CN112323211A - Antibacterial ultraviolet-proof fabric and preparation method thereof - Google Patents
Antibacterial ultraviolet-proof fabric and preparation method thereof Download PDFInfo
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- CN112323211A CN112323211A CN202011121127.0A CN202011121127A CN112323211A CN 112323211 A CN112323211 A CN 112323211A CN 202011121127 A CN202011121127 A CN 202011121127A CN 112323211 A CN112323211 A CN 112323211A
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- bamboo pulp
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- 239000004744 fabric Substances 0.000 title claims abstract description 48
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000000835 fiber Substances 0.000 claims abstract description 165
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 148
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 148
- 241001330002 Bambuseae Species 0.000 claims abstract description 148
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 148
- 239000011425 bamboo Substances 0.000 claims abstract description 148
- 238000013329 compounding Methods 0.000 claims abstract description 18
- 125000003172 aldehyde group Chemical group 0.000 claims abstract description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 7
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 12
- JQWHASGSAFIOCM-UHFFFAOYSA-M sodium periodate Chemical compound [Na+].[O-]I(=O)(=O)=O JQWHASGSAFIOCM-UHFFFAOYSA-M 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 10
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000012948 isocyanate Substances 0.000 claims description 4
- 150000002513 isocyanates Chemical class 0.000 claims description 4
- 240000000047 Gossypium barbadense Species 0.000 claims description 2
- 235000009429 Gossypium barbadense Nutrition 0.000 claims description 2
- 239000004753 textile Substances 0.000 abstract description 6
- 230000000052 comparative effect Effects 0.000 description 12
- 238000012360 testing method Methods 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000002834 transmittance Methods 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000006750 UV protection Effects 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 3
- 108090000790 Enzymes Proteins 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000013538 functional additive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000985 reactive dye Substances 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005882 aldol condensation reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- 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
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- 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
- D06M11/30—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 oxides of halogens, oxyacids of halogens or their salts, e.g. with perchlorates
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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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
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
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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
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
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- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
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- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/828—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl groups
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Abstract
The invention belongs to the technical field of textile fabrics, and particularly relates to an antibacterial ultraviolet-proof fabric and a preparation method thereof. The fabric product developed by the invention comprises bamboo pulp fibers; the bamboo pulp fiber is a hollow bamboo pulp fiber; the bamboo pulp fiber is formed by compounding a first hollow bamboo pulp fiber, a second hollow bamboo pulp fiber and a third hollow bamboo pulp fiber; the diameter of the hollow gap of the first hollow bamboo pulp fiber is 0.01-0.05mm, the diameter of the hollow gap of the second hollow bamboo pulp fiber is 0.06-0.1mm, and the diameter of the hollow gap of the third hollow bamboo pulp fiber is 0.2-0.5 mm; and nano titanium dioxide is adsorbed on the inner surface of the gap. Wherein the bamboo pulp fiber is oxidized bamboo pulp fiber; after the oxidized bamboo pulp fiber is oxidized, at least partial hydroxyl on the surface of the bamboo pulp fiber is oxidized into aldehyde group; and the aldehyde group is combined with the residual hydroxyl on the surface of the hollow bamboo pulp fiber, so that the hollow bamboo pulp fibers are compounded. The product obtained by the invention has excellent antibacterial and ultraviolet-proof functions.
Description
Technical Field
The invention belongs to the technical field of textile fabrics. More particularly, relates to an antibacterial ultraviolet-proof fabric and a preparation method thereof.
Background
Along with the trend of low-carbon and environment-friendly consumption trend, the textile is also developed towards a composite functional type direction which is more in line with the public health requirements, green ecology and the like, and the development trend of the textile fabric in the world is also the trend of the current. People's movement advocates, and the change of masses' life style is all influencing market demand, and fashion has been integrated with people's fashion of life, becomes a part of people's life. The fashionable and healthy outdoor sports of consumers arouse the innovation of the fabric, and textile enterprises are required to develop more functional comfortable outdoor sports fabric.
