CN107899060A - A kind of preparation method of medical bandage - Google Patents
A kind of preparation method of medical bandage Download PDFInfo
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- CN107899060A CN107899060A CN201711119992.XA CN201711119992A CN107899060A CN 107899060 A CN107899060 A CN 107899060A CN 201711119992 A CN201711119992 A CN 201711119992A CN 107899060 A CN107899060 A CN 107899060A
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- bacteria cellulose
- bandage
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229920002678 cellulose Polymers 0.000 claims abstract description 31
- 239000001913 cellulose Substances 0.000 claims abstract description 31
- 241000894006 Bacteria Species 0.000 claims abstract description 30
- 229920002101 Chitin Polymers 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims abstract description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 25
- 239000002994 raw material Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 230000004048 modification Effects 0.000 claims description 15
- 238000012986 modification Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 14
- 239000004575 stone Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 238000010298 pulverizing process Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000002041 carbon nanotube Substances 0.000 claims description 8
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 8
- 238000009987 spinning Methods 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 150000004645 aluminates Chemical class 0.000 claims description 5
- 239000001110 calcium chloride Substances 0.000 claims description 5
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 5
- 238000009960 carding Methods 0.000 claims description 5
- 239000007822 coupling agent Substances 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000004108 freeze drying Methods 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 235000010413 sodium alginate Nutrition 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000009941 weaving Methods 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- YFDKVXNMRLLVSL-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid;sodium Chemical compound [Na].CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O YFDKVXNMRLLVSL-UHFFFAOYSA-N 0.000 claims description 2
- 238000001467 acupuncture Methods 0.000 claims description 2
- 235000013312 flour Nutrition 0.000 claims description 2
- 238000000967 suction filtration Methods 0.000 claims description 2
- 230000017531 blood circulation Effects 0.000 abstract description 3
- 230000004060 metabolic process Effects 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 2
- 230000003385 bacteriostatic effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000005406 washing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- -1 oxygen ion Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
-
- 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
- A61L15/20—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
-
- 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
- A61L15/28—Polysaccharides or their derivatives
-
- 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
-
- 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
- A61L15/42—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
-
- 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
- A61L15/64—Use of materials characterised by their function or physical properties specially adapted to be resorbable inside the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
-
- 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
-
- 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
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/12—Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
- A61N2005/0659—Radiation therapy using light characterised by the wavelength of light used infrared
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Inorganic Chemistry (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a kind of preparation method of medical bandage, include the following steps：（1）Bacteria cellulose composite membrane preparation,（2）Chitin fiber processing,（3）It is prepared by bandage.Bandage entirety mechanical characteristic produced by the present invention is good, and performance is stablized, can be degradable, and biocompatibility is high, not only there is good bactericidal and bacteriostatic effect, while blood circulation can be improved again, boost metabolism, and there is good sucting wet air permeability, comfort is strong, great application value.
Description
Technical field
The invention belongs to medical material technical field, and in particular to a kind of preparation method of medical bandage.
Background technology
Bandage is the necessity in medical treatment and daily life, it plays the role of wrapping hemostasis, encirclement is fixed etc..Initially
Bandage be only made of cotton fiber, without special action effect, and overall mechanical strength is not high, when in use there is
The problems such as dosage is more.With the development of technology and the demand of patient, bandage towards more effects, lifted on the direction of patient comfort
Development.
The content of the invention
The purpose of the present invention is for it is existing the problem of, there is provided a kind of preparation method of medical bandage.
