CN116463748A - Large biological nylon fiber containing coffee active ingredient and preparation method thereof - Google Patents
Large biological nylon fiber containing coffee active ingredient and preparation method thereof Download PDFInfo
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- CN116463748A CN116463748A CN202310624821.1A CN202310624821A CN116463748A CN 116463748 A CN116463748 A CN 116463748A CN 202310624821 A CN202310624821 A CN 202310624821A CN 116463748 A CN116463748 A CN 116463748A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 39
- 229920001778 nylon Polymers 0.000 title claims abstract description 35
- 239000004480 active ingredient Substances 0.000 title claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 50
- 238000002156 mixing Methods 0.000 claims abstract description 40
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 37
- 239000000284 extract Substances 0.000 claims abstract description 34
- 238000011282 treatment Methods 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000011068 loading method Methods 0.000 claims abstract description 24
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 18
- 239000000440 bentonite Substances 0.000 claims abstract description 18
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000010355 oscillation Effects 0.000 claims abstract description 16
- 238000005406 washing Methods 0.000 claims abstract description 16
- 238000009987 spinning Methods 0.000 claims abstract description 14
- 238000000498 ball milling Methods 0.000 claims abstract description 13
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- 238000012986 modification Methods 0.000 claims description 72
- 230000004048 modification Effects 0.000 claims description 72
- 239000004575 stone Substances 0.000 claims description 47
- 239000000843 powder Substances 0.000 claims description 37
- 238000003756 stirring Methods 0.000 claims description 29
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 20
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 20
- 229940092782 bentonite Drugs 0.000 claims description 17
- 238000001354 calcination Methods 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims description 10
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 10
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims description 10
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 10
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 10
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 claims description 10
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims description 10
- 229910000281 calcium bentonite Inorganic materials 0.000 claims description 10
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 10
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 claims description 10
- 150000004676 glycans Chemical class 0.000 claims description 10
- 235000019359 magnesium stearate Nutrition 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 10
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 10
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 10
- 235000002949 phytic acid Nutrition 0.000 claims description 10
- 229940068041 phytic acid Drugs 0.000 claims description 10
- 239000000467 phytic acid Substances 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- 229920001282 polysaccharide Polymers 0.000 claims description 10
- 239000005017 polysaccharide Substances 0.000 claims description 10
- 229910000280 sodium bentonite Inorganic materials 0.000 claims description 10
- 229940080314 sodium bentonite Drugs 0.000 claims description 10
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 10
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 10
- 239000011780 sodium chloride Substances 0.000 claims description 10
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 229920006052 Chinlon® Polymers 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- CWVRJTMFETXNAD-FWCWNIRPSA-N 3-O-Caffeoylquinic acid Natural products O[C@H]1[C@@H](O)C[C@@](O)(C(O)=O)C[C@H]1OC(=O)\C=C\C1=CC=C(O)C(O)=C1 CWVRJTMFETXNAD-FWCWNIRPSA-N 0.000 claims description 5
- PZIRUHCJZBGLDY-UHFFFAOYSA-N Caffeoylquinic acid Natural products CC(CCC(=O)C(C)C1C(=O)CC2C3CC(O)C4CC(O)CCC4(C)C3CCC12C)C(=O)O PZIRUHCJZBGLDY-UHFFFAOYSA-N 0.000 claims description 5
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910002651 NO3 Inorganic materials 0.000 claims description 5
- CWVRJTMFETXNAD-KLZCAUPSSA-N Neochlorogenin-saeure Natural products O[C@H]1C[C@@](O)(C[C@@H](OC(=O)C=Cc2ccc(O)c(O)c2)[C@@H]1O)C(=O)O CWVRJTMFETXNAD-KLZCAUPSSA-N 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 5
- 229960001948 caffeine Drugs 0.000 claims description 5
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims description 5
- 235000001368 chlorogenic acid Nutrition 0.000 claims description 5
