CN106835343A - A kind of plants antimicrobial cellulose fibre and preparation method thereof and the medical water proof nonwoven cloth prepared using the fiber - Google Patents
A kind of plants antimicrobial cellulose fibre and preparation method thereof and the medical water proof nonwoven cloth prepared using the fiber Download PDFInfo
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- CN106835343A CN106835343A CN201710015260.XA CN201710015260A CN106835343A CN 106835343 A CN106835343 A CN 106835343A CN 201710015260 A CN201710015260 A CN 201710015260A CN 106835343 A CN106835343 A CN 106835343A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
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- 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
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/013—Regenerated cellulose series
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
- D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/142—Hydrophobic
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Abstract
The present invention provides a kind of plants antimicrobial cellulose fibre, and natural antibacterial plant extracts microcapsules are contained in the fiber.The present invention also provides a kind of preparation method of plants antimicrobial cellulose fibre, and methods described includes natural antibacterial plant extracts emulsified dispersed liquid preparation process；The natural antibacterial plant extracts emulsified dispersed liquid preparation process：By 58 parts of natural antibacterial plant extracts, 10 15 parts of peach gum solution, 52 60 DEG C are heated up to after mixing, stirring and emulsifying, mixing speed is 200 300r/min, emulsify dispersed particle particle diameter and be dissolved to 12 μm.Plants antimicrobial cellulose fibre prepared by the present invention, without any organic antibacterial agent and inorganic antiseptic, safety and environmental protection, and can be with natural degradation, with good social effect；Using special Microencapsulated Slow technology, the anti-bacterial fibre antibacterial effect of preparation is more longlasting.
Description
Technical field
The present invention relates to fabric manufacturing area, more particularly to a kind of plants antimicrobial cellulose fibre and preparation method thereof and profit
The medical water proof nonwoven cloth prepared with the fiber.
Background technology
Non-woven fabrics, also known as non-weaving cloth, is made up of fiber orient or random, is environment-friendly materials of new generation, tool
Have moistureproof, ventilative, flexible, light weight, not combustion-supporting, easy degraded, nontoxic nonirritant, rich color, it is cheap, recyclable again
The features such as using.As used polypropylene more（Pp materials）Pellet is raw material, is batched continuously through high-temperature fusion, spinneret, paving guiding principle, hot pressing
One-step production is formed.Cloth is called because of the outward appearance with cloth and some performances.
Non-woven fabrics is to be oriented or random alignment chopped fiber or long filament, formed fibre net structure, then using machinery,
The method such as hot rolling or chemistry is reinforced, the cloth without braiding for eventually forming.Antibacterial nonwoven cloth is one kind of non-woven fabrics, and it is in filtering
The fields such as material, wastewater treatment, amenities, medical supplies, chemical products are all widely used.Traditional antibacterial nonwoven cloth is most
Bonded together by adhesive by basic unit and antibiotic layer；However, this bonded structure can pollute because containing adhesive solvent
Material produces bad rear risk in itself and to sterilization.Structure is more complicated, and antibacterial effect can not meet the requirement of people.
The content of the invention
In view of the shortcomings of the prior art, the technical problem to be solved in the present invention is to provide a kind of plants antimicrobial cellulose fibre
And preparation method thereof and using the fiber prepare medical water proof nonwoven cloth, be that this technical solution adopted by the present invention is：
A kind of plants antimicrobial cellulose fibre and preparation method thereof and the medical water proof nonwoven cloth prepared using the fiber, including with
Lower step：
（1）It is prepared by natural antibacterial plant extracts emulsified dispersed liquid
The natural antibacterial plant extracts emulsified dispersed liquid, is processed by natural antibacterial plant extracts extract, peach gum solution
It is prepared from；
The natural antibacterial plant extracts, the consumption of peach gum solution are calculated in parts by weight；By natural antibacterial plant extracts
5-8 parts, 10-15 parts of peach gum solution, are heated up to 52-60 DEG C after mixing, stirring and emulsifying, mixing speed is 200-300r/min, is made
The emulsification of dispersed particle particle diameter is dissolved to 1-2 μm；Particle diameter is too big, easily blocks spinneret orifice, the too small easy loss of particle diameter；Obtain natural
Antibacterial plant extract emulsified dispersed liquid；
The peach gum solution, is, by peach gum water dissolves, to be prepared from；The content of the active ingredient of peach gum in the peach gum solution
It is 18-20%；
Described natural antibacterial plant extracts is extracted to have mint extract, isatis root extract, Leonurus extract, wormwood
One or more of thing；
The natural antibacterial plant extracts, brownish-yellow powder, 100% crosses 80 mesh sieves, and natural antibacterial plant extracts content is
60%, content of ashes≤3.2%, moisture≤3.8%, content of beary metal≤5ppm, lead content≤1ppm, arsenic content≤0.5
Ppm, mercury content≤0.4 ppm, total number of bacteria≤500cfu/g, total number of molds≤50 cfu/g, salmonella and Escherichia coli
Must not detect.
（2）Prepare natural antibacterial plant extracts gelatin solution
In step（1）The aqueous gelatin solution of 5-10% is added in the natural antibacterial plant extracts emulsified dispersed liquid of preparation, temperature is kept
Spend is 47-50 DEG C；If temperature is too high, cause the viscosity of solution low, the microcapsules of preparation do not allow easy-formation, influence microcapsules
Quality index, the feature for further resulting in fiber is affected；If temperature is too low, the viscosity of solution is high, the glue of preparation
Capsule will be uneven, produces clustering phenomena, most preferably 47 DEG C；Regulation pH value stops rising to 4.3-4.8 after there is aggregation
Temperature, and 30-60min is stirred continuously, speed of agitator is 280-310r/min, makes aggregation completely, with 1 DEG C per minute of speed
Degree, makes gelatin solution be cooled to 8-10 DEG C, and natural antibacterial plant extracts gelatin solution is obtained；
In institute's gelatin water solution, gelatin content is 22-25%；
In the natural antibacterial plant extracts gelatin solution, the content 6-8g/L of natural antibacterial plant extracts.
