CN115478333A - Antibacterial oriental cherry fiber and preparation method thereof - Google Patents
Antibacterial oriental cherry fiber and preparation method thereof Download PDFInfo
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- CN115478333A CN115478333A CN202210553106.9A CN202210553106A CN115478333A CN 115478333 A CN115478333 A CN 115478333A CN 202210553106 A CN202210553106 A CN 202210553106A CN 115478333 A CN115478333 A CN 115478333A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 41
- 241000392970 Prunus serrulata Species 0.000 title claims abstract description 36
- 235000014001 Prunus serrulata Nutrition 0.000 title claims abstract description 36
- 239000000835 fiber Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 241000167854 Bourreria succulenta Species 0.000 claims abstract description 54
- 235000019693 cherries Nutrition 0.000 claims abstract description 54
- 239000000284 extract Substances 0.000 claims abstract description 51
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 43
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 7
- 229920002678 cellulose Polymers 0.000 claims description 28
- 239000001913 cellulose Substances 0.000 claims description 28
- 239000002608 ionic liquid Substances 0.000 claims description 17
- 229920001661 Chitosan Polymers 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 8
- 239000004627 regenerated cellulose Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- OSDWBNJEKMUWAV-UHFFFAOYSA-N Allyl chloride Chemical compound ClCC=C OSDWBNJEKMUWAV-UHFFFAOYSA-N 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 5
- 239000000341 volatile oil Substances 0.000 claims description 5
- XIYUIMLQTKODPS-UHFFFAOYSA-M 1-ethyl-3-methylimidazol-3-ium;acetate Chemical compound CC([O-])=O.CC[N+]=1C=CN(C)C=1 XIYUIMLQTKODPS-UHFFFAOYSA-M 0.000 claims description 4
- FHDQNOXQSTVAIC-UHFFFAOYSA-M 1-butyl-3-methylimidazol-3-ium;chloride Chemical compound [Cl-].CCCCN1C=C[N+](C)=C1 FHDQNOXQSTVAIC-UHFFFAOYSA-M 0.000 claims description 3
- BSKSXTBYXTZWFI-UHFFFAOYSA-M 1-butyl-3-methylimidazol-3-ium;acetate Chemical compound CC([O-])=O.CCCC[N+]=1C=CN(C)C=1 BSKSXTBYXTZWFI-UHFFFAOYSA-M 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical class CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Chemical class 0.000 claims description 2
- 239000004354 Hydroxyethyl cellulose Chemical class 0.000 claims description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 2
- 235000010981 methylcellulose Nutrition 0.000 claims description 2
- 102000004190 Enzymes Human genes 0.000 abstract description 5
- 108090000790 Enzymes Proteins 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical group CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 12
- 239000003995 emulsifying agent Substances 0.000 description 9
- 239000003431 cross linking reagent Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 description 6
- 235000011152 sodium sulphate Nutrition 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006196 deacetylation Effects 0.000 description 2
- 238000003381 deacetylation reaction Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- -1 fatty alcohol sulfate esters Chemical class 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- ZXLOSLWIGFGPIU-UHFFFAOYSA-N 1-ethyl-3-methyl-1,2-dihydroimidazol-1-ium;acetate Chemical compound CC(O)=O.CCN1CN(C)C=C1 ZXLOSLWIGFGPIU-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 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
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to D01F2/08, in particular to an antibacterial oriental cherry fiber and a preparation method thereof. The method comprises the following raw materials: oriental cherry extract and natural cellulose fiber; the mass ratio of the cherry blossom extract to the natural cellulose fiber is (5-20): 100. the antibacterial cherry blossom fiber prepared by the invention has higher content of cherry blossom enzymes and antibacterial property, has extremely excellent mechanical property, and effectively reduces the production cost.
Description
Technical Field
The invention relates to D01F2/08, in particular to an antibacterial oriental cherry fiber and a preparation method thereof.
