CN113089129B - Easily-cleaned composite textile material and preparation method thereof - Google Patents
Easily-cleaned composite textile material and preparation method thereof Download PDFInfo
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- CN113089129B CN113089129B CN202110360201.2A CN202110360201A CN113089129B CN 113089129 B CN113089129 B CN 113089129B CN 202110360201 A CN202110360201 A CN 202110360201A CN 113089129 B CN113089129 B CN 113089129B
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- polylactic acid
- textile material
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- 239000004753 textile Substances 0.000 title claims abstract description 68
- 239000002131 composite material Substances 0.000 title claims abstract description 61
- 239000000463 material Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 174
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 50
- 239000004626 polylactic acid Substances 0.000 claims abstract description 50
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000003670 easy-to-clean Effects 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000009987 spinning Methods 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 17
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract description 10
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 9
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims abstract description 9
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims abstract description 9
- 235000019838 diammonium phosphate Nutrition 0.000 claims abstract description 9
- 239000000839 emulsion Substances 0.000 claims abstract description 9
- 238000002074 melt spinning Methods 0.000 claims abstract description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 9
- 125000005007 perfluorooctyl group Chemical group FC(C(C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)* 0.000 claims abstract description 6
- 238000002791 soaking Methods 0.000 claims abstract description 6
- 229940124530 sulfonamide Drugs 0.000 claims abstract description 6
- 239000011435 rock Substances 0.000 claims description 30
- 238000001035 drying Methods 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 25
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 22
- 238000007664 blowing Methods 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000011259 mixed solution Substances 0.000 claims description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000012670 alkaline solution Substances 0.000 claims description 9
- 150000001408 amides Chemical class 0.000 claims description 9
- 235000019441 ethanol Nutrition 0.000 claims description 9
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 9
- -1 polyoxyethylene Polymers 0.000 claims description 9
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 239000005696 Diammonium phosphate Substances 0.000 claims description 5
- RRRXPPIDPYTNJG-UHFFFAOYSA-N perfluorooctanesulfonamide Chemical compound NS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F RRRXPPIDPYTNJG-UHFFFAOYSA-N 0.000 claims description 5
- NMDQPQZRIKCRDU-UHFFFAOYSA-N 3-chloro-2-dodecylpyridine Chemical compound CCCCCCCCCCCCC1=NC=CC=C1Cl NMDQPQZRIKCRDU-UHFFFAOYSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000035699 permeability Effects 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 65
- 229920000139 polyethylene terephthalate Polymers 0.000 description 64
- 238000010521 absorption reaction Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 239000004744 fabric Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 229920000728 polyester Polymers 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008642 heat stress Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- 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
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
-
- 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
- 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
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- 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
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/35—Heterocyclic compounds
- D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
-
- 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
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/438—Sulfonamides ; Sulfamic acids
-
- 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
- D06M13/503—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 without bond between a carbon atom and a metal or a boron, silicon, selenium or tellurium atom
- D06M13/507—Organic silicon compounds without carbon-silicon bond
-
- 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
- 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
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
-
- 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
- D06M2200/30—Flame or heat resistance, fire retardancy properties
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses an easy-to-clean composite textile material and a preparation method thereof, and relates to the technical field of textile materials. The invention discloses an easy-to-clean composite textile material which is prepared from the following raw materials: the regenerated PET modified fiber, hydrophilic polylactic acid fiber and finishing liquid, wherein the hydrophilic polylactic acid fiber is prepared by modifying perfluoro octyl sulfonamide and tetraethoxysilane, and the finishing liquid consists of sulfosuccinate, EVA emulsion, diammonium hydrogen phosphate, magnesium aluminum silicate, polyethylene glycol, ethanol and the balance of water; the composite textile material is prepared by mixing the regenerated PET modified fiber and the hydrophilic polylactic acid fiber, then soaking the mixture in finishing liquid, and then carrying out melt spinning. The easy-to-clean composite textile material has excellent hydrophilic and easy-to-clean properties, high strength, excellent toughness and air permeability, wide raw material source, low cost, good spinning effect, reasonable utilization of recovered waste resources, environmental pollution reduction and achievement of the purposes of environmental protection and resource consumption reduction.
Description
Technical Field
The invention belongs to the technical field of textile materials, and particularly relates to an easy-to-clean composite textile material and a preparation method thereof.