（3）Prepare natural antibacterial plant extracts microcapsules
To step（2）In the natural antibacterial plant extract gelatin solution of preparation, the NaOH that mass fraction is 10% is added, adjust gelatin
Liquid pH value is to 7.2-7.5；The regulation of pH value plays the role of important；PH is too high, then when capsule is separated out, particle diameter becomes big, influences fiber
Spinnability；PH is too small, then cause capsule to separate out relatively slow, influences preparation efficiency, while the embedding rate of capsule can be caused too low, embeds
Effect is bad, and plant extracts exposes in atmosphere, is oxidized easily, and influences the release timeliness of plant extracts, wherein gelatin
Liquid pH value is most preferably 7.2；Room temperature is kept, 30-40min, mixing speed 190r/min is stirred, until separating out, filtered, washed
Natural antibacterial plant extracts microcapsules.
Prepared natural antibacterial plant extracts microcapsules, particle diameter is 1.8-2.2 μm, sphericity and favorable dispersibility,
Embedding rate is 98.9%, and drugloading rate is 96.1-96.5%；The plant extracts microcapsules prepared using the method, release performance is more
Persistently, it is ensured that the more longlasting stabilization release of plant extracts.
（4）The preparation of natural antibacterial plant extracts microcapsule suspensions
By natural antibacterial plant extracts microcapsules 120-130g, the protective agent of 1.8-2.0% is added, be subsequently adding deionized water
1000-1200ml, adds the emulsifying agent of 10-12ml, prepares natural antibacterial plant extracts microcapsule suspensions.
The protective agent, is the mixed liquor of petroleum ether and absolute ethyl alcohol；The mass ratio of the petroleum ether and absolute ethyl alcohol
It is 1:2；
Above-mentioned protective agent, can protect the microcapsules of formation during follow-up acid, alkali, dissolution process, it is ensured that plant extract
Thing is not destroyed by reaction, influences the performance of the fiber of preparation.
The emulsifying agent, is triton x-100；
（5）Add dispersant
To the dispersant that 1.2% is added in above-mentioned natural antibacterial plant extracts microcapsule suspensions, it is uniformly dispersed.
The dispersant, the mass ratio of each component is zinc stearate 3-6 parts, calgon 2-5 parts, polyethylene glycol 2
Part, triethyl group hexyl phosphoric acid 6-8 parts；
The zinc stearate, Zn content is 10.5-11.5%, and density is 1.095g/cm3, fusing point is 118-125 DEG C；
The addition of dispersant, not only make microcapsule suspensions it is scattered evenly, while add spinning solution in after, can be fast
Being distributed in spinning solution for speed, improves the spinnability of the fiber for preparing, it is to avoid the blocking of spinning head；
Meanwhile, inventor has found in process of production, after adding dispersant, it is possible to reduce because a large amount of materials mix, reacted
Cheng Zhong, the bubble of generation significantly reduces the possibility for occurring broken end in spinning process.
（6）The preparation of spinning solution
Cellulose sulfonate is dissolved in the dilute alkaline soln containing 2.1% surfactant, CS is added2, add polyethylene glycol and diformazan
Yl acetamide, controls 20-26 DEG C of temperature, time 50-80min；
The cosolvent ethanol and anhydrous sodium acetate of 15-17% are subsequently adding, through the filtering of twice filter and continuous defoaming, spinning is made
Silk stock solution；
The purpose for adding cosolvent is to reduce the repulsive interaction of microcapsules and spinning solution, improves the adhesion of microcapsules and fiber,
Improve the strength and other physical indexs of fiber；
The content of methylcellulose is 32.6-32.8% in the cellulose sulfonate；
In the surfactant, 2 parts of stearic acid, 3 parts of neopelex；
The CS2Addition is 35.7% of methylcellulose quality in cellulose sulfonate；
The anhydrous sodium acetate（NaAc）Density is 500g/cm3, content is 99.5%.
The dilute alkaline soln, the content of NaOH is 3.4%；The cellulose sulfonate is with the mass ratio of dilute alkaline soln
1:3；
The addition of the polyethylene glycol is above-mentioned methylcellulose 3.2%；The addition of the dimethylacetylamide is above-mentioned
Methylcellulose 4.7%；The purpose for adding polyethylene glycol and dimethylacetylamide is to improve the performance of cosolvent, is further increased
The effect of strong cosolvent；
In the cosolvent, the mass ratio of ethanol and anhydrous sodium acetate is 2-3:1.
（7）It is prepared by natural plants antibacterial spinning solution
By step（5）The natural antibacterial plant extracts microcapsule suspensions of preparation are added according to the mass ratio of spinning solution 15%
To step（6）In the spinning solution of preparation, after dispersed with stirring, standing vacuum row is brewed to obtain natural plants antibacterial spinning solution.
（8）Spinning
Above-mentioned steps（7）The natural plants antibacterial spinning solution enters solidification after measuring pump-metered through candle filter and spinning head
Bath, coagulating bath composition is sulfuric acid 100g/L；Sodium sulphate：270g/L；Aluminum sulfate 18g/L；38 DEG C of temperature, pH value is 5, spinning speed
It is 120m/min, total drawing ratio is 70%.
