CN106421873A - Functional medical dressing and preparation method thereof - Google Patents
Functional medical dressing and preparation method thereof Download PDFInfo
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- CN106421873A CN106421873A CN201611034732.8A CN201611034732A CN106421873A CN 106421873 A CN106421873 A CN 106421873A CN 201611034732 A CN201611034732 A CN 201611034732A CN 106421873 A CN106421873 A CN 106421873A
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- medical dressing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/44—Medicaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/59—Polyamides; Polyimides
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
- A61L2300/102—Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates
- A61L2300/104—Silver, e.g. silver sulfadiazine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
A functional medical dressing and a preparation method thereof are provided; a multi-amino monomer is cooled with ice-water bath, a vinyl monomer and a solvent are dropwise added into the multi-amino monomer under the protection of nitrogen by using a dropper, reacting is allowed for 4 hours after dropwise adding to generate a light yellow intermediate, and the intermediate is placed on a rotary evaporator to remove the solvent under reduced pressure and is heated and depressurized to obtain multi-amino hyperbranched polymer; a modifier is added to the multi-amino hyperbranched polymer, and heating and depressurizing are performed to obtain closed spatial network structural polyamide tree-like macromolecular polymer; silver ion compound solution is added to the closed spatial network structural polyamide tree-like macromolecular polymer solution to complex-reduce the polymer to obtain stable nano silver solution; rolled pure-cotton nonwoven or degreased gauze is passed through an immersion tank holding the above nano silver solution, and is then subjected to padding, hot blast drying, cutting, packaging and cobalt 60 irradiation sterilization to obtain the medical dressing.
Description
Technical field
The present invention relates to a kind of medical functional dressing, particularly a kind of feature medical dressing and preparation method thereof.
Background technology
Medical dressing is the class clinical medical material for temporarily covering the wounds such as burn, ulcer, wound, and its Main Function is
Control the transudate of wound and protect the wound from the pollution of the external sources such as antibacterial and grit.
Silver nano material, is being changed with performances such as unique light, electricity, magnetic, heat, antibacterials as size is little, specific surface area big
Learn the aspect such as detection, bio-imaging and antibiotic preparation to be all widely used.Nanometer silver has extremely strong nano active, performance
Go out the antibacterial ability of overlength, the pathogenic microorganism such as common antibacterial, funguses, mycoplasma can be killed under extremely low concentration.With
Antibiotic is compared, nanometer silver have bactericidal action do not affected by pH value, broad-spectrum antiseptic, have no drug resistance, effect persistently, meet water and sterilize
Power is higher, safety and environmental protection the features such as, be preferable anti-biotic material, can be widely applied to numerous industries.Have been used for antibacterial at present to knit
Thing, gel, antibacterial stock solution, the product such as micropowder, and can be widely applied to gynecological infection, mycotic infection of superficial part, Wound care, Shui Chu
The fields such as reason, hygienic material, daily necessities.As it does not have the succedaneum that drug resistance is splendid antibiotic, it is a kind of peace
The non-antibiotic class efficient germicide of All Pure Nature.
Silver dressings are a kind of preferable, safe, economic change medicine dressings for chronic refractory wound.But the big portion in market
Point silver dressings are due to so that dressing itself is easy to change loses fungistatic effect, and silver release the features such as silver ion itself is oxidizable
Uncontrollable it is easily caused deposition of silver and fungistatic effect is not lasting.
Content of the invention
The technical problem to be solved is, for prior art deficiency, provide a kind of not oxidizable, not variable
Color, and the controlled feature medical dressing of silver release and preparation method thereof.
For solving above-mentioned technical problem, the technical solution used in the present invention is：A kind of preparation side of feature medical dressing
Method, which comprises the following steps：
1) polyamino monomer is cooled to 5-10 DEG C with ice-water bath；
2) with funnel under nitrogen protection to step 1) Deca vinyl monomer and solvent in the polyamino monomer that obtains, drop
Add after finishing reaction under room temperature and generate faint yellow intermediate in 4 hours, intermediate is placed on Rotary Evaporators be removed under reduced pressure molten
Agent, then be warmed up to 120 DEG C -140 DEG C Depressor response 2-4 hours and obtain polyamino dissaving polymer；
3) in polyamino dissaving polymer add modifying agent be warmed up to 140-150 DEG C continue Depressor response 1-4 little
When obtain the tree-shaped macromolecule polyalcohol of closing space network structure polyamide；
4) in the tree-shaped macromolecule polyalcohol of closing space network structure polyamide, silver iron compound is added to make its complexation
Reduction obtains stable nanometer silver solution；
5) by rolling pure cotton non-woven fabrics or absorbent carbasuss with the speed of 10-12m/min by filling above-mentioned nanometer silver solution
Immersion groove, then prick through overvoltage, 110-120 DEG C of hot-air seasoning, cut, pack, 60Coradiation sterilizes, obtain final product.
