CN105012999A - Antibacterial gauze or bandage and preparation method thereof - Google Patents
Antibacterial gauze or bandage and preparation method thereof Download PDFInfo
- Publication number
- CN105012999A CN105012999A CN201510399409.XA CN201510399409A CN105012999A CN 105012999 A CN105012999 A CN 105012999A CN 201510399409 A CN201510399409 A CN 201510399409A CN 105012999 A CN105012999 A CN 105012999A
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- binder
- copper
- antibacterial
- solidification liquid
- antibacterial gauze
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Abstract
The invention discloses antibacterial gauze or bandage and its preparation method. The antibacterial gauze or bandage is prepared by blending of 80-99 wt% of medical absorbent cotton and 1-20 wt% of copper alginate fiber. The prepared gauze or bandage has good biosecurity and high antibacterial rate, is broad-spectrum antibacterial and environmentally friendly, has good compliance and is low-cost. In addition, antibacterial rate of the gauze or bandage is greater than 99%.
Description
Technical field
The present invention relates to medical dressing field, particularly relate to a kind of antibacterial gauze or binder and preparation method thereof.
Background technology
Medical absorbent cotton gauze and binder are medical industries for the conventional hygienic material of the purposes such as the hemostasis by compression of open wound wrapping, protection, cleaning and a small amount of bleeding wounds.Open wound is easily infected by bacterial and causes deterioration, affects the healing of wound, is necessary the anti-microbial property increasing gauze and binder.
Existing possess antibacterial functions gauze and binder mainly add chemical fibre or the chitin fiber blending preparation of the composite nano silver/silver iron compound/nano zine oxide possessing good antibacterial functions or adopt nanometer silver/silver iron compound/zinc oxide/chitosan material to be prepared by Final finishing.Antibiotic effective ingredient silver in aforementioned nanometer silver or silver iron compound is strong antibacterial, be easy to oxidized in atmosphere and lose antibiotic property, the shelf-life is short, expensive, human body is difficult to metabolism, use discarded after may cause the ecological environment of aqueous bio and have a strong impact on; The dependency of antibacterial functions to concentration of zinc oxide is very big; And chitosan does not possess broad-spectrum antiseptic function, and only competence exertion antibacterial action under sour environment.Therefore, be necessary to develop that new biological safety is high, broad spectrum antibacterial good, adaptability good, eco-friendly antibacterial gauze and binder.
Copper alginate fiber is by the sodium alginate extracted in natural seaweed, adopts soluble copper salt, the bio-based anti-bacterial fibre prepared by wet spinning technology, has good antibiotic property, broad-spectrum antiseptic.Copper is one of element of needed by human, and human body can natural metabolism, has good biological safety; Copper ion is the structural constituent of copper alginate fiber, possesses lasting antibiotic property; Adaptability is good; Biodegradable, be environmental friendliness fiber type.
Summary of the invention
The object of the present invention is to provide a kind of medical antibacterial gauze or binder of good anti-bacterial effect.
For achieving the above object, the invention provides a kind of antibacterial gauze or binder, it is characterized in that, prepared by medical absorbent cotton and copper alginate fiber blend;
Further, absorbent cotton is 99-80 % by weight absorbent cotton, and copper alginate fiber is 1-20 % by weight.
Further, described copper alginate fiber is take sodium alginate as raw material, with soluble copper salt if copper chloride or copper sulfate solution are for solidification liquid, adopts wet spinning technology to be prepared from.
Further, described copper alginate fiber be sodium alginate according to wet spinning technology, adopt two-step method to solidify and prepare.
Further, described first solidification liquid is the mixed solution of calcium chloride and copper chloride; Second solidification liquid is copper chloride solution.
Further, in described first solidification liquid, calcium chloride accounts for 50 ~ 75% mass fractions, and copper chloride accounts for 25% ~ 50% mass fraction, and mixed solution concentration is 2.5% ~ 5.0% mass fraction;
Further, the copper chloride solution of described second solidification liquid, concentration is 3.0 ~ 4.5% mass fractions.
Further, the solidification temperature of described first solidification liquid is 40 ~ 50
0c;
Optional, the solidification temperature of described second solidification liquid is 50 ~ 60
0c.