（9）Post processing
Washed by alcohol, washed, oiled, baking operation, 1.67dtex*38mm natural plants anti-bacterial fibre cellulose fibers are obtained.
（10）It is prepared by antibacterial medical non-woven fabrics
The plants antimicrobial cellulose fibre prepared using 100% present invention, by common water jet process, by the fine current spray of high pressure
It is mapped on the fleece of one or more layers embodiment of the present invention preparation, makes fiber mutually entangled, obtains plants antimicrobial doctor
Use water proof nonwoven cloth.
The non-woven fabrics includes plants antimicrobial non-woven fabrics upper strata, and the plants antimicrobial nonwoven layer is fine by plants antimicrobial
Dimension is prepared from by water jet process；The non-woven fabrics also includes waterproof coating lower floor；The waterproof coating lower floor, is that PU is applied
Layer, i.e. polyurethane coating, nonwoven surface has film sense after painting, and good hand feeling is flexible, waterproof.
By adopting the above-described technical solution, having the technical effect that of reaching of the present invention：
（1）Plants antimicrobial cellulose fibre prepared by the present invention, without any organic antibacterial agent and inorganic antiseptic, safety collar
Protect, and can be with natural degradation, with good social effect；
（2）Using special Microencapsulated Slow technology, the anti-bacterial fibre antibacterial effect of preparation is more longlasting；
（3）During the present invention prepares regenerated celulose fibre microcapsules, the Microcapsules Size of preparation uniformly cannot be easily caused
Spinneret head of line blocking；
（4）During the present invention prepares regenerated celulose fibre microcapsules, various process parameters precision prescribed is high, accurate control
The indices of the capsule for preparing, the fiber functional result of preparation is good；
（5）Antibacterial water proof nonwoven cloth structure prepared by the present invention, is mainly applied by the nonwoven layer of natural plants antibacterial and using PU
Waterproof coating prepared by layer technology is constituted, and simple structure, durable antibacterial effect, cost is lower；
（6）The dry fracture strength of natural plants anti-bacterial fibre cellulose fiber prepared by the present invention is 4.0-4.5 cN/dtex；Wet fracture is strong
It is 2.2-2.7 cN/dtex to spend；Dry elongation at break is 25.6-28.5%；Residual sulfur content is 1.5-2.0 mg/100g；
（7）Natural antibacterial cellulose fibre prepared by the present invention, washs 45 times, and the bacteriostasis rate to staphylococcus aureus is yes
92.3-97.5%；Bacteriostasis rate to Escherichia coli is 93.2-95.9%；Bacteriostasis rate to Candida albicans is 93.7-95.6%；
（6）The amenities being prepared into by medical water proof nonwoven cloth of the invention, the effect with promoting blood circulation and stopping pain；
（7）Non-woven fabrics prepared by the present invention, simple structure, nonwoven surface has film sense after painting, and good hand feeling is flexible, has
Lasting plants antimicrobial, antianaphylaxis and water-proof function.
Specific embodiment
Plants antimicrobial medical type natural plants anti-bacterial fibre prepared by the present invention is said by specific embodiment below
It is bright.
A kind of preparation method of novel plant anti-bacterial fibre cellulose fiber of embodiment 1, comprises the following steps：
（1）It is prepared by natural antibacterial plant extracts emulsified dispersed liquid
The natural antibacterial plant extracts emulsified dispersed liquid, is processed by natural antibacterial plant extracts extract, peach gum solution
It is prepared from；
The natural antibacterial plant extracts, the consumption of peach gum solution are calculated in parts by weight；By natural antibacterial plant extracts 5
Part, 2 parts of peach gum solution, are heated up to 52 DEG C after mixing, stirring and emulsifying, mixing speed is 300r/min, makes the μ of dispersed particle particle diameter 2
M, obtains natural antibacterial plant extracts emulsified dispersed liquid；
The peach gum solution, the content of peach gum active ingredient is 18%；The natural antibacterial plant extracts, is mint extract；
The mint extract, is brownish-yellow powder, and 100% crosses 80 mesh sieves, and natural antibacterial plant extracts content is 60%, ash content
Content≤3.2%, moisture≤3.8%, content of beary metal≤5ppm, lead content≤1ppm, arsenic content≤0.5 ppm, mercury contains
≤ 0.4 ppm of amount, total number of bacteria≤500cfu/g, total number of molds≤50 cfu/g, salmonella and Escherichia coli must not be examined
Go out.
（2）Prepare natural antibacterial plant extracts gelatin solution
In step（1）The aqueous gelatin solution of 5-10% is added in the natural antibacterial plant extracts emulsified dispersed liquid of preparation, temperature is kept
It is 49 DEG C to spend, regulation pH value to 4.5, stops heating up after there is aggregation, and is stirred continuously 30min, and speed of agitator is 280r/
Min, makes aggregation completely, with 1 DEG C per minute of speed, gelatin solution is cooled to 10 DEG C, and natural antibacterial plant extract is obtained
Thing gelatin solution；
In institute's gelatin water solution, gelatin content is 22%；
In the natural antibacterial plant extracts gelatin solution, the content 6g/L of natural antibacterial plant extracts.
（3）Prepare natural antibacterial plant extracts microcapsules
To step（2）In the natural antibacterial plant extract gelatin solution of preparation, the NaOH solution that mass fraction is 10%, regulation are added
PH value keeps room temperature to 7.2, stirs 30min, mixing speed 190r/min, until separating out, filters, washes to obtain natural antibacterial plant
Thing extract microcapsules.
Prepared natural antibacterial plant extracts microcapsules, particle diameter is 1.9-2.1 μm, sphericity and favorable dispersibility,
Embedding rate is 98.2 %, and drugloading rate is 96.1-96.2%, and release performance is more longlasting, it is ensured that more longlasting steady of plant extracts
Fixed release.
