CN115230256A - High-performance environment-friendly school uniform fabric and preparation method thereof - Google Patents

High-performance environment-friendly school uniform fabric and preparation method thereof Download PDF

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Publication number
CN115230256A
CN115230256A CN202210699720.6A CN202210699720A CN115230256A CN 115230256 A CN115230256 A CN 115230256A CN 202210699720 A CN202210699720 A CN 202210699720A CN 115230256 A CN115230256 A CN 115230256A
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wear
friendly
outer layer
school uniform
resistant outer
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Chinese (zh)
Inventor
郑衍旭
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Guangzhou Longgepai Clothing Co ltd
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Guangzhou Longgepai Clothing Co ltd
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Priority to CN202210699720.6A priority Critical patent/CN115230256A/en
Publication of CN115230256A publication Critical patent/CN115230256A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/02—Layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/24—Resistant to mechanical stress, e.g. pierce-proof
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/26—Electrically protective, e.g. preventing static electricity or electric shock
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • 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
    • 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
    • D06M11/76—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 oxides or carbonates
    • 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
    • D06M13/10—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 oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/192—Polycarboxylic acids; Anhydrides, halides or 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
    • D06M13/395—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
    • D06M13/322—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
    • D06M13/46—Compounds containing quaternary nitrogen atoms
    • D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
    • 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
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives 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
    • 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
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2500/00—Materials for garments
    • A41D2500/50—Synthetic resins or rubbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear 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
    • 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
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters

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

Abstract

The application discloses a high-performance environment-friendly school uniform fabric and a preparation method thereof, and relates to the field of fabrics. The high-performance environment-friendly school uniform fabric comprises a skin-friendly inner layer and a wear-resistant outer layer compounded on the outer side of the skin-friendly inner layer, wherein the skin-friendly inner layer is made of pure cotton fabric, and the wear-resistant outer layer is made of polyester and fibrilia; before the wear-resistant outer layer and the skin-friendly inner layer are compounded, the wear-resistant outer layer is subjected to repeated padding treatment by adopting antistatic liquid, wherein the antistatic liquid comprises 75-85 parts by weight of EVA emulsion, 12-16 parts by weight of isocyanate, 0.1-0.2 part by weight of stabilizer, 8-10 parts by weight of oxalic acid, 6.7-8.4 parts by weight of sodium carbonate, 1-2 parts by weight of conductive filler and 100 parts by weight of water. The school uniform fabric claimed by the application has the advantages of being comfortable to wear, wear-resistant, good in antistatic performance and durable, and the service life of the school uniform can be prolonged.

Description

High-performance environment-friendly school uniform fabric and preparation method thereof
Technical Field
The invention relates to the field of fabrics, in particular to a high-performance environment-friendly school uniform fabric and a preparation method thereof.
Background
School uniform is the unified clothing of customizing for students of school, can show the student spirituality and quiver one side, also is the exclusive sign of student's youth epoch.
The existing school uniform generally mainly takes the sports wear which is convenient and comfortable to wear, and the school uniform fabric mostly adopts pure cotton fabric which is skin-friendly and good in heat resistance and antistatic performance. However, the pure cotton fabric of the school uniform is not wear-resistant, so that the school uniform is easy to get up or damaged, and the good image of students is not easy to show.
In order to solve the problem that the school uniform is easy to pilling, the inventor sets a wear-resistant layer made of environment-friendly fabric fibrilia and terylene on the outer side of pure cotton fabric.
Disclosure of Invention
In order to improve the problem that the antistatic performance of school uniform is reduced after a wear-resistant layer made of terylene is added in the related technology, the application provides a high-performance environment-friendly school uniform fabric which has both wear resistance and antistatic performance.
In a first aspect, the application provides a high-performance environment-friendly school uniform fabric which adopts the following technical scheme:
a high-performance environment-friendly school uniform fabric comprises a skin-friendly inner layer and a wear-resistant outer layer compounded on the outer side of the skin-friendly inner layer, wherein the skin-friendly inner layer is made of pure cotton fabric, and the wear-resistant outer layer is made of polyester and fibrilia;
before the wear-resistant outer layer and the skin-friendly inner layer are compounded, the wear-resistant outer layer is subjected to repeated padding treatment by adopting antistatic liquid, wherein the antistatic liquid comprises the following raw materials in parts by weight:
EVA emulsion: 75-85 parts of
Isocyanate: 12 to 16 portions of
A stabilizer: 0.1 to 0.2 portion
Oxalic acid: 8-10 parts of
Sodium carbonate: 6.7 to 8.4 portions of
Conductive filler: 1-2 parts of
Water: 100 parts.
