CN117364330A - Anti-pilling environment-friendly fabric - Google Patents

Anti-pilling environment-friendly fabric Download PDF

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Publication number
CN117364330A
CN117364330A CN202311303016.5A CN202311303016A CN117364330A CN 117364330 A CN117364330 A CN 117364330A CN 202311303016 A CN202311303016 A CN 202311303016A CN 117364330 A CN117364330 A CN 117364330A
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fabric
treatment
pilling
environment
fiber
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韩奎根
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Zhuji Venus Knitting Co ltd
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Zhuji Venus Knitting Co ltd
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Priority to CN202311303016.5A priority Critical patent/CN117364330A/en
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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
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
    • 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
    • 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
    • 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
    • D06M11/73—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 carbon or compounds thereof
    • D06M11/74—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 carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/35—Heterocyclic compounds
    • D06M13/352—Heterocyclic compounds having five-membered heterocyclic rings
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/395—Isocyanates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • 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
    • D06M2200/50—Modified hand or grip properties; Softening compositions
    • 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
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D10B2201/02—Cotton
    • 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
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Botany (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention discloses an anti-pilling environment-friendly fabric, which is obtained by spinning lyocell fibers and cotton fibers through an aggregation spinning to obtain blended yarns, weaving the blended yarns serving as raw materials, and finally performing post-treatment; the preparation method comprises the steps that the lyocell fiber is subjected to modification treatment before being mixed with cotton fiber for spinning, and the modification treatment is carried out by adopting aqueous closed polyisocyanate emulsion after the lyocell fiber is subjected to enzyme treatment; the post-treatment is to treat the blended fabric in a mixed modifier consisting of Mxene nano-sheets, zinc nitrate solution, 2-methylimidazole and organosilicon softener. The fabric provided by the invention has good mechanical properties and excellent fuzzing and pilling resistance.

Description

Anti-pilling environment-friendly fabric
Technical Field
The invention relates to the technical field of textiles, in particular to an anti-pilling environment-friendly fabric.
Background
Lyocell fibers, which are one type of regenerated cellulose fibers. The main raw material of the lyocell fiber is recyclable wood, and the lyocell fiber is prepared by a special dissolving and spinning process, and has good hygroscopicity, air permeability, comfort and biodegradability, and is known as green fiber. The lyocell fiber has good wrinkle resistance and rebound resilience, so that the fabric has excellent wrinkle resistance. In addition, the moisture absorption performance of the fiber is better than that of other fibers, and sweat generated by a human body can be quickly absorbed and discharged, so that a wearer feels dry and comfortable. In addition, the lyocell fiber has good wear resistance, and the fabric can still keep the original shape and color after being washed for many times. Meanwhile, the biodegradability of the fiber also meets the current environmental protection requirement. In summary, the lyocell fiber is a green, environment-friendly and sustainable regenerated cellulose fiber, has excellent comfort and air permeability, is widely applied to clothing fabrics, and is commonly blended with cotton fibers to improve the performance. However, the fabric has the following disadvantages: 1. the cross-sectional orientation of the lyocell fiber is weaker, the longitudinal orientation is higher, and the fibrillation phenomenon is easy to generate on the surface after friction in the processing process; 2. in a dry environment, the fabric is easy to rub due to static electricity, so that fuzzing and pilling are carried out, and the clothing performance of the fabric is affected.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the defects existing in the prior art, the anti-pilling environment-friendly fabric is provided, the fabric takes lyocell fibers and cotton fibers as raw materials, the lyocell fibers are pretreated, and the woven fabric is subjected to post-treatment, so that the obtained fabric is good in air and moisture permeability and excellent in anti-pilling performance.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the anti-pilling environment-friendly fabric is obtained by spinning lyocell fibers and cotton fibers through an aggregation spinning process to obtain blended yarns, weaving the blended yarns serving as raw materials, and finally performing aftertreatment;
the preparation method comprises the steps that the lyocell fiber is subjected to modification treatment before being mixed with cotton fiber for spinning, wherein the modification treatment is that the lyocell fiber is subjected to enzyme treatment and then is subjected to treatment by adopting aqueous closed polyisocyanate emulsion;
the post-treatment is to treat the blended fabric in a mixed modifier consisting of Mxene nano-sheets, zinc nitrate solution, 2-methylimidazole and organosilicon softener.