（4）The preparation of natural antibacterial plant extracts microcapsule suspensions
By natural antibacterial plant extracts microcapsules 120g, 1.8% protective agent is added, be subsequently adding deionized water 1000ml, plus
Enter the emulsifying agent of 10ml, prepare natural antibacterial plant extracts microcapsule suspensions.
The protective agent, is the mixed liquor of petroleum ether and absolute ethyl alcohol；The mass ratio of the petroleum ether and absolute ethyl alcohol
It is 1:2；
Above-mentioned protective agent, can protect the microcapsules of formation during follow-up acid, alkali, dissolution process, it is ensured that plant extract
Thing is not destroyed by reaction, influences the performance of the fiber of preparation.
Described emulsifying agent, is triton x-100；
（5）Add dispersant
To the dispersant that 1.2% is added in above-mentioned natural antibacterial plant extracts microcapsule suspensions, it is uniformly dispersed.
The dispersant, the mass ratio of each component is 5 parts of zinc stearate, 2 parts of calgon, 2 parts of polyethylene glycol, three
6 parts of ethylhexyl phosphoric acid；
The zinc stearate, Zn content is 11.5%, and density is 1.095g/cm3, fusing point is 118-125 DEG C；
The addition of dispersant, not only make microcapsule suspensions it is scattered evenly, while add spinning solution in after, can be fast
Being distributed in spinning solution for speed, improves the spinnability of the fiber for preparing, it is to avoid the blocking of spinning head；
Meanwhile, inventor has found in process of production, after adding dispersant, it is possible to reduce because a large amount of materials mix, reacted
Cheng Zhong, the bubble of generation significantly reduces the possibility for occurring broken end in spinning process.
（6）The preparation of spinning solution
Cellulose sulfonate is dissolved in the dilute alkaline soln containing 2.1% surfactant, CS is added2, add polyethylene glycol and diformazan
Yl acetamide, controls 20 DEG C of temperature, time 50-80min；
15% cosolvent ethanol and anhydrous sodium acetate are subsequently adding, through the filtering of twice filter and continuous defoaming, spinning is made former
Liquid；
The purpose for adding cosolvent is to reduce the repulsive interaction of microcapsules and spinning solution, improves the adhesion of microcapsules and fiber,
Improve the strength and other physical indexs of fiber；
The content of methylcellulose is 32.6% in the cellulose sulfonate；
The surfactant is 2 parts of stearic acid, 3 parts of neopelex；
The CS2Addition is 35.7% of methylcellulose quality in cellulose sulfonate；
The anhydrous sodium acetate（NaAc）Density is 500g/cm3, content is 99.5%.
The dilute alkaline soln, the content of NaOH is 3.4%；The cellulose sulfonate is with the mass ratio of dilute alkaline soln
1:3；
The addition of the polyethylene glycol is the 3.2% of methylcellulose；The addition of the dimethylacetylamide is Methyl cellulose
The 4.7% of element；The purpose for adding polyethylene glycol and dimethylacetylamide is to improve the performance of cosolvent, further enhances cosolvent
Effect；
In the cosolvent, the mass ratio of ethanol and anhydrous sodium acetate is 2-3:1.
（7）It is prepared by natural plants antibacterial spinning solution
By step（5）The natural antibacterial plant extracts microcapsule suspensions of preparation are added according to the mass ratio of spinning solution 15%
To step（6）In the spinning solution of preparation, after dispersed with stirring, standing vacuum row is brewed to obtain natural plants antibacterial spinning solution.
（8）Spinning
Above-mentioned steps（7）The natural plants antibacterial spinning solution enters solidification after measuring pump-metered through candle filter and spinning head
Bath, coagulating bath composition is sulfuric acid 100g/L；Sodium sulphate：270g/L；Aluminum sulfate 18g/L；38 DEG C of temperature, pH value is 5, spinning speed
It is 120m/min, total drawing ratio is 70%.
（9）Post processing
Washed by alcohol, washed, oiled, baking operation, 1.67dtex*38mm natural plants anti-bacterial fibre cellulose fibers are obtained.
A kind of preparation method of novel plant antibacterial medical water proof nonwoven cloth of embodiment 2, comprises the following steps：
（1）It is prepared by natural antibacterial plant extracts emulsified dispersed liquid
The natural antibacterial plant extracts emulsified dispersed liquid, is processed by natural antibacterial plant extracts extract, peach gum solution
It is prepared from；
The natural antibacterial plant extracts, the consumption of peach gum solution are calculated in parts by weight；By natural antibacterial plant extracts 7
Part, 11 parts of peach gum solution, are heated up to 55 DEG C after mixing, stirring and emulsifying, mixing speed is 220r/min, makes dispersed particle particle diameter 1-
2 μm, obtain natural antibacterial plant extracts emulsified dispersed liquid；
The peach gum solution, the content of peach gum active ingredient is 18%；The natural antibacterial plant extracts, is that Radix Isatidis is extracted
Thing；
The isatis root extract is brownish-yellow powder, and 100% crosses 80 mesh sieves, and natural antibacterial plant extracts content is 60%, ash
Divide content≤3.2%, moisture≤3.8%, content of beary metal≤5ppm, lead content≤1ppm, arsenic content≤0.5 ppm, mercury
Content≤0.4 ppm, total number of bacteria≤500cfu/g, total number of molds≤50 cfu/g, salmonella and Escherichia coli must not
Detection.