Background
With the development of society, people have higher and higher requirements on fibers, and gradually develop towards multi-functionalization. Most natural cellulose fibers have the advantages of good moisture absorption and air permeability and the like, but are limited by the properties of the natural cellulose fibers, have poor mechanical properties and poor antibacterial property, and do not meet the pursuit of people for fiber multipotency.
Patent CN201811477937.2 discloses an essential oil-containing regenerated cellulose fiber and a preparation method thereof, wherein the regenerated cellulose fiber prepared from an essential oil suspension and a specific cellulose glue solution has extremely excellent mechanical properties, and has lasting fragrance, but has low antibacterial property and weak functionality.
Patent CN201910717395.X multifunctional plant regenerated cellulose fiber and its preparation method regenerated cellulose fiber prepared by treating multiple plant extracts has excellent performances such as good antibacterial effect and good water washing resistance, but the method is complex in preparation, high in cost and not suitable for large-scale production.
Disclosure of Invention
In order to solve the technical problems, the invention provides an antibacterial cherry fiber in a first aspect, which comprises the following raw materials: oriental cherry extract and natural cellulose fiber; the cherry blossom extract and the natural cellulose fiber are in a mass ratio of (5-20): 100.
further preferably, the mass ratio of the cherry blossom extract to the natural cellulose fiber is (10-15): 100.
preferably, the cherry extract is cherry essential oil.
Preferably, the cherry blossom extract is pre-treated to obtain a pre-treated cherry blossom extract before mixing with natural cellulose fibers.
Preferably, the pretreated oriental cherry extract is prepared from the following raw materials: oriental cherry extract, cellulose derivative, and chitosan; wherein the cherry blossom extract has the mass: the total mass of the cellulose derivative and the chitosan is (45-70): 100.
preferably, the cellulose derivative includes at least one of a methylated cellulose derivative, a carboxymethyl cellulose derivative, an ethyl cellulose derivative, a hydroxyethyl cellulose derivative, and a hydroxypropyl cellulose.
Further preferably, the cellulose derivative is a carboxymethyl cellulose derivative.
Preferably, the carboxymethyl cellulose derivative is sodium carboxymethyl cellulose.
Preferably, the cellulose derivative has a degree of substitution of 0.7 to 0.9.
Preferably, the cellulose derivative has a viscosity of 4000 to 5000 mPas at 25 ℃.
Preferably, the weight average molecular weight of the polyglucose is 8.5 x 10 5 -9.5*10 5 。
Preferably, the degree of deacetylation of the polyglucose is 82 to 90%.
Preferably, the mass ratio of the cellulose derivative to the chitosan is (1-1.5): (1-1.5).
According to the invention, the unexpected research shows that the cherry blossom extract is pretreated by the cellulose derivative and the chitosan, so that the washability and the stability of the cherry blossom extract can be effectively improved, the combination of the cherry blossom enzyme and the natural cellulose fiber can be promoted, and the antibacterial ability of the cherry blossom enzyme and the natural cellulose fiber can be further enhanced. Supposing because adopt ionic liquid to dissolve it in antibiotic cherry blossom fibre follow-up preparation process, lead to cherry blossom extract and its emergence charge interaction, influenced and natural cellulose fiber's combination, when carrying out the preliminary treatment to the cherry blossom extract through specific cellulose derivative and polyglucose, the electric charge that has on its molecular chain makes antibiotic cherry blossom fibre at the intermolecular repulsion weaken of preparation in-process, maintain the system balance, make the better combination of cherry blossom extract after the preliminary treatment and natural cellulose fiber, and then promote the increase of cherry blossom ferment content, the promotion of antibacterial property.
Preferably, the pretreated oriental cherry extract adopts raw materials which also comprise an emulsifier and a cross-linking agent.
Preferably, the emulsifier comprises at least one of stearic acid and derivatives thereof, fatty alcohol sulfate esters, polyol esters, and polyoxyethylene ethers.