The inventors have found that when improving the antistatic properties of the wear resistant outer layer: the EVA emulsion has good washing resistance, but the dispersibility of the filler in the EVA emulsion is poor, and when the conductive filler is not uniformly dispersed in the EVA emulsion, the antistatic liquid-treated wear-resistant outer layer can not lead out static electricity in time, namely, even if the conductive filler is added, the antistatic property of the wear-resistant outer layer can not reach the expected effect.
Wherein, this application adds oxalic acid and sodium carbonate in antistatic liquid, and oxalic acid and sodium carbonate reaction can produce carbon dioxide, under the auxiliary action of carbon dioxide, can make electrically conductive filler homodisperse to the EVA emulsion in. Meanwhile, the conductive filler is stabilized in the EVA emulsion by adding the stabilizer, so that the problem that the antistatic liquid is easy to delaminate after being placed for a long time is solved, and the uniform dispersion of the conductive filler is favorably ensured. In addition, the isocyanate is adopted to modify the EVA emulsion, so that the washing resistance and the wear resistance of the isocyanate and the EVA emulsion well are further improved.
The school uniform fabric claimed by the application has the advantages of being comfortable to wear, wear-resistant, good in antistatic performance and durable, the service life of the school uniform can be prolonged, and discarding of the school uniform is reduced.
Optionally, the conductive filler is selected from any one or more of graphene and carbon fiber, and the particle size range of the conductive filler is 20-30nm.
By adopting the technical scheme, when the particle size of the conductive filler is between 20 and 30nm, the conductive filler has good dispersibility in the antistatic liquid, is not easy to layer after being placed for a long time, and is favorable for ensuring the uniform dispersion of the conductive filler in the antistatic liquid.
Optionally, the padding process is as follows: and soaking the wear-resistant outer layer in antistatic liquid for 30-60s, and then conveying the wear-resistant outer layer between the two rollers to enable the two rollers to roll the wear-resistant outer layer.
Through adopting above-mentioned technical scheme, at the crowded process of rolling, make antistatic liquid get into wear-resisting outer inside, be favorable to improving the derivation rate of static in the wear-resisting outer, be favorable to improving wear-resisting outer antistatic performance.
Optionally, the stabilizer is selected from one or more of sodium polyacrylate and polyacrylamide.
Through adopting above-mentioned technical scheme, the stabilizer chooses for use matter that has certain viscosity such as sodium polyacrylate, polyacrylamide, can improve the bulk viscosity of antistatic liquid, and electrically conductive filler is difficult to sink for electrically conductive filler can the homodisperse in antistatic liquid.
Optionally, the preparation method of the antistatic liquid is as follows:
dissolving oxalic acid in water, adding a conductive filler, uniformly stirring, performing ultrasonic vibration dispersion for 1-2 hours, stopping ultrasonic treatment, adding sodium carbonate step by step, uniformly stirring each time of adding sodium carbonate, and standing to obtain a dispersion liquid A;
adding a stabilizer into the dispersion liquid, and stirring and dissolving uniformly to obtain a dispersion liquid B;
and adding the EVA emulsion and isocyanate into the dispersion liquid B, uniformly stirring, and performing ultrasonic vibration treatment to obtain the antistatic liquid.
By adopting the technical scheme, the conductive filler is pre-dispersed by adopting ultrasound, and then is subjected to auxiliary dispersion by carbon dioxide generated by the reaction of oxalic acid and sodium carbonate, so that the improvement of the dispersion performance of the conductive filler in antistatic liquid is facilitated; wherein, before adding the sodium carbonate, the ultrasonic treatment is stopped and the sodium carbonate is added step by step, which is beneficial to improving the stability of carbon dioxide bubbles and promoting the dispersion of the conductive filler in the antistatic liquid.
Optionally, the antistatic liquid further comprises 1-3 parts by weight of triterpenoid saponin, and the triterpenoid saponin and sodium carbonate are added simultaneously.
By adopting the technical scheme, the triterpenoid saponin is added into the antistatic liquid, and the triterpenoid saponin can assist to cause more fine bubbles, so that the dispersion of the conductive filler is further promoted.
