CN106120321A - Calcium carbonate crystal whisker ginkgoic acid composite antibacterial fibre material and preparation method thereof - Google Patents
Calcium carbonate crystal whisker ginkgoic acid composite antibacterial fibre material and preparation method thereof Download PDFInfo
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- CN106120321A CN106120321A CN201610544949.7A CN201610544949A CN106120321A CN 106120321 A CN106120321 A CN 106120321A CN 201610544949 A CN201610544949 A CN 201610544949A CN 106120321 A CN106120321 A CN 106120321A
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- calcium carbonate
- crystal whisker
- carbonate crystal
- ginkgoic acid
- composite antibacterial
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
- A01N37/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
Abstract
The present invention provides a kind of calcium carbonate crystal whisker ginkgoic acid composite antibacterial fibre material and preparation method thereof, and calcium carbonate crystal whisker is 1000:1 100:5 with the weight ratio of ginkgoic acid；Under conditions of silane coupler exists, react formation with calcium carbonate crystal whisker and ginkgoic acid.The calcium carbonate crystal whisker ginkgoic acid composite antibacterial fibre scanning electron microscope (SEM) photograph display profile of preparation is needle-like, has uniform crosssection, complete profile, large specific surface area, and draw ratio is about 50.Antibacterial tests shows, the present invention has significant bacteriostasis and sterilization effect to escherichia coli, and anti-microbial property is superior.The research of local irritation test safety evaluatio shows safety of the present invention, without the untoward reaction such as skin irritation, allergy, application safety.Can be widely applied to the fields such as textile, Medical bandage, dressing, hygienic article.
Description
Technical field
The invention belongs to fibrous material technical field.Specifically with inorganic crystal whisker material-calcium carbonate crystal whisker as carrier,
The composite antibacterial fibre material of compound organic antibiotic substances-ginkgoic acid, and the technology of preparing of this material.
Background technology
Along with people are to working environment and the raising of the hygienic requirements of self life, promote sending out of antibacterial fiber material
Exhibition.Fiber is because adsorbing microorganism, and these microorganisms can be bred rapidly under proper condition, and human body produces harm, therefore anti-
Bacterium fiber becomes the mankind and pursues high-quality life requirement.Anti-bacterial fibre has been applied in the sides such as Medical bandage, dressing, sanitary towel
Face.Antibacterial in anti-bacterial fibre has a variety of, is mostly chemosynthesis antibacterial, derives from natural antibacterial few.Change
Learn synthetic antibacterial agents and have phenols, aldehydes, alcohols, imidazoles, diphenyl ether and derivant thereof, metal and metallic compound thereof, organic
Silicon quaternary ammonium salt etc.；But during chemosynthesis, there is the problems such as environmental pollution environmental protection；And antibacterial effect is the best.Therefore,
Research and development are containing the trend that the antibacterial fiber material deriving from natural antibacterial agent is this field.
In order to manufacture, safety is high, high-efficiency antimicrobial is active, the antibacterial fiber material of environmental protection, needs to develop containing deriving from sky
So, the significant New Antibacterial Fiber Material of antibacterial effect.
Calcium carbonate crystal whisker involved in the present invention be a kind of with single crystal form growth needle-like, have uniform crosssection, completely outside
Shape, improve the fibrous material of internal structure, there is bigger specific surface area, high intensity, high-modulus, high tenacity, high-insulativity, resistance to
Abrasion, high temperature resistant, acid and alkali-resistance, many excellent physicochemical properties such as anticorrosive, nontoxic, be the most wide new of a kind of market prospect
Type inorganic fibers, can be widely applied to the industries such as friction material, building materials, medicine, environmental project.
Ginkgoic acid involved in the present invention is the series that salicylic acid molecule has saturated or unsaturated chain alkyl on phenyl ring C6 position
Compound, for flaxen oily or powdered substance.Ginkgoic acid has the most antibacterial, antiviral, insect pest isoreactivity.Semen Ginkgo
Acid is present in Folium Ginkgo, ginkgo nut and Semen Ginkgo skin, and China has discarded Folium Ginkgo soak as Pesticide use morning among the people,
The insect such as aphid, rice borer there is killing action.Discarded Folium Ginkgo not only can not get effectively utilizing, and environment also can be caused dirty
Dye.