Outdoor exercises often have higher strength, and a large amount of human sweat is discharged, so that certain requirements are imposed on the wearing comfort. Particularly, the summer outdoor sportswear fabric generally needs to have the functions of moisture absorption, quick drying, antibiosis, comfort and the like, and preferably has a certain ultraviolet-proof function for protecting the skin of a human body. When the summer outdoor sports fabric is designed and developed, the consideration of the functionality is considered in the aspect of raw material selection.
However, when the existing fabric product realizes the antibacterial and ultraviolet-proof functions, the functional additives are usually added into the fibers or on the surface of the fabric, so that the performance of the fabric is easily influenced, meanwhile, the adhesion force of the functional additives adhered to the surface is poor, and the antibacterial and ultraviolet-proof performance of the product is remarkably reduced along with the prolonging of the service time; therefore, how to develop a fabric product which can effectively exert stable antibacterial and ultraviolet-proof performances for a long time becomes one of the bottleneck problems restricting the technical development in the field.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defect and the defect that the corresponding performance of the fabric required by the existing outdoor sports products is obviously reduced because the antibacterial and ultraviolet-proof functions of the fabric are easy to lose along with the loss of a functional additive, and provides an antibacterial and ultraviolet-proof fabric and a preparation method thereof.
The invention aims to provide an antibacterial ultraviolet-proof fabric.
The invention also aims to provide a preparation method of the antibacterial ultraviolet-proof fabric.
The above purpose of the invention is realized by the following technical scheme:
an antibacterial ultraviolet-proof fabric comprises bamboo pulp fibers;
the bamboo pulp fiber is a hollow bamboo pulp fiber;
the bamboo pulp fiber is formed by compounding a first hollow bamboo pulp fiber, a second hollow bamboo pulp fiber and a third hollow bamboo pulp fiber;
the diameter of the hollow gap of the first hollow bamboo pulp fiber is 0.01-0.05mm, the diameter of the hollow gap of the second hollow bamboo pulp fiber is 0.06-0.1mm, and the diameter of the hollow gap of the third hollow bamboo pulp fiber is 0.2-0.5 mm;
and nano titanium dioxide is adsorbed on the inner surface of the gap.
According to the technical scheme, the bamboo pulp fiber with the hollow structure is used as one of the fabric fibers, and firstly, the bamboo pulp fiber has better antibacterial, deodorant and ultraviolet-resistant functions compared with common plant fibers; by further adopting the bamboo pulp fiber with the hollow structure and adsorbing the nano titanium dioxide on the surface of the hole wall of the hollow structure, the ultraviolet rays can be effectively weakened and absorbed gradually through multiple reflection or refraction inside the bamboo pulp fiber, so that the adverse effect of the ultraviolet rays on the skin of a human body is effectively avoided; in addition, the bamboo pulp fibers are synergistic through the pores with different diameters, and the pores with different diameters are beneficial to utilizing the difference of reflectivity and refractive index of the bamboo pulp fibers, so that ultraviolet rays can still be dissipated between the fibers, and the ultraviolet resistance of the product is further improved.
Further, the fabric also comprises combed long staple cotton.
By adding the combed long stapled cotton, the comfort degree of the finished fabric product to the skin of a human body is favorably improved.
Further, the bamboo pulp fiber is oxidized bamboo pulp fiber.
Further, after the oxidized bamboo pulp fiber is oxidized, at least part of hydroxyl on the surface of the bamboo pulp fiber is oxidized into aldehyde group.
Further, the first hollow bamboo pulp fiber, the second hollow bamboo pulp fiber and the third hollow bamboo pulp fiber are combined with each other through the aldehyde group and the hydroxyl group to form the bamboo pulp fiber.
According to the technical scheme, the aldehyde group is introduced into the surface of the bamboo pulp fiber, so that the aldehyde group and the hydroxyl group originally carried by the surface of the bamboo pulp fiber are subjected to aldol condensation reaction, the bonding connection between the fiber and the fiber is completed in a chemical bonding mode, the cohesive force between the fiber and the fiber is effectively improved, the loosening between the bamboo pulp fiber and the fiber in the using process of a product is effectively avoided, the strength of the product is influenced, and particularly, the stability of the product on the ultraviolet dissipation capacity is influenced after the fiber and the fiber are loosened.
