CN116856172A - Anti-pilling anti-shrinkage mercerized cotton knitted fabric and preparation process thereof - Google Patents

Anti-pilling anti-shrinkage mercerized cotton knitted fabric and preparation process thereof Download PDF

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Publication number
CN116856172A
CN116856172A CN202310858421.7A CN202310858421A CN116856172A CN 116856172 A CN116856172 A CN 116856172A CN 202310858421 A CN202310858421 A CN 202310858421A CN 116856172 A CN116856172 A CN 116856172A
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Prior art keywords
knitted fabric
pilling
cotton knitted
mercerized cotton
mercerized
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CN202310858421.7A
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CN116856172B (en
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易永平
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Guangdong Shangpu New Materials Co ltd
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Guangdong Shangpu New Materials Co ltd
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J3/00—Modifying the surface
    • D02J3/12—Modifying the surface by removing projecting ends of fibres
    • D02J3/16—Modifying the surface by removing projecting ends of fibres by singeing
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B7/00—Mercerising, e.g. lustring by mercerising
    • D06B7/08—Mercerising, e.g. lustring by mercerising of fabrics of indefinite length
    • 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
    • D06M11/32—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
    • 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
    • D06M13/244—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 sulfur or phosphorus
    • D06M13/282—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 sulfur or phosphorus with compounds containing phosphorus
    • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—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
    • D06M13/402—Amides imides, sulfamic acids
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
    • D06M15/423—Amino-aldehyde resins
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • 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
    • D06M2200/35—Abrasion, pilling or fibrillation resistance
    • 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
    • D06M2200/45—Shrinking resistance, anti-felting properties
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The application provides a mercerized cotton knitted fabric with fuzzing resistance, pilling resistance and shrink resistance and a preparation process, wherein the preparation process comprises the following steps: (1) yarn: selecting cotton yarn, and singeing the cotton yarn by a singeing machine; (2) weaving: knitting cotton yarn into grey cloth; (3) mercerizing: putting the grey cloth into mercerizing liquid for mercerizing; the mercerizing solution comprises 2-8 g/L of surfactant and 150-200 g/L of NaOH solution; (4) dyeing: dyeing the mercerized grey cloth; (5) post-finishing: putting the dyed cloth into a finishing agent for padding finishing; (6) Cutting and sewing according to the requirements to obtain the mercerized cotton knitted fabric of the bedding. The application provides a preparation process of mercerized cotton knitted fabric, the anti-fuzzing, pilling and anti-shrinkage performances of the prepared mercerized cotton knitted fabric reach the international grade, the hand feeling is soft and fine, and the mercerized cotton knitted fabric for high-quality bedding is provided for the industry.

Description

Anti-pilling anti-shrinkage mercerized cotton knitted fabric and preparation process thereof
Technical Field
The application belongs to the technical field of textile mercerized cotton knitted fabrics, and particularly relates to an anti-pilling anti-shrinkage mercerized cotton knitted fabric and a preparation process thereof.
Background
Along with the continuous improvement of living standard, people pay more attention to environmental protection, comfort and beautiful appearance to the choice of bedding fabrics, but the existing products on the market at present often cannot meet the requirements of people. The knitted cotton bedding fabric is knitted by a circular knitting machine, has the advantages of strong water absorption, softness and close fitting, and is good in dyeability, bright in color and high in fastness. However, due to the structural characteristics of the knitting cotton, the shrinkage rate of the knitting cotton produced in China is generally above 7% of the national standard and cannot reach the grade of the first-class products of the national standard, and the anti-pilling performance can only reach the grade of 2-2.5 of the national standard, so that the hand feeling is not soft and fine enough, the mercerized cotton knitting fabric cannot reach the width required by the bedding, and the existing manufacturers cannot produce the knitting bedding of the first-class products of the national standard.
In order to improve the quality of cotton fabric beds and increase the market competitiveness of enterprises, various enterprises at home and abroad research on the aspect of cotton fabric imitation silk, although some products are close to the style effect of silk fabrics to a certain extent, the precondition is more severe, the imitation silk processing is only carried out by a simple after-finishing means, the process is complex, manufacturers cannot produce high-quality mercerized cotton knitted fabrics, the performances of the existing mercerized cotton knitted fabrics on fuzzing resistance, pilling resistance and shrink-proof performance are poor, and further research and development of the high-quality mercerized cotton knitted fabrics are needed.
Disclosure of Invention
The application aims to provide a brand-new mercerized cotton knitted fabric and a preparation process thereof, and the product has fuzzing resistance, pilling resistance and shrink resistance reaching the international grade, has soft and fine hand feeling, and provides a mercerized cotton knitted fabric for high-quality bedding for the industry.
