CN111636202A - Preparation method of high-water-absorption aromatic polyester fabric - Google Patents
Preparation method of high-water-absorption aromatic polyester fabric Download PDFInfo
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- CN111636202A CN111636202A CN202010601218.8A CN202010601218A CN111636202A CN 111636202 A CN111636202 A CN 111636202A CN 202010601218 A CN202010601218 A CN 202010601218A CN 111636202 A CN111636202 A CN 111636202A
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- Prior art keywords
- polyester fabric
- aromatic
- water
- solution
- fabric
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- 239000004744 fabric Substances 0.000 title claims abstract description 205
- 229920000728 polyester Polymers 0.000 title claims abstract description 162
- 125000003118 aryl group Chemical group 0.000 title claims abstract description 128
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 239000011248 coating agent Substances 0.000 claims abstract description 70
- 238000005406 washing Methods 0.000 claims abstract description 63
- 238000001035 drying Methods 0.000 claims abstract description 61
- 239000002245 particle Substances 0.000 claims abstract description 59
- 239000000022 bacteriostatic agent Substances 0.000 claims abstract description 48
- 230000004044 response Effects 0.000 claims abstract description 42
- 238000000576 coating method Methods 0.000 claims abstract description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 36
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000002791 soaking Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 19
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 239000000243 solution Substances 0.000 claims description 93
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 89
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 87
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 54
- 238000003756 stirring Methods 0.000 claims description 52
- 239000008367 deionised water Substances 0.000 claims description 50
- 229910021641 deionized water Inorganic materials 0.000 claims description 50
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 48
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 42
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims description 36
- 239000000341 volatile oil Substances 0.000 claims description 30
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 28
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 claims description 27
- 235000004279 alanine Nutrition 0.000 claims description 27
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- 239000008055 phosphate buffer solution Substances 0.000 claims description 24
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 claims description 22
- 241000220317 Rosa Species 0.000 claims description 21
- 235000019441 ethanol Nutrition 0.000 claims description 21
- 239000011259 mixed solution Substances 0.000 claims description 21
- -1 octadecyl dimethyl tertiary amine Chemical class 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 19
- 239000002243 precursor Substances 0.000 claims description 19
- 239000011837 N,N-methylenebisacrylamide Substances 0.000 claims description 17
- 239000000839 emulsion Substances 0.000 claims description 17
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 17
- 229920000058 polyacrylate Polymers 0.000 claims description 17
- OXYZDRAJMHGSMW-UHFFFAOYSA-N 3-chloropropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCCl OXYZDRAJMHGSMW-UHFFFAOYSA-N 0.000 claims description 16
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 14
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 239000001103 potassium chloride Substances 0.000 claims description 14
- 235000011164 potassium chloride Nutrition 0.000 claims description 14
- 238000011068 loading method Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 8
- 230000001678 irradiating effect Effects 0.000 claims description 8
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 8
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- 244000248349 Citrus limon Species 0.000 claims description 4
- 235000005979 Citrus limon Nutrition 0.000 claims description 4
- 235000006679 Mentha X verticillata Nutrition 0.000 claims description 2
- 235000002899 Mentha suaveolens Nutrition 0.000 claims description 2
- 235000001636 Mentha x rotundifolia Nutrition 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 241001252601 Blumea Species 0.000 claims 1
- 229920004934 Dacron® Polymers 0.000 claims 1
- 239000003205 fragrance Substances 0.000 abstract description 21
- 230000004048 modification Effects 0.000 abstract description 11
- 238000012986 modification Methods 0.000 abstract description 11
- 230000008859 change Effects 0.000 abstract description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 abstract 1
- 239000001099 ammonium carbonate Substances 0.000 abstract 1
- 235000012501 ammonium carbonate Nutrition 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 210000004243 sweat Anatomy 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 16
- 230000000475 sunscreen effect Effects 0.000 description 12
- 239000000516 sunscreening agent Substances 0.000 description 12
- 239000011148 porous material Substances 0.000 description 9
- 229920004933 Terylene® Polymers 0.000 description 7
- 238000013268 sustained release Methods 0.000 description 7
- 239000012730 sustained-release form Substances 0.000 description 7
- 230000002378 acidificating effect Effects 0.000 description 6
- QMVPMAAFGQKVCJ-UHFFFAOYSA-N citronellol Chemical compound OCCC(C)CCC=C(C)C QMVPMAAFGQKVCJ-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- QMVPMAAFGQKVCJ-SNVBAGLBSA-N (R)-(+)-citronellol Natural products OCC[C@H](C)CCC=C(C)C QMVPMAAFGQKVCJ-SNVBAGLBSA-N 0.000 description 3
- JGQFVRIQXUFPAH-UHFFFAOYSA-N beta-citronellol Natural products OCCC(C)CCCC(C)=C JGQFVRIQXUFPAH-UHFFFAOYSA-N 0.000 description 3
- 235000000484 citronellol Nutrition 0.000 description 3
- 239000003094 microcapsule Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 235000001014 amino acid Nutrition 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical group 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 235000009051 Ambrosia paniculata var. peruviana Nutrition 0.000 description 1
- 235000003097 Artemisia absinthium Nutrition 0.000 description 1
- 240000001851 Artemisia dracunculus Species 0.000 description 1
- 235000017731 Artemisia dracunculus ssp. dracunculus Nutrition 0.000 description 1
- 235000003261 Artemisia vulgaris Nutrition 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000001138 artemisia absinthium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005956 quaternization reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/18—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation
- D06M14/26—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin
- D06M14/30—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M14/32—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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—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 carbon or compounds thereof
- D06M11/76—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 carbon or compounds thereof with carbon oxides or carbonates
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/02—Processes in which the treating agent is releasably affixed or incorporated into a dispensing means
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a preparation method of a high-water-absorption aromatic polyester fabric, which comprises the following steps: (1) preparing a modified solution containing acrylic acid, N-methylene-bisacrylamide and ammonium persulfate; (2) washing and drying the polyester fabric, and then placing the polyester fabric under an ultraviolet lamp for irradiation; (3) dipping the irradiated fabric in a modified solution and introducing nitrogen; (4) placing the impregnated fabric under an ultraviolet lamp for irradiation reaction; (5) treating the reacted fabric with water and sodium hydroxide solution; (6) coating the modified fabric with a coating agent containing pH-responsive aromatic slow-release particles; (7) and soaking the coated fabric in an ammonium carbonate solution, washing with water and drying. According to the invention, the polyester fabric is subjected to water absorption modification, the pH response aromatic slow-release particles are arranged in the polyester fabric subjected to water absorption modification, and the release of the aromatic bacteriostatic agent is controlled through the change of pH by utilizing the high water absorption of the modified polyester fabric, so that the fragrance release durability is improved.
Description
Technical Field
The invention relates to the technical field of functional fabrics, in particular to a preparation method of a high-water-absorptivity aromatic polyester fabric.
Background
Polyester is a synthetic fiber obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol, has light weight, good corrosion resistance, good mechanical property and chemical stability, and good crease elasticity and stiffness, and is widely used as textile fabrics. However, because only two hydroxyl groups are arranged at two ends of the polyester macromolecules, the polyester fabric is hydrophobic, does not absorb moisture and conduct moisture, and is poor in wearing comfort.
