CN108392668A - A kind of preparation method of compound injury first aid medical dressing - Google Patents
A kind of preparation method of compound injury first aid medical dressing Download PDFInfo
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- CN108392668A CN108392668A CN201810217214.2A CN201810217214A CN108392668A CN 108392668 A CN108392668 A CN 108392668A CN 201810217214 A CN201810217214 A CN 201810217214A CN 108392668 A CN108392668 A CN 108392668A
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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
- A61L15/22—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
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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
- A61L15/22—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
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/04—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of alginates
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Abstract
The invention discloses a kind of preparation methods of compound injury first aid medical dressing, the technique is by sodium alginate fiber, bacterial fibers, the main raw material(s)s such as acid fiber by polylactic are boiled by alkaline process, evaporation, it filters, washing, it is dry, the processing steps such as ball milling prepare the base material of dressing, then by glucan, ethyl acetate, 5 hydroxymethylfurfurals, ethambutol, to acetylsalicylic acid, the raw materials such as glycerine are respectively by stirring and evenly mixing, vacuum defoamation, wet spinning, measure spinneret, coagulating bath, it stretches, sizing, weaving, rinsing, activation, damp and hot high temperature steam treatment, dehydration is dried, open-width, drying and etc. compound injury first aid medical dressing is prepared.The compound injury first aid medical dressing being prepared, performance stabilization, firm and durable, can meet the application in wound first aid.
Description
Technical field
The present invention relates to this technical fields of medical material, are related specifically to the preparation side of compound injury first aid medical dressing
Method.
Background technology
Medical dressing is the material for administering wound.In mild burn（I, II degree）In the case of, usually use Medical coating
Material covers wound site, to inhibit the evaporation of body fluid and to prevent the intrusion of bacterium.In severe burn（III degree）Feelings
Under condition, it should use artificial skin.The major function of medical dressing is embodied in the following aspects:1. controlling the exudation of wound
Liquid;2. avoiding or controlling the infection of wound;3. the stink that removal or control wound generate;4. mitigating pain;5. ensureing as best one can
The comfort of patient;6. hidden wound needs beauty by hurting sb.'s feelings with protecting;7. soon cicatrizing a wound and making healing
Wound surface afterwards has good image appearance.As can be seen, medical dressing main function is to absorb wound from these requirements
On diffusate, control bacterium breeding, absorb and stink and protect wound as well as possible, make patient during wound healing
Normally it can work and live.With the aging of population and increasing for chronic ulcerative wound, the market of medical dressing and it
Commercial value also becomes more and more important.It is ever-changing due to causing wound, different wound in size, shape, ooze
The how much grade everyways for going out liquid make a big difference, so requirement of the wound to dressing is also different.With material technology
More understandings to wound healing process of development and medical profession, some Medical dressings are also after appearance.
Invention content
According to above-mentioned technical background data, the invention discloses the preparation method of compound injury first aid medical dressing, the works
The main raw material(s)s such as sodium alginate fiber, bacterial fibers, acid fiber by polylactic boil by alkaline process, evaporated, filtered, washed by skill,
The processing steps such as drying, ball milling prepare the base material of dressing, then by glucan, ethyl acetate, 5 hydroxymethyl furfural, ethamine fourth
Alcohol, to the raw materials such as acetylsalicylic acid, glycerine respectively through stirring and evenly mixing, vacuum defoamation, wet spinning, metering spinneret, solidification
Bath, stretching, sizing, weaving, rinsing, activation, damp and hot high temperature steam treatment, dehydration dry, open-width, drying and etc. be prepared
Compound injury first aid medical dressing.The compound injury first aid medical dressing being prepared, performance is stable, firm and durable, can be with
Meet the application in wound first aid.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of preparation method of compound injury first aid medical dressing, includes the following steps：
（1）15-20 parts of sodium alginate fiber, 10-15 parts of bacterial fibers, 2-5 parts of acid fiber by polylactic are used into NaOH after mixing
Aqueous solution boiling is boiled 25 minutes, and then mixed liquor is transferred on Rotary Evaporators, and rotary evaporation about 20min is to without apparent bubble
And after there is white suspension particle, suspension is injected in Suction filtration device and is filtered, 100ml ethyl alcohol is slowly added during filtering,
Again then washed filtering is dried in vacuo, ball is clayed into power, spare obtained solid to neutrality through 65 DEG C；
（2）By step（1）In 10-20 parts of powder, 1-3 parts of glucan, 2-5 parts of ethyl acetate, 1-4 parts of 5 hydroxymethyl furfural,
2-3 parts of ethambutol, to 1-3 parts of acetylsalicylic acid, 4-8 parts of glycerine, carry out vacuum defoamation after being stirred, be then added wet
