CN115075018A - Unidirectional moisture-conducting polyester fabric prepared based on coating finishing technology and preparation method thereof - Google Patents
Unidirectional moisture-conducting polyester fabric prepared based on coating finishing technology and preparation method thereof Download PDFInfo
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- CN115075018A CN115075018A CN202210644322.4A CN202210644322A CN115075018A CN 115075018 A CN115075018 A CN 115075018A CN 202210644322 A CN202210644322 A CN 202210644322A CN 115075018 A CN115075018 A CN 115075018A
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- 239000004744 fabric Substances 0.000 title claims abstract description 120
- 229920000728 polyester Polymers 0.000 title claims abstract description 84
- 239000011248 coating agent Substances 0.000 title claims abstract description 73
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000005516 engineering process Methods 0.000 title claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 25
- 229920002125 Sokalan® Polymers 0.000 claims abstract description 19
- 239000004584 polyacrylic acid Substances 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 8
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 54
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 40
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 34
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 33
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 21
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 18
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 17
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 17
- 239000008399 tap water Substances 0.000 claims description 14
- 235000020679 tap water Nutrition 0.000 claims description 14
- DUIOKRXOKLLURE-UHFFFAOYSA-N 2-octylphenol Chemical compound CCCCCCCCC1=CC=CC=C1O DUIOKRXOKLLURE-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 12
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 12
- 239000003999 initiator Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 230000002209 hydrophobic effect Effects 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 17
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000835 fiber Substances 0.000 description 9
- 230000035699 permeability Effects 0.000 description 8
- 210000004243 sweat Anatomy 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000004753 textile Substances 0.000 description 5
- 229920004933 Terylene® Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000643 oven drying Methods 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 125000000373 fatty alcohol group Chemical group 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- 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
- D06N3/045—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 with polyolefin or polystyrene (co-)polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- 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
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/08—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of synthetic origin
- D06M14/12—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of synthetic origin of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M14/14—Polyesters
-
- 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
-
- 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
- D06N3/0002—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
-
- 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
-
- 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
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/045—Vinyl (co)polymers
- D06N2203/047—Arromatic vinyl (co)polymers, e.g. styrene
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/142—Hydrophobic
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to a unidirectional moisture-conducting polyester fabric prepared based on a coating finishing technology and a preparation method thereof. The fabric can be prepared by the following method: firstly, carrying out hydrophilic finishing on a polyester fabric to prepare the polyester fabric subjected to hydrophilic finishing; secondly, preparing a polyacrylic acid coating agent; thirdly, doping a small amount of pore-forming agent solution into the coating agent to prepare a composite coating agent; and finally, carrying out coating finishing on the polyester fabric subjected to hydrophilic finishing by using the composite coating agent, and washing with water to obtain the one-way moisture-conducting polyester fabric prepared based on the coating finishing technology. The one-way moisture-conducting performance of the polyester fabric prepared by the invention reaches 5 grades, and the polyester fabric has better moisture absorption and quick drying performance; after 10 times of washing, the fabric still has good moisture absorption and quick drying performances, and the one-way moisture conductivity and moisture absorption and quick drying performances of the fabric are close to or slightly exceed those of one-way moisture conductivity polyester fabrics purchased in the market.
Description
Technical Field
The invention belongs to the technical field of fabric preparation, and particularly relates to a unidirectional moisture-conducting polyester fabric prepared based on a coating finishing technology and a preparation method thereof.
Background
With the continuous development of social economy, the requirements of consumers on textiles are higher and higher, and higher requirements are put forward on the functionality of products under the condition of meeting the basic properties of the products; in addition, consumers are also increasingly paying attention to the nature, simplicity and health of the product.