Further, the preparation method of described antibacterial gauze or binder is, medical absorbent cotton fiber is carried out shredding with copper alginate fiber mixing, mixes, spins after drafting; Gained sliver is made into roller by known weaving; Gained roller is cut, stripping and slicing, be folded into gauze piece or roller is cut, uncoiling, fixed length are cut, rewinding becomes binder.
The gauze that medical absorbent cotton fiber and copper alginate fiber blend prepare by the present invention and binder biological safety good, antibiotic rate is high, broad-spectrum antiseptic, environmental friendliness, and compliance is good, and bacteriostasis rate is greater than 99%, and cost is lower.
Antibacterial gauze composition of the present invention: absorbent cotton 80-99%+ copper alginate fiber 1-20%.
The production technology of antibacterial gauze of the present invention is for first to become yarn with copper alginate fiber blend by medical absorbent cotton fiber, roller is made into again through known weaving, then through cutting, fold, pack and be prepared into medical absorbent cotton gauze piece or process is cut, uncoiling, fixed length are cut, rewinding, be packaged into bandage roller, can sterilizing or unsterilised.Different from the technique of conventional medical absorbent cotton gauze and binder, the preparation technology of conventional medical absorbent cotton gauze and binder is: by cotton spinning, weave cotton cloth after carry out defat bleaching again, the technique such as clean, dry carries out post processing, then carry out cutting, fold, be packaged into medical absorbent cotton gauze or cut, uncoiling, fixed length cut, rewinding, be packaged into medical absorbent cotton binder.The reason of different process is adopted to be copper alginate fiber not resistance to defat highly basic sodium hydroxide.
The present invention's copper alginate used fiber can also different solidification liquids and two step solidification liquids be prepared.Described first step solidification liquid is 50-75 % CaCl
2mass fraction and 25-50 %CuCl
2mass fraction, both total mass fractions are 2.5-5%, solidification liquid temperature 45 ~ 50
0c.Second step solidification liquid is 3-4.5 quality % CuCl
2, solidification liquid temperature 50-60
0c, carries out further displacement crosslinking.The principle of hybrid ionic first step solidification liquid is effectively to weaken copper ion intermolecular force in the fibre, slows down setting rate, is conducive to the formation of the rock-steady structure of as-spun fibre.The effect of second step solidification liquid is to solidify further, replaces the calcium ion that complexation embeds, and improves content of copper ion in fiber, thus strengthens anti-microbial property.
CuCl in first step solidification liquid
2if higher than 50%, intermolecular active force is too strong, and reaction is too fast, and spinneret orifice can be plugged, cannot continuous seepage.The CuCl of second step solidification liquid
2concentration is too low can not replace completely, and high then replacing velocity is too fast, and processbearing astrocyte skin-core structure, is difficult to replace the calcium ion of separating out fiber middles, causes fiber spinnability to worsen.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.Unreceipted concrete technology or condition person in embodiment, according to the technology described by the document in this area or condition or carry out according to product description.Agents useful for same or the unreceipted production firm person of instrument, being can by the conventional products of commercial acquisition.
embodiment 1: the preparation of medical antibacterial gauze
Prepared by copper alginate fiber: take sodium alginate as raw material, with 4 mass fraction % copper chloride solutions for solidification liquid, adopts wet spinning technology to prepare copper alginate fiber.
Degreasing cotton fiber 99 % by weight and copper alginate fiber 1 % by weight carried out blending, prepare antibacterial gauze through series of process such as spinning, weave cotton cloth, cut, fold.
The present embodiment bacteriostasis rate is 96%, possesses good antibacterial effect.
embodiment 2: the preparation of antibacterial gauze
Take sodium alginate as raw material, with 4 mass fraction % copper sulfate solutions for solidification liquid, adopt wet spinning technology to prepare copper alginate fiber.
Degreasing cotton fiber 80 % by weight and copper alginate fiber 20 % by weight are carried out blending, prepares antibacterial gauze through series of process such as spinning, weave cotton cloth, cut, fold.