Optionally, the antistatic liquid further comprises 4-8 parts by weight of a silane coupling agent, the silane coupling agent and oxalic acid are added simultaneously, and the silane coupling agent is selected from any one or a combination of KH550 and KH 560.
By adopting the technical scheme, the silane coupling agent is added into the antistatic liquid, so that the compatibility of the conductive filler and the EVA emulsion can be further improved, and the dispersion effect of the conductive filler in the antistatic liquid is improved.
Optionally, before the wear-resistant outer layer is treated by the antistatic liquid, the wear-resistant outer layer is repeatedly padded by the impregnating solution; the impregnation liquid comprises the following raw materials in parts by weight:
carboxymethyl chitosan: 0.5 to 1.5 portions of
Dimethyldiallylammonium chloride: 20 to 30 portions of
Water: 100 parts.
Through adopting above-mentioned technical scheme, before wear-resisting outer layer adopts antistatic liquid to handle, adopt the immersion fluid to get into wetting treatment to wear-resisting outer layer earlier, be favorable to improving the adhesion fastness of antistatic liquid on wear-resisting outer layer to further improve wear-resisting outer antistatic performance's persistence.
Optionally, the degree of deacetylation of the carboxymethyl chitosan is greater than 90%.
By adopting the technical scheme, when the deacetylation degree of the carboxymethyl chitosan is more than 90%, the dispersion performance of the carboxymethyl chitosan is better.
In a second aspect, the preparation method of the high-performance environment-friendly school uniform fabric provided by the application adopts the following technical scheme:
a preparation method of a high-performance environment-friendly school uniform fabric comprises the following steps:
preparing a dipping solution, and repeatedly padding the wear-resistant outer layer by using the dipping solution;
preparing an antistatic liquid, and repeatedly padding the wear-resistant outer layer by using the antistatic liquid;
and sewing or bonding the skin-friendly inner layer and the wear-resistant outer layer together to obtain the high-performance environment-friendly school uniform fabric.
By adopting the technical scheme, the impregnating solution is firstly adopted to wet the wear-resistant outer layer, and then the antistatic liquid is adopted to perform antistatic treatment on the wear-resistant outer layer, so that the wear-resistant outer layer has durable antistatic performance.
To sum up, the high-performance environment-friendly school uniform fabric in the application has at least the following beneficial effects:
the school uniform fabric claimed by the application has the advantages of being comfortable to wear, wear-resistant, good in antistatic performance and durable, the service life of the school uniform can be prolonged, and abandon of the school uniform is reduced.
Detailed Description
The present application will be described in further detail with reference to examples and comparative examples.
Examples
Example 1
A high-performance environment-friendly school uniform fabric comprises a skin-friendly inner layer and a wear-resistant outer layer subjected to antistatic liquid treatment, wherein the wear-resistant outer layer is compounded on the outer side of the skin-friendly inner layer. Wherein, the skin-friendly inner layer is made of pure cotton fabric, and the wear-resistant outer layer is made of 60% of fibrilia and 40% of terylene.
A preparation method of a high-performance environment-friendly school uniform fabric comprises the following steps:
preparing an antistatic liquid:
dissolving 8kg of oxalic acid in 100kg of water, adding 1kg of carbon fiber with the particle size range of 20-30nm, uniformly stirring, ultrasonically vibrating and dispersing for 1h, stopping ultrasonic treatment, adding 6.7kg of sodium carbonate, uniformly stirring, standing for 10min, and stirring to obtain a dispersion A;
adding 0.2kg of polyacrylamide with the molecular weight of 200 ten thousand into the dispersion liquid, and stirring and dissolving uniformly to obtain a dispersion liquid B;
and adding 75kg of EVA emulsion and 16kg of diphenylmethane diisocyanate into the dispersion liquid B, uniformly stirring, and carrying out ultrasonic vibration treatment for 20min to obtain the antistatic liquid.
Preparing a wear-resistant outer layer treated by an antistatic liquid;
soaking the wear-resistant outer layer in antistatic liquid for 60s, and then conveying the wear-resistant outer layer between two rollers to enable the two rollers to roll the wear-resistant outer layer; then soaking the squeezed and rolled wear-resistant outer layer in antistatic liquid for 60s again, and then sending the wear-resistant outer layer between two rollers to enable the two rollers to squeeze and roll the wear-resistant outer layer; repeating the above steps at least 3 times, wherein 3 times are taken as an example in the embodiment; and then drying the wear-resistant outer layer treated by the antistatic liquid at 45 ℃.