In order to achieve the above object, the present application provides the following technical solutions:
a preparation process of a mercerized cotton knitted fabric capable of resisting fuzzing, pilling and shrinkage comprises the following steps:
(1) Yarn: selecting cotton yarn, and singeing the cotton yarn by a singeing machine;
(2) Weaving: knitting cotton yarn into grey cloth
(3) Mercerizing: putting the grey cloth into mercerizing liquid for mercerizing; the mercerizing solution comprises 2-8 g/L of surfactant and 150-200 g/L of NaOH solution;
(4) Dyeing: dyeing the mercerized grey cloth;
(5) Post-finishing: putting the dyed cloth into a finishing agent for padding finishing;
(6) Cutting and sewing according to the requirements to obtain the mercerized cotton knitted fabric.
In a preferred embodiment, the cotton yarn is spun with 100% long staple cotton, variety Fenghai No. 7. Further preferably, the long staple cotton has a linear density of 7.3tex,80s, purchased from awa county, singapore.
The cotton yarn prepared from Xinjiang long staple cotton is selected, the variety Fenghai No. 7 is soft and comfortable, the softness of the product can be increased, the inventor finds that the yarn is not easy to kink and the cloth cover is smooth when the cotton yarn of the variety is woven, and the mercerized cotton knitted fabric prepared by combining the process has better fuzzing resistance, pilling resistance and shrink resistance.
In a preferred embodiment, the conditions for singeing in step (1) are: the temperature of the fire mouth is 900-1000 ℃ and the speed is 500-550 m/min. The mercerization condition in the step (3) is 20-30 ℃ for 60-120s.
In order to improve the fuzzing and pilling resistance of the knitted cotton, it is further preferable that the conditions of the fuzzing in the step (1) are as follows: the temperature of the fire mouth is 950 ℃ and the speed is 520m/min. The mercerization condition in the step (3) is 25 ℃ and 90s. The singeing condition of the application is matched with the selected long staple cotton, and the long staple cotton subjected to singeing treatment ensures that the cloth surface is smoother and is not easy to fuzzing and pilling.
In a preferred embodiment, the mercerizing solution comprises 5g/L surfactant and 170g/L NaOH solution.
In a preferred embodiment, the surfactant in the step (3) includes a phosphate ester type anionic surfactant and an AEO series nonionic surfactant, and the weight ratio of the phosphate ester type anionic surfactant to the AEO series nonionic surfactant is 2-5:1.
In order to enhance the effect of the finishing agent, it is further preferable that the weight ratio of the phosphate ester type anionic surfactant to the AEO series nonionic surfactant is 3:1.
Preferably, the phosphate type surfactant is selected from one of ethylene glycol monobutyl ether phosphate, lauryl alcohol phosphate potassium salt, cetostearyl alcohol phosphate and dodecyl phosphate.
Further preferably, the number of carbon atoms contained in the structure of the phosphate type surfactant is between C6 and C9.
Further preferably, the phosphate type surfactant is ethylene glycol monobutyl ether phosphate.
Preferably, the AEO series nonionic surfactant is selected from one of AEO-7, AEO-9, AEO-10, AEO-15 or AEO-20.
Further preferably, the AEO series nonionic surfactant is selected from AEO-9.
The mercerization of the pure cotton woven fabric can be completed under the condition of lower alkali concentration, so that the structure of the pure cotton woven fabric is changed, the cross section of the pure cotton woven fabric is expanded from flat to uniform hollow round, the mercerized cotton knitted fabric becomes smoother, the alkali consumption in the mercerization process is greatly reduced due to the hollow structure of the cotton fiber, and the treated cotton fiber has better performance. Meanwhile, the inventor finds that the alkali concentration is too high, the alkali content of the grey cloth is large, and the hand feeling and tearing strength of the fabric are affected. The application increases the penetration capacity of alkali liquor and increases the softness of fiber by using specific surfactant. The performances of different phosphate surfactants are obviously different, and the alkali resistance is also influenced by the length of the carbon chain. The inventor finds that ethylene glycol monobutyl ether phosphate is easy to form a regular monomolecular layer adsorption film, so that alkali liquor rapidly permeates into the fiber, and a synergistic effect is generated by compounding the ethylene glycol monobutyl ether phosphate with AEO series nonionic surfactants, so that the concentration and the consumption of the alkali liquor can be reduced, and a good cost performance is achieved.
In order to increase the breadth of the mercerized cotton knitted fabric, in a preferred embodiment, the mercerization uses an extra wide clip mercerizer.
