CN112252044A - Preparation method of double-sided anisotropic non-ironing fabric - Google Patents
Preparation method of double-sided anisotropic non-ironing fabric Download PDFInfo
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- CN112252044A CN112252044A CN202011059431.7A CN202011059431A CN112252044A CN 112252044 A CN112252044 A CN 112252044A CN 202011059431 A CN202011059431 A CN 202011059431A CN 112252044 A CN112252044 A CN 112252044A
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- 239000004744 fabric Substances 0.000 title claims abstract description 129
- 238000010409 ironing Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 238000001035 drying Methods 0.000 claims abstract description 22
- 238000007790 scraping Methods 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims description 33
- 229920005989 resin Polymers 0.000 claims description 33
- 239000004902 Softening Agent Substances 0.000 claims description 14
- 239000003431 cross linking reagent Substances 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 12
- 239000002562 thickening agent Substances 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 6
- -1 polysiloxane Polymers 0.000 claims description 6
- 238000004078 waterproofing Methods 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 229920003043 Cellulose fiber Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 2
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000001153 anti-wrinkle effect Effects 0.000 abstract description 6
- 239000004753 textile Substances 0.000 abstract description 4
- 238000004043 dyeing Methods 0.000 abstract description 3
- 238000007639 printing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 239000005871 repellent Substances 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 5
- 238000003889 chemical engineering Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000010022 rotary screen printing Methods 0.000 description 4
- 210000004243 sweat Anatomy 0.000 description 4
- 230000005660 hydrophilic surface Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 229920000433 Lyocell Polymers 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229920013822 aminosilicone Polymers 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- YFSUTJLHUFNCNZ-UHFFFAOYSA-N perfluorooctane-1-sulfonic acid Chemical compound OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YFSUTJLHUFNCNZ-UHFFFAOYSA-N 0.000 description 1
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/16—Processes for the non-uniform application of treating agents, e.g. one-sided treatment; Differential treatment
-
- 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
- D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/155—Halides of elements of Groups 2 or 12 of the Periodic Table
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
-
- 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
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
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- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention belongs to the technical field of textile printing and dyeing, and particularly relates to a preparation method of a double-sided anisotropic non-ironing fabric. Coating waterproof slurry on one surface of the fabric in a scraping way, and drying; baking and finishing the fabric coated with the waterproof slurry in a scraping way; padding the baked and finished fabric with a finishing agent and then drying; and (4) baking and finishing the fabric padded with the finishing agent, and pre-shrinking and finishing to obtain the double-sided anisotropic non-ironing fabric. The invention has short production flow, easy operation and high processing efficiency, can improve the water absorption, the integral anti-wrinkle effect and the washability of the water absorption surface of the single-parent single-waterproof fabric, and is suitable for a large-batch and fast-paced production mode.
Description
Technical Field
The invention belongs to the technical field of textile printing and dyeing, and particularly relates to a preparation method of a double-sided anisotropic non-ironing fabric.
Background
In recent years, people have higher and higher requirements on the comfort, health, safety, environmental protection and the like of garment materials, so that the garment has the requirements of good comfort and no cold and wet feeling caused by skin adhesion once sweat streams down to the back when people move to the full. In the traditional pure cotton fabric, due to the existence of hydroxyl, the moisture absorption capacity is strong, but the moisture dispersion capacity is poor, so that a cold and wet feeling is brought to people, and the comfort of the pure cotton fabric is damaged to a great extent. At present, textiles with single performance cannot meet the living requirements of people and the requirements on the multifunction of products.
Therefore, many textile manufacturers have developed single-hydrophilic and single-repellent fabrics, and the current production technology of such fabrics generally adopts a coating mode to endow the front surface of the fabric with certain hydrophobicity, and the back surface of the fabric with certain hydrophilicity. When a human body wears the clothes, particularly when sweating, on one hand, because the skin-close surface has certain hydrophilicity, the sweat is easy to be absorbed by the fabric and then evaporated under the friction action of the skin and the fabric, and the wearing comfort of the fabric is ensured; on the other hand, the outer layer of the fabric has certain hydrophobicity, so that the fabric has certain antifouling function, and obvious sweat spots cannot be generated on the front surface of the fabric after sweat of a human body is absorbed, so that the generation of an inelegant phenomenon is avoided. The fabric is comfortable to wear and is a high-grade pure cotton business fabric with bright characteristics. Although the permeation degree of the water-repellent slurry in the fabric is accurately controlled under the control of a reasonable slurry system and process conditions, the water-repellent slurry is dried when the water-repellent slurry does not reach the back surface of the fabric, and the original hydrophilicity of the back surface of the fabric is ensured as much as possible, the hydrophilicity of the back surface is influenced by different degrees due to different thickness degrees of the fabric because the fabric is lighter and thinner.
