CN115161866A - Production process of warp knitting hydrophobic polyester fabric - Google Patents
Production process of warp knitting hydrophobic polyester fabric Download PDFInfo
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- CN115161866A CN115161866A CN202210555307.2A CN202210555307A CN115161866A CN 115161866 A CN115161866 A CN 115161866A CN 202210555307 A CN202210555307 A CN 202210555307A CN 115161866 A CN115161866 A CN 115161866A
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- Prior art keywords
- polyester
- fabric
- zinc oxide
- weight
- leveling agent
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- 229920000728 polyester Polymers 0.000 title claims abstract description 77
- 239000004744 fabric Substances 0.000 title claims abstract description 75
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 25
- 238000009940 knitting Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000011787 zinc oxide Substances 0.000 claims abstract description 39
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 28
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 15
- RWZKAROCZDFJEI-UHFFFAOYSA-N ethanol;zinc Chemical compound [Zn].CCO.CCO RWZKAROCZDFJEI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004043 dyeing Methods 0.000 claims abstract description 13
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 13
- 239000003607 modifier Substances 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920006228 ethylene acrylate copolymer Polymers 0.000 claims abstract description 11
- 229920000587 hyperbranched polymer Polymers 0.000 claims abstract description 11
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 11
- 239000004094 surface-active agent Substances 0.000 claims abstract description 11
- 238000009987 spinning Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000004048 modification Effects 0.000 claims abstract description 7
- 238000012986 modification Methods 0.000 claims abstract description 7
- 238000005469 granulation Methods 0.000 claims abstract description 5
- 230000003179 granulation Effects 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 5
- 238000009941 weaving Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 47
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 16
- 239000012224 working solution Substances 0.000 claims description 16
- 125000002091 cationic group Chemical group 0.000 claims description 12
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid group Chemical group C(CC(O)(C(=O)O)CC(=O)O)(=O)O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 239000000986 disperse dye Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 239000000975 dye Substances 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 238000010409 ironing Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 150000004645 aluminates Chemical class 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 5
- 239000004902 Softening Agent Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 239000011812 mixed powder Substances 0.000 claims description 4
- 230000002940 repellent Effects 0.000 claims description 4
- 239000005871 repellent Substances 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000000835 fiber Substances 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 9
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 abstract description 4
- 230000029936 alkylation Effects 0.000 abstract description 4
- 238000005804 alkylation reaction Methods 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 2
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 239000000155 melt Substances 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- 238000009827 uniform distribution Methods 0.000 abstract description 2
- 239000007822 coupling agent Substances 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 5
- 230000003385 bacteriostatic effect Effects 0.000 description 4
- 241000222122 Candida albicans Species 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 2
- 229940095731 candida albicans Drugs 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- FTQWRYSLUYAIRQ-UHFFFAOYSA-N n-[(octadecanoylamino)methyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCNC(=O)CCCCCCCCCCCCCCCCC FTQWRYSLUYAIRQ-UHFFFAOYSA-N 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- -1 zirconium aluminate Chemical class 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
- D06P3/54—Polyesters using dispersed dyestuffs
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention discloses a production process of a warp-knitted hydrophobic warp-knitted polyester fabric, which comprises the following steps: modifying the nano zinc oxide by using a powder surface modifier; carrying out granulation on surface modified nano zinc oxide, nano graphene particle materials, ethylene acrylate copolymer, PDA and zinc ethoxide subjected to silicon oxygen alkylation and polyester powder to obtain antibacterial master batches; spinning the antibacterial wear-resistant master batch, the polyester chip, the hyperbranched polymer and the diamide type sulfonate surfactant, wherein the diameter of a monofilament is less than 0.1D; weaving grey cloth on a warp knitting machine; raising the grey cloth; dyeing; after finishing, fluff is formed. The surface modification is carried out on the nano zinc oxide, and the PDA and the zinc ethoxide which are subjected to silicon oxyalkylation are added when the chemical fiber filament is prepared from the melt, so that the uniform distribution of the nano zinc oxide in the chemical fiber is improved, and the nano zinc oxide has lasting antibacterial performance; and the wear resistance is improved by using the graphene material. The used superfine polyester multifilament has soft hand feeling and hydrophobic function after fluffing.
