CN112878040A - Haze-preventing curtain and preparation method thereof - Google Patents
Haze-preventing curtain and preparation method thereof Download PDFInfo
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- CN112878040A CN112878040A CN202110082464.1A CN202110082464A CN112878040A CN 112878040 A CN112878040 A CN 112878040A CN 202110082464 A CN202110082464 A CN 202110082464A CN 112878040 A CN112878040 A CN 112878040A
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- fiber
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- haze
- fibrilia
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- 238000002360 preparation method Methods 0.000 title claims abstract description 57
- 239000000835 fiber Substances 0.000 claims abstract description 109
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000004744 fabric Substances 0.000 claims abstract description 37
- 239000000017 hydrogel Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- -1 polyethylene terephthalate Polymers 0.000 claims description 30
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 29
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 29
- 238000002791 soaking Methods 0.000 claims description 24
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 19
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 19
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 19
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 19
- 238000009987 spinning Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 18
- 238000004880 explosion Methods 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 239000005543 nano-size silicon particle Substances 0.000 claims description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000003431 cross linking reagent Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 11
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- 229920002678 cellulose Polymers 0.000 claims description 10
- 239000001913 cellulose Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000004043 dyeing Methods 0.000 claims description 10
- 238000004537 pulping Methods 0.000 claims description 10
- 238000009941 weaving Methods 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- 238000005422 blasting Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- KUBWXQUHENSKGC-UHFFFAOYSA-N 2-chloroacetic acid;ethanol Chemical compound CCO.OC(=O)CCl KUBWXQUHENSKGC-UHFFFAOYSA-N 0.000 claims description 5
- 229960000583 acetic acid Drugs 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 5
- 238000009960 carding Methods 0.000 claims description 5
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000003116 impacting effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 5
- OVYTZAASVAZITK-UHFFFAOYSA-M sodium;ethanol;hydroxide Chemical compound [OH-].[Na+].CCO OVYTZAASVAZITK-UHFFFAOYSA-M 0.000 claims description 5
- 230000008961 swelling Effects 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 3
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 3
- 239000003242 anti bacterial agent Substances 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- MMUFAGXJPKNAHT-UHFFFAOYSA-N copper;quinolin-8-ol Chemical compound [Cu].C1=CN=C2C(O)=CC=CC2=C1 MMUFAGXJPKNAHT-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 3
- 230000003449 preventive effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 19
- 239000007787 solid Substances 0.000 abstract description 15
- 238000001179 sorption measurement Methods 0.000 abstract description 10
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract description 2
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000203 mixture Substances 0.000 description 8
- 241000282414 Homo sapiens Species 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000008277 atmospheric particulate matter Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 208000017520 skin disease Diseases 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 208000019693 Lung disease Diseases 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 235000012631 food intake Nutrition 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 208000018556 stomach disease Diseases 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- D06M11/68—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/70—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
- D06M11/71—Salts of phosphoric acids
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H23/00—Curtains; Draperies
- A47H23/02—Shapes of curtains; Selection of particular materials for curtains
- A47H23/08—Selection of particular materials
-
- 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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/11—Compounds containing epoxy groups or precursors 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/372—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen containing etherified or esterified hydroxy groups ; Polyethers of low molecular weight
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- D—TEXTILES; PAPER
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/503—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms without bond between a carbon atom and a metal or a boron, silicon, selenium or tellurium atom
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
- D06M15/09—Cellulose ethers
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- 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
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- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses an anti-haze curtain and a preparation method thereof. The fiber distribution increases the length-width ratio and the porosity of the fibrilia, increases the adsorption capacity of the fibrilia on solid particles in the atmosphere, increases the surface area of the fluff, and provides a place for the retention of the solid particles; when the tiny particles are close to a charged object, the static induction enables the different-sign charges to attract each other under the action of static force, and the small particles are adsorbed on the charged object, so that the adsorption and interception of the fabric on solid particles in the atmosphere are realized; nanometer silica is by the cladding inside the aquogel, and when sunlight was strong, can the scattering sunshine, reduce the percent of pass of sunshine, effectively reduce indoor temperature, when having the adsorption effect to the atmosphere solid particle, can be with the static cladding inside the (window) curtain, block that electrostatic force from arousing danger to the surface of inflammables is used to nanometer hydrogel can not influence the practicality of (window) curtain.
Description
Technical Field
The invention relates to the technical field of haze prevention fabrics, in particular to a haze prevention curtain and a preparation method thereof.