Preferably, the finishing agent in the step (5) comprises the following components in parts by weight: 30-35 parts of formaldehyde-free resin, 3-5 parts of catalyst, 2-4 parts of protective agent, 50-55 parts of softener, 7-9 parts of anti-Mao Qiqiu agent and adjusting the pH to 4-6 by citric acid.
In order to improve the quality of the mercerized cotton knitted fabric, it is further preferable that the finishing agent in the step (5) comprises the following components in parts by weight: 33 parts of formaldehyde-free resin, 4 parts of catalyst, 3 parts of protective agent, 54 parts of softening agent, 9 parts of anti-Mao Qiqiu agent and citric acid for regulating the pH to 5.
The inventor finds that the type and the dosage of the catalyst can influence the use effect of the formaldehyde-free resin, and the strength and the fuzzing and pilling resistance of the fabric can be improved by selecting the proper catalyst and dosage;
preferably, the formaldehyde-free resin is glyoxal dimethyl urea resin, the catalyst is magnesium chloride, the protective agent is nonionic AC high polymer combined polyethylene copolymer, the softening agent comprises a higher fatty amide derivative and self-crosslinking silicone oil in a weight ratio of 1:1, and the anti-Mao Qiqiu agent is waterborne polyurethane.
Further preferably, the protective agent is a nonionic AC high molecular weight polyethylene copolymer available from guangdong ya source new materials, model number: polyethylene emulsion TBZ-SOFT80. The higher fatty amide derivative is purchased from a new hui song material softener 801. The self-crosslinking silicone oil is purchased from Jining Malus asiatica chemical industry Co., ltd., JF-8126. The anti-Mao Qiqiu agent is aqueous polyurethane, and is purchased from Tbook chemical Co., ltd.
Preferably, the mass ratio of the formaldehyde-free resin to the protective agent to the softening agent to the anti-Mao Qiqiu agent is (10-12) 1 (17-18) 2-3.
In order to improve the quality of the mercerized cotton knitted fabric, it is further preferable that the mass ratio of the formaldehyde-free resin to the protective agent to the softening agent to the anti-Mao Qiqiu agent is 11:1:18:3.
According to the application, a novel finishing agent is obtained by compounding a plurality of components, the formaldehyde-free resin is covalently crosslinked with hydroxyl groups in cellulose molecules, adjacent molecular chains are connected, the strength of the fabric is improved, the strength of the fabric can be improved by adding the specific softener and the protective agent, the fabric is endowed with excellent hand feeling, and the grade of the mercerized cotton knitted fabric is further improved. And the specific components of the added protective agent, softening agent and anti-Mao Qiqiu agent can cooperate with the formaldehyde-free resin to play a crosslinking role, so that the strength among fibers is further enhanced, and the warp-weft strength of the fabric is obviously improved and the shrinkage is reduced through the combination of the two aspects.
In a preferred embodiment, the post-conditioning conditions in step (5) are: the rolling surplus rate is 80-85%, the shaping temperature is 165-170 ℃, and the machine speed is 25-30 m/min.
Preferably, the rolling surplus rate is 83%, the shaping temperature is 167 ℃, and the machine speed is 26m/min.
The inventor finds that the shrinkage and strength of the mercerized cotton knitted fabric can be influenced by the post-finishing conditions through experiments, and the quality of the mercerized cotton knitted fabric of the bedding is improved through adapting the finishing agent to specific conditions.
Compared with the prior art, the application has the advantages that:
1. the application provides a preparation process of a mercerized cotton knitted fabric with fuzzing resistance, pilling resistance and shrink resistance, which is characterized in that after a series of complex processes of singeing, mercerizing, dyeing, finishing and the like, the fabric has soft and comfortable hand feeling, plump color and luster and attractive luster, and improves the grade of the existing mercerized cotton knitted fabric of bedding in the market.
2. The application is subjected to singeing and mercerization, fine hairiness on the surface of cotton fibers is cleaned, so that the cotton fiber structure is changed, the mercerized cotton knitted fabric is smoother, the dyeing yield of the reactive dye is greatly increased, the dyeing material is saved, and the cotton knitted fabric is not easy to shrink and pill.
3. The application discloses mercerizing liquid, which is prepared by selecting a phosphate surfactant with a proper carbon chain and adapting the phosphate surfactant with a nonionic surfactant, so that a synergistic effect is generated, the mercerizing effect is better, the concentration of alkali liquor and the consumption of use can be reduced, and good cost performance is achieved.
