CN104224446B - Alginate bandage and its manufacturing method - Google Patents
Alginate bandage and its manufacturing method Download PDFInfo
- Publication number
- CN104224446B CN104224446B CN201410447318.4A CN201410447318A CN104224446B CN 104224446 B CN104224446 B CN 104224446B CN 201410447318 A CN201410447318 A CN 201410447318A CN 104224446 B CN104224446 B CN 104224446B
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- Prior art keywords
- bandage
- alginate
- woven fabrics
- glue
- acrylic acid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive plasters or dressings
- A61F13/023—Adhesive plasters or dressings wound covering film layers without a fluid handling layer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive plasters or dressings
- A61F13/0259—Adhesive plasters or dressings characterised by the release liner covering the skin adhering layer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive plasters or dressings
- A61F13/0276—Apparatus or processes for manufacturing adhesive dressings or bandages
- A61F13/0289—Apparatus or processes for manufacturing adhesive dressings or bandages manufacturing of adhesive dressings
Abstract
The invention discloses alginate bandage and its manufacturing method, bandage is made of waterproof fabrics, medical acrylic acid glue layer, 100% alginate non-woven fabrics and protection sheet；The Weftwise stretch of the waterproof fabrics is more than 150%；The medical acrylic acid glue layer coating is set to the side of waterproof fabrics；The 100% alginate non-woven fabrics is set on medical acrylic acid glue layer；The barrier paper is covered on medical acrylic acid glue layer and 100% alginate non-woven fabrics.Absorbent wool used in the present invention is that the non-woven fabrics produced by 100% alginate is constituted; compared to common bandage; liquid protective film is formed with sterilizing certainly, biodegradation, in wound surface; never the advantages of adhesion wound; it is a kind of completely new waterproof there is no need to use antiadhesion barrier, promotes healing; the alginate bandage of protective film is formed from sterilizing, and in wound surface.
Description
Technical field
The present invention relates to one kind having waterproof, promotes healing, sterilizes certainly, and forms the alginic acid of protective film in wound surface
Salt bandage and its manufacturing method.
Background technology
Human living standard is higher and higher, and the requirement for medical treatment and nursing is also higher and higher, the small-sized wound in life, most
Good scheme is to oneself and directly handles, and this has just expedited the emergence of the rise of bandage product.Existing bandage structure is as said
Shown in bright book attached drawing 1, using not having coating hot-melt adhesive on springy fabric substantially, absorbent wool is set on glue, on absorbent wool
Compound one layer of Anti-adhering plastic film again.Such structure there is a problem of following：(1) viscosity is inadequate；Existing bandage is all made of doctor
Use hot melt adhesive as the carrier of viscosity, although and medical hot melt adhesive production technology is fairly simple, it is viscous due to medical hot melt adhesive
Property it is innately unstable, and it is very poor to hold viscosity, after being affixed on human body, if perspired or the movement of slightly larger breadth, or in external friction
In the case of, it will directly fall off, if in the case of water breakthrough, can directly lose viscosity.(2) fabric is without water proofing property and shortage
Elastic force；After wound is sticked, to prevent wound infection from should avoid getting wet as possible, but existing bandage cannot reach effectively anti-
Water, and if using waterproof fabric, and can be because coat hot melt adhesive on waterproof fabrics, due to the presence of waterproofing agent, hot melt
The binding strength of glue and fabric will be insufficient, and faces the technical barrier that glue falls off；Existing fabric elastic force is inadequate simultaneously, and one
As elastic force 20% hereinafter, use when comfort level it is inadequate, foreign body sensation is strong, cladding position bending after, be easy to be formed at edge scarce
Mouthful, lose the defencive function of bandage.(3) after the absorbent wool of cotton material contacts a period of time with damaged wound, it is easy to
Adhesion is formed with Wound exudate, must must just remove and clean a wound, forms secondary damage.The method that existing bandage solves is
Add attached one layer of Anti-adhering plastic film on cotton absorbent wool, thus can bring the problem of water imbibition deficiency, lead to Wound exudate not
It can be completely absorbed, influence the reparation of wound.In addition, the absorbent wool is only capable of keeping wound limited to form wound with air partition
Protection, sometimes due to the presence of Anti-adhering plastic film, water absorption pad can not be completely closely sealed with wound, and bacterium is easy invasion, not
It can promote wound healing.