（2）Prepare natural antibacterial plant extracts gelatin solution
In step（1）The aqueous gelatin solution of 5-10% is added in the natural antibacterial plant extracts emulsified dispersed liquid of preparation, temperature is kept
It is 47 DEG C to spend, regulation pH value to 4.3, stops heating up after there is aggregation, and is stirred continuously 30min, and speed of agitator is 280r/
Min, makes aggregation completely, with 1 DEG C per minute of speed, gelatin solution is cooled to 8 DEG C, and natural antibacterial plant extracts is obtained
Gelatin solution；
In institute's gelatin water solution, gelatin content is 22%；
In the natural antibacterial plant extracts gelatin solution, the content 6g/L of natural antibacterial plant extracts.
（3）Prepare natural antibacterial plant extracts microcapsules
To step（2）In the natural antibacterial plant extract gelatin solution of preparation, the NaOH solution that mass fraction is 10%, regulation are added
PH value keeps room temperature to 7.2, stirs 30min, mixing speed 190r/min, until separating out, filters, washes to obtain natural antibacterial plant
Thing extract microcapsules.
Prepared natural antibacterial plant extracts microcapsules, particle diameter is 1.9-2.0 μm, sphericity and favorable dispersibility,
Embedding rate is 98.5%, and drugloading rate is 96.1-96.3%, and release performance is more longlasting, it is ensured that more longlasting steady of plant extracts
Fixed release.
（4）The preparation of natural antibacterial plant extracts microcapsule suspensions
By natural antibacterial plant extracts microcapsules 120g, 1.8% protective agent is added, be subsequently adding deionized water 1000ml, plus
Enter the emulsifying agent of 10ml, prepare natural antibacterial plant extracts microcapsule suspensions.
The protective agent, is the mixed liquor of petroleum ether and absolute ethyl alcohol；The mass ratio of the petroleum ether and absolute ethyl alcohol
It is 1:2；
Above-mentioned protective agent, can protect the microcapsules of formation during follow-up acid, alkali, dissolution process, it is ensured that plant extract
Thing is not destroyed by reaction, influences the performance of the fiber of preparation.
Described emulsifying agent, is triton x-100；
（5）Add dispersant
To the dispersant that 1.2% is added in above-mentioned natural antibacterial plant extracts microcapsule suspensions, it is uniformly dispersed.
The dispersant, the mass ratio of each component is 6 parts of zinc stearate, 2 parts of calgon, 2 parts of polyethylene glycol, three
7 parts of ethylhexyl phosphoric acid；
The zinc stearate, Zn content is 10.5-11.5%, and density is 1.095g/cm3, fusing point is 118-125 DEG C；
The addition of dispersant, not only make microcapsule suspensions it is scattered evenly, while add spinning solution in after, can be fast
Being distributed in spinning solution for speed, improves the spinnability of the fiber for preparing, it is to avoid the blocking of spinning head；
Meanwhile, inventor has found in process of production, after adding dispersant, it is possible to reduce because a large amount of materials mix, reacted
Cheng Zhong, the bubble of generation significantly reduces the possibility for occurring broken end in spinning process.
（6）The preparation of spinning solution
Cellulose sulfonate is dissolved in the dilute alkaline soln containing 2.1% surfactant, CS is added2, add polyethylene glycol and diformazan
Yl acetamide, controls 23 DEG C of temperature, time 50min；
17% cosolvent ethanol and anhydrous sodium acetate are subsequently adding, through the filtering of twice filter and continuous defoaming, spinning is made former
Liquid；
The purpose for adding cosolvent is to reduce the repulsive interaction of microcapsules and spinning solution, improves the adhesion of microcapsules and fiber,
Improve the strength and other physical indexs of fiber；
The content of methylcellulose is 32.6% in the cellulose sulfonate；
The surfactant is 2 parts of stearic acid, 3 parts of neopelex；
The CS2Addition is 35.7% of methylcellulose quality in cellulose sulfonate；
The anhydrous sodium acetate（NaAc）Density is 500g/cm3, content is 99.5%.
The dilute alkaline soln, the content of NaOH is 3.4%；The cellulose sulfonate is with the mass ratio of dilute alkaline soln
1:3；
The addition of the polyethylene glycol is the 3.2% of methylcellulose；The addition of the dimethylacetylamide is Methyl cellulose
The 4.7% of element；The purpose for adding polyethylene glycol and dimethylacetylamide is to improve the performance of cosolvent, further enhances cosolvent
Effect；
In the cosolvent, the mass ratio of ethanol and anhydrous sodium acetate is 3:1.
（7）It is prepared by natural plants antibacterial spinning solution
By step（5）The natural antibacterial plant extracts microcapsule suspensions of preparation are added according to the mass ratio of spinning solution 15%
To step（6）In the spinning solution of preparation, after dispersed with stirring, standing vacuum row is brewed to obtain natural plants antibacterial spinning solution.
（8）Spinning
Above-mentioned steps（7）The natural plants antibacterial spinning solution enters solidification after measuring pump-metered through candle filter and spinning head
Bath, coagulating bath composition is sulfuric acid 100g/L；Sodium sulphate：270g/L；Aluminum sulfate 18g/L；38 DEG C of temperature, pH value is 5, spinning speed
It is 120m/min, total drawing ratio is 70%.
（9）Post processing
Washed by alcohol, washed, oiled, baking operation, 1.67dtex*38mm natural plants anti-bacterial fibre cellulose fibers are obtained.