4. According to the application, a novel finishing agent is obtained by compounding a plurality of components, the formaldehyde-free resin is covalently crosslinked with hydroxyl groups in cellulose molecules, and the specific components of the added protective agent, softening agent and anti-Mao Qiqiu agent cooperate with the formaldehyde-free resin to play a role of crosslinking, so that the strength of knitting cotton is improved, the strength of the fabric can be improved by adding the specific softening agent and the protective agent, the fabric is endowed with excellent hand feeling, and the grade of mercerized cotton knitting fabric is further improved.
5. The preparation process disclosed by the application is simple and easy to operate, does not have harsh preconditions, solves the problem that the product width is influenced due to process limitation, can obtain mercerized cotton knitted fabric with the width of more than 2.5m on the basis, achieves the industry leading effect, can be well suitable for mercerization of a clip mercerizing machine, can effectively improve the weft shrinkage of the fabric, and is not easy to generate crinkles during water washing.
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
The embodiment provides a preparation process of a mercerized cotton knitted fabric with fuzzing resistance, pilling resistance and shrinkage resistance, which comprises the following steps:
(1) Yarn: cotton yarn is selected, singeing is carried out on the cotton yarn by a singeing machine, and the temperature of a fire mouth is 950 ℃ and the speed is 520m/min. The cotton yarn is spun by 100% long-staple cotton, and the variety is Fenghai No. 7. Further preferably, the long staple cotton has a linear density of 7.3tex,80s.
(2) Weaving: knitting the cotton yarn into grey cloth.
(3) Mercerizing: putting the grey cloth into mercerizing liquid at 25 ℃ for mercerizing for 90s, wherein the mercerizing liquid comprises 5g/L of surfactant and 170g/L of NaOH solution; the surfactant comprises ethylene glycol monobutyl ether phosphate ester in a weight ratio: AEO-9 weight ratio 3:1.
(4) Dyeing: dyeing the mercerized grey cloth;
(5) Post-finishing: and (3) putting the dyed cloth into a finishing agent for padding finishing, wherein the padding residual rate is 83%, the shaping temperature is 167 ℃, and the machine speed is 26m/min. Wherein the finishing agent comprises the following components in parts by weight: 33 parts of formaldehyde-free resin, 4 parts of catalyst, 3 parts of protective agent, 54 parts of softening agent, 9 parts of anti-Mao Qiqiu agent and citric acid for regulating the pH to 5. The formaldehyde-free resin is glyoxal dimethyl urea resin, the catalyst is magnesium chloride, and the softener is a higher fatty amide derivative and self-crosslinking silicone oil in a weight ratio of 1:1. The higher fatty amide derivative is purchased from a new hui song material softener 801. The self-crosslinking silicone oil is purchased from Jining Malus asiatica chemical industry Co., ltd., JF-8126. The protective agent is nonionic AC high polymer combined polyethylene copolymer, which is purchased from Guangdong source new materials, inc., and polyethylene emulsion TBZ-SOFT80. The anti-Mao Qiqiu agent is aqueous polyurethane, and is purchased from Tbook chemical Co., ltd.
(6) Cutting and sewing according to the requirements to obtain the bed product.
Example 2
The differences between this embodiment and embodiment 1 are: the finishing agent comprises the following components in parts by weight: 40 parts of formaldehyde-free resin, 2 parts of catalyst, 6 parts of protective agent, 45 parts of softening agent, 10 parts of anti-Mao Qiqiu agent and citric acid for regulating the pH to 6.
Example 3
The differences between this embodiment and embodiment 1 are: the finishing agent comprises the following components in parts by weight: 38 parts of formaldehyde-free resin, 3 parts of protective agent, 49 parts of softening agent, 9 parts of anti-Mao Qiqiu agent and citric acid for regulating the pH to 5.
Example 4
The differences between this embodiment and embodiment 1 are: the mercerizing solution comprises 7g/L of surfactant and 250g/L of NaOH solution, wherein the surfactant comprises the components with the weight ratio of dodecatetradecyl polyoxyethylene ether phosphate MOA-3P (Wohaoke special chemical Co., ltd.): AEO-20 weight ratio 1:5.
Example 5
The differences between this embodiment and embodiment 1 are: the singeing condition in the step (1) is as follows: the temperature of the fire mouth is 1100 ℃ and the speed is 450m/min; the mercerization condition in the step (3) is 35 ℃ and 200s. The post-finishing conditions in the step (5) are as follows: the rolling surplus rate is 75 percent, the shaping temperature is 150 ℃, and the machine speed is 25m/min.
Example 6
The differences between this embodiment and embodiment 1 are: the cotton yarn is spun by 100% long-staple cotton, and the variety is Xinhai 53. The mercerizing solution is 170g/L NaOH solution; the softener is amino silicone oil, and is purchased from Jiahong technology, product number Goon1260.