Invention content
First purpose of the present invention is to promote healing with waterproof, and protective film is formed from sterilizing, and in wound surface
Alginate bandage.
Realize that the technical solution of first purpose of the invention is a kind of alginate bandage, by waterproof fabrics, medical third
Olefin(e) acid glue layer, 100% alginate non-woven fabrics and protection sheet are constituted；The Weftwise stretch of the waterproof fabrics is more than 150%；Institute
State the side that the coating of medical acrylic acid glue layer is set to waterproof fabrics；The 100% alginate non-woven fabrics is set to medical
On acrylate glue water layer；The barrier paper is covered on medical acrylic acid glue layer and 100% alginate non-woven fabrics.It is described anti-
The thickness of water surface material is no more than 300 grams/m, and passes through three-level water-proofing treatment.The medical acrylic acid glue layer is full coat
The discontented coating that layer or setting are had vacant position.
Second object of the present invention is to provide a kind of waterproof, promotes healing, from sterilizing, and is formed and is protected in wound surface
The production method of the alginate bandage of film.
Realize that the technical solution of second purpose of the invention is a kind of production method of alginate bandage, including following
Step：
Step 1：Prepare the stretch fabric that Weftwise stretch is more than 150%, and passes through three-level water-proofing treatment；The Weftwise stretch
Cloth is made using cotton covering yarn or synthetic cotton covering yarn；Stretch fabric fabric thickness is no more than 300 grams/m, is used
Fabric tissue be that plain weave or twill-weave or plain weave add twill-weave；
Step 2：Prepare the medical acrylic acid glue that curing degree is 40%~60%；
Step 3：Prepare the 100% alginate non-woven fabrics that the grammes per square metre scope is 60~140 grams/m；Alginate without
Woven fabric is the alginate that purity is 100%, the fibre bundle of different length and rugosity is obtained by wet spinning, using spun lacing
Method produces to obtain non-woven fabrics；According to the non-woven fabrics size that final products need, it is cut into coiled suitable width, the width is small
The bandage substrate width cut in step 5；Preferably, then cutting to less than the non-woven fabrics of finished product bandage width
Volume.
Step 4：Medical acrylic acid glue is evenly coated on Weftwise stretch cloth, the fabric with glue enters after gluing
Drying tunnel dries the solvent in glue by multistage drying tunnel；The thickness control of medical acrylic acid glue is between 15 to 25；It dries
The temperature in road integrally arranges from low to high, and temperature range is between 40 DEG C to 140 DEG C；Glue spreading method is direct gluing or transfer
Gluing；Can vacancy be set when gluing so that bandage more breathes freely while can also save glue.
Step 5：It is coated with the compound one layer of barrier paper of glue one side in fabric, big volume is received, according to the requirement of final finished size
Longitudinal cutting is suitable width, obtains bandage base material；
Step 6：The bandage base material of 100% alginate non-woven fabrics of step 3 and step 5 is positioned over bandage
In production machine, at the same on frame bandage anti-sticking protection sheet and packaging bag；
Step 7：The barrier paper of glue one side on bandage base material is removed, it is synchronous to be in the compound upper slitting in center
The non-woven fabrics of fritter, resynchronisation are having the compound upper protection sheet of the one side of glue and non-woven fabrics, finally bond the packaging bag of bandage,
Obtain alginate bandage.