Description
Technical Field
The invention relates to the technical field of warp knitting fabric production, in particular to a production process of warp knitting hydrophobic polyester fabrics.
Background
With the continuous improvement of living standard of people, the demand of functional household textiles is increased, and the waterproof function of the textile is realized by using a waterproof function finishing agent in the prior art, so that on one hand, the durability of the function cannot be ensured; on the other hand, the fabric is finished through a padding process, the fabric needs to be dried while the number of process steps is increased, and the operation energy consumption is increased. In the patent of chinese invention with publication No. CN104264359A, it is mentioned that by reducing the sea phase of water-soluble polyester sea-island fiber, the remaining island phase forms continuous nanofiber, and fine nano polyester fiber fluff is formed on the surface of the fabric, so as to achieve the purpose of bionic plant surface fluff structure, and realize the function of dewatering the fluff fabric surface. The materials need to be finished by strong alkali, so that the environment-friendly problem exists. The antibacterial performance of the existing hydrophobic fabric is poor, if the antibacterial capability of the fabric is improved, an antibacterial agent solution is usually soaked, but the antibacterial capability of the suede-like fabric prepared by the soaking process is reduced after washing. And the zinc oxide nanoparticles have good antibacterial ability, and if the zinc oxide nanoparticles are added into the fibers in the process of producing chemical fibers, the chemical fibers have permanent antibacterial ability. However, in the organic matter in the molten state, the inorganic particles are generally agglomerated due to the difference in polarity between the two, so that the distribution of the inorganic ions in the prepared chemical fiber is not uniform. How to improve the durability of the antibacterial performance of the hydrophobic fabric is a problem to be solved.
Disclosure of Invention
In order to solve the technical problem, the invention provides a warp knitting hydrophobic fabric
In order to solve the technical problem, the invention aims to realize that:
the invention relates to a production process of warp knitting hydrophobic warp knitting polyester fabric, which comprises the following steps:
(1) Modification treatment of nano zinc oxide: uniformly mixing the powder surface modifier and the nano zinc oxide, placing the mixture in deionized water, irradiating the mixture for 10 to 15 minutes by adopting ultraviolet rays, and drying the mixture to prepare surface modified nano zinc oxide;
(2) Preparing the antibacterial wear-resistant master batch: drying the polyester slices, and grinding to obtain mixed powder; adding the surface modified nano zinc oxide, the nano graphene granular material, the ethylene acrylate copolymer, the siloxane alkylated PDA and the zinc ethoxide into polyester powder, and adding the polyester powder into a double-screw extruder for extrusion granulation to obtain antibacterial master batches;
(3) Preparing the superfine polyester multifilament: uniformly mixing the antibacterial wear-resistant master batch, the polyester chip, the hyperbranched polymer and the diamide type sulfonate surfactant, melting, and stirring for 10-15 minutes; spinning by a spinning box through a pre-filtering assembly and a metering pump in sequence; the prepared superfine polyester multifilament is 288F, and the diameter of each monofilament is less than 0.1D;
(4) Preparing grey cloth: weaving grey cloth on a warp knitting machine, wherein the grey cloth comprises a bottom comb and a face comb, the bottom comb and the face comb are both fully-penetrated knitted, yarn adopted by the bottom comb is 45D polyester elastic yarn, the adopted yarn laying number is 2-3/1-0//, yarn adopted by the face comb is the superfine polyester composite yarn prepared in the last step, and the adopted yarn laying number is 1-0/5-6//;
(5) Raising: shaping the gray fabric prepared in the last step at the temperature below the melting point of polyester, then repeatedly rubbing and grabbing the surface of the gray fabric through a plurality of steel needle napping machines side by side according to the designed breadth and napping length of the fabric through a napping machine, and raising the single side of the fabric; then stabilizing the size of the flannelette by using a shaping process;
(6) Dyeing: soaking the napped fabric prepared in the previous step, adding the napped fabric into a working solution prepared from a softening agent, a partial leveling agent and an expanding agent, adding a pH regulator to regulate the pH of the working solution to 4.5-5, heating to 45 ℃, adding a disperse dye and the rest of leveling agent to prepare a dye solution, keeping the temperature for 10-15min, and then heating for dyeing;
the heating rate of the working solution when the temperature is raised to 45 ℃ is 2.5 ℃/min; the temperature-rising dyeing adopts sectional temperature rising: controlling the dye liquor to heat up to 100 ℃ at the speed of 1.5 ℃/min and keeping the temperature for 5-10min, then heating up to 115 ℃ at the speed of 0.6 ℃/min and keeping the temperature for 5-10min, and finally heating up to 135 ℃ at the speed of 1.5 ℃/min and keeping the temperature for 25-30min;
when the temperature of the working solution is raised to 43 ℃, the disperse dye and the rest leveling agent are linearly added, and the linear adding time of the disperse dye and the rest leveling agent is 20min;
the leveling agent is PRDN, the sum of the dosage of the partial leveling agent and the dosage of the rest leveling agent is 2-4g/L, and the mass ratio of the partial leveling agent to the rest leveling agent is 2;
(7) And (3) after finishing: and spraying a water repellent agent on the dyed fabric, ironing the pile face at a certain temperature by using an ironing roller, and trimming off the piles with inconsistent directions to ensure that the piles have a certain pile height.
