will be realized by window, set for some indoor purification of air
It is standby, can not solve the purifying problem of air from source, it is difficult to meet the needs of most of users.Present screen window is also universal
The defects of hole is also easy to produce bacterium be present, certain injury is caused to the health of people.Therefore, invention one kind can either prevent mist
The screen material that haze has fungistatic effect again has positive effect to screen window preparing technical field.
The content of the invention
Present invention mainly solves technical problem, for screen material under haze weather easily through finely ground particles, yarn
A kind of the defects of fenestra gap easy breed bacteria, there is provided preparation method of antibacterial haze screen material.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of preparation method of antibacterial haze screen material, it is characterised in that specifically preparation process is：
（1）Take 100~120g sedges to be put into 400~450mL sulfuric acid solutions to soak, take out the sedge of acidleach processing, will
The sedge of acidleach processing is placed in water-bath, heat temperature raising, 100~120mL sodium hydroxide solutions, 50 is added into water-bath
~60mL polyphosphoric acids sodium solution, 30~40mL sodium silicate solutions, after boiling, filtering, remove filtrate and obtain soda boiling fiber；
（2）By above-mentioned soda boiling fiber with after 150~180mL salt acid soaks, the soda boiling fiber after immersion is taken out, is put into ultrasonic machine
After supersound process, rinsed, be placed in baking oven with water, heat temperature raising, dried, obtain meyer sedge fiber；
（3）Count in parts by weight, take 15~20 parts of chitosans to be dissolved in 30~40 parts of acetums, after stirring, obtain being acidified shell
Glycan solution, 5~8 parts of epoxychloropropane are added into acidified chitosan solution, heat temperature raising, reaction, obtain reaction product；
（4）Above-mentioned reaction product is dialysed with distilled water, the reaction product after being dialysed, the reaction product after dialysis is placed in
In Rotary Evaporators, revolving, obtain rotating product, freeze-drying obtains modification of chitosan；
（5）60~70mL absolute ethyl alcohols are placed in the three-necked flask with agitator and dropping funel, with dropping funel to three
18~20mL butyl titanates are added in mouth flask, while start agitator, start to stir, after butyl titanate is added dropwise
4~6mL triethanolamines are added into three-necked flask to be stirred, and obtain uniform solution, 1~2mL water, 8~10mL is anhydrous
Ethanol, the mixed in hydrochloric acid that 2~4mL mass fractions are 20%, pour into above-mentioned three-necked flask, continue to be stirred, then stand old
Change, obtain TiO 2 sol；
（6）Count in parts by weight, by 60~70 parts of meyer sedge fibers, 20~30 parts of modification of chitosan, 5~7 parts of KH-550 silane
Coupling agent mixes, and is put into carding machine and combs, obtain web, web is put into thermocompression forming in hot press, obtains being molded cotton yarn,
Shaping cotton yarn is put into after being soaked in 70~80 parts of TiO 2 sols, taking-up is put into baking oven, is dried, is obtained antibacterial haze
Screen material.
Step（1）The mass fraction of described sulfuric acid solution is 30%, and it is 50~55 DEG C to control soaking temperature, immersion treatment
Time is 1~2h, and temperature is 90~100 DEG C after heat temperature raising, and the mass fraction of sodium hydroxide solution is 40%, sodium polyphosphate
The mass fraction of solution is 4%, and the mass fraction of sodium silicate solution is 6%, and digestion time is 2~3h.
Step（2）The mass fraction of described hydrochloric acid is 10%, and hydrochloric acid soak time is 8~10min, supersonic frequency 25
~30kHz, sonication treatment time are 10~15min, and temperature is 100~110 DEG C after heat temperature raising, and drying time is 10~12h.
Step（3）The mass fraction of described acetum is 2%, and mixing time be 30~35min, warm after heat temperature raising
Spend for 60~65 DEG C, the reaction time is 20~24h.
Step（4）The described molecular cut off that controls is 8000~10000D, and revolving rotating speed is 80~90r/min, revolving
Time is 20~25min, and freeze-drying temperature is -30~-20 DEG C, and sublimation drying is 30~35min.