In functional textiles, the unidirectional moisture-conducting fabric is a textile with moisture absorption, moisture conduction and quick drying functions, also called as a moisture-absorbing and sweat-releasing fabric and the like, and can transfer sweat from an inner layer (generally a close-fitting surface) of the fabric to an outer surface and make external water molecules difficult to permeate into the inner layer of the fabric by controlling the flow guidance of water molecules, so that the wearing comfort of clothes is improved and the like.
The existing polyester fiber fabric is a very large chemical fiber garment fabric used in daily life, and the polyester fabric has high strength and elasticity recovery capability, so that the polyester fiber fabric is firm, durable, crease-resistant and non-ironing, is the fabric with the best heat resistance in synthetic fiber fabrics, and has thermoplasticity, excellent sun resistance and acid and alkali resistance. However, the existing polyester fiber fabric is poor in moisture conductivity, and is easy to generate stuffiness in wearing in summer, so that the comfort of a human body is affected.
The research on the unidirectional moisture-conducting performance of the polyester fabric is shown by literature investigation and research, and the research is widely concerned, such as: chinese patent application No. 201921703909.8 discloses a preparation process of a one-way moisture-conducting terylene napping fabric, which comprises the following steps: by adopting the interweaving connection relationship between the polypropylene yarns and the polyester fiber bundles, sweat can be quickly transmitted to the outside of the body by utilizing the water repellent effect of the polypropylene, so that the dryness and comfort of the body surface are kept; the quick-drying characteristic of the terylene is combined, so that sweat conducted out of the skin is volatilized as soon as possible, and the wearing comfort is improved.
At present, the production and processing of the unidirectional moisture-conducting fabric are mainly realized in the industry through modes of profiled fiber moisture-conducting, auxiliary agent finishing moisture-conducting, knitted fabric moisture-conducting and the like. However, the moisture permeability of the profiled fiber is mainly chemical fiber, so that the profiled fiber is poor in skin affinity and difficult to degrade; the knitted fabric has good moisture permeability and environmental protection, but the size stability of the common fabric is poor and the knitted fabric is easy to fluff. Therefore, the process for preparing the unidirectional moisture-conducting polyester fabric by using the auxiliary agent for finishing and moisture-conducting has been more and more paid attention by researchers at home and abroad.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the unidirectional moisture-conducting polyester fabric prepared based on the coating finishing technology and the preparation method thereof.
The invention aims to provide a unidirectional moisture-conducting polyester fabric prepared based on a coating finishing technology, and the polyester fabric has the characteristics of unidirectional moisture conduction, environmental protection and the like; the fabric can be prepared by the following method: firstly, carrying out hydrophilic finishing on a polyester fabric to prepare a polyester fabric subjected to hydrophilic finishing; secondly, preparing a polyacrylic acid coating agent; thirdly, doping a small amount of pore-forming agent solution into the coating agent to prepare a composite coating agent; and finally, carrying out coating finishing on the polyester fabric subjected to hydrophilic finishing by using the composite coating agent, and washing with water to obtain the one-way moisture-conducting polyester fabric prepared based on the coating finishing technology.
The purpose of the invention is realized by the following technical scheme:
the preparation method of the unidirectional moisture-conducting polyester fabric based on the coating finishing technology comprises the following steps:
(1) hydrophilic finishing: dissolving acrylic acid and ammonium persulfate in tap water to prepare finishing liquid; heating the finishing liquid to 90-100 ℃, and putting the polyester fabric into the finishing liquid for dipping for 1-2 hours; and then, rolling the soaked fabric through a trolley, and carrying out thermal qualitative temperature of 150-160 ℃ for 30-60 s to obtain the hydrophilic finished polyester fabric.
Preferably, the using amount ratio of the acrylic acid to the ammonium persulfate to the tap water is 0.1mol to (0.2-0.4) g to (100-200) mL; the dosage ratio of the terylene fabric to the finishing liquid is as follows: 1g to (30-40) mL.