On the basis of the above scheme and as a preferable scheme of the scheme: the powder surface modifier is one or a mixture of more of titanate, aluminate and zirconium aluminate.
On the basis of the above scheme and as a preferable scheme of the scheme: the powder surface modifier and the nano zinc oxide are mixed according to the following weight ratio of 3-5: 20 parts by mass.
On the basis of the above scheme and as a preferable scheme of the scheme: the surface-modified nano-zinc oxide, nano-graphene particulate material, ethylene acrylate copolymer, siloxyalkylated PDA and zinc ethoxide are used in an amount of 10-15% by mass, 3-5% by mass, 10-15% by mass, 1-2% by mass, 2-3% by mass, respectively, of the polyester powder.
On the basis of the above scheme and as a preferable scheme of the scheme: in the step (3), the dosage of the antibacterial wear-resistant master batch accounts for 5-10 wt% of the mass of the cationic polyester chip, and the dosage of the diamide type sulfonate surfactant accounts for 3-5 wt% of the mass of the cationic polyester chip; the dosage of the hyperbranched polymer accounts for 5-10 wt% of the mass of the cationic polyester chip.
On the basis of the above scheme and as a preferable scheme of the scheme: in the step (7), the height of the fluff is 0.25-0.4mm.
On the basis of the above scheme and as a preferable scheme of the scheme: in the step (6), the pH regulator is citric acid.
The invention has the beneficial effects that: the invention relates to a production process of a warp-knitted hydrophobic polyester fabric, which improves the uniform distribution of nano zinc oxide in chemical fibers by carrying out surface modification on the nano zinc oxide and adding PDA and zinc ethoxide which are subjected to silicon-oxygen alkylation when chemical fiber filaments are prepared from a melt, and has lasting antibacterial performance; and the wear resistance is improved by using the graphene material. The used superfine terylene multifilament has soft hand feeling and hydrophobic function after fluffing.
Detailed Description
The present invention is further illustrated by the following specific examples.
Example one
The production process of the warp knitting hydrophobic polyester fabric related by the embodiment comprises the following steps:
(1) Modification treatment of the nano zinc oxide: uniformly mixing the powder surface modifier and the nano-zinc oxide, placing the mixture in deionized water, irradiating the mixture for 10 to 15 minutes by adopting ultraviolet rays, and drying the mixture to obtain the surface modified nano-zinc oxide.
Further, the powder surface modifier and the nano zinc oxide are mixed according to the mass ratio of 3-5: 20 parts by mass. In this example, the ratio of the organic solvent to the organic solvent was 3 parts by mass: 20 parts by mass of a solvent and mixing
Further, the powder surface modifier is one or a mixture of more of titanate coupling agent, aluminate coupling agent and zircoaluminate coupling agent. The titanate and aluminate species selected in this example were chosen according to a weight ratio of 1:1 by weight ratio.
