CN114000342A - Low-light-transmittance moisture-absorbing curtain and preparation method thereof - Google Patents
Low-light-transmittance moisture-absorbing curtain and preparation method thereof Download PDFInfo
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- CN114000342A CN114000342A CN202111412917.9A CN202111412917A CN114000342A CN 114000342 A CN114000342 A CN 114000342A CN 202111412917 A CN202111412917 A CN 202111412917A CN 114000342 A CN114000342 A CN 114000342A
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- China
- Prior art keywords
- curtain
- flame
- transmittance
- moisture
- hydrochloric acid
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- 238000002834 transmittance Methods 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 133
- 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 abstract description 98
- 239000003063 flame retardant Substances 0.000 claims abstract description 98
- 238000009987 spinning Methods 0.000 claims abstract description 47
- 238000010521 absorption reaction Methods 0.000 claims abstract description 38
- 210000002268 wool Anatomy 0.000 claims abstract description 33
- -1 titanic acid 3-vinyl-4, 5-diaminophenyl ester Chemical class 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000889 atomisation Methods 0.000 claims abstract description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 106
- 239000011259 mixed solution Substances 0.000 claims description 37
- 239000000243 solution Substances 0.000 claims description 36
- 238000003756 stirring Methods 0.000 claims description 36
- 238000002156 mixing Methods 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 21
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 20
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 13
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 12
- 238000003851 corona treatment Methods 0.000 claims description 10
- 239000004317 sodium nitrate Substances 0.000 claims description 10
- 235000010344 sodium nitrate Nutrition 0.000 claims description 10
- 238000009941 weaving Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000000967 suction filtration Methods 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 8
- 238000004132 cross linking Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 238000009210 therapy by ultrasound Methods 0.000 claims description 8
- 150000001336 alkenes Chemical class 0.000 claims description 7
- 239000012153 distilled water Substances 0.000 claims description 7
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 6
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 36
- 239000007789 gas Substances 0.000 abstract description 9
- 239000012964 benzotriazole Substances 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 abstract description 3
- 125000003277 amino group Chemical group 0.000 abstract description 3
- 150000001989 diazonium salts Chemical class 0.000 abstract description 3
- OOBDZXQTZWOBBQ-UHFFFAOYSA-N hexaphenol Chemical compound C1C2=CC(O)=C(O)C=C2CC2=CC(O)=C(O)C=C2CC2=C1C=C(O)C(O)=C2 OOBDZXQTZWOBBQ-UHFFFAOYSA-N 0.000 abstract description 3
- 229920000642 polymer Polymers 0.000 abstract description 3
- 238000009965 tatting Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000003993 interaction Effects 0.000 abstract description 2
- 239000000741 silica gel Substances 0.000 abstract description 2
- 229910002027 silica gel Inorganic materials 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 14
- 230000001276 controlling effect Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000011085 pressure filtration Methods 0.000 description 3
- 238000010561 standard procedure Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- AYTSDBGAHOKDHJ-UHFFFAOYSA-N 2-nitrobenzenediazonium Chemical class [O-][N+](=O)C1=CC=CC=C1[N+]#N AYTSDBGAHOKDHJ-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000008049 diazo compounds Chemical class 0.000 description 1
- 239000012954 diazonium Substances 0.000 description 1
- 238000006193 diazotization reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004089 microcirculation Effects 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
- D06M10/025—Corona discharge or low temperature plasma
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/233—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads protein-based, e.g. wool or silk
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/292—Conjugate, i.e. bi- or multicomponent, fibres or filaments
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
-
- 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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/06—Inorganic compounds or elements
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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
- D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/13—Ammonium halides or halides of elements of Groups 1 or 11 of the Periodic Table
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- 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
- D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/28—Halides of elements of Groups 8, 9, 10 or 18 of the Periodic Table
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- 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
- D06M11/58—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 nitrogen or compounds thereof, e.g. with nitrides
- D06M11/64—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 nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts
- D06M11/65—Salts of oxyacids of nitrogen
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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
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
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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
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Artificial Filaments (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a low-light-transmittance moisture-absorbing curtain and a preparation method thereof, and relates to the technical field of curtains. Firstly, carrying out interaction hydrolysis and simultaneous reaction on m-phthalic acid di-2-vinyl-3-amino-m-nitrophenyl ester and titanic acid 3-vinyl-4, 5-diaminophenyl ester to generate a spinning solution containing silica gel and benzimidazole polymer, and then spinning by using the spinning solution to obtain flame-retardant fibers; then, carrying out ultrasonic atomization corona on the flame-retardant fiber to enable amino groups in the flame-retardant fiber to react to form a diazonium compound, so as to obtain the post-treated flame-retardant fiber; and then, needle point heating and tatting the post-treated flame-retardant fibers and the wool fibers to ensure that the post-treated flame-retardant fibers on the interweaving points are in a molten state, wrapping the wool fibers to generate a benzotriazole compound, and then carrying out microwave negative pressure filtering and washing to generate a hexaphenol ferrate complex, so that the low-light-transmittance moisture-absorption curtain which can effectively degrade indoor formaldehyde and other harmful gases and has good moisture absorption, ultraviolet absorption and flame retardance is obtained.