- CWVRJTMFETXNAD-JUHZACGLSA-N chlorogenic acid Chemical compound O[C@@H]1[C@H](O)C[C@@](O)(C(O)=O)C[C@H]1OC(=O)\C=C\C1=CC=C(O)C(O)=C1 CWVRJTMFETXNAD-JUHZACGLSA-N 0.000 claims description 5
- 229940074393 chlorogenic acid Drugs 0.000 claims description 5
- FFQSDFBBSXGVKF-KHSQJDLVSA-N chlorogenic acid Natural products O[C@@H]1C[C@](O)(C[C@@H](CC(=O)C=Cc2ccc(O)c(O)c2)[C@@H]1O)C(=O)O FFQSDFBBSXGVKF-KHSQJDLVSA-N 0.000 claims description 5
- BMRSEYFENKXDIS-KLZCAUPSSA-N cis-3-O-p-coumaroylquinic acid Natural products O[C@H]1C[C@@](O)(C[C@@H](OC(=O)C=Cc2ccc(O)cc2)[C@@H]1O)C(=O)O BMRSEYFENKXDIS-KLZCAUPSSA-N 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 235000002639 sodium chloride Nutrition 0.000 claims description 5
- 238000000265 homogenisation Methods 0.000 claims 4
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 240000007154 Coffea arabica Species 0.000 description 44
- 239000000835 fiber Substances 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 238000007873 sieving Methods 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 241000222122 Candida albicans Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 229940095731 candida albicans Drugs 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
-
- 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
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static 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
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention provides a large biological nylon fiber containing coffee active ingredients and a preparation method thereof, wherein the preparation method comprises the steps of preparing a loading agent, dissolving a coffee extract, preparing a functional agent, preparing a functional master batch, preparing a modified functional master batch and spinning; the preparation of the loading agent comprises the steps of preparing a premix and mixing; the preparation method comprises the steps of firstly carrying out microwave treatment on bentonite and nano silicon dioxide, then carrying out liquid nitrogen ball milling treatment, and controlling the temperature of the liquid nitrogen ball mill to be-160 to-156 ℃ to prepare a premix; the mixing step comprises mixing the premix and modified Maifanitum uniformly, and performing high-frequency electromagnetic oscillation treatment with oscillation frequency of 10-14MHz for 6-8min and maximum current density of 12-16A/cm 2 Completion ofThe step of mixing is carried out to prepare a loading agent; the prepared large biological nylon fiber containing the coffee active ingredient has good immobilization effect, excellent antibacterial performance after multiple times of washing, and good heat resistance, light resistance and antistatic performance.
Description
Technical Field
The invention relates to the field of nylon fibers, in particular to a large biological nylon fiber containing coffee active ingredients and a preparation method thereof.
Background
Nylon fiber is also called polyamide fiber, is the first synthetic fiber in the world, has wide application, is a good material for replacing metals such as steel, iron, copper and the like with plastic, and is an important engineering plastic.
The nylon fiber has better wear resistance and strength performance, but has the defects of poor heat resistance and light resistance, poor retention and poor antistatic performance.
The coffee plant mainly contains saccharide, protein, fat, vitamins, minerals and organic acids; it is found that coffee has antibacterial effect and is used for treating diabetes, cardiovascular diseases, hypertension, cancer and reducing death rate.
In the prior art, in the preparation process of nylon fibers, coffee extracts are loaded into holes of porous materials so as to improve the antibacterial performance of the fibers; however, researchers find that the compatibility of the effective components of the coffee with the nylon fibers is poor, and the coffee is easy to elute after multiple times of washing;
researchers also found that the nylon fiber containing the coffee extract prepared by the prior art still has poor heat resistance and light resistance, and the defect of poor antistatic property is not overcome.
Therefore, the large biological nylon fiber containing the coffee active ingredient prepared by the prior art has the following problems:
1. the immobilization effect is not ideal, and the washing is easy to be eluted after multiple times of washing, so that the use requirement cannot be met;
2. the prepared fiber has poor heat resistance and light resistance and poor antistatic property.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the large biological nylon fiber containing the coffee active ingredient and the preparation method thereof, which have good immobilization effect, are not easy to elute after multiple times of washing, and have excellent heat resistance, light resistance and antistatic performance.