Background
With the rapid development of textile industry in China, the problem of textile materials becomes a bottleneck for preventing the development of the textile materials. With the concept of recycling economy, energy conservation and environmental protection going deep into people's daily life, natural fibers have become a development trend, but the growth rate of natural fibers is far from keeping up with the development rate of textile industry, but textile materials on the market at present are mainly chemical fibers, but the production of chemical fibers presents staged and structural surplus productivity, and a large amount of production can bring about huge environmental pollution, which does not accord with the national conditions of sustainable development of China. In recent years, the development of the polyester industry in China is rapid, the productivity is more than 40% of the world proportion, but the high-efficiency utilization and recovery of polyester are far from those in foreign countries, and particularly the PET recovery and utilization ratio in China is low, and the environment-friendly concept is not compounded, so that the recovery of PET fibers changes waste into valuables, not only accords with the environment-friendly concept, but also plays a very important role in solving the problem of social resource shortage in China.
The source of the regenerated PET fiber raw material mainly comprises waste drinking water and beverage packaging bottles, films, clothes and non-woven fabrics, waste silk, waste blocks and the like generated in the production process of polyester and fiber, wherein the polyester bottle flakes are used as the main source. The regenerated PET fiber has special high molecular structure, low production cost, light weight, high strength, high modulus, no toxicity, high impact strength, acid resistance, oxidation resistance and other advantages, and has wide application range. The intrinsic viscosity of the existing PET product is generally not more than 0.7dL/g, and then the intrinsic viscosity of the PET product is reduced under the action of heat stress in the preparation process of the PET product, and in the recycling process, slow thermal degradation and hydrolysis can occur when the PET product is contacted with water, acid, alkali, alcohol and the like, so that the molecular weight and the intrinsic viscosity of the polyester are further reduced. Therefore, the regenerated PET fiber must be pretreated to meet the requirements of intrinsic viscosity, molecular weight, crystallinity and the like before spinning. The existing regenerated PET fiber has very low moisture regain, poor moisture absorption and quick drying properties, high fiber strength, small elongation at break, namely high rigidity and small elasticity, and has the defects of similar terylene, namely low moisture content, poor air permeability, poor dyeing property, easy pilling and fuzzing, easy contamination and the like.
With the improvement of the living standard of modern people, the requirements of people on textile products are higher and higher, and especially, the textile products are expected to be stain-proof and easy to clean, so that the difficulty of cleaning textiles by people is reduced. Therefore, developing an environment-friendly composite textile material that is easy to clean would be a primary research objective of the present invention.
Disclosure of Invention
The invention aims to provide an easy-to-clean composite textile material which has excellent hydrophilic easy-to-clean property, high strength, excellent toughness, air permeability and coloring effect, and good moisture absorption quick-drying property and elasticity; the textile material is made of the regenerated PET fiber and the environment-friendly material, has wide sources and low cost, has good spinning effect, reasonably utilizes the recycled waste resources, reduces environmental pollution, and achieves the purposes of environmental protection and resource consumption reduction.
In order to achieve the aim of the invention, the invention provides an easy-to-clean composite textile material, which is prepared from the following raw materials in parts by weight: 60-80 parts of regenerated PET modified fiber, 20-40 parts of hydrophilic polylactic acid fiber and finishing liquid, wherein the solid-liquid ratio is 1: (10-50).
The finishing liquid consists of sulfosuccinate, EVA emulsion, diammonium phosphate, magnesium aluminum silicate, polyethylene glycol, ethanol and the balance of water.
The preparation method of the composite textile material specifically comprises the following steps:
(1) Adding the regenerated PET modified fiber and the hydrophilic polylactic acid fiber into a high-speed mixer, and mixing for 1h at 50 ℃ to obtain the mixed fiber.
The regenerated PET modified fiber consists of surface modified regenerated PET fiber, pretreated volcanic rock particles, nano calcium carbonate, polyoxyethylene amide and vinyl trimethoxy silane.
The specific preparation method of the hydrophilic polylactic acid fiber comprises the following steps: adding perfluorooctyl sulfonamide and ethyl orthosilicate into absolute ethyl alcohol, and uniformly mixing to obtain a mixed solution; adding polylactic acid fiber into 1.0g/L cetyltrimethylammonium chloride solution, ultrasonically mixing for 10min, filtering, drying, adding into the mixed solution, stirring at 45-60 ℃ for 0.5-1h, filtering, and drying at 100 ℃ for 1-2h to prepare the hydrophilic polylactic acid fiber. The mass of the perfluoro octyl sulfonamide is 8.5-10.6% of the mass of the polylactic acid fiber, and the mass of the tetraethoxysilane is 2.5-4.5% of the mass of the polylactic acid fiber; the mass ratio of the polylactic acid fiber to the cetyl trimethyl ammonium chloride solution is 1: (3-5).