The present invention is achieved by the following technical solutions：
A kind of preparation method of medical bandage, includes the following steps：
（1）It is prepared by bacteria cellulose composite membrane：
A. bacteria cellulose film is put into 40 ~ 45min of immersion treatment in sodium hydroxide solution, after the completion of taking-up deionized water
It is spare after rinsing one time；
B. the bacteria cellulose film after a is handled will be operated to be put into pulverizer, 25 ~ 30min of continuous high-speed stirred pulverization process
It is spare that crushed material is obtained afterwards；
C. the crushed material operated obtained by b is put into reaction kettle, 7 ~ 10 times of crushed material gross mass is then added into reaction kettle
Mixed liquor, then heating keep reaction kettle in temperature be 60 ~ 65 DEG C, pressure be 0.4 ~ 0.5MPa, constantly supersound process 50 ~
Suction filtration film forming is carried out after 55min, freeze-drying process is finally carried out to it, and to obtain bacteria cellulose composite membrane spare；The mixing
Liquid by following parts by weight material composition：4 ~ 7 parts of calcium chloride, 3 ~ 6 parts of sodium alginates, 10 ~ 13 parts of silane coupling agents, 4 ~ 6 parts of stone acupuncture needles
Mountain flour, 3 ~ 5 parts of carbon nanotubes, 120 ~ 140 parts of water；
（2）Chitin fiber processing：
Chitin fiber is immersed in modification liquid, heating keep modification liquid temperature be 50 ~ 55 DEG C, be stirred continuously processing 1 ~
Chitin fiber is filtered out after 1.5h, be finally putting into vaporium steam processing 20 ~ 30min after take out it is spare；The modification liquid
By the material composition of following parts by weight：7 ~ 10 parts of aluminate coupling agents, 2 ~ 5 parts of calgons, 3 ~ 6 parts of dodecyl benzene sulfonic acid
Sodium, 2 ~ 4 parts of decises, 90 ~ 100 parts of water；
（3）It is prepared by bandage：
Take step（1）The bacteria cellulose composite membrane of gained, step（2）The chitin fiber of gained, commercially available cotton fiber, will be upper
Three kinds of raw materials are stated according to mass ratio 2 ~ 4：3~5：7 ~ 10 are mixed, then according to conventional processes carry out cotton carding, combing, drafting,
Spinning rove, spinning spun yarn, winder, doubling, double twisting obtain raw material and mix yarn, and raw material finally is mixed weaving yarns into bandage again.
Further, step（1）The mass fraction for operating sodium hydroxide in the sodium hydroxide solution described in a is 4 ~ 6%.
Further, step（1）The rotating speed for operating the high-speed stirred pulverization process described in b is 1500 ~ 1700 revs/min
Clock.
Further, step（1）The frequency for operating the supersound process described in c is 80 ~ 84kHz.
Further, step（1）The particle diameter of stone needle powder described in operation c is not more than 100nm.
Further, step（2）Described in stir process rotating speed be 600 ~ 800 revs/min.
The present invention provides a kind of preparation method of special bandage, it specifically have selected plurality of raw materials component and mixed
Processing, wherein being prepared for a kind of bacteria cellulose composite membrane, bacteria cellulose is the cellulose by Microbe synthesis, is had higher
Crystallinity and human body compatibility, use quality to strengthen it, special processing carried out, in hole passage inside it
Inlay and secure stone needle powder and carbon nanotubes component, wherein stone needle powder can launch infrared ray, releasing negative oxygen ion etc., help blood
Circulation and metabolism, reduce the pain of patient, and carbon nanotubes can strengthen complexity and the densification of overall fibrillar meshwork structure
Property, overall intensity is improved, while the hollow structure of carbon nanotubes ensures to improve overall moisture permeability again；Addition
Chitin fiber equally there is good degradable ability and bioaffinity, while it again can be with the hydroxyl on bacteria cellulose
Base produces crosslinking, and then the mechanics for further improving bandage uses quality, improves the using effect of bandage.
The present invention has the following advantages compared with prior art：
Bandage entirety mechanical characteristic produced by the present invention is good, and performance is stablized, can be degradable, and biocompatibility is high, not only
With good bactericidal and bacteriostatic effect, while blood circulation can be improved again, boosted metabolism, and breathed freely with good moisture absorption
Property, comfort is strong, great application value.