Therefore, inorganic carbonate calcium pyroborate is combined with natural organic antibacterial agent ginkgoic acid, develops NEW TYPE OF COMPOSITE antibacterial fiber material,
This type of products application is extensive, demand big, develops this series products and has a good application prospect.Have no that inorganic crystal whisker is anti-with natural
Fungus matter is combined the report for preparing antibacterial fiber material.
Summary of the invention
The technical problem to be solved is to avoid the problem in the presence of above-mentioned antibacterial fiber material prior art,
A kind of more excellent physicochemical property is provided, the calcium carbonate crystal whisker with inorganic crystal whisker as carrier-ginkgoic acid composite antibacterial fibre material and
Its preparation method.
The present invention solves technical problem and is adopted the technical scheme that:
Calcium carbonate crystal whisker of the present invention-ginkgoic acid composite antibacterial fibre material characteristics is: calcium carbonate crystal whisker surface there are Semen Ginkgo
Acid, and coupled by cross-linking agent, calcium carbonate crystal whisker is 1000:1-100:5 with the weight ratio of ginkgoic acid；Calcium carbonate crystal whisker is by carbonic acid
Prepared by calcium powder, wherein calcium carbonate content is more than 98%；Ginkgoic acid is extracted by Folium Ginkgo, and wherein ginkgoic acid content is more than 50%.
The feature of calcium carbonate crystal whisker of the present invention-ginkgoic acid composite antibacterial fibre material preparation method is: exist at coupling agent
Under the conditions of, formed with ginkgoic acid chemical reaction with calcium carbonate crystal whisker；Concretely comprise the following steps: a, prepare calcium carbonate crystal whisker and prepare: by oxygen
After change calcium powder fully digests, add the sodium dihydrogen phosphate that concentration is 0.5-1mmoL/L and obtain suspension, be sufficiently stirred for also
It is heated to 90 DEG C, is passed through carbon dioxide and carries out carbonation reaction, generate precipitation；After precipitation filtration, washing, at 100 DEG C
Lower drying, obtains calcium carbonate crystal whisker.B, prepare ginkgoic acid: pulverizing Folium Ginkgo, addition solid-liquid ratio is 1:6(W/V) 80% ethanol, water
At bath temperature 60 DEG C, stirring and leaching 2 times, each 4 hours.Collected by suction filtrate.Through D101 macroporous resin adsorption purification, 10BV's
100% ethanol desorbing, concentrating under reduced pressure stripping liquid；It is vacuum dried at 60 DEG C, obtains ginkgoic acid extractum.C, take calcium carbonate crystal whisker add water
In, ultrasonic disperse forms suspension system.Take ginkgoic acid extractum to be dissolved in dehydrated alcohol, be then added to calcium carbonate crystal whisker suspended substance
In system.Adding silane coupler, magnetic agitation is reacted 2 hours at a certain temperature.Filter, at 60 DEG C, be vacuum dried to obtain carbonic acid
Calcium pyroborate-ginkgoic acid complex fiber material.
Being found by scanning electron microscope, antibiotic bioactive research, calcium carbonate crystal whisker is with the growth of monocrystalline needle form, has uniformly
Cross section, the fibrous material of complete profile, have bigger specific surface area and absorption property, and under proper condition, calcium carbonate is brilliant
Must react with ginkgoic acid and coupling agent, coupling agent adsorbs and links inorganic matter calcium carbonate and natural organic matter ginkgoic acid, makes both
Strong bonded.Thus, calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material has more excellent anti-microbial property.Antibacterial tests
Showing, the present invention has significant bacteriostasis and sterilization effect to escherichia coli.The research of local irritation test safety evaluatio shows
Safety of the present invention, without the untoward reaction such as skin irritation, allergy, application safety.