Background
In recent years, with the acceleration of the industrialization level and the progress of the scientific level, the living standard of human beings is improved, and the air pollution is more and more serious. Atmospheric particulate matter in the air can enter the body through the ways of respiratory system inhalation, food intake, skin contact and the like, and great threat is caused to the body health. The main components of the atmospheric particulate matter include the following three types: inorganic organic matters and living matters, heavy metals, sulfate, nitrate, polycyclic aromatic hydrocarbon and other substances which have toxic action on human bodies are carried in the organic matters, and the metabolic substances can bring certain damage to respiratory systems, digestive systems and cardiovascular and cerebrovascular systems of the human bodies after entering the human bodies, thereby increasing the risks of people suffering from lung diseases, stomach diseases and skin diseases. The existence of particulate matter in the atmosphere also can bring certain influence to atmospheric environment, and the solid tiny particle can long distance migration, and dwell time is long, and long-time contact can increase the risk of suffering from the skin disease. At present, many areas in China are suffering from haze, and the PM2.5 exceeds the standard for many times, so that the seriously polluted atmosphere directly influences the life of human beings, and meanwhile, the very physical health of the human beings is greatly threatened.
At present, daily necessities such as curtains and fabrics can also be prepared to have a blocking effect on haze, most of the daily necessities are electrostatic adsorption, but in hot and dry summer, static can bring certain danger, so that the preparation of the haze-preventing curtain capable of effectively avoiding the danger of static while preventing haze is necessary.
Disclosure of Invention
The invention aims to provide an anti-haze curtain to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the haze-preventing curtain comprises the following raw materials in parts by weight:
30-40 parts of modified fiber and 5-10 parts of conditioner.
Preferably, the modified fiber is prepared by adding nano silicon dioxide and 20% sodium carboxymethyl cellulose aqueous solution into pre-modified fiber by taking epichlorohydrin as a cross-linking agent after fiber separation and carboxymethylation treatment to form nano hydrogel on the surface of the fiber.
Preferably, the pre-modified fiber is prepared by co-spinning fibrilia and polyethylene terephthalate and then performing flash explosion treatment.
Preferably, the denier of the hemp fiber and the polyethylene terephthalate are 6.5 g/denier and 4.3 g/denier, respectively.
Preferably, the conditioner IS respectively a softener IS, an antibacterial agent ammonium dihydrogen phosphate, an ultraviolet resistant agent uv-1130, a flame retardant hexabromous water dispersoid and a mildew preventive 8-hydroxyquinoline copper.
The invention provides a preparation method of an anti-haze curtain, which comprises the following specific steps:
(1) the preparation method of the pre-modified fibrilia comprises the following steps: the pre-modified fiber is obtained by co-spinning fibrilia and polyethylene terephthalate and then carrying out flash explosion treatment;
(2) the preparation method of the modified fibrilia comprises the following steps: the modified fiber is modified fibrilia prepared by adding nano silicon dioxide and 20% sodium carboxymethylcellulose aqueous solution into pre-modified fiber which is subjected to fiber separation and carboxymethylation by taking epichlorohydrin as a cross-linking agent to form nano hydrogel on the surface of the fiber;
a. the water flow splitting implementation method comprises the following steps: impacting the fibers with water flow under pressure;
b. the preparation method of the carboxymethylation and the hydrogel comprises the following steps: more carboxyl groups are introduced into the molecular chain of the cellulose; the carboxymethylated fiber is taken as a raw material, epichlorohydrin is taken as a cross-linking agent, nano silicon dioxide and 20% sodium carboxymethyl cellulose aqueous solution are added, and nano hydrogel is prepared on the surface of the modified fibrilia through fiber separation;
(3) the preparation method of the anti-haze curtain comprises the following steps: and (3) after the modified fibrilia obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, treating the fabric by using a conditioner, and thus obtaining the haze-preventing curtain.
Preferably, the preparation method of the pre-modified fibrilia in the step (1) comprises the following steps: after 4.3 denier of filament yarn is extruded from polyethylene terephthalate, the filament yarn and 6.5 denier of fibrilia are respectively subjected to opening pretreatment, carded into polyethylene terephthalate raw slivers and fibrilia raw slivers on a carding machine, and combined on a drawing frame to prepare the pre-modified fibrilia.
Preferably, in the step (2), the treatment method of the flash explosion in the step a comprises the following steps: soaking 20g of pre-modified fibrilia in 100ml of distilled water, soaking for 15h at room temperature, reacting for 5min by using an ultracentrifuge (2000rpm) to remove redundant water, adjusting the ratio of the pre-modified fibrilia to the water to be 1:1, putting 10g of water-containing pre-modified fibrilia into a flash blaster heated to 150 ℃, closing a container, introducing hot steam (the saturation pressure corresponding to the hot steam is 1.0-4.9 MPa) controlled at 150 ℃ and 5.0MPa into the flash blaster, closing a steam input valve after the pressure is constant, then suddenly opening a spherical valve connected with an exhaust pipe, instantly exploding for 0.2 seconds, introducing the exploded cellulose into a collector by virtue of pressure difference, and cleaning and drying the material to finish the flash blasting treatment.
