CN115233357B - Breathable moisture-absorbing hemp fabric and preparation method thereof - Google Patents
Breathable moisture-absorbing hemp fabric and preparation method thereof Download PDFInfo
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- CN115233357B CN115233357B CN202210699688.1A CN202210699688A CN115233357B CN 115233357 B CN115233357 B CN 115233357B CN 202210699688 A CN202210699688 A CN 202210699688A CN 115233357 B CN115233357 B CN 115233357B
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- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 168
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 title claims abstract description 168
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 title claims abstract description 168
- 235000009120 camo Nutrition 0.000 title claims abstract description 168
- 235000005607 chanvre indien Nutrition 0.000 title claims abstract description 168
- 239000011487 hemp Substances 0.000 title claims abstract description 168
- 239000004744 fabric Substances 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000000835 fiber Substances 0.000 claims abstract description 182
- 229920000433 Lyocell Polymers 0.000 claims abstract description 55
- 238000002156 mixing Methods 0.000 claims abstract description 30
- 102000004190 Enzymes Human genes 0.000 claims abstract description 24
- 108090000790 Enzymes Proteins 0.000 claims abstract description 24
- 229920000742 Cotton Polymers 0.000 claims description 29
- 229920000297 Rayon Polymers 0.000 claims description 28
- 229920001577 copolymer Polymers 0.000 claims description 25
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- 239000011259 mixed solution Substances 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 12
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000009210 therapy by ultrasound Methods 0.000 claims description 12
- 229920005610 lignin Polymers 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 claims description 9
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- PIZHFBODNLEQBL-UHFFFAOYSA-N 2,2-diethoxy-1-phenylethanone Chemical compound CCOC(OCC)C(=O)C1=CC=CC=C1 PIZHFBODNLEQBL-UHFFFAOYSA-N 0.000 claims description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 13
- 230000035699 permeability Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 229920001277 pectin Polymers 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001814 pectin Substances 0.000 description 2
- 235000010987 pectin Nutrition 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- D03D15/208—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 cellulose-based
- D03D15/217—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 cellulose-based natural from plants, e.g. cotton
-
- 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
- D03D15/208—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 cellulose-based
- D03D15/225—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 cellulose-based artificial, e.g. viscose
-
- 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
- D03D15/40—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 structure of the yarns or threads
- D03D15/47—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 structure of the yarns or threads multicomponent, e.g. blended yarns or threads
-
- 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
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/18—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation
- D06M14/20—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of natural origin
- D06M14/22—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of natural origin of vegetal origin, e.g. cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The application discloses a breathable and moisture-absorbing hemp fabric and a preparation method thereof, and belongs to the field of hemp fabrics. A breathable and moisture-absorbing hemp fabric is formed by blending hemp fibers and tencel fibers, wherein warp yarns of the hemp fabric are formed by blending hemp fibers and tencel fibers according to a weight ratio of 1 (1.5-2.3), and weft yarns of the hemp fabric are hemp fibers. The preparation method of the breathable and moisture-absorbing hemp fabric comprises the following steps: adding hemp fibers into an enzyme solution for degumming to obtain degummed hemp fibers; mixing tencel fibers and part of degummed hemp fibers, and twisting into mixed yarns to obtain warp yarns; twisting the rest degummed hemp fiber into yarn to obtain weft yarn; and interweaving the warp yarn and the weft yarn to obtain the breathable moisture-absorbing hemp fabric. The linen fabric has soft body feeling and has the advantage of improving wearing comfort.
Description
Technical Field
The application relates to the field of hemp fabrics, in particular to a breathable and moisture-absorbing hemp fabric and a preparation method thereof.
Background
With the increasing importance of consumers on the clothing concepts of "green" and "natural", the development and utilization of natural fiber raw materials are increasingly receiving market attention, and fibrilia belonging to natural fibers, such as flax fibers and hemp fibers, are also increasingly favored, so that not only are natural and healthy, but also the pursuit of people on clothing individualization is satisfied.
The hemp fiber is fiber produced by hemp degumming and other processes, and the hemp is an ecological, environment-friendly and renewable multipurpose plant and has a restoration function on soil. The hemp fiber has excellent moisture absorption and dissipation performance, and has incomparable advantages in terms of ventilation and heat transfer, and the hemp fiber also has antibacterial and mildew-proof properties, so that more and more fabrics and fabrics are manufactured from the hemp fiber on the market at present, and the hemp fiber can be blended with cotton and chemical fiber.