Chinese patent CN 103469586A discloses a preparation method of a waterproof breathable fabric, which comprises the following steps: carrying out a rotary screen printing waterproof finishing step on one side of the fabric, and applying a hydrophobic agent to one side of the fabric, wherein the hydrophobic agent consists of the following components: 80-100g/kg of polyether ester elastomer, 20-30g/kg of stearic acid isopropenyl alcohol ester, 5-10g/kg of dimethyl hydrogen-containing polysiloxane and 1-3g/kg of aluminum zirconium ester coupling agent; and then carrying out hydrophilic finishing on the other surface of the fabric by a padding method. The waterproof and breathable fabric is realized by means of a rotary screen printing process path, the fabric only has waterproof and breathable performance after finishing processing, and the fabric does not have the non-ironing characteristic.
Chinese patent CN 102493190A discloses a finishing process of a single-parent single-protection garment material, comprising the weaving step of a fabric; a pretreatment step: sequentially refining, dyeing, soaping and drying the fabric obtained after weaving; a rotary screen printing waterproof finishing step; and (3) a hydrophilic finishing step by a padding method to finish finishing the single-hydrophilic single-prevention garment material. The single-parent single-protection performance of the fabric in the patent is realized by means of a process path of rotary screen printing, and the fabric after finishing and processing only has the single-parent single-protection performance and does not have the characteristic of non-ironing.
The conventional single-hydrophilic single-protective fabric has the problems of poor hydrophilic surface water absorption, poor overall anti-wrinkle effect, poor water washing resistance, rough hand feeling and the like, and at present, a preparation method of the double-sided anisotropic non-ironing fabric which can realize the double-sided anisotropic effect that one surface is waterproof and the other surface is hydrophilic and has good anti-wrinkle non-ironing property and washing resistance is urgently needed.
Disclosure of Invention
The invention aims to provide a preparation method of a double-sided opposite-nature non-ironing fabric, which is simple in production operation, short in production and processing flow and suitable for a large-batch and fast-paced production mode.
The preparation method of the double-sided anisotropic non-ironing fabric comprises the following steps:
(1) coating waterproof slurry on one surface of the fabric in a scraping way, and drying;
(2) baking and finishing the fabric coated with the waterproof slurry in a scraping way;
(3) padding the baked and finished fabric with a finishing agent and then drying;
(4) and (4) baking and finishing the fabric padded with the finishing agent, and pre-shrinking and finishing to obtain the double-sided anisotropic non-ironing fabric.
The fabric in the step (1) is a fabric with warp and weft yarns which are pure cotton yarns or a interwoven fabric of cotton fibers and cellulose fibers, and the gram weight of the fabric is 110-2。
The cellulose fiber is one of viscose, hemp, tencel or modal.
The waterproof slurry in the step (1) is prepared from the following raw materials in percentage by weight:
8 to 20 percent of waterproofing agent
6 to 11 percent of thickening agent
71-84% of water.
The waterproof agent is a fluorocarbon acrylate polymer, and is preferably one of Tuonan 6 three-proofing auxiliary agent CLEAN, Jiangsu Ruiyang Antai fluoride-free waterproof auxiliary agent WR-7000 or high chemical engineering waterproof agent FF.
The thickening agent is one or two of water-soluble polyacrylate or water-soluble polyurethane, and is preferably thickening agent TF-315 provided by chemical transmission.
The viscosity of the waterproof slurry in the step (1) is 10000-30000Pa.s, and the drying temperature is 110-130 ℃.
The baking temperature in the step (2) is 150-170 ℃.
The finishing agent in the step (3) comprises a resin cross-linking agent and a catalyst, the dosage of the resin cross-linking agent is 50-150g/l, the dosage of the catalyst is 15-50% of the mass of the resin cross-linking agent, the resin cross-linking agent is modified etherified 2D resin containing a hydrophilic polymer chain segment, the catalyst is an aqueous solution of magnesium chloride, and the concentration of the aqueous solution of magnesium chloride is 40-50 wt.%.