Embodiment
Embodiment 1
A kind of preparation method of medical bandage, includes the following steps：
（1）It is prepared by bacteria cellulose composite membrane：
A. bacteria cellulose film is put into immersion treatment 40min in sodium hydroxide solution, after the completion of taking-up rushed with deionized water
It is spare after washing one time；
B. the bacteria cellulose film after a is handled will be operated to be put into pulverizer, after continuous high-speed stirred pulverization process 25min
Crushed material is spare；
C. the crushed material operated obtained by b is put into reaction kettle, the mixed of 7 times of crushed material gross mass is then added into reaction kettle
Liquid is closed, it is 60 DEG C that then heating, which keeps the temperature in reaction kettle, pressure 0.4MPa, is taken out after being constantly ultrasonically treated 50min
Filter film forming, freeze-drying process is finally carried out to it, and to obtain bacteria cellulose composite membrane spare；The mixed liquor is by following weight
The material composition of part：4 parts of calcium chloride, 3 parts of sodium alginates, 10 parts of silane coupling agents, 4 parts of stone needle powders, 3 parts of carbon nanotubes, 120 parts
Water；
（2）Chitin fiber processing：
Chitin fiber is immersed in modification liquid, heating keep modification liquid temperature be 50 DEG C, be stirred continuously processing 1h after will
Chitin fiber filters out, be finally putting into vaporium steam processing 20min after take out it is spare；The modification liquid is by following parts by weight
Material composition：7 parts of aluminate coupling agents, 2 parts of calgons, 3 parts of neopelexes, 2 parts of decises, 90 parts
Water；
（3）It is prepared by bandage：
Take step（1）The bacteria cellulose composite membrane of gained, step（2）The chitin fiber of gained, commercially available cotton fiber, will be upper
Three kinds of raw materials are stated according to mass ratio 2：3：7 are mixed, then according to conventional processes carry out cotton carding, combing, drafting, spin rove,
Spinning spun yarn, winder, doubling, double twisting obtain raw material and mix yarn, and raw material finally is mixed weaving yarns into bandage again.
Further, step（1）The mass fraction for operating sodium hydroxide in the sodium hydroxide solution described in a is 4%.
Further, step（1）The rotating speed for operating the high-speed stirred pulverization process described in b is 1500 revs/min.
Further, step（1）The frequency for operating the supersound process described in c is 80kHz.
Further, step（1）The particle diameter of stone needle powder described in operation c is not more than 100nm.
Further, step（2）Described in stir process rotating speed be 600 revs/min.
The raw material of bandage produced by the present invention, which mixes the more existing cotton fiber of yarn, to be mixed the tensile strength of yarn and improves 3.2 ~ 3.6 times,
After saving bacteria cellulose composite membrane raw material, its tensile strength lifting effect, which corresponds to, have dropped 42 ~ 47%.
Embodiment 2
A kind of preparation method of medical bandage, includes the following steps：
（1）It is prepared by bacteria cellulose composite membrane：
A. bacteria cellulose film is put into immersion treatment 43min in sodium hydroxide solution, after the completion of taking-up rushed with deionized water
It is spare after washing one time；
B. the bacteria cellulose film after a is handled will be operated to be put into pulverizer, after continuous high-speed stirred pulverization process 28min
Crushed material is spare；
C. the crushed material operated obtained by b is put into reaction kettle, the mixed of 9 times of crushed material gross mass is then added into reaction kettle
Liquid is closed, it is 63 DEG C that then heating, which keeps the temperature in reaction kettle, pressure 0.45MPa, is taken out after being constantly ultrasonically treated 52min
Filter film forming, freeze-drying process is finally carried out to it, and to obtain bacteria cellulose composite membrane spare；The mixed liquor is by following weight
The material composition of part：6 parts of calcium chloride, 5 parts of sodium alginates, 12 parts of silane coupling agents, 5 parts of stone needle powders, 4 parts of carbon nanotubes, 130 parts
Water；
（2）Chitin fiber processing：
Chitin fiber is immersed in modification liquid, it is 52 DEG C that heating, which keeps the temperature of modification liquid, after being stirred continuously processing 1.3h
Chitin fiber is filtered out, be finally putting into vaporium steam processing 25min after take out it is spare；The modification liquid is by following weight
The material composition of part：8 parts of aluminate coupling agents, 4 parts of calgons, 5 parts of neopelexes, 3 parts of decises, 95
Part water；
（3）It is prepared by bandage：
Take step（1）The bacteria cellulose composite membrane of gained, step（2）The chitin fiber of gained, commercially available cotton fiber, will be upper
Three kinds of raw materials are stated according to mass ratio 3：4：8 are mixed, then according to conventional processes carry out cotton carding, combing, drafting, spin rove,
Spinning spun yarn, winder, doubling, double twisting obtain raw material and mix yarn, and raw material finally is mixed weaving yarns into bandage again.