Description
Technical Field
The invention relates to the technical field of curtains, in particular to a low-light-transmittance moisture-absorption curtain and a preparation method thereof.
Background
The curtain is made of cloth, hemp, yarn, aluminum sheet, wood chip, metal material, etc. and has the functions of shading sun, insulating heat and regulating indoor light. Among them, the cloth curtain is widely used due to its advantages of low cost, wide source, convenience for style design, etc., and the cloth curtain is further classified into cotton gauze, terylene fabric, polyester-cotton blend, cotton-hemp blend, non-woven fabric, etc. according to the material.
In recent years, with the development of science and technology and the improvement of living standard, people have higher requirements on living quality, and the expected value of functional curtains as household articles necessary for household life is increased. For example, diversified work and rest time requires the curtain to have good shading performance, healthy living environment requires the curtain to be capable of degrading indoor formaldehyde and other harmful gases, fire safety regulations require the curtain to have flame retardancy, and the like. Although the technology of the current functional curtain is mature, the functional curtain has the functions of shading light, absorbing ultraviolet rays, resisting flame, degrading indoor harmful gases and the like, and the technical problem of the current curtain is solved.
The present invention addresses such problems by making low transmittance absorbent curtains.
Disclosure of Invention
The invention aims to provide a low-light-transmittance moisture-absorption curtain and a preparation method thereof, and aims to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
a low-light-transmittance moisture-absorption curtain mainly comprises, by weight, 40-80 parts of post-treated flame-retardant fibers and 32-96 parts of wool fibers.
Further, the post-treated flame-retardant fiber is obtained by carrying out ultrasonic atomization corona treatment on the flame-retardant fiber by using a hydrochloric acid mixed solution.
Furthermore, the flame-retardant fiber is prepared by blending and spinning di-2-vinyl-3-amino-m-nitrophenyl isophthalate and 3-vinyl-4, 5-diamino phenyl titanate.
Further, the hydrochloric acid mixed solution is obtained by mixing sodium nitrate and hydrochloric acid.
Further, the preparation method of the low-light-transmittance moisture-absorbing curtain mainly comprises the following preparation steps:
(1) atomizing the mixed solution of hydrochloric acid, introducing the atomized mixed solution of hydrochloric acid into a closed container containing the flame-retardant fibers, performing ultrasonic treatment, and performing corona treatment to obtain post-treated flame-retardant fibers;
(2) the later-treated flame-retardant fiber is warp yarn, the wool fiber is weft yarn, and the curtain is woven, heated at the needle points, impregnated and rolled to obtain a pretreated curtain;
(3) and (3) paving the pretreated curtain in a funnel, pouring a ferric trichloride solution, and performing suction filtration under a microwave condition to obtain the low-light-transmittance moisture-absorbing curtain.
Further, the preparation method of the low-light-transmittance moisture-absorbing curtain mainly comprises the following preparation steps:
(1) putting the flame-retardant fiber in a closed container, vacuumizing to 10-20 Pa under the nitrogen atmosphere, heating to 40-60 ℃, and controlling the temperature to be 0.5-0.7 m3Introducing atomized hydrochloric acid mixed solution with the mass 5-6 times that of the flame-retardant fiber at a speed/s, then carrying out ultrasonic treatment for 20-30 min at the frequency of 30-50 kHz, taking out, and placing the fiber into a corona treatment machine for corona 2-3 times under the conditions of the speed of 6-8 m/s and the current intensity of 8A to obtain the post-treated flame-retardant fiber;
(2) the flame-retardant fiber after treatment is warp yarn, the wool fiber is weft yarn, and the weight ratio of the warp yarn to the wool fiber is 1: 0.8-1: 1.2, weaving warp yarns and weft yarns, fixing cross-linking points of the warp yarns and the weft yarns by using silver needles, connecting resistance wires with silver needle handles, adjusting the temperature to 90-110 ℃, heating for 25-35 min, and then pulling out the silver needles to obtain a curtain; soaking the curtain in a sodium carbonate solution with the mass fraction of 5% -10% and 5-10 times of the mass of the flame-retardant fiber subjected to post-treatment for 20-30 min at the temperature of 30-40 ℃, taking out the curtain, rolling for 2-3 times at the rolling speed of 200-240 m/min and the pressure of 21-22 MPa at the temperature of 50-60 ℃, and naturally cooling to room temperature to obtain a pretreated curtain;
(3) spreading the pretreated curtain in a funnel, pouring a ferric trichloride solution with the mass fraction of 28% -30% and the mass fraction of 10-20 times of the mass of the pretreated curtain into the funnel at the speed of 10-20 mL/min under the conditions of 10-20 Pa, 2000-2400 MHz and 800-900W microwaves, performing suction filtration for 30-40 min, drying for 0.8-1.2 h at the temperature of 40-50 ℃, and naturally cooling to room temperature to obtain the low-light-transmittance moisture-absorbing curtain.
Further, the preparation method of the atomized hydrochloric acid mixed solution in the step (1) is as follows: and carrying out ultrasonic atomization on the mixed solution of hydrochloric acid for 7-8 h under the ultrasonic condition of 1700-2400 kHz to obtain atomized mixed solution of hydrochloric acid.