A preparation method of an antibacterial ultraviolet-proof fabric comprises the following specific preparation steps:
pretreatment of bamboo pulp fibers:
soaking bamboo pulp fiber in water, equally dividing into three parts, respectively naturally drying until the water content is 3-5% (marked as first bamboo pulp fiber), 6-8% (marked as second bamboo pulp fiber), and 9-12% (marked as third bamboo pulp fiber);
modification of bamboo pulp fiber:
according to the weight parts, 20-30 parts of first bamboo pulp fiber, 30-40 parts of second bamboo pulp fiber, 40-60 parts of third bamboo pulp fiber, 9-15 parts of isocyanate and 8-10 parts of tetrabutyl titanate are sequentially taken, mixed and reacted for 3-5 hours under the conditions that the pressure is 2.0-5.0MPa, the temperature is 75-85 ℃, the stirring speed is 300-plus-one 500r/min, the pressure is relieved to normal pressure, the material is discharged, and the material is dried to constant weight, so that the modified bamboo pulp fiber is obtained.
According to the technical scheme, the moisture content in the bamboo fiber in the pretreatment process is effectively controlled, in the natural drying process, firstly, the volatilization of the moisture on the surface of the fiber occurs, the volatilization of the free moisture in the fiber tissue cells is slow, the reaction degree of isocyanate and tetrabutyl titanate in the fiber tissue cells is controlled by controlling different moisture contents in the fiber tissue cells, wherein the water and the isocyanate generate titanium dioxide gas after the reaction in the cells to cause the cells to expand and even break, so that the hollow structure in the fiber is formed, the more the moisture is left, the more the gas is generated, and the larger the pore in the fiber is; and partial moisture reacts with tetrabutyl titanate to form nanometer titanium dioxide, and by cell internal surface adsorption fixed, when effectively playing the reinforcing effect, promote inside scattering and refraction effect to ultraviolet ray, when promoting the ultraviolet resistance effect of product, can also improve the antibacterial effect of product.
Further, the specific preparation steps further comprise:
blending the modified bamboo pulp fiber and the combed cotton fiber.
Further, the specific preparation steps further comprise:
carrying out oxidation treatment on the bamboo pulp fiber:
mixing bamboo pulp fiber and sodium periodate solution according to a mass ratio of 1: 1-1: 5, heating and stirring for reaction after mixing, and then filtering, washing and drying to obtain the oxidized bamboo pulp fiber.
Further, the specific preparation steps further comprise:
thermally compounding the oxidized bamboo pulp fibers:
and (3) hot-pressing and compounding the oxidized bamboo pulp fibers for 20-50min under the conditions that the pressure is 3.0-4.0MPa and the temperature is 85-95 ℃, thus finishing the thermal compounding of the oxidized bamboo pulp fibers.
Detailed Description
The present invention is further illustrated by the following specific examples, which are not intended to limit the invention in any way. Reagents, methods and apparatus used in the present invention are conventional in the art unless otherwise indicated.
Unless otherwise indicated, reagents and materials used in the following examples are commercially available.