As an improved technical scheme, the fineness of the cotton fiber is 1.5dtex, the length of the cotton fiber is 34mm, the fineness of the lyocell fiber is 1.5dtex, the length of the cotton fiber is 34mm, the mass ratio of the cotton fiber to the lyocell fiber during blending is 1:1, and the twist of the mixed yarn is 30-40 twists/10 cm.
As an improved technical scheme, the plain weave is formed during weaving, the warp yarn density is 600+/-5 yarns/10 cm, and the weft yarn density is 365+/-5 yarns/10 cm.
As an improved technical scheme, the specific process of the modification treatment is as follows: and (3) placing the lyocell fibers in a cellulase solution for primary padding treatment, taking out, washing with deionized water, placing in an aqueous closed polyisocyanate emulsion for secondary padding treatment, taking out, washing with deionized water, and sequentially performing pre-baking and baking treatment.
As an improved technical scheme, the concentration of the cellulase solution is 5-10g/L; the primary padding treatment is two padding, and the single padding residual rate is 80-90%.
As an improved technical scheme, the aqueous closed polyisocyanate emulsion is an aqueous closed isocyanate curing agent JX-617 purchased from Dongguan Jiang Xing Utility company, and the secondary padding treatment is two padding, and the single padding residual rate is controlled to be 120-130%.
As an improved technical scheme, the pre-baking temperature is 70-80 ℃ and the time is 10-20min; the baking temperature is 175 ℃ and the baking time is 60-100s.
As an improved technical scheme, the specific process of the post-treatment is as follows: and (3) dissolving zinc nitrate in methanol to prepare zinc nitrate solution, then placing the fabric in a mixed solution of Mxene nanosheets and a softening agent, stirring at room temperature, adding the zinc nitrate solution, continuously stirring, finally adding 2-methylimidazole, stirring again, taking out the fabric, washing with deionized water, and drying.
As an improved technical scheme, the concentration of the Mxene nano-sheet and the organosilicon softener in the mixed solution is respectively 0.5-0.6g/L and 5-8g/L, and the mass ratio of the Mxene nano-sheet to the zinc nitrate to the 2-methylimidazole is 0.5-0.6:3-4:3-4.
As an improved technical scheme, the stirring time at room temperature is 20-40min, the continuous stirring time is 1-2h, and the secondary stirring time is 10-15h.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the anti-pilling environment-friendly fabric provided by the invention is obtained by performing compact spinning on lyocell fibers and cotton fibers serving as raw materials to obtain blended yarns, and then weaving the blended yarns. The blending of the lyocell fibers and the cotton fibers can increase the air permeability of the fabric. Lyocell fibers have good air permeability, whereas cotton fibers have good moisture absorption. The air permeability and the hygroscopicity of the fabric are improved by mixing the fabric and the fabric, so that the comfort of the fabric is improved. In addition, the invention pretreats the lyocell fiber before spinning, firstly uses cellulase solution to carry out twice soaking and twice rolling treatment, can remove impurities and hairiness on the surface of the fiber, improves the surface smoothness and hydrophilicity of the fiber, is favorable for improving the air permeability and hygroscopicity of the fabric, then adopts water-based closed polyisocyanate emulsion to carry out treatment, removes closed groups by the water-based closed polyisocyanate at a certain temperature, exposes free isocyanate groups, can form covalent bonding with hydroxyl groups on cellulose molecular chains, leads the fiber macromolecular chains to form a crosslinked structure, increases the lateral force of the fiber, and further improves the antigen fibrillation performance of the lyocell fiber.
The invention adopts proper warp yarn density and weft yarn density in the weaving process, and can improve the air permeability and the moisture permeability of the fabric. When the warp density is higher, the compactness of the fabric can be increased, and the mechanical property and fuzzing and pilling resistance of the fabric are improved; when the weft yarn density is higher, the air permeability and the moisture permeability of the fabric can be increased. In addition, the invention also carries out post-treatment on the woven fabric, the Mxene nano-sheets are combined with the fabric through hydrogen bond action, a closed conductive channel is formed on the surface of the fabric, ZIF-8 grows on the surface of the Mxene nano-sheets in situ, the conductivity of the Mxene nano-sheets is improved, thus the accumulation of static electricity is reduced, the phenomenon of pilling caused by friction of the fabric under the action of static electricity is prevented, and the mechanical property of the fabric is also improved.