Further, the preparation method of the hydrochloric acid mixed solution comprises the following steps: under the stirring condition of 130-170 r/min at 25-26 ℃, mixing sodium nitrate and hydrochloric acid with the mass fraction of 36-38% according to the mass ratio of 1: 0.6-1: 0.8, mixing and stirring for 10-20 min to obtain a hydrochloric acid mixed solution.
Further, the preparation method of the flame-retardant fiber in the step (1) is as follows: under the stirring condition of 60-80 ℃ and 200-220 r/min, mixing m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester, distilled water and alkene hydrochloric acid with the mass fraction of 36-38% according to the mass ratio of 1: 0.8: 0.1-1: 1.2: 0.3, mixing and stirring for 10-20 min, then dripping 3-vinyl-4, 5-diaminophenyl titanate with the mass of 0.6-0.8 time of that of the m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester at 60-80 drops/min, and stirring for 40-60 min at the same temperature and speed to obtain spinning solution; and (3) putting the spinning solution into a spinning box, spinning by using a screw extruder at 230-275 ℃ and a spinning speed of 800-1200 m/min, and carrying out side-blowing cooling and curing for 30-40 min at 14-20 ℃ and a humidity of 60-85% and a wind speed of 0.8-1.5 m/s to obtain the flame-retardant fiber.
Compared with the prior art, the invention has the following beneficial effects:
when the post-treated flame-retardant fiber is warp and the wool fiber is weft to prepare the low-light-transmittance moisture-absorption curtain, the m-phthalic acid di-2-vinyl-3-amino-m-nitrophenyl ester and the titanic acid 3-vinyl-4, 5-diaminophenyl ester are blended and spun to prepare the flame-retardant fiber, the flame-retardant fiber is subjected to ultrasonic atomization corona to obtain the post-treated flame-retardant fiber, and the post-treated flame-retardant fiber and the wool fiber are subjected to needle point heating weaving and microwave negative pressure filtering washing to obtain the low-light-transmittance moisture-absorption curtain.
Firstly, blending and spinning di-2-vinyl-3-amino-m-nitrophenyl isophthalate and 3-vinyl-4, 5-diaminophenyl titanate to prepare flame-retardant fibers, hydrolyzing ester groups in the di-2-vinyl-3-amino-m-nitrophenyl isophthalate under the action of amino groups in the 3-vinyl-4, 5-diaminophenyl titanate and m-phthalic acid to generate 2-vinyl-3-amino-m-nitrophenol and m-phthalic acid, hydrolyzing the 3-vinyl-4, 5-diaminophenyl titanate under the action of carboxyl groups to form titanium dioxide gel and 3-vinyl-4, 5-diaminophenol with three-dimensional network structures and photocatalysis, wherein the flame-retardant fibers can effectively degrade indoor harmful gases such as formaldehyde and the like under the illumination environment, so that the low-light-transmittance moisture-absorbing curtain can effectively degrade indoor formaldehyde and other harmful gases; carboxyl in the isophthalic acid and amino in the 3-vinyl-4, 5-diaminophenol are polymerized to form a benzimidazole polymer, so that the flame-retardant fiber has flame retardant property, and further the low-light-transmittance moisture-absorbing curtain has flame retardant property.
Secondly, carrying out ultrasonic atomization corona on the flame-retardant fiber by using hydrochloric acid mixed liquor containing sodium nitrate to obtain post-treated flame-retardant fiber, wherein amino in the flame-retardant fiber is subjected to diazotization reaction to generate a diazonium compound, so that the moisture absorption performance of the low-light-transmittance moisture absorption curtain is enhanced; then, needle point heating tatting is carried out on the post-treated flame-retardant fibers and the wool fibers, the flame-retardant fibers at the cross-linking nodes wrap the wool fibers in a molten state, at the moment, the o-nitrobenzene diazonium salt on the flame-retardant fibers and the tyrosine amino acid on the wool fibers react to form a benzotriazole compound, when the flame-retardant fibers are irradiated by ultraviolet light, electrons around oxygen atoms on the benzotriazole compound are transferred to nitrogen atoms on a triazole structure to form a tautomer with poor stability in an excited state, and the tautomer converts redundant energy into heat energy and releases the heat energy to quickly recover to a relatively stable ground state form, so that the low-light-transmittance moisture absorption curtain has ultraviolet absorption performance; and finally, carrying out microwave negative pressure filtration and washing by using a ferric trichloride solution, wherein the ferric trichloride is quickly immersed into the loose flame-retardant fibers and generates a hexaphenol ferrate complex with phenolic hydroxyl groups in the flame-retardant fibers, so that the moisture absorption performance and the fiber strength of the flame-retardant fibers are improved, and the moisture absorption performance of the low-light-transmittance moisture absorption curtain is further enhanced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
In order to more clearly illustrate the method provided by the present invention, the following examples are provided to illustrate the method of the present invention, and the method for testing each index of the low light transmittance moisture absorption curtain prepared in the following examples is as follows:
moisture absorption: the moisture regain of the low-transmittance moisture-absorbing curtain prepared in the example and the comparative example with the same length and width was measured according to the GB/T9994 standard method.
Flame retardancy: the low-transmittance moisture-absorbing curtain prepared by the embodiment and the comparative example with the same length and width is tested for the limit oxygen index according to the GB/T5454 standard method.