In order to solve the technical problems, the invention adopts the following technical scheme:
1. preparation of the supporting agent
(1) Preparation of premix
The preparation method of the loading agent comprises the steps of firstly carrying out microwave treatment on bentonite and nano silicon dioxide, wherein the microwave power is 1600-1800MHz, the microwave time is 58-62s, then carrying out liquid nitrogen ball milling treatment, controlling the temperature of a liquid nitrogen ball mill to be-160-156 ℃, controlling the ball-material ratio to be 6-10:1, the rotating speed to be 160-200rpm and the ball milling time to be 13-17min, and preparing a premix;
the mass ratio of the bentonite to the nano silicon dioxide is 1:0.5-2;
the bentonite is a mixture of sodium bentonite and calcium bentonite, and the mass ratio of the sodium bentonite to the calcium bentonite is 1:0.5-2;
(2) Mixing material
Mixing the premix and modified Maifanitum uniformly, and performing high-frequency electromagnetic oscillation treatment with oscillation frequency of 10-14MHz and oscillation time of 6-8min, and maximum current density of 12-16A/cm 2 Completing the mixing step to prepare a loading agent;
the mass ratio of the modified medical stone to the premix is 1.8-2.2:1;
the preparation method of the modified medical stone comprises primary modification, secondary modification and tertiary modification;
a. one-time modification
Calcining Maifanitum powder in muffle furnace for 1.8-2.2 hr at 280-320 deg.C, standing at 1.4-1.8 deg.C for 28-32min, naturally recovering to room temperature, and finishing one-step modification;
sieving the medical stone powder with a 800-mesh sieve;
b. secondary modification
Soaking the medical stone powder subjected to primary modification in 8-12 times of hydrochloric acid solution for 3.3-3.7h, washing and drying, adding aluminum oxide, calcining at 280-320 ℃ for 0.8-1.2h, heating to 355-365 ℃ at a speed of 1.5-2.5 ℃/min, calcining for 1.4-1.6h, and naturally cooling to room temperature to finish the secondary modification step;
the mass concentration of the hydrochloric acid solution is 23-28%;
the mass ratio of the medical stone powder to the alumina after the primary modification is 2.4-2.6:1;
c. three times of modification
Adding pentaerythritol, sodium dodecyl sulfate and polyethylene glycol into the medical stone powder subjected to secondary modification, stirring for 3.8-4.2h at 670-720rpm and 78-83 ℃, and finally drying to finish three modification steps to obtain modified medical stone powder;
the mass ratio of the medical stone powder, pentaerythritol, sodium dodecyl sulfate and polyethylene glycol after secondary modification is 100:1.4-1.6:1.2-1.5:1.8-2.2.
2. Coffee extract dissolution
Mixing the coffee extract with 18-22 times of deionized water, and stirring at 1100-1250rpm for 18-22min to obtain coffee extract solution;
the coffee extract is sieved by a 800-mesh sieve, the chlorogenic acid content is 61.5-62.4%, and the caffeine content is 3.3-3.5%.
3. Preparation of functional agents
Mixing the supporting agent with coffee extract solution, heating to 58-62deg.C, controlling stirring speed to 970-1030rpm, and stirring for 24-28min to obtain functional agent;
the mass ratio of the loading agent to the coffee extract solution is 1:6-8.
4. Preparation of functional masterbatch
Mixing nylon slices, a functional agent, zinc stearate, magnesium stearate and butyl hydroxy anisole, adding into a double-screw extruder, controlling the melting temperature to be 256-260 ℃, carrying out melt blending for 40-44min, and carrying out extrusion granulation at the screw speed of 236-240rpm to obtain functional master batches;
the mass ratio of the chinlon slices to the functional agents to the zinc stearate to the magnesium stearate to the butyl hydroxy anisole is 100:4.3-4.6:2.9-3.1:2.8-3.2:4.8-5.1.
5. Preparing modified functional master batch
Placing the functional master batch into 4-6 times volume of impregnating solution, heating to 96-100 ℃ at the speed of 1.4-1.6 ℃/min, impregnating for 6-10min, cooling to 68-72 ℃ at the speed of 0.4-0.6 ℃/min, impregnating for 23-27min, placing into a vacuum homogenizer for homogenizing treatment, filtering, washing and drying after vacuum homogenizing is finished to obtain modified functional master batch;
the homogenizing treatment is carried out for 4-6min, the homogenizing vacuum degree is 17-22Kpa, the rotating speed is 1740-1860rpm, and the homogenizing times are 3 times;
the impregnating solution comprises phytic acid, algal polysaccharide, sodium chloride, microcrystalline cellulose, sodium carboxymethyl cellulose and deionized water;
the mass ratio of the phytic acid, the algal polysaccharide, the sodium chloride, the microcrystalline cellulose, the sodium carboxymethyl cellulose, the octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate and the deionized water is 0.8-1.1:1.2-1.4:2-2.2:8-12:3-5:0.6-0.8:57-62.
6. Spinning process
Spinning the modified functional master batch at 248-252 ℃ and 1770-1830m/min to obtain the large biological nylon fiber containing coffee active ingredients.