After using above-mentioned technical proposal, the present invention has beneficial effect below：(1) present invention takes full advantage of sea
The biological degradability of alginates, biocompatibility, and good characteristics such as the good interactivity of tissue liquid, allow directly facing
Wound, therefore can ensure that wound heals in wet condition, the body fluid of wound exudation can be fully absorbed, while playing sterilizing
Effect, and its ability of preventing adhesion is avoided that and wound adhesion；Simultaneously in view of after being bonded of bandage and human body, body surface
The different actual conditions of curvature use high latitude elasticity fabric, to adapt to the requirement of different body surfaces；Consider wound simultaneously again
Patch can face various service conditions with being affixed on after human body in actual use, and the anti-sweat of waterproof and sticky requirement are high, from
And use medical acrylic acid as the intermediary sticked, therefore be a kind of completely new waterproof, promote healing, from sterilizing, and is hindering
Discharge surface forms the alginate bandage of protective film.
(2) present invention is by material innovation and process innovation perfect adaptation, and breakthrough selection elastic force reaches on material
150% weft spring cloth, and done 3 grades of water-proofing treatments；Glue is stronger using viscosity, not only realizes the tack requirements after finished product,
Also it can realize in process of production medical acrylic acid the phenomenon that preventing degumming, in process of production compared with hot melt adhesive, not produce
This is primarily due to medical acrylic acid as liquid for raw degumming, can partly penetrate into fabric structure；And directly facing wound
The part of mouth is substituted original absorbent wool, is then taken full advantage of alginate using biodegradable alginate non-woven fabrics
Every good characteristic.In technique, water-proofing treatment is directly done on fabric, and surface used in part bandage product is not used to apply
Layer waterproof, to ensure that the flexibility of fabric；Using drying road type glue spreading method, the binding strength higher of glue and fabric, and
And in the compound barrier paper of semi-finished product phase, in glue surface form, the full coat method of existing bandage is not exclusively used, and selectively
Using interval or decorative pattern coating, can not only save glue quantity can also increase the gas permeability of finished product；Other bandages are not used
The antiadhesion barrier that product must have, but alginate non-woven fabrics is directly allowed to face wound.Pass through brand new technical and material and technology
Combination, assign the completely new function of bandage, including：Waterproof (contains anti-foreign liquid ability, meeting water viscosity after finished product patch keeps energy
Power), sterilizing, it is biodegradable, form liquid protective film in wound surface, never adhesion wound adapts to human body surface curvature and complete
Closely sealed joint function.
(3) bandage of the invention using when can reach effect below：After being affixed on human body surface, docile property is splendid, can
To be attached at human body surface completely；Three-level water-proof function is directly reached, can effectively block in daily life various liquid to wound
Mouthful infringement, while realize patch after intake or perspiration state under, bandage, which does not fall, not to be taken off, and seven days or more effects can be used continuously
Fruit；The absorbable liquid for reaching 11 times of dead weight of alginate non-woven fabrics, can effectively absorb the exudate of wound；Adhesion wound,
It, will not the related wound trauma that will have been scabbed when stripping；Protective film and aerobic environment are formed in wound surface, wound is promoted to be cured
It closes；The born sterilization ability of alginate fibre can effectively reduce the probability of superinfection.
Description of the drawings
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, wherein
Fig. 1 is bandage structural schematic diagram in the prior art, and protection sheet is eliminated in figure.
Fig. 2 is the bandage structural schematic diagram of the present invention, and protection sheet is eliminated in figure.
Attached figure label is：
Waterproof fabrics 1, medical acrylic acid glue layer 2,100% alginate non-woven fabrics 3.
Specific implementation mode
(embodiment 1)
See Fig. 2, the alginate bandage of the present embodiment, by waterproof fabrics 1,2,100% sea of medical acrylic acid glue layer
Alginates non-woven fabrics 3 and protection sheet are constituted；The Weftwise stretch of waterproof fabrics 1 is more than 150%；Medical acrylic acid glue layer 2 coats
It is set to the side of waterproof fabrics 1；100% alginate non-woven fabrics 3 is set on medical acrylic acid glue layer 2；Barrier paper covers
It covers on medical acrylic acid glue layer 2 and 100% alginate non-woven fabrics 3.The thickness of waterproof fabrics 1 is no more than 300 grams/square
Rice, and pass through three-level water-proofing treatment.Medical acrylic acid glue layer 2 is full coat layer or the discontented coating that setting is had vacant position.
