CN113684678A - Water-based fabric coating finishing agent with heat preservation performance - Google Patents
Water-based fabric coating finishing agent with heat preservation performance Download PDFInfo
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- CN113684678A CN113684678A CN202110981863.1A CN202110981863A CN113684678A CN 113684678 A CN113684678 A CN 113684678A CN 202110981863 A CN202110981863 A CN 202110981863A CN 113684678 A CN113684678 A CN 113684678A
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- titanium dioxide
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- 239000004744 fabric Substances 0.000 title claims abstract description 72
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 52
- 239000011248 coating agent Substances 0.000 title claims abstract description 40
- 238000000576 coating method Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000004321 preservation Methods 0.000 title abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 59
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000839 emulsion Substances 0.000 claims abstract description 31
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 26
- 239000004964 aerogel Substances 0.000 claims abstract description 18
- -1 polypropylene Polymers 0.000 claims abstract description 18
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 18
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 18
- 239000002270 dispersing agent Substances 0.000 claims abstract description 17
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 14
- 229920002635 polyurethane Polymers 0.000 claims abstract description 13
- 239000004814 polyurethane Substances 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 12
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000004743 Polypropylene Substances 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920001155 polypropylene Polymers 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 239000010703 silicon Substances 0.000 claims abstract description 9
- 239000000080 wetting agent Substances 0.000 claims abstract description 8
- 239000002562 thickening agent Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 27
- 239000004965 Silica aerogel Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 13
- 239000002518 antifoaming agent Substances 0.000 claims description 9
- 238000004945 emulsification Methods 0.000 claims description 9
- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 claims description 7
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 7
- 230000001804 emulsifying effect Effects 0.000 claims description 7
- 239000000194 fatty acid Substances 0.000 claims description 7
- 229930195729 fatty acid Natural products 0.000 claims description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 229920000136 polysorbate Polymers 0.000 claims description 7
- 229940057950 sodium laureth sulfate Drugs 0.000 claims description 7
- SXHLENDCVBIJFO-UHFFFAOYSA-M sodium;2-[2-(2-dodecoxyethoxy)ethoxy]ethyl sulfate Chemical compound [Na+].CCCCCCCCCCCCOCCOCCOCCOS([O-])(=O)=O SXHLENDCVBIJFO-UHFFFAOYSA-M 0.000 claims description 7
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 6
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000000052 vinegar Substances 0.000 claims description 5
- 235000021419 vinegar Nutrition 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000003002 pH adjusting agent Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 11
- 239000007787 solid Substances 0.000 description 7
- 229920000728 polyester Polymers 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000004753 textile Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 4
- YCQYTRFUABYWTI-UHFFFAOYSA-N [O].C[Si](C)C Chemical compound [O].C[Si](C)C YCQYTRFUABYWTI-UHFFFAOYSA-N 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- MURAOEXRXBBEDI-UHFFFAOYSA-N 2-trimethylsilyloxyacetic acid Chemical compound C[Si](C)(C)OCC(O)=O MURAOEXRXBBEDI-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 1
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical group CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000675 fabric finishing Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009962 finishing (textile) Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
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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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- 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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
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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
- D06M15/21—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
- D06M15/643—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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to a water-based fabric coating finishing agent with heat preservation performance. The finishing agent comprises: 40-60 parts of aqueous polyurethane emulsion, 10-20 parts of polypropylene resin emulsion, 4-6 parts of thickener, 30-40 parts of deionized water, 5-10 parts of organic silicon emulsion, 8-10 parts of titanium dioxide, 10-20 parts of surface-treated silicon dioxide aerogel, 3-6 parts of titanium dioxide dispersant, 4-8 parts of silicon dioxide aerogel dispersant, 2-5 parts of silane coupling agent and 1-2 parts of wetting agent. The finishing agent meets the requirement of environmental protection, and has better heat retention, friction resistance and water washing resistance after finishing the fabric.
Description
Technical Field
The invention belongs to the field of finishing agents for textiles, and particularly relates to a water-based fabric coating finishing agent with heat preservation performance.