In order to prolong the fragrance releasing time of the fragrant fabric in the prior art, the fragrance is generally coated in the microcapsule and is finished on the fabric, and the volatilization of the fragrance is protected by the microcapsule, so that the fragrance has a slow release effect, and the fragrance releasing durability of the fabric is prolonged. However, the method of prolonging the fragrance release durability of the fragrance in the fabric by the microcapsule is difficult to control and regulate the release of the fragrance, the fragrance is continuously volatilized even if the clothes are not put on, the fragrance is lost, and the effect of prolonging the fragrance retention time is still limited.
Disclosure of Invention
The invention provides a preparation method of a high-water-absorption aromatic polyester fabric, aiming at overcoming the problems of poor moisture absorption of the polyester fabric, poor wearing comfort, more volatilization loss of an aromatic agent in the aromatic fabric and pending improvement of fragrance release durability in the prior art, the invention polymerizes a water absorption layer with a three-dimensional net structure on the surface of the polyester fabric, so that the polyester fabric has good moisture absorption performance, and loads a fragrant bacteriostatic agent in pH response fragrant slow-release particles and arranges the fragrant bacteriostatic agent on the polyester fabric after water absorption modification, and the release of the fragrant bacteriostatic agent is controlled by the change of pH by utilizing the high water absorption of the modified polyester fabric, thereby avoiding the volatilization loss of the fragrant bacteriostatic agent when clothes are not worn, and improving the fragrance release durability of the polyester fabric.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a high-water-absorption aromatic polyester fabric comprises the following steps:
(1) dissolving acrylic acid and N, N-methylene bisacrylamide in water, adding ammonium persulfate, and uniformly stirring to obtain a modified solution;
(2) washing and drying the polyester fabric, and then irradiating for 20-30 min under an ultraviolet lamp;
(3) soaking the irradiated polyester fabric in a modified solution, and introducing nitrogen for 10-20 min;
(4) taking the polyester fabric out of the modified solution, and placing the polyester fabric under an ultraviolet lamp for irradiation reaction for 20-30 min;
(5) placing the polyester fabric after the irradiation reaction in water, boiling for 1-2 h, then placing in a sodium hydroxide solution, soaking for 20-30 min, washing with water and drying to obtain a water-absorbing modified polyester fabric;
(6) dispersing the pH response aromatic slow-release particles in polyacrylate emulsion to obtain a coating agent, coating the water absorption modified polyester fabric with the coating agent, and drying to obtain the polyester fabric with the sun-proof coating;
(7) putting the polyester fabric with the sun-proof coating in 0.5-1.5 g/L of Na2CO3And soaking the fabric in the solution for 1-2 min, and then washing and drying the fabric to obtain the high-water-absorptivity aromatic polyester fabric.
Preferably, in the modifying solution in the step (1), the mass fraction of acrylic acid is 6-10%, the mass fraction of N, N-methylene bisacrylamide is 2-6 per mill, and the mass fraction of ammonium persulfate is 1-3%.
Preferably, the power of the ultraviolet lamp in the steps (2) and (4) is 400-1000W, and the irradiation distance is 10-15 cm.
Preferably, the concentration of the sodium hydroxide solution in the step (5) is 0.02-0.05 mol/L.
Preferably, the method for preparing the pH-responsive aromatic sustained-release particles described in the step (6) comprises the steps of:
(a) dissolving hexadecylamine in absolute ethyl alcohol at the temperature of 25-30 ℃, adding 0.1-0.2 mol/L potassium chloride solution and deionized water, and uniformly stirring to obtain a guiding agent solution;
(b) dropwise adding isopropanol into the guiding agent solution under stirringTitanium is kept stand for 15-24 h and then centrifuged, and the product is washed by ethanol and dried to obtain TiO2The molar ratio of the added titanium isopropoxide to the hexadecylamine in the guiding agent solution is 1: (0.1 to 0.5);
(c) adding TiO into the mixture2Dispersing the precursor in a mixed solution of ammonia water, absolute ethyl alcohol and deionized water, reacting at 150-180 ℃ for 12-24 h, centrifuging, washing the product with ethanol, drying, and roasting at 500-510 ℃ for 2-3 h to obtain mesoporous TiO2；
(d) Downward mesoporous TiO under the protection of nitrogen2Adding toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane, stirring at 80-120 ℃ and reacting for 20-30 h to obtain surface-modified mesoporous TiO2Mesoporous TiO2The mass volume ratio of the mixture to toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane is 1 g: (20-30 mL): (20-30 mL): (400-600 mL);
(e) adding alanine into phosphate buffer solution with pH of 7.0, stirring uniformly, and adding surface modified mesoporous TiO2Oscillating and reacting for 20-30 h at 50-60 ℃, filtering, washing the product with ethanol, and drying in vacuum to obtain alanine-modified mesoporous TiO2Wherein the concentration of alanine in phosphate buffer solution is 2-4 mg/mL, and surface modified mesoporous TiO is added2The mass volume ratio of the phosphate buffer solution to the phosphate buffer solution is 1 g: (100-200 mL);
(f) alanine modified mesoporous TiO2Dispersing in an aromatic bacteriostatic agent, stirring at room temperature for reaction for 8-12 h, filtering, and washing with deionized water to obtain the aromatic bacteriostatic agent-loaded mesoporous TiO2；
(g) Loading mesoporous TiO with aromatic bacteriostat2Dispersing in N, N-dimethylformamide, stirring for 30-40 min, adding octadecyl dimethyl tertiary amine and potassium iodide under the protection of nitrogen, stirring at 40-60 ℃ for reaction for 24-36 h, filtering, washing the product with N, N-dimethylformamide, and drying in vacuum to obtain the pH response aromatic slow-release particles.
Preferably, the mass-to-volume ratio of the hexadecylamine to the added absolute ethyl alcohol, the potassium chloride solution and the deionized water in the step (a) is 1 g: (80-120 mL): (0.3-0.5 mL): (1-2 mL).
Preferably, the concentration of ammonia water in the mixed solution in the step (c) is 0.1-0.2 mol/L, and the volume ratio of the absolute ethyl alcohol to the deionized water is (1-2): 1; TiO 22The mass volume ratio of the precursor to the mixed solution is 1 g: (18-22 mL).
Preferably, the aromatic bacteriostatic agent in the step (f) is one or more of rose essential oil, lemon essential oil, mint essential oil and argy wormwood oil, and the alanine-modified mesoporous TiO is2The mass volume ratio of the aromatic bacteriostatic agent to the aromatic bacteriostatic agent is 1 g: (20-50 mL).
Preferably, the mesoporous TiO loaded with the aromatic bacteriostatic agent in the step (g)2The mass-to-volume ratio of N, N-dimethylformamide is 1 g: (200-400 mL) of mesoporous TiO loaded with aromatic bacteriostatic agent2The mass ratio of the organic solvent to the octadecyl dimethyl tertiary amine and the potassium iodide is 5: (9-11): (0.1-0.5).
Preferably, the coating agent in the step (6) contains 10-30% of pH response aromatic slow-release particles by mass, and is coated by 1-2 coating agents, wherein the coating amount of the pH response aromatic slow-release particles in each coating is 1-3% of the weight of the polyester fabric.