Further preferably, the emulsifier is a propylene glycol block polyether.
Preferably, the HLB value of the propylene glycol block polyether is 12-14; a viscosity of 400-600cps at 25 deg.C; the average molecular weight is 2700-3200.
Preferably, the amount of the emulsifier is 7-8% of the total weight of the cherry blossom extract.
Preferably, the cross-linking agent comprises at least one of formaldehyde, glyoxal, glutaraldehyde and epichlorohydrin.
Preferably, the amount of the cross-linking agent is 0.4-0.7% of the total weight of the cherry blossom extract.
Preferably, the pretreatment process comprises the steps of: respectively preparing cellulose derivative and polyglucose into cellulose derivative-acetic acid solution and polyglucose-acetic acid solution, adjusting pH to 1-3, adding emulsifier, heating, stirring, and mixing; adding oriental cherry extract, and shearing at 8000-10000rpm/min for 20-30s; cooling to room temperature, adding equal volume of deionized water, stirring, mixing, adjusting pH to 3-3.5, adding crosslinking agent, reacting for 8-15min, adjusting pH to 3.5-4, heating in water bath for curing, standing, vacuum filtering, washing, and drying to obtain pretreated oriental cherry extract.
Preferably, the heating temperature is 48-57 ℃.
Preferably, the curing comprises two times of curing, wherein the one-time curing condition is 52-62 ℃ and the time is 0.4-0.6h; the secondary curing is carried out at 10-15 ℃ for 0.4-0.6h.
Preferably, the natural cellulose fibers are regenerated cellulose fibers.
Preferably, the degree of polymerization of the natural cellulose fibers is 600 to 700.
Preferably, the raw material for preparing the antibacterial oriental cherry fiber also comprises ionic liquid.
Preferably, the ionic liquid comprises at least one of 1-butyl-3-methyl imidazolium chloride, 1-ethyl-3-methyl imidazolium acetate, 1-butyl-3-methyl imidazolium acetate, and N-methyl-N-allyl morpholine hydrochloride.
More preferably, the ionic liquid is 1-ethyl-3-methylimidazolium acetate.
The invention has been unexpectedly found that the specific ionic liquid can effectively improve the preparation efficiency, save the economic cost, reduce the influence on the combination of the pretreated oriental cherry extract and the natural cellulose fiber, and improve the mechanical property and the antibacterial property of the oriental cherry extract. Presumably, the 1-ethyl-3-methylimidazolium acetate breaks hydrogen bonds in cellulose molecules and among cellulose molecules in the system, promotes dissolution of cellulose, improves preservation of an aggregation structure by regeneration of natural cellulose fibers, influences flowing and combination of the natural cellulose fibers and the pretreated cherry blossom extract in the system, promotes increase of content of antibacterial cherry blossom fibers and cherry blossom enzymes, improves antibacterial property, and enables the generated fibers to have good mechanical properties.
Preferably, the mass ratio of the ionic liquid to the natural cellulose fibers is 100: (3-7).
The second aspect of the invention provides a preparation method of an antibacterial cherry blossom fiber, which comprises the following steps: mixing ionic liquid and allyl chloride to obtain mixture, adding natural cellulose fiber into the mixture, heating to 50-70 deg.C, reacting for 3-5h, adding pretreated oriental cherry extract, stirring, mixing, and spinning.
Preferably, the mass ratio of the ionic liquid to the allyl chloride is 1: (1-2).
Preferably, the coagulating bath used in the spinning process is an aqueous sodium sulfate solution, and the mass fraction of sodium sulfate in the aqueous sodium sulfate solution is 8-12wt%.
Has the advantages that:
1) According to the invention, by controlling the content, the type and the like of each preparation raw material in the system and mutually matching each substance, the interaction between molecules of the system is effectively improved, so that the cherry blossom extract and the natural cellulose fiber are better combined, and the cherry blossom enzyme content and the antibacterial property are higher.