Compared with the prior art, the invention has the beneficial effects that:
1. the antibacterial rate of the prepared large biological nylon fiber containing the coffee active ingredient for staphylococcus aureus is 93.9-94.8%, and the antibacterial rate for candida albicans is 93.4-93.7%; after 50 times of standard washing, the antibacterial rate for staphylococcus aureus is 88.2-89.6%, and the antibacterial rate for candida albicans is 86.9-88.4%;
2. the prepared large biological nylon fiber containing the coffee active ingredient has the breaking strength of 12.2-12.8cN/dtex and the breaking elongation of 38.8-40.7%; standing for 7d at 60 ℃ and 75% humidity, wherein the breaking strength is 11.8-12.5cN/dtex, and the breaking elongation is 37.4-39.9%; the ultraviolet irradiation intensity is 600W/m 2 Irradiation ofAfter 6 hours, the breaking strength is 10.9-11.7cN/dtex, and the breaking elongation is 31.8-35.8%;
3. the prepared large biological nylon fiber containing the coffee active ingredient has excellent antistatic performance and surface resistivity of 2.5-2.8x10 7 。
Detailed Description
For a clearer understanding of the technical features, objects and effects of the present invention, specific embodiments of the present invention will be described.
Example 1A coffee-containing active ingredient macrobioson fiber and method for producing the same
1. Preparation of the supporting agent
(1) Preparation of premix
The preparation method of the loading agent comprises the steps of firstly carrying out microwave treatment on bentonite and nano silicon dioxide, wherein the microwave power is 1700MHz, the microwave time is 60s, then carrying out liquid nitrogen ball milling treatment, controlling the temperature of the liquid nitrogen ball mill to be minus 158 ℃, controlling the ball-material ratio to be 8:1, the rotating speed to be 180rpm, and the ball milling time to be 15min, thus obtaining a premix;
the mass ratio of the bentonite to the nano silicon dioxide is 1:1, a step of;
the bentonite is a mixture of sodium bentonite and calcium bentonite, and the mass ratio of the sodium bentonite to the calcium bentonite is 1:1;
(2) Mixing material
Mixing the premix and modified Maifanitum uniformly, and performing high-frequency electromagnetic oscillation treatment with oscillation frequency of 12MHz and oscillation time of 7min, and maximum current density of 14A/cm 2 Completing the mixing step to prepare a loading agent;
the mass ratio of the modified medical stone to the premix is 2:1;
the preparation method of the modified medical stone comprises primary modification, secondary modification and tertiary modification;
a. one-time modification
Calcining Maifanitum powder in muffle furnace for 2 hr at 320 deg.C, standing at 1.6deg.C for 30min, naturally recovering to room temperature, and finishing primary modification;
sieving the medical stone powder with a 800-mesh sieve;
b. secondary modification
Soaking the medical stone powder subjected to primary modification in hydrochloric acid solution with the volume of 10 times for 3.5 hours, washing and drying, adding aluminum oxide, calcining for 1 hour at 300 ℃, heating to 360 ℃ at the speed of 2 ℃/min, calcining for 1.5 hours, and naturally cooling to room temperature to finish the secondary modification step;
the mass concentration of the hydrochloric acid solution is 25%;
the mass ratio of the medical stone powder to the alumina after the primary modification is 2.5:1;
c. three times of modification
Adding pentaerythritol, sodium dodecyl sulfate and polyethylene glycol into the medical stone powder subjected to secondary modification, stirring for 4 hours at the stirring speed of 700rpm and the stirring temperature of 80 ℃, and finally drying to finish the three modification steps to obtain modified medical stone powder;
the mass ratio of the medical stone powder after the secondary modification to the pentaerythritol to the sodium dodecyl sulfate to the polyethylene glycol is 100:1.5:1.3:2.
2. Coffee extract dissolution
Mixing the coffee extract with deionized water of 20 times volume, controlling stirring speed to 1200rpm, and stirring for 20min to obtain coffee extract solution;
the coffee extract is sieved by a 800-mesh sieve, the chlorogenic acid content is 62%, and the caffeine content is 3.4%.
3. Preparation of functional agents
Mixing the loading agent with the coffee extract solution, heating to 60deg.C, controlling stirring speed to 1000rpm, and stirring for 26min to obtain functional agent;
the mass ratio of the loading agent to the coffee extract solution is 1:7.
4. Preparation of functional masterbatch
Mixing nylon slices, a functional agent, zinc stearate, magnesium stearate and butyl hydroxy anisole, adding into a double-screw extruder, controlling the melting temperature to 258 ℃, carrying out melt blending for 42min, and carrying out extrusion granulation at the screw speed of 238rpm to obtain functional master batch;
the mass ratio of the chinlon slices to the functional agents to the zinc stearate to the magnesium stearate to the butyl hydroxy anisole is 100:4.5:3:3: 5.