Production method, it is characterised in that include the following steps：
Step 1：Prepare the stretch fabric that Weftwise stretch is more than 150%, and passes through three-level water-proofing treatment；Weftwise stretch cloth is adopted
With cotton covering yarn, either synthetic cotton covering yarn is made or other modes can；In order to have better comfort level, stretch fabric
Fabric thickness is no more than 300 grams/m, and used fabric tissue is that plain weave or twill-weave or plain weave add
Twill-weave.
Step 2：Prepare the medical acrylic acid glue that curing degree is 40%~60%；
Step 3：Preparation the grammes per square metre scope is 60~140 gram/m of 100% alginate non-woven fabrics；According to final products
The non-woven fabrics size needed is cut into coiled suitable width, is cut to the non-woven fabrics of 2.3cm width in the present embodiment
Volume.Alginate is extracted from seaweed, and the fibre bundle of different length and rugosity is obtained by wet spinning, is given birth to using spun lacing method
Production obtains non-woven fabrics.
Step 4：Medical acrylic acid glue is evenly coated on Weftwise stretch cloth, the fabric with glue enters after gluing
Drying tunnel dries the solvent in glue by multistage drying tunnel；The thickness control of medical acrylic acid glue is between 15 to 25；It dries
The temperature in road integrally arranges from low to high, and temperature range is between 40 DEG C to 140 DEG C；Glue spreading method is direct gluing or transfer
Gluing.
Step 5：It is coated with the compound one layer of barrier paper of glue one side in fabric, big volume is received, according to the requirement of final finished size
Longitudinal cutting is suitable width, is cut to the big volume of fabric of 8cm width in the present embodiment, obtains bandage base material；
Step 6：The bandage base material of 100% alginate non-woven fabrics of step 3 and step 5 is positioned over bandage
In production machine, at the same on frame bandage anti-sticking protection sheet and packaging bag；
Step 7：The barrier paper of glue one side on bandage base material is removed, it is synchronous to be in the compound upper slitting in center
The non-woven fabrics of fritter, resynchronisation are having the compound upper protection sheet of the one side of glue and non-woven fabrics, finally bond the packaging bag of bandage,
Obtain alginate bandage.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (7)
1. a kind of production method of alginate bandage, it is characterised in that include the following steps：
Step 1：Prepare the stretch fabric that Weftwise stretch is more than 150%, and passes through three-level water-proofing treatment；
Step 2：Prepare medical acrylic acid glue；
Step 3：Prepare 100% alginate non-woven fabrics；According to the non-woven fabrics size that final products need, it is cut into coiled
Suitable width, the width are less than the bandage substrate width cut in step 5；
Step 4：Medical acrylic acid glue is evenly coated on Weftwise stretch cloth, the fabric with glue enters drying tunnel after gluing,
The solvent in glue is dried by multistage drying tunnel；
Step 5：It is coated with the compound one layer of barrier paper of glue one side in fabric, receives big volume, it is longitudinal according to the requirement of final finished size
Cutting is suitable width, obtains bandage base material；
Step 6：The bandage base material of 100% alginate non-woven fabrics of step 3 and step 5 is positioned over bandage production
On machine, at the same on frame bandage anti-sticking protection sheet and packaging bag；
Step 7：The barrier paper of glue one side on bandage base material is removed, it is fritter to synchronize in the compound upper slitting in center
Non-woven fabrics, resynchronisation having the compound upper protection sheet of the one side of glue and non-woven fabrics, finally bond bandage packaging bag, obtain
Alginate bandage.
2. the production method of alginate bandage according to claim 1, it is characterised in that：In the step 1, institute
Weftwise stretch cloth is stated to be made using cotton covering yarn or synthetic cotton covering yarn；Stretch fabric fabric thickness is no more than 300 grams/square
Rice, used fabric tissue are that plain weave or twill-weave or plain weave add twill-weave.