(2) Preparation of polyacrylic acid coating agent: weighing sodium dodecyl benzene sulfonate, octyl phenol polyoxyethylene ether (OP-10), acrylic acid, styrene, butyl acrylate and ammonium persulfate, dissolving all the sodium dodecyl benzene sulfonate, the octyl phenol polyoxyethylene ether (OP-10) and 1/3 total acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator in deionized water, uniformly stirring, controlling the temperature to be 75-85 ℃, and stirring for 1-2 hours; then, dissolving the rest 2/3 of acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator in deionized water, and then dropwise adding the deionized water into the mixed solution which is just stirred, wherein the dropwise adding time is controlled to be 2-3 h, and after the dropwise adding is finished, keeping the temperature for 2-3 h; the emulsion is placed for one month, and the polyacrylic acid coating agent can be prepared without layering or precipitation.
Preferably, the dosage ratio of the sodium dodecyl benzene sulfonate, the octyl phenol polyoxyethylene ether (OP-10), the acrylic acid, the styrene, the butyl acrylate and the ammonium persulfate is as follows: 1g, (1-2) g, (0.1-0.2) mol, (0.2-0.4) mol, (0.1-0.2) mol and (0.5-1) g.
(3) Preparing a pore-forming agent solution: and dissolving the pore-forming agent in tap water to prepare a pore-forming agent solution.
Preferably, the pore-forming agent is fatty alcohol polyoxyethylene ether (AEO-9).
Preferably, the dosage ratio of the pore-forming agent to tap water is 1g to (100-200) mL.
(4) Blending: and (3) blending the polyacrylic acid coating agent prepared in the step (2) and the pore-forming agent solution prepared in the step (3) to prepare the composite coating agent.
Preferably, the dosage ratio of the polyacrylic acid coating agent prepared in the step (2) to the pore-forming agent solution prepared in the step (3) is 1mL to (0.1-0.2) mL.
(5) Hydrophobic finishing: and (3) performing coating finishing on the inner side of the hydrophilic-finished polyester fabric prepared in the step (1) by adopting the composite coating agent prepared in the step (4) through a scraper coating process, drying for 3 minutes at 90-95 ℃, and baking for 5 minutes at 140-160 ℃.
Preferably, the coating weight dry weight of the coating finishing is 10-20 g/m 2 。
(6) Washing with water: and (6) cleaning the polyester fabric finished in the step (5) with a large amount of water, and airing to obtain the unidirectional moisture-conducting polyester fabric.
The invention relates to a one-way moisture-conducting principle: the two sides of the fabric have different hydrophilicity and hydrophobicity, additional pressure difference is generated from the hydrophobic layer to the hydrophilic layer in the thickness direction of the fabric, and the moisture is acted by the additional pressure difference to realize the one-way moisture-conducting effect, which is the main principle for realizing the one-way moisture-conducting function of the fabric. In the invention, in order to transmit sweat to the outer layer of the polyester fabric more quickly and sufficiently, the inner side of the fabric is hydrophobic through a coating finishing process, and the outer side of the fabric is hydrophilic through grafting hydrophilic groups.
The invention has the following remarkable characteristics:
(1) according to the invention, the inner side of the polyester fabric is hydrophobic through a coating finishing process, and the outer side of the polyester fabric is hydrophilic through grafting hydrophilic groups; the two sides of the fabric have different hydrophilicity and hydrophobicity, so that the one-way moisture-conducting function of the polyester fabric is realized.
(2) The preparation method is simple, the raw materials are wide in source, and the method has good application and popularization prospects.
(3) The one-way moisture-conducting performance of the polyester fabric prepared by the invention reaches 5 grades, and the polyester fabric has better moisture absorption and quick drying performance; after 10 times of washing, the fabric still has good moisture absorption and quick drying performances, and the one-way moisture conductivity and moisture absorption and quick drying performances of the fabric are close to or slightly exceed those of one-way moisture conductivity polyester fabrics purchased in the market.
Detailed Description
The following examples and comparative examples illustrate the present invention in detail.