Degradability of harmful gas: placing the low-transmittance moisture-absorbing curtain and the low-transmittance moisture-absorbing paint which is prepared in the same length and width embodiments and comparative examples and is 0.5-0.7 times of the mass of the low-transmittance moisture-absorbing curtain into a closed container at the temperature of 25-26 ℃ and the humidity of 50-60%, opening a stirring fan to simulate the indoor air microcirculation, and recording the concentration C0 of formaldehyde in the formaldehyde testing device at the moment after the room is placed for 30 min; and opening the sunlight simulator to irradiate the low-transmittance moisture absorption curtain for 12-14 h, and testing and recording the concentration C1 of formaldehyde in the container, wherein the formaldehyde degradation rate is (C0-C1) × 100%/C0.
Ultraviolet absorptivity: the low-transmittance moisture-absorbing curtain prepared by the embodiment and the comparative example with the same length and width is tested for the transmittance of UVA and UVB and the ultraviolet protection coefficient according to the GB/T18830 standard method.
Example 1
A low-light-transmittance moisture-absorption curtain mainly comprises 40 parts by weight of post-treated flame-retardant fibers and 32 parts by weight of wool fibers.
The preparation method of the low-light-transmittance moisture-absorbing curtain mainly comprises the following preparation steps:
(1) under the stirring conditions of 60 ℃ and 200r/min, mixing m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester, distilled water and 36% alkene hydrochloric acid according to the mass ratio of 1: 0.8: 0.1, mixing and stirring for 10min, then dripping 3-vinyl-4, 5-diamino phenyl titanate with the mass of 0.6 time of that of the m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester at 60 drops/min, and stirring for 40min at the same temperature and speed to obtain spinning solution; putting the spinning solution into a spinning box, spinning by using a screw extruder at 230 ℃ and 800m/min spinning speed, and carrying out side-blowing cooling and curing for 30min at 14 ℃ and 60% humidity and 0.8m/s wind speed to obtain flame-retardant fibers;
(2) under the stirring conditions of 25 ℃ and 130r/min, sodium nitrate and hydrochloric acid with the mass fraction of 36 percent are mixed according to the mass ratio of 1: 0.6 mixing and stirring for 10min to obtain a hydrochloric acid mixed solution; carrying out ultrasonic atomization on the mixed solution of hydrochloric acid for 7 hours under the ultrasonic condition of 1700kHz to obtain atomized mixed solution of hydrochloric acid; putting the flame-retardant fiber in a closed container, vacuumizing to 10Pa under the nitrogen atmosphere, heating to 40 ℃, and controlling the temperature to be 0.5m3Introducing atomized hydrochloric acid mixed solution with the mass 5 times that of the flame-retardant fiber at a speed/s, then carrying out ultrasonic treatment for 20min at the frequency of 30kHz, taking out, and putting the fiber into a corona treatment machine for corona 2 times under the conditions of the speed of 6m/s and the current intensity of 8A to obtain the post-treated flame-retardant fiber;
(3) the flame-retardant fiber after treatment is warp yarn, the wool fiber is weft yarn, and the weight ratio of the warp yarn to the wool fiber is 1: 0.8, weaving the warp and the weft, fixing cross-linking points of the warp and the weft by using silver needles, connecting resistance wires with silver needle handles, adjusting the temperature to 90 ℃, heating for 25min, and then pulling out the silver needles to obtain a curtain; soaking the curtain in 5 mass percent sodium carbonate solution which is 5 times of the mass of the post-treated flame-retardant fiber for 20min at the temperature of 30 ℃, taking out the curtain, rolling the curtain for 2 times at the rolling speed of 200m/min and the pressure of 21MPa at the temperature of 50 ℃, and naturally cooling the curtain to room temperature to obtain a pretreated curtain;
(4) and flatly paving the pretreated curtain in a funnel, pouring a ferric trichloride solution with the mass fraction of 28 percent, which is 10 times of the mass of the pretreated curtain, into the funnel at the speed of 10mL/min under the conditions of 10Pa, 2000MHz and 800W microwaves, carrying out suction filtration for 30min, drying at 40 ℃ for 0.8h, and naturally cooling to room temperature to obtain the low-light-transmittance hygroscopic curtain.
Example 2
A low-light-transmittance moisture-absorption curtain mainly comprises 60 parts by weight of post-treated flame-retardant fibers and 60 parts by weight of wool fibers.