5. preparing modified functional master batch
Placing the functional master batch in impregnating solution with the volume of 5 times, heating to 98 ℃ at the speed of 1.5 ℃/min, impregnating for 8min, then cooling to 70 ℃ at the speed of 0.5 ℃/min, impregnating for 25min, placing in a vacuum homogenizer for homogenizing treatment, filtering, washing and drying after the vacuum homogenizing is finished to obtain the modified functional master batch;
the homogenizing treatment is carried out for 5min, the homogenizing vacuum degree is 20Kpa, the rotating speed is 1800rpm, and the homogenizing times are 3 times;
the impregnating solution comprises phytic acid, algal polysaccharide, sodium chloride, microcrystalline cellulose, sodium carboxymethyl cellulose and deionized water;
the mass ratio of the phytic acid, the algal polysaccharide, the sodium chloride, the microcrystalline cellulose, the sodium carboxymethyl cellulose, the octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate and the deionized water is 1:1.3:2.1:10:4:0.7:60.
6. Spinning process
Spinning the modified functional master batch at the spinning temperature of 250 ℃ and the spinning speed of 1800m/min to obtain the large biological nylon fiber containing the coffee active ingredient.
Example 2A macrobiosurful chinlon fiber containing coffee active ingredient and method for preparing the same
1. Preparation of the supporting agent
(1) Preparation of premix
The preparation method of the loading agent comprises the steps of firstly carrying out microwave treatment on bentonite and nano silicon dioxide, wherein the microwave power is 1800MHz, the microwave time is 58s, then carrying out liquid nitrogen ball milling treatment, controlling the temperature of the liquid nitrogen ball milling machine to be-160 ℃, controlling the ball-material ratio to be 10:1, the rotating speed to be 200rpm and the ball milling time to be 13min, and preparing a premix;
the mass ratio of the bentonite to the nano silicon dioxide is 1:0.5;
the bentonite is a mixture of sodium bentonite and calcium bentonite, and the mass ratio of the sodium bentonite to the calcium bentonite is 1:0.5;
(2) Mixing material
Mixing the premix and modified Maifanitum uniformly, and performing high-frequency electromagnetic oscillation treatment with oscillation frequency of 14MHz and oscillation time of 6min, and maximum current density of 16A/cm 2 Completing the mixing step to prepare a loading agent;
the mass ratio of the modified medical stone to the premix is 2.2:1;
the preparation method of the modified medical stone comprises primary modification, secondary modification and tertiary modification;
a. one-time modification
Calcining Maifanitum powder in muffle furnace for 2.2 hr at 300 deg.C, immediately standing at 1.8deg.C for 28min, naturally recovering to room temperature, and finishing primary modification;
sieving the medical stone powder with a 800-mesh sieve;
b. secondary modification
Soaking the medical stone powder subjected to primary modification in hydrochloric acid solution with the volume of 12 times for 3.3 hours, washing and drying, adding aluminum oxide, calcining at 320 ℃ for 0.8 hour, heating to 365 ℃ at the speed of 2.5 ℃/min, calcining for 1.4 hours, and naturally cooling to room temperature to finish the secondary modification step;
the mass concentration of the hydrochloric acid solution is 28%;
the mass ratio of the medical stone powder to the alumina after the primary modification is 2.6:1;
c. three times of modification
Adding pentaerythritol, sodium dodecyl sulfate and polyethylene glycol into the medical stone powder subjected to secondary modification, stirring for 4.2 hours at 670rpm and 83 ℃, and finally drying to finish the three modification steps to obtain modified medical stone powder;
the mass ratio of the medical stone powder, the pentaerythritol, the sodium dodecyl sulfate and the polyethylene glycol after the secondary modification is 100:1.6:1.5:2.2.
2. Coffee extract dissolution
Mixing the coffee extract with 22 times of deionized water, controlling stirring speed to 1250rpm, and stirring for 18min to obtain coffee extract solution;
the coffee extract is sieved by a 800-mesh sieve, the chlorogenic acid content is 62.4%, and the caffeine content is 3.3%.
3. Preparation of functional agents
Mixing the loading agent with the coffee extract solution, heating to 62 ℃, controlling the stirring speed to 1030rpm, and stirring for 24min to obtain the functional agent;
the mass ratio of the loading agent to the coffee extract solution is 1:8.