Step（5）The drop rate of described dropping funel is 2~3mL/min, and agitator speed is 200~300r/
Min, it is 1~2h to be stirred the time, and the mass fraction of hydrochloric acid is 20%, and it is 2~3h to continue to be stirred the time, still aging
Time is 20~24h.
Step（6）Described obtained web thickness is 2~3mm, and it is 150~160 DEG C to control hot pressing temperature, hot pressing pressure
For 1.2~1.4MPa, soak time is 45~50min, and baking oven design temperature is 70~75 DEG C, and drying time is 9~10h.
The beneficial effects of the invention are as follows：
（1）The present invention using sedge as raw material through soda boiling under acidleach, condition of water bath heating, be filtrated to get soda boiling fiber, by soda boiling
Fiber salt acid soak is neutralized, is ultrasonically treated, washing is dried to obtain meyer sedge fiber, by chitosan acidifying with acetic acid, with epoxy
After chloropropane heating response, dialyse, rotate through distilled water, being freeze-dried and obtain modification of chitosan, with absolute ethyl alcohol, the fourth of metatitanic acid four
Ester blending acidifying obtains TiO 2 sol, and meyer sedge fiber, modification of chitosan, silane coupler are mixed and be placed in carding machine
Combing obtains cotton yarn, the repressed shaping of cotton yarn, dipping process, is dried to obtain antibacterial haze screen material, meyer sedge fiber system
After cotton yarn immersion titanium dioxide is obtained, titanium dioxide granule is in the medium of liquid, especially polarity, because surface carries electric charge
Opposite electric charge will be adsorbed and form diffusion electric double layer, make the increase of particle effective diameter, when particle is closer to each other, because of each tool
Same sex electric charge and repel each other, be advantageous to the stabilization of dispersion, the negatively charged titanium dioxide that can make as coating film of fiber surface
Positively charged so that finely ground particles when passing through cotton yarn because electrostatic effect is firmly adsorbed in the hole of cotton yarn, make yarn
Window prevents haze weather from being damaged to indoor human body health；
（2）Glycidyl is grafted on the amino of chitosan by the present invention in acid condition, obtains modification of chitosan, modified
Chitosan deacetylation improve, its antibacterial activity will be higher, and the increase of amino amount increases the positive charge of chitosan, from
And the contact with bacterium negative electricity cell space is improved, its growth is disturbed, chitosan makes the cell membrane of bacterium first divide from cell membrane in addition
From, then cell membrane is destroyed, cause enzyme and the nucleic acid leakage of intracellular, while the amino cation in chitosan acid solution, greatly
The chitosan of molecular weight is combined with bacterial cell, and destroying membrane structure causes potassium ion and ATP infiltration, suppresses the life of bacterium
It is long, contain kaempferol class material cyanidenon in sedge, may act on bacteria cell wall and plasmalemma, make its structure
Change, make cell wall rupture or missing, for the tolerant outflow of intracellular so as to influence the permeability of film, cavity, structure occurs in cell
It is destroyed with function, prevents nutriment from cell plasmolysis, causing content to leak to intracellular transport and make bacterium dead
Die, titanium dioxide glued membrane is also easy to produce negative oxygen ion purification air under photocatalysis, so that screen material is with preferably antibacterial
Effect, have a extensive future.