Preparing a high-performance environment-friendly school uniform fabric:
and bonding the skin-friendly inner layer and the wear-resistant outer layer together to obtain the high-performance environment-friendly school uniform fabric.
Example 2
The high-performance environment-friendly school uniform fabric is different from the fabric in the embodiment 1 in that:
the wear-resistant outer layer is made of 70% of fibrilia and 30% of terylene;
the dosage of oxalic acid in the antistatic liquid is 10kg, the dosage of carbon fiber with the particle size range of 20-30nm is 2kg, the dosage of sodium carbonate is 8.4kg, the molecular weight of polyacrylamide is 400 ten thousand, the dosage of polyacrylamide is 0.1kg, the dosage of EVA emulsion is 85kg, and the dosage of diphenylmethane diisocyanate is 12kg.
Example 3
The high-performance environment-friendly school uniform fabric is different from the fabric in the embodiment 1 in that:
preparing an antistatic liquid:
dissolving 8kg of oxalic acid in water, adding 1kg of carbon fiber with the particle size range of 20-30nm, uniformly stirring, ultrasonically vibrating and dispersing for 1h, stopping ultrasonic treatment, adding 3.7kg of sodium carbonate, uniformly stirring, standing for 10min, adding 3kg of sodium carbonate, uniformly stirring, and continuously standing for 10min to obtain a dispersion A.
Example 4
The high-performance environment-friendly school uniform fabric is different from the fabric in the embodiment 1 in that:
preparing an antistatic liquid:
dissolving 8kg of oxalic acid in 100kg of water, adding 1kg of carbon fibers with the particle size range of 20-30nm, uniformly stirring, performing ultrasonic vibration for dispersing for 1 hour, stopping ultrasonic treatment, adding 1kg of triterpenoid saponin and 6.7kg of sodium carbonate, uniformly stirring, standing for 10min, and stirring to obtain a dispersion A.
Example 5
A high-performance environment-friendly school uniform fabric is different from the fabric in embodiment 4 in that:
preparing an antistatic liquid:
dissolving 8kg of oxalic acid and 4kg of silane coupling agent KH550 in 100kg of water, adding 1kg of carbon fiber with the particle size range of 20-30nm, uniformly stirring, performing ultrasonic vibration dispersion for 1h, stopping ultrasonic treatment, adding 1kg of triterpenoid saponin and 6.7kg of sodium carbonate, uniformly stirring, standing for 10min, and stirring to obtain dispersion A.
Example 6
The high-performance environment-friendly school uniform fabric is different from the fabric in the embodiment 1 in that: before the anti-static liquid is adopted to treat the wear-resistant outer layer, the impregnation liquid is prepared, and the impregnation liquid is adopted to treat the wear-resistant outer layer.
The preparation method of the impregnation liquid comprises the following steps:
1.5kg of carboxymethyl chitosan with deacetylation degree of 95% and viscosity of 200mpa.s and 20kg of polydimethyldiallyl ammonium chloride were added to 100kg of water, and mixed uniformly to obtain a solution.
The method for treating the wear-resistant outer layer by using the impregnation liquid comprises the following steps:
soaking the wear-resistant outer layer in the impregnation liquid for 60s, and then conveying the wear-resistant outer layer between two rollers to enable the two rollers to roll the wear-resistant outer layer; then soaking the squeezed wear-resistant outer layer in the impregnation liquid for 60s again, and then sending the wear-resistant outer layer between two rollers to enable the two rollers to squeeze the wear-resistant outer layer; repeating the above steps at least 3 times, wherein 3 times are taken as an example in the embodiment; and then drying the wear-resistant outer layer treated by the impregnation liquid at 45 ℃.
Example 7
A high-performance environment-friendly school uniform fabric is different from the fabric in embodiment 6 in that:
the preparation method of the impregnation liquid comprises the following steps:
2.5kg of carboxymethyl chitosan having a degree of deacetylation of 95% and a viscosity of 100mpa.s and 30kg of polydimethyldiallylammonium chloride were added to 100kg of water, and mixed uniformly to obtain a solution.