Compared with the prior art, beneficial effects of the present invention is embodied in:
Inorganic crystal whisker have uniform crosssection, complete profile, large specific surface area, high intensity, abrasion performance, high temperature resistant, anticorrosive,
Many excellent physicochemical properties such as nontoxic, are ideal fibrous materials.Calcium carbonate crystal whisker inorganic fibers is anti-with natural
Fungus matter ginkgoic acid is combined, and has merged respective advantage, is aided with coupling agent bonding, forms New Antibacterial Fiber Material, antibiotic property
Can be superior, create unforeseeable technique effect；And the best without synthetic antibacterial agents effect, easily cause the shortcomings such as environmental pollution.
And, Semen Ginkgo is the resources of medicinal plant that Jiangsu Province of China North Jiangsu Area characteristic is precious, annual produce substantial amounts of be not suitable for medicinal
With edible discarded Folium Ginkgo, but its have excellence anti-microbial property, present invention addresses Gingko gurry comprehensive utilization
Technical barrier, not only improve environmental protection and also create the New Antibacterial Fiber Material of superior performance.
Accompanying drawing explanation
Fig. 1 calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre scanning of materials Electronic Speculum figure
Fig. 2 calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material is to colibacillary inhibitory action (A: composite antibacterial fibre
Material group；B: negative control group)
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
In the present embodiment, calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material is under the effect of coupling agent, calcium carbonate crystal whisker
Surface there are ginkgoic acid, and the preparation method of calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material is:
1, preparing calcium carbonate crystal whisker to prepare: after fully being digested by lime powder, adding concentration is the biphosphate of 0.5mmoL/L
Sodium solution obtains suspension, is sufficiently stirred for and is heated to 90 DEG C, is passed through carbon dioxide and carries out carbonation reaction, and it is heavy to generate
Form sediment；After precipitation filtration, washing, dry at 100 DEG C, obtain calcium carbonate crystal whisker.
2, preparing ginkgoic acid: weigh size-reduced Folium Ginkgo, addition solid-liquid ratio is 1:6(W/V) 80% ethanol, bath temperature 60
At DEG C, stirring and leaching 2 times, 4 hours each extraction times.After extraction terminates, use nutsch filter sucking filtration, collect filtrate.Big through D101
Hole resin absorption purification, the 100% ethanol desorbing of 10BV, concentrate stripping liquid with vacuum rotary evaporator, condition is temperature 55 DEG C,
Pressure 0.008MPa, concentrating under reduced pressure.In 60 DEG C of vacuum drying, obtaining ginkgoic acid extractum, character is: light brown extractum, micro-smelly, is dissolved in
Alcohol, water insoluble；Weigh, and measure ginkgoic acid content (mg/g).Ginkgoic acid assay: use HPLC method to be measured.Silver
Fructus Pruni acid standard substance are purchased from Yuan Ye bio tech ltd, Shanghai.The standard solution of ginkgoic acid between 100-1200 μ g/ml,
Respective peaks area and ginkgoic acid mass concentration have significant linear relationship, have worked out standard curve.With dehydrated alcohol (chromatographically pure)
Ginkgoic acid extractum is dissolved, filters.At column temperature: room temperature；Flowing phase: methanol-water (9:1, v/v)；Flow velocity 1ml/min；Sample size:
20μl；Detection wavelength 310nm；Analysis time: measure ginkgoic acid content in extractum under the conditions of 25min.During reservation according to standard specimen
Between carry out qualitative, with external standard method calculate ginkgoic acid content.In extractum, gingkolic acid content is 516.40mg/g.
3, taking calcium carbonate crystal whisker to be added to the water, ultrasonic disperse forms suspension system.Take ginkgoic acid extractum to be dissolved in dehydrated alcohol,
It is then added in calcium carbonate crystal whisker suspension system.Adding silane coupler, addition is the 2% of calcium carbonate crystal whisker weight.60
At DEG C, magnetic agitation is reacted 2 hours.Filter, at 60 DEG C, be vacuum dried to obtain calcium carbonate crystal whisker-ginkgoic acid complex fiber material.