Embodiment
Take 100~120g sedges to be put into the sulfuric acid solution that 400~450mL mass fractions are 30% to soak, control immersion
Temperature is 50~55 DEG C, and the immersion treatment time is 1~2h, takes out the sedge of acidleach processing, and the sedge that acidleach is handled is put
In water-bath, 90~100 DEG C are heated to, the hydroxide that 100~120mL mass fractions are 40% is added into water-bath
The sodium silicate solution that polyphosphoric acids sodium solution that sodium solution, 50~60mL mass fractions are 4%, 30~40mL mass fractions are 6%,
After 2~3h of boiling, filtering, remove filtrate and obtain soda boiling fiber；By above-mentioned soda boiling fiber with 150~180mL mass fractions be 10%
8~10min of salt acid soak after, take out immersion after soda boiling fiber, be put into ultrasonic machine at 25~30kHz frequency ultrasound
After managing 10~15min, rinsed, be placed in baking oven with water, be heated to 100~110 DEG C, dried 10~12h, obtain sedge
Fiber；Count in parts by weight, take 15~20 parts of chitosans to be dissolved in the acetum that 30~40 parts of mass fractions are 2%, stirring 30
After~35min, acidified chitosan solution is obtained, 5~8 parts of epoxychloropropane, heat temperature raising are added into acidified chitosan solution
To 60~65 DEG C, 20~24h is reacted, obtains reaction product；Above-mentioned reaction product is dialysed with distilled water, controls molecular cut off
For 8000~10000D, the reaction product after being dialysed, the reaction product after dialysis is placed in Rotary Evaporators, with 80~
90r/min rotating speeds rotate 20~25min, obtain rotating product, and 30~35min is freeze-dried at -30~-20 DEG C and is modified
Chitosan；60~70mL absolute ethyl alcohols are placed in the three-necked flask with agitator and dropping funel, with dropping funel with 2~
3mL/min drop rate adds 18~20mL butyl titanates into three-necked flask, while starts agitator, with 200~
300r/min rotating speed starts to stir, and treats that butyl titanate is added dropwise addition 4~6mL triethanolamines in backward three-necked flask and stirred
1~2h of mixing is mixed, obtains uniform solution, by 1~2mL water, 8~10mL absolute ethyl alcohols, the salt that 2~4mL mass fractions are 20%
Acid mixing, pours into above-mentioned three-necked flask, continues to be stirred 2~3h, then still aging 20~24h, it is molten to obtain titanium dioxide
Glue；Count in parts by weight, 60~70 parts of meyer sedge fibers, 20~30 parts of modification of chitosan, 5~7 parts of KH-550 are silane coupled
Agent mixes, and is put into carding machine and combs, and obtains the web that thickness is 2~3mm, web is put into thermocompression forming in hot press, control
Hot pressing temperature processed is 150~160 DEG C, and hot pressing pressure be 1.2~1.4MPa, obtains being molded cotton yarn, will be molded cotton yarn be put into 70~
After soaking 45~50min in 80 parts of TiO 2 sols, take out and be put into the baking oven that design temperature is 70~75 DEG C, dry 9~
10h, obtain antibacterial haze screen material.
Example 1
Take 100g sedges to be put into the sulfuric acid solution that 400mL mass fractions are 30% to soak, it is 50 DEG C to control soaking temperature, leaching
Bubble processing time is 1h, takes out the sedge of acidleach processing, and the sedge that acidleach is handled is placed in water-bath, is heated to
90 DEG C, into water-bath add 100mL mass fractions be 40% sodium hydroxide solution, 50mL mass fractions be 4% poly phosphorus
Acid sodium solution, the sodium silicate solution that 30mL mass fractions are 6%, after boiling 2h, filtering, remove filtrate and obtain soda boiling fiber；Will be upper
After stating the salt acid soak 8min that soda boiling fiber 150mL mass fractions are 10%, the soda boiling fiber after immersion is taken out, is put into ultrasound
After handling 10min in machine with 25kHz frequency ultrasound, rinsed, be placed in baking oven with water, be heated to 100 DEG C, dry 10h,
Obtain meyer sedge fiber；Count in parts by weight, take 15 parts of chitosans to be dissolved in the acetum that 30 parts of mass fractions are 2%, stirring
After 30min, acidified chitosan solution is obtained, 5 parts of epoxychloropropane are added into acidified chitosan solution, are heated to 60
DEG C, 20h is reacted, obtains reaction product；Above-mentioned reaction product is dialysed with distilled water, it is 8000D to control molecular cut off, is obtained
Reaction product after dialysis, the reaction product after dialysis is placed in Rotary Evaporators, 20min is rotated with 80r/min rotating speeds, obtained
To revolving product, freeze-drying 30min obtains modification of chitosan at -30 DEG C；60mL absolute ethyl alcohols are placed in agitator
In the three-necked flask of dropping funel, 18mL metatitanic acids are added into three-necked flask with 2mL/min drop rate with dropping funel
Four butyl esters, while start agitator, start to stir with 200r/min rotating speed, treat that backward three mouthfuls of burnings are added dropwise in butyl titanate
4mL triethanolamines are added in bottle and are stirred 1h, uniform solution are obtained, by 1mL water, 8mL absolute ethyl alcohols, 2mL mass fractions
For 20% mixed in hydrochloric acid, pour into above-mentioned three-necked flask, continue to be stirred 2h, then still aging 20h, obtain titanium dioxide
Colloidal sol；Count in parts by weight, 60 parts of meyer sedge fibers, 20 parts of modification of chitosan, 5 parts of KH-550 silane couplers are mixed, put
Enter in carding machine and comb, obtain the web that thickness is 2mm, web is put into thermocompression forming in hot press, controls the hot pressing temperature to be
150 DEG C, hot pressing pressure 1.2MPa, obtain being molded cotton yarn, shaping cotton yarn is put into 70 parts of TiO 2 sols and soaks 45min
Afterwards, take out and be put into the baking oven that design temperature is 70 DEG C, dry 9h, obtain antibacterial haze screen material.