(2) And (3) placing the mixed fiber in finishing liquid, soaking for 8-15h at 60 ℃, taking out and airing after soaking, cleaning for three times by using deionized water, drying, introducing into a double-screw extruder, and carrying out melt spinning to obtain the composite textile fiber.
Further, the specific preparation method of the regenerated PET modified fiber comprises the following steps:
p1 adding 0.5g/L dodecylpyridine chloride solution into 0.4mol/L NaOH solution, stirring at 120-150r/min for 5-10min to obtain alkaline solution; immersing the regenerated PET fiber in the alkaline solution for 30min at 70-80 ℃, taking out and drying to obtain the regenerated PET fiber with the surface modified;
p2, selecting appropriate amount of volcanic rock, pulverizing, sieving with 100 mesh sieve to obtain volcanic rock particles, placing volcanic rock particles in 2mol/L dilute nitric acid solution, stirring for 10-20min, filtering, cleaning with deionized water, and drying at 100deg.C for 2 hr to obtain pretreated volcanic rock particles;
and P3, firstly stirring the pretreated volcanic rock particles, nano calcium carbonate and polyoxyethylene amide in a mixer for 30min, then adding the surface-modified regenerated PET fibers and vinyl trimethoxy silane, stirring at 50-60 ℃ for 30min, introducing into a double-screw extruder, and treating by a melt distributing pipe, a spinning box, a metering pump, a composite spinning assembly, a side blowing, bundling and oiling, winding and chemical fiber to obtain the regenerated PET modified fibers.
Further, in the preparation method of the regenerated PET modified fiber, the mass of the nano calcium carbonate is 10-15% of the mass of the pretreated volcanic rock particles, the mass of the polyoxyethylene amide is 5-8% of the mass of the pretreated volcanic rock particles, the mass of the pretreated volcanic rock particles is 8-12% of the mass of the surface modified regenerated PET fiber, and the mass of the vinyl trimethoxy silane is 0.5-0.8% of the mass of the surface modified regenerated PET fiber.
Further, in the preparation method of the regenerated PET modified fiber, the extrusion temperature of the twin-screw extruder in the P3 is 260-280 ℃.
Further, the finishing liquid consists of the following raw materials in percentage by mass: 1.2 to 1.8 percent of sulfosuccinate, 2.4 to 3.6 percent of EVA emulsion, 0.8 to 1.6 percent of diammonium hydrogen phosphate, 1.5 to 2.5 percent of magnesium aluminum silicate, 8 to 12 percent of polyethylene glycol, 20 to 30 percent of ethanol and the balance of water.
Further, in the step (2), the process parameters of the melt spinning are as follows: the spinning temperature is 240-265 ℃, the side blowing cooling air temperature is 25 ℃, the side blowing air speed is 1m/s, the spinning speed is 2500-3800m/min, and the draft ratio is 2.0-5.0.
The invention has the following beneficial effects:
1. the composite textile material is prepared from the regenerated PET modified fiber and the hydrophilic polylactic acid fiber, wherein the regenerated PET modified fiber is prepared by modifying the regenerated PET fiber, and the regenerated PET fiber is a resource for recycling waste polyester, so that waste is changed into valuable, the cost is saved, the environment is protected, the resource is saved, and the composite textile material has excellent performances of better strength, acid and alkali resistance, oxidation resistance and the like; the hydrophilic polylactic acid fiber is obtained by hydrophilic modification of the polylactic acid fiber, and the polylactic acid fiber is a biodegradable synthetic fiber, has good biocompatibility, strength and heat resistance, improves the compatibility among all components in the composite textile material, further improves the strength and heat resistance of the composite textile material, and increases the environmental degradation performance of the composite textile material.