A kind of preparation method of novel plant anti-bacterial fibre cellulose fiber of embodiment 3, comprises the following steps：
（1）It is prepared by natural antibacterial plant extracts emulsified dispersed liquid
The natural antibacterial plant extracts emulsified dispersed liquid, is processed by natural antibacterial plant extracts extract, peach gum solution
It is prepared from；The natural antibacterial plant extracts, the consumption of peach gum solution are calculated in parts by weight；Natural antibacterial plant is carried
5 parts of thing, 13 parts of peach gum solution are taken, 52 DEG C are heated up to after mixing, stirring and emulsifying, mixing speed is 200r/min, makes dispersed particle
1-2 μm of particle diameter, obtains natural antibacterial plant extracts emulsified dispersed liquid；
The peach gum solution, the content of peach gum active ingredient is 18%；The natural antibacterial plant extracts, is motherwort extraction
Thing；
The Leonurus extract is brownish-yellow powder, and 100% crosses 80 mesh sieves, and natural antibacterial plant extracts content is 60%, ash
Divide content≤3.2%, moisture≤3.8%, content of beary metal≤5ppm, lead content≤1ppm, arsenic content≤0.5 ppm, mercury
Content≤0.4 ppm, total number of bacteria≤500cfu/g, total number of molds≤50 cfu/g, salmonella and Escherichia coli must not
Detection.
（2）Prepare natural antibacterial plant extracts gelatin solution
In step（1）5% aqueous gelatin solution, keeping temperature are added in the natural antibacterial plant extracts emulsified dispersed liquid of preparation
It it is 47 DEG C, regulation pH value to 4.3 stops heating up after there is aggregation, and is stirred continuously 60min, and speed of agitator is 280r/
Min, makes aggregation completely, with 1 DEG C per minute of speed, gelatin solution is cooled to 8 DEG C, and natural antibacterial plant extracts is obtained
Gelatin solution.
In institute's gelatin water solution, the active constituent content of gelatin is 22%；
In the natural antibacterial plant extracts gelatin solution, the content 6g/L of natural antibacterial plant extracts.
（3）Prepare natural antibacterial plant extracts microcapsules
To step（2）In the natural antibacterial plant extract gelatin solution of preparation, the NaOH solution that mass fraction is 10%, regulation are added
PH value keeps room temperature to 7.2, stirs 30min, mixing speed 190r/min, until separating out, filters, washes to obtain natural antibacterial plant
Thing extract microcapsules.
Prepared natural antibacterial plant extracts microcapsules, particle diameter is 1.8-1.9 μm, sphericity and favorable dispersibility,
Embedding rate is 98.9%, and drugloading rate is 96.4-96.5%.
（4）The preparation of natural antibacterial plant extracts microcapsule suspensions
By natural antibacterial plant extracts microcapsules 120g, 1.8% protective agent is added, be subsequently adding deionized water 1000ml, plus
Enter the emulsifying agent of 10ml, prepare natural antibacterial plant extracts microcapsule suspensions.
The protective agent, is the mixed liquor of petroleum ether and absolute ethyl alcohol；The mass ratio of the petroleum ether and absolute ethyl alcohol
It is 1:2；
Described emulsifying agent, is triton x-100；
（5）Add dispersant
To the dispersant that 1.2% is added in above-mentioned natural antibacterial plant extracts microcapsule suspensions, it is uniformly dispersed.
The dispersant, the mass ratio of each component is 3 parts of zinc stearate, 5 parts of calgon, 2 parts of polyethylene glycol, three
6 parts of ethylhexyl phosphoric acid.
The zinc stearate, Zn content is 10.5-11.5%, and density is 1.095g/cm3, fusing point is 118-125
℃。
（6）The preparation of spinning solution
Cellulose sulfonate is dissolved in the dilute alkaline soln containing 2.1% surfactant, CS is added2, add polyethylene glycol and diformazan
Yl acetamide, controls 20 DEG C of temperature, and time 80min is subsequently adding 15% cosolvent ethanol and anhydrous sodium acetate, through twice mistake
Filter is filtered and continuous defoaming, is made spinning solution.
The content of methylcellulose is 32.6% in the cellulose sulfonate；
The surfactant is 2 parts of stearic acid, 3 parts of neopelex；
The CS2Addition is 35.7% of methylcellulose quality in cellulose sulfonate；
The anhydrous sodium acetate（NaAc）Density is 500g/cm3, content is 99.5%.
The dilute alkaline soln, the content of NaOH is 3.4%；The cellulose sulfonate is with the mass ratio of dilute alkaline soln
1:3；
The addition of the polyethylene glycol is the 3.2% of methylcellulose；The addition of the dimethylacetylamide is Methyl cellulose
The 4.7% of element；
In the cosolvent, the mass ratio of ethanol and anhydrous sodium acetate is 2:1.
（7）It is prepared by natural plants antibacterial spinning solution
By step（5）The natural antibacterial plant extracts microcapsule suspensions of preparation are added according to the mass ratio of spinning solution 15%
To step（6）In the spinning solution of preparation, after dispersed with stirring, standing vacuum row is brewed to obtain natural plants antibacterial spinning solution.
（8）Spinning
Above-mentioned steps（7）The natural plants antibacterial spinning solution enters solidification after measuring pump-metered through candle filter and spinning head
Bath, coagulating bath composition is sulfuric acid 100g/L；Sodium sulphate：270g/L；Aluminum sulfate 18g/L；38 DEG C of temperature, pH value is 5, spinning speed
It is 120m/min, total drawing ratio is 70%.
（9）Post processing
Washed by alcohol, washed, oiled, baking operation, 1.67dtex*38mm natural plants anti-bacterial fibre cellulose fibers are obtained.
1.67dtex*38mm novel plants anti-bacterial fibre cellulose fiber obtained in preparation method described in embodiment 1-3 is produced
Product are detected, wherein the testing result of leading indicator such as table 1 below.