The polyester fabric is pre-irradiated under an ultraviolet lamp, molecular chains on the surface of the polyester fabric are cracked under the ultraviolet irradiation, oxygen molecules in the air are converted into ozone and active oxygen, the surface of the polyester fabric is promoted to be oxidized, and therefore abundant polar groups such as hydroxyl groups are introduced to the surface of the polyester fabric, and the hydrophilicity of the polyester fabric is preliminarily improved. And then, soaking the polyester fabric subjected to pre-irradiation in a modification solution, then placing the polyester fabric under an ultraviolet lamp for irradiation, so that a hydrophilic acrylic monomer and an N, N-methylene bisacrylamide crosslinking agent in the modification solution are subjected to crosslinking polymerization under the initiation of an initiator ammonium persulfate and ultraviolet light to form a three-dimensional network structure on the surface of the polyester fabric, and after the polyester fabric is treated by boiling water and a sodium hydroxide solution, unreacted monomers, homopolymers and other impurities are removed, so that the polyester fabric subjected to water absorption modification is obtained, and due to the hydrophilicity of the crosslinked copolymer and the capillary action of the three-dimensional network structure, the modified polyester fabric obtains good water absorption performance.
Then, the invention coats a coating containing pH response aromatic slow release particles on the surface of the polyester fabric after water absorption modification, so that the polyester fabric obtains aromatic slow release performance. In the preparation process of the pH response aromatic slow-release particles, mesoporous TiO is prepared firstly2，TiO2Is a common ultraviolet resistant agent in the fabric, can effectively absorb and reflect ultraviolet rays, and leads the fabric to have the sun-proof function, and the TiO with the mesoporous structure is prepared in the invention2Making TiO into2The fabric has a sun-screening function and good adsorption performance, so that the aromatic bacteriostatic agent can be loaded in the pore channels, and the fabric has aromatic slow-release performance. The invention also relates to mesoporous TiO2Alanine and long carbon chain quaternary ammonium salt are modified on the surface, and as the quaternary ammonium group in the long carbon chain quaternary ammonium salt is positively charged and the isoelectric point of the alanine is 6.02, the alanine is negatively charged under neutral and alkaline conditions and is attracted with the quaternary ammonium salt group, and the long carbon chain covers the mesoporous TiO under the attraction action2The pore structure is closed, and the aromatic bacteriostatic agent loaded in the pore cannot be released; under the acidic condition that the pH value is less than 6.02, alanine is positively charged and is repelled with quaternary ammonium salt groups, and long carbon chains leave the mesoporous TiO under the repelling action2The surface is unfolded, the pore structure is opened, and the aromatic bacteriostatic agent loaded in the pore can be released. Due to mesoporous TiO2The closing and opening of the pore structure can be controlled along with the change of pH, so that the release of the loaded aromatic bacteriostatic agent can also be controlled by the external pH.
In the preparation process, firstly, the mesoporous TiO is prepared by the steps (a) to (c) and the hexadecylamine is used as a guiding agent2Then, through the step (d), gamma-chloropropyltrimethoxysilane and 3-glycidoxypropyltriethoxysilane are utilized to prepare the mesoporous TiO2Modifying the surface with chloropropyl and epoxy; then, through the step (e), the epoxy group is utilized to open loop and graft alanine on the mesoporous TiO2Introducing alanine on the surface; then loading the aromatic bacteriostatic agent in the mesoporous TiO through the step (f)2In the duct of (2); finally, the step (g) of utilizing the mesoporous TiO under the reaction condition of neutral condition2The surface gamma-chloropropyltrimethoxysilane and octadecyl dimethyl tertiary amine are subjected to quaternization reaction, and long carbon chain quaternary ammonium salt is introduced into the mesoporous TiO2And (3) sealing the pore channel on the surface.
The sweat of a human body is generally weakly acidic, the pH value is about 5.5, when the pH response aromatic slow-release particles are loaded on the polyester fabric and worn on the human body, when the human body generates sweat, the sweat can be quickly absorbed due to good hygroscopicity of the polyester fabric after water absorption modification, so that the pH response aromatic slow-release particles are under an acidic condition, the pore structure is opened, the aromatic bacteriostatic agent loaded in the pH response aromatic slow-release particles can be slowly released to kill bacteria on the skin, the phenomenon that the bacteria decompose organic matters in the sweat to generate peculiar smell is avoided, meanwhile, the peculiar smell can be covered by the fragrance of the aromatic bacteriostatic agent, and the deodorization effect is achieved. After the fabric stained with sweat is cleaned, under the washing action of neutral water, the pore structure in the pH response aromatic slow-release particles is closed again, and the aromatic bacteriostatic agent stops releasing. Therefore, the aromatic bacteriostatic agent can not be released to cause loss when the fabric is placed, and only when the fabric is worn on a human body and sweats, the aromatic bacteriostatic agent can be released to eliminate peculiar smell, and the fragrance release duration is good.
Therefore, the invention has the following beneficial effects:
(1) acrylic acid and N, N-methylene bisacrylamide are subjected to crosslinking copolymerization on the surface of the polyester fabric under the action of ultraviolet irradiation to form a three-dimensional net structure, so that the polyester fabric obtains good water absorption performance, human sweat can be effectively absorbed, wearing comfort is improved, pH response of the pH response aromatic slow-release particles can be realized under the action of the sweat, and an aromatic bacteriostatic agent is released;
(2) using mesoporous TiO2The aromatic bacteriostatic agent is loaded, so that the pH response aromatic slow-release particles have the sun-screening function and the loading function at the same time;
(3) in the mesoporous TiO2Alanine and long carbon chain quaternary ammonium salt are modified on the surface, and the attraction or repulsion performance of alanine and quaternary ammonium group under different pH conditions is utilized to enable the sun-proof particles to have a pH response slow release function, so that the sun-proof deodorizing fabric can be made to have aromatic fragrance when placedThe fragrant bacteriostatic agent can not be released, and only when the fragrant bacteriostatic agent is worn on a human body and sweats, the fragrant bacteriostatic agent can be released to eliminate peculiar smell, and the fragrance release duration is good.
Detailed Description
The invention is further described with reference to specific embodiments.
The reagents used in the present invention are as follows:
polyacrylate emulsion: the solid content is 40 percent, Shanghai Jiehun new material company;
rose essential oil: purity is more than or equal to 99 percent, Shanghai Zhengnzhen nanometer science and technology Limited company;
lemon essential oil: purity is more than or equal to 99 percent, Shanghai Zhengnzhi nano science and technology Limited company.
Other reagents used in the present invention are those commonly used in the art or commercially available.
Example 1:
a preparation method of a high-water-absorption aromatic polyester fabric comprises the following steps:
(1) dissolving acrylic acid and N, N-methylene-bisacrylamide in deionized water, adding ammonium persulfate, and uniformly stirring to obtain a modified solution, wherein the mass fraction of the acrylic acid in the modified solution is 8%, the mass fraction of the N, N-methylene-bisacrylamide is 4 per thousand, and the mass fraction of the ammonium persulfate is 2%;
(2) the gram weight is 150g/m2After washing and drying the plain-weave polyester fabric, placing the plain-weave polyester fabric under an 800W ultraviolet lamp for irradiating for 25min, wherein the irradiation distance is 12 cm;
(3) soaking the irradiated polyester fabric in a modified solution, and introducing nitrogen for 15 min;
(4) taking the polyester fabric out of the modified solution, and placing the polyester fabric under an ultraviolet lamp of 800W for irradiation reaction for 25min, wherein the irradiation distance is 12 cm;
(5) placing the polyester fabric after the irradiation reaction in deionized water, boiling for 1.5h, then placing in 0.04mol/L sodium hydroxide solution for soaking for 25min, and washing and drying to obtain the water-absorbing modified polyester fabric;
(6) dispersing the pH response aromatic slow-release particles in polyacrylate emulsion (the mass ratio of the polyacrylate emulsion to water is 3:7) diluted by adding water to obtain a coating agent, wherein the mass fraction of the pH response aromatic slow-release particles in the coating agent is 20%; coating the water-absorption modified polyester fabric with a coating agent for 2 times, wherein the coating amount of pH response aromatic slow-release particles in each time is 2% of the weight of the polyester fabric, and drying to obtain the polyester fabric with a sun-proof coating;
(7) the terylene fabric with the sun-proof coating is coated with 1.0g/L of Na2CO3Soaking the fabric in the solution for 1.5min, washing and drying to obtain the high-water-absorptivity aromatic polyester fabric.