Background
The heat preservation is a matter which is considered by human beings in winter, so that the fabric has the heat preservation performance and is an important direction for the research of the textile industry, and the traditional heat preservation fabric improves the heat preservation performance by increasing the thickness of a filler or the fabric. Therefore, the produced product is heavy and has poor comfort. At present, the research and development of the heat preservation performance of the fabric are limited, and the better heat preservation function cannot be achieved. In the prior art, a plurality of methods for keeping warm by a multi-layer fabric compounding mode exist, but the process flow is complex and the cost is high. The warmth retention property is improved by designing a fabric structure, but the weaving process is complicated.
In addition, most of the existing thermal fabric coating agents are solvent-based, and cannot meet the requirement of environmental protection. At present, the warm-keeping effect of the fabric coating is not ideal. Chinese patent application No. 201410023723.3 discloses a multilayer structure heat-insulating coated fabric, and chinese patent application No. CN201610655683.3 discloses a heat-insulating fabric with excellent heat-insulating effect, but all have the problems of high cost, complex process flow, limited heat-insulating effect, poor comfort performance and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing a water-based fabric coating finishing agent with heat preservation performance so as to overcome the defects of complex process, poor heat preservation effect, insufficient environmental protection of the coating finishing agent and the like of heat preservation fabrics in the prior art.
The invention provides a water-based fabric coating finishing agent which comprises the following components in parts by weight: 40-60 parts of aqueous polyurethane emulsion, 10-20 parts of polypropylene resin emulsion, 4-6 parts of thickener, 30-40 parts of deionized water, 5-10 parts of organic silicon emulsion, 8-10 parts of titanium dioxide, 10-20 parts of surface-treated silicon dioxide aerogel, 3-6 parts of titanium dioxide dispersant, 4-8 parts of silicon dioxide aerogel dispersant, 2-5 parts of silane coupling agent and 1-2 parts of wetting agent.
Preferably, in the finishing agent, the mass concentration of the aqueous polyurethane emulsion is 10-20%.
Preferably, in the finishing agent, the thickener is hydroxyethyl cellulose.
Preferably, in the finishing agent, the particle size distribution of the surface-treated silica aerogel is D90 ≤ 50 μm; the surface-treated silica aerogel is silica aerogel with hydroxyl groups grafted on the surface, and specifically comprises the following components: introducing oxygen at the temperature of 200 ℃ and 300 ℃ in a muffle furnace for 5-10 minutes to graft hydroxyl on the surface of the silicon dioxide aerogel, thereby improving the dispersion stability of the silicon dioxide aerogel in water.
Preferably, in the finishing agent, the 3-6 parts of titanium dioxide dispersant (for dispersing titanium dioxide) is: 2.7-5.5 parts of sodium dodecyl sulfate and 0.3-0.5 part of sodium laureth sulfate.
Preferably, in the finishing agent, the 4 to 8 parts of silica aerogel dispersant (for dispersing silica aerogel) is: 2-4 parts of trimethylsiloxy acid vinegar and 2-4 parts of decamethylcyclopentasiloxane.
Preferably, in the finishing agent, the silane coupling agent is KH-550.
Preferably, in the finishing agent, the 1-2 parts of wetting agent is: 0.5-1 part of sorbitan fatty acid ester and 0.5-1 part of tween.
Preferably, in the finishing agent, the finishing agent further comprises 6-8 parts of a defoaming agent and 0.3-0.5 part of a pH regulator.
Preferably, in the finishing agent, the defoaming agent is CF-16; the pH regulator is AMP-95.
The invention also provides a preparation method of the water-based fabric coating finishing agent, which comprises the following steps:
(1) mixing 10-20 parts of surface-treated silica aerogel, 4-8 parts of silica aerogel dispersant and 10-20 parts of deionized water, and stirring to obtain slurry 1;
(2) mixing 8-10 parts of titanium dioxide, 3-6 parts of titanium dioxide dispersing agent and 10-20 parts of deionized water, and stirring to obtain slurry 2;
(3) mixing 40-60 parts of aqueous polyurethane emulsion, 10-20 parts of polypropylene resin emulsion and 5-10 parts of organic silicon emulsion, and stirring to obtain an adhesive;
(4) and (3) mixing the slurry 1 in the step (1) and the adhesive in the step (3), homogenizing and emulsifying, adding the slurry 2 in the step (2), then adding 2-5 parts of silane coupling agent, homogenizing and emulsifying again, adding 1-2 parts of wetting agent, stirring, adding 4-6 parts of thickening agent, and continuing stirring to obtain the aqueous fabric coating finishing agent.