2. According to the invention, the regenerated PET fiber is modified by the alkaline solution, and under the action of the alkaline solution and the cationic surfactant (dodecylpyridine chloride), the internal gaps and pits of the regenerated PET fiber are increased, the specific surface area of the regenerated PET fiber is increased, and the compatibility and adsorptivity between the regenerated PET fiber and other components are improved, so that the moisture absorption and quick drying performance of the composite textile fiber is improved; the concentration of the alkaline solution can also ensure that the strength of the regenerated PET fiber is reduced to the minimum, and the regenerated PET fiber still has good strength.
3. The pretreated volcanic rock is added into the regenerated PET modified fiber, so that the heat preservation and insulation performance, fire resistance and corrosion resistance of the composite textile material are improved, the strength of the regenerated PET modified fiber is further improved, the volcanic rock has a plurality of holes and light weight, the regenerated PET modified fiber has a very high specific surface area, and the air permeability of the composite textile material is increased; the nano calcium carbonate is added into the regenerated PET modified fiber, the surface of the nano calcium carbonate is oleophylic and hydrophobic, the compatibility among the components is improved, the toughness, the dimensional stability and the heat resistance of the composite textile fiber are improved, the spinning effect is improved, the reinforcing and toughening effects are achieved, the porosity of the regenerated PET modified fiber is reduced, and the composite PET modified fiber has excellent air permeability and excellent heat insulation effect.
4. According to the invention, in the modification process of the polylactic acid fiber, the perfluoro octyl sulfonamide and the ethyl orthosilicate are added, so that the hydrophilicity and strength of the polylactic acid fiber are improved, the compatibility between the polylactic acid fiber and other components is further improved under the action of the surfactant, and the toughness of the polylactic acid fiber is improved.
5. According to the finishing liquid disclosed by the invention, the magnesium aluminum silicate is added, and the finishing liquid has a compounding effect with the perfluoro octyl sulfonamide in the hydrophilic polylactic acid fiber, so that the hydrophilic capacity of the composite textile material is greatly improved, the composite textile material has excellent organic pollutant degradation performance, and pollutants are oxidized and degraded so as to be easy to be washed by water, and the washing difficulty of textiles is reduced. The mixed fiber is immersed in the finishing liquid, so that the mixed fiber is adhered with flame retardant, hydrophilic and other components, the compatibility between the mixed fiber and the polylactic acid fiber is increased, the spinning property of the regenerated PET fiber is improved, the flame retardant, ageing-resistant, light-resistant and hydrophilic properties are excellent, and the toughness and strength of the PET fiber are improved.
6. The raw materials used in the invention are wide in sources, environment-friendly and easy to degrade, and the composite textile material has excellent hydrophilic and easy-to-clean properties, flame retardance, hygroscopicity, toughness, air permeability, high strength, soft hand feeling, good dyeing property, and excellent ageing resistance, and can be used in the fields of medical treatment, clothing, daily necessities and the like.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The solid-liquid ratio in the invention refers to the ratio between the sum of the masses of the regenerated PET modified fiber and the hydrophilic polylactic acid fiber and the mass of the finishing liquid.
The following describes an easy-to-clean composite textile material and a method for preparing the same in connection with specific examples.
Example 1 an easy-to-clean composite textile Material
The preparation method of the easily-cleaned composite textile material comprises the following steps: adding 60 parts of regenerated PET modified fibers and 40 parts of hydrophilic polylactic acid fibers into a high-speed mixer, and mixing for 1h at 50 ℃ to obtain mixed fibers; immersing the mixed fiber in 5000 parts of finishing liquid for 15 hours at 60 ℃, taking out and airing after immersing, cleaning for three times by deionized water, drying, introducing into a double-screw extruder, carrying out melt spinning at 240 ℃, carrying out side blowing cooling air temperature at 25 ℃, carrying out side blowing air speed at 1m/s, carrying out spinning speed at 3800m/min, and carrying out drafting multiplying power at 2.0, thereby obtaining the composite textile fiber.
The specific preparation method of the hydrophilic polylactic acid fiber comprises the following steps: 106g of perfluorooctyl sulfonamide and 45g of ethyl orthosilicate are added into absolute ethyl alcohol to be uniformly mixed, so as to obtain a mixed solution; adding 1000g of polylactic acid fiber into 5000g of 1.0g/L cetyltrimethylammonium chloride solution, ultrasonically mixing for 10min, filtering, drying, adding into the mixed solution, stirring at 45 ℃ for 1h, filtering, and drying at 100 ℃ for 1-2h to prepare the hydrophilic polylactic acid fiber.