The present embodiment bacteriostasis rate is greater than 99.9995%.There is good antibacterial effect.
embodiment 3: the preparation of antimicrobial bandages
Stock solution prepare: by the sodium alginate of 2.8 quality % intrinsic viscosity 200mPa.s be dissolved in 40
0c water, stirring and dissolving, filters, deaeration, leaves standstill, obtains spinning solution; Spinning solution temperature 40
0c, viscosity 8000mPa.s;
Spinning: spinning solution is through the compressed air extrusion of 0.4MPa pressure, measured by dosing pump, then through candle filter, gooseneck, be immersed in the ejection of the spinning head in the first coagulating basin solidification liquid thread solidify traction, more successively through the second coagulating basin solidification liquid, 60 ~ 70
0c hot water drawing-off, 40 ~ 60
0c washes, is drying to obtain copper alginate fiber.In described spinning head, large spinneret cap aperture is 0.05 ~ 0.12mm, selects pore size according to required ultimate fibre fineness.
Described first coagulating basin solidification liquid is 75 % mass fraction CaCl
2with 25 % mass fraction CuCl
2,both total mass fractions are 2.5%, temperature 48
0c.Described second coagulating basin solidification liquid is 3.0 quality % CuCl
2solution, temperature 60
0c.
Degreasing cotton fiber 95 % by weight and copper alginate fiber 5 % by weight are carried out blending, and through spinning, weaving cotton cloth, cut, the series of process such as uncoiling, fixed length cut, rewinding prepares antibacterial gauze.
The present embodiment bacteriostasis rate large 99%.There is good antibacterial effect.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (9)
1. antibacterial gauze or a binder, is characterized in that, prepared by medical absorbent cotton and copper alginate fiber blend.
2. antibacterial gauze according to claim 1 or binder, is characterized in that, absorbent cotton is 99-80 % by weight absorbent cotton, and copper alginate fiber is 1-20 % by weight.
3. antibacterial gauze according to claim 1 or binder, is characterized in that, described copper alginate fiber is take sodium alginate as raw material, with soluble copper salt if copper chloride or copper sulfate solution are for solidification liquid, adopts wet spinning technology to be prepared from.
4. antibacterial gauze according to claim 1 or binder, is characterized in that, described copper alginate fiber be sodium alginate according to wet spinning technology, adopt two-step method to solidify and prepare.
5. antibacterial gauze according to claim 4 or binder, is characterized in that, described first solidification liquid is the mixed solution of calcium chloride and copper chloride; Second solidification liquid is copper chloride solution.
6. antibacterial gauze according to claim 5 or binder, is characterized in that, in described first solidification liquid, calcium chloride accounts for 50 ~ 75% mass fractions, and copper chloride accounts for 25% ~ 50% mass fraction, and mixed solution concentration is 2.5% ~ 5.0% mass fraction.
7. antibacterial gauze according to claim 5 or binder, is characterized in that, the copper chloride solution of described second solidification liquid, and concentration is 3.0 ~ 4.5% mass fractions.
8. antibacterial gauze described in claim 5 or binder, is characterized in that, the solidification temperature of described first solidification liquid is 40 ~ 50
0c;
Optional, the solidification temperature of described second solidification liquid is 50 ~ 60
0c.
9. antibacterial gauze described in claim 1 or binder, is characterized in that, preparation method is, medical absorbent cotton fiber carried out shredding with copper alginate fiber mixing, mixes, spins after drafting; Gained sliver is made into roller by known weaving; Gained roller is cut, stripping and slicing, be folded into gauze piece or roller is cut, uncoiling, fixed length are cut, rewinding becomes binder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399409.XA CN105012999A (en) | 2015-07-09 | 2015-07-09 | Antibacterial gauze or bandage and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399409.XA CN105012999A (en) | 2015-07-09 | 2015-07-09 | Antibacterial gauze or bandage and preparation method thereof |
