CN111118910A - Single-sided velvet and preparation method thereof - Google Patents
Single-sided velvet and preparation method thereof Download PDFInfo
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- CN111118910A CN111118910A CN201811295022.XA CN201811295022A CN111118910A CN 111118910 A CN111118910 A CN 111118910A CN 201811295022 A CN201811295022 A CN 201811295022A CN 111118910 A CN111118910 A CN 111118910A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/02—Pile fabrics or articles having similar surface features
- D04B1/04—Pile fabrics or articles having similar surface features characterised by thread material
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B13/00—Treatment of textile materials with liquids, gases or vapours with aid of vibration
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C13/00—Shearing, clipping or cropping surfaces of textile fabrics; Pile cutting; Trimming seamed edges
- D06C13/08—Cutting pile loops
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using knitted fabrics
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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- D06N2209/00—Properties of the materials
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Abstract
The invention discloses a single-sided velvet, which is manufactured by the steps of weaving, napping, dipping, padding, Ultraviolet (UV) photocuring treatment, washing, drying and the like in sequence, wherein the steps of dipping, padding and photocuring endow the single-sided velvet with multifunction, the single-sided velvet is dipped into an Ultraviolet (UV) photocuring coating and is introduced with micro-nano bubbles, then the padding treatment is carried out through a roller, redundant coating is extruded out, the subsequent photocuring treatment enables the coating to be cured into a film, a functional coating is obtained, and a final product is obtained through washing and drying. The single-sided velvet prepared by the invention has the following beneficial effects: the single-sided velvet prepared by the process has excellent antibacterial, flame-retardant and breathable functions on the premise of ensuring certain bonding strength, wear resistance and water resistance, and meets the requirements of high-grade fabrics.
Description
Technical Field
The invention belongs to the field of textile engineering, and particularly relates to a single-sided velvet and a preparation method thereof.
Background
The knitting velvet product has the characteristics of full fluff and soft hand feeling, is deeply loved by consumers and gradually becomes a pretty market at home and abroad. Single-sided pile belongs to a knitted pile product, which is generally used as a base fabric/base fabric of a composite fabric, and then the composite fabric composed of the single-sided pile and other fabrics is made into a corresponding knitted pile product.
Utility model CN202945413U discloses a single face fine hair, is formed by 100D 144F face silk and 150D 48F's end silk in proper order cluster cover through the weft knitting, has had antistatic agent moreover on the surface fabric basis to improve the antistatic properties of surface fabric, increased the travelling comfort of dress, but the functionality only restricts antistatic properties.
With the improvement of living standard, the requirements of people on the single-sided velvet product are not limited to wear resistance, cold resistance and gorgeous colors, and the single-sided velvet product also has multiple functions so as to meet the requirements of high-grade fabrics. The nano material is a material with excellent performance, and can make the fabric have special ultraviolet resistance, visible light and infrared ray absorption, ageing resistance, high strength and toughness, good conductive and electrostatic shielding effects, strong antibacterial and flame retardant properties and the like by virtue of the special quantum size effect.
Disclosure of Invention
The invention provides the single-sided velvet and the preparation method thereof in order to overcome the defects of the prior art, and the single-sided velvet prepared by the process has excellent antibacterial, flame retardant and breathable functions.
The purpose of the invention is realized by the following technical scheme: the single-sided velvet and the preparation method thereof comprise the following specific steps:
(1) weaving, namely weaving 100D48F low-elasticity polyester yarns and 150D72F low-elasticity polyester yarns into terry grey cloth through a single-side weft knitting terry stitch by a circular knitting machine;
(2) napping and raising, namely napping 150D72F low-elasticity polyester yarns by using a napping machine to obtain a looped pile structure, and then snapping the looped pile by using dense steel needles to form fluffy pile with certain fluff feeling, so as to prepare single-sided pile;
(3) dipping step, dipping the single-side velvet to be treated into the prepared Ultraviolet (UV) light curing coating3~5h lets in the permeability of the coating that micro-nano bubble formed after soaking the coating in order to guarantee the single-sided fine hair in the course of treatment, and the bubble is produced by the micro-nano bubble generating device of ultrasonic wave, and the coating composition calculates with parts by weight, includes: 35-45 parts of epoxy acrylate resin, 10-20 parts of epoxy resin, 5-10 parts of acrylic emulsion, 7-10 parts of glycerol, 20-30 parts of K550 silane coupling agent, 1-10 parts of organic phosphorus flame retardant, 1-5 parts of nano magnesium hydroxide and nano SiO21-10 parts of irgacure 2959 photoinitiator, 5-10 parts of defoamer, 1-5 parts of terpene rosin resin and 5-10 parts of active diluent, wherein the irgacure 2959 photoinitiator is a high-efficiency non-yellowing ultraviolet initiator and is used for initiating ultraviolet curing polymerization reaction of unsaturated prepolymer and monomer;
(4) padding, namely padding the fabric obtained in the step (3) by using a roller, wherein the pressure is 0.5-0.8 MPa, and extruding redundant coating;
(5) ultraviolet (UV) photocuring, namely placing the padded fabric under an ultraviolet generator, and irradiating the surface with ultraviolet rays generated by an instrument to perform photocuring to obtain a functional coating, wherein the treatment time is 5-10 min;
(6) a water washing step, namely soaking the fabric subjected to the photocuring treatment in water for washing, and adding a softener to soften the single-sided velvet and make the single-sided velvet have better hand feeling;
(7) and a drying step, drying the washed single-sided velvet to complete the whole treatment process.