The specific preparation method of the regenerated PET modified fiber comprises the following steps:
p1. adding 0.5g/L of 1L of dodecylpyridine chloride solution into 0.4mol/L of 1L of NaOH solution, and stirring at a rotating speed of 120-150r/min for 5-10min to obtain alkaline solution. Immersing the regenerated PET fiber (commercially available) in alkaline solution for 30min at 70-80 ℃, taking out and drying to obtain the surface modified regenerated PET fiber.
P2, selecting appropriate amount of volcanic rock, pulverizing, sieving with 100 mesh sieve to obtain volcanic rock particles, placing volcanic rock particles in 2mol/L dilute nitric acid solution, stirring for 10-20min, filtering, cleaning with deionized water, and drying at 100deg.C for 2 hr to obtain pretreated volcanic rock particles;
and P3, firstly stirring 120g of pretreated volcanic rock particles, 18g of nano calcium carbonate and 9.6g of polyoxyethylene amide in a mixer for 30min, then adding 1kg of surface modified regenerated PET fibers and 5g of vinyl trimethoxy silane, stirring for 30min at 50-60 ℃, introducing into a double screw extruder, extruding at 260-280 ℃, and preparing the regenerated PET modified fibers through melt distribution pipes, spinning beams, metering pumps, composite spinning components, cross-blowing, bundling and oiling, winding and chemical fiber treatment.
The finishing liquid consists of 1.2% of sulfosuccinate, 3.6% of EVA emulsion, 1.6% of diammonium phosphate, 1.5% of magnesium aluminum silicate, 12% of polyethylene glycol, 20% of ethanol and the balance of water.
Example 2 an easy-to-clean composite textile Material
The preparation method of the easily-cleaned composite textile material comprises the following steps: adding 80 parts of regenerated PET modified fiber and 20 parts of hydrophilic polylactic acid fiber into a high-speed mixer, and mixing for 1h at 50 ℃ to obtain mixed fiber; and (3) immersing the mixed fiber in 1000 parts of finishing liquid for 8 hours at 60 ℃, taking out the immersed mixed fiber for airing, cleaning the immersed mixed fiber with deionized water for three times, drying the immersed mixed fiber, introducing the dried mixed fiber into a double-screw extruder, carrying out melt spinning at 265 ℃, carrying out side air cooling at 25 ℃, carrying out side air blowing at 1m/s, carrying out spinning at 2500m/min, and carrying out drafting multiplying power of 5.0, thereby obtaining the composite textile fiber.
The specific preparation method of the hydrophilic polylactic acid fiber comprises the following steps: 85g of perfluoro octyl sulfonamide and 25g of ethyl orthosilicate are added into absolute ethyl alcohol to be uniformly mixed, so as to obtain a mixed solution; adding 1000g of polylactic acid fiber into 3000g of 1.0g/L cetyltrimethylammonium chloride solution, ultrasonically mixing for 10min, filtering, drying, adding into the mixed solution, stirring at 45 ℃ for 1h, filtering, and drying at 100 ℃ for 1-2h to prepare the hydrophilic polylactic acid fiber.
The specific preparation method of the regenerated PET modified fiber comprises the following steps:
p1. a surface-modified recycled PET fiber was prepared in the same manner as in example 1, with specific reference to example 1.
P2. pretreated volcanic rock particles were prepared in the same manner as in example 1, with specific reference to example 1.
And P3, firstly stirring 80g of pretreated volcanic rock particles, 8g of nano calcium carbonate and 4g of polyoxyethylene amide in a mixer for 30min, then adding 1kg of surface modified regenerated PET fibers and 8g of vinyl trimethoxy silane, stirring for 30min at 50-60 ℃, introducing into a double screw extruder, extruding at 260-280 ℃, and treating by using a melt distributing pipe, a spinning box, a metering pump, a composite spinning component, a side blowing, bundling and oiling, winding and chemical fiber to obtain the regenerated PET modified fibers.
The finishing liquid consists of 1.8% of sulfosuccinate, 2.4% of EVA emulsion, 0.8% of diammonium hydrogen phosphate, 2.5% of magnesium aluminum silicate, 8% of polyethylene glycol, 30% of ethanol and the balance of water.