Example 1
In this embodiment, a unidirectional moisture-conducting polyester fabric prepared based on a coating finishing technology is prepared by the following method, including the following steps:
(1) hydrophilic finishing: dissolving 0.1mol of acrylic acid and 0.3g of ammonium persulfate in 150mL of tap water to prepare finishing liquid; heating the finishing liquid to 95 ℃, putting the polyester fabric into the finishing liquid for dipping for 1.5 hours, wherein the using amount ratio of the polyester fabric to the finishing liquid is as follows: 1g to 35 mL; and then, rolling the soaked fabric through a trolley, and carrying out thermal qualitative treatment at the temperature of 155 ℃ for 45s to obtain the hydrophilic finished polyester fabric.
(2) Preparation of polyacrylic acid coating agent: weighing 1g of sodium dodecyl benzene sulfonate, 1.5g of octyl phenol polyoxyethylene ether (OP-10), 0.15mol of acrylic acid, 0.3mol of styrene, 0.15mol of butyl acrylate and 0.75g of ammonium persulfate, dissolving all the sodium dodecyl benzene sulfonate, the octyl phenol polyoxyethylene ether (OP-10) and acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator accounting for 1/3 of the total amount in 200mL of deionized water, uniformly stirring, controlling the temperature to be 80 ℃, and stirring for 1.5 h; then, dissolving the rest 2/3 of acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator in 200mL of deionized water, then dropwise adding into the mixed solution which is just stirred, controlling the dropwise adding time to be 2.5h, and after the dropwise adding is finished, keeping the temperature for 2.5h to obtain the acrylic acid/styrene/butyl acrylate/ammonium persulfate mixed solution; the emulsion is placed for one month, and the polyacrylic acid coating agent can be prepared without layering or precipitation.
(3) Preparing a pore-forming agent solution: 1g of fatty alcohol-polyoxyethylene ether (AEO-9) is dissolved in 150mL of tap water to prepare a pore-forming agent solution.
(4) Blending: and (3) blending 100mL of the polyacrylic acid coating agent prepared in the step (2) with 15mL of the pore-forming agent solution prepared in the step (3) to prepare the composite coating agent.
(5) Hydrophobic finishing: performing coating finishing on the inner side of the hydrophilic-finished polyester fabric prepared in the step (1) by adopting the composite coating agent prepared in the step (4) through a scraper coating process, wherein the dry weight of the coating weight is 15g/m 2 Oven-drying at 92 deg.C for 3 min, and baking at 150 deg.C for 5 min.
(6) Washing with water: and (5) washing the polyester fabric finished in the step (5) with a large amount of water, and drying to obtain the unidirectional moisture-conducting polyester fabric.
Example 2
In this embodiment, a unidirectional moisture-conducting polyester fabric prepared based on a coating finishing technology is prepared by the following method, including the following steps:
(1) hydrophilic finishing: dissolving 0.1mol of acrylic acid and 0.2g of ammonium persulfate in 100mL of tap water to prepare finishing liquid; heating the finishing liquid to 90 ℃, putting the polyester fabric into the finishing liquid for dipping for 1.0 hour, wherein the using amount ratio of the polyester fabric to the finishing liquid is as follows: 1 g: 30 mL; and then rolling the soaked fabric through a trolley, and performing thermal qualitative temperature of 150 ℃ for 30s to obtain the hydrophilic finished polyester fabric.