In method spinning-drawing machine, fiber filaments are precipitated and formed in coagulating bath after being extruded by metering pump-metered, spinning head, wash, is dry,
The coagulating bath be methyltriethoxysilane, citric acid, 1- butyl -3- methylimidazolium chlorides, glacial acetic acid mixing alcoholic solution,
Wherein Ethoxysilane, citric acid, 1- butyl -3- methylimidazolium chlorides, glacial acetic acid molar ratio be 5:18:3:10, using
It stretches, shape, weaving handles to obtain primary dressing；
（3）By step（2）Obtained primary dressing immerses in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:27, first use
75-80 DEG C of water cleans 40-42 minutes, then water temperature is risen to 90-95 DEG C, and 2-6 parts of activator is added, and cleans 30-45 minutes；
（4）By step（3）Obtained dressing is soaked in by propylene glycol alginate, ethylenediamine, triethylene tetramine, mannitol, nothing
Water-ethanol, water are according to mass ratio 7:3:2:2:9:In the mixed liquor of 100 compositions, damp and hot high-temperature vapor processing is carried out, then will
It is neutral that processed fabric, which is washed with clear water to surface, dries to obtain after-treatment dressing through dehydration；
（5）By obtained after-treatment dressing through scutcher open-width, then drying machine drying and processing 20- at 105-110 DEG C
40 minutes to get finished product.
Preferably, the step（1）In rotary evaporation parameter be 42-45 DEG C of temperature, pressure -0.05MPa.
Preferably, the step（2）In vacuum pressure be 2*10-8Pa。
Preferably, the step（2）In drying carried out by radiating, contacting heating, temperature is 110-115 DEG C.
Preferably, the step（3）In one kind in oxalic acid, sodium carbonate, copper sulphate, sodium citrate of activator or
It is several.
Preferably, the step（4）In high-temperature vapor temperature be 1000-1100 DEG C.
Compared with prior art, the present invention advantage is：
（1）The preparation method of the compound injury first aid medical dressing of the present invention is fine by sodium alginate fiber, bacterial fibers, polylactic acid
The processing steps such as the main raw material(s)s such as dimension are boiled, evaporated, filtering, washing, drying by alkaline process, ball milling prepare the base material of dressing,
Then by glucan, ethyl acetate, 5 hydroxymethyl furfural, ethambutol, the raw materials such as acetylsalicylic acid, glycerine are passed through respectively
It stirs and evenly mixs, vacuum defoamation, wet spinning, measure spinneret, coagulating bath, stretching, sizing, weaving, rinsing, activation, damp and hot high temperature
Steam treatment, dehydration dry, open-width, drying and etc. compound injury first aid medical dressing is prepared.What is be prepared is compound
Wound first aid medical dressing, performance stabilization, firm and durable, can meet the application in wound first aid.
（2）The compound injury first aid medical dressing raw material of the present invention is easy to get, is simple for process, is suitable for heavy industrialization and transports
With highly practical.
Specific implementation mode
The technical solution of invention is described in detail with reference to specific embodiment.
Embodiment 1
（1）15 parts of sodium alginate fiber, 10 parts of bacterial fibers, 2 parts of acid fiber by polylactic are used into NaOH aqueous solution water after mixing
It boils 25 minutes, then mixed liquor is transferred on Rotary Evaporators, 42 DEG C, pressure -0.05MPa of rotating evaporation temperature, rotation
About 20min is evaporated to without apparent bubble and after there is white suspension particle, and suspension is injected in Suction filtration device and is filtered, was filtered
100ml ethyl alcohol is slowly added in journey, obtained solid again it is washed filtering to neutrality, then through 65 DEG C be dried in vacuo, ball milling at
Powder, it is spare；
（2）By step（1）In 10 parts of powder, 1 part of glucan, 2 parts of ethyl acetate, 1 part of 5 hydroxymethyl furfural, ethambutol 2
Part, to 1 part of acetylsalicylic acid, 4 parts of glycerine, vacuum defoamation, vacuum pressure 2*10 are carried out after being stirred-8Pa then adds
Enter in wet-spinning frame, fiber filaments are precipitated and formed in coagulating bath after being extruded by metering pump-metered, spinning head, wash,
Dry, wherein drying is carried out by radiating, contacting heating, temperature is 110-115 DEG C, and the coagulating bath is methyl triethoxy
The mixing alcoholic solution of silane, citric acid, 1- butyl -3- methylimidazolium chlorides, glacial acetic acid, wherein Ethoxysilane, citric acid, 1-
Butyl -3- methylimidazolium chlorides, glacial acetic acid molar ratio be 5:18:3:10, it handles to obtain just using stretching, sizing, weaving
Grade dressing；
（3）By step（2）Obtained primary dressing immerses in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:27, first use
75 DEG C of water cleans 40-42 minutes, then water temperature is risen to 90 DEG C, and 2 parts of oxalic acid is added, and cleans 30 minutes；
（4）By step（3）Obtained dressing is soaked in by propylene glycol alginate, ethylenediamine, triethylene tetramine, mannitol, nothing
Water-ethanol, water are according to mass ratio 7:3:2:2:9:In the mixed liquor of 100 compositions, damp and hot high-temperature vapor processing, high-temperature water are carried out
Steam temperature is 1000 DEG C, and it is neutral then to wash processed fabric to surface with clear water, dries to obtain through dehydration secondary
Handle dressing；
（5）By obtained after-treatment dressing through scutcher open-width, then drying machine drying and processing 20 minutes at 105 DEG C,
It gets product.