Preferably, in the step (2), the carboxymethylation and hydrogel preparation method in the step b comprises the following steps: pulping the fiber after fiber separation, wherein the pulping degree is 33 DEG SR, adding a sodium hydroxide-ethanol solution for soaking to enable the mass ratio of the fiber to the sodium hydroxide to be 1:1, stirring for 10min, then adding a monochloroacetic acid-ethanol solution for heating reaction to enable the mass ratio of the fiber to the monochloroacetic acid to be 1:1.03, setting the temperature to be 79 ℃, and neutralizing and washing the fiber after carboxymethylation by using deionized water and glacial acetic acid after reacting for 3 h; and then soaking the pre-modified fiber after carboxymethylation in water, stirring for 10min, adding 20% sodium carboxymethylcellulose aqueous solution and nano silicon dioxide powder, uniformly mixing, dropwise adding 6.85g of epoxy chloropropane at room temperature, stirring for 2h, placing in a drying oven, drying at 50 ℃ for 12h, fully reacting, repeatedly soaking and cleaning with pure water to remove unreacted epoxy chloropropane until the swelling is balanced, and thus obtaining the modified fiber.
Preferably, the preparation method of the haze-preventing curtain in the step (3) comprises the following steps: after the modified cotton fiber obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, a fabric is treated by using a conditioner to obtain the modified cotton fiber with the gram weight of 260-290 g/m2The haze-preventing curtain.
Compared with the prior art, the invention has the following beneficial effects:
the fibrilia is obtained from various fibrilia plants, has good functions of moisture absorption, moisture dispersion and ventilation, co-spins the polyethylene terephthalate and the fibrilia, so that the polyethylene terephthalate is wrapped inside the fibrilia, and then carries out flash explosion treatment on the co-spun fibers to prepare the pre-modified fibers; after co-spinning, the polyethylene terephthalate enhances the tear resistance of the fibrilia, so that the mechanical property of the prepared fabric is stronger, because the hygroscopicity of the polyethylene terephthalate is extremely poor, water molecules can only enter the fibrilia, and therefore, during flash explosion, the fibrilia is dispersed by pressure relief at the moment after pressurization, a plurality of fiber distribution are generated, the length-width ratio and the porosity of the fibrilia are increased, the adsorption capacity of the fibrilia on solid particles in the atmosphere is increased, the surface area of the fibrilia is increased by fluff of the fibrilia, and a place is provided for the retention of the solid particles; and can produce the electrostatic force during the friction of polyethylene terephthalate, when the tiny particle is close to electrified object, because electrostatic induction, the particulate matter that is close to electrified object one end can respond to the electric charge opposite with electrified object electrical property, because the effect that opposite sign electric charge attracts mutually, the tiny particle can be adsorbed on electrified object, realizes that the surface fabric is to the absorption interception of the solid particle in the atmosphere.
Performing water-flow fiber dividing and carboxymethylation treatment on the pre-modified fiber to perform fiber dividing carboxymethylation on the fibrilia, then soaking the fiber subjected to carboxymethylation in water, adding nano silicon dioxide and 20% sodium carboxymethylcellulose aqueous solution by taking epichlorohydrin as a cross-linking agent, and coating the nano silicon dioxide in hydrogel when gel is formed to prepare the modified fiber; after the fibrilia is subjected to secondary fiber splitting by using water flow, the length-width ratio of the fibrilia is maximized, the bearing capacity of solid particles in the atmosphere is increased, and meanwhile, a place is provided for the existence of hydrogel; a large amount of nanometer aquogel distribute on the surface of surface fabric, can absorb the moisture in the atmosphere, keep the state of moisture saturation constantly, have adsorption to atmosphere solid particle when, can be with the static cladding inside the (window) curtain, block that electrostatic force to arouse danger with the surface of inflammables to nanometer aquogel can not influence the practicality of (window) curtain.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the technical scheme that: the haze-preventing curtain comprises the following raw materials in parts by weight:
30-40 parts of modified fiber and 5-10 parts of conditioner.