Detailed Description
The invention is further illustrated below with reference to examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention.
In the following examples and comparative examples, the aqueous blocked polyisocyanate emulsion was aqueous blocked isocyanate curing agent JX-617 available from Dongguan Jiang Xing, inc.; the cellulase is purchased from Zaozhuang all ancient cooking biotechnology shares limited company; mxene nanoplatelets were purchased from midkine (beijing) technology limited.
Example 1
The anti-pilling environment-friendly fabric is formed by spinning lyocell fibers with fineness of 1.5dtex and length of 34mm and cotton fibers with fineness of 1.5dtex and length of 34mm through aggregation spinning to obtain blended yarns, wherein the mass ratio of the lyocell fibers to the cotton fibers is 1:1, and the twist of the blended yarns is 35 twists/10 cm; and then weaving the blended yarns as warp yarns and weft yarns respectively to form a plain fabric, wherein the English count of the yarns is controlled to be 80, the warp yarn density is 600 pieces/10 cm, and the weft yarn density is 365 pieces/10 cm.
The lyocell fiber is pretreated before spinning, and specifically: and (3) placing the lyocell fibers in a cellulase solution with the concentration of 5g/L for twice padding treatment, wherein the single padding residual rate is 80%, taking out, washing with deionized water, placing in a water-based closed polyisocyanate emulsion for twice padding treatment, controlling the single padding residual rate to be 120%, taking out, washing with deionized water, pre-baking at 70 ℃ for 20min, and baking at 175 ℃ for 80s.
The fabric is also subjected to post-treatment, specifically: 3.4g of zinc nitrate is dissolved in 50ml of methanol to obtain zinc nitrate solution, 0.5g of Mxene nano-sheets are dispersed in 1L of deionized water, then 5g of organosilicon softening agent is added, the mixture is stirred and mixed uniformly to obtain mixed solution, the fabric is immersed into the mixed solution for standing treatment for 30min, then the zinc nitrate solution is added, stirring is carried out for 1h, then 3.7g of 2-methylimidazole is added, stirring is carried out for 10h at room temperature, and then the fabric is taken out and dried to constant weight to obtain the anti-pilling environment-friendly fabric.
Example 2
The anti-pilling environment-friendly fabric is formed by spinning lyocell fibers with fineness of 1.5dtex and length of 34mm and cotton fibers with fineness of 1.5dtex and length of 34mm through aggregation spinning to obtain blended yarns, wherein the mass ratio of the lyocell fibers to the cotton fibers is 1:1, and the twist of the blended yarns is 35 twists/10 cm; and then weaving the blended yarns as warp yarns and weft yarns respectively to form a plain fabric, wherein the English count of the yarns is controlled to be 80, the warp yarn density is 600 pieces/10 cm, and the weft yarn density is 365 pieces/10 cm.
The lyocell fiber is pretreated before spinning, and specifically: the lyocell fiber is placed in a cellulase solution with the concentration of 6g/L for twice padding treatment, the single padding residual rate is 85%, then the cellulose fiber is taken out, washed by deionized water, placed in an aqueous closed polyisocyanate emulsion for twice padding treatment, the single padding residual rate is controlled to be 125%, then the cellulose fiber is taken out, washed by deionized water, and then pre-baked for 20min at 70 ℃ and then baked for 80s at 175 ℃.
The fabric is also subjected to post-treatment, specifically: 3.4g of zinc nitrate is dissolved in 50ml of methanol to obtain zinc nitrate solution, 0.5g of Mxene nano-sheets are dispersed in 1L of deionized water, then 6g of organosilicon softening agent is added, the mixture is stirred and mixed uniformly to obtain mixed solution, the fabric is immersed into the mixed solution for standing treatment for 30min, then the zinc nitrate solution is added, stirring is carried out for 2h, then 3.7g of 2-methylimidazole is added, stirring is carried out for 11h at room temperature, and then the fabric is taken out and dried to constant weight to obtain the anti-pilling environment-friendly fabric.