The performance test results of compound injury first aid medical dressing obtained are as shown in table 1.
Embodiment 2
（1）18 parts of sodium alginate fiber, 12 parts of bacterial fibers, 3 parts of acid fiber by polylactic are used into NaOH aqueous solution water after mixing
It boils 25 minutes, then mixed liquor is transferred on Rotary Evaporators, 43 DEG C, pressure -0.05MPa of rotating evaporation temperature, rotation
About 20min is evaporated to without apparent bubble and after there is white suspension particle, and suspension is injected in Suction filtration device and is filtered, was filtered
100ml ethyl alcohol is slowly added in journey, obtained solid again it is washed filtering to neutrality, then through 65 DEG C be dried in vacuo, ball milling at
Powder, it is spare；
（2）By step（1）In 14 parts of powder, 2 parts of glucan, 3 parts of ethyl acetate, 2 parts of 5 hydroxymethyl furfural, ethambutol 2
Part, to 1 part of acetylsalicylic acid, 5 parts of glycerine, vacuum defoamation, vacuum pressure 2*10 are carried out after being stirred-8Pa then adds
Enter in wet-spinning frame, fiber filaments are precipitated and formed in coagulating bath after being extruded by metering pump-metered, spinning head, wash,
Dry, wherein drying is carried out by radiating, contacting heating, temperature is 110-115 DEG C, and the coagulating bath is methyl triethoxy
The mixing alcoholic solution of silane, citric acid, 1- butyl -3- methylimidazolium chlorides, glacial acetic acid, wherein Ethoxysilane, citric acid, 1-
Butyl -3- methylimidazolium chlorides, glacial acetic acid molar ratio be 5:18:3:10, it handles to obtain just using stretching, sizing, weaving
Grade dressing；
（3）By step（2）Obtained primary dressing immerses in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:27, first use
77 DEG C of water cleans 40-42 minutes, then water temperature is risen to 92 DEG C, and 3 parts of sodium carbonate is added, and cleans 35 minutes；
（4）By step（3）Obtained dressing is soaked in by propylene glycol alginate, ethylenediamine, triethylene tetramine, mannitol, nothing
Water-ethanol, water are according to mass ratio 7:3:2:2:9:In the mixed liquor of 100 compositions, damp and hot high-temperature vapor processing, high-temperature water are carried out
Steam temperature is 1050 DEG C, and it is neutral then to wash processed fabric to surface with clear water, dries to obtain through dehydration secondary
Handle dressing；
（5）By obtained after-treatment dressing through scutcher open-width, then drying machine drying and processing 25 minutes at 107 DEG C,
It gets product.
The performance test results of compound injury first aid medical dressing obtained are as shown in table 1.