2) The antibacterial oriental cherry fiber prepared by the invention has high tensile strength, can effectively reduce the damage to the performance of natural cellulose fiber in the processing process, has extremely excellent mechanical property, and effectively reduces the production cost.
3) The antibacterial oriental cherry fiber prepared by the invention has fragrance, lasting antibacterial property, washing resistance and good temperature resistance.
Detailed Description
Examples
Example 1
An antibacterial oriental cherry fiber comprises the following raw materials: oriental cherry extract and natural cellulose fiber; the mass ratio of the cherry blossom extract to the natural cellulose fiber is 12:100.
the cherry blossom extract is cherry blossom essential oil. Purchased from Wuhan Hua Binfemie Biotech limited.
The cherry blossom extract is pretreated to obtain a pretreated cherry blossom extract before being mixed with natural cellulose fibers.
The pretreated oriental cherry extract adopts the following raw materials: oriental cherry extract, cellulose derivative, and chitosan; wherein the cherry blossom extract has the mass: the total mass of the cellulose derivative and the chitosan was 60:100.
the cellulose derivative is a carboxymethyl cellulose derivative. The carboxymethyl cellulose derivative is sodium carboxymethyl cellulose. The degree of substitution of the cellulose derivative was 0.85. The cellulose derivative has a viscosity of 4000 to 5000 mPas at 25 ℃. Purchased from Weifang Strength composite Limited, model: FVH6-A.
The weight average molecular weight of the polyglucose is 9.2 x 10 5 . The degree of deacetylation of the polyglucose was 86%. The chitosan was purchased from Shandong Onkang Biotech, inc.
The mass ratio of the cellulose derivative to the polyglucose is 1.2:1.2.
the pretreated oriental cherry extract adopts raw materials which also comprise an emulsifier and a cross-linking agent.
The emulsifier is propylene glycol block polyether. The HLB value of the propylene glycol block polyether is 13; a viscosity of 500cps at 25 ℃; the average molecular weight is 500. The dosage of the emulsifier accounts for 7.5 percent of the total mass of the cherry blossom extract.
The cross-linking agent is glutaraldehyde. The amount of the cross-linking agent is 0.5% of the total mass of the cherry blossom extract.
The pretreatment process comprises the following steps: respectively preparing cellulose derivative and chitosan into a cellulose derivative-acetic acid solution with the mass fraction of 3% and a chitosan-acetic acid solution with the mass fraction of 3%, adjusting the pH to 2, adding an emulsifier, heating, stirring and uniformly mixing; adding Oriental cherry flower extract, and shearing at 9000rpm/min for 27s; cooling to room temperature, adding isovolumetric deionized water, continuously stirring and mixing uniformly, then adjusting pH to 3.2, adding a cross-linking agent for reaction for 12min, adjusting pH to 3.7, heating and curing in water bath, standing, filtering, washing and drying to obtain the pretreated oriental cherry extract.
The temperature of the heating was 52 ℃. The curing comprises two times of curing, wherein the one-time curing condition is 56 ℃, and the time is 0.5h; the secondary curing condition is 13 ℃ and the time is 0.5h.
The natural cellulose fiber is regenerated cellulose fiber. The degree of polymerization of the natural cellulose fibers was 650. The regenerated cellulose fiber is cotton cellulose and is purchased from Shanghai-sourced leaf biotechnology limited company.
The raw materials for preparing the antibacterial oriental cherry fibers also comprise ionic liquid. The ionic liquid is acetic acid 1-ethyl-3-methyl imidazole salt. Purchased from Zhejiang Lande energy science and technology development Ltd. The mass ratio of the ionic liquid to the natural cellulose fibers is 100:4.
a preparation method of antibacterial oriental cherry fibers comprises the following steps: mixing ionic liquid and allyl chloride uniformly to obtain a mixture, adding natural cellulose fiber into the mixture, heating to 60 ℃ for reaction for 4h, adding the pretreated oriental cherry extract, stirring and mixing uniformly, and spinning to obtain the cherry extract.