Further, step（1）The mass fraction for operating sodium hydroxide in the sodium hydroxide solution described in a is 5%.
Further, step（1）The rotating speed for operating the high-speed stirred pulverization process described in b is 1600 revs/min.
Further, step（1）The frequency for operating the supersound process described in c is 82kHz.
Further, step（1）The particle diameter of stone needle powder described in operation c is not more than 100nm.
Further, step（2）Described in stir process rotating speed be 700 revs/min.
The raw material of bandage produced by the present invention, which mixes the more existing cotton fiber of yarn, to be mixed the tensile strength of yarn and improves 4.5 ~ 4.8 times,
After saving chitin fiber raw material, its tensile strength lifting effect, which corresponds to, have dropped 30 ~ 34%.
Embodiment 3
A kind of preparation method of medical bandage, includes the following steps：
（1）It is prepared by bacteria cellulose composite membrane：
A. bacteria cellulose film is put into immersion treatment 45min in sodium hydroxide solution, after the completion of taking-up rushed with deionized water
It is spare after washing one time；
B. the bacteria cellulose film after a is handled will be operated to be put into pulverizer, after continuous high-speed stirred pulverization process 30min
Crushed material is spare；
C. the crushed material operated obtained by b is put into reaction kettle, 10 times of crushed material gross mass is then added into reaction kettle
Mixed liquor, it is 65 DEG C that then heating, which keeps the temperature in reaction kettle, pressure 0.5MPa, is carried out after being constantly ultrasonically treated 55min
Film forming is filtered, freeze-drying process is finally carried out to it, and to obtain bacteria cellulose composite membrane spare；The mixed liquor by weighing as follows
Measure the material composition of part：7 parts of calcium chloride, 6 parts of sodium alginates, 13 parts of silane coupling agents, 6 parts of stone needle powders, 5 parts of carbon nanotubes, 140
Part water；
（2）Chitin fiber processing：
Chitin fiber is immersed in modification liquid, it is 55 DEG C that heating, which keeps the temperature of modification liquid, after being stirred continuously processing 1.5h
Chitin fiber is filtered out, be finally putting into vaporium steam processing 30min after take out it is spare；The modification liquid is by following weight
The material composition of part：10 parts of aluminate coupling agents, 5 parts of calgons, 6 parts of neopelexes, 4 parts of decises,
100 parts of water；
（3）It is prepared by bandage：
Take step（1）The bacteria cellulose composite membrane of gained, step（2）The chitin fiber of gained, commercially available cotton fiber, will be upper
Three kinds of raw materials are stated according to mass ratio 4：5：10 are mixed, then according to conventional processes carry out cotton carding, combing, drafting, spin rove,
Spinning spun yarn, winder, doubling, double twisting obtain raw material and mix yarn, and raw material finally is mixed weaving yarns into bandage again.
Further, step（1）The mass fraction for operating sodium hydroxide in the sodium hydroxide solution described in a is 6%.
Further, step（1）The rotating speed for operating the high-speed stirred pulverization process described in b is 1700 revs/min.
Further, step（1）The frequency for operating the supersound process described in c is 84kHz.
Further, step（1）The particle diameter of stone needle powder described in operation c is not more than 100nm.
Further, step（2）Described in stir process rotating speed be 800 revs/min.
The raw material of bandage produced by the present invention, which mixes the more existing cotton fiber of yarn, to be mixed the tensile strength of yarn and improves 3.7 ~ 4.2 times,
With good sucting wet air permeability, comfort is strong, has good use value.