Preferably, in the above method, the stirring time in the steps (1), (2) and (3) is 1-2 h.
Preferably, in the method, the temperature of the homogenizing emulsification and the re-homogenizing emulsification in the step (4) is 35-40 ℃, and the time for homogenizing emulsification and the re-homogenizing emulsification stirring is 1-3 h.
Preferably, in the method, the stirring and continuing stirring time in the step (4) is 2-5 h.
Preferably, in the above method, 6 to 8 parts of defoaming agent is added after the homogenization and emulsification in the step (4) again.
Preferably, in the above method, 0.3 to 0.5 part of the pH adjusting agent is added after stirring in the step (4).
The invention also provides application of the water-based fabric coating finishing agent in warm-keeping fabrics.
The silane coupling agent is added into the finishing agent, so that the physical and chemical properties such as strength, toughness and water washing resistance of the fabric finished by the finishing agent are improved.
The water-based fabric coating finishing agent provided by the invention adopts water as a solvent or a dispersion medium, so that compared with a solvent type, the water-based fabric coating finishing agent can greatly reduce the discharge of VOC (volatile organic compounds), and better meets the requirement of environmental protection. According to the invention, the excellent heat insulation property of the silicon dioxide aerogel is utilized, so that the prepared coating finishing agent has good heat insulation property, and meanwhile, the titanium dioxide is compounded, and the silicon dioxide aerogel and the titanium dioxide have a synergistic effect, so that the heat insulation property is better. In addition, the invention only needs to be coated on the fabric in a single layer, so the air permeability and softness of the fabric are better.
Advantageous effects
(1) The coating finishing agent prepared by the invention can meet the new requirements of textile coating finishing, and has better heat retention, hydrophobicity and water washing resistance after finishing the textile.
(2) According to the invention, a series of coating finishing agents with different softness can be prepared by adjusting the component ratio of the waterborne polyurethane to the organic silicon resin, and the coating finishing agents can be applied to home textile fabrics such as clothes, curtains and the like.
(3) The water-based fabric coating finishing agent uses water as a solvent or a dispersion medium, is more environment-friendly, and can greatly reduce the discharge of VOC.
(4) The invention adopts a surface active treatment mode to realize the stable dispersion of the silicon dioxide aerogel and the titanium dioxide, so that the coating agent has longer storage stability.
(5) The invention can directly complete large-scale and batch continuous production through the sizing process, and has the advantages of low production cost, high efficiency, simple process and wide application prospect.
Drawings
FIGS. 1-3 are flow charts of the preparation of aqueous fabric coating finishes of the present invention.
FIG. 4 is a contact angle of the finish of example 1 after coating a polyester fabric.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The sources of the raw materials referred to in the examples are as follows:
titanium dioxide: analytical purity (AR) of Shanghai Aladdin Biotechnology GmbH
Silica aerogel: shanxi Yangquan coal industry (group) Limited liability company
Aqueous polyurethane emulsion: german Pasteur coating grade
Silane coupling agent: chemical Purity (CP) of chemical reagent of national drug group Limited
Dispersing agent:
sodium dodecyl sulfate: analytical pure (AR) of Affa Angsa (China) chemical Co., Ltd
Sodium laureth sulfate: shanghai Yuan leaf Biotechnology Co., Ltd analytical pure (AR)
Decamethylcyclopentasiloxane: Alfa-Sha (China) chemical Co., Ltd
Wetting agent:
tween: guangzhou brocade source chemical company of Chemical Purity (CP)
Sorbitan fatty acid ester: chemical Purity (CP) of Haian petrochemical plant of Jiangsu province
Defoaming agent:
CF-16: industrial grade, Saideli technologies, Beijing.
The examples relate to the following performance tests:
water washing resistance: tested according to GB/T5713-1997 standard.
Flexibility: the softness of the fabric before and after application of the coating was tested using a fabric softness tester.
And (3) friction resistance: the coated fabrics were tested for their colour fastness to rubbing according to GB/T3920-2008.