The preparation method of the low-light-transmittance moisture-absorbing curtain mainly comprises the following preparation steps:
(1) under the stirring conditions of 70 ℃ and 210r/min, mixing 2-vinyl-3-amino m-nitrophenyl isophthalate, distilled water and 37% by mass of alkene hydrochloric acid according to the mass ratio of 1: 1: 0.2 mixing and stirring for 15min, then dripping titanic acid 3-vinyl-4, 5-diamino phenyl ester which is 0.7 time of the mass of the m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester at 70 drops/min, and stirring for 50min at the same temperature and speed to obtain spinning solution; putting the spinning solution into a spinning box, spinning by using a screw extruder under the conditions of 252.5 ℃ and a spinning speed of 1000m/min, and carrying out side-blowing cooling and curing for 35min under the conditions of 17 ℃ and a humidity of 72.5% and a wind speed of 1.15m/s to obtain the flame-retardant fiber;
(2) under the stirring conditions of 25.5 ℃ and 150r/min, sodium nitrate and hydrochloric acid with the mass fraction of 37 percent are mixed according to the mass ratio of 1: 0.7, mixing and stirring for 15min to obtain a hydrochloric acid mixed solution; carrying out ultrasonic atomization on the mixed solution of hydrochloric acid for 7.5h under the ultrasonic condition of 2050kHz to obtain atomized mixed solution of hydrochloric acid; putting the flame-retardant fiber in a closed container, vacuumizing to 15Pa under the nitrogen atmosphere, heating to 50 ℃, and controlling the temperature to be 0.6m3The atomized hydrochloric acid mixed solution with the mass 5.5 times of that of the flame-retardant fiber is introduced at the speed of/s, and thenThen carrying out ultrasonic treatment for 25min at the frequency of 40kHz, taking out, and putting into a corona treatment machine for corona 2 times under the conditions of the speed of 7m/s and the current intensity of 8A to obtain the post-treated flame-retardant fiber;
(3) the flame-retardant fiber after treatment is warp yarn, the wool fiber is weft yarn, and the weight ratio of the warp yarn to the wool fiber is 1: 1, weaving warp yarns and weft yarns, fixing cross-linking points of the warp yarns and the weft yarns by using silver needles, connecting resistance wires with silver needle handles, adjusting the temperature to 100 ℃, heating for 30min, and then pulling out the silver needles to obtain a curtain; soaking the curtain in 7.5 mass percent sodium carbonate solution 7.5 times the mass of the post-treated flame-retardant fiber for 25min at 35 ℃, taking out the curtain, rolling for 2 times at 55 ℃, 220m/min rolling speed and 21.5MPa pressure, and naturally cooling to room temperature to obtain a pretreated curtain;
(4) and flatly paving the pretreated curtain in a funnel, pouring a ferric trichloride solution with the mass fraction of 29 percent, which is 15 times of the mass of the pretreated curtain, into the funnel at the rate of 15mL/min under the conditions of 15Pa, 2200MHz and 850W microwaves, carrying out suction filtration for 35min, drying for 1h at the temperature of 45 ℃, and naturally cooling to room temperature to obtain the low-light-transmittance hygroscopic curtain.
Example 3
A low-light-transmittance moisture-absorption curtain mainly comprises, by weight, 80 parts of post-treated flame-retardant fibers and 96 parts of wool fibers.
The preparation method of the low-light-transmittance moisture-absorbing curtain mainly comprises the following preparation steps:
(1) under the stirring conditions of 80 ℃ and 220r/min, mixing 2-vinyl-3-amino m-nitrophenyl isophthalate, distilled water and 38% by mass of alkene hydrochloric acid according to the mass ratio of 1: 1.2: 0.3, mixing and stirring for 20min, then adding dropwise titanic acid 3-vinyl-4, 5-diamino phenyl ester which is 0.8 time of the mass of the m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester at 80 drops/min, and stirring for 60min at the same temperature and speed to obtain spinning solution; putting the spinning solution into a spinning box, spinning by using a screw extruder under the conditions of 275 ℃ and 1200m/min of spinning speed, and carrying out side-blowing cooling and curing for 40min under the conditions of 20 ℃, 85% of humidity and 1.5m/s of wind speed to obtain flame-retardant fibers;
(2) under the stirring conditions of 26 ℃ and 170r/min, mixing sodium nitrate and 38% hydrochloric acid according to the mass ratio of 1: 0.8, mixing and stirring for 20min to obtain a hydrochloric acid mixed solution; carrying out ultrasonic atomization on the mixed solution of hydrochloric acid for 8 hours under the ultrasonic condition of 2400kHz to obtain atomized mixed solution of hydrochloric acid; putting the flame-retardant fiber in a closed container, vacuumizing to 20Pa under the nitrogen atmosphere, heating to 60 ℃, and controlling the temperature to be 0.7m3Introducing atomized hydrochloric acid mixed solution with the mass 6 times that of the post-treated flame-retardant fiber at a speed/s, then carrying out ultrasonic treatment for 30min at a frequency of 50kHz, taking out, and putting the fiber into a corona treatment machine for corona 3 times under the conditions of a speed of 8m/s and a current intensity of 8A to obtain the post-treated flame-retardant fiber;
(3) the flame-retardant fiber after treatment is warp yarn, the wool fiber is weft yarn, and the weight ratio of the warp yarn to the wool fiber is 1: 1.2, weaving the warp and the weft, fixing cross-linking points of the warp and the weft by using silver needles, connecting resistance wires with silver needle handles, adjusting the temperature to 110 ℃, heating for 35min, and then pulling out the silver needles to obtain a curtain; soaking the curtain in 10 wt% sodium carbonate solution 10 times the weight of the flame retardant fiber at 40 deg.C for 30min, taking out, rolling at 60 deg.C and 240m/min at 22MPa for 3 times, and naturally cooling to room temperature to obtain pretreated curtain;
(4) and (2) paving the pretreated curtain in a funnel, pouring a ferric trichloride solution with the mass fraction of 30% which is 20 times of the mass of the pretreated curtain into the funnel at the rate of 20mL/min under the conditions of 20Pa, 2400MHz and 900W microwaves, carrying out suction filtration for 40min, drying for 1.2h at the temperature of 50 ℃, and naturally cooling to room temperature to obtain the low-light-transmittance hygroscopic curtain.