Claims (6)
1. a kind of preparation method of medical bandage, it is characterised in that include the following steps：
（1）It is prepared by bacteria cellulose composite membrane：
A. bacteria cellulose film is put into 40 ~ 45min of immersion treatment in sodium hydroxide solution, after the completion of taking-up deionized water
It is spare after rinsing one time；
B. the bacteria cellulose film after a is handled will be operated to be put into pulverizer, 25 ~ 30min of continuous high-speed stirred pulverization process
It is spare that crushed material is obtained afterwards；
C. the crushed material operated obtained by b is put into reaction kettle, 7 ~ 10 times of crushed material gross mass is then added into reaction kettle
Mixed liquor, then heating keep reaction kettle in temperature be 60 ~ 65 DEG C, pressure be 0.4 ~ 0.5MPa, constantly supersound process 50 ~
Suction filtration film forming is carried out after 55min, freeze-drying process is finally carried out to it, and to obtain bacteria cellulose composite membrane spare；The mixing
Liquid by following parts by weight material composition：4 ~ 7 parts of calcium chloride, 3 ~ 6 parts of sodium alginates, 10 ~ 13 parts of silane coupling agents, 4 ~ 6 parts of stone acupuncture needles
Mountain flour, 3 ~ 5 parts of carbon nanotubes, 120 ~ 140 parts of water；
（2）Chitin fiber processing：
Chitin fiber is immersed in modification liquid, heating keep modification liquid temperature be 50 ~ 55 DEG C, be stirred continuously processing 1 ~
Chitin fiber is filtered out after 1.5h, be finally putting into vaporium steam processing 20 ~ 30min after take out it is spare；The modification liquid
By the material composition of following parts by weight：7 ~ 10 parts of aluminate coupling agents, 2 ~ 5 parts of calgons, 3 ~ 6 parts of dodecyl benzene sulfonic acid
Sodium, 2 ~ 4 parts of decises, 90 ~ 100 parts of water；
（3）It is prepared by bandage：
Take step（1）The bacteria cellulose composite membrane of gained, step（2）The chitin fiber of gained, commercially available cotton fiber, will be upper
Three kinds of raw materials are stated according to mass ratio 2 ~ 4：3~5：7 ~ 10 are mixed, then according to conventional processes carry out cotton carding, combing, drafting,
Spinning rove, spinning spun yarn, winder, doubling, double twisting obtain raw material and mix yarn, and raw material finally is mixed weaving yarns into bandage again.
A kind of 2. preparation method of medical bandage according to claim 1, it is characterised in that step（1）Operate described in a
Sodium hydroxide solution in sodium hydroxide mass fraction be 4 ~ 6%.
A kind of 3. preparation method of medical bandage according to claim 1, it is characterised in that step（1）Operate described in b
High-speed stirred pulverization process rotating speed be 1500 ~ 1700 revs/min.
A kind of 4. preparation method of medical bandage according to claim 1, it is characterised in that step（1）Operate described in c
The frequency of supersound process be 80 ~ 84kHz.
A kind of 5. preparation method of medical bandage according to claim 1, it is characterised in that step（1）Operate described in c
The particle diameter of stone needle powder be not more than 100nm.
A kind of 6. preparation method of medical bandage according to claim 1, it is characterised in that step（2）Described in stir
The rotating speed for mixing processing is 600 ~ 800 revs/min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754658A (en) * | 2018-06-25 | 2018-11-06 | 中国科学技术大学 | A kind of preparation method of bacteria cellulose composite material yarn |
| CN110193090A (en) * | 2019-05-31 | 2019-09-03 | 盐城工学院 | A kind of preparation method of the bacteria cellulose dressing with antibacterial bacteriostatic function |
| CN112675068A (en) * | 2021-01-06 | 2021-04-20 | 上海南滨江细胞生物科技有限公司 | Preparation method of face cream of autologous adipose-derived stem cell cytokine extracting solution |
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2017
- 2017-11-14 CN CN201711119992.XA patent/CN107899060A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754658A (en) * | 2018-06-25 | 2018-11-06 | 中国科学技术大学 | A kind of preparation method of bacteria cellulose composite material yarn |
| CN110193090A (en) * | 2019-05-31 | 2019-09-03 | 盐城工学院 | A kind of preparation method of the bacteria cellulose dressing with antibacterial bacteriostatic function |
| CN112675068A (en) * | 2021-01-06 | 2021-04-20 | 上海南滨江细胞生物科技有限公司 | Preparation method of face cream of autologous adipose-derived stem cell cytokine extracting solution |
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Application publication date: 20180413 |