Example 3
The anti-pilling environment-friendly fabric is formed by spinning lyocell fibers with fineness of 1.5dtex and length of 34mm and cotton fibers with fineness of 1.5dtex and length of 34mm through aggregation spinning to obtain blended yarns, wherein the mass ratio of the lyocell fibers to the cotton fibers is 1:1, and the twist of the blended yarns is 35 twists/10 cm; and then weaving the blended yarns as warp yarns and weft yarns respectively to form a plain fabric, wherein the English count of the yarns is controlled to be 80, the warp yarn density is 600 pieces/10 cm, and the weft yarn density is 365 pieces/10 cm.
The lyocell fiber is pretreated before spinning, and specifically: the lyocell fiber is placed in a cellulase solution with the concentration of 7g/L for twice padding treatment, the single padding residual rate is 90 percent, then the cellulose fiber is taken out, washed by deionized water, placed in an aqueous closed polyisocyanate emulsion for twice padding treatment, the single padding residual rate is controlled to be 125 percent, then the cellulose fiber is taken out, washed by deionized water, and then pre-baked for 20 minutes at 70 ℃ and then baked for 80 seconds at 175 ℃.
The fabric is also subjected to post-treatment, specifically: 3.4g of zinc nitrate is dissolved in 50ml of methanol to obtain zinc nitrate solution, 0.5g of Mxene nano-sheets are dispersed in 1L of deionized water, then 6g of organosilicon softening agent is added, the mixture is stirred and mixed uniformly to obtain mixed solution, the fabric is immersed into the mixed solution for standing treatment for 30min, then the zinc nitrate solution is added, stirring is carried out for 2h, then 3.7g of 2-methylimidazole is added, stirring is carried out for 15h at room temperature, and then the fabric is taken out and dried to constant weight, thus obtaining the anti-pilling environment-friendly fabric.
Example 4
The anti-pilling environment-friendly fabric is formed by spinning lyocell fibers with fineness of 1.5dtex and length of 34mm and cotton fibers with fineness of 1.5dtex and length of 34mm through aggregation spinning to obtain blended yarns, wherein the mass ratio of the lyocell fibers to the cotton fibers is 1:1, and the twist of the blended yarns is 35 twists/10 cm; and then weaving the blended yarns as warp yarns and weft yarns respectively to form a plain fabric, wherein the English count of the yarns is controlled to be 80, the warp yarn density is 600 pieces/10 cm, and the weft yarn density is 365 pieces/10 cm.
The lyocell fiber is pretreated before spinning, and specifically: and (3) placing the lyocell fibers in a cellulase solution with the concentration of 5-10g/L for twice padding treatment, wherein the single padding residual rate is 85%, taking out, washing with deionized water, placing in an aqueous closed polyisocyanate emulsion for twice padding treatment, controlling the single padding residual rate to be 125%, taking out, washing with deionized water, pre-baking at 80 ℃ for 15min, and baking at 175 ℃ for 80s.
The fabric is also subjected to post-treatment, specifically: 3.4g of zinc nitrate is dissolved in 50ml of methanol to obtain zinc nitrate solution, 0.5g of Mxene nano-sheets are dispersed in 1L of deionized water, then 8g of organosilicon softening agent is added, the mixture is stirred and mixed uniformly to obtain mixed solution, the fabric is immersed into the mixed solution for standing treatment for 30min, then the zinc nitrate solution is added, stirring is carried out for 2h, then 3.7g of 2-methylimidazole is added, stirring is carried out for 12h at room temperature, and then the fabric is taken out and dried to constant weight to obtain the fuzzing-resistant and pilling-resistant environment-friendly fabric.
Comparative example 1
The lyocell fiber was not subjected to the modification treatment, and the other conditions were the same as in example 4.
Comparative example 2
The fabric was not post-treated and the other conditions were the same as in example 4.
Comparative example 3
The lyocell fibers were not subjected to the modification treatment, and the woven fabric was not subjected to the post-treatment, and the other conditions were the same as in example 4.
The performance of the fabrics prepared in the above examples and comparative examples was tested as follows.
1. Tensile breaking strength
The fabric was tested for tensile breaking strength using a YG065 electronic fabric strength tester according to the method described in GB/T3923.1-2013.
2. The fabric was tested by reference to GB/T4802.1-2008 "determination of pilling Property of textile fabric surface section 1: circular track method", wherein the pressure was controlled to 490cN, the pilling times was 30, and the pilling times was 50.