Comparative example 1
The formulation of comparative example 1 was the same as that of example 2. The preparation method of the low-light-transmittance moisture-absorption curtain only differs from the preparation method of the low-light-transmittance moisture-absorption curtain in the step (1), and the step (1) is modified as follows: under the stirring conditions of 70 ℃ and 210r/min, the mass ratio of titanic acid 3-vinyl-4, 5-diaminophenyl ester to toluene is 1: 1, mixing and stirring for 50min to obtain spinning solution; and (3) putting the spinning solution into a spinning box, spinning by using a screw extruder under the conditions of the spinning speed of 1000m/min at the temperature of 252.5 ℃, and carrying out side-blowing cooling and curing for 35min under the conditions of the humidity of 72.5% at the temperature of 17 ℃ and the wind speed of 1.15m/s to obtain the flame-retardant fiber. The rest of the preparation steps are the same as example 2.
Comparative example 2
A low-light-transmittance moisture-absorption curtain mainly comprises 60 parts of flame-retardant fibers and 60 parts of wool fibers in parts by weight.
The preparation method of the low-light-transmittance moisture-absorbing curtain mainly comprises the following preparation steps:
(1) under the stirring conditions of 70 ℃ and 210r/min, mixing 2-vinyl-3-amino m-nitrophenyl isophthalate, distilled water and 37% by mass of alkene hydrochloric acid according to the mass ratio of 1: 1: 0.2 mixing and stirring for 15min, then dripping titanic acid 3-vinyl-4, 5-diamino phenyl ester which is 0.7 time of the mass of the m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester at 70 drops/min, and stirring for 50min at the same temperature and speed to obtain spinning solution; putting the spinning solution into a spinning box, spinning by using a screw extruder under the conditions of 252.5 ℃ and a spinning speed of 1000m/min, and carrying out side-blowing cooling and curing for 35min under the conditions of 17 ℃ and a humidity of 72.5% and a wind speed of 1.15m/s to obtain the flame-retardant fiber;
(2) taking flame-retardant fibers as warp yarns and wool fibers as weft yarns, and mixing the flame-retardant fibers with the wool fibers in a mass ratio of 1: 1, weaving warp yarns and weft yarns, fixing cross-linking points of the warp yarns and the weft yarns by using silver needles, connecting resistance wires with silver needle handles, adjusting the temperature to 100 ℃, heating for 30min, and then pulling out the silver needles to obtain a curtain; soaking the curtain in 7.5 mass percent sodium carbonate solution 7.5 times the mass of the flame-retardant fiber for 25min at 35 ℃, taking out the curtain, rolling for 2 times at 55 ℃, 220m/min rolling speed and 21.5MPa pressure, and naturally cooling to room temperature to obtain a pretreated curtain;
(3) and flatly paving the pretreated curtain in a funnel, pouring a ferric trichloride solution with the mass fraction of 29 percent, which is 15 times of the mass of the pretreated curtain, into the funnel at the rate of 15mL/min under the conditions of 15Pa, 2200MHz and 850W microwaves, carrying out suction filtration for 35min, drying for 1h at the temperature of 45 ℃, and naturally cooling to room temperature to obtain the low-light-transmittance hygroscopic curtain.
Comparative example 3
The formulation of comparative example 3 was the same as that of example 2. The preparation method of the low-light-transmittance moisture-absorption curtain only differs from the preparation method of the low-light-transmittance moisture-absorption curtain in the embodiment 2 in the steps (3) and (4), and the step (3) is modified as follows: the flame-retardant fiber after treatment is warp yarn, the wool fiber is weft yarn, and the weight ratio of the warp yarn to the wool fiber is 1: 1, weaving warp yarns and weft yarns to obtain a curtain; modifying the step (4) as follows: spreading the curtain in a funnel, pouring 29% ferric trichloride solution with the mass fraction 15 times of the mass of the curtain into the funnel at the rate of 15mL/min under the microwave conditions of 15Pa, 2200MHz and 850W, carrying out suction filtration for 35min, drying for 1h at the temperature of 45 ℃, and naturally cooling to room temperature to obtain the low-light-transmittance moisture-absorbing curtain. The rest of the preparation steps are the same as example 2.
Comparative example 4
A low-light-transmittance moisture-absorption curtain mainly comprises 60 parts by weight of post-treated flame-retardant fibers and 60 parts by weight of wool fibers.