3. the production method of alginate bandage according to claim 2, it is characterised in that：Doctor in the step 2
It is 40%~60% with the curing degree of acrylic acid glue.
4. the production method of alginate bandage according to claim 3, it is characterised in that：In the step 3
The grammes per square metre scope of 100% alginate non-woven fabrics is 60~140 grams/m, is cut to less than the width of finished product bandage, and
And at web-like.
5. the production method of alginate bandage according to claim 4, it is characterised in that：It is medical in the step 4
The thickness control of acrylic acid glue is between 15 to 25；The temperature of drying tunnel integrally arranges from low to high, and temperature range is 40
DEG C between 140 DEG C；Glue spreading method is direct gluing or transfer gluing.
6. the production method of alginate bandage according to any one of claim 1 to 5, it is characterised in that：It is described
Alginate non-woven fabrics in step 3 is the alginate that purity is 100%, by wet spinning acquisition different length and slightly
The fibre bundle of degree produces to obtain non-woven fabrics using spun lacing method.
7. the production method of alginate bandage according to claim 6, it is characterised in that：Gluing in the step 4
When, different gluing shapes and vacancy are set according to demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447318.4A CN104224446B (en) | 2014-09-03 | 2014-09-03 | Alginate bandage and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447318.4A CN104224446B (en) | 2014-09-03 | 2014-09-03 | Alginate bandage and its manufacturing method |
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| CN104224446A CN104224446A (en) | 2014-12-24 |
| CN104224446B true CN104224446B (en) | 2018-09-11 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662713A (en) * | 2015-12-29 | 2016-06-15 | 无锡恒成医疗科技股份有限公司 | Medical dressing for treating large area wound and manufacturing method thereof |
| CN110916900A (en) * | 2018-09-20 | 2020-03-27 | 常州华联保健敷料有限公司 | Hydrogel medical dressing and preparation method thereof |
| CN112545754A (en) * | 2019-12-06 | 2021-03-26 | 苏州恒星医用材料有限公司 | Method for manufacturing silica gel adhesive bandage |
| CN112914831A (en) * | 2019-12-06 | 2021-06-08 | 苏州恒星医用材料有限公司 | Manufacturing method of thermochromic adhesive bandage |
| CN112545755A (en) * | 2019-12-06 | 2021-03-26 | 苏州恒星医用材料有限公司 | Manufacturing method of wear-resistant fabric breathable adhesive bandage |
| CN112546287A (en) * | 2019-12-11 | 2021-03-26 | 苏州恒星医用材料有限公司 | Antibacterial adhesive bandage and manufacturing method thereof |
| CN110960722A (en) * | 2019-12-14 | 2020-04-07 | 广东泰宝医疗科技股份有限公司 | Antibacterial alginate bandage and preparation method thereof |
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| CN202136485U (en) * | 2011-06-20 | 2012-02-08 | 青岛海诺生物工程有限公司 | Elastic waterproof adhesive bandage |
| CN103768650A (en) * | 2014-01-26 | 2014-05-07 | 深圳市博立生物材料有限公司 | Wound regenerating and repairing bandage and manufacture method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433484A (en) * | 2007-11-13 | 2009-05-20 | 青岛喜盈门集团有限公司 | Seaweed fiber medical dressing |
| CN102600019B (en) * | 2012-03-09 | 2014-04-09 | 烟台万利医用品有限公司 | Medical hydrogel dressing and preparation method thereof |
| CN103169570A (en) * | 2013-03-06 | 2013-06-26 | 苏州艾美医疗用品有限公司 | Hemostasis bandaid and preparation method thereof |
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- 2014-09-03 CN CN201410447318.4A patent/CN104224446B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202136485U (en) * | 2011-06-20 | 2012-02-08 | 青岛海诺生物工程有限公司 | Elastic waterproof adhesive bandage |
| CN103768650A (en) * | 2014-01-26 | 2014-05-07 | 深圳市博立生物材料有限公司 | Wound regenerating and repairing bandage and manufacture method thereof |
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