(2) Preparation of polyacrylic coating agent: weighing 1g of sodium dodecyl benzene sulfonate, 1.0g of octyl phenol polyoxyethylene ether (OP-10), 0.10mol of acrylic acid, 0.2mol of styrene, 0.10mol of butyl acrylate and 0.5g of ammonium persulfate, dissolving all the sodium dodecyl benzene sulfonate, the octyl phenol polyoxyethylene ether (OP-10) and acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator accounting for 1/3 of the total amount in 200mL of deionized water, uniformly stirring, controlling the temperature to be 75 ℃, and stirring for 1.0 h; then, dissolving the rest 2/3 of acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator in 200mL of deionized water, then dropwise adding into the mixed solution which is just stirred, controlling the dropwise adding time to be 2.0h, and after the dropwise adding is finished, keeping the temperature for 2.0h to obtain the acrylic acid/styrene/butyl acrylate/ammonium persulfate mixed solution; the emulsion is placed for one month, and the polyacrylic acid coating agent can be prepared without layering or precipitation.
(3) Preparing a pore-forming agent solution: 1g of fatty alcohol-polyoxyethylene ether (AEO-9) is dissolved in 100mL of tap water to prepare a pore-forming agent solution.
(4) Blending: and (3) blending 100mL of the polyacrylic acid coating agent prepared in the step (2) with 10mL of the pore-forming agent solution prepared in the step (3) to prepare the composite coating agent.
(5) Hydrophobic finishing: performing coating finishing on the inner side of the hydrophilic-finished polyester fabric prepared in the step (1) by adopting the composite coating agent prepared in the step (4) through a scraper coating process, wherein the dry weight of the coating weight is 10g/m 2 Oven-drying at 90 deg.C for 3 min, and baking at 140 deg.C for 5 min.
(6) Washing with water: and (5) washing the polyester fabric finished in the step (5) with a large amount of water, and drying to obtain the unidirectional moisture-conducting polyester fabric.
Example 3
In this embodiment, a unidirectional moisture-conducting polyester fabric prepared based on a coating finishing technology is prepared by the following method, including the following steps:
(1) hydrophilic finishing: dissolving 0.1mol of acrylic acid and 0.4g of ammonium persulfate in 200mL of tap water to prepare finishing liquid; heating the finishing liquid to 100 ℃, putting the polyester fabric into the finishing liquid for dipping for 2 hours, wherein the dosage ratio of the polyester fabric to the finishing liquid is as follows: 1 g: 40 mL; and then, rolling the soaked fabric through a trolley, and carrying out thermal qualitative treatment at 160 ℃ for 60s to obtain the hydrophilic finished polyester fabric.
(2) Preparation of polyacrylic acid coating agent: weighing 1g of sodium dodecyl benzene sulfonate, 2g of octyl phenol polyoxyethylene ether (OP-10), 0.2mol of acrylic acid, 0.4mol of styrene, 0.2mol of butyl acrylate and 1g of ammonium persulfate, dissolving all of the sodium dodecyl benzene sulfonate, the octyl phenol polyoxyethylene ether (OP-10) and acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator which account for 1/3 of the total amount in 200mL of deionized water, uniformly stirring, controlling the temperature to be 85 ℃, and stirring for 2 hours; then, dissolving the rest 2/3 of acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator in 200mL of deionized water, then dropwise adding into the mixed solution which is just stirred, controlling the dropwise adding time to be 3h, and after the dropwise adding is finished, keeping the temperature for 3h to obtain the acrylic acid/styrene/butyl acrylate/ammonium persulfate mixed solution; the emulsion is placed for one month, and the polyacrylic acid coating agent can be prepared without layering or precipitation.
(3) Preparing a pore-forming agent solution: 1g of fatty alcohol-polyoxyethylene ether (AEO-9) is dissolved in 200mL of tap water to prepare a pore-forming agent solution.
(4) Blending: and (3) blending 100mL of the polyacrylic acid coating agent prepared in the step (2) with 20mL of the pore-forming agent solution prepared in the step (3) to prepare the composite coating agent.
(5) Hydrophobic finishing: performing coating finishing on the inner side of the hydrophilic-finished polyester fabric prepared in the step (1) by adopting the composite coating agent prepared in the step (4) through a scraper coating process, wherein the dry weight of the coating weight is 20g/m 2 Oven-drying at 95 deg.C for 3 min, and baking at 160 deg.C for 5 min.