Example 2
Take 110g sedges to be put into the sulfuric acid solution that 420mL mass fractions are 30% to soak, it is 52 DEG C to control soaking temperature, leaching
Bubble processing time is 1.5h, takes out the sedge of acidleach processing, the sedge that acidleach is handled is placed in water-bath, heat temperature raising
To 95 DEG C, into water-bath add 110mL mass fractions be 40% sodium hydroxide solution, 55mL mass fractions be 4% poly
Sodium radio-phosphate,P-32 solution, the sodium silicate solution that 35mL mass fractions are 6%, after boiling 2.5h, filtering, remove filtrate and obtain soda boiling fiber；
After the salt acid soak 9min for being 10% with 165mL mass fractions by above-mentioned soda boiling fiber, the soda boiling fiber after immersion is taken out, is put into
After handling 12min in ultrasonic machine with 27kHz frequency ultrasound, rinsed, be placed in baking oven with water, be heated to 105 DEG C, dried
11h, obtain meyer sedge fiber；Count in parts by weight, take 17 parts of chitosans to be dissolved in the acetum that 35 parts of mass fractions are 2%,
After stirring 32min, acidified chitosan solution is obtained, 7 parts of epoxychloropropane are added into acidified chitosan solution, are heated to
62 DEG C, 22h is reacted, obtains reaction product；Above-mentioned reaction product is dialysed with distilled water, it is 9000D to control molecular cut off, is obtained
Reaction product after to dialysis, the reaction product after dialysis is placed in Rotary Evaporators, 22min is rotated with 85r/min rotating speeds,
Obtain rotating product, 32min is freeze-dried at -25 DEG C and obtains modification of chitosan；65mL absolute ethyl alcohols are placed in stirring
In the three-necked flask of device and dropping funel, 19mL titaniums are added into three-necked flask with 2mL/min drop rate with dropping funel
Sour four butyl esters, while start agitator, start to stir with 250r/min rotating speed, treat that butyl titanate is added dropwise backward three mouthfuls
5mL triethanolamines are added in flask and are stirred 1.5h, uniform solution are obtained, by 2mL water, 9mL absolute ethyl alcohols, 3mL mass
Fraction is 20% mixed in hydrochloric acid, pours into above-mentioned three-necked flask, continues to be stirred 2.5h, then still aging 22h, obtain two
Titanium oxide sol；Count in parts by weight, 65 parts of meyer sedge fibers, 25 parts of modification of chitosan, 6 parts of KH-550 silane couplers are mixed
Close, be put into carding machine and comb, obtain the web that thickness is 2mm, web is put into thermocompression forming in hot press, controls hot pressing temperature
Spend for 155 DEG C, hot pressing pressure 1.3MPa, obtain being molded cotton yarn, shaping cotton yarn is put into 75 parts of TiO 2 sols and soaked
After 47min, take out and be put into the baking oven that design temperature is 72 DEG C, dry 9.5h, obtain antibacterial haze screen material.