The finishing agent also comprises a water-absorbing softening agent, wherein the water-absorbing softening agent is a hydrophilic polysiloxane compound, and the dosage of the water-absorbing softening agent is 1-10 g/l.
The speed of the padding finishing agent in the step (3) is 30-60 m/min.
The baking temperature in the step (4) is 150-170 ℃, and the baking speed is 40-80 m/min.
The preparation method of the double-sided opposite-nature non-ironing fabric comprises the following steps of blade-coating waterproof slurry by coating equipment, baking and finishing by conventional equipment, and then performing resin crosslinking and finishing to improve the crease-resistant effect and the hydrophilicity of the fabric:
(1) preparing waterproof slurry: putting the waterproof agent, the thickening agent and water into a charging basket with a stirrer to prepare waterproof slurry with proper viscosity, and ensuring that the waterproof slurry is prepared for use at present;
(2) blade coating waterproof slurry: selecting indexes such as a proper scraper distance, a proper vehicle speed and the like, accurately controlling the permeation degree of the waterproof slurry in the fabric, and ensuring that the waterproof slurry is dried when the waterproof slurry does not reach the back surface of the finished fabric;
(3) performing conventional baking finishing on the fabric coated with the waterproof slurry in a scraping way;
(4) padding with a finishing agent: selecting a resin crosslinking agent and a catalyst (water-absorbing softening agent can also be added) which do not influence the water resistance of the fabric for padding, and controlling the dosage of the resin crosslinking agent and the dosage of the softening agent so as not to influence the water resistance effect of the fabric;
(5) and (3) baking and finishing the fabric padded with the resin crosslinking agent, and pre-shrinking and finishing to obtain the double-sided anisotropic non-ironing fabric.
The waterproof agent in the step (1) does not contain PFOS and PFOA, and meets the requirement of environmental protection;
the equipment selected for blade coating the waterproof slurry in the step (2) is a Customs Fuji Texcoat coating equipment, and a waterproof agent is uniformly coated on the surface of the fabric by controlling the distance between a scraper and the fabric, the viscosity of the waterproof slurry, the speed and the drying temperature by virtue of a scraper unit on the Texcoat coating equipment, so that the double-sided anisotropy of the fabric is realized; when the waterproof slurry is scraped, the distance between the scraper and the fabric is-1 mm to-15 mm (the negative value of the distance between the scraper and the fabric represents that the scraper is below the horizontal plane of the fabric, so that the fabric is endowed with certain tension, and the thickness of the scraped waterproof slurry is controlled).
And (3) carrying out blade coating on the waterproof slurry in the step (2) at the speed of 20-50 m/min.
And (4) the baking speed in the step (3) is 30-60 m/min.
The resin cross-linking agent in the step (4) is a water-absorbing etherified modified 2D resin which does not influence the water repellency effect, preferably an ultrahigh chemical etherified modified 2D resin SW or a water-absorbing resin Z-HS containing hydrophilic segments, and the fabric can be further endowed with the non-ironing characteristic after resin finishing.
The softener in the step (4) is a water-absorbing softener which does not influence the water repellency, and is preferably an amino silicone oil modified softener SMI-60 in cataboluri fine chemical engineering.
The invention mainly selects the water-absorbent resin cross-linking agent and the water-absorbent softening agent which do not influence the water repellency effect of the fabric, improves the water absorption of the hydrophilic surface of the single-hydrophilic single-protective fabric, improves the crease resistance effect and the washability of the fabric, does not influence the air permeability of the fabric after the waterproof pulp system coats the fabric, and develops the high-quality double-sided opposite-sex non-ironing fabric.
The method specifically comprises four steps of finishing the waterproof coating, baking, padding resin and a softening agent, and baking. When the waterproof coating is finished, a proper waterproof agent is selected, the using amount of the waterproof agent, the viscosity of the waterproof slurry and the distance of a scraper are reasonably controlled in the process, and the waterproof slurry is prevented from permeating to the other side of the fabric to influence the water absorption of the fabric; the types and the using amounts of the padded resin and the softening agent are reasonably adjusted, so that the crease-resistant effect and the water absorption of the fabric are improved, and the waterproof performance of the fabric is not influenced. The fabric finished and processed by the method can realize the effect of double-sided anisotropy with one waterproof surface and the other hydrophilic surface, and has good crease resistance, non-ironing property and washability.
The invention improves the conventional single-hydrophilic single-protective fabric padded with the water-absorbent resin cross-linking agent and the water-absorbent softening agent with proper dosage, and finally develops the double-sided anisotropic non-ironing fabric.