The preparation method of the low-light-transmittance moisture-absorbing curtain mainly comprises the following preparation steps:
(1) under the stirring conditions of 70 ℃ and 210r/min, mixing 2-vinyl-3-amino m-nitrophenyl isophthalate, distilled water and 37% by mass of alkene hydrochloric acid according to the mass ratio of 1: 1: 0.2 mixing and stirring for 15min, then dripping titanic acid 3-vinyl-4, 5-diamino phenyl ester which is 0.7 time of the mass of the m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester at 70 drops/min, and stirring for 50min at the same temperature and speed to obtain spinning solution; putting the spinning solution into a spinning box, spinning by using a screw extruder under the conditions of 252.5 ℃ and a spinning speed of 1000m/min, and carrying out side-blowing cooling and curing for 35min under the conditions of 17 ℃ and a humidity of 72.5% and a wind speed of 1.15m/s to obtain the flame-retardant fiber;
(2) under the stirring conditions of 25.5 ℃ and 150r/min, sodium nitrate and hydrochloric acid with the mass fraction of 37 percent are mixed according to the mass ratio of 1: 0.7, mixing and stirring for 15min to obtain a hydrochloric acid mixed solution; carrying out ultrasonic atomization on the mixed solution of hydrochloric acid for 7.5h under the ultrasonic condition of 2050kHz to obtain atomized mixed solution of hydrochloric acid; putting the flame-retardant fiber in a closed container, vacuumizing to 15Pa under the nitrogen atmosphere, heating to 50 ℃, and controlling the temperature to be 0.6m3The mass of the flame-retardant fiber is fed into the flame-retardant fiber at the speed of 5.5 times of the secondCarrying out ultrasonic treatment on the atomized hydrochloric acid mixed solution for 25min at the frequency of 40kHz, taking out, and putting the mixed solution into a corona treatment machine for corona for 2 times under the conditions of the speed of 7m/s and the current intensity of 8A to obtain the post-treated flame-retardant fiber;
(3) the flame-retardant fiber after treatment is warp yarn, the wool fiber is weft yarn, and the weight ratio of the warp yarn to the wool fiber is 1: 1, weaving warp yarns and weft yarns, fixing cross-linking points of the warp yarns and the weft yarns by using silver needles, connecting resistance wires with silver needle handles, adjusting the temperature to 100 ℃, heating for 30min, and then pulling out the silver needles to obtain a curtain; and (2) soaking the curtain in a sodium carbonate solution with 7.5% of mass fraction 7.5 times of the mass of the flame-retardant fiber subjected to post-treatment for 25min at 35 ℃, taking out the curtain, rolling for 2 times at 55 ℃, 220m/min rolling speed and 21.5MPa pressure, naturally cooling to room temperature, drying for 1h at 45 ℃, and naturally cooling to room temperature to obtain the low-light-transmittance moisture-absorbing curtain.
Examples of effects
Table 1 below shows the results of analyzing the formaldehyde degradation rate, the ultraviolet absorptivity, and the moisture absorptivity of the low transmittance moisture absorption curtains prepared by using examples 1 to 3 of the present invention and comparative examples 1 to 4.
TABLE 1
From table 1, it can be seen that the low-transmittance moisture-absorption curtain prepared in examples 1, 2 and 3 can effectively degrade indoor formaldehyde and other harmful gases under illumination, and has good hygroscopicity, ultraviolet absorptivity and flame retardancy; from the comparison of the experimental data of examples 1, 2 and 3 and comparative example 1, it can be found that the flame retardant fiber is prepared by blending and spinning di-2-vinyl-3-amino-m-nitrophenyl isophthalate and 3-vinyl-4, 5-diaminophenyl titanate, the di-2-vinyl-3-amino-m-nitrophenyl isophthalate and 3-vinyl-4, 5-diaminophenyl titanate are hydrolyzed by interaction to generate silica gel and benzimidazole polymer, diazo compound is generated during subsequent ultrasonic atomization corona, benzotriazole compound is generated during needle point heating and tatting, hexaphenol ferrate complex is generated during microwave negative pressure filtration and washing, so that the flame retardant fiber has strong flame retardancy and can effectively degrade harmful gases such as formaldehyde in a room under illumination, and further the flame retardant of a low-light-transmittance moisture-absorbing curtain, the flame retardant fiber is prepared by using the di-2-vinyl-3-amino-3, 5-diaminophenyl titanate, The moisture absorption and ultraviolet absorption are strong, and harmful gases such as indoor formaldehyde and the like can be effectively degraded under illumination; from the experimental data of examples 1, 2 and 3 and comparative examples 2 and 3, it can be found that the low-light-transmittance moisture-absorbing curtain has ultraviolet absorptivity and strong hygroscopicity because the flame-retardant fibers are subjected to ultrasonic atomization corona by using hydrochloric acid solution containing sodium nitrate, amino groups in the flame-retardant fibers react to generate diazonium salts to obtain post-treated flame-retardant fibers, and then the post-treated flame-retardant fibers and wool fibers are woven and subjected to needle point heating and weaving treatment to generate benzotriazole compounds; from the experimental data of examples 1, 2, 3 and comparative example 4, it can be found that the hexaphenol-ferrite complex is generated in the low-transmittance moisture-absorbing curtain after the microwave negative pressure filtration by using the ferric trichloride solution, so that the low-transmittance moisture-absorbing curtain has stronger moisture absorption.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The low-light-transmittance moisture-absorbing curtain is characterized by mainly comprising 40-80 parts by weight of post-treated flame-retardant fibers and 32-96 parts by weight of wool fibers.
2. The low light transmittance moisture absorption curtain as claimed in claim 1, wherein the post-treated flame-retardant fiber is obtained by performing ultrasonic atomization corona treatment on the flame-retardant fiber by using a hydrochloric acid mixed solution.