Example 3
Take 120g sedges to be put into the sulfuric acid solution that 450mL mass fractions are 30% to soak, it is 55 DEG C to control soaking temperature, leaching
Bubble processing time is 2h, takes out the sedge of acidleach processing, and the sedge that acidleach is handled is placed in water-bath, is heated to
100 DEG C, into water-bath add 120mL mass fractions be 40% sodium hydroxide solution, 60mL mass fractions be 4% poly phosphorus
Acid sodium solution, the sodium silicate solution that 40mL mass fractions are 6%, after boiling 3h, filtering, remove filtrate and obtain soda boiling fiber；Will be upper
After stating the salt acid soak 10min that soda boiling fiber 180mL mass fractions are 10%, the soda boiling fiber after immersion is taken out, is put into ultrasound
After handling 15min in machine with 30kHz frequency ultrasound, rinsed, be placed in baking oven with water, be heated to 110 DEG C, dry 12h,
Obtain meyer sedge fiber；Count in parts by weight, take 20 parts of chitosans to be dissolved in the acetum that 40 parts of mass fractions are 2%, stirring
After 35min, acidified chitosan solution is obtained, 8 parts of epoxychloropropane are added into acidified chitosan solution, are heated to 65
DEG C, 24h is reacted, obtains reaction product；Above-mentioned reaction product is dialysed with distilled water, it is 10000D to control molecular cut off, is obtained
Reaction product after to dialysis, the reaction product after dialysis is placed in Rotary Evaporators, 25min is rotated with 90r/min rotating speeds,
Obtain rotating product, 35min is freeze-dried at -20 DEG C and obtains modification of chitosan；70mL absolute ethyl alcohols are placed in stirring
In the three-necked flask of device and dropping funel, 20mL titaniums are added into three-necked flask with 3mL/min drop rate with dropping funel
Sour four butyl esters, while start agitator, start to stir with 300r/min rotating speed, treat that butyl titanate is added dropwise backward three mouthfuls
6mL triethanolamines are added in flask and are stirred 2h, obtain uniform solution, by 2mL water, 10mL absolute ethyl alcohols, 4mL mass point
Number is 20% mixed in hydrochloric acid, pours into above-mentioned three-necked flask, continues to be stirred 3h, then still aging 24h, obtain titanium dioxide
Titanium colloidal sol；Count in parts by weight, 70 parts of meyer sedge fibers, 30 parts of modification of chitosan, 7 parts of KH-550 silane couplers mixed,
It is put into carding machine and combs, obtain the web that thickness is 3mm, web is put into thermocompression forming in hot press, controls hot pressing temperature
For 160 DEG C, hot pressing pressure 1.4MPa, obtain being molded cotton yarn, shaping cotton yarn is put into 80 parts of TiO 2 sols and soaked
After 50min, take out and be put into the baking oven that design temperature is 75 DEG C, dry 10h, obtain antibacterial haze screen material.
Comparative example
With the antibacterial haze screen material of Beijing company production as a comparison case to antibacterial haze yarn produced by the present invention
Antibacterial haze screen material in window material and comparative example carries out performance detection, and testing result is as shown in table 1：
1st, method of testing：
The average bacterium number test of Escherichia coli carries out bacteriostasis property detection by JC/T897-2002 regulation；
The average bacterium number test of staphylococcus aureus carries out bacteriostasis property detection by JC/T897-2002 regulation；
The test of Candida albicans bacteriostasis rate carries out performance detection by GB/T20944.2-2007 regulation；
Haze is tested：In serious haze weather, 6 on the day of:00 enables haze pattern, distinguishes Installation Example 1 to window
~3 and comparative example in screen window, 20 on the day of:00 respectively to being mounted with the interior of the screen window of example 1~3, being mounted with comparative example
The indoor and outdoors of screen window are detected, as a result shown in table 2.
Table 1
Table 2
The good antimicrobial effect of antibacterial haze screen material produced by the present invention is understood according to above-mentioned middle data, reaches 99.99%,
Haze effect is good, and PM2.5 is controlled in 20 μ g/m3Hereinafter, PM10 is in 30 μ g/m3Hereinafter, sulfur dioxide and nitric oxide and smelly
The content of oxygen is obtained for obvious control, has broad application prospects.