Further, the working parameters of the ultrasonic micro-nano bubble generating device are as follows: the power per unit area is 5-9W/cm2The working frequency is 20-25 kHz.
Furthermore, the size range of the micro-nano bubbles generated by the ultrasonic micro-nano bubble generating device is 10-1000 nm.
Further, the flame retardant in the Ultraviolet (UV) light curing coating is organic phosphorus flame retardant and nano magnesium hydroxide, wherein the nano magnesium hydroxide can be replaced by nano aluminum hydroxide or nano antimony trioxide.
Further, the ultraviolet ray (UV)The antibacterial component in the photocureable coating is nano SiO2Which can be replaced by nano TiO2Or nano Ag.
Further, the irgacure 2959 photoinitiator in the Ultraviolet (UV) light curing coating belongs to a free radical type photoinitiator, and the absorption peak of ultraviolet rays in a methanol solution is 276 nm.
Furthermore, the thickness of the functional coating obtained by UV light curing in the step (5) is controlled to be 20-100 μm.
Further, the single-sided velvet comprises a ground tissue, a napped tissue and a functional coating.
Compared with the prior art, the invention has the following beneficial effects: the single-sided velvet prepared by the process has excellent antibacterial, flame-retardant and breathable functions on the premise of ensuring certain bonding strength, wear resistance and water resistance, and meets the requirements of high-grade fabrics.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that the examples are only for the purpose of the present invention and are not intended to limit the scope of the present invention.
Example 1:
the single-sided velvet and the preparation method thereof comprise the following specific steps:
(1) weaving, namely weaving 100D48F low-elasticity polyester yarns and 150D72F low-elasticity polyester yarns into terry grey cloth through a single-side weft knitting terry stitch by a circular knitting machine;
(2) napping and raising, namely napping 150D72F low-elasticity polyester yarns by using a napping machine to obtain a looped pile structure, and then snapping the looped pile by using dense steel needles to form fluffy pile with certain fluff feeling, so as to prepare single-sided pile;
(3) an immersion step, in which the single-sided velvet to be treated is immersed in the diluted liquid of the diluent (deionized water)
In the Ultraviolet (UV) photocureable coating, the ratio of the coating to deionized water is 3-5: 1 in parts by weight, the dipping time is 3-5 h, and micro-nano bubbles are introduced in the treatment process to ensure that the functional coating formed after the single-sided velvet is dipped into the coatingThe gas permeability on layer, the bubble is produced by the micro-nano bubble generating device of ultrasonic wave, and the working parameter of device is as follows: the power per unit area is 5-9W/cm2The working frequency is 20-25 kHz. The coating comprises the following components in parts by weight: 45 parts of epoxy acrylate resin, 20 parts of epoxy resin, 10 parts of acrylic emulsion, 10 parts of glycerol, 30 parts of K550 silane coupling agent, 10 parts of organic phosphorus flame retardant, 5 parts of nano magnesium hydroxide and nano SiO210 parts of irgacure 2959 photoinitiator, 5 parts of defoaming agent, 5 parts of terpene rosin resin and 10 parts of active diluent, wherein the irgacure 2959 photoinitiator is a high-efficiency non-yellowing ultraviolet initiator and is used for initiating ultraviolet curing polymerization reaction of unsaturated prepolymer and monomer;
(4) a padding step, namely feeding the fabric obtained in the step (3) into a roller device, feeding the fabric into a space between two rollers, performing padding treatment by using the rollers, keeping the pressure between 0.5 and 0.8 MPa, and extruding redundant coating;
(5) ultraviolet (UV) light curing treatment, namely, placing the padded fabric under a 1000W ultraviolet generator, irradiating the surface with ultraviolet rays generated by an instrument for curing treatment, and carrying out light curing crosslinking reaction
Forming a functional coating, wherein the treatment time is 5-10 min;
(6) a water washing step, namely soaking the fabric subjected to the photocuring treatment in water for washing, and adding a softener to soften the single-sided velvet and make the single-sided velvet have better hand feeling;
(7) and a drying step, namely placing the washed single-sided velvet into a drying box, and drying for 5-10 min at the temperature of 120-150 ℃ to finish the whole treatment process.