The invention has the following beneficial effects:
1. the production flow is short, the operation is easy, and the processing efficiency is high;
2. the water absorption, the whole anti-wrinkle effect and the washing fastness of the water absorption surface of the single-hydrophilic single-waterproof fabric can be improved;
3. it is suitable for mass production and fast-paced production.
Detailed Description
The present invention is further described below with reference to examples.
Example 1
(1) Preparing waterproof slurry: adding a water-proofing agent CLEAN 10% (mass percent), a thickening agent TF-3156% (mass percent) and water 84% (mass percent) into a size mixing barrel, and stirring until the water-proofing agent and the thickening agent are completely fused, wherein the viscosity is 15000 Pa.s;
(2) the selected fabric is pure cotton fabric, the warp and weft yarn count is 40, the warp and weft density is 160 x 72 yarns/inch, and the gram weight of the fabric is 140g/m2；
(3) Blade coating waterproof slurry: the distance of a scraper is selected to be-7 mm, the speed of a TEXcoat coating device is 40m/min, the penetration degree of waterproof slurry in the fabric must be accurately controlled, and the temperature of a drying room is 110 ℃;
(4) coating waterproof slurry, drying, and then baking and finishing, wherein the temperature of a drying room is 150 ℃, and the speed is 40 m/min;
(5) padding the fabric finished with the waterproof coating with water-absorbent resin SW on a conventional setting machine, wherein the resin dosage is 50g/l, the catalyst is 45 wt.% of magnesium chloride aqueous solution, the catalyst dosage is 15% of the resin mass, the drying room temperature is 110 ℃, and the vehicle speed is 60 m/min;
(6) baking and finishing the resin, wherein the temperature of a baking room is 150 ℃, and the speed of the baking room is 40 m/min;
(7) and subsequently, pre-shrinking finishing is carried out according to the process requirements, and a finished fabric product is obtained.
Example 2
(1) Preparing waterproof slurry: adding WR-700015% (mass percent) waterproofing agent, TF-3158% (mass percent) thickening agent and 77% (mass percent) water into a size mixing barrel, and stirring until the waterproofing agent and the thickening agent are completely fused and the viscosity is 20000 Pa.s;
(2) the selected fabric is an interwoven fabric of cotton fibers and tencel, and the gram weight of the fabric is 170g/m2；
(3) Coating and scraping waterproof slurry: the distance of a scraper is-9 mm, the speed of a TEXcoat coating device is 40m/min, the penetration degree of waterproof slurry in the fabric must be accurately controlled, and the temperature of a drying room is 120 ℃;
(4) coating waterproof slurry, drying, and then baking and finishing, wherein the temperature of a drying room is 155 ℃, and the speed is 40 m/min;
(5) padding the fabric finished by the water repellent coating with finishing liquid of water-absorbing resin Z-HS (high chemical engineering) and water-absorbing softening agent SMI-60 on a conventional setting machine, wherein the use amounts of the finishing liquid and the water-absorbing softening agent SMI-60 are respectively 100g/L and 5g/L, the catalyst is 50 wt.% of magnesium chloride aqueous solution, the use amount of the catalyst is 35% of the mass of the resin, the temperature of a drying room is 120 ℃, and the vehicle speed is 60 m/min;
(6) baking and finishing the resin, wherein the temperature of a baking room is 155 ℃, and the speed of the baking room is 40 m/min;
(7) and subsequently, pre-shrinking finishing is carried out according to the process requirements, and a finished fabric product is obtained.
Example 3
(1) Preparing waterproof slurry: adding 18 mass percent of waterproof agent FF (high chemical engineering), 31511 mass percent of thickening agent TF-31511 mass percent of water and 71 mass percent of water into a size mixing barrel, and stirring until the waterproof agent and the thickening agent are completely mixed, wherein the viscosity is 25000 Pa.s;
(2) the selected fabric is polyester cotton fabric, the warp and weft yarn count of the fabric is 30, and the gram weight of the fabric is 200g/m2；
(3) Coating and scraping waterproof slurry: the distance of a scraper is selected to be-11 mm, the speed of a TEXcoat coating device is 40m/min, the penetration degree of waterproof slurry in the fabric must be accurately controlled, and the temperature of a drying room is 120 ℃;
(4) coating waterproof slurry, drying, and then baking and finishing, wherein the temperature of a drying room is 160 ℃, and the speed is 40 m/min;
(5) padding the fabric finished by the water repellent coating with finishing liquid of water-absorbing resin Z-HS (high chemical engineering) and water-absorbing softener SMI-60 on a conventional setting machine, wherein the use amounts of the finishing liquid and the water-absorbing softener SMI-60 are respectively 130g/L and 8g/L, the catalyst is 40 wt.% of magnesium chloride aqueous solution, the use amount of the catalyst is 35% of the mass of the resin, the temperature of a drying room is 120 ℃, and the vehicle speed is 60 m/min;
(6) baking and finishing the resin, wherein the temperature of a baking room is 155 ℃, and the speed of the baking room is 40 m/min;
(7) and subsequently, pre-shrinking finishing is carried out according to the process requirements, and a finished fabric product is obtained.