(6) Washing with water: and (5) washing the polyester fabric finished in the step (5) with a large amount of water, and drying to obtain the unidirectional moisture-conducting polyester fabric.
Comparative example A
In this comparative example, the amount of acrylic acid used in the hydrophilic finishing was changed, i.e., "0.1 mol of acrylic acid" in step (1) was changed to "0.01 mol of acrylic acid", and the other preparation method was carried out in the same manner as in example 1, by comparison with example 1.
Comparative example B
In this comparative example, the amount of the acrylic coating agent used was changed to "0.015 mol of acrylic acid" instead of "0.15 mol of acrylic acid" in step (2), and the other preparation method was carried out in the same manner as in example 1, by comparison with example 1.
Comparative example C
By taking the example 1 as a comparison, in the comparative example, the pore-forming agent is not added, namely the step (3) is not carried out; the other preparation was carried out in the same manner as in example 1.
And (3) application performance testing:
in order to better detect the unidirectional moisture permeability and moisture absorption quick-drying property of the polyester fabric prepared in the invention, the polyester fabrics a, b, C, d, e and f prepared in the specific examples 1-3 and the comparative examples A-C in the invention and the purchased unidirectional moisture permeability polyester fabric (purchased from Shaoxing and Yitai textile Co., Ltd.) are selected. The unidirectional moisture permeability test refers to the AATCC 195-2009 liquid moisture management performance of textiles to test the unidirectional transmission index (MMT) of the fabric, the unidirectional transmission capacity of the fabric to human sweat is represented by 1-5 grades, wherein 5 grades are optimal, and the unidirectional moisture permeability is considered to have the unidirectional moisture permeability effect when the unidirectional moisture permeability exceeds 3 grades. The moisture absorption quick-drying test refers to the test of GB/T21655.1-2008 evaluation of moisture absorption quick-drying of textiles. The fabric to be tested is subjected to standard washing by referring to a washing method of a GB/T20944.1-2007 color fastness to washing tester, the unidirectional moisture conductivity and the moisture absorption quick-drying property of an initial sample and a sample after 10 times of washing are tested, and the test results are shown in Table 1.
TABLE 1 analysis of unidirectional moisture-transfer and moisture absorption quick-drying of polyester fabrics a, b, c, d, e and f and purchased unidirectional moisture-transfer polyester fabrics
As can be seen from Table 1, the polyester fabrics a, b and c prepared in the examples 1-3 have the unidirectional moisture-conducting performance of grade 5 and have better moisture absorption and quick drying performance; after 10 times of washing, the fabrics a, b and c still have good moisture absorption and quick drying performances, and the one-way moisture conductivity and moisture absorption and quick drying performances of the fabrics are close to those of one-way moisture conductivity polyester fabrics purchased in the market. Therefore, the polyester fabric prepared by the invention has better one-way moisture conductivity and moisture absorption and quick drying performance. The polyester fabrics d, e and f prepared by the comparative examples A to C have slightly poor one-way moisture conductivity and moisture absorption and quick drying performances, which shows that: the usage amount of acrylic acid, the usage amount of polyacrylic acid coating agent raw materials and the pore-forming agent in the hydrophilic finishing have great influence on the unidirectional moisture-conducting performance and the moisture-absorbing and quick-drying performance of the polyester fabric.