Example 3 an easy-to-clean composite textile Material
The preparation method of the easily-cleaned composite textile material comprises the following steps: adding 70 parts of regenerated PET modified fiber and 30 parts of hydrophilic polylactic acid fiber into a high-speed mixer, and mixing for 1h at 50 ℃ to obtain mixed fiber; and (3) immersing the mixed fiber in 2700 parts of finishing liquid for 12 hours at 60 ℃, taking out and airing the immersed mixed fiber, cleaning the immersed mixed fiber with deionized water for three times, drying the immersed mixed fiber, introducing the dried mixed fiber into a double-screw extruder, and carrying out melt spinning at 255 ℃, wherein the side-blowing cooling air temperature is 25 ℃, the side-blowing air speed is 1m/s, the spinning speed is 3200m/min, and the draft ratio is 3.6, so that the composite textile fiber is prepared.
The specific preparation method of the hydrophilic polylactic acid fiber comprises the following steps: adding 92g of perfluorooctyl sulfonamide and 30g of ethyl orthosilicate into absolute ethyl alcohol, and uniformly mixing to obtain a mixed solution; adding 1000g of polylactic acid fiber into 4000g of 1.0g/L cetyltrimethylammonium chloride solution, carrying out ultrasonic mixing for 10min, filtering, drying, adding into the mixed solution, stirring at 60 ℃ for 0.5h, filtering, and drying at 100 ℃ for 1-2h to prepare the hydrophilic polylactic acid fiber.
The specific preparation method of the regenerated PET modified fiber comprises the following steps:
p1. a surface-modified recycled PET fiber was prepared in the same manner as in example 1, with specific reference to example 1.
P2. pretreated volcanic rock particles were prepared in the same manner as in example 1, with specific reference to example 1.
And P3, firstly stirring 100g of pretreated volcanic rock particles, 12g of nano calcium carbonate and 6g of polyoxyethylene amide in a mixer for 30min, then adding 1kg of surface modified regenerated PET fibers and 6.4g of vinyl trimethoxy silane, stirring for 30min at 50-60 ℃, introducing into a double screw extruder, extruding at 260-280 ℃, and preparing the regenerated PET modified fibers after melt distributing pipes, spinning beams, metering pumps, composite spinning components, cross blowing, bundling and oiling, winding and chemical fiber treatment.
The finishing liquid consists of 1.6% of sulfosuccinate, 2.9% of EVA emulsion, 1.2% of diammonium phosphate, 1.8% of magnesium aluminum silicate, 10% of polyethylene glycol, 25% of ethanol and the balance of water.
Example 4 an easy-to-clean composite textile Material
The preparation method of the easily-cleaned composite textile material comprises the following steps: adding 72 parts of regenerated PET modified fibers and 28 parts of hydrophilic polylactic acid fibers into a high-speed mixer, and mixing for 1h at 50 ℃ to obtain mixed fibers; and (3) immersing the mixed fiber in 3200 parts of finishing liquid for 12 hours at 60 ℃, taking out the immersed mixed fiber for airing, cleaning the immersed mixed fiber with deionized water for three times, drying the immersed mixed fiber, introducing the dried mixed fiber into a double-screw extruder, and carrying out melt spinning at the spinning temperature of 250 ℃, the side-blowing cooling air temperature of 25 ℃, the side-blowing air speed of 1m/s, the spinning speed of 3500m/min and the draft ratio of 4.2 to obtain the composite textile fiber.
The specific preparation method of the hydrophilic polylactic acid fiber comprises the following steps: adding 95g of perfluorooctyl sulfonamide and 36g of tetraethoxysilane into absolute ethyl alcohol, and uniformly mixing to obtain a mixed solution; adding 1000g of polylactic acid fiber into 3600g of 1.0g/L cetyltrimethylammonium chloride solution, ultrasonically mixing for 10min, filtering, drying, adding into the mixed solution, stirring at 60 ℃ for 1h, filtering, and drying at 100 ℃ for 1-2h to prepare the hydrophilic polylactic acid fiber.
The specific preparation method of the regenerated PET modified fiber comprises the following steps:
p1. a surface-modified recycled PET fiber was prepared in the same manner as in example 1, with specific reference to example 1.
P2. pretreated volcanic rock particles were prepared in the same manner as in example 1, with specific reference to example 1.