Wherein, the preparation method of the pH response aromatic slow-release particles in the step (6) comprises the following steps:
(a) dissolving hexadecylamine in absolute ethyl alcohol at 28 ℃, adding 0.15mol/L potassium chloride solution and deionized water, and uniformly stirring to obtain a guiding agent solution, wherein the mass-volume ratio of the hexadecylamine to the added absolute ethyl alcohol, potassium chloride solution and deionized water is 1 g: 100mL of: 0.4 mL: 1.5 mL;
(b) dropwise adding titanium isopropoxide into the guiding agent solution under the stirring state, wherein the molar ratio of the added titanium isopropoxide to the hexadecylamine in the guiding agent solution is 1: 0.3, standing for 20h, centrifuging, washing the product with ethanol, and drying to obtain TiO2A precursor;
(c) adding TiO into the mixture2Dispersing the precursor in a mixed solution of ammonia water, absolute ethyl alcohol and deionized water, reacting at 170 ℃ for 20h, centrifuging, washing the product with ethanol, drying, and roasting at 505 ℃ for 2.5h to obtain mesoporous TiO2The concentration of ammonia water in the mixed solution is 0.15mol/L, and the volume ratio of absolute ethyl alcohol to deionized water is 1.5: 1; TiO 22The mass volume ratio of the precursor to the mixed solution is 1 g: 20 mL;
(d) downward mesoporous TiO under the protection of nitrogen2Adding toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane, stirring at 100 deg.C, and reacting for 24 hr to obtain surface modified mesoporous TiO2Mesoporous TiO2The mass volume ratio of the mixture to toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane is 1 g: 25mL of: 25mL of: 500 mL;
(e) adding alanine intoIn phosphate buffer solution with pH of 7.0, the concentration of alanine in the phosphate buffer solution is 3mg/mL, after even stirring, surface modified mesoporous TiO is added2Added surface modified mesoporous TiO2The mass volume ratio of the phosphate buffer solution to the phosphate buffer solution is 1 g: 150mL, oscillating and reacting at 55 ℃ for 24h, filtering, washing the product with ethanol, and drying in vacuum to obtain alanine-modified mesoporous TiO2；
(f) Alanine modified mesoporous TiO2Dispersed in rose essential oil, alanine modified mesoporous TiO2The mass volume ratio of the rose essential oil to the rose essential oil is 1 g: 30mL, stirring and reacting for 10h at room temperature, filtering and washing with deionized water to obtain the aromatic bacteriostatic agent-loaded mesoporous TiO2；
(g) Loading mesoporous TiO with aromatic bacteriostat2Mesoporous TiO dispersed in N, N-dimethylformamide and loaded with aromatic bacteriostatic agent2The mass-to-volume ratio of N, N-dimethylformamide is 1 g: 300mL, stirring for 35min, adding octadecyl dimethyl tertiary amine and potassium iodide under the protection of nitrogen, and loading aromatic bacteriostatic agent to the mesoporous TiO2The mass ratio of the organic solvent to the octadecyl dimethyl tertiary amine and the potassium iodide is 5: 10: and (3) stirring and reacting for 30h at 50 ℃, filtering, washing a product with N, N-dimethylformamide, and drying in vacuum to obtain the pH response aromatic slow-release particles.
Example 2:
a preparation method of a high-water-absorption aromatic polyester fabric comprises the following steps:
(1) dissolving acrylic acid and N, N-methylene-bisacrylamide in deionized water, adding ammonium persulfate, and uniformly stirring to obtain a modified solution, wherein the mass fraction of the acrylic acid in the modified solution is 6%, the mass fraction of the N, N-methylene-bisacrylamide is 2 per mill, and the mass fraction of the ammonium persulfate is 1%;
(2) the gram weight is 150g/m2After being washed and dried, the plain-weave polyester fabric is placed under a 400W ultraviolet lamp for irradiation for 30min, and the irradiation distance is 10 cm;
(3) soaking the irradiated polyester fabric in a modified solution, and introducing nitrogen for 10 min;
(4) taking the polyester fabric out of the modified solution, and placing the polyester fabric under a 400W ultraviolet lamp for irradiation reaction for 30min, wherein the irradiation distance is 10 cm;
(5) placing the polyester fabric after the irradiation reaction in deionized water, boiling for 1h, then placing in 0.02mol/L sodium hydroxide solution for soaking for 30min, washing with water and drying to obtain the water-absorbing modified polyester fabric;
(6) dispersing the pH response aromatic slow-release particles in polyacrylate emulsion (the mass ratio of the polyacrylate emulsion to water is 3:7) diluted by adding water to obtain a coating agent, wherein the mass fraction of the pH response aromatic slow-release particles in the coating agent is 10%; coating the water-absorption modified polyester fabric with a coating agent for 1 pass, wherein the coating amount of the pH response aromatic slow-release particles is 3 percent of the weight of the polyester fabric, and drying to obtain the polyester fabric with the sun-proof coating;
(7) the terylene fabric with the sun-proof coating is coated with 0.5g/L of Na2CO3Soaking the fabric in the solution for 2min, washing and drying to obtain the high-water-absorptivity aromatic polyester fabric.