The test results are shown in Table 1.
TABLE 1
As can be seen from the test results, compared with the comparative example, the fabric prepared by the method disclosed by the invention has the advantages of good mechanical properties and excellent fuzzing and pilling resistance, and is mainly characterized in that on one hand, the pretreatment of the lyocell fibers improves the fibrillation phenomenon of the fabric, so that the fuzzing phenomenon in the processing process is avoided, and on the other hand, the post-treatment of the fabric improves the antistatic performance and the friction resistance of the fabric, the friction phenomenon of the fabric caused by the electrostatic effect is avoided, and the fuzzing and pilling resistance of the fabric is improved.
Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (10)

1. An anti-pilling environment-friendly fabric is characterized in that: the fabric is obtained by spinning lyocell fibers and cotton fibers through an aggregation spinning process to obtain blended yarns, weaving the blended yarns serving as raw materials, and finally performing aftertreatment;
the lyocell fiber is subjected to modification treatment before being mixed with cotton fiber for spinning, and the modification treatment is carried out by adopting aqueous closed polyisocyanate emulsion after the lyocell fiber is subjected to enzyme treatment;
the post-treatment is to treat the blended fabric in a mixed modifier consisting of Mxene nano-sheets, zinc nitrate solution, 2-methylimidazole and organosilicon softener.
2. The fuzzing and pilling resistant environment-friendly fabric as claimed in claim 1, wherein: the fineness of the cotton fiber is 1.5dtex, the length of the cotton fiber is 34mm, the fineness of the lyocell fiber is 1.5dtex, the length of the cotton fiber is 34mm, the mass ratio of the cotton fiber to the lyocell fiber during blending is 1:1, and the twist of the mixed yarn is 30-40 twists/10 cm.
3. The anti-pilling environment-friendly fabric according to claim 1, which is characterized in that: the weaving forms plain weave, the warp yarn density is 600+/-5/10 cm, and the weft yarn density is 365+/-5/10 cm.
4. The anti-pilling environment-friendly fabric according to claim 1, which is characterized in that: the specific process of the modification treatment is as follows: and (3) placing the lyocell fibers in a cellulase solution for primary padding treatment, taking out, washing with deionized water, placing in an aqueous closed polyisocyanate emulsion for secondary padding treatment, taking out, washing with deionized water, and sequentially performing pre-baking and baking treatment.
5. The anti-pilling environment-friendly fabric as claimed in claim 4, wherein: the concentration of the cellulase solution is 5-10g/L; the primary padding treatment is two padding, and the single padding residual rate is 80-90%.
6. The anti-pilling environment-friendly fabric as claimed in claim 4, wherein: the aqueous closed polyisocyanate emulsion is an aqueous closed isocyanate curing agent JX-617 purchased from Dongguan Jiang Xing Utility company, and the secondary padding treatment is two padding, and the single padding residual rate is controlled to be 120-130%.
7. The anti-pilling environment-friendly fabric as claimed in claim 4, wherein: the pre-baking temperature is 70-80 ℃ and the pre-baking time is 10-20min; the baking temperature is 175 ℃ and the baking time is 60-100s.
8. The anti-pilling environment-friendly fabric according to claim 1, which is characterized in that: the specific process of the post-treatment is as follows: and (3) dissolving zinc nitrate in methanol to prepare zinc nitrate solution, then placing the fabric in a mixed solution of Mxene nanosheets and a softening agent, stirring at room temperature, adding the zinc nitrate solution, continuously stirring, finally adding 2-methylimidazole, stirring again, taking out the fabric, washing with deionized water, and drying.
9. The anti-pilling environment-friendly fabric as claimed in claim 8, wherein: the concentration of the Mxene nano-sheet and the organosilicon softener in the mixed solution is respectively 0.5-0.6g/L and 5-8g/L, and the mass ratio of the Mxene nano-sheet to the zinc nitrate to the 2-methylimidazole is 0.5-0.6:3-4:3-4.
10. The anti-pilling environment-friendly fabric as claimed in claim 8, wherein: the stirring time at room temperature is 20-40min, the stirring time is 1-2h, and the stirring time is 10-15h again.
CN202311303016.5A 2023-10-10 2023-10-10 Anti-pilling environment-friendly fabric Pending CN117364330A (en)

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