The polyamino monomer is diethylenetriamine, triethylene tetramine, TEPA or pentaethylene hexamine.
The vinyl monomer is acrylic acid, acrylic acid methyl ester., methyl methacrylate or ethyl acrylate.
The solvent is methanol, chloroform or N,N-dimethylformamide.
The silver iron compound is silver nitrate, silver acetate.
The modifying agent is succinic anhydride, maleic anhydride.
The step 2) in polyamino monomer and vinyl monomer mol ratio 1:1-1:3, the step 3) in polyamino
The mol ratio 1 of monomer and modifying agent:0.1-1:1.
For solving above-mentioned technical problem, present invention also offers feature medical dressing prepared by a kind of said method.
The present invention is gathered by designing a kind of closing space network structure polyamide dendrimer of cation type of synthesis
The stable nano-silver water solution of compound, then be that cotton/fiber crops base material (absorbent carbasuss, pure cotton non-woven fabrics etc.) soaks to material with which
Profit, because cotton/fiber crops base material main chemical compositions are cellulose, and cellulose contains substantial amounts of hydroxyl isopolarity group, after its water suction
Ionization is produced in water, therefore carries upper certain negative charge, tree-shaped with the closing space network structure polyamide of cation type
The stable nanometer silver of macromolecule polyalcohol makes the nanometer silver with bacteriostasis be adhering closely to cotton/fiber crops base material by Electrostatic Absorption
Above it is not easy to decolourize, while its closing space network structure makes nanometer silver stably discharge guarantee dressing fungistatic effect persistently, so
Prick through overvoltage again afterwards, (Co 60 sterilizing or ethylene oxide sterilizing) is dried, cut, being sterilized to (100-150 DEG C), that is, obtain color and luster homogeneous
Beautiful, good color fastness is difficult decolouring, good antimicrobial effect and the lasting, dressing of good biocompatibility.
Present invention process is simple, suitable industrialization and continuously production；Gained functional dressing is equal without the need for dyeing colouring, color and luster
One is beautiful, good color fastness is difficult to decolourize；Silver ion progressively discharges, avoids silver ion deposition, antibacterial lasting and biocompatibility
Good.
Specific embodiment
Embodiment 1：
Weigh 103.2g diethylenetriamine and be placed in ice-water bath cooling in 500ml there-necked flask；Protected in nitrogen with constant pressure funnel
The mixed solution of 87.0g acrylic acid methyl ester. and 200ml methanol is slowly added dropwise under shield, reacts life in 4 hours after completion of dropping under room temperature
Become faint yellow intermediate, above-mentioned intermediate is transferred in eggplant-shape bottle methanol is removed under reduced pressure on a rotary evaporator, be warmed up to
120 DEG C of Depressor responses obtain polyamino dissaving polymer for 4 hours, add the succinic anhydride of 10g to be warmed up to 140 DEG C and continue decompression
Reaction obtains the tree-shaped macromolecule polyalcohol of closing space network structure polyamide for 4 hours.
By 500ml mass fraction be 0.1% silver nitrate solution be slowly dropped to 500ml mass fraction be 0.1% above-mentioned
In the tree-shaped macromolecule polyalcohol aqueous solution of polyamide, under agitation solution is heated to 90 DEG C after completion of dropping and is cooled to
Room temperature, that is, obtain stable nanometer silver solution.
Rolling absorbent carbasuss are pricked through overvoltage by filling the immersion groove of above nanometer silver solution again with 10m/mim speed,
120 DEG C of hot-air seasonings, cut, pack, the golden yellow functional dressing of 60Coradiation sterilizing, thus obtaining the product to silver content 1200ppm.