3. The low light transmittance moisture absorption curtain as claimed in claim 2, wherein the flame retardant fiber is prepared by co-spinning di-2-vinyl-3-amino-m-nitrophenyl isophthalate and 3-vinyl-4, 5-diamino-phenyl titanate.
4. The low light transmittance moisture absorption curtain as claimed in claim 3, wherein the hydrochloric acid mixed solution is obtained by mixing sodium nitrate and hydrochloric acid.
5. The preparation method of the low-light-transmittance moisture-absorbing curtain is characterized by mainly comprising the following preparation steps of:
(1) atomizing the mixed solution of hydrochloric acid, introducing the atomized mixed solution of hydrochloric acid into a closed container containing the flame-retardant fibers, performing ultrasonic treatment, and performing corona treatment to obtain post-treated flame-retardant fibers;
(2) the later-treated flame-retardant fiber is warp yarn, the wool fiber is weft yarn, and the curtain is woven, heated at the needle points, impregnated and rolled to obtain a pretreated curtain;
(3) and (3) paving the pretreated curtain in a funnel, pouring a ferric trichloride solution, and performing suction filtration under a microwave condition to obtain the low-light-transmittance moisture-absorbing curtain.
6. The method for preparing a low-transmittance moisture-absorbing curtain as claimed in claim 5, wherein the method for preparing a low-transmittance moisture-absorbing curtain mainly comprises the following steps:
(1) putting the flame-retardant fiber in a closed container, vacuumizing to 10-20 Pa under the nitrogen atmosphere, heating to 40-60 ℃, and controlling the temperature to be 0.5-0.7 m3Introducing atomized hydrochloric acid mixed solution with the mass 5-6 times that of the flame-retardant fiber at a speed/s, then carrying out ultrasonic treatment for 20-30 min at the frequency of 30-50 kHz, taking out, and placing the fiber into a corona treatment machine for corona 2-3 times under the conditions of the speed of 6-8 m/s and the current intensity of 8A to obtain the post-treated flame-retardant fiber;
(2) the flame-retardant fiber after treatment is warp yarn, the wool fiber is weft yarn, and the weight ratio of the warp yarn to the wool fiber is 1: 0.8-1: 1.2, weaving warp yarns and weft yarns, fixing cross-linking points of the warp yarns and the weft yarns by using silver needles, connecting resistance wires with silver needle handles, adjusting the temperature to 90-110 ℃, heating for 25-35 min, and then pulling out the silver needles to obtain a curtain; soaking the curtain in a sodium carbonate solution with the mass fraction of 5% -10% and 5-10 times of the mass of the flame-retardant fiber subjected to post-treatment for 20-30 min at the temperature of 30-40 ℃, taking out the curtain, rolling for 2-3 times at the rolling speed of 200-240 m/min and the pressure of 21-22 MPa at the temperature of 50-60 ℃, and naturally cooling to room temperature to obtain a pretreated curtain;
(3) spreading the pretreated curtain in a funnel, pouring a ferric trichloride solution with the mass fraction of 28% -30% and the mass fraction of 10-20 times of the mass of the pretreated curtain into the funnel at the speed of 10-20 mL/min under the conditions of 10-20 Pa, 2000-2400 MHz and 800-900W microwaves, performing suction filtration for 30-40 min, drying for 0.8-1.2 h at the temperature of 40-50 ℃, and naturally cooling to room temperature to obtain the low-light-transmittance moisture-absorbing curtain.
7. The method for preparing a low light transmittance moisture absorption curtain as claimed in claim 6, wherein the preparation method of the atomized hydrochloric acid mixed solution in the step (1) is as follows: and carrying out ultrasonic atomization on the mixed solution of hydrochloric acid for 7-8 h under the ultrasonic condition of 1700-2400 kHz to obtain atomized mixed solution of hydrochloric acid.
8. The method for preparing a low light transmittance moisture absorption curtain as claimed in claim 7, wherein the method for preparing the hydrochloric acid mixed solution comprises the following steps: under the stirring condition of 130-170 r/min at 25-26 ℃, mixing sodium nitrate and hydrochloric acid with the mass fraction of 36-38% according to the mass ratio of 1: 0.6-1: 0.8, mixing and stirring for 10-20 min to obtain a hydrochloric acid mixed solution.
9. The method for preparing a low light transmittance moisture absorption curtain as claimed in claim 8, wherein the flame retardant fiber of step (1) is prepared by the following steps: under the stirring condition of 60-80 ℃ and 200-220 r/min, mixing m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester, distilled water and alkene hydrochloric acid with the mass fraction of 36-38% according to the mass ratio of 1: 0.8: 0.1-1: 1.2: 0.3, mixing and stirring for 10-20 min, then dripping 3-vinyl-4, 5-diaminophenyl titanate with the mass of 0.6-0.8 time of that of the m-phthalic acid di-2-vinyl-3-amino m-nitrophenyl ester at 60-80 drops/min, and stirring for 40-60 min at the same temperature and speed to obtain spinning solution; and (3) putting the spinning solution into a spinning box, spinning by using a screw extruder at 230-275 ℃ and a spinning speed of 800-1200 m/min, and carrying out side-blowing cooling and curing for 30-40 min at 14-20 ℃ and a humidity of 60-85% and a wind speed of 0.8-1.5 m/s to obtain the flame-retardant fiber.
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