Embodiment 3
（1）19 parts of sodium alginate fiber, 14 parts of bacterial fibers, 4 parts of acid fiber by polylactic are used into NaOH aqueous solution water after mixing
It boils 25 minutes, then mixed liquor is transferred on Rotary Evaporators, 44 DEG C, pressure -0.05MPa of rotating evaporation temperature, rotation
About 20min is evaporated to without apparent bubble and after there is white suspension particle, and suspension is injected in Suction filtration device and is filtered, was filtered
100ml ethyl alcohol is slowly added in journey, obtained solid again it is washed filtering to neutrality, then through 65 DEG C be dried in vacuo, ball milling at
Powder, it is spare；
（2）By step（1）In 19 parts of powder, 2 parts of glucan, 4 parts of ethyl acetate, 3 parts of 5 hydroxymethyl furfural, ethambutol 3
Part, to 2 parts of acetylsalicylic acid, 7 parts of glycerine, vacuum defoamation, vacuum pressure 2*10 are carried out after being stirred-8Pa then adds
Enter in wet-spinning frame, fiber filaments are precipitated and formed in coagulating bath after being extruded by metering pump-metered, spinning head, wash,
Dry, wherein drying is carried out by radiating, contacting heating, temperature is 110-115 DEG C, and the coagulating bath is methyl triethoxy
The mixing alcoholic solution of silane, citric acid, 1- butyl -3- methylimidazolium chlorides, glacial acetic acid, wherein Ethoxysilane, citric acid, 1-
Butyl -3- methylimidazolium chlorides, glacial acetic acid molar ratio be 5:18:3:10, it handles to obtain just using stretching, sizing, weaving
Grade dressing；
（3）By step（2）Obtained primary dressing immerses in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:27, first use
79 DEG C of water cleans 40-42 minutes, then water temperature is risen to 94 DEG C, and 5 parts of copper sulphate is added, and cleans 40 minutes；
（4）By step（3）Obtained dressing is soaked in by propylene glycol alginate, ethylenediamine, triethylene tetramine, mannitol, nothing
Water-ethanol, water are according to mass ratio 7:3:2:2:9:In the mixed liquor of 100 compositions, damp and hot high-temperature vapor processing, high-temperature water are carried out
Steam temperature is 1080 DEG C, and it is neutral then to wash processed fabric to surface with clear water, dries to obtain through dehydration secondary
Handle dressing；
（5）By obtained after-treatment dressing through scutcher open-width, then drying machine drying and processing 30 minutes at 108 DEG C,
It gets product.
The performance test results of compound injury first aid medical dressing obtained are as shown in table 1.
Embodiment 4
（1）20 parts of sodium alginate fiber, 15 parts of bacterial fibers, 5 parts of acid fiber by polylactic are used into NaOH aqueous solution water after mixing
It boils 25 minutes, then mixed liquor is transferred on Rotary Evaporators, 45 DEG C, pressure -0.05MPa of rotating evaporation temperature, rotation
About 20min is evaporated to without apparent bubble and after there is white suspension particle, and suspension is injected in Suction filtration device and is filtered, was filtered
100ml ethyl alcohol is slowly added in journey, obtained solid again it is washed filtering to neutrality, then through 65 DEG C be dried in vacuo, ball milling at
Powder, it is spare；
（2）By step（1）In 20 parts of powder, 3 parts of glucan, 5 parts of ethyl acetate, 4 parts of 5 hydroxymethyl furfural, ethambutol 3
Part, to 3 parts of acetylsalicylic acid, 8 parts of glycerine, vacuum defoamation, vacuum pressure 2*10 are carried out after being stirred-8Pa then adds
Enter in wet-spinning frame, fiber filaments are precipitated and formed in coagulating bath after being extruded by metering pump-metered, spinning head, wash,
Dry, wherein drying is carried out by radiating, contacting heating, temperature is 110-115 DEG C, and the coagulating bath is methyl triethoxy
The mixing alcoholic solution of silane, citric acid, 1- butyl -3- methylimidazolium chlorides, glacial acetic acid, wherein Ethoxysilane, citric acid, 1-
Butyl -3- methylimidazolium chlorides, glacial acetic acid molar ratio be 5:18:3:10, it handles to obtain just using stretching, sizing, weaving
Grade dressing；
（3）By step（2）Obtained primary dressing immerses in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:27, first use
80 DEG C of water cleans 40-42 minutes, then water temperature is risen to 95 DEG C, and 6 parts of sodium citrate is added, and cleans 45 minutes；
（4）By step（3）Obtained dressing is soaked in by propylene glycol alginate, ethylenediamine, triethylene tetramine, mannitol, nothing
Water-ethanol, water are according to mass ratio 7:3:2:2:9:In the mixed liquor of 100 compositions, damp and hot high-temperature vapor processing, high-temperature water are carried out
Steam temperature is 1100 DEG C, and it is neutral then to wash processed fabric to surface with clear water, dries to obtain through dehydration secondary
Handle dressing；
（5）By obtained after-treatment dressing through scutcher open-width, then drying machine drying and processing 40 minutes at 110 DEG C,
It gets product.
The performance test results of compound injury first aid medical dressing obtained are as shown in table 1.