(2) Preparing the antibacterial wear-resistant master batch: drying the polyester slices, and grinding to obtain mixed powder; adding the surface modified nano zinc oxide, the nano graphene granular material, the ethylene acrylate copolymer, the PDA subjected to silicon oxygen alkylation and the zinc ethoxide into the polyester powder, and adding the polyester powder into a double-screw extruder for extrusion granulation to obtain the antibacterial master batch.
Further, the surface-modified nano zinc oxide, nano-sized graphene particle material, ethylene acrylate copolymer, silicone-alkylated PDA and zinc ethoxide are used in an amount of 10-15% by weight, 3-5% by weight, 10-15% by weight, 1-2% by weight, 2-3% by weight, respectively, based on the weight of the polyester powder. Specifically to this example, the surface-modified nano-zinc oxide, nano-scale graphene particulate material, ethylene acrylate copolymer, siloxyalkylated PDA and zinc ethoxide were used in amounts of 15% wt, 3% wt, 15% wt, 1% wt, 3% wt, respectively, based on the mass percentage of the polyester powder.
PDA is carboxyl-terminated polyethylene glycol adipate. By siloxyalkylated PDA is meant that PDA is reacted with gamma-glycidoxypropyltrimethoxysilane.
(3) Preparing the superfine polyester multifilament: uniformly mixing the antibacterial wear-resistant master batch, the polyester chip, the hyperbranched polymer and the diamide type sulfonate surfactant, melting, and stirring for 10-15 minutes; spinning by a spinning box through a pre-filtering assembly and a metering pump in sequence; the prepared ultrafine polyester multifilament yarn is 288F, and the diameter of each monofilament is less than 0.1D.
Further, the antibacterial and wear-resistant master batch is used in an amount of 5-10% by weight based on the mass of the cationic polyester chips, and the bisamide type sulfonate surfactant is used in an amount of 3-5% by weight based on the mass of the cationic polyester chips; the dosage of the hyperbranched polymer accounts for 5-10 wt% of the mass of the cationic polyester chip. Specifically, in this example, the amount of the antibacterial and antiwear agent concentrate was 5% by weight, the amount of the bisamide-type sulfonate surfactant was 5% by weight, and the amount of the hyperbranched polymer was 10% by weight. PDA alkylated by silicon oxide, zinc ethoxide and other substances are mixed, heated and melted, and then stirred, so that the nano zinc oxide is distributed more uniformly in the nano zinc oxide.
(4) Preparing grey cloth: weaving grey cloth on a warp knitting machine, wherein the grey cloth comprises a bottom comb and a face comb, the bottom comb and the face comb are both fully-penetrated knitted, the bottom comb adopts 45D polyester elastic yarns, the adopted yarn laying number is 2-3/1-0//, the face comb adopts yarns as the superfine polyester composite yarns prepared in the last step, and the adopted yarn laying number is 1-0/5-6//. The gram weight of the prepared gray fabric is 130 grams per square meter.
(5) Raising: shaping the gray fabric prepared in the last step at the temperature below the melting point of polyester, then repeatedly rubbing and grabbing the surface of the gray fabric through a plurality of steel needle napping machines side by side according to the designed breadth and napping length of the fabric through a napping machine, and raising the single side of the fabric; then stabilizing the size of the flannelette by using a shaping process;
(6) Dyeing: soaking the napped fabric prepared in the previous step, adding the napped fabric into a working solution prepared from a softening agent, a part of leveling agent and an expanding agent, adding a pH regulator to regulate the pH of the working solution to 4.5, adding a disperse dye and the rest of leveling agent when the temperature is raised to 45 ℃ to prepare a dye solution, keeping the dye solution for 15min, and then heating and dyeing; the pH regulator is citric acid.