However, the hemp fiber is coarse and hard in property and uneven in length and fineness, so that the fabric made of the hemp fiber has the problem of harder hand feeling, and the wearing comfort is affected.
Disclosure of Invention
In order to enable the linen fabric to have soft body feeling and improve wearing comfort, the application provides a breathable and moisture-absorbing linen fabric and a preparation method thereof.
In a first aspect, the present application provides a breathable and hygroscopic hemp fabric, which adopts the following technical scheme:
a breathable and moisture-absorbing hemp fabric is formed by blending hemp fibers and tencel fibers, wherein warp yarns of the hemp fabric are formed by blending the hemp fibers and the tencel fibers according to the weight ratio of 1 (1.5-2.3), and weft yarns of the hemp fabric are the hemp fibers.
By adopting the technical scheme, the tencel fiber is the artificial fiber prepared from the natural cellulose, has the advantages of moisture absorption, ventilation, softness and smoothness, is suitable for being blended with the hemp fiber, improves the defects of rough surface and harder hand feeling of the hemp fiber, enables a hemp fabric finished product to be smoother and softer, improves wearing comfort, and enables warp yarns to be blended by the hemp fiber and the tencel fiber according to the weight ratio range, so that good ventilation property of the hemp fabric can be maintained, and the comprehensive performance of the hemp fabric is more excellent.
In a second aspect, the preparation method of the breathable and hygroscopic hemp fabric provided by the application adopts the following technical scheme:
the preparation method of the breathable and moisture-absorbing hemp fabric comprises the following steps:
adding hemp fibers into an enzyme solution for degumming to obtain degummed hemp fibers;
mixing tencel fibers and part of degummed hemp fibers, and twisting into mixed yarns to obtain warp yarns;
twisting the rest degummed hemp fiber into yarn to obtain weft yarn;
and interweaving the warp yarn and the weft yarn to obtain the breathable moisture-absorbing hemp fabric.
By adopting the technical scheme, the enzyme solution is helpful for removing lignin, pectin and other harmful colloid in the hemp fiber; the tencel fiber and the hemp fiber are blended into warp yarn and hemp fiber is used as weft yarn, so that the breathable hemp fabric with smooth hand feeling can be obtained.
Optionally, the tencel fiber is pretreated by the following pretreatment method: soaking tencel fibers into the glycidyl methacrylate copolymer mixed solution, carrying out ultrasonic treatment at 65-75 ℃ for 10-60 min, and taking out the tencel fibers to finish pretreatment.
By adopting the technical scheme, the tencel fiber contains a large number of hydrophilic hydroxyl groups, the glycidyl methacrylate copolymer contains epoxy groups, the glycidyl methacrylate copolymer can be grafted on the tencel fiber under the heating and ultrasonic treatment conditions, the grafted tencel fiber has strong bonding force with the hemp fiber, the tearing strength of the hemp fabric is improved, and the good air permeability of the hemp fabric is still maintained.
Optionally, the preparation method of the glycidyl methacrylate cyclic copolymer mixed solution comprises the following steps: mixing glycidyl methacrylate, ethylene glycol dimethacrylate and 2, 2-diethoxyacetophenone under stirring, reacting for 5-25 min under ultraviolet radiation, adding methanol, stirring after the reaction is finished, filtering, collecting a filter body, drying the filter body, and adding the filter body into water to prepare a glycidyl methacrylate copolymer mixed solution, wherein the weight ratio of the glycidyl methacrylate to the ethylene glycol dimethacrylate to the 2, 2-diethoxyacetophenone is 1 (0.64-0.7) (0.005-0.008).
By adopting the technical scheme, under the action of ultraviolet radiation polymerization mode, the glycidyl methacrylate ring copolymer is obtained under the crosslinking of ethylene glycol dimethacrylate, and the epoxy groups of the glycidyl methacrylate ring copolymer are rich, so that the glycidyl methacrylate ring copolymer is beneficial to grafting on tencel fibers so as to improve the binding force of the tencel fibers and hemp fibers.