And P3, firstly stirring 110g of pretreated volcanic rock particles, 14.3g of nano calcium carbonate and 7.7g of polyoxyethylene amide in a mixer for 30min, then adding 1kg of surface modified regenerated PET fibers and 5.8g of vinyl trimethoxy silane, stirring for 30min at 50-60 ℃, introducing into a double screw extruder, extruding at 260-280 ℃, and processing by using a melt distributing pipe, a spinning box, a metering pump, a composite spinning assembly, a side blowing, bundling, oiling, winding and chemical fiber to obtain the regenerated PET modified fibers.
The finishing liquid consists of 1.5% of sulfosuccinate, 3.2% of EVA emulsion, 1.1% of diammonium phosphate, 2.2% of magnesium aluminum silicate, 9.5% of polyethylene glycol, 24% of ethanol and the balance of water.
Comparative example 1
The raw material composition and the preparation method of the easily washable composite textile material in this comparative example were the same as those in example 4, except that the hydrophilic polylactic acid fiber was not used in this comparative example 1, but the unmodified polylactic acid fiber, and the other components and the operation steps were unchanged.
Comparative example 2
The raw material composition and the preparation method of the easily washable composite textile material in this comparative example were the same as those in example 4, except that aluminum silico-magnesium oxide was not added in this comparative example 2, and the other components and the operation steps were unchanged.
The easy-to-clean composite textile materials prepared according to examples 1-4 and comparative examples 1-2 above were subjected to mechanical property tests, the test results of which are shown in table 1 below.
Table 1 results of mechanical test of easy-to-clean composite textile Material
As can be seen from the mechanical property detection results in Table 1, the easy-to-clean composite textile material has good breaking strength and elongation at break, and has high initial modulus, namely, the textile material prepared from the textile material has soft hand feeling and is not easy to deform. According to the invention, the polylactic acid fiber is subjected to hydrophilic modification, so that the breaking strength and the elongation of the composite textile material are improved, and the composite textile material has good hand feeling and elasticity and good strength. According to the invention, the strength of the composite textile material is improved by adding the aluminum silicate magnesium acid.
The environment-friendly composite textile materials prepared in the examples 1-4 and the comparative examples 1-2 are woven into fiber fabrics on a weft knitting circular knitting machine, the weave structure of the fiber fabrics is weft flat weave, namely the fiber fabrics are manufactured by adopting the same weaving process, weave structure and post-finishing technology, and the density of the fiber fabrics is as follows: the transverse density/5 cm was 55, and the longitudinal density/5 cm was 65. The fabrics manufactured in examples 1 to 5 and comparative examples 1 to 3 were subjected to performance tests of water absorption, air permeability, and easy cleaning property, and the test results are shown in table 2.
Water absorption: and placing the sample in deionized water for soaking for 5min, taking out and suspending until the time interval between two drops is not less than 30s, and calculating the water absorption.
Wherein A is water absorption,%; m is the mass of the sample after no water drops are generated, and g; m is M 0 G is the initial mass of the sample.
Air permeability test: the detection was carried out using the provisions of GB/T5435-1997 test for air permeability of fabrics.
Easy cleaning test: the fiber fabric was coated with lipstick and added to an aqueous solution of a soap detergent, and the stain removal time was measured by stirring.