Preferably, the modified fiber is prepared by adding nano silicon dioxide and 20% sodium carboxymethyl cellulose aqueous solution into pre-modified fiber by taking epichlorohydrin as a cross-linking agent after fiber separation and carboxymethylation treatment to form nano hydrogel on the surface of the fiber.
Preferably, the pre-modified fiber is prepared by co-spinning fibrilia and polyethylene terephthalate and then performing flash explosion treatment.
Preferably, the denier of the hemp fiber and the polyethylene terephthalate are 6.5 g/denier and 4.3 g/denier, respectively.
Preferably, the conditioner IS respectively a softener IS, an antibacterial agent ammonium dihydrogen phosphate, an ultraviolet resistant agent uv-1130, a flame retardant hexabromous water dispersoid and a mildew preventive 8-hydroxyquinoline copper.
The invention provides a preparation method of an anti-haze curtain, which comprises the following specific steps:
(1) the preparation method of the pre-modified fibrilia comprises the following steps: the pre-modified fiber is obtained by co-spinning fibrilia and polyethylene terephthalate and then carrying out flash explosion treatment;
(2) the preparation method of the modified fibrilia comprises the following steps: the modified fiber is modified fibrilia prepared by adding nano silicon dioxide and 20% sodium carboxymethylcellulose aqueous solution into pre-modified fiber which is subjected to fiber separation and carboxymethylation by taking epichlorohydrin as a cross-linking agent to form nano hydrogel on the surface of the fiber;
a. the water flow splitting implementation method comprises the following steps: impacting the fibers with water flow under pressure;
b. the preparation method of the carboxymethylation and the hydrogel comprises the following steps: more carboxyl groups are introduced into the molecular chain of the cellulose; the carboxymethylated fiber is taken as a raw material, epichlorohydrin is taken as a cross-linking agent, nano silicon dioxide and 20% sodium carboxymethyl cellulose aqueous solution are added, and nano hydrogel is prepared on the surface of the modified fibrilia through fiber separation;
(3) the preparation method of the anti-haze curtain comprises the following steps: and (3) after the modified fibrilia obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, treating the fabric by using a conditioner, and thus obtaining the haze-preventing curtain.
Preferably, the preparation method of the pre-modified fibrilia in the step (1) comprises the following steps: after 4.3 denier of filament yarn is extruded from polyethylene terephthalate, the filament yarn and 6.5 denier of fibrilia are respectively subjected to opening pretreatment, carded into polyethylene terephthalate raw slivers and fibrilia raw slivers on a carding machine, and combined on a drawing frame to prepare the pre-modified fibrilia.
Preferably, in the step (2), the treatment method of the flash explosion in the step a comprises the following steps: soaking 20g of pre-modified fibrilia in 100ml of distilled water, soaking for 15h at room temperature, reacting for 5min by using an ultracentrifuge (2000rpm) to remove redundant water, adjusting the ratio of the pre-modified fibrilia to the water to be 1:1, putting 10g of water-containing pre-modified fibrilia into a flash blaster heated to 150 ℃, closing a container, introducing hot steam (the saturation pressure corresponding to the hot steam is 1.0-4.9 MPa) controlled at 150 ℃ and 5.0MPa into the flash blaster, closing a steam input valve after the pressure is constant, then suddenly opening a spherical valve connected with an exhaust pipe, instantly exploding for 0.2 seconds, introducing the exploded cellulose into a collector by virtue of pressure difference, and cleaning and drying the material to finish the flash blasting treatment.
Preferably, in the step (2), the carboxymethylation and hydrogel preparation method in the step b comprises the following steps: pulping the fiber after fiber separation, wherein the pulping degree is 33 DEG SR, adding a sodium hydroxide-ethanol solution for soaking to enable the mass ratio of the fiber to the sodium hydroxide to be 1:1, stirring for 10min, then adding a monochloroacetic acid-ethanol solution for heating reaction to enable the mass ratio of the fiber to the monochloroacetic acid to be 1:1.03, setting the temperature to be 79 ℃, and neutralizing and washing the fiber after carboxymethylation by using deionized water and glacial acetic acid after reacting for 3 h; and then soaking the pre-modified fiber after carboxymethylation in water, stirring for 10min, adding 20% sodium carboxymethylcellulose aqueous solution and nano silicon dioxide powder, uniformly mixing, dropwise adding 6.85g of epoxy chloropropane at room temperature, stirring for 2h, placing in a drying oven, drying at 50 ℃ for 12h, fully reacting, repeatedly soaking and cleaning with pure water to remove unreacted epoxy chloropropane until the swelling is balanced, and thus obtaining the modified fiber.