Wherein, the preparation method of the pH response aromatic slow-release particles in the step (6) comprises the following steps:
(a) dissolving hexadecylamine in absolute ethyl alcohol at 25 ℃, adding 0.1mol/L potassium chloride solution and deionized water, and uniformly stirring to obtain a guiding agent solution, wherein the mass-volume ratio of the hexadecylamine to the added absolute ethyl alcohol, potassium chloride solution and deionized water is 1 g: 80mL of: 0.3 mL: 1 mL;
(b) dropwise adding titanium isopropoxide into the guiding agent solution under the stirring state, wherein the molar ratio of the added titanium isopropoxide to the hexadecylamine in the guiding agent solution is 1: 0.1, standing for 15h, centrifuging, washing the product with ethanol, and drying to obtain TiO2A precursor;
(c) adding TiO into the mixture2Dispersing the precursor in a mixed solution of ammonia water, absolute ethyl alcohol and deionized water, reacting at 150 ℃ for 24h, centrifuging, washing the product with ethanol, drying, and roasting at 500 ℃ for 3h to obtain mesoporous TiO2The concentration of ammonia water in the mixed solution is 0.1mol/L, and the volume ratio of absolute ethyl alcohol to deionized water is 1: 1; TiO 22The mass volume ratio of the precursor to the mixed solution is 1 g: 18 mL;
(d) under the protection of nitrogenPorous TiO2Adding toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane, stirring at 80 deg.C, and reacting for 30 hr to obtain surface modified mesoporous TiO2Mesoporous TiO2The mass volume ratio of the mixture to toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane is 1 g: 20mL of: 20mL of: 400 mL;
(e) adding alanine into phosphate buffer solution with pH of 7.0 to make alanine concentration in phosphate buffer solution be 2mg/mL, stirring uniformly, adding surface modified mesoporous TiO2Added surface modified mesoporous TiO2The mass volume ratio of the phosphate buffer solution to the phosphate buffer solution is 1 g: 200mL, oscillating and reacting for 30h at 50 ℃, filtering, washing the product with ethanol, and drying in vacuum to obtain alanine-modified mesoporous TiO2；
(f) Alanine modified mesoporous TiO2Dispersing in rose essential oil and lemon essential oil according to the volume ratio of 1:1 in the mixed essential oil, alanine modified mesoporous TiO2The mass volume ratio of the mixed essential oil to the mixed essential oil is 1 g: 50mL, stirring and reacting at room temperature for 12h, filtering and washing with deionized water to obtain the aromatic bacteriostatic agent-loaded mesoporous TiO2；
(g) Loading mesoporous TiO with aromatic bacteriostat2Mesoporous TiO dispersed in N, N-dimethylformamide and loaded with aromatic bacteriostatic agent2The mass-to-volume ratio of N, N-dimethylformamide is 1 g: 200mL, stirring for 30min, adding octadecyl dimethyl tertiary amine and potassium iodide under the protection of nitrogen, and loading aromatic bacteriostatic agent to the mesoporous TiO2The mass ratio of the organic solvent to the octadecyl dimethyl tertiary amine and the potassium iodide is 5: 9: stirring and reacting for 36h at the temperature of 0.1 and 40 ℃, filtering, washing a product with N, N-dimethylformamide, and drying in vacuum to obtain the pH response aromatic slow-release particles.
Example 3:
a preparation method of a high-water-absorption aromatic polyester fabric comprises the following steps:
(1) dissolving acrylic acid and N, N-methylene-bisacrylamide in deionized water, adding ammonium persulfate, and uniformly stirring to obtain a modified solution, wherein the mass fraction of the acrylic acid in the modified solution is 10%, the mass fraction of the N, N-methylene-bisacrylamide is 6 per thousand, and the mass fraction of the ammonium persulfate is 3%;
(2) the gram weight is 150g/m2After washing and drying the plain-weave polyester fabric, placing the plain-weave polyester fabric under a 1000W ultraviolet lamp for irradiating for 20min, wherein the irradiation distance is 15 cm;
(3) soaking the irradiated polyester fabric in a modified solution, and introducing nitrogen for 20 min;
(4) taking the polyester fabric out of the modified solution, and placing the polyester fabric under a 1000W ultraviolet lamp for irradiation reaction for 20min, wherein the irradiation distance is 15 cm;
(5) placing the polyester fabric after the irradiation reaction in deionized water to boil for 2h, then placing the polyester fabric in 0.05mol/L sodium hydroxide solution to dip for 20min, and obtaining the water-absorbing modified polyester fabric after washing and drying;
(6) dispersing the pH response aromatic slow-release particles in polyacrylate emulsion (the mass ratio of the polyacrylate emulsion to water is 3:7) diluted by adding water to obtain a coating agent, wherein the mass fraction of the pH response aromatic slow-release particles in the coating agent is 30%; coating the water-absorption modified polyester fabric with a coating agent for 2 times, wherein the coating amount of pH response aromatic slow-release particles in each time is 1% of the weight of the polyester fabric, and drying to obtain the polyester fabric with a sun-proof coating;
(7) the terylene fabric with the sun-proof coating is coated with 1.5g/L of Na2CO3Soaking the fabric in the solution for 1min, washing and drying to obtain the high-water-absorptivity aromatic polyester fabric.
Wherein, the preparation method of the pH response aromatic slow-release particles in the step (6) comprises the following steps:
(a) dissolving hexadecylamine in absolute ethyl alcohol at the temperature of 30 ℃, adding 0.2mol/L potassium chloride solution and deionized water, and uniformly stirring to obtain a guiding agent solution, wherein the mass-volume ratio of the hexadecylamine to the added absolute ethyl alcohol, potassium chloride solution and deionized water is 1 g: 120mL of: 0.5 mL: 2 mL;
(b) dropwise adding titanium isopropoxide into the guiding agent solution under the stirring state, wherein the molar ratio of the added titanium isopropoxide to the hexadecylamine in the guiding agent solution is 1: 0.5, standing for 24h, centrifuging, washing the product with ethanol, and drying to obtain TiO2Precursor ofA body;
(c) adding TiO into the mixture2Dispersing the precursor in a mixed solution of ammonia water, absolute ethyl alcohol and deionized water, reacting at 180 ℃ for 12h, centrifuging, washing the product with ethanol, drying, and roasting at 510 ℃ for 2h to obtain mesoporous TiO2The concentration of ammonia water in the mixed solution is 0.2mol/L, and the volume ratio of absolute ethyl alcohol to deionized water is 2: 1; TiO 22The mass volume ratio of the precursor to the mixed solution is 1 g: 22 mL;
(d) downward mesoporous TiO under the protection of nitrogen2Adding toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane, stirring at 120 deg.C, and reacting for 20 hr to obtain surface modified mesoporous TiO2Mesoporous TiO2The mass volume ratio of the mixture to toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane is 1 g: 30mL of: 30mL of: 600 mL;
(e) adding alanine into phosphate buffer solution with pH of 7.0 to make alanine concentration in phosphate buffer solution be 4mg/mL, stirring uniformly, adding surface modified mesoporous TiO2Added surface modified mesoporous TiO2The mass volume ratio of the phosphate buffer solution to the phosphate buffer solution is 1 g: 100mL, oscillating and reacting for 20h at 60 ℃, filtering, washing the product with ethanol, and drying in vacuum to obtain alanine-modified mesoporous TiO2；
(f) Alanine modified mesoporous TiO2Dispersed in rose essential oil, alanine modified mesoporous TiO2The mass volume ratio of the rose essential oil to the rose essential oil is 1 g: 20mL, stirring at room temperature for reaction for 8h, filtering and washing with deionized water to obtain the aromatic bacteriostatic agent-loaded mesoporous TiO2；
(g) Loading mesoporous TiO with aromatic bacteriostat2Mesoporous TiO dispersed in N, N-dimethylformamide and loaded with aromatic bacteriostatic agent2The mass-to-volume ratio of N, N-dimethylformamide is 1 g: 400mL, stirring for 40min, adding octadecyl dimethyl tertiary amine and potassium iodide under the protection of nitrogen, and loading aromatic bacteriostatic agent to the mesoporous TiO2The mass ratio of the organic solvent to the octadecyl dimethyl tertiary amine and the potassium iodide is 5: 11: stirring and reacting at 0.5 and 60 ℃ for 24h, filtering, and then adding N, N-Washing with dimethylformamide, and drying in vacuum to obtain the pH response aromatic sustained-release particles.