Embodiment 2：
Weigh 51.6g diethylenetriamine and be placed in ice-water bath cooling in 250ml there-necked flask；Protected in nitrogen with constant pressure funnel
Under be slowly added dropwise the mixed solution of 43.0g acrylic acid methyl ester. and 100ml methanol, react under room temperature 4 hours after completion of dropping and generate
Faint yellow intermediate, above-mentioned intermediate monomer is transferred in eggplant-shape bottle methanol is removed under reduced pressure on a rotary evaporator, then be warmed up to
140 DEG C of Depressor responses obtain polyamino dissaving polymer for 2 hours, add the maleic anhydride of 10g to be warmed up to 150 DEG C and continue decompression
Reaction obtains the tree-shaped macromolecule polyalcohol of closing space network structure polyamide for 2 hours.
By 500ml mass fraction be 0.01% silver acetate solution be slowly dropped to 500ml mass fraction be 0.01% upper
State in the tree-shaped macromolecule polyalcohol aqueous solution of polyamide, under agitation solution is heated to boiling after completion of dropping and cools down again
To room temperature, that is, obtain stable nanometer silver solution.
Rolling absorbent carbasuss are pricked through overvoltage by filling the immersion groove of above nanometer silver solution again with 10m/mim speed,
120 DEG C of hot-air seasonings, cut, pack, 60Coradiation sterilizing, thus obtaining the product is to silver content 600ppm golden yellow functional dressing.
Embodiment 3：
Weigh 122.6g TEPA and be placed in ice-water bath cooling in 500ml there-necked flask；Protected in nitrogen with constant pressure funnel
The mixed solution of 57.5g acrylic acid methyl ester. and 200ml chloroform is slowly added dropwise under shield, and after completion of dropping, under room temperature, reaction 4 is little
The faint yellow intermediate of Shi Shengcheng, above-mentioned intermediate monomer is transferred in eggplant-shape bottle three chloromethanes is removed under reduced pressure on a rotary evaporator
Alkane, obtains polyamino dissaving polymer for 2 hours 140 DEG C of Depressor responses are warmed up to, and adds the succinic anhydride of 13.4g to be warmed up to
150 DEG C are continued Depressor response and obtain within 1 hour the tree-shaped macromolecule polyalcohol of closing space network structure polyamide.
500ml mass fraction is that to be slowly dropped to 500ml mass fraction be 0.005% to 0.005% silver nitrate solution
In the tree-shaped macromolecule polyalcohol aqueous solution of above-mentioned polyamide, by solution normal-temperature reaction 48 hours after completion of dropping, that is, stablized
Nanometer silver solution.
By rolling pure cotton non-woven fabrics with 12m/mim speed by filling the immersion groove of above nanometer silver solution again through overvoltage
Prick, 110 DEG C of hot-air seasonings, cut, pack, 60Coradiation sterilizing, thus obtaining the product is to the golden yellow functional dressing of silver content 600ppm.
Below 3 gained functional dressing of embodiment 1- embodiment is decolourized and bacteriostatic test, obtained experimental result such as
Under：
In 1 example of table, sample is through following process color throw
In 2 example of table, sample cleaning, drying after purified water soaks different time surveys its fungistatic effect again
Claims (8)
1. a kind of preparation method of feature medical dressing, it is characterised in that comprise the following steps：
1) polyamino monomer is cooled to 5-10 DEG C with ice-water bath；
2) with funnel under nitrogen protection to step 1) Deca vinyl monomer and solvent in the polyamino monomer that obtains, drip
After finishing, under room temperature, reaction generates faint yellow intermediate in 4 hours, and intermediate is placed into removal of solvent under reduced pressure on Rotary Evaporators, then
It is warmed up to 120 DEG C -140 DEG C Depressor response 2-4 hours and obtains polyamino dissaving polymer；
3) in polyamino dissaving polymer add modifying agent be warmed up to 140-150 DEG C continue Depressor response 1-4 hour obtain
To the tree-shaped macromolecule polyalcohol of closing space network structure polyamide；
4) in the tree-shaped macromolecule polyalcohol of closing space network structure polyamide, add silver iron compound to make its complexation reduction
Obtain stable nanometer silver solution；
5) by rolling pure cotton non-woven fabrics or absorbent carbasuss with the speed of 10-12m/min by filling the leaching of above-mentioned nanometer silver solution
Liquid bath, then prick through overvoltage, 110-120 DEG C of hot-air seasoning, cut, pack, 60Coradiation sterilizes, obtain final product.