Preferably, the preparation method of the haze-preventing curtain in the step (3) comprises the following steps: after the modified cotton fiber obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, a fabric is treated by using a conditioner to obtain the modified cotton fiber with the gram weight of 260-290 g/m2The haze-preventing curtain.
Example 1: a haze-preventing curtain I:
the anti-haze curtain comprises the following components in parts by weight:
33 parts of modified fiber and 6 parts of conditioner.
The preparation method of the curtain comprises the following steps:
(1) the preparation method of the pre-modified fibrilia comprises the following steps: the pre-modified fiber is obtained by co-spinning fibrilia and polyethylene terephthalate and then carrying out flash explosion treatment;
(2) the preparation method of the modified fibrilia comprises the following steps: the modified fiber is modified fibrilia prepared by adding nano silicon dioxide and 20% sodium carboxymethylcellulose aqueous solution into pre-modified fiber which is subjected to fiber separation and carboxymethylation by taking epichlorohydrin as a cross-linking agent to form nano hydrogel on the surface of the fiber;
a. the water flow splitting implementation method comprises the following steps: impacting the fibers with water flow under pressure;
b. the preparation method of the carboxymethylation and the hydrogel comprises the following steps: more carboxyl groups are introduced into the molecular chain of the cellulose; the carboxymethylated fiber is taken as a raw material, epichlorohydrin is taken as a cross-linking agent, nano silicon dioxide and 20% sodium carboxymethyl cellulose aqueous solution are added, and nano hydrogel is prepared on the surface of the modified fibrilia through fiber separation;
(3) the preparation method of the anti-haze curtain comprises the following steps: and (3) after the modified fibrilia obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, treating the fabric by using a conditioner, and thus obtaining the haze-preventing curtain.
Preferably, the preparation method of the pre-modified fibrilia in the step (1) comprises the following steps: after 4.3 denier of filament yarn is extruded from polyethylene terephthalate, the filament yarn and 6.5 denier of fibrilia are respectively subjected to opening pretreatment, carded into polyethylene terephthalate raw slivers and fibrilia raw slivers on a carding machine, and combined on a drawing frame to prepare the pre-modified fibrilia.
Preferably, in the step (2), the treatment method of the flash explosion in the step a comprises the following steps: soaking 20g of pre-modified fibrilia in 100ml of distilled water for 15h at room temperature, reacting for 5min by using an ultracentrifuge (2000rpm) to remove redundant water, adjusting the water ratio of the pre-modified fibrilia to 1:1, putting 10g of water-containing pre-modified fibrilia into a flash blaster heated to 150 ℃, closing a container, introducing hot steam (the saturated pressure corresponding to the hot steam is 2.7MPa) controlled at 150 ℃ and 5.0MPa into the flash blaster, closing a steam input valve after the pressure is constant, then suddenly opening a spherical valve connected with an exhaust pipe, carrying out flash blasting for 0.2 second, introducing the flashed cellulose into a collector by virtue of differential pressure, and cleaning and drying the material to complete the flash blasting treatment.
Preferably, in the step (2), the carboxymethylation and hydrogel preparation method in the step b comprises the following steps: pulping the fiber after fiber separation, wherein the pulping degree is 33 DEG SR, adding a sodium hydroxide-ethanol solution for soaking to enable the mass ratio of the fiber to the sodium hydroxide to be 1:1, stirring for 10min, then adding a monochloroacetic acid-ethanol solution for heating reaction to enable the mass ratio of the fiber to the monochloroacetic acid to be 1:1.03, setting the temperature to be 79 ℃, and neutralizing and washing the fiber after carboxymethylation by using deionized water and glacial acetic acid after reacting for 3 h; and then soaking the pre-modified fiber after carboxymethylation in water, stirring for 10min, adding 20% sodium carboxymethylcellulose aqueous solution and nano silicon dioxide powder, uniformly mixing, dropwise adding 6.85g of epoxy chloropropane at room temperature, stirring for 2h, placing in a drying oven, drying at 50 ℃ for 12h, fully reacting, repeatedly soaking and cleaning with pure water to remove unreacted epoxy chloropropane until the swelling is balanced, and thus obtaining the modified fiber.
Preferably, the preparation method of the haze-preventing curtain in the step (3) comprises the following steps: after the modified cotton fiber obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, a fabric is treated by using a conditioner to obtain the fabric with the gram weight of 273g/m2The haze-preventing curtain.
Example 2: a haze-preventing curtain II:
the anti-haze curtain comprises the following components in parts by weight:
38 parts of modified fiber and 8 parts of conditioner.