The size range of the micro-nano bubbles generated by the ultrasonic micro-nano bubble generating device is 10-1000 nm.
The flame retardant in the Ultraviolet (UV) light curing coating comprises an organic phosphorus flame retardant and nano magnesium hydroxide, wherein the nano magnesium hydroxide can be replaced by nano aluminum hydroxide or nano antimony trioxide.
The antibacterial component in the Ultraviolet (UV) photocureable coating is nano SiO2Which is replaceableIs nano TiO2Or nano Ag.
The irgacure 2959 photoinitiator in the Ultraviolet (UV) photocureable coating belongs to a free radical photoinitiator, and the absorption peak of ultraviolet in a methanol solution is 276 nm.
The thickness of the functional coating obtained by UV light curing in the step (5) is controlled to be 20-100 μm.
The single-sided velvet comprises a ground tissue, a napped tissue and a functional coating.
Example 2: the difference from example 1 is that: the Ultraviolet (UV) light curing coating has different contents of components, and comprises the following components in parts by weight: 35 parts of epoxy acrylate resin, 10 parts of epoxy resin, 5 parts of acrylic emulsion, 7 parts of glycerol, 20 parts of K550 silane coupling agent, 1 part of organic phosphorus flame retardant, 1 part of nano magnesium hydroxide and nano SiO21 part of irgacure 2959 photoinitiator, 1 part of defoaming agent, 1 part of terpene rosin resin and 5 parts of reactive diluent.
Example 3: the differences from example 1 and example 2 are: the Ultraviolet (UV) light curing coating has different contents of components, and comprises the following components in parts by weight: 40 parts of epoxy acrylate resin, 15 parts of epoxy resin, 7 parts of acrylic emulsion, 8 parts of glycerol, 25 parts of K550 silane coupling agent, 5 parts of organic phosphorus flame retardant, 3 parts of nano magnesium hydroxide and nano SiO25 parts of irgacure 2959 photoinitiator, 3 parts of defoaming agent, 3 parts of terpene rosin resin and 7 parts of reactive diluent.
The following tests were conducted in combination with examples 1 to 3 of the present invention and comparative examples 1 to 3 to conduct the tests of flame retardancy, antibacterial property and air permeability,
the limit oxygen index (LOI value), the bacteriostatic rate and the air permeability of the single-sided velvet are respectively tested. The flame resistance test is carried out according to GB/T5454-1997 by using an oxygen index meter, the antibacterial test is carried out according to GB15979-2002, and the air permeability test is carried out according to GB/T5453-1997 by using a digital fabric air permeability meter. Comparative example 1 is different from example 3 in that no organic phosphorus flame retardant is added to the Ultraviolet (UV) light-curable coating composition, and comparative example 2 is different from example 3 in that no organic phosphorus flame retardant is added to the Ultraviolet (UV) light-curable coating compositionOrganic phosphorus flame retardant and nano magnesium hydroxide are added, and the difference between the comparative example 3 and the example 3 is that the organic phosphorus flame retardant, the nano magnesium hydroxide and the nano SiO are not added in the Ultraviolet (UV) light-cured coating component2The specific test results are shown in table 1.
Table 1 shows the results of the flame retardant, antibacterial, and air permeability tests of examples 1 to 3 of the present invention and comparative examples 1 to 3, and the results show that the single-sided velvet of examples 1 to 3 has excellent flame retardant, antibacterial, and air permeability properties. The limit oxygen index (LOI value) of the one-sided pile in examples 1 to 3 was more than 27, and therefore it was considered that the one-sided pile was a flame-retardant material and possessed excellent flame retardancy. The flame retardancy of comparative examples 1 to 3 was not as good as that of examples 1 to 3, showing that the organophosphorus flame retardant and the nano magnesium hydroxide significantly improved the flame retardancy of one-sided velvet, and the antibacterial property test shows that nano SiO2The antibacterial performance of the single-sided velvet is greatly influenced, the examples 1-3 and the comparative examples 1-2 have better antibacterial performance, the antibacterial rate is higher than 90%, and the antibacterial effect on escherichia coli and staphylococcus aureus is good, while the comparative example 3 does not contain nano SiO2The antibacterial performance is the worst, and the antibacterial effect is not good. The ventilation test result shows that the functional coating has good ventilation property and the ventilation rate is maintained at a good level because the ultrasonic micro-nano bubble generating device is used in the dipping treatment.