Table 2 results of performance testing of fibrous webs
| Air permeability (mm/s) | Water absorption (%) | Contact angle of water | Stain removal time | |
| Example 1 | 3700 | 303.6 | 79° | 17s |
| Example 2 | 3580 | 314.5 | 74° | 13s |
| Example 3 | 3590 | 327.8 | 66° | 15s |
| Example 4 | 3620 | 342.5 | 65° | 12s |
| Comparative example 1 | 3130 | 232.1 | 101° | 2min |
| Comparative example 2 | 3570 | 243.6 | 92° | 90s |
From the performance test results of table 2, it can be seen that the easy-to-clean composite textile material of the present invention has excellent air permeability, water absorption and easy-to-clean properties. According to the invention, the polylactic acid fiber is subjected to hydrophilic modification, so that the air permeability, the water absorption rate and the easy cleaning property of the fabric are greatly improved; according to the invention, through adding aluminum silicate magnesium, the air permeability, the water absorption and the easy cleaning property of the fabric are improved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (5)
1. The easy-to-clean composite textile material is characterized by being prepared from the following raw materials in parts by weight: 60-80 parts of regenerated PET modified fiber, 20-40 parts of hydrophilic polylactic acid fiber and finishing liquid, wherein the solid-liquid ratio is 1: (10-50);
the finishing liquid consists of sulfosuccinate, EVA emulsion, diammonium phosphate, magnesium aluminum silicate, polyethylene glycol, ethanol and the balance of water;
the preparation method of the composite textile material specifically comprises the following steps:
(1) Adding the regenerated PET modified fiber and the hydrophilic polylactic acid fiber into a high-speed mixer, and mixing for 1h at 50 ℃ to obtain mixed fibers;
the preparation method of the regenerated PET modified fiber comprises the following steps:
p1 adding 0.5g/L dodecylpyridine chloride solution into 0.4mol/L NaOH solution, stirring at 120-150r/min for 5-10min to obtain alkaline solution; immersing the regenerated PET fiber in the alkaline solution for 30min at 70-80 ℃, taking out and drying to obtain the regenerated PET fiber with the surface modified;
p2, selecting appropriate amount of volcanic rock, pulverizing, sieving with 100 mesh sieve to obtain volcanic rock particles, placing volcanic rock particles in 2mol/L dilute nitric acid solution, stirring for 10-20min, filtering, cleaning with deionized water, and drying at 100deg.C for 2 hr to obtain pretreated volcanic rock particles;
p3, firstly stirring the pretreated volcanic rock particles, nano calcium carbonate and polyoxyethylene amide in a mixer for 30min, then adding the surface-modified regenerated PET fibers and vinyl trimethoxy silane, stirring at 50-60 ℃ for 30min, introducing into a double-screw extruder, and preparing the regenerated PET modified fibers after melt distribution pipes, spinning boxes, metering pumps, composite spinning components, side blowing, bundling and oiling, winding and chemical fiber treatment;
the specific preparation method of the hydrophilic polylactic acid fiber comprises the following steps: adding perfluorooctyl sulfonamide and ethyl orthosilicate into absolute ethyl alcohol, and uniformly mixing to obtain a mixed solution; adding polylactic acid fibers into 1.0g/L cetyltrimethylammonium chloride solution, ultrasonically mixing for 10min, filtering, drying, adding into the mixed solution, stirring at 45-60 ℃ for 0.5-1h, filtering, and drying at 100 ℃ for 1-2h to prepare hydrophilic polylactic acid fibers; the mass of the perfluoro octyl sulfonamide is 8.5-10.6% of the mass of the polylactic acid fiber, and the mass of the tetraethoxysilane is 2.5-4.5% of the mass of the polylactic acid fiber; the mass ratio of the polylactic acid fiber to the cetyl trimethyl ammonium chloride solution is 1: (3-5);
(2) And (3) placing the mixed fiber in finishing liquid, soaking for 8-15h at 60 ℃, taking out and airing after soaking, cleaning for three times by using deionized water, drying, introducing into a double-screw extruder, and carrying out melt spinning to obtain the composite textile fiber.
2. The easy-to-clean composite textile material according to claim 1, wherein in the preparation method of the regenerated PET modified fiber, the mass of the nano calcium carbonate is 10-15% of the mass of the pretreated volcanic rock particles, the mass of the polyoxyethylene amide is 5-8% of the mass of the pretreated volcanic rock particles, the mass of the pretreated volcanic rock particles is 8-12% of the mass of the surface modified regenerated PET fiber, and the mass of the vinyl trimethoxysilane is 0.5-0.8% of the mass of the surface modified regenerated PET fiber.
3. The easy-to-clean composite textile material according to claim 1, wherein in the process for producing the recycled PET-modified fiber, the extrusion temperature of the twin-screw extruder in P3 is 260 to 280 ℃.
4. The easy-to-clean composite textile material according to claim 1, wherein the finishing liquid is composed of the following raw materials in percentage by mass: 1.2 to 1.8 percent of sulfosuccinate, 2.4 to 3.6 percent of EVA emulsion, 0.8 to 1.6 percent of diammonium hydrogen phosphate, 1.5 to 2.5 percent of magnesium aluminum silicate, 8 to 12 percent of polyethylene glycol, 20 to 30 percent of ethanol and the balance of water.
5. The easy-to-clean composite textile material according to claim 1, wherein in the step (2), the process parameters of the melt spinning are: the spinning temperature is 240-265 ℃, the side blowing cooling air temperature is 25 ℃, the side blowing air speed is 1m/s, the spinning speed is 2500-3800m/min, and the draft ratio is 2.0-5.0.
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