The heating rate of the working solution when the temperature is raised to 45 ℃ is 2.5 ℃/min; the temperature-rising dyeing adopts sectional temperature rising: controlling the dye solution to heat up to 100 ℃ at the speed of 1.5 ℃/min and keep for 5min, then heating up to 115 ℃ at the speed of 0.6 ℃/min and keep for 10min, and finally heating up to 135 ℃ at the speed of 1.5 ℃/min and keep for 25min;
when the temperature of the working solution is raised to 43 ℃, the disperse dye and the rest leveling agent are linearly added, and the linear adding time of the disperse dye and the rest leveling agent is 20min;
the leveling agent is PRDN, the sum of the dosage of the partial leveling agent and the dosage of the rest leveling agent is 4g/L, and the mass ratio of the partial leveling agent to the rest leveling agent is 2;
(7) And (3) after finishing: and spraying a water repellent agent on the dyed fabric, ironing the pile face at a certain temperature by using an ironing roller, and trimming off the piles with inconsistent directions to ensure that the piles have a certain pile height. The height of the pile was 0.25mm.
Example two
The production process of the warp-knitted hydrophobic polyester fabric related to the embodiment comprises the following steps:
(1) Modification treatment of the nano zinc oxide: uniformly mixing the powder surface modifier and the nano-zinc oxide, placing the mixture in deionized water, irradiating the mixture for 10 to 15 minutes by adopting ultraviolet rays, and drying the mixture to obtain the surface modified nano-zinc oxide.
Further, the powder surface modifier and the nano zinc oxide are mixed according to the mass ratio of 3-5: 20 parts by mass. In this example, the ratio of the amount of the compound (c) is 5 parts by mass: 20 parts by mass of a solvent and mixing
Further, the powder surface modifier is one or a mixture of more of titanate coupling agent, aluminate coupling agent and zircoaluminate coupling agent. The titanate and aluminate species selected in this example were chosen according to a weight ratio of 1:1 by weight ratio.
(2) Preparing the antibacterial wear-resistant master batch: drying the polyester slices, and grinding to obtain mixed powder; adding the surface modified nano zinc oxide, the nano graphene granular material, the ethylene acrylate copolymer, the PDA subjected to silicon oxygen alkylation and the zinc ethoxide into the polyester powder, and adding the polyester powder into a double-screw extruder for extrusion granulation to obtain the antibacterial master batch.
Further, the surface-modified nano zinc oxide, nano-sized graphene particle material, ethylene acrylate copolymer, silicone-alkylated PDA and zinc ethoxide are used in an amount of 10-15% by weight, 3-5% by weight, 10-15% by weight, 1-2% by weight, 2-3% by weight, respectively, based on the weight of the polyester powder. Specifically, in this example, the surface-modified nano zinc oxide, nano-sized graphene particle material, ethylene acrylate copolymer, siloxane-alkylated PDA and zinc ethoxide were used in amounts of 10% by weight, 5% by weight, 10% by weight, 2% by weight and 2% by weight, respectively, based on the mass percentage of the polyester powder.
PDA is carboxyl-terminated polyethylene glycol adipate. By siloxyalkylated PDA is meant that PDA is reacted with gamma-glycidoxypropyltrimethoxysilane.
(3) Preparing the superfine polyester multifilament: uniformly mixing the antibacterial wear-resistant master batch, the polyester chip, the hyperbranched polymer and the diamide type sulfonate surfactant, melting, and stirring for 10-15 minutes; spinning by a spinning box through a pre-filtering assembly and a metering pump in sequence; the prepared ultrafine polyester multifilament yarn is 288F, and the diameter of each monofilament is less than 0.1D.
Further, the dosage of the antibacterial wear-resistant master batch accounts for 5-10% wt of the mass of the cationic polyester chip, and the dosage of the diamide type sulfonate surfactant accounts for 3-5% wt of the mass of the cationic polyester chip; the dosage of the hyperbranched polymer accounts for 5-10 wt% of the mass of the cationic polyester chip. Specifically, in this example, the amount of the antibacterial and antiwear agent concentrate was 10% by weight, the amount of the bisamide-type sulfonate surfactant was 3% by weight, and the amount of the hyperbranched polymer was 5% by weight. PDA and zinc ethoxide which are subjected to silicon oxyalkylation are mixed with other substances, heated and melted, and then stirred, so that the nano zinc oxide is distributed more uniformly in the nano zinc oxide.
(4) Preparing grey cloth: weaving grey cloth on a warp knitting machine, wherein the grey cloth comprises a bottom comb and a face comb, the bottom comb and the face comb are both fully-penetrated knitted, the bottom comb adopts 45D polyester elastic yarns, the adopted yarn laying number is 2-3/1-0//, the face comb adopts yarns as the superfine polyester composite yarns prepared in the last step, and the adopted yarn laying number is 1-0/5-6//. The gram weight of the prepared gray fabric is 130 grams per square meter.