Comparative example 1:
a preparation method of aromatic polyester fabric comprises the following steps:
(1) the gram weight is 150g/m2After washing and drying the plain-weave polyester fabric, placing the plain-weave polyester fabric under an 800W ultraviolet lamp for irradiating for 25min, wherein the irradiation distance is 12 cm;
(2) dispersing the pH response aromatic slow-release particles in polyacrylate emulsion (the mass ratio of the polyacrylate emulsion to water is 3:7) diluted by adding water to obtain a coating agent, wherein the mass fraction of the pH response aromatic slow-release particles in the coating agent is 20%; coating the polyester fabric subjected to ultraviolet irradiation with a coating agent for 2 times, wherein the coating amount of the pH response aromatic slow-release particles in each time is 2% of the weight of the polyester fabric, and drying to obtain the polyester fabric with the sun-proof coating;
(3) the terylene fabric with the sun-proof coating is coated with 1.0g/L of Na2CO3Soaking the fabric in the solution for 1.5min, washing and drying to obtain the high-water-absorptivity aromatic polyester fabric.
Wherein, the preparation method of the pH-responsive aromatic sustained-release particles in the step (2) is the same as that in the example 1.
Comparative example 2:
a preparation method of a high-water-absorption aromatic polyester fabric comprises the following steps:
(1) dissolving acrylic acid in deionized water, adding ammonium persulfate, and uniformly stirring to obtain a modified solution, wherein the mass fraction of the acrylic acid in the modified solution is 8%, and the mass fraction of the ammonium persulfate is 2%;
(2) the gram weight is 150g/m2After washing and drying the plain-weave polyester fabric, placing the plain-weave polyester fabric under an 800W ultraviolet lamp for irradiating for 25min, wherein the irradiation distance is 12 cm;
(3) soaking the irradiated polyester fabric in a modified solution, and introducing nitrogen for 15 min;
(4) taking the polyester fabric out of the modified solution, and placing the polyester fabric under an ultraviolet lamp of 800W for irradiation reaction for 25min, wherein the irradiation distance is 12 cm;
(5) placing the polyester fabric after the irradiation reaction in deionized water, boiling for 1.5h, then placing in 0.04mol/L sodium hydroxide solution for soaking for 25min, and washing and drying to obtain the water-absorbing modified polyester fabric;
(6) dispersing the pH response aromatic slow-release particles in polyacrylate emulsion (the mass ratio of the polyacrylate emulsion to water is 3:7) diluted by adding water to obtain a coating agent, wherein the mass fraction of the pH response aromatic slow-release particles in the coating agent is 20%; coating the water-absorption modified polyester fabric with a coating agent for 2 times, wherein the coating amount of pH response aromatic slow-release particles in each time is 2% of the weight of the polyester fabric, and drying to obtain the polyester fabric with a sun-proof coating;
(7) the terylene fabric with the sun-proof coating is coated with 1.0g/L of Na2CO3Soaking the fabric in the solution for 1.5min, washing and drying to obtain the high-water-absorptivity aromatic polyester fabric.
Wherein, the preparation method of the pH-responsive aromatic sustained-release particles in the step (6) is the same as that in example 1.
Comparative example 3:
a preparation method of a high-water-absorption aromatic polyester fabric comprises the following steps:
(1) dissolving acrylic acid and N, N-methylene-bisacrylamide in deionized water, adding ammonium persulfate, and uniformly stirring to obtain a modified solution, wherein the mass fraction of the acrylic acid in the modified solution is 8%, the mass fraction of the N, N-methylene-bisacrylamide is 4 per thousand, and the mass fraction of the ammonium persulfate is 2%;
(2) the gram weight is 150g/m2After washing and drying the plain-weave polyester fabric, placing the plain-weave polyester fabric under an 800W ultraviolet lamp for irradiating for 25min, wherein the irradiation distance is 12 cm;
(3) soaking the irradiated polyester fabric in a modified solution, and introducing nitrogen for 15 min;
(4) taking the polyester fabric out of the modified solution, and placing the polyester fabric under an ultraviolet lamp of 800W for irradiation reaction for 25min, wherein the irradiation distance is 12 cm;
(5) placing the polyester fabric after the irradiation reaction in deionized water, boiling for 1.5h, then placing in 0.04mol/L sodium hydroxide solution for soaking for 25min, and washing and drying to obtain the water-absorbing modified polyester fabric;
(6) dispersing the slow-release sunscreen particles in polyacrylate emulsion (the mass ratio of the polyacrylate emulsion to water is 3:7) diluted by adding water to obtain a coating agent, wherein the mass fraction of the slow-release sunscreen particles in the coating agent is 20%; coating the water-absorption modified polyester fabric with a coating agent for 2 times, wherein the coating amount of the slow-release sunscreen particles in each time is 2% of the weight of the polyester fabric, and drying to obtain the polyester fabric with the sunscreen coating;
(7) the terylene fabric with the sun-proof coating is coated with 1.0g/L of Na2CO3Soaking the fabric in the solution for 1.5min, washing and drying to obtain the high-water-absorptivity aromatic polyester fabric.
The preparation method of the sustained-release sunscreen particles in the step (6) comprises the following steps:
(a) dissolving hexadecylamine in absolute ethyl alcohol at 28 ℃, adding 0.15mol/L potassium chloride solution and deionized water, and uniformly stirring to obtain a guiding agent solution, wherein the mass-volume ratio of the hexadecylamine to the added absolute ethyl alcohol, potassium chloride solution and deionized water is 1 g: 100mL of: 0.4 mL: 1.5 mL;
(b) dropwise adding titanium isopropoxide into the guiding agent solution under the stirring state, wherein the molar ratio of the added titanium isopropoxide to the hexadecylamine in the guiding agent solution is 1: 0.3, standing for 20h, centrifuging, washing the product with ethanol, and drying to obtain TiO2A precursor;
(c) adding TiO into the mixture2Dispersing the precursor in a mixed solution of ammonia water, absolute ethyl alcohol and deionized water, reacting at 170 ℃ for 20h, centrifuging, washing the product with ethanol, drying, and roasting at 505 ℃ for 2.5h to obtain mesoporous TiO2The concentration of ammonia water in the mixed solution is 0.15mol/L, and the volume ratio of absolute ethyl alcohol to deionized water is 1.5: 1; TiO 22The mass volume ratio of the precursor to the mixed solution is 1 g: 20 mL;
(d) downward mesoporous TiO under the protection of nitrogen2Adding toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane, stirring at 100 deg.C, and reacting for 24 hr to obtain surface modified mesoporous TiO2Mesoporous TiO2The mass volume ratio of the mixture to toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane is 1 g: 25mL of: 25mL of: 500 mL;
(e) general watchSurface modified mesoporous TiO2Surface modified mesoporous TiO dispersed in rose essential oil2The mass volume ratio of the rose essential oil to the rose essential oil is 1 g: 30mL, stirring and reacting for 10h at room temperature, filtering and washing with deionized water to obtain the aromatic bacteriostatic agent-loaded mesoporous TiO2；
(f) Loading mesoporous TiO with aromatic bacteriostat2Mesoporous TiO dispersed in N, N-dimethylformamide and loaded with aromatic bacteriostatic agent2The mass-to-volume ratio of N, N-dimethylformamide is 1 g: 300mL, stirring for 35min, adding octadecyl dimethyl tertiary amine and potassium iodide under the protection of nitrogen, and loading aromatic bacteriostatic agent to the mesoporous TiO2The mass ratio of the organic solvent to the octadecyl dimethyl tertiary amine and the potassium iodide is 5: 10: and (3) stirring and reacting for 30h at the temperature of 0.3 and 50 ℃, filtering, washing a product with N, N-dimethylformamide, and drying in vacuum to obtain the slow-release sunscreen particles.