4. Preparation of functional masterbatch
Mixing nylon slices, a functional agent, zinc stearate, magnesium stearate and butyl hydroxy anisole, adding into a double-screw extruder, controlling the melting temperature to 260 ℃, carrying out melt blending for 40min, and carrying out extrusion granulation at the screw speed of 240rpm to obtain functional master batch;
the mass ratio of the chinlon slices to the functional agents to the zinc stearate to the magnesium stearate to the butyl hydroxy anisole is 100:4.6:3.1:3.2:4.8.
5. preparing modified functional master batch
Placing the functional master batch in an impregnating solution with the volume of 6 times, heating to 100 ℃ at the speed of 1.6 ℃/min, impregnating for 6min, then cooling to 72 ℃ at the speed of 0.6 ℃/min, impregnating for 23min, placing in a vacuum homogenizer for homogenizing treatment, filtering, washing and drying after the vacuum homogenizing is finished to obtain the modified functional master batch;
the homogenizing treatment is carried out for 6min, the homogenizing vacuum degree is 17Kpa, the rotating speed is 1740rpm, and the homogenizing times are 3 times;
the impregnating solution comprises phytic acid, algal polysaccharide, sodium chloride, microcrystalline cellulose, sodium carboxymethyl cellulose and deionized water;
the mass ratio of the phytic acid, the algal polysaccharide, the sodium chloride, the microcrystalline cellulose, the sodium carboxymethyl cellulose, the octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate and the deionized water is 1.1:1.4:2:12:3:0.8:62.
6. Spinning process
Spinning the modified functional master batch at 248 ℃ and 1830m/min to obtain the large biological nylon fiber containing the coffee active ingredient.
Example 3A coffee-containing active ingredient macrobioson fiber and method for producing the same
1. Preparation of the supporting agent
(1) Preparation of premix
The preparation method of the loading agent comprises the steps of firstly carrying out microwave treatment on bentonite and nano silicon dioxide, wherein the microwave power is 1600MHz, the microwave time is 62s, then carrying out liquid nitrogen ball milling treatment, controlling the temperature of the liquid nitrogen ball milling machine to be-156 ℃, controlling the ball-material ratio to be 6:1, the rotating speed to be 160rpm, and the ball milling time to be 17min, thus obtaining a premix;
the mass ratio of the bentonite to the nano silicon dioxide is 1:2;
the bentonite is a mixture of sodium bentonite and calcium bentonite, and the mass ratio of the sodium bentonite to the calcium bentonite is 1:2;
(2) Mixing material
Mixing the premix and modified Maifanitum uniformly, and performing high-frequency electromagnetic oscillation treatment with oscillation frequency of 10MHz and oscillation time of 8min, and maximum current density of 12A/cm 2 Completing the mixing step to prepare a loading agent;
the mass ratio of the modified medical stone to the premix is 1.8:1;
the preparation method of the modified medical stone comprises primary modification, secondary modification and tertiary modification;
a. one-time modification
Calcining Maifanitum powder in muffle furnace for 1.8 hr at 280 deg.C, standing at 1.4deg.C for 32min, naturally recovering to room temperature, and finishing primary modification;
sieving the medical stone powder with a 800-mesh sieve;
b. secondary modification
Soaking the medical stone powder subjected to primary modification in 8 times of hydrochloric acid solution for 3.7 hours, washing and drying, adding aluminum oxide, calcining at 280 ℃ for 1.2 hours, heating to 355 ℃ at a speed of 1.5 ℃/min, calcining for 1.6 hours, and naturally cooling to room temperature to finish the secondary modification step;
the mass concentration of the hydrochloric acid solution is 23%;
the mass ratio of the medical stone powder to the alumina after the primary modification is 2.4:1;
c. three times of modification
Adding pentaerythritol, sodium dodecyl sulfate and polyethylene glycol into the medical stone powder subjected to secondary modification, stirring for 3.8 hours at the stirring speed of 720rpm and the stirring temperature of 78 ℃, and finally drying to finish the three modification steps to obtain modified medical stone powder;
the mass ratio of the medical stone powder, the pentaerythritol, the sodium dodecyl sulfate and the polyethylene glycol after the secondary modification is 100:1.4:1.2:1.8.
2. Coffee extract dissolution
Mixing the coffee extract with 18 times of deionized water, controlling stirring speed to 1100rpm, and stirring for 22min to obtain coffee extract solution;
the coffee extract is sieved by a 800-mesh sieve, the chlorogenic acid content is 61.5%, and the caffeine content is 3.5%.
3. Preparation of functional agents
Mixing the loading agent with the coffee extract solution, heating to 58 ℃, controlling the stirring speed to 970rpm, and stirring for 28min to obtain the functional agent;
the mass ratio of the loading agent to the coffee extract solution is 1:6.