Optionally, the enzyme solution includes pectase and lignin enzyme.
By adopting the technical scheme, pectic enzyme and lignin enzyme can degrade pectin and lignin in the hemp fiber, so as to achieve the degumming effect.
Optionally, in the step of preparing the weft yarn, viscose cotton fibers are also added: the viscose cotton fiber and the rest degummed hemp fiber are mixed according to the weight ratio of (0.35-0.5): 1 and twisted into mixed yarn to prepare the weft yarn.
By adopting the technical scheme, the viscose cotton type fiber is added, so that the dyeing property of the hemp fabric is improved, the hemp fabric is not easy to fade, the problem that the weft yarn of the hemp fiber is fragile and easy to break is solved, and the softness of the hemp fabric is improved.
Optionally, the warp yarn arrangement density of the linen is 360-385 pieces/10 cm, and the weft yarn arrangement density of the linen is 245-260 pieces/10 cm.
By adopting the technical scheme, on the basis that the warp yarn formed by mixing and twisting the tencel fiber and the hemp fiber is interwoven with the weft yarn formed by mixing and twisting the hemp fiber and the viscose fiber, the warp yarn and the weft yarn have better air permeability when the arrangement density is within the arrangement density range.
Optionally, before the viscose-cotton fiber and the residual degummed hemp fiber are mixed, adding the viscose-cotton fiber and the residual degummed hemp fiber into acetone, adding nano titanium dioxide particles, performing ultrasonic treatment for 30-60 min after mixing, taking out the viscose-cotton fiber and the residual degummed hemp fiber, drying, and twisting the viscose-cotton fiber and the residual degummed hemp fiber into a mixed yarn, wherein the weight ratio of the residual degummed hemp fiber to the nano titanium dioxide particles is (0.02-0.05).
By adopting the technical scheme, the nano titanium dioxide particles are doped between the hemp fiber and the viscose cotton fiber, so that the bonding strength of the weft yarn is improved.
In summary, the present application has the following beneficial effects:
1. the warp yarn formed by mixing and twisting the tencel fiber and the hemp fiber is the artificial fiber prepared by taking natural cellulose as a raw material, the tencel fiber has the advantages of moisture absorption, ventilation, softness and smoothness, is suitable for being blended with the hemp fiber, improves the defects of rough surface and harder hand feeling of the hemp fiber, enables a hemp fabric finished product to be smoother and softer, improves the wearing comfort, and can keep good ventilation characteristic of the hemp fabric by blending the hemp fiber and the tencel fiber according to the weight ratio range so as to ensure that the comprehensive performance of the hemp fabric is more excellent.
2. The application adopts the glycidyl methacrylate copolymer mixed solution to carry out grafting modification on the tencel fiber, improves the binding force of the tencel fiber and the hemp fiber, and improves the tearing strength of the hemp fabric.
Detailed Description
The present application is described in further detail below in connection with examples and comparative examples.
Preparation example
Preparation example 1
The preparation method of the glycidyl methacrylate cyclic copolymer mixed solution comprises the following steps:
1000g of glycidyl methacrylate, 640g of ethylene glycol dimethacrylate, 5g of 2, 2-diethoxyacetophenone, 5L of methanol and 20L of water were weighed out.
Adding glycidyl methacrylate, ethylene glycol dimethacrylate and 2, 2-diethoxyacetophenone into a reaction bottle, stirring and mixing, placing the reaction bottle under an ultraviolet lamp for exposure, reacting for 5min, adding methanol after the reaction is finished, stirring, filtering, collecting a filter body, drying the filter body in a 50 ℃ oven for 20min, and then adding the filter body into water to prepare the glycidyl methacrylate copolymer mixed solution.
Preparation example 2
The preparation method of the glycidyl methacrylate cyclic copolymer mixed solution comprises the following steps:
1000g of glycidyl methacrylate, 700g of ethylene glycol dimethacrylate, 8g of 2, 2-diethoxyacetophenone, 5L of methanol and 20L of water were weighed out.
Adding glycidyl methacrylate, ethylene glycol dimethacrylate and 2, 2-diethoxyacetophenone into a reaction bottle, stirring and mixing, placing the reaction bottle under an ultraviolet lamp for exposure, reacting for 25min, adding methanol after the reaction is finished, stirring, filtering, collecting a filter body, drying the filter body in a 50 ℃ oven for 20min, and then adding the filter body into water to prepare the glycidyl methacrylate copolymer mixed solution.