Example 1
Carrying out oxidation treatment on the bamboo pulp fiber:
mixing bamboo pulp fiber and sodium periodate solution with the mass fraction of 3% according to the mass ratio of 1: 1, heating, stirring and reacting for 1h at the temperature of 60 ℃ and the rotating speed of 400r/min, filtering, washing and drying to obtain oxidized bamboo pulp fibers;
thermally compounding the oxidized bamboo pulp fibers:
carrying out hot-pressing compounding on the oxidized bamboo pulp fiber for 20min under the conditions that the pressure is 3.0MPa and the temperature is 85 ℃, thus finishing the hot compounding of the oxidized bamboo pulp fiber;
pretreatment of bamboo pulp fibers:
soaking the thermally compounded oxidized bamboo pulp fiber in water for 3h, equally dividing into three parts, and respectively naturally drying until the water content is 3% (marked as first bamboo pulp fiber), 6% (marked as second bamboo pulp fiber) and 9% (marked as third bamboo pulp fiber);
modification of bamboo pulp fiber:
according to the weight parts, 20 parts of first bamboo pulp fiber, 30 parts of second bamboo pulp fiber, 40 parts of third bamboo pulp fiber, 9 parts of toluene diisocyanate and 8 parts of tetrabutyl titanate are sequentially taken, mixed, reacted for 3 hours under the conditions that the pressure is 2.0MPa, the temperature is 75 ℃ and the stirring speed is 300r/min, decompressed to normal pressure, discharged and dried to constant weight, and the modified bamboo pulp fiber is obtained;
blending the modified bamboo pulp fiber 65 and the combed cotton fiber 35 according to 10.5tex to obtain blended yarn;
weaving the blended yarn into fabric according to 4F + 4F;
and (3) performing unhairing treatment on the obtained fabric for 45min by using 0.5g/L polishing enzyme solution, pretreating the fabric for 45min by using 0.2g/L sodium hydroxide and 3g/L hydrogen peroxide solution at 85 ℃, dyeing by using reactive dye at 50 ℃, and performing tentering setting at 120 ℃ to obtain the antibacterial ultraviolet-proof fabric.
Example 2
Carrying out oxidation treatment on the bamboo pulp fiber:
mixing bamboo pulp fiber and sodium periodate solution with the mass fraction of 4% according to the mass ratio of 1: 2, mixing, heating, stirring and reacting for 1.5h at the temperature of 65 ℃ and the rotating speed of 500r/min, filtering, washing and drying to obtain the oxidized bamboo pulp fiber;
thermally compounding the oxidized bamboo pulp fibers:
carrying out hot-pressing compounding on the oxidized bamboo pulp fibers for 30min under the conditions that the pressure is 3.5MPa and the temperature is 90 ℃, thus finishing the hot compounding of the oxidized bamboo pulp fibers;
pretreatment of bamboo pulp fibers:
soaking the thermally compounded oxidized bamboo pulp fiber in water for 4h, equally dividing into three parts, and respectively naturally drying until the water content is 4% (marked as first bamboo pulp fiber), 7% (marked as second bamboo pulp fiber) and 10% (marked as third bamboo pulp fiber);
modification of bamboo pulp fiber:
according to the weight parts, 25 parts of first bamboo pulp fiber, 35 parts of second bamboo pulp fiber, 45 parts of third bamboo pulp fiber, 12 parts of diphenylmethane diisocyanate and 9 parts of tetrabutyl titanate are sequentially taken, mixed, reacted for 4 hours under the conditions that the pressure is 3.0MPa, the temperature is 80 ℃, the stirring speed is 400r/min, then decompressed to normal pressure, discharged and dried to constant weight, and the modified bamboo pulp fiber is obtained;
blending the modified bamboo pulp fiber 65 and the combed cotton fiber 35 according to 10.8tex to obtain blended yarn;
weaving the blended yarn into fabric according to 4F + 4F;
and (3) performing unhairing treatment on the obtained fabric for 50min by using 0.6g/L polishing enzyme solution, pretreating the fabric for 50min by using 0.3g/L sodium hydroxide and 4g/L hydrogen peroxide solution at 90 ℃, dyeing by using reactive dye at 55 ℃, and performing tentering setting at 130 ℃ to obtain the antibacterial ultraviolet-proof fabric.