Performance testing
The knitted cotton fabrics prepared in examples 1 to 6 were subjected to performance test, and the results are shown in table 1.
(1) Tear strength: measurement is performed with reference to ASTM D5035;
(2) Shrinkage ratio: assays were performed with reference to test standard AATCC 135-2012;
(3) Fuzzing: 1000 times of grinding is carried out according to GB/T4802.1;
(4) Pilling: the measurement was carried out 1000 times by grinding with reference to GB/T4802.1.
TABLE 1 Performance test results
The mercerized cotton knitted fabric prepared by the embodiment of the application has high strength, low shrinkage, high fuzzing and pilling resistance, good glossiness, soft and comfortable hand feeling and is popular with people.
While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.

Claims (10)

1. The preparation process of the mercerized cotton knitted fabric capable of resisting fuzzing, pilling and shrinkage is characterized by comprising the following steps of:
(1) Yarn: selecting cotton yarn, and singeing the cotton yarn by a singeing machine;
(2) Weaving: knitting cotton yarn into grey cloth;
(3) Mercerizing: putting the grey cloth into mercerizing liquid for mercerizing; the mercerizing solution comprises 2-8 g/L of surfactant and 150-200 g/L of NaOH solution;
(4) Dyeing: dyeing the mercerized grey cloth;
(5) Post-finishing: putting the dyed cloth into a finishing agent for padding finishing;
(6) Cutting and sewing according to the requirements to obtain the mercerized cotton knitted fabric.
2. The process for preparing the mercerized cotton knitted fabric capable of resisting fuzzing, pilling and shrinking according to claim 1, wherein the conditions of singeing in the step (1) are as follows: the temperature of the fire port is 900-1000 ℃ and the speed is 500-550 m/min; the mercerization condition in the step (3) is 20-30 ℃ for 60-120s.
3. The process for preparing the anti-pilling anti-shrinkage mercerized cotton knitted fabric according to claim 1, wherein the surfactant in the step (3) comprises a phosphate type anionic surfactant and an AEO series nonionic surfactant, and the weight ratio of the phosphate type anionic surfactant to the AEO series nonionic surfactant is 2-5:1.
4. The process for preparing a mercerized cotton knitted fabric resistant to pilling and shrinkage according to claim 3, wherein the phosphate type surfactant is selected from one of ethylene glycol monobutyl ether phosphate, lauryl alcohol phosphate potassium salt, cetostearyl alcohol phosphate or dodecyl phosphate.
5. The process for producing a mercerized cotton knitted fabric resistant to fuzzing, pilling and shrinkage according to claim 3, wherein the AEO series nonionic surfactant is one selected from the group consisting of AEO-7, AEO-9, AEO-10, AEO-15 and AEO-20.
6. The process for preparing the mercerized cotton knitted fabric with fuzzing resistance, pilling resistance and shrinkage resistance according to claim 1, wherein the finishing agent in the step (5) comprises the following components in parts by weight: 30-35 parts of formaldehyde-free resin, 3-5 parts of catalyst, 2-4 parts of protective agent, 50-55 parts of softener, 7-9 parts of anti-Mao Qiqiu agent and adjusting the pH to 4-6 by citric acid.
7. The process for preparing the anti-pilling anti-shrinkage mercerized cotton knitted fabric according to claim 6, wherein the formaldehyde-free resin is glyoxal dimethyl urea resin, the catalyst is magnesium chloride, the protective agent is nonionic AC high polymer combined polyethylene copolymer, the softening agent comprises a higher fatty amide derivative and self-crosslinking silicone oil in a weight ratio of 1:1, and the anti-Mao Qiqiu agent is waterborne polyurethane.
8. The process for preparing the anti-pilling anti-shrinkage mercerized cotton knitted fabric according to claim 6, which is characterized in that the mass ratio of the formaldehyde-free resin to the protective agent to the softening agent to the anti-Mao Qiqiu agent is (10-12) 1 (17-18) 2-3.
9. The process for preparing the mercerized cotton knitted fabric with fuzzing and pilling resistance and shrink resistance according to claim 1, wherein the post finishing conditions in the step (5) are as follows: the rolling surplus rate is 80-85%, the shaping temperature is 165-170 ℃, and the machine speed is 25-30 m/min.
10. The mercerized cotton knitted fabric prepared by the preparation process according to any one of claims 1 to 9.
CN202310858421.7A 2023-07-12 2023-07-12 Anti-pilling anti-shrinkage mercerized cotton knitted fabric and preparation process thereof Active CN116856172B (en)

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