(5) Raising: shaping the gray fabric prepared in the last step at the temperature below the melting point of polyester, then repeatedly rubbing and grabbing the surface of the gray fabric through a plurality of steel needle napping machines side by side according to the designed breadth and napping length of the fabric through a napping machine, and raising the single side of the fabric; then stabilizing the size of the flannelette by using a shaping process;
(6) Dyeing: soaking the napped fabric prepared in the previous step, adding the napped fabric into a working solution prepared from a softening agent, a partial leveling agent and an expanding agent, adding a pH regulator to regulate the pH of the working solution to 5, heating to 45 ℃, adding a disperse dye and the rest of leveling agent to prepare a dye solution, keeping the temperature for 10min, and then heating for dyeing; the pH regulator is citric acid.
The heating rate of the working solution when the temperature is raised to 45 ℃ is 2.5 ℃/min; the temperature-rising dyeing adopts sectional temperature rising: controlling the dye solution to heat up to 100 ℃ at the speed of 1.5 ℃/min and keep for 10min, then heating up to 115 ℃ at the speed of 0.6 ℃/min and keep for 5min, and finally heating up to 135 ℃ at the speed of 1.5 ℃/min and keep for 30min;
when the temperature of the working solution is raised to 43 ℃, the disperse dye and the residual leveling agent are linearly added, wherein the linear adding time of the disperse dye and the residual leveling agent is 20min;
the leveling agent is PRDN, the sum of the dosage of the partial leveling agent and the dosage of the rest leveling agent is 2g/L, and the mass ratio of the partial leveling agent to the rest leveling agent is 2;
(7) And (3) after finishing: and spraying a water repellent agent on the dyed fabric, ironing the pile face at a certain temperature by using an ironing roller, and trimming off the piles with inconsistent directions to ensure that the piles have a certain pile height. The height of the pile was 0.4mm.
The warp-knitted hydrophobic polyester fabrics of the first and second examples were subjected to an abrasion resistance test in accordance with ISO5981, and the test results are as follows. The wear resistance times of the warp knitted fabrics in the first and second embodiments are about 35000 times or more, and about 15000 times or so, which indicates that the warp knitted fabrics prepared in the first and second embodiments have good wear resistance.
And the warp-knitted hydrophobic polyester fabrics prepared in the first and second embodiments are subjected to an antibacterial ability test: the bacteriostatic rates of escherichia coli, staphylococcus aureus and candida albicans are respectively 96%, 96% and 94%, the antibacterial effect is still obvious after 50 times of washing, and the bacteriostatic rates are respectively 93%, 90% and 92%, and are far higher than the bacteriostatic standard (the bacteriostatic rate is that escherichia coli is more than or equal to 70%, staphylococcus aureus is more than or equal to 70%, and candida albicans is more than or equal to 60%).