The preparation method of the curtain comprises the following steps:
(1) the preparation method of the pre-modified fibrilia comprises the following steps: the pre-modified fiber is obtained by co-spinning fibrilia and polyethylene terephthalate and then carrying out flash explosion treatment;
(2) the preparation method of the modified fibrilia comprises the following steps: the modified fiber is modified fibrilia prepared by adding nano silicon dioxide and 20% sodium carboxymethylcellulose aqueous solution into pre-modified fiber which is subjected to fiber separation and carboxymethylation by taking epichlorohydrin as a cross-linking agent to form nano hydrogel on the surface of the fiber;
a. the water flow splitting implementation method comprises the following steps: impacting the fibers with water flow under pressure;
b. the preparation method of the carboxymethylation and the hydrogel comprises the following steps: more carboxyl groups are introduced into the molecular chain of the cellulose; the carboxymethylated fiber is taken as a raw material, epichlorohydrin is taken as a cross-linking agent, nano silicon dioxide and 20% sodium carboxymethyl cellulose aqueous solution are added, and nano hydrogel is prepared on the surface of the modified fibrilia through fiber separation;
(3) the preparation method of the anti-haze curtain comprises the following steps: and (3) after the modified fibrilia obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, treating the fabric by using a conditioner, and thus obtaining the haze-preventing curtain.
Preferably, the preparation method of the pre-modified fibrilia in the step (1) comprises the following steps: after 4.3 denier of filament yarn is extruded from polyethylene terephthalate, the filament yarn and 6.5 denier of fibrilia are respectively subjected to opening pretreatment, carded into polyethylene terephthalate raw slivers and fibrilia raw slivers on a carding machine, and combined on a drawing frame to prepare the pre-modified fibrilia.
Preferably, in the step (2), the treatment method of the flash explosion in the step a comprises the following steps: soaking 20g of pre-modified fibrilia in 100ml of distilled water for 15h at room temperature, reacting for 5min by using an ultracentrifuge (2000rpm) to remove redundant water, adjusting the water ratio of the pre-modified fibrilia to 1:1, putting 10g of water-containing pre-modified fibrilia into a flash blaster heated to 150 ℃, closing a container, introducing hot steam (the saturation pressure corresponding to the hot steam is 3.8MPa) controlled at 150 ℃ and 5.0MPa into the flash blaster, closing a steam input valve after the pressure is constant, then suddenly opening a spherical valve connected with an exhaust pipe, carrying out flash blasting for 0.2 second, introducing the flashed cellulose into a collector by virtue of differential pressure, and cleaning and drying the material to complete the flash blasting treatment.
Preferably, in the step (2), the carboxymethylation and hydrogel preparation method in the step b comprises the following steps: pulping the fiber after fiber separation, wherein the pulping degree is 33 DEG SR, adding a sodium hydroxide-ethanol solution for soaking to enable the mass ratio of the fiber to the sodium hydroxide to be 1:1, stirring for 10min, then adding a monochloroacetic acid-ethanol solution for heating reaction to enable the mass ratio of the fiber to the monochloroacetic acid to be 1:1.03, setting the temperature to be 79 ℃, and neutralizing and washing the fiber after carboxymethylation by using deionized water and glacial acetic acid after reacting for 3 h; and then soaking the pre-modified fiber after carboxymethylation in water, stirring for 10min, adding 20% sodium carboxymethylcellulose aqueous solution and nano silicon dioxide powder, uniformly mixing, dropwise adding 6.85g of epoxy chloropropane at room temperature, stirring for 2h, placing in a drying oven, drying at 50 ℃ for 12h, fully reacting, repeatedly soaking and cleaning with pure water to remove unreacted epoxy chloropropane until the swelling is balanced, and thus obtaining the modified fiber.
Preference is given toThe preparation method of the haze-preventing curtain in the step (3) comprises the following steps: after the modified cotton fiber obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, a fabric is treated by using a conditioner to obtain the modified cotton fiber with the gram weight of 286g/m2The haze-preventing curtain.
Comparative example 1:
the formulation of comparative example 1 was the same as example 1. The preparation method of the haze-proof curtain only differs from the preparation method of the haze-proof curtain in the embodiment 1 in that the treatment of the step (1) is not carried out, and the rest of the preparation steps are the same as the preparation steps of the embodiment 1.
Comparative example 2:
comparative example 2 was formulated as in example 1. The preparation method of the haze-proof curtain only differs from the preparation method of the haze-proof curtain in the embodiment 1 in that the treatment of the step a in the step (2) is not carried out, and the rest of the preparation steps are the same as the preparation steps in the embodiment 1.