Embodiment 2:
In the present embodiment, calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material is under the effect of coupling agent, calcium carbonate crystal whisker
Surface there are ginkgoic acid, and the preparation method of calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material is:
1, preparing calcium carbonate crystal whisker to prepare: after fully being digested by lime powder, adding concentration is the sodium dihydrogen phosphate of 1mmoL/L
Solution obtains suspension, is sufficiently stirred for and is heated to 90 DEG C, is passed through carbon dioxide and carries out carbonation reaction, generates precipitation；
After precipitation filtration, washing, dry at 100 DEG C, obtain calcium carbonate crystal whisker.
2, ginkgoic acid is prepared: with embodiment 1.
3, taking calcium carbonate crystal whisker to be added to the water, ultrasonic disperse forms suspension system.Take ginkgoic acid extractum to be dissolved in dehydrated alcohol,
It is then added in calcium carbonate crystal whisker suspension system.Adding silane coupler, addition is the 1% of calcium carbonate crystal whisker weight.70
At DEG C, magnetic agitation is reacted 2 hours.Filter, at 50 DEG C, be vacuum dried to obtain calcium carbonate crystal whisker-ginkgoic acid complex fiber material.
Embodiment 3:
In the present embodiment, calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material is under the effect of coupling agent, calcium carbonate crystal whisker
Surface there are ginkgoic acid, and the preparation method of calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material is:
1, prepare calcium carbonate crystal whisker to prepare: with embodiment 1.
2, ginkgoic acid is prepared: with embodiment 1.
3, taking calcium carbonate crystal whisker to be added to the water, ultrasonic disperse forms suspension system.Take ginkgoic acid extractum to be dissolved in dehydrated alcohol,
It is then added in calcium carbonate crystal whisker suspension system.Adding silane coupler, addition is the 0.5% of calcium carbonate crystal whisker weight.?
At 70 DEG C, magnetic agitation is reacted 2 hours.Filter, at 80 DEG C, be vacuum dried to obtain calcium carbonate crystal whisker-ginkgoic acid complex fiber material.
Calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre the material prepared in order to top method, carries out detecting, antibacterial tests, locally
Zest safety evaluatio is tested.The experimental data of the present invention be presented herein below:
Fig. 1 is the calcium carbonate crystal whisker under different amplification-ginkgoic acid composite antibacterial fibre scanning of materials Electronic Speculum figure, shows that this is multiple
Closing antibacterial fiber material profile is needle-like, has uniform crosssection, complete profile, large specific surface area, and draw ratio is about 50.
Antibacterial experiment:
Prepared by escherichia coli bacteria suspension: escherichia coli are inoculated in nutrient broth medium, shaken cultivation 24 in 37 DEG C of air
H, treats that cultivation terminates, centrifugal liquid culture medium, with the normal saline flushing bacterium colony 2 times of sterilizing, centrifugal after, then use sterile physiological salt
Escherichia coli are made bacteria suspension by water, and 4 DEG C save backup.
Agar dilution measures bacteriostasis property: take culture dish after sterilizing, pours the Nutrient agar solid medium that 15mL melts into, then
Pouring the calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material of sterilizing immediately into, concussion makes antibacterial material cultivate with agar gently
Base fully mixes.After culture medium solidifying cools down, connect 100 μ L bacteria suspension diluents to coating in culture medium uniformly.By culture dish
It is inverted in constant incubator cultivation, cultivation temperature 37 DEG C, incubation time 24h；Cultivation takes out culture dish after terminating, and observes bacterium colony
Growing state.Bacterial suspension inoculation is in the solid medium without composite antibacterial fibre material simultaneously, as negative control.Fig. 2
For calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material culture dish and negative control culture dish colony growth figure.Experimental result
Showing, in being not added with the culture dish of composite antibacterial fibre material, colibacillary bacterium colony forms more (Fig. 2 B), and adds composite antibacterial
(Fig. 2 A) is grown without E. coli clones in the culture dish of fibrous material；Calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre is described
Material is notable to bacterial growth inhibitory action, and anti-microbial property is superior.