The hydrophobic property test of the warp knitting hydrophobic polyester fabrics prepared in the first embodiment and the second embodiment shows that water drops do not diffuse into the fabrics, and the hydrophobic effect is good.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the above teachings. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. A production process of warp knitting hydrophobic polyester fabrics is characterized by comprising the following steps:
(1) Modification treatment of the nano zinc oxide: uniformly mixing the powder surface modifier with the nano zinc oxide, then placing the mixture into deionized water, irradiating the mixture for 10 to 15min by adopting ultraviolet rays, and drying the mixture to prepare surface modified nano zinc oxide;
(2) Preparing the antibacterial wear-resistant master batch: drying polyester chips, and grinding to obtain mixed powder; adding the surface modified nano zinc oxide, the nano graphene granular material, the ethylene acrylate copolymer, the siloxane alkylated PDA and the zinc ethoxide into polyester powder, and adding the polyester powder into a double-screw extruder for extrusion granulation to obtain antibacterial master batches;
(3) Preparing the superfine polyester multifilament: uniformly mixing the antibacterial wear-resistant master batch, the polyester chip, the hyperbranched polymer and the diamide type sulfonate surfactant, melting, and stirring for 10-15 minutes; spinning by a spinning box through a pre-filtering assembly and a metering pump in sequence; the prepared ultrafine polyester multifilament is 288F, and the diameter of each monofilament is less than 0.1D;
(4) Preparing a grey fabric: weaving grey cloth on a warp knitting machine, wherein the grey cloth comprises a bottom comb and a face comb, the bottom comb and the face comb are both fully-penetrated knitted, yarn adopted by the bottom comb is 45D polyester elastic yarn, the adopted yarn laying number is 2-3/1-0//, yarn adopted by the face comb is the superfine polyester composite yarn prepared in the last step, and the adopted yarn laying number is 1-0/5-6//;
(5) Raising: shaping the gray fabric prepared in the previous step at the temperature below the melting point of polyester, then repeatedly rubbing and grabbing the surface of the gray fabric through a plurality of steel needle napping machines side by side according to the designed breadth and napping length of the fabric through a napping machine, and raising a single side of the fabric; then stabilizing the size of the flannelette by using a shaping process;
(6) Dyeing: soaking the napped fabric prepared in the previous step, adding the napped fabric into a working solution prepared from a softening agent, a part of leveling agent and an expanding agent, adding a pH regulator to regulate the pH of the working solution to 4.5-5, heating to 45 ℃, adding a disperse dye and the rest of leveling agent to prepare a dye solution, keeping the temperature for 10-15min, and then heating for dyeing;
the heating rate of the working solution when the temperature is raised to 45 ℃ is 2.5 ℃/min; the temperature-rising dyeing adopts sectional temperature rising: controlling the dye liquor to heat up to 100 ℃ at the speed of 1.5 ℃/min and keeping the temperature for 5-10min, then heating up to 115 ℃ at the speed of 0.6 ℃/min and keeping the temperature for 5-10min, finally heating up to 135 ℃ at the speed of 1.5 ℃/min and keeping the temperature for 25-30min;
when the temperature of the working solution is raised to 43 ℃, the disperse dye and the rest leveling agent are linearly added, and the linear adding time of the disperse dye and the rest leveling agent is 20min;
the leveling agent is PRDN, the sum of the dosage of the partial leveling agent and the dosage of the rest leveling agent is 2-4g/L, and the mass ratio of the partial leveling agent to the rest leveling agent is 2;
(7) And (3) after finishing: and spraying a water repellent agent on the dyed fabric, ironing the suede at a certain temperature by using an ironing roller, and trimming off the fluff with inconsistent direction so as to enable the fluff to have a certain fluff height.
2. The production process of the warp knitting hydrophobic polyester fabric as claimed in claim 1, wherein the powder surface modifier is one or a mixture of titanate, aluminate and zircoaluminate.
3. The production process of the warp-knitted hydrophobic polyester fabric as claimed in claim 1, wherein the powder surface modifier and the nano zinc oxide are mixed according to the mass ratio of 3-5: 20 parts by mass.
4. The process for producing warp-knitted hydrophobic warp-knitted polyester fabric according to claim 1, wherein the surface-modified nano zinc oxide, nano-graphene particle material, ethylene acrylate copolymer, siloxane-alkylated PDA and zinc ethoxide are used in an amount of 10-15% by weight, 3-5% by weight, 10-15% by weight, 1-2% by weight, 2-3% by weight, respectively, based on the weight of the polyester powder.
5. The process for producing a warp-knitted hydrophobic polyester fabric according to claim 1, wherein in the step (3), the antibacterial wear-resistant master batch is used in an amount of 5-10% by weight based on the mass of the cationic polyester chip, and the bisamide-type sulfonate surfactant is used in an amount of 3-5% by weight based on the mass of the cationic polyester chip; the amount of hyperbranched polymer used is 5-10% by weight of the mass of the cationic polyester chip.
6. The process for producing warp-knitted hydrophobic polyester fabric according to claim 1, wherein in the step (7), the height of the pile is 0.25-0.4mm.
7. The process for producing warp knitting hydrophobic polyester fabrics as claimed in claim 1, wherein in the step (6), the pH regulator is citric acid.
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