Example 3
Carrying out oxidation treatment on the bamboo pulp fiber:
mixing bamboo pulp fiber and sodium periodate solution with the mass fraction of 5% according to the mass ratio of 1: 5, mixing, heating, stirring and reacting for 2 hours at the temperature of 80 ℃ and the rotating speed of 600r/min, filtering, washing and drying to obtain oxidized bamboo pulp fibers;
thermally compounding the oxidized bamboo pulp fibers:
carrying out hot-pressing compounding on the oxidized bamboo pulp fiber for 50min under the conditions that the pressure is 4.0MPa and the temperature is 95 ℃, thus finishing the hot compounding of the oxidized bamboo pulp fiber;
pretreatment of bamboo pulp fibers:
soaking the thermally compounded oxidized bamboo pulp fiber in water for 5h, equally dividing into three parts, and respectively naturally drying until the water content is 5% (marked as first bamboo pulp fiber), 8% (marked as second bamboo pulp fiber) and 12% (marked as third bamboo pulp fiber);
modification of bamboo pulp fiber:
according to the weight parts, 30 parts of first bamboo pulp fiber, 40 parts of second bamboo pulp fiber, 60 parts of third bamboo pulp fiber, 15 parts of isophorone diisocyanate and 10 parts of tetrabutyl titanate are sequentially taken, mixed and reacted for 5 hours under the conditions that the pressure is 5.0MPa, the temperature is 85 ℃, the stirring speed is 500r/min, the pressure is relieved to normal pressure, the material is discharged, and the material is dried to constant weight, so that the modified bamboo pulp fiber is obtained;
blending the modified bamboo pulp fiber 65 and the combed cotton fiber 35 according to 11.5tex to obtain blended yarn;
weaving the blended yarn into fabric according to 4F + 4F;
and (3) performing unhairing treatment on the obtained fabric for 60min by using a 1.0g/L polishing enzyme solution, pretreating the fabric for 60min by using 0.5g/L sodium hydroxide and 5g/L hydrogen peroxide solution at the temperature of 95 ℃, dyeing by using a reactive dye at the temperature of 60 ℃, and performing tentering setting at the temperature of 150 ℃ to obtain the antibacterial ultraviolet-proof fabric.
Comparative example 1
This comparative example differs from example 1 in that: toluene diisocyanate was not added and the remaining conditions were kept unchanged.
Comparative example 2
This comparative example differs from example 1 in that: the tetrabutyl titanate is replaced by the tetraethoxysilane with equal mass, and the rest conditions are kept unchanged.
Comparative example 3
This comparative example differs from example 1 in that: the bamboo pulp fiber is not oxidized by using sodium periodate solution, and the rest conditions are kept unchanged.
The products obtained in examples 1 to 3 and comparative examples 1 to 3 were subjected to performance tests, and the specific test methods and test results were as follows:
the products of examples 1-3 and comparative examples 1-3 are tested according to FZ/T73023-2006 antibacterial knitwear, and the antibacterial rate is 1; repeatedly washing the product with clear water for 1h, and testing with the above standard to obtain antibacterial rate of 2; specific test results are shown in table 1:
table 1: test result of antibacterial rate of product
As can be seen from the test results in Table 1, the product obtained by the technical scheme of the invention has excellent antibacterial stability.
The products of examples 1-3 and comparative examples 1-3 are tested according to GB/T18830-2009 evaluation of ultraviolet resistance performance of textiles, and UVA transmittance 1 and UVB transmittance 1 are obtained through testing; and repeatedly washing the product for 1h by using clean water, and then testing by referring to the standard again to obtain UVA transmittance 2 and UVB transmittance 2, wherein the specific test results are shown in Table 2:
table 2: ultraviolet resistance test result of product
| UVA transmittance 1 | UVB transmittance 1 | UVA transmittance 2 | UVB transmittance 2 | |
| Example 1 | 1.41％ | 0.31％ | 1.40％ | 0.31％ |
| Example 2 | 1.39％ | 0.29％ | 1.39％ | 0.28％ |
| Example 3 | 1.36％ | 0.28％ | 1.36％ | 0.28％ |
| Comparative example 1 | 5.62％ | 1.56％ | 5.85％ | 1.58％ |
| Comparative example 2 | 1.68％ | 0.56％ | 1.69％ | 0.57％ |
| Comparative example 3 | 1.49％ | 0.35％ | 3.56％ | 0.96％ |
The test results in table 2 show that the product obtained by the technical scheme of the invention has excellent uvioresistant performance and stable performance.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (9)
1. The antibacterial ultraviolet-proof fabric is characterized by comprising bamboo pulp fibers;
the bamboo pulp fiber is a hollow bamboo pulp fiber;
the bamboo pulp fiber is formed by compounding a first hollow bamboo pulp fiber, a second hollow bamboo pulp fiber and a third hollow bamboo pulp fiber;
the diameter of the hollow gap of the first hollow bamboo pulp fiber is 0.01-0.05mm, the diameter of the hollow gap of the second hollow bamboo pulp fiber is 0.06-0.1mm, and the diameter of the hollow gap of the third hollow bamboo pulp fiber is 0.2-0.5 mm;
and nano titanium dioxide is adsorbed on the inner surface of the gap.