Local irritation test:
Take adult rabbit 8, male and female half and half, every animal sub-cage rearing, first raise 3-4 days at laboratory condition.Then by family
Rabbit spinal column both sides dorsal body setae electric shaver-for women shaves off, every lateral area 5 × 10cm2.Go through whether depilation district has redness and damage
Wound, if any abandoning it, it is impossible to test.Cover composite antibacterial fibre material of the present invention in depilation district, then cover with gauze solid
Fixed.Continuous 7 days.Observe local skin reaction every day, such as erythema, edema, desquamation, incrustation etc., if having petechia, skin peptide thick
Rough or poor etc., record time of origin and regression time.Result shows, is combined covering calcium carbonate crystal whisker-ginkgoic acid of the present invention
During antibacterial fiber material and remove latter 3 days, each rabbit skin does not all show obvious skin wound repair and anaphylaxis.
Show product safety of the present invention, without skin irritation untoward reaction.
Claims (4)
1. calcium carbonate crystal whisker-ginkgoic acid composite antibacterial fibre material, it is characterised in that: calcium carbonate crystal whisker surface there are Semen Ginkgo
Acid, calcium carbonate crystal whisker is 1000:1-100:5 with the weight ratio of ginkgoic acid；
Described calcium carbonate crystal whisker is prepared by calcium carbonate powder, and wherein calcium carbonate content is more than 98%；
Described ginkgoic acid is extracted by Folium Ginkgo, and wherein ginkgoic acid content is more than 50%.
The preparation method of calcium carbonate crystal whisker the most according to claim 1-ginkgoic acid composite antibacterial fibre material, its feature exists
In: under conditions of coupling agent exists, react formation with calcium carbonate crystal whisker and ginkgoic acid；Concretely comprise the following steps:
A, prepare calcium carbonate crystal whisker and prepare: after fully being digested by lime powder, adding concentration is the di(2-ethylhexyl)phosphate of 0.5-1mmoL/L
Hydrogen sodium solution obtains suspension, is sufficiently stirred for and is heated to 90 DEG C, is passed through carbon dioxide and carries out carbonation reaction, and it is heavy to generate
Form sediment；After precipitation filtration, washing, dry at 100 DEG C, obtain calcium carbonate crystal whisker；
B, prepare ginkgoic acid: pulverizing Folium Ginkgo, additions solid-liquid ratio is 1:6(W/V) 80% ethanol, at bath temperature 60 DEG C, stir
Extract 2 times, each 4 hours；Collected by suction filtrate；Through D101 macroporous resin adsorption purification, the 100% ethanol desorbing of 10BV, decompression
Concentrate stripping liquid；It is vacuum dried at 60 DEG C, obtains ginkgoic acid extractum；C, taking calcium carbonate crystal whisker and be added to the water, ultrasonic disperse is formed outstanding
Buoyancy aid system；Take ginkgoic acid extractum to be dissolved in dehydrated alcohol, be then added in calcium carbonate crystal whisker suspension system；Add silane even
Connection agent, magnetic agitation is reacted 2 hours at a certain temperature；Filter, be vacuum dried at 60 DEG C calcium carbonate crystal whisker-ginkgoic acid be combined
Fibrous material.
The preparation method of calcium carbonate crystal whisker the most according to claim 2-ginkgoic acid composite antibacterial fibre material, its feature exists
In described step c, add the 1-5% that amount is calcium carbonate crystal whisker weight of silane coupler.
The preparation method of calcium carbonate crystal whisker the most according to claim 2-ginkgoic acid composite antibacterial fibre material, its feature exists
Reaction temperature in described step c is 50-80 DEG C.
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| US20060157882A1 (en) * | 2004-12-10 | 2006-07-20 | Simona Percec | Filled ultramicrocellular structures |
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