4. Preparation of functional masterbatch
Mixing nylon slices, a functional agent, zinc stearate, magnesium stearate and butyl hydroxy anisole, adding into a double-screw extruder, controlling the melting temperature to be 256 ℃, carrying out melt blending for 44min, and carrying out extrusion granulation at the screw speed of 236rpm to obtain functional master batch;
the mass ratio of the chinlon slices to the functional agents to the zinc stearate to the magnesium stearate to the butyl hydroxy anisole is 100:4.3:2.9:2.8:5.1.
5. preparing modified functional master batch
Placing the functional master batch in an impregnating solution with the volume being 4 times that of the functional master batch, heating to 96 ℃ at the speed of 1.4 ℃/min, impregnating for 10min, then cooling to 68 ℃ at the speed of 0.4 ℃/min, impregnating for 27min, placing in a vacuum homogenizer for homogenizing treatment, filtering, washing and drying after the vacuum homogenizing treatment is finished to obtain the modified functional master batch;
the homogenizing treatment is carried out for 4min, the homogenizing vacuum degree is 22Kpa, the rotating speed is 1860rpm, and the homogenizing times are 3 times;
the impregnating solution comprises phytic acid, algal polysaccharide, sodium chloride, microcrystalline cellulose, sodium carboxymethyl cellulose and deionized water;
the mass ratio of the phytic acid, the algal polysaccharide, the sodium chloride, the microcrystalline cellulose, the sodium carboxymethyl cellulose, the octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate and the deionized water is 0.8:1.2:2.2:8:5:0.6:57.
6. Spinning process
Spinning the modified functional master batch at 252 ℃ and at 1770m/min to obtain the large biological nylon fiber containing the coffee active ingredient.
Comparative example 1
On the basis of the embodiment 1, the method is changed in that the step of preparing the loading agent is to uniformly mix bentonite, nano silicon dioxide and modified medical stone, wherein the mass ratio of the modified medical stone to the bentonite to the nano silicon dioxide is 2:0.5:0.5, and the rest operations are the same.
Comparative example 2
On the basis of the embodiment 1, the modification step of the medical stone is omitted, the untreated medical stone is directly adopted, and the rest operations are the same.
Comparative example 3
The modification step of the functional master batch is omitted and the rest operations are the same on the basis of the embodiment 1 except that the functional master batch is directly adopted for spinning.
Performance detection
(1) Antibacterial property
(2) High temperature resistance and light resistance
(3) Antistatic property
The percentages used in the present invention are mass percentages unless otherwise indicated.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The preparation method of the large biological chinlon containing the coffee active ingredients is characterized by comprising the steps of preparing a loading agent, dissolving a coffee extract, preparing a functional agent, preparing a functional master batch, preparing a modified functional master batch and spinning;
the preparation of the loading agent comprises the steps of preparing a premix and mixing;
firstly, carrying out microwave treatment on bentonite and nano silicon dioxide, wherein the microwave power is 1600-1800MHz, the microwave time is 58-62s, then carrying out liquid nitrogen ball milling treatment, controlling the temperature of a liquid nitrogen ball mill to be-160-156 ℃, controlling the ball-material ratio to be 6-10:1, the rotating speed to be 160-200rpm, and the ball milling time to be 13-17min, thus obtaining the premix;
the mixing step comprises mixing the premix and modified Maifanitum uniformly, and performing high-frequency electromagnetic oscillation treatment with oscillation frequency of 10-14MHz for 6-8min and maximum current density of 12-16A/cm 2 Completing the mixing step to prepare a loading agent;
the preparation method of the modified functional master batch comprises the steps of placing the functional master batch in impregnating solution with the volume of 4-6 times, heating to 96-100 ℃ at the speed of 1.4-1.6 ℃/min, impregnating for 6-10min, cooling to 68-72 ℃ at the speed of 0.4-0.6 ℃/min, impregnating for 23-27min, homogenizing in a vacuum homogenizer, filtering, washing and drying to obtain the modified functional master batch after vacuum homogenization is finished;
the impregnating solution comprises phytic acid, algal polysaccharide, sodium chloride, microcrystalline cellulose, sodium carboxymethyl cellulose and deionized water.