Comparative example 4:
a preparation method of a high-water-absorption aromatic polyester fabric comprises the following steps:
(1) dissolving acrylic acid and N, N-methylene-bisacrylamide in deionized water, adding ammonium persulfate, and uniformly stirring to obtain a modified solution, wherein the mass fraction of the acrylic acid in the modified solution is 8%, the mass fraction of the N, N-methylene-bisacrylamide is 4 per thousand, and the mass fraction of the ammonium persulfate is 2%;
(2) the gram weight is 150g/m2After washing and drying the plain-weave polyester fabric, placing the plain-weave polyester fabric under an 800W ultraviolet lamp for irradiating for 25min, wherein the irradiation distance is 12 cm;
(3) soaking the irradiated polyester fabric in a modified solution, and introducing nitrogen for 15 min;
(4) taking the polyester fabric out of the modified solution, and placing the polyester fabric under an ultraviolet lamp of 800W for irradiation reaction for 25min, wherein the irradiation distance is 12 cm;
(5) placing the polyester fabric after the irradiation reaction in deionized water, boiling for 1.5h, then placing in 0.04mol/L sodium hydroxide solution for soaking for 25min, and washing and drying to obtain the water-absorbing modified polyester fabric;
(6) dispersing the slow-release sunscreen particles in polyacrylate emulsion (the mass ratio of the polyacrylate emulsion to water is 3:7) diluted by adding water to obtain a coating agent, wherein the mass fraction of the slow-release sunscreen particles in the coating agent is 20%; coating the water-absorption modified polyester fabric with a coating agent for 2 times, wherein the coating amount of the slow-release sunscreen particles in each time is 2% of the weight of the polyester fabric, and drying to obtain the polyester fabric with the sunscreen coating;
(7) the terylene fabric with the sun-proof coating is coated with 1.0g/L of Na2CO3Soaking the fabric in the solution for 1.5min, washing and drying to obtain the high-water-absorptivity aromatic polyester fabric.
The preparation method of the sustained-release sunscreen particles in the step (6) comprises the following steps:
(a) dissolving hexadecylamine in absolute ethyl alcohol at 28 ℃, adding 0.15mol/L potassium chloride solution and deionized water, and uniformly stirring to obtain a guiding agent solution, wherein the mass-volume ratio of the hexadecylamine to the added absolute ethyl alcohol, potassium chloride solution and deionized water is 1 g: 100mL of: 0.4 mL: 1.5 mL;
(b) dropwise adding titanium isopropoxide into the guiding agent solution under the stirring state, wherein the molar ratio of the added titanium isopropoxide to the hexadecylamine in the guiding agent solution is 1: 0.3, standing for 20h, centrifuging, washing the product with ethanol, and drying to obtain TiO2A precursor;
(c) adding TiO into the mixture2Dispersing the precursor in a mixed solution of ammonia water, absolute ethyl alcohol and deionized water, reacting at 170 ℃ for 20h, centrifuging, washing the product with ethanol, drying, and roasting at 505 ℃ for 2.5h to obtain mesoporous TiO2The concentration of ammonia water in the mixed solution is 0.15mol/L, and the volume ratio of absolute ethyl alcohol to deionized water is 1.5: 1; TiO 22The mass volume ratio of the precursor to the mixed solution is 1 g: 20 mL;
(d) downward mesoporous TiO under the protection of nitrogen2Adding toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane, stirring at 100 deg.C, and reacting for 24 hr to obtain surface modified mesoporous TiO2Mesoporous TiO2The mass volume ratio of the mixture to toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane is 1 g: 25mL of: 25mL of: 500 mL;
(e) adding alanine into phosphate buffer solution with pH of 7.0 to make alanineThe concentration of the amino acid in the phosphate buffer solution is 3mg/mL, and after being uniformly stirred, the amino acid is added into the surface modified mesoporous TiO2Added surface modified mesoporous TiO2The mass volume ratio of the phosphate buffer solution to the phosphate buffer solution is 1 g: 150mL, oscillating and reacting at 55 ℃ for 24h, filtering, washing the product with ethanol, and drying in vacuum to obtain alanine-modified mesoporous TiO2；
(f) Alanine modified mesoporous TiO2Dispersed in rose essential oil, alanine modified mesoporous TiO2The mass volume ratio of the rose essential oil to the rose essential oil is 1 g: 30mL, stirring and reacting for 10h at room temperature, filtering and washing with deionized water to obtain the slow-release sunscreen particles.
The water absorption performance, the sun-screening performance and the washing resistance of the aromatic polyester fabrics prepared in the above examples and comparative examples were measured, and the results are shown in table 1. The test method for water absorption was: cutting the polyester fabric into a sample of 2cm x 2cm, weighing, soaking in 100mL deionized water for absorbing water for 24h, taking out, placing on a screen, standing for 30min until no liquid drops drop, weighing, and calculating the water absorption rate of the fabric according to the following formula:
Q＝(m2-m1)/m1
wherein m is1The mass of the polyester fabric before water absorption; m is2The mass of the polyester fabric after 24 hours of water absorption.
Table 1: and (5) performance test results of the polyester fabric.
| Item | Water absorption Rate (g/g) | UPF value | Weight loss ratio (%) after washing 20 times |
| Example 1 | 102.3 | 272 | 1.8 |
| Example 2 | 93.7 | 115 | 1.0 |
| Example 3 | 110.9 | 91 | 2.0 |
| Comparative example 1 | 19.7 | 270 | 1.7 |
| Comparative example 2 | 57.4 | 268 | 1.7 |
| Comparative example 3 | 103.1 | 274 | 1.9 |
| Comparative example 4 | 102.6 | 273 | 1.8 |
As can be seen from table 1, in examples 1 to 3, by using the method of the present invention, after the polyester fabric is modified by the modification solution under ultraviolet irradiation, the water absorption performance of the polyester fabric is significantly improved as compared with the polyester fabric modified without the modification solution in comparative example 1; in comparative example 2, N-methylene bisacrylamide is not added to the modification solution, the water absorption performance of the polyester fabric is also obviously reduced compared with that in example 1, probably because the polymer cannot be crosslinked to form a three-dimensional network structure without adding N, N-methylene bisacrylamide, so that the water absorption performance is reduced.
Meanwhile, in the embodiment and the comparative example, after the pH response aromatic slow-release particles are loaded on the polyester fabric, the UPF value of the polyester fabric meets the standard (UPF is more than 30) which can be called as an ultraviolet-proof product in GB/T18830-2002, the washing-resistant effect is good, the sun-proof performance is good, and the polyester fabric can be prepared into sun-proof clothes and other products.
The polyester fabrics prepared in the above examples and comparative examples are cut into 2cm by 2cm samples, and are respectively soaked in 100mL deionized water and 100mL artificial sweat with pH value of 5.5 for 8h, wherein the preparation of the artificial sweat refers to the preparation method of acid sweat in GB/T3922-2013 sweat fastness test.
The content of citronellol (the main volatile component of rose essential oil) in the solution after impregnation was determined by gas chromatography-mass spectrometry, and the results are shown in table 2.
Table 2: citronellol release results.
As can be seen from table 2, in examples 1 to 3, by using the pH-responsive aromatic sustained-release particles of the present invention, in neutral deionized water, the rose essential oil loaded in the fabric is not released, and the rose essential oil in acidic sweat is released, which proves that the aromatic bacteriostatic agent in the fabric prepared in the present invention is released only under acidic conditions, thereby reducing the loss of the aromatic bacteriostatic agent, and prolonging the fragrance release durability of the fabric.