Example 1
An aqueous fabric coating finishing agent with heat preservation performance comprises the following components in parts by weight: 40 parts of aqueous polyurethane emulsion (with the solid content of 45%), 10 parts of polypropylene resin emulsion, 4 parts of hydroxyethyl cellulose, 30 parts of deionized water, 6 parts of organosilicon emulsion, 8 parts of titanium dioxide, 10 parts of surface-treated silica aerogel powder, 3 parts of sodium dodecyl sulfate, 0.3 part of sodium laureth sulfate, 2 parts of trimethyl silicon oxygen vinegar, 2 parts of decamethylcyclopentasiloxane, 0.5 part of silane coupling agent KH-5503 parts, 0.5 part of sorbitan fatty acid ester, 0.5 part of tween, AMP-950.3 part of pH regulator and CF-166 parts of defoaming agent. Wherein the surface-treated silica aerogel is: and introducing oxygen at the temperature of 200 ℃ in a muffle furnace for 5 minutes to graft hydroxyl on the surface of the silicon dioxide aerogel.
A method of preparing an aqueous fabric coating finish comprising:
(1) mixing 10 parts of silicon dioxide aerogel subjected to surface treatment, 3 parts of trimethylsiloxy acetic acid, 3 parts of decamethylcyclopentasiloxane and 10 parts of deionized water, and stirring for 1.5 hours to obtain slurry 1;
(2) mixing 8 parts of titanium dioxide, 3 parts of lauryl sodium sulfate, 0.3 part of sodium laureth sulfate and 10 parts of deionized water, and stirring for 1.5 hours to obtain slurry 2;
(3) mixing 40 parts of aqueous polyurethane emulsion, 10 parts of polypropylene resin emulsion and 6 parts of organic silicon emulsion, and stirring for 2 hours at 40-60 ℃ to obtain an adhesive;
(4) and (2) mixing the slurry 1 in the step (1) and the adhesive in the step (3), strongly stirring for 2 hours at 35-40 ℃ in a homogenizing emulsifying machine, adding the slurry 2 in the step (2), then adding 3 parts of silane coupling agent, strongly stirring for 2 hours at 35-40 ℃ in the homogenizing emulsifying machine, adding 6 parts of defoaming agent, 0.5 part of sorbitan fatty acid ester and 0.5 part of tween, strongly stirring for 3 hours, adding 4 parts of hydroxyethyl cellulose and 0.3 part of pH regulator, and strongly stirring for 3 hours to obtain the water-based fabric coating finishing agent.
The dispersion of the finish in this example is shown in the following table, with the dispersant in example 1 modified to the dispersant in the table for comparison:
example 2
An aqueous fabric coating finishing agent with heat preservation performance comprises the following components in parts by weight: 50 parts of aqueous polyurethane emulsion (with the solid content of 45%), 10 parts of polypropylene resin emulsion, 5 parts of hydroxyethyl cellulose, 35 parts of deionized water, 8 parts of organosilicon emulsion, 9 parts of titanium dioxide, 15 parts of surface-treated silica aerogel powder, 4 parts of sodium dodecyl sulfate, 0.4 part of sodium laureth sulfate, 3 parts of trimethyl silicon oxygen vinegar, 3 parts of decamethylcyclopentasiloxane, KH-5504 parts of silane coupling agent, AMP-950.4 parts of pH regulator, CF-166 parts of defoaming agent, 0.5 part of sorbitan fatty acid ester and 0.5 part of Tween. Wherein the surface-treated silica aerogel is: and introducing oxygen at the temperature of 200 ℃ in a muffle furnace for 5 minutes to graft hydroxyl on the surface of the silicon dioxide aerogel.
This example also provides a method for preparing an aqueous fabric coating finish with thermal properties, according to example 1.
Example 3
An aqueous fabric coating finishing agent with heat preservation performance comprises the following components in parts by weight: 60 parts of aqueous polyurethane emulsion (with the solid content of 45%), 20 parts of polypropylene resin emulsion, 6 parts of hydroxyethyl cellulose, 40 parts of deionized water, 10 parts of organic silicon emulsion, 10 parts of titanium dioxide, 20 parts of surface-treated silica aerogel powder, 5 parts of sodium dodecyl sulfate, 0.3 part of sodium laureth sulfate, 4 parts of trimethyl silicon oxygen vinegar, 4 parts of decamethylcyclopentasiloxane, 5 parts of silane coupling agent KH-5505 parts, pH regulator AMP-950.5 parts, CF-168 parts of defoaming agent, 1 part of sorbitan fatty acid ester and 1 part of Tween. Wherein the surface-treated silica aerogel is: and introducing oxygen at the temperature of 300 ℃ in a muffle furnace for 5 minutes to graft hydroxyl on the surface of the silicon dioxide aerogel.