Examples
Example 1
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
s1, adding hemp fibers into an enzyme solution, soaking and carrying out ultrasonic treatment for 30min, taking out, and drying to obtain degummed hemp fibers.
The enzyme solution comprises pectase and lignin enzyme, wherein the concentration of the pectase is 10g/L, the enzyme activity of the pectase is 5000U/g, the concentration of the lignin enzyme is 25g/L, and the enzyme activity of the lignin enzyme is 10000U/g.
S2, mixing tencel fibers and half degummed hemp fibers, and twisting into mixed yarns to obtain warp yarns.
Wherein, the tencel fiber is selected from A100 tencel fiber, the weight ratio of hemp fiber to tencel fiber is 1:1.5, the average length of tencel fiber is 48mm, and the average length of hemp fiber is 21mm.
S3, twisting half degummed hemp fibers into yarns to obtain weft yarns.
S4, interweaving the warp yarns and the weft yarns to obtain the breathable moisture-absorbing hemp fabric.
Wherein, the warp yarn arrangement density of the linen fabric is 340 pieces/10 cm, and the weft yarn arrangement density of the linen fabric is 285 pieces/10 cm.
Example 2
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
s1, adding hemp fibers into an enzyme solution, soaking and carrying out ultrasonic treatment for 30min, taking out, and drying to obtain degummed hemp fibers.
The enzyme solution comprises pectase and lignin enzyme, wherein the concentration of the pectase is 10g/L, the enzyme activity of the pectase is 5000U/g, the concentration of the lignin enzyme is 25g/L, and the enzyme activity of the lignin enzyme is 10000U/g.
S2, twisting half degummed hemp fibers into yarns to obtain weft yarns.
S3, mixing tencel fibers and half degummed hemp fibers, and twisting into mixed yarns to obtain warp yarns.
Wherein, the tencel fiber is selected from A100 tencel fiber, the weight ratio of hemp fiber to tencel fiber is 1:2.3, the average length of tencel fiber is 48mm, and the average length of hemp fiber is 21mm.
S4, interweaving the warp yarns and the weft yarns to obtain the breathable moisture-absorbing hemp fabric.
Wherein, the warp yarn arrangement density of the linen fabric is 340 pieces/10 cm, and the weft yarn arrangement density of the linen fabric is 285 pieces/10 cm.
Example 3
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this example and example 1 is that the weight ratio of hemp fiber to tencel fiber in step S2 of this example is 1:1.9.
Example 4
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this embodiment and embodiment 3 is that the tencel fiber in this embodiment is pretreated by the following method: soaking tencel fibers in the glycidyl methacrylate copolymer mixed solution, carrying out ultrasonic treatment at 75 ℃ for 10min, taking out the tencel fibers, washing with water, and then putting the tencel fibers into a 60 ℃ oven for drying for 1h to finish pretreatment.
Wherein the glycidyl methacrylate copolymer mixed solution is selected from the glycidyl methacrylate copolymer mixed solution of preparation example 1.
Example 5
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this embodiment and embodiment 3 is that the tencel fiber in this embodiment is pretreated by the following method: soaking tencel fibers in the glycidyl methacrylate copolymer mixed solution, carrying out ultrasonic treatment at 65 ℃ for 60min, taking out the tencel fibers, washing with water, and then drying the tencel fibers in a 60 ℃ oven for 1h to finish pretreatment.
Wherein the glycidyl methacrylate copolymer mixture is selected from the glycidyl methacrylate copolymer mixtures of preparation example 2.
Example 6
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this example and example 3 is that the degummed hemp fiber is pre-treated prior to S2 and S3 by the following method: soaking the hemp fibers in the glycidyl methacrylate copolymer mixed solution, carrying out ultrasonic treatment at 65 ℃ for 60min, taking out the hemp fibers, washing with water, and then putting the hemp fibers into a 60 ℃ oven for drying for 1h to finish pretreatment.
Example 7
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this example and example 3 is that the warp yarn arrangement density of the scrim was 360 pieces/10 cm and the weft yarn arrangement density of the scrim was 260 pieces/10 cm.