When the water absorption performance of the polyester fabrics in the comparative examples 1 and 2 is reduced, the release amount of citronellol in sweat of the fabrics is reducedThe relative reduction compared to example 1 is also possible because sweat cannot be sufficiently contacted with the pH-responsive fragrance slow-release particles due to poor absorption of sweat by the fabric, and the groups on the surface of the pH-responsive fragrance slow-release particles cannot effectively realize pH response to release the rose essential oil. Comparative example 3 TiO not in mesoporous2Alanine is modified on the surface, long carbon chain quaternary ammonium salt is not modified in comparative example 4, and finally the prepared mesoporous TiO2Neither is pH responsive and the rose essential oil in the fabric is released under both aqueous and acidic conditions.
Claims (10)
1. The preparation method of the high-water-absorption aromatic polyester fabric is characterized by comprising the following steps of:
(1) dissolving acrylic acid and N, N-methylene bisacrylamide in water, adding ammonium persulfate, and uniformly stirring to obtain a modified solution;
(2) washing and drying the polyester fabric, and then irradiating for 20-30 min under an ultraviolet lamp;
(3) soaking the irradiated polyester fabric in a modified solution, and introducing nitrogen for 10-20 min;
(4) taking the polyester fabric out of the modified solution, and placing the polyester fabric under an ultraviolet lamp for irradiation reaction for 20-30 min;
(5) placing the polyester fabric after the irradiation reaction in water, boiling for 1-2 h, then placing in a sodium hydroxide solution, soaking for 20-30 min, washing with water and drying to obtain a water-absorbing modified polyester fabric;
(6) dispersing the pH response aromatic slow-release particles in polyacrylate emulsion to obtain a coating agent, coating the water absorption modified polyester fabric with the coating agent, and drying to obtain the polyester fabric with the sun-proof coating;
(7) putting the polyester fabric with the sun-proof coating in 0.5-1.5 g/L of Na2CO3And soaking the fabric in the solution for 1-2 min, and then washing and drying the fabric to obtain the high-water-absorptivity aromatic polyester fabric.
2. The preparation method of the high-water-absorption aromatic polyester fabric according to claim 1, wherein the mass fraction of acrylic acid in the modified solution in the step (1) is 6-10%, the mass fraction of N, N-methylene bisacrylamide is 2-6% o, and the mass fraction of ammonium persulfate is 1-3%.
3. The preparation method of the high water absorption aromatic polyester fabric according to claim 1, wherein the ultraviolet lamp power in the steps (2) and (4) is 400-1000W, and the irradiation distance is 10-15 cm.
4. The method for preparing the aromatic polyester fabric with high water absorption according to claim 1, wherein the concentration of the sodium hydroxide solution in the step (5) is 0.02-0.05 mol/L.
5. The method for preparing a high water absorption aromatic polyester fabric according to claim 1, wherein the method for preparing the pH response aromatic slow release particles in the step (6) comprises the following steps:
(a) dissolving hexadecylamine in absolute ethyl alcohol at the temperature of 25-30 ℃, adding 0.1-0.2 mol/L potassium chloride solution and deionized water, and uniformly stirring to obtain a guiding agent solution;
(b) dropwise adding titanium isopropoxide into the guiding agent solution under the stirring state, standing for 15-24 h, centrifuging, washing the product with ethanol, and drying to obtain TiO2The molar ratio of the added titanium isopropoxide to the hexadecylamine in the guiding agent solution is 1: (0.1 to 0.5);
(c) adding TiO into the mixture2Dispersing the precursor in a mixed solution of ammonia water, absolute ethyl alcohol and deionized water, reacting at 150-180 ℃ for 12-24 h, centrifuging, washing the product with ethanol, drying, and roasting at 500-510 ℃ for 2-3 h to obtain mesoporous TiO2；
(d) Downward mesoporous TiO under the protection of nitrogen2Adding toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane, stirring at 80-120 ℃ and reacting for 20-30 h to obtain surface-modified mesoporous TiO2Mesoporous TiO2The mass volume ratio of the mixture to toluene, gamma-chloropropyltrimethoxysilane and 3-glycidyl ether oxypropyltriethoxysilane is 1 g: (20-30 mL): (20-30 mL): (400-600 mL);
(e) adding alanine into phosphate buffer solution with pH of 7.0, stirring uniformly, and adding surface modified mesoporous TiO2Oscillating and reacting for 20-30 h at 50-60 ℃, filtering, washing the product with ethanol, and drying in vacuum to obtain alanine-modified mesoporous TiO2Wherein the concentration of alanine in phosphate buffer solution is 2-4 mg/mL, and surface modified mesoporous TiO is added2The mass volume ratio of the phosphate buffer solution to the phosphate buffer solution is 1 g: (100-200 mL);
(f) alanine modified mesoporous TiO2Dispersing in an aromatic bacteriostatic agent, stirring at room temperature for reaction for 8-12 h, filtering, and washing with deionized water to obtain the aromatic bacteriostatic agent-loaded mesoporous TiO2；
(g) Loading mesoporous TiO with aromatic bacteriostat2Dispersing in N, N-dimethylformamide, stirring for 30-40 min, adding octadecyl dimethyl tertiary amine and potassium iodide under the protection of nitrogen, stirring at 40-60 ℃ for reaction for 24-36 h, filtering, washing the product with N, N-dimethylformamide, and drying in vacuum to obtain the pH response aromatic slow-release particles.
6. The method for preparing the aromatic polyester fabric with high water absorbability according to claim 5, wherein the mass-to-volume ratio of the hexadecylamine to the added absolute ethyl alcohol, the potassium chloride solution and the deionized water in the step (a) is 1 g: (80-120 mL): (0.3-0.5 mL): (1-2 mL).
7. The method for preparing the aromatic polyester fabric with high water absorbability according to claim 5, wherein the concentration of the ammonia water in the mixed solution in the step (c) is 0.1-0.2 mol/L, and the volume ratio of the absolute ethyl alcohol to the deionized water is (1-2): 1; TiO 22The mass volume ratio of the precursor to the mixed solution is 1 g: (18-22 mL).
8. The method for preparing the fragrant dacron fabric with high water absorbability according to claim 5, wherein the fragrant bacteriostatic agent in step (f) is rose essential oil, lemon essential oil, mint essential oil,One or more than one of blumea oil, and the alanine-modified mesoporous TiO2The mass volume ratio of the aromatic bacteriostatic agent to the aromatic bacteriostatic agent is 1 g: (20-50 mL).
9. The method for preparing the aromatic polyester fabric with high water absorption according to claim 5, wherein the mesoporous TiO loaded with the aromatic bacteriostatic agent in the step (g)2The mass-to-volume ratio of N, N-dimethylformamide is 1 g: (200-400 mL) of mesoporous TiO loaded with aromatic bacteriostatic agent2The mass ratio of the organic solvent to the octadecyl dimethyl tertiary amine and the potassium iodide is 5: (9-11): (0.1-0.5).
10. The preparation method of the aromatic polyester fabric with high water absorption according to claim 1 or 5, wherein the coating agent in the step (6) comprises 10-30% of pH-responsive aromatic slow-release particles by mass, and 1-2 coating agents are coated, wherein the coating amount of the pH-responsive aromatic slow-release particles in each coating is 1-3% of the weight of the polyester fabric.
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