This example also provides a method for preparing an aqueous fabric coating finish with thermal properties, according to example 1.
Comparative example 1
The comparative example provides a water-based fabric coating finishing agent with heat preservation performance and a preparation method thereof, according to example 1, the weight part of silicon dioxide aerogel powder subjected to surface treatment is changed into 18 parts, titanium dioxide is not added, and the rest is the same as that of example 1.
Comparative example 2
The comparative example provides a water-based fabric coating finishing agent with heat preservation performance and a preparation method thereof, according to example 1, the weight part of titanium dioxide is modified to 18 parts, silicon dioxide aerogel powder subjected to surface treatment is not added, and the rest is the same as that of example 1.
The physical indexes of the fabric finishing agent with the heat-insulating property in the embodiments 1-3 and the comparative examples 1-2 are respectively tested by using a Zeta potentiometer, an Antopa rotational rheometer, a Mettler pH meter and a solid content tester to obtain the pH value, the solid content, the viscosity and the Zeta potential of the embodiments, and the results are shown in the following table 1:
TABLE 1 physical index of textile finish
| Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | |
| Appearance (viscous fluid) | Milky white color | Milky white color | Milky white color | Milky white color | Light yellow |
| pH value | 9 | 9 | 8 | 8.5 | 8 |
| Solid content% | 50 | 55 | 56 | 52 | 54 |
| Viscosity mpa.s,25 deg.C | 800 | 820 | 825 | 805 | 815 |
| Zeta potential mV | 50 | 48 | 49 | 51 | 52 |
As can be seen from Table 1, example 1 has a lower solids content but a better stability. In addition, the composite pastes of examples 1 to 3 after mixing all had reduced stability as compared with the pastes of comparative examples 1 to 2.
The finishing agent in the examples 1-3 and the comparative examples 1-2 is used for finishing the polyester fabric, and the specific steps are as follows: and (3) passing the polyester fabric through a padding machine, performing blowing and rolling treatment twice in a finishing agent (open width padding machine treatment, linear speed of 70m/min and rolling residual rate of 75%) to obtain the sized fabric. And then, placing the sized fabric in an environment of 80 ℃ for baking for 2h, and then placing the fabric in an environment of 40 ℃ for drying for 6h to obtain the after-finishing polyester fabric.
The silane coupling agent can well improve the washing resistance, and the color fastness to washing of the fabric finished by the finishing agent in the embodiment 1 can reach 4-5 levels. In addition, after 20 times of washing, the heat transfer coefficient at normal temperature is still as low as 0.038W/(mK).
Finishing agents with different handfeels can be prepared according to different proportions of the organic silicon emulsion. Example 1 finishing agent finished fabric the resulting post-finished polyester fabric was tested for softness using a fabric softness tester for the fabric before and after application of the coating and found to have little change in softness.
The coated fabric finished with the finishing agent of example 1 is subjected to an abrasion color fastness test, and the abrasion color fastness is 4-5 grades.
The finish of example 1 was coated on a polyester fabric and a contact angle around 149 deg. was measured, indicating that the coating was very hydrophobic (as shown in figure 4).
The fabric after finishing is used for testing the air permeability of the fabric by using a fabric air permeability tester at normal temperature (35 ℃), the thermal conductivity coefficient of the fabric is tested by using a thermal conductivity meter Fox200, the water vapor permeability of the fabric is tested by using a water vapor permeability tester, the silica aerogel load rate of the fabric is obtained by calculation (the calculation formula is shown as follows), and the performance index result of the fabric after finishing is shown in Table 2.
f is the load factor, m0And m1Respectively the quality of the fabric before and after coating.