Example 8
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this embodiment and embodiment 5 is that in this embodiment, viscose cotton fibers are further added in step S3, and step S3 specifically includes:
s3, mixing viscose cotton fibers and half degummed hemp fibers, and twisting into mixed yarns to obtain weft yarns.
Wherein, the weight ratio of the viscose cotton type fiber to the hemp fiber is 0.35:1, and the average length of the viscose cotton type fiber is 35mm.
Example 9
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this example and example 8 is that the weight ratio of viscose cotton fiber to hemp fiber in this example is 0.5:1.
Example 10
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this example and example 9 is that the warp yarn arrangement density of the scrim in this example was 360/10 cm and the weft yarn arrangement density of the scrim was 260/10 cm.
Example 11
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this example and example 9 is that the warp yarn arrangement density of the scrim in this example was 385 pieces/10 cm and the weft yarn arrangement density of the scrim was 245 pieces/10 cm.
Example 12
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this example and example 11 is that this example also incorporates nano titania particles, specifically:
before mixing the viscose cotton type fiber and the degummed hemp fiber in the step S3, soaking the viscose cotton type fiber and the degummed hemp fiber in acetone, adding nano titanium dioxide particles, carrying out ultrasonic treatment for 30min after mixing, taking out the viscose cotton type fiber and the degummed hemp fiber, washing with water, putting into a 60 ℃ oven for drying for 1h, and then mixing and twisting the viscose cotton type fiber and the degummed hemp fiber into mixed yarn to obtain the weft yarn.
Wherein the weight ratio of degummed hemp fiber to nano titanium dioxide particles is 10:0.02, and the particle size of the nano titanium dioxide particles is 80-100 nm.
Example 13
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this example and example 11 is that this example also incorporates nano titania particles, specifically:
before mixing the viscose cotton type fiber and the degummed hemp fiber in the step S3, soaking the viscose cotton type fiber and the degummed hemp fiber in acetone, adding nano titanium dioxide particles, carrying out ultrasonic treatment for 60min after mixing, taking out the viscose cotton type fiber and the degummed hemp fiber, washing with water, putting into a 60 ℃ oven for drying for 1h, and then mixing and twisting the viscose cotton type fiber and the degummed hemp fiber into mixed yarn to obtain the weft yarn.
Wherein the weight ratio of degummed hemp fiber to nano titanium dioxide particles is 10:0.05, and the particle size of the nano titanium dioxide particles is 80-100 nm.
Comparative example
Comparative example 1
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this comparative example and example 3 is that the weight ratio of hemp fiber to tencel fiber in the step S2 of this comparative example is 1:0.8.
Comparative example 2
The preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
the difference between this comparative example and example 3 is that the weight ratio of hemp fiber to tencel fiber in the step S2 of this comparative example is 1:3.
Performance test
Air permeability test: the breathable and hygroscopic scrim fabrics of examples 1-13 and comparative examples 1-2 of the present application were tested according to GB/T5453-1997 determination of breathability of textile fabrics, the test results being shown in Table 1.
Softness test: the breathable and hygroscopic scrim fabrics of examples 1-13 and comparative examples 1-2 of the present application were tested according to GB/T18318-2001 "determination of the bending length of textile fabrics", the lower the bending stiffness representing the better softness, the test results are shown in Table 1.
Tear strength test: according to GB/T3917.3-2009 "tearing Property of textile fabrics", breathable and hygroscopic linen fabrics of examples 1-13 and comparative examples 1-2 of the present application were tested in the direction in which the warp yarns were torn, and the test results are shown in Table 1.
TABLE 1
As can be seen from Table 1, the synthetic properties of the hemp fabric of example 3 are more excellent, and the air permeability, softness and mechanical properties of the hemp fabric are all better under the interweaving of the warp yarn formed by mixing and twisting the tencel fiber and the hemp fiber and the weft yarn formed by the hemp fiber, whereas the softness of the hemp fabric of comparative example 1 is worse, and the air permeability of the hemp fabric of comparative example 2 is worse, which means that the synthetic properties of the hemp fabric can be better by controlling the ratio of the tencel fiber to the hemp fiber to 1 (1.5-2.3).