2. The antibacterial and ultraviolet-proof fabric according to claim 1, wherein the fabric further comprises combed long staple cotton.
3. The antibacterial ultraviolet-proof fabric as claimed in claim 1, wherein the bamboo pulp fibers are oxidized bamboo pulp fibers.
4. The antibacterial ultraviolet-proof fabric as claimed in claim 3, wherein after the oxidized bamboo pulp fiber is oxidized, at least a part of hydroxyl groups on the surface of the bamboo pulp fiber are oxidized into aldehyde groups.
5. The antibacterial ultraviolet-proof fabric as claimed in claim 4, wherein the first hollow bamboo pulp fiber, the second hollow bamboo pulp fiber and the third hollow bamboo pulp fiber are combined with each other through the aldehyde group and the hydroxyl group to form the bamboo pulp fiber.
6. The preparation method of the antibacterial ultraviolet-proof fabric is characterized by comprising the following specific preparation steps:
pretreatment of bamboo pulp fibers:
soaking bamboo pulp fiber in water, equally dividing into three parts, respectively naturally drying until the water content is 3-5% (marked as first bamboo pulp fiber), 6-8% (marked as second bamboo pulp fiber), and 9-12% (marked as third bamboo pulp fiber);
modification of bamboo pulp fiber:
according to the weight parts, 20-30 parts of first bamboo pulp fiber, 30-40 parts of second bamboo pulp fiber, 40-60 parts of third bamboo pulp fiber, 9-15 parts of isocyanate and 8-10 parts of tetrabutyl titanate are sequentially taken, mixed and reacted for 3-5 hours under the conditions that the pressure is 2.0-5.0MPa, the temperature is 75-85 ℃, the stirring speed is 300-plus-one 500r/min, the pressure is relieved to normal pressure, the material is discharged, and the material is dried to constant weight, so that the modified bamboo pulp fiber is obtained.
7. The preparation method of the antibacterial ultraviolet-proof fabric according to claim 6, wherein the specific preparation steps further comprise:
blending the modified bamboo pulp fiber and the combed cotton fiber.
8. The preparation method of the antibacterial ultraviolet-proof fabric according to claim 6, wherein the specific preparation steps further comprise:
carrying out oxidation treatment on the bamboo pulp fiber:
mixing bamboo pulp fiber and sodium periodate solution according to a mass ratio of 1: 1-1: 5, heating and stirring for reaction after mixing, and then filtering, washing and drying to obtain the oxidized bamboo pulp fiber.
9. The preparation method of the antibacterial ultraviolet-proof fabric according to claim 8, wherein the specific preparation steps further comprise:
thermally compounding the oxidized bamboo pulp fibers:
and (3) hot-pressing and compounding the oxidized bamboo pulp fibers for 20-50min under the conditions that the pressure is 3.0-4.0MPa and the temperature is 85-95 ℃, thus finishing the thermal compounding of the oxidized bamboo pulp fibers.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114990758A (en) * | 2022-06-07 | 2022-09-02 | 东华大学 | Preparation method of thick autumn and winter warm-keeping elastic fabric containing Porel fibers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114990758A (en) * | 2022-06-07 | 2022-09-02 | 东华大学 | Preparation method of thick autumn and winter warm-keeping elastic fabric containing Porel fibers |
| CN114990758B (en) * | 2022-06-07 | 2023-10-20 | 东华大学 | Preparation method of thick autumn and winter thermal elastic fabric containing Portel fibers |
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