The index of the product of natural plants anti-bacterial fibre cellulose fiber prepared by 1 embodiment of the present invention of table 1
As can be seen from the above table, the dry fracture strength of natural plants anti-bacterial fibre cellulose fiber that prepared by the present invention is 4.0-4.5 cN/
dtex；Wet breaking strength is 2.2-2.7 cN/dtex；Dry elongation at break is 25.6-28.5%；Residual sulfur content is 1.5-2.0 mg/
100g。
In above-described embodiment 1-3, particularly embodiment 3 prepare natural plants anti-bacterial fibre cellulose fiber other indexs with
In the case that embodiment 1,2 is more or less the same, dry fracture strength has and is obviously improved, and the natural antibacterial cellulose fibre of preparation is done
Fracture strength reaches 4.5 cN/dtex.
The antibacterial effect detection of natural plants anti-bacterial fibre cellulose fiber prepared by the embodiment of the present invention 1-3 of table 2
As can be seen from the above table, the natural plants anti-bacterial fibre cellulose fiber that prepared by embodiment of the present invention 1-3, to Staphylococcus aureus
The antibiotic rate of bacterium is 97.6-99.1%；Bacteriostasis rate to Escherichia coli is 97.2-98.5%；Antibiotic rate to Candida albicans is
96.7-97.5%。
Natural plants anti-bacterial fibre cellulose fiber prepared by the embodiment of the present invention 1-3 of table 3, to golden yellow Portugal after washing 45 times
Grape coccus, Escherichia coli, the bacteriostasis rate of Candida albicans, are shown in Table 3
As can be seen from Table 3, the natural antibacterial cellulose fibre that prepared by the present invention, washs 45 times, to staphylococcus aureus
It is 92.3-97.5% that bacteriostasis rate is；Bacteriostasis rate to Escherichia coli is 93.2-95.9%；Bacteriostasis rate to Candida albicans is
93.7-95.6%；
The natural antibacterial cellulose fibre that particularly prepared by embodiment 3, after washing 45 times, to the bacteriostasis rate of staphylococcus aureus
Up to 97.5%；Bacteriostasis rate to Escherichia coli is 95.9%；Bacteriostasis rate to Candida albicans is 95.6%；
In addition, the natural plants anti-bacterial fibre cellulose fiber for being prepared by detection, the present invention, natural plants antimicrobial extract has
The sustained release phase for imitating composition is long, and the sustained release phase was up to 3 years.
The preparation of the medical water proof nonwoven cloth of the plants antimicrobial of embodiment 4
The plants antimicrobial cellulose fibre prepared using 100% embodiment of the present invention 3 is fine by high pressure by common water jet process
On the fleece that water flow jet is prepared to one or more layers embodiment of the present invention, make fiber mutually entangled, obtain plant
Antibacterial medical water proof nonwoven cloth.
By TPU particles are extruded, casting film-forming；Or after extrusion blown film, Film laminated obtain, different-thickness is arrived
On the bonded fabric product that the present invention is made, obtain with medical water proof nonwoven cloth of the invention.
The amenities being prepared into by medical water proof nonwoven cloth of the invention, the effect with promoting blood circulation and stopping pain.
In order to further illustrate effect of the invention, applicant has carried out testing inspection to product, specific detection experiment knot
Fruit is shown in Table 4
Test method：200 people（The people of one full year of life at age 20-29 100；The people of one full year of life at age 30-40 100）It is on probation of the invention using 100%
The amenities that the natural plants anti-bacterial fibre of preparation is made is after 3 months, the improvement situation of promoting blood circulation and stopping pain effect
The promoting blood circulation and stopping pain effect test of the amenities that bonded fabric product prepared by the present invention of table 4 is made
As can be seen from Table 4, the amenities that is made of natural plants anti-bacterial fibre for being prepared using 100% present invention is after 3 months,
The symptoms such as dysmenorrhoea, irregular menstruation are obviously improved；To the improvement rate of dysmenorrhoea up to 92%；To the improvement rate of irregular menstruation up to 93%；Externally
The improvement rate of cloudy itch is up to 95%.
The novel plant anti-bacterial fibre cellulose fiber prepared using 100% embodiment of the present invention 3, by common water jet process system
The standby antibacterial testing result into the medical water proof nonwoven cloth of plants antimicrobial, table specific as follows 5.
The novel plant anti-bacterial fibre cellulose fiber that table 5 is prepared using 100% embodiment of the present invention 3, by common spun lacing work
Skill is prepared into the Testing index of the medical water proof nonwoven cloth of plants antimicrobial
As can be seen from Table 5, the novel plant anti-bacterial fibre cellulose fiber for being prepared using the embodiment of the present invention 3, by common spun lacing
Technique is prepared into the medical water proof nonwoven cloth of plants antimicrobial, and the antibiotic rate to Escherichia coli is 97.2%；To staphylococcus aureus
Antibiotic rate is 98.4%；Antibiotic rate to Candida albicans is 96.7%.