Compared with the example 3, the tearing strength of the hemp fabrics of the examples 4-5 is obviously improved, which shows that the tencel fibers are modified under the action of the glycidyl methacrylate copolymer mixed solution, so that the binding force of the tencel fibers and the hemp fibers is better, and the overall mechanical property of the hemp fabrics is improved.
In comparison with example 3 and example 5, since example 6 modified the hemp fiber with the glycidyl methacrylate copolymer instead of the tencel fiber, the mechanical properties of the hemp fabric were not improved.
Compared with example 5, the softness of the hemp fabrics of examples 8-9 is significantly improved, which means that the hemp fibers and the viscose fibers are mixed and twisted into weft yarns, which can improve the problem of brittleness of the hemp fibers, thereby improving the softness of the hemp fabrics.
Comparing the example 7 with the examples 9-11, the air permeability of the hemp fabrics of the examples 10-11 is improved, which shows that the air permeability of the hemp fabrics can be effectively improved by adjusting the warp density to 360-385 pieces/10 cm and the weft density to 245-260 pieces/10 cm on the basis of twisting the hemp fibers and the viscose fibers into weft yarns.
In examples 12-13, compared to example 11, the addition of nano titanium dioxide particles between the hemp fibers and the viscose fibers improved the tear strength of the scrim and maintained the breathability.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Claims (3)
1. A breathable and hygroscopic scrim, characterized by: the hemp fabric is formed by blending hemp fibers and tencel fibers, wherein warp yarns of the hemp fabric are formed by blending the hemp fibers and the tencel fibers according to the weight ratio of 1 (1.5-2.3), and weft yarns of the hemp fabric are the hemp fibers;
the preparation method of the breathable and hygroscopic hemp fabric comprises the following steps:
adding hemp fibers into an enzyme solution for degumming to obtain degummed hemp fibers;
mixing tencel fibers and part of degummed hemp fibers, and twisting into mixed yarns to obtain warp yarns;
twisting the rest degummed hemp fiber into yarn to obtain weft yarn;
interweaving warp yarns and weft yarns to obtain a breathable moisture-absorbing hemp fabric;
the tencel fiber is pretreated by the following steps: soaking tencel fibers into the glycidyl methacrylate copolymer mixed solution, performing ultrasonic treatment at 65-75 ℃ for 10-60 min, and taking out the tencel fibers to finish pretreatment;
the preparation method of the glycidyl methacrylate cyclic copolymer mixed solution comprises the following steps: stirring and mixing glycidyl methacrylate, ethylene glycol dimethacrylate and 2, 2-diethoxyacetophenone, reacting for 5-25 min under ultraviolet radiation, adding methanol and stirring after the reaction is finished, filtering, collecting a filter body, drying the filter body, and adding the filter body into water to prepare a glycidyl methacrylate copolymer mixed solution, wherein the weight ratio of the glycidyl methacrylate to the ethylene glycol dimethacrylate to the 2, 2-diethoxyacetophenone is 1 (0.64-0.7) (0.005-0.008);
in the step of preparing the weft yarn, viscose cotton type fiber is also added: mixing viscose cotton fibers and the rest degummed hemp fibers according to the weight ratio of (0.35-0.5): 1, and twisting into mixed yarns to prepare weft yarns;
before the viscose cotton type fiber and the residual degummed hemp fiber are mixed, the viscose cotton type fiber and the residual degummed hemp fiber are added into acetone, nano titanium dioxide particles are added, ultrasonic treatment is carried out for 30-60 min after mixing, the viscose cotton type fiber and the residual degummed hemp fiber are taken out, the viscose cotton type fiber and the residual degummed hemp fiber are dried, and then the viscose cotton type fiber and the residual degummed hemp fiber are twisted into mixed yarns, wherein the weight ratio of the residual degummed hemp fiber to the nano titanium dioxide particles is 10 (0.02-0.05).
2. A breathable and hygroscopic scrim as defined in claim 1 wherein: the enzyme solution comprises pectase and lignin enzyme.
3. A breathable and hygroscopic scrim as defined in claim 1 wherein: the warp yarn arrangement density of the linen fabric is 360-385 pieces/10 cm, and the weft yarn arrangement density of the linen fabric is 245-260 pieces/10 cm.
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