2. The method for preparing the large biological nylon fiber containing the coffee active ingredient according to claim 1, wherein,
the preparation method of the modified medical stone comprises primary modification, secondary modification and tertiary modification;
the primary modification step is that medical stone powder is placed in a muffle furnace for calcination for 1.8-2.2h, the calcination temperature is 280-320 ℃, the calcined medical stone powder is immediately placed in an environment of 1.4-1.8 ℃ for 28-32min after the calcination is completed, and the medical stone powder is naturally restored to room temperature, so that the primary modification step is completed;
the secondary modification step is that medical stone powder after primary modification is placed in hydrochloric acid solution with the volume of 8-12 times to be soaked for 3.3-3.7 hours, alumina is added after washing and drying, then the mixture is calcined for 0.8-1.2 hours at the temperature of 280-320 ℃, the mixture is heated to 355-365 ℃ at the speed of 1.5-2.5 ℃/min to be calcined for 1.4-1.6 hours, and the mixture is naturally cooled to room temperature, so that the secondary modification step is completed;
the three-time modification step is to add pentaerythritol, sodium dodecyl sulfate and polyethylene glycol into the medical stone powder after the two-time modification, stir for 3.8-4.2h, the stirring speed is 670-720rpm, the stirring temperature is 78-83 ℃, and finally dry to complete the three-time modification step, thus obtaining the modified medical stone powder.
3. The method for preparing the large biological nylon fiber containing the coffee active ingredient according to claim 2, wherein,
in the primary modification step, the medical stone powder is sieved by a 800-mesh sieve;
in the secondary modification step, the mass concentration of the hydrochloric acid solution is 23-28%;
the mass ratio of the medical stone powder to the alumina after the primary modification is 2.4-2.6:1;
in the three-time modification step, the mass ratio of the medical stone powder, pentaerythritol, sodium dodecyl sulfate and polyethylene glycol after the secondary modification is 100:1.4-1.6:1.2-1.5:1.8-2.2.
4. The method for preparing the large biological nylon fiber containing the coffee active ingredient according to claim 1, wherein,
the mass ratio of the bentonite to the nano silicon dioxide is 1:0.5-2;
the bentonite is a mixture of sodium bentonite and calcium bentonite, and the mass ratio of the sodium bentonite to the calcium bentonite is 1:0.5-2;
the mass ratio of the modified medical stone to the premix is 1.8-2.2:1.
5. The method for preparing the large biological nylon fiber containing the coffee active ingredient according to claim 1, wherein,
in the step of preparing the modified functional master batch, the homogenization treatment is carried out for 4-6min, the homogenization vacuum degree is 17-22Kpa, the rotating speed is 1740-1860rpm, and the homogenization times are 3 times;
the mass ratio of the phytic acid, the algal polysaccharide, the sodium chloride, the microcrystalline cellulose, the sodium carboxymethyl cellulose, the octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate and the deionized water is 0.8-1.1:1.2-1.4:2-2.2:8-12:3-5:0.6-0.8:57-62.
6. The method for preparing the large biological nylon fiber containing the coffee active ingredient according to claim 1, wherein,
the preparation method of the functional master batch comprises the steps of mixing nylon slices, a functional agent, zinc stearate, magnesium stearate and butyl hydroxy anisole, adding the mixture into a double-screw extruder, controlling the melting temperature to be 256-260 ℃, carrying out melt blending for 40-44min, controlling the screw rotating speed to be 236-240rpm, and carrying out extrusion granulation to obtain the functional master batch.
7. The method for preparing the large biological nylon fiber containing the coffee active ingredient according to claim 6, wherein,
the mass ratio of the chinlon slices to the functional agents to the zinc stearate to the magnesium stearate to the butyl hydroxy anisole is 100:4.3-4.6:2.9-3.1:2.8-3.2:4.8-5.1.
8. The method for preparing the large biological nylon fiber containing the coffee active ingredient according to claim 1, wherein,
the preparation method comprises mixing the loading agent with coffee extract solution, heating to 58-62deg.C, controlling stirring speed to 970-1030rpm, and stirring for 24-28min to obtain functional agent;
the mass ratio of the loading agent to the coffee extract solution is 1:6-8.
9. The method for preparing the large biological nylon fiber containing the coffee active ingredient according to claim 1, wherein,
the coffee extract dissolving step comprises mixing coffee extract with 18-22 times of deionized water, and stirring at 1100-1250rpm for 18-22min to obtain coffee extract solution;
the coffee extract is sieved by a 800-mesh sieve, the chlorogenic acid content is 61.5-62.4%, and the caffeine content is 3.3-3.5%.
10. The method for preparing the large biological nylon fiber containing the coffee active ingredient according to claim 1, wherein,
the spinning step is that the modified functional master batch is spun at 248-252 ℃ and at 1770-1830m/min to obtain the large biological nylon fiber containing coffee active ingredients.
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