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| CN105012999A true CN105012999A (en) | 2015-11-04 |
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| CN201510399409.XA Pending CN105012999A (en) | 2015-07-09 | 2015-07-09 | Antibacterial gauze or bandage and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463700A (en) * | 2015-12-18 | 2016-04-06 | 厦门百美特生物材料科技有限公司 | Spunlace alginate dressing |
| CN106178069A (en) * | 2016-08-30 | 2016-12-07 | 苏州美迪斯医疗运动用品股份有限公司 | A kind of first aid bleeding-stopping dressing and preparation method thereof |
| CN106868668A (en) * | 2017-04-06 | 2017-06-20 | 绍兴文理学院 | A kind of copper alginate fiber blend yarn and preparation method at high proportion |
| CN106884239A (en) * | 2017-04-06 | 2017-06-23 | 绍兴华通色纺有限公司 | A kind of cotton and the processing method of copper alginate mixed yarn |
| CN107899062A (en) * | 2017-11-16 | 2018-04-13 | 安徽斯麦特医学技术开发有限公司 | A kind of medical antibacterial gauze |
| CN108079365A (en) * | 2017-12-20 | 2018-05-29 | 江苏省健尔康医用敷料有限公司 | The antibacterial absorbent gauze of waterproof ventilating type |
| CN108159476A (en) * | 2017-12-11 | 2018-06-15 | 江苏金秋弹性织物有限公司 | A kind of preparation method of medical antibacterial bandage |
| CN108867048A (en) * | 2018-06-06 | 2018-11-23 | 吴江康欣医用敷料有限公司 | It is a kind of can quick-acting haemostatic powder carbassus preparation method and applications |
| CN110559128A (en) * | 2019-08-28 | 2019-12-13 | 孙朋付 | Antibacterial gauze for protecting skin wound surface |
| CN113304301A (en) * | 2021-05-21 | 2021-08-27 | 周建大 | Novel multifunctional wound dressing for treating chronic wound |
| CN115161842A (en) * | 2022-08-15 | 2022-10-11 | 罗莱生活科技股份有限公司 | Seaweed modified fiber blended fabric and preparation method thereof |
| WO2023005035A1 (en) * | 2021-07-28 | 2023-02-02 | 江苏国望高科纤维有限公司 | Alginate medical fiber, and preparation method therefor and application thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463700A (en) * | 2015-12-18 | 2016-04-06 | 厦门百美特生物材料科技有限公司 | Spunlace alginate dressing |
| CN106178069A (en) * | 2016-08-30 | 2016-12-07 | 苏州美迪斯医疗运动用品股份有限公司 | A kind of first aid bleeding-stopping dressing and preparation method thereof |
| CN106868668A (en) * | 2017-04-06 | 2017-06-20 | 绍兴文理学院 | A kind of copper alginate fiber blend yarn and preparation method at high proportion |
| CN106884239A (en) * | 2017-04-06 | 2017-06-23 | 绍兴华通色纺有限公司 | A kind of cotton and the processing method of copper alginate mixed yarn |
| CN107899062A (en) * | 2017-11-16 | 2018-04-13 | 安徽斯麦特医学技术开发有限公司 | A kind of medical antibacterial gauze |
| CN108159476A (en) * | 2017-12-11 | 2018-06-15 | 江苏金秋弹性织物有限公司 | A kind of preparation method of medical antibacterial bandage |
| CN108079365A (en) * | 2017-12-20 | 2018-05-29 | 江苏省健尔康医用敷料有限公司 | The antibacterial absorbent gauze of waterproof ventilating type |
| CN108867048A (en) * | 2018-06-06 | 2018-11-23 | 吴江康欣医用敷料有限公司 | It is a kind of can quick-acting haemostatic powder carbassus preparation method and applications |
| CN110559128A (en) * | 2019-08-28 | 2019-12-13 | 孙朋付 | Antibacterial gauze for protecting skin wound surface |
| CN113304301A (en) * | 2021-05-21 | 2021-08-27 | 周建大 | Novel multifunctional wound dressing for treating chronic wound |
| WO2023005035A1 (en) * | 2021-07-28 | 2023-02-02 | 江苏国望高科纤维有限公司 | Alginate medical fiber, and preparation method therefor and application thereof |
| CN115161842A (en) * | 2022-08-15 | 2022-10-11 | 罗莱生活科技股份有限公司 | Seaweed modified fiber blended fabric and preparation method thereof |
| CN115161842B (en) * | 2022-08-15 | 2023-08-15 | 罗莱生活科技股份有限公司 | Seaweed modified fiber blended fabric and preparation method thereof |
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Songlin Inventor after: Qiu Dong Inventor after: Liu Chengsheng Inventor after: Lin Liwen Inventor after: Huang Fulong Inventor before: Liu Songlin Inventor before: Qiu Dong Inventor before: Liu Chengsheng Inventor before: Lin Liwen Inventor before: Huang Fulong |
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Application publication date: 20151104 |