2. a kind of preparation method of feature medical dressing according to claim 1, it is characterised in that the polyamino list
Body is diethylenetriamine, triethylene tetramine, TEPA or pentaethylene hexamine.
3. a kind of preparation method of feature medical dressing according to claim 1, it is characterised in that the vinyl list
Body is acrylic acid, acrylic acid methyl ester., methyl methacrylate or ethyl acrylate.
4. the preparation method of a kind of feature medical dressing according to claim 1, it is characterised in that the solvent be
Alcohol, chloroform or N,N-dimethylformamide.
5. the preparation method of a kind of feature medical dressing according to claim 1, it is characterised in that described silver-ionized
Compound is silver nitrate, silver acetate.
6. according to a kind of preparation method of the feature medical dressing described in claim 1, it is characterised in that the modifying agent is fourth
Dicarboxylic anhydride, maleic anhydride.
7. a kind of preparation method of feature medical dressing according to claim 1, it is characterised in that the step 2) in
The mol ratio 1 of polyamino monomer and vinyl monomer:1-1:3, the step 3) in polyamino monomer and modifying agent mol ratio
1:0.1-1:1.
8. a kind of feature medical dressing that prepared by a kind of claim 1 methods described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034732.8A CN106421873A (en) | 2016-11-23 | 2016-11-23 | Functional medical dressing and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034732.8A CN106421873A (en) | 2016-11-23 | 2016-11-23 | Functional medical dressing and preparation method thereof |
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| CN106421873A true CN106421873A (en) | 2017-02-22 |
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ID=58221560
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| CN201611034732.8A Pending CN106421873A (en) | 2016-11-23 | 2016-11-23 | Functional medical dressing and preparation method thereof |
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Cited By (6)
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|---|---|---|---|---|
| CN107266895A (en) * | 2017-06-11 | 2017-10-20 | 成都吱吖科技有限公司 | A kind of medical colloidal sol type makrolon material of high biocidal property and preparation method thereof |
| CN111206428A (en) * | 2020-02-10 | 2020-05-29 | 廖珊 | Antibacterial crease-resistant fabric with flame retardant property and preparation process thereof |
| CN112478321A (en) * | 2020-12-08 | 2021-03-12 | 苑占浩 | Method for disinfecting wet and dry napkin for infants |
| CN113024825A (en) * | 2021-02-26 | 2021-06-25 | 长沙海润生物技术有限公司 | Modified polyamide complex silver and preparation method thereof |
| CN113026367A (en) * | 2021-02-26 | 2021-06-25 | 长沙海润生物技术有限公司 | Medical silver-carrying gauze and preparation method thereof |
| CN115227859A (en) * | 2022-07-29 | 2022-10-25 | 长沙海润生物技术有限公司 | High-removal-rate bacteria-sensitive chelating silver dressing and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266895A (en) * | 2017-06-11 | 2017-10-20 | 成都吱吖科技有限公司 | A kind of medical colloidal sol type makrolon material of high biocidal property and preparation method thereof |
| CN111206428A (en) * | 2020-02-10 | 2020-05-29 | 廖珊 | Antibacterial crease-resistant fabric with flame retardant property and preparation process thereof |
| CN111206428B (en) * | 2020-02-10 | 2020-12-22 | 辛集市东方纺织印染有限公司 | Antibacterial crease-resistant fabric with flame retardant property and preparation process thereof |
| CN112478321A (en) * | 2020-12-08 | 2021-03-12 | 苑占浩 | Method for disinfecting wet and dry napkin for infants |
| CN113024825A (en) * | 2021-02-26 | 2021-06-25 | 长沙海润生物技术有限公司 | Modified polyamide complex silver and preparation method thereof |
| CN113026367A (en) * | 2021-02-26 | 2021-06-25 | 长沙海润生物技术有限公司 | Medical silver-carrying gauze and preparation method thereof |
| CN113026367B (en) * | 2021-02-26 | 2022-07-26 | 长沙海润生物技术有限公司 | Medical silver-carrying gauze and preparation method thereof |
| CN115227859A (en) * | 2022-07-29 | 2022-10-25 | 长沙海润生物技术有限公司 | High-removal-rate bacteria-sensitive chelating silver dressing and preparation method thereof |
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