Comparative example
Comparative example 1
The school uniform fabric is different from the school uniform fabric in example 1 in that:
the preparation method of the antistatic liquid comprises the following steps: adding 4kg of silane coupling agent KH550 into 100kg of water, stirring uniformly, adding 1kg of carbon fiber with the particle size range of 20-30nm, stirring uniformly, performing ultrasonic vibration dispersion for 2 hours, then adding 75kg of EVA emulsion and 16kg of diphenylmethane diisocyanate, stirring uniformly, and performing ultrasonic vibration treatment for 20min to obtain the antistatic liquid.
Comparative example 2
A school uniform fabric, which is different from the embodiment 1 in that:
the diphenylmethane diisocyanate in the antistatic liquid is replaced by an equivalent amount of EVA emulsion.
Performance data detection
1. Wear resistance: the test is carried out by referring to GB/T21196.2-2007 determination of the part 2 sample damage of the abrasion resistance of the martindale fabrics, the test objects are the abrasion-resistant outer layers after the antistatic liquid treatment in the examples 1-7 and the comparative examples 1-2, and the times required for the abrasion of the abrasion-resistant outer layers are recorded by taking the abrasion-resistant outer layers after being soaked in water as a contrast.
2. Antistatic performance: the antistatic performance of the fabric conditioner is detected by referring to GB/T16801-2013 'antistatic performance of the fabric conditioner', and the larger the logarithmic value of the surface specific resistance is reduced by delta lg rho, the better the antistatic performance is. Wherein, Δ lg ρ 0 The corresponding school uniform fabric is not subjected to friction treatment, and the delta lg rho 1 The corresponding school uniform fabric is subjected to 50 times of rubbing treatment.
TABLE 1 abrasion resistance of the abrasion resistant outer layers of examples 1-7 and comparative examples 1-2
Item Example 1 Example 2 Example 3 Example 4 Example 5
Number of rubs/times 8000 10000 8000 8000 8000
Item Example 6 Example 7 Comparative example 1 Comparative example 2 Control group
Number of rubs/times 16000 16000 8000 6000 5000
TABLE 2 antistatic Properties of school uniform fabrics in examples 1-7 and comparative examples 1-2
Item Example 1 Example 2 Example 3 Example 4 Example 5
Δlgρ0/Ω 2.84 3.56 2.93 2.92 3.02
Δlgρ1/Ω 1.87 2.73 1.97 1.95 2.06
Item Example 6 Example 7 Comparative example 1 Comparative example 2
Δlgρ0/Ω 2.76 2.77 1.53 2.80
Δlgρ1/Ω 2.65 2.73 0.07 0.80
It can be seen from the combination of examples 1 to 7 and comparative examples 1 to 2 and table 1 that the abrasion resistance of the abrasion resistant outer layer treated with the antistatic liquid or treated with the impregnating solution and the antistatic liquid is improved as compared with the abrasion resistant outer layer without treatment. Wherein, the wear-resistant outer layer treated by the impregnating solution and the antistatic solution has the best wear resistance. The reason is that after the wear-resistant outer layer is subjected to impregnation treatment by the impregnation liquid, the moisture absorption performance is improved, the antistatic liquid can enter the wear-resistant outer layer more favorably, and meanwhile, the adhesion fastness of the antistatic liquid to the wear-resistant outer layer can be further improved due to the viscosity of the carboxymethyl chitosan, so that the wear resistance of the wear-resistant outer layer is further improved.
By combining the example 1 with the comparative example 1 and the table 2, it can be known that when no oxalic acid, sodium carbonate and polyacrylamide are added into the antistatic liquid, the antistatic performance of the school uniform fabric is greatly reduced, and the antistatic performance of the school uniform fabric after well friction is also greatly reduced, which is not beneficial to improving the lasting antistatic performance of the school uniform fabric.
By combining the example 1 with the comparative example 2 and the table 2, when the diphenylmethane diisocyanate is not added into the antistatic liquid, the antistatic performance of the school uniform fabric after friction is greatly reduced, which is not beneficial to improving the lasting antistatic performance of the school uniform fabric.
Combining example 1 with example 3 and table 2, it can be seen that the addition of sodium carbonate in two steps is beneficial to further improving the antistatic performance of the school uniform fabric.
By combining the examples 1 and 4-5 with the table 2, it can be seen that the addition of the triterpenoid saponin and the silane coupling agent is beneficial to further improving the antistatic performance of the school uniform fabric.