TABLE 2 Performance index of after-finishing fabrics
As can be seen from Table 2, the coefficient of thermal conductivity of the fabric treated by the finishing agent of comparative example 1 only containing silica aerogel and the coefficient of thermal conductivity of the fabric treated by the finishing agent of comparative example 2 only containing titanium dioxide are both higher, and the coefficient of thermal conductivity of the fabric treated by the finishing agent of examples 1 to 3 after the finishing agent and the titanium dioxide are compounded is obviously reduced. It can therefore be concluded that the titanium dioxide and silica aerogel have a synergistic effect in the slurry.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be made by those skilled in the art without inventive work within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (10)
1. The water-based fabric coating finishing agent is characterized by comprising the following components in parts by weight: 40-60 parts of aqueous polyurethane emulsion, 10-20 parts of polypropylene resin emulsion, 4-6 parts of thickener, 30-40 parts of deionized water, 5-10 parts of organic silicon emulsion, 8-10 parts of titanium dioxide, 10-20 parts of surface-treated silicon dioxide aerogel, 3-6 parts of titanium dioxide dispersant, 4-8 parts of silicon dioxide aerogel dispersant, 2-5 parts of silane coupling agent and 1-2 parts of wetting agent.
2. The finishing agent according to claim 1, wherein the mass concentration of the aqueous polyurethane emulsion is 10-20%; the thickener is hydroxyethyl cellulose.
3. The finish of claim 1, wherein the surface-treated silica aerogel has a particle size distribution of D90 ≦ 50 μm; the surface-treated silica aerogel is silica aerogel with hydroxyl groups grafted on the surface, and specifically comprises the following components: introducing oxygen at the temperature of 200 ℃ and 300 ℃ in a muffle furnace for 5-10 minutes to graft hydroxyl on the surface of the silicon dioxide aerogel.
4. The finish of claim 1, wherein the 3 to 6 parts of titanium dioxide dispersant is: 2.7-5.5 parts of sodium dodecyl sulfate and 0.3-0.5 part of sodium laureth sulfate; 4-8 parts of silica aerogel dispersant are: 2-4 parts of trimethylsiloxy acid vinegar and 2-4 parts of decamethylcyclopentasiloxane.
5. The finish of claim 1, wherein the silane coupling agent is KH-550; 1-2 parts of wetting agent: 0.5-1 part of sorbitan fatty acid ester and 0.5-1 part of tween.
6. The finish of claim 1, further comprising 6 to 8 parts of a defoamer and 0.3 to 0.5 parts of a pH adjuster.
7. A method of preparing an aqueous fabric coating finish comprising:
(1) mixing 10-20 parts of surface-treated silica aerogel, 4-8 parts of silica aerogel dispersant and 10-20 parts of deionized water, and stirring to obtain slurry 1;
(2) mixing 8-10 parts of titanium dioxide, 3-6 parts of titanium dioxide dispersing agent and 10-20 parts of deionized water, and stirring to obtain slurry 2;
(3) mixing 40-60 parts of aqueous polyurethane emulsion, 10-20 parts of polypropylene resin emulsion and 5-10 parts of organic silicon emulsion, and stirring to obtain an adhesive;
(4) and (3) mixing the slurry 1 in the step (1) and the adhesive in the step (3), homogenizing and emulsifying, adding the slurry 2 in the step (2), then adding 2-5 parts of silane coupling agent, homogenizing and emulsifying again, adding 1-2 parts of wetting agent, stirring, adding 4-6 parts of thickening agent, and continuing stirring to obtain the aqueous fabric coating finishing agent.
8. The method according to claim 7, wherein the stirring time in the steps (1), (2) and (3) is 1-2 h.
9. The preparation method according to claim 7, wherein the temperature of the homogenizing emulsification and the re-homogenizing emulsification in the step (4) is 35-40 ℃, and the time for the homogenizing emulsification and the re-homogenizing emulsification stirring is 1-3 h; stirring and continuing stirring for 2-5 h; homogenizing and emulsifying again, and adding 6-8 parts of defoaming agent; after stirring, 0.3-0.5 part of pH regulator is added.
10. Use of the finish of claim 1 in warming fabrics.
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| CN116334915A (en) * | 2023-03-08 | 2023-06-27 | 东华大学 | Silica aerogel composite board and preparation method and application thereof |
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