Claims (9)
1. The preparation method of the unidirectional moisture-conducting polyester fabric based on the coating finishing technology is characterized by comprising the following steps:
(1) hydrophilic finishing: dissolving acrylic acid and ammonium persulfate in tap water to prepare finishing liquid; heating the finishing liquid to 90-100 ℃, and putting the polyester fabric into the finishing liquid for dipping for 1-2 hours; then, rolling the soaked fabric through a trolley, and carrying out thermal qualitative temperature of 150-160 ℃ for 30-60 s to obtain the hydrophilic finished polyester fabric;
(2) preparation of polyacrylic acid coating agent: weighing sodium dodecyl benzene sulfonate, octyl phenol polyoxyethylene ether (OP-10), acrylic acid, styrene, butyl acrylate and ammonium persulfate, dissolving all the sodium dodecyl benzene sulfonate, the octyl phenol polyoxyethylene ether (OP-10) and 1/3 total acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator in deionized water, uniformly stirring, controlling the temperature to be 75-85 ℃, and stirring for 1-2 hours; then, dissolving the rest 2/3 of acrylic acid, styrene, butyl acrylate and ammonium persulfate initiator in deionized water, and then dropwise adding the deionized water into the mixed solution which is just stirred, wherein the dropwise adding time is controlled to be 2-3 h, and after the dropwise adding is finished, keeping the temperature for 2-3 h; the emulsion is placed for one month, and the polyacrylic acid coating agent can be prepared without layering or precipitation;
(3) preparing a pore-forming agent solution: dissolving a pore-forming agent in tap water to prepare a pore-forming agent solution;
(4) blending: blending the polyacrylic acid coating agent prepared in the step (2) with the pore-forming agent solution prepared in the step (3) to prepare a composite coating agent;
(5) hydrophobic finishing: coating finishing is carried out on the inner side of the polyester fabric subjected to hydrophilic finishing and prepared in the step (1) by adopting the composite coating agent prepared in the step (4) through a scraper coating process, drying is carried out for 3 minutes at the temperature of 90-95 ℃, and baking is carried out for 5 minutes at the temperature of 140-160 ℃;
(6) washing with water: and (5) washing the polyester fabric finished in the step (5) with a large amount of water, and drying to obtain the unidirectional moisture-conducting polyester fabric.
2. The preparation method of the unidirectional moisture-conducting polyester fabric based on the coating finishing technology as claimed in claim 1, wherein the usage ratio of the acrylic acid, the ammonium persulfate and the tap water in the step (1) is 0.1 mol: (0.2-0.4) g: (100-200) mL.
3. The preparation method of the unidirectional moisture-conducting polyester fabric based on the coating finishing technology as claimed in claim 1, wherein the usage ratio of the polyester fabric to the finishing liquid in the step (1) is as follows: 1g to (30-40) mL.
4. The preparation method of the unidirectional moisture-conducting polyester fabric based on the coating finishing technology as claimed in claim 1, wherein the amount ratio of the sodium dodecyl benzene sulfonate, the octyl phenol polyoxyethylene ether (OP-10), the acrylic acid, the styrene, the butyl acrylate and the ammonium persulfate in the step (2) is as follows: 1g, (1-2) g, (0.1-0.2) mol, (0.2-0.4) mol, (0.1-0.2) mol and (0.5-1) g.
5. The preparation method of the unidirectional moisture-conducting polyester fabric prepared based on the coating finishing technology as claimed in claim 1, wherein the pore-forming agent in the step (3) is fatty alcohol-polyoxyethylene ether (AEO-9).
6. The preparation method of the unidirectional moisture-conducting polyester fabric based on the coating finishing technology as claimed in claim 1, wherein the usage ratio of the pore-forming agent to tap water in the step (3) is 1g to (100-200) mL.
7. The preparation method of the unidirectional moisture-conducting polyester fabric based on the coating finishing technology as claimed in claim 1, wherein the usage ratio of the polyacrylic acid coating agent prepared in the step (2) to the pore-forming agent solution prepared in the step (3) in the step (4) is 1mL to (0.1-0.2) mL.
8. The preparation method of the unidirectional moisture-conducting polyester fabric based on the coating finishing technology as claimed in claim 1, wherein the dry weight of the coating finishing in the step (4) is 10-20 g/m 2 。
9. The unidirectional moisture-conducting polyester fabric prepared based on the coating finishing technology is characterized by being prepared by the method of any one of claims 1-8.
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