The performance test results of the finished fabrics in examples 1 to 3 are shown in table 1, and the tested fabrics are fabrics washed 15 times.
Table 1 examples 1-3 fabric finished products of the fabrics testing results of water resistance, water absorption and anti-wrinkle effect
| Detecting content | Test standard | Example 1 | Example 2 | Example 3 |
| Water resistance/min | AATCC 22 | 80 minutes | 80 minutes | 90 minutes |
| Water absorption per second | AATCC 79 | 48 seconds | 35 seconds | 30 seconds |
| Anti-wrinkle effect/grade | AATCC 124 | Grade 3.0 | Grade 3.1 | Grade 3.2 |
The test data in table 1 show that the fabric finished by the processing technology of the invention has good non-ironing effect, and the fabric has two opposite properties, one side of which is waterproof and the other side of which is hydrophilic.
Claims (10)
1. A preparation method of a double-sided anisotropic non-ironing fabric is characterized by comprising the following steps:
(1) coating waterproof slurry on one surface of the fabric in a scraping way, and drying;
(2) baking and finishing the fabric coated with the waterproof slurry in a scraping way;
(3) padding the baked and finished fabric with a finishing agent and then drying;
(4) and (4) baking and finishing the fabric padded with the finishing agent, and pre-shrinking and finishing to obtain the double-sided anisotropic non-ironing fabric.
2. The method for preparing double-sided opposite non-ironing fabric according to claim 1, wherein the fabric in the step (1) is a fabric with warp and weft yarns being pure cotton yarns or a interwoven fabric of cotton fibers and cellulose fibers, and the gram weight of the fabric is 110-280g/m2。
3. The preparation method of the double-sided opposite-style non-ironing fabric according to claim 1, characterized in that the waterproof pulp in the step (1) is prepared from the following raw materials in percentage by weight:
8 to 20 percent of waterproofing agent
6 to 11 percent of thickening agent
71-84% of water.
4. The preparation method of the double-sided opposite-nature non-ironing fabric according to claim 3, characterized in that the waterproof agent is a fluorocarbon acrylate polymer, and the thickening agent is one or two of water-soluble polyacrylate or water-soluble polyurethane.
5. The method for preparing a double-sided opposite non-ironing fabric as claimed in claim 1, wherein the viscosity of the waterproof slurry in the step (1) is 10000-30000Pa.s, and the drying temperature is 110-130 ℃.
6. The preparation method of the double-sided opposite-style non-ironing fabric as claimed in claim 1, wherein the baking temperature in the step (2) is 150-170 ℃.
7. The preparation method of the double-sided opposite-nature easy-care fabric according to claim 1, characterized in that the finishing agent in the step (3) comprises a resin crosslinking agent and a catalyst, the dosage of the resin crosslinking agent is 50-150g/l, the dosage of the catalyst is 15-50% of the mass of the resin crosslinking agent, the resin crosslinking agent is modified etherified 2D resin containing hydrophilic polymer chain segments, and the catalyst is an aqueous solution of magnesium chloride.
8. The preparation method of the double-sided opposite-nature non-ironing fabric according to claim 7, characterized in that the finishing agent further comprises a water-absorbing softening agent, the water-absorbing softening agent is a hydrophilic polysiloxane compound, and the dosage of the water-absorbing softening agent is 1-10 g/l.
9. The preparation method of the double-sided opposite-nature non-ironing fabric according to claim 1, characterized in that the speed of the padding finishing agent in the step (3) is 30-60 m/min.
10. The preparation method of the double-sided opposite-nature non-ironing fabric as claimed in claim 1, wherein the baking temperature in the step (4) is 150-170 ℃, and the baking speed is 40-80 m/min.
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