Comparative example 3:
the formulation of comparative example 3 was the same as example 1. The preparation method of the haze-proof curtain only differs from the preparation method of the haze-proof curtain in the embodiment 1 in that the treatment of the step b in the step (2) is not carried out, and the rest of the preparation steps are the same as the preparation steps in the embodiment 1.
Test example 1:
the fabrics prepared in example 1, example 2 and comparative example 3 were subjected to haze adsorption test, and 20cm of the fabrics prepared in example 1, example 2 and comparative example 3 were cut out2Adopt smog case simulation haze environment, for the convenience of the haze lasts the effect to the surface fabric, place the surface fabric in the airtight case of self-control organic glass, the box size is 210mm x 140mm x 180 mm.
The smog chamber simulates the atmospheric haze reaction conditions that the relative humidity is 50 percent, the temperature is 30 ℃, and Al is added2O3＝20μg/m30.5ppm toluene, 15ppb NO, NO2＝30ppb，SO2＝52.5pp，NH3105ppb, UV light of 40h and a box volume of 2m3。
And introducing gas into the closed box body after the lamp in the smoke box is turned on and the gas reacts for 30 min. The experimental conditions are kept consistent, and the haze environment is simulated to act on the fabric for a week. The experimental results are as follows:
| example 1 | Example 2 | Comparative example 3 | |
| Weight of the Fabric | 0.0273g | 0.0286g | 0.0251g |
| Weight after adsorption | 1.0381g | 1.0326g | 0.0816g |
| Weight of dust | 1.0108g | 1.0040g | 0.0565g |
As can be seen from the above table, the ability of the fabric of the composition of example 1 to adsorb solid particles in the atmosphere is better, the ability of the fabric of the composition of example 2 to adsorb solid particles in the atmosphere is not much different from that of the composition of example 1, and the ability of the fabric of the composition of comparative example 3 to adsorb solid particles in the atmosphere is much worse than that of the fabric of examples 1 and 2, and the fundamental reason is that the fabric of the composition of comparative example 3 is prepared without carboxymethylation and hydrogel treatment, which indicates that the fiber composition increases the aspect ratio and porosity of the fibrilia, increases the adsorption ability of the fibrilia to solid particles in the atmosphere, and provides a retention place for the fibrilia, and a large amount of nano hydrogel is distributed on the surface of the fabric, so that the fabric can absorb moisture in the atmosphere, constantly maintains a state of moisture saturation, and has an adsorption effect on solid particles in the atmosphere.
Test example 2:
the anti-tear comparison of the fabrics prepared in the examples 1, 2 and 1 shows that the higher the tear strength, the stronger the mechanical property of the anti-haze curtain, and the following experimental results:
the tearing strength is one of the standards for embodying the good and bad mechanical properties of the fabric, the higher the tearing strength is, the stronger the mechanical property of the fabric is, as can be seen from the above table, the tearing indexes of the fabric of the components of the embodiment 1 and the embodiment 2 are not very different, and the tearing strength of the fabric of the comparative example 1 is much poorer than that of the embodiment, which shows that the polyethylene terephthalate enhances the tearing resistance of the fibrilia, so that the mechanical property of the prepared fabric is stronger, because the hygroscopicity of the polyethylene terephthalate is extremely poor, water molecules can only enter the inside of the fibrilia, only the fibrilia is subjected to flash explosion to separate the fibrilia, the mechanical strength of the polyethylene terephthalate is not changed, the separate fibrilia is subjected to staggered knotting, and the tearing strength of the fabric is enhanced to a certain extent.
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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The haze-preventing curtain is characterized by comprising the following raw materials in parts by weight: 30-40 parts of modified fiber and 5-10 parts of conditioner.
2. The haze preventing curtain of claim 1, wherein: the modified fiber is prepared by adding nano silicon dioxide and 20% sodium carboxymethyl cellulose aqueous solution into pre-modified fiber which is subjected to fiber separation and carboxymethylation by taking epichlorohydrin as a cross-linking agent to form nano hydrogel on the surface of the fiber.
3. The haze preventing curtain of claim 2, wherein: the pre-modified fiber is prepared by co-spinning fibrilia and polyethylene terephthalate and then carrying out flash explosion treatment.
4. The haze preventing curtain as claimed in claim 3, wherein: the denier of the hemp fiber and the polyethylene terephthalate are 6.5 g/denier and 4.3 g/denier respectively.
5. The haze preventing curtain of claim 4, wherein: the conditioner IS respectively softener IS, antibacterial agent ammonium dihydrogen phosphate, ultraviolet resistant agent uv-1130, flame retardant hexabromous water dispersoid and mildew preventive 8-hydroxyquinoline copper.