The novel plant anti-bacterial fibre cellulose fiber prepared using 100% embodiment of the present invention 3 is prepared by common water jet process
There is stronger antianaphylaxis energy into the medical water proof nonwoven cloth of plants antimicrobial, for the effect that the further experiment present invention reaches,
Tested as follows, be specifically shown in Table 6,7
Experiment location parameter：Red swelling of the skin degree（Visual score）, gargalesthesia（The subjective sensation of subject）；Peak is 10, is represented
Highest crosses sensitivity；The height of the degree reciprocal fraction that allergy height determines, according to the actually detected numerical value synthesis of tester
It is determined that；
Packet：Of the present invention group, control group, every group of 30 people, final score are defined as the average value of 30 people；
Assay method：With specific experiment blade at the skin of whole subject's arm top same positions, hydrochloric acid group is added dropwise
Amine（5mg/ml）, amount is 0.2ml at a low price, and skin can produce red and swollen, gargalesthesia after 5 minutes；
Using the non-woven fabrics described in embodiment 2, control group skin covers what general cellulose fibre was made into the covering of experimental group skin
Non-woven fabrics；0h, 4h, 8h, 12h, 16h, 24h, the gargalesthesia at determination test position, redness degree, concrete outcome are shown in Table 6,7；
The red swelling of the skin degree of table 6（Peak is 10）
The skin gargalesthesia of table 7（Peak 10）
Found out by table 6 and 7, the novel plant anti-bacterial fibre cellulose fiber prepared using 100% embodiment of the present invention 3 passes through light water
Thorn technique is prepared into the medical water proof nonwoven cloth of plants antimicrobial with stronger antianaphylaxis energy.
The non-woven fabric prepared using the natural plants anti-bacterial fibre cellulose fiber of our company's independent research, with anti-skin
Stimulation, antiallergy, the function of reducing pruitus.
In microcapsules preparation process, using the method for embodiment 3, only change preparation process（2）Plant carries natural antibacterial
Take the temperature and step of thing gelatin solution（3）In preparing natural antibacterial plant extracts microencapsulation steps, the pH regulated values of gelatin solution,
The influence of the microcapsules index to preparing, specific change parameter value and Testing index are shown in Table 8
Table 8
As can be seen from the above table, during microcapsules are prepared, when the temperature of natural antibacterial plant extract gelatin solution is 47
DEG C, step（3）In preparing natural antibacterial plant extracts microencapsulation steps, when the pH regulated values of gelatin solution are 7.2, the day of preparation
The indexs of correlation such as capsule grain diameter, capsule embedding rate, the capsule drugloading rate of right antibacterial plant extract microcapsules are best.
The above, except special instruction and unit commonly used in the art, percentage is quality percentage and quality with number
Number.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (9)
1. a kind of plants antimicrobial cellulose fibre, it is characterised in that：Contain the micro- glue of natural antibacterial plant extracts in the fiber
Capsule；The plant extracts is mint extract, isatis root extract, Leonurus extract, one kind of wormwood extract or several
Kind.
2. a kind of preparation method of plants antimicrobial cellulose fibre, it is characterised in that：Methods described is carried including natural antibacterial plant
Take thing emulsified dispersed liquid preparation process；The natural antibacterial plant extracts emulsified dispersed liquid preparation process：Natural antibacterial is planted
5-8 parts of thing extract, 10-15 parts of peach gum solution, are heated up to 52-60 DEG C after mixing, stirring and emulsifying, mixing speed is 200-
300r/min, emulsifies dispersed particle particle diameter and is dissolved to 1-2 μm.
3. the preparation method of a kind of plants antimicrobial cellulose fibre according to claim 2, it is characterised in that：The peach gum
Solution, is that peach gum is prepared from water dissolves；The content of the active ingredient of peach gum is 18-20% in the peach gum solution.
4. the preparation method of a kind of plants antimicrobial cellulose fibre according to claim 2, it is characterised in that：Methods described
Also include preparing natural antibacterial plant extracts gelatin solution step；It is described to prepare natural antibacterial plant extracts gelatin solution step：
The aqueous gelatin solution of 5-10% is added in the natural antibacterial plant extracts emulsified dispersed liquid for preparing, keeping temperature is 47-50
℃；Regulation pH value stops heating up to 4.3-4.8 after there is aggregation, and is stirred continuously 30-60min, and speed of agitator is 280-
310r/min, makes aggregation complete；Then with 1 DEG C per minute of speed, gelatin solution is cooled to 8-10 DEG C, be obtained natural anti-
Bacterium plant extracts gelatin solution.
5. the preparation method of a kind of plants antimicrobial cellulose fibre according to claim 4, it is characterised in that：The gelatin
In the aqueous solution, gelatine content is 22-25%；In the natural antibacterial plant extracts gelatin solution, natural antibacterial plant extracts
Content 6-8g/L.
6. the preparation method of a kind of plants antimicrobial cellulose fibre according to claim 2, it is characterised in that：Methods described
Also include preparing natural antibacterial plant extracts microencapsulation steps；It is described to prepare natural antibacterial plant extracts microencapsulation steps：
In to the natural antibacterial plant extracts gelatin solution for preparing, the NaOH that mass fraction is 10%, regulation solution ph to 7.2- are added
7.5；Stirring 30-40min；The mixing speed is 190r/min.
7. the preparation method of a kind of plants antimicrobial cellulose fibre according to claim 2, it is characterised in that：Methods described
Also include the preparation process of natural antibacterial plant extracts microcapsule suspensions；The natural antibacterial plant extracts microcapsules hang
The preparation process of supernatant liquid：By natural antibacterial plant extracts microcapsules 120-130g, the protective agent of 1.8-2.0% is added；Addition is gone
Ionized water 1000-1200ml；Add the emulsifying agent of 10-12ml.
8. the preparation method of a kind of plants antimicrobial cellulose fibre according to claim 7, it is characterised in that：The protection
Agent, is the mixed liquor of petroleum ether and absolute ethyl alcohol；The mass ratio of the petroleum ether and absolute ethyl alcohol is 1:2.
9. the medical water proof nonwoven cloth that the plants antimicrobial cellulose fibre that prepared by a kind of method of use claim 2-8 is made,
It is characterized in that：The non-woven fabrics has the effect of antianaphylaxis and promoting blood circulation and stopping pain.
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