Combining the examples, 6-7 and table 2, it can be seen that the wear-resistant outer layer is treated by the impregnating solution and the antistatic liquid together, which is not only beneficial to further improving the antistatic performance of the school uniform fabric, but also can effectively improve the lasting antistatic performance of the school uniform fabric.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (10)

1. The utility model provides a high performance's environmental protection school uniform surface fabric which characterized in that: the skin-friendly anti-abrasion fabric comprises a skin-friendly inner layer and an abrasion-resistant outer layer compounded on the outer side of the skin-friendly inner layer, wherein the skin-friendly inner layer is made of pure cotton fabric, and the abrasion-resistant outer layer is made of polyester and fibrilia;
before the wear-resistant outer layer and the skin-friendly inner layer are compounded, the wear-resistant outer layer is subjected to repeated padding treatment by adopting antistatic liquid, and the antistatic liquid comprises the following raw materials in parts by weight:
EVA emulsion: 75 to 85 portions of
Isocyanate: 12 to 16 portions of
A stabilizer: 0.1 to 0.2 portion
Oxalic acid: 8 to 10 portions of
Sodium carbonate: 6.7 to 8.4 portions of
Conductive filler: 1 to 2 portions of
Water: 100 parts.
2. The high-performance environment-friendly school uniform fabric according to claim 1, characterized in that: the conductive filler is selected from any one or more of graphene and carbon fiber, and the particle size range of the conductive filler is 20-30nm.
3. The high-performance environment-friendly school uniform fabric according to claim 1, characterized in that: the padding treatment is as follows: and (3) soaking the wear-resistant outer layer in antistatic liquid for 30-60s, and then conveying the wear-resistant outer layer between two rollers to enable the two rollers to roll the wear-resistant outer layer.
4. The high-performance environment-friendly school uniform fabric according to claim 1, characterized in that: the stabilizer is selected from one or more of sodium polyacrylate and polyacrylamide.
5. The high-performance environment-friendly school uniform fabric according to claim 1, characterized in that: the preparation method of the antistatic liquid comprises the following steps:
dissolving oxalic acid in water, adding a conductive filler, uniformly stirring, performing ultrasonic vibration dispersion for 1-2 hours, stopping ultrasonic treatment, adding sodium carbonate step by step, uniformly stirring each time of adding sodium carbonate, and standing to obtain a dispersion liquid A;
adding a stabilizer into the dispersion liquid, and stirring and dissolving uniformly to obtain a dispersion liquid B;
and adding the EVA emulsion and isocyanate into the dispersion liquid B, uniformly stirring, and carrying out ultrasonic vibration treatment to obtain the antistatic liquid.
6. The high-performance environment-friendly school uniform fabric according to claim 5, characterized in that: the antistatic liquid also comprises 1-3 parts by weight of triterpenoid saponin, and the triterpenoid saponin and sodium carbonate are synchronously added.
7. The high-performance environment-friendly school uniform fabric according to claim 6, characterized in that: the antistatic liquid also comprises 4-8 parts by weight of silane coupling agent, wherein the silane coupling agent and oxalic acid are added synchronously, and the silane coupling agent is selected from one or a combination of KH550 and KH 560.
8. The high-performance environment-friendly school uniform fabric according to any one of claims 1 to 7, wherein: before the wear-resistant outer layer is treated by adopting the antistatic liquid, the wear-resistant outer layer is repeatedly padded by adopting a steeping liquor; the impregnation liquid comprises the following raw materials in parts by weight:
carboxymethyl chitosan: 1.5 to 2.5 portions
Polydimethyldiallylammonium chloride: 20-30 parts of
Water: 100 parts.
9. The high-performance environment-friendly school uniform fabric according to claim 8, characterized in that: the deacetylation degree of the carboxymethyl chitosan with the viscosity of 100-200mpa.s is more than 90%.
10. The preparation method of the high-performance environment-friendly school uniform fabric as claimed in any one of claim 9, characterized by comprising the following steps:
preparing a dipping solution, and repeatedly padding the wear-resistant outer layer by using the dipping solution;
preparing antistatic liquid, and repeatedly padding the wear-resistant outer layer by adopting the antistatic liquid;
compounding the skin-friendly inner layer and the wear-resistant outer layer together to obtain the high-performance environment-friendly school uniform fabric.
CN202210699720.6A 2022-06-20 2022-06-20 High-performance environment-friendly school uniform fabric and preparation method thereof Pending CN115230256A (en)

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Application publication date: 20221025