6. The preparation method of the haze-preventing curtain is characterized by comprising the following specific steps of:
(1) the preparation method of the pre-modified fibrilia comprises the following steps: the pre-modified fiber is obtained by co-spinning fibrilia and polyethylene terephthalate and then carrying out flash explosion treatment;
(2) the preparation method of the modified fibrilia comprises the following steps: the modified fiber is modified fibrilia prepared by adding nano silicon dioxide and 20% sodium carboxymethylcellulose aqueous solution into pre-modified fiber which is subjected to fiber separation and carboxymethylation by taking epichlorohydrin as a cross-linking agent to form nano hydrogel on the surface of the fiber;
a. the water flow splitting implementation method comprises the following steps: impacting the fibers with water flow under pressure;
b. the preparation method of the carboxymethylation and the hydrogel comprises the following steps: more carboxyl groups are introduced into the molecular chain of the cellulose; the carboxymethylated fiber is taken as a raw material, epichlorohydrin is taken as a cross-linking agent, nano silicon dioxide and 20% sodium carboxymethyl cellulose aqueous solution are added, and nano hydrogel is prepared on the surface of the modified fibrilia through fiber separation;
(3) the preparation method of the anti-haze curtain comprises the following steps: and (3) after the modified fibrilia obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, treating the fabric by using a conditioner, and thus obtaining the haze-preventing curtain.
7. The method for preparing the haze-preventing curtain as claimed in claim 6, wherein the haze-preventing curtain comprises: the preparation method of the pre-modified fibrilia in the step (1) comprises the following steps: after 4.3 denier of filament yarn is extruded from polyethylene terephthalate, the filament yarn and 6.5 denier of fibrilia are respectively subjected to opening pretreatment, carded into polyethylene terephthalate raw slivers and fibrilia raw slivers on a carding machine, and combined on a drawing frame to prepare the pre-modified fibrilia.
8. The method for preparing the haze-preventing curtain as claimed in claim 6, wherein the haze-preventing curtain comprises: in the step (2), the flash explosion treatment method in the step a comprises the following steps: soaking 20g of pre-modified fibrilia in 100ml of distilled water, soaking for 15h at room temperature, reacting for 5min by using an ultracentrifuge (2000rpm) to remove redundant water, adjusting the ratio of the pre-modified fibrilia to the water to be 1:1, putting 10g of water-containing pre-modified fibrilia into a flash blaster heated to 150 ℃, closing a container, introducing hot steam (the saturation pressure corresponding to the hot steam is 1.0-4.9 MPa) controlled at 150 ℃ and 5.0MPa into the flash blaster, closing a steam input valve after the pressure is constant, then suddenly opening a spherical valve connected with an exhaust pipe, instantly exploding for 0.2 seconds, introducing the exploded cellulose into a collector by virtue of pressure difference, and cleaning and drying the material to finish the flash blasting treatment.
9. The method for preparing the haze-preventing curtain as claimed in claim 6, wherein the haze-preventing curtain comprises: in the step (2), the carboxymethylation and hydrogel preparation method in the step b comprises the following steps: pulping the fiber after fiber separation, wherein the pulping degree is 33 DEG SR, adding a sodium hydroxide-ethanol solution for soaking to enable the mass ratio of the fiber to the sodium hydroxide to be 1:1, stirring for 10min, then adding a monochloroacetic acid-ethanol solution for heating reaction to enable the mass ratio of the fiber to the monochloroacetic acid to be 1:1.03, setting the temperature to be 79 ℃, and neutralizing and washing the fiber after carboxymethylation by using deionized water and glacial acetic acid after reacting for 3 h; and then soaking the pre-modified fiber after carboxymethylation in water, stirring for 10min, adding 20% sodium carboxymethylcellulose aqueous solution and nano silicon dioxide powder, uniformly mixing, dropwise adding 6.85g of epoxy chloropropane at room temperature, stirring for 2h, placing in a drying oven, drying at 50 ℃ for 12h, fully reacting, repeatedly soaking and cleaning with pure water to remove unreacted epoxy chloropropane until the swelling is balanced, and thus obtaining the modified fiber.
10. The method for preparing the haze-preventing curtain as claimed in claim 6, wherein the haze-preventing curtain comprises: the preparation method of the haze preventing curtain in the step (3) comprises the following steps: after the modified cotton fiber obtained in the step (2) is subjected to double twisting, spinning, dyeing, color fixing and weaving, a fabric is treated by using a conditioner to obtain the modified cotton fiber with the gram weight of 260-290 g/m2The haze-preventing curtain.
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