Claims (7)
1. a kind of preparation method of antibacterial haze screen material, it is characterised in that specifically preparation process is：
（1）Take 100~120g sedges to be put into 400~450mL sulfuric acid solutions to soak, take out the sedge of acidleach processing, will
The sedge of acidleach processing is placed in water-bath, heat temperature raising, 100~120mL sodium hydroxide solutions, 50 is added into water-bath
~60mL polyphosphoric acids sodium solution, 30~40mL sodium silicate solutions, after boiling, filtering, remove filtrate and obtain soda boiling fiber；
（2）By above-mentioned soda boiling fiber with after 150~180mL salt acid soaks, the soda boiling fiber after immersion is taken out, is put into ultrasonic machine
After supersound process, rinsed, be placed in baking oven with water, heat temperature raising, dried, obtain meyer sedge fiber；
（3）Count in parts by weight, take 15~20 parts of chitosans to be dissolved in 30~40 parts of acetums, after stirring, obtain being acidified shell
Glycan solution, 5~8 parts of epoxychloropropane are added into acidified chitosan solution, heat temperature raising, reaction, obtain reaction product；
（4）Above-mentioned reaction product is dialysed with distilled water, the reaction product after being dialysed, the reaction product after dialysis is placed in
In Rotary Evaporators, revolving, obtain rotating product, freeze-drying obtains modification of chitosan；
（5）60~70mL absolute ethyl alcohols are placed in the three-necked flask with agitator and dropping funel, with dropping funel to three
18~20mL butyl titanates are added in mouth flask, while start agitator, start to stir, after butyl titanate is added dropwise
4~6mL triethanolamines are added into three-necked flask to be stirred, and obtain uniform solution, 1~2mL water, 8~10mL is anhydrous
Ethanol, the mixed in hydrochloric acid that 2~4mL mass fractions are 20%, pour into above-mentioned three-necked flask, continue to be stirred, then stand old
Change, obtain TiO 2 sol；
（6）Count in parts by weight, by 60~70 parts of meyer sedge fibers, 20~30 parts of modification of chitosan, 5~7 parts of KH-550 silane
Coupling agent mixes, and is put into carding machine and combs, obtain web, web is put into thermocompression forming in hot press, obtains being molded cotton yarn,
Shaping cotton yarn is put into after being soaked in 70~80 parts of TiO 2 sols, taking-up is put into baking oven, is dried, is obtained antibacterial haze
Screen material.
A kind of 2. preparation method of antibacterial haze screen material according to claim 1, it is characterised in that：
Step（1）The mass fraction of described sulfuric acid solution is 30%, and it is 50~55 DEG C to control soaking temperature, the immersion treatment time
For 1~2h, temperature is 90~100 DEG C after heat temperature raising, and the mass fraction of sodium hydroxide solution is 40%, polyphosphoric acids sodium solution
Mass fraction be 4%, the mass fraction of sodium silicate solution is 6%, and digestion time is 2~3h.
A kind of 3. preparation method of antibacterial haze screen material according to claim 1, it is characterised in that：
Step（2）The mass fraction of described hydrochloric acid is 10%, and hydrochloric acid soak time be 8~10min, supersonic frequency for 25~
30kHz, sonication treatment time are 10~15min, and temperature is 100~110 DEG C after heat temperature raising, and drying time is 10~12h.
A kind of 4. preparation method of antibacterial haze screen material according to claim 1, it is characterised in that：
Step（3）The mass fraction of described acetum is 2%, and mixing time is 30~35min, and temperature is after heat temperature raising
60~65 DEG C, the reaction time is 20~24h.
A kind of 5. preparation method of antibacterial haze screen material according to claim 1, it is characterised in that：
Step（4）The described molecular cut off that controls is 8000~10000D, and revolving rotating speed is 80~90r/min, rotates the time
For 20~25min, freeze-drying temperature is -30~-20 DEG C, and sublimation drying is 30~35min.
A kind of 6. preparation method of antibacterial haze screen material according to claim 1, it is characterised in that：
Step（5）The drop rate of described dropping funel is 2~3mL/min, and agitator speed is 200~300r/min, is stirred
It is 1~2h to mix incorporation time, and the mass fraction of hydrochloric acid is 20%, and it is 2~3h to continue to be stirred the time, and the still aging time is
20~24h.
A kind of 7. preparation method of antibacterial haze screen material according to claim 1, it is characterised in that：
Step（6）Described obtained web thickness is 2~3mm, and it is 150~160 DEG C to control hot pressing temperature, and hot pressing pressure is
1.2~1.4MPa, soak time are 45~50min, and baking oven design temperature is 70~75 DEG C, and drying time is 9~10h.
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