TABLE 1 flame retardant, antimicrobial, permeability test data for inventive examples 1-3 and comparative examples 1-3
The invention provides a single-sided velvet and a preparation method thereof, which can obtain the following beneficial effects: the single-sided velvet prepared by the process has certain bonding strength, wear resistance and waterproof performance, and also has excellent antibacterial, flame-retardant and breathable functions, so that the development requirements of modern high-grade fabrics are met.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The preparation method of the single-sided velvet is characterized by comprising the following specific steps:
(1) weaving, namely weaving 100D48F low-elasticity polyester yarns and 150D72F low-elasticity polyester yarns into terry grey cloth through a single-side weft knitting terry stitch by a circular knitting machine;
(2) napping and raising, namely napping 150D72F low-elasticity polyester yarns by using a napping machine to obtain a looped pile structure, and then snapping the looped pile by using dense steel needles to form fluffy pile with certain fluff feeling, so as to prepare single-sided pile;
(3) the dipping step, the single-sided fine hair that will treat is soaked 3~5h in the ultraviolet curing coating that prepares in advance, lets in the micro-nano bubble in the course of the treatment in order to guarantee the gas permeability of the coating that the single-sided fine hair forms after soaking the coating, and the bubble is produced by the micro-nano bubble generating device of ultrasonic wave, and the coating composition calculates with parts by weight, includes: 35-45 parts of epoxy acrylate resin, 10-20 parts of epoxy resin, 5-10 parts of acrylic emulsion, 7-10 parts of glycerol, 20-30 parts of K550 silane coupling agent, 1-10 parts of organic phosphorus flame retardant, 1-5 parts of nano magnesium hydroxide and nano SiO21-10 parts of irgacure 2959 photoinitiator, 5-10 parts of defoamer, 1-5 parts of terpene rosin resin and 5-10 parts of active diluent;
(4) padding, namely padding the fabric obtained in the step (3) by using a roller, wherein the pressure is 0.5-0.8 MPa, and extruding redundant coating;
(5) ultraviolet light curing treatment, namely placing the padded fabric under an ultraviolet generator, and irradiating the surface with ultraviolet light generated by an instrument for light curing treatment to obtain a functional coating, wherein the treatment time is 5-10 min;
(6) a water washing step, namely soaking the fabric subjected to the photocuring treatment in water for washing, and adding a softener to soften the single-sided velvet and make the single-sided velvet have better hand feeling;
(7) and a drying step, drying the washed single-sided velvet to complete the whole treatment process.
2. The preparation method of the single-sided velvet as claimed in claim 1, wherein the working parameters of the ultrasonic micro-nano bubble generating device are as follows: the power per unit area is 5-9W/cm2The working frequency is 20-25 kHz.
3. The preparation method of the single-sided velvet as claimed in claim 1, wherein the size range of the micro-nano bubbles generated by the ultrasonic micro-nano bubble generating device is 10-1000 nm.
4. The method for preparing single-sided velvet as claimed in claim 1, wherein the flame retardant in the uv-curable coating is organic phosphorus flame retardant and nano magnesium hydroxide, wherein the nano magnesium hydroxide can be replaced by nano aluminum hydroxide or nano antimony trioxide.
5. The method for preparing single-sided velvet as claimed in claim 1, wherein the antibacterial component in the UV-curable coating is nano SiO2Which can be replaced by nano TiO2Or nano Ag.
6. The method for preparing single-sided velvet according to claim 1, wherein the irgacure 2959 photoinitiator in the ultraviolet light curing coating belongs to a radical type photoinitiator, and the absorption peak of ultraviolet light in a methanol solution is 276 nm.
7. The method for preparing single-sided velvet according to claim 1, wherein the thickness of the functional coating obtained by the ultraviolet light curing treatment in step (5) is controlled to be 20 to 100 μm.
8. The single-sided velvet prepared by the method for preparing the single-sided velvet according to any one of claims 1 to 7, which is characterized by comprising a ground texture, a napped texture and a functional coating.
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