The mass ratio of the ionic liquid to the allyl chloride is 1:1.5. the coagulating bath used in the spinning process is a sodium sulfate aqueous solution, and the mass fraction of sodium sulfate in the sodium sulfate aqueous solution is 10wt%.
Example 2
The specific implementation mode of the antibacterial oriental cherry fiber is the same as that in example 1, except that the mass ratio of oriental cherry extract to natural cellulose fiber is 10:100.
example 3
An antibacterial oriental cherry fiber is the same as that in example 1, except that the oriental cherry extract has the following quality: the total mass of the cellulose derivative and the chitosan was 45:100.
comparative example 1
The specific implementation mode of the antibacterial oriental cherry fiber is the same as that of example 1, except that the mass ratio of the cellulose derivative to the chitosan is 0.7:1.2.
comparative example 2
An antibacterial cherry blossom fiber, which is prepared in the same manner as in example 1, except that the antibacterial cherry blossom fiber is prepared from 1-butyl-3-methyl imidazolium chloride.
Performance test
1. And (3) antibacterial property test: the test was carried out according to FZ/T73023-2006 antibacterial knitwear.
2. And (3) testing the content of cherry ferment: the test was carried out by high performance liquid chromatography using an ultraviolet spectrophotometer.
Table 1 results of performance testing
Claims (10)
1. The antibacterial oriental cherry fiber is characterized by comprising the following raw materials: oriental cherry extract and natural cellulose fiber; the mass ratio of the cherry blossom extract to the natural cellulose fiber is (5-20): 100.
2. the antibacterial cherry blossom fiber according to claim 1, wherein the cherry blossom extract is cherry blossom essential oil.
3. The antibacterial cherry blossom fiber according to claim 1 or 2, wherein the cherry blossom extract is pretreated to obtain a pretreated cherry blossom extract before being mixed with the natural cellulose fiber.
4. The antibacterial cherry blossom fiber according to any one of claims 1 to 3, wherein the pretreated cherry blossom extract is prepared from the following raw materials: oriental cherry extract, cellulose derivative, and chitosan.
5. The antibacterial sakura fiber according to claim 4, wherein the cellulose derivative comprises at least one of methylated cellulose derivative, carboxymethyl cellulose derivative, ethyl cellulose derivative, hydroxyethyl cellulose derivative, hydroxypropyl cellulose.
6. The antibacterial cherry blossom fiber according to any one of claims 1 to 5, wherein the natural cellulose fiber is a regenerated cellulose fiber.
7. The antibacterial cherry blossom fiber according to any one of claims 1 to 5, wherein the fiber preparation raw material further comprises ionic liquid.
8. The antibacterial cherry blossom fiber according to claim 7, wherein the ionic liquid comprises at least one of 1-butyl-3-methyl imidazolium chloride, 1-ethyl-3-methyl imidazolium acetate, 1-butyl-3-methyl imidazolium acetate, and N-methyl-N-allyl-morpholine hydrochloride.
9. The antibacterial cherry blossom fiber according to claim 7 or 8, wherein the mass ratio of the ionic liquid to the natural cellulose fiber is 100: (3-7).
10. A method for preparing an antibacterial sakura fiber according to any one of claims 7-9, comprising the steps of: mixing ionic liquid and allyl chloride to obtain mixture, adding natural cellulose fiber into the mixture, heating to 50-70 deg.C, reacting for 3-5h, adding pretreated oriental cherry extract, stirring, mixing, and spinning.
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| Title |
|---|
| 吴国华总主编: "洗毛与染色", 中国纺织出版社, pages: 92 - 93 * |
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| CN115478333B (en) | 2024-01-02 |
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