Comparative example 1
（1）15 parts of sodium alginate fiber, 10 parts of bacterial fibers, 2 parts of acid fiber by polylactic are used into NaOH aqueous solution water after mixing
It boils 25 minutes, then mixed liquor is transferred on Rotary Evaporators, 42 DEG C, pressure -0.05MPa of rotating evaporation temperature, rotation
About 20min is evaporated to without apparent bubble and after there is white suspension particle, and suspension is injected in Suction filtration device and is filtered, was filtered
100ml ethyl alcohol is slowly added in journey, obtained solid again it is washed filtering to neutrality, then through 65 DEG C be dried in vacuo, ball milling at
Powder, it is spare；
（2）By step（1）In 10 parts of powder, 1 part of 5 hydroxymethyl furfural, 2 parts of ethambutol, to 1 part of acetylsalicylic acid, the third three
4 parts of alcohol carries out vacuum defoamation, vacuum pressure 2*10 after being stirred-8Pa is then added in wet-spinning frame, passes through metering
Pump-metered, spinning head are precipitated in coagulating bath and are formed fiber filaments, washing, drying after extruding, wherein dry pass through radiation, connect
Tactile to heat to carry out, temperature is 110-115 DEG C, and the coagulating bath is methyltriethoxysilane, citric acid, 1- butyl -3- first
The mixing alcoholic solution of base imidazolitm chloride, glacial acetic acid, wherein Ethoxysilane, citric acid, 1- butyl -3- methylimidazolium chlorides, ice
The molar ratio of acetic acid is 5:18:3:10, it handles to obtain primary dressing using stretching, sizing, weaving；
（3）By step（2）Obtained primary dressing immerses in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:27, first use
75 DEG C of water cleans 40-42 minutes, then water temperature is risen to 90 DEG C, and 2 parts of oxalic acid is added, and cleans 30 minutes；
（4）By step（3）Obtained dressing is soaked in by propylene glycol alginate, ethylenediamine, triethylene tetramine, mannitol, nothing
Water-ethanol, water are according to mass ratio 7:3:2:2:9:In the mixed liquor of 100 compositions, damp and hot high-temperature vapor processing, high-temperature water are carried out
Steam temperature is 1000 DEG C, and it is neutral then to wash processed fabric to surface with clear water, dries to obtain through dehydration secondary
Handle dressing；
（5）By obtained after-treatment dressing through scutcher open-width, then drying machine drying and processing 20 minutes at 105 DEG C,
It gets product.
The performance test results of compound injury first aid medical dressing obtained are as shown in table 1.
Comparative example 2
（1）20 parts of sodium alginate fiber, 15 parts of bacterial fibers, 5 parts of acid fiber by polylactic are used into NaOH aqueous solution water after mixing
It boils 25 minutes, then mixed liquor is transferred on Rotary Evaporators, 45 DEG C, pressure -0.05MPa of rotating evaporation temperature, rotation
About 20min is evaporated to without apparent bubble and after there is white suspension particle, and suspension is injected in Suction filtration device and is filtered, was filtered
100ml ethyl alcohol is slowly added in journey, obtained solid again it is washed filtering to neutrality, then through 65 DEG C be dried in vacuo, ball milling at
Powder, it is spare；
（2）By step（1）In 20 parts of powder, 3 parts of glucan, 5 parts of ethyl acetate, 4 parts of 5 hydroxymethyl furfural, ethambutol 3
Part, to 3 parts of acetylsalicylic acid, 8 parts of glycerine, vacuum defoamation, vacuum pressure 2*10 are carried out after being stirred-8Pa then adds
Enter in wet-spinning frame, by forming fiber filaments, washing, drying, wherein drying passes through after measuring pump-metered, spinning head extrusion
Radiation, contact are heated to carry out, and temperature is 110-115 DEG C, handles to obtain primary dressing using stretching, sizing, weaving；
（3）By step（2）Obtained primary dressing immerses in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:27, first use
80 DEG C of water cleans 40-42 minutes, then water temperature is risen to 95 DEG C, and 6 parts of sodium citrate is added, and cleans 45 minutes；
（4）By step（3）Obtained dressing is soaked in by propylene glycol alginate, ethylenediamine, triethylene tetramine, mannitol, nothing
Water-ethanol, water are according to mass ratio 7:3:2:2:9:In the mixed liquor of 100 compositions, damp and hot high-temperature vapor processing, high-temperature water are carried out
Steam temperature is 1100 DEG C, and it is neutral then to wash processed fabric to surface with clear water, dries to obtain through dehydration secondary
Handle dressing；
（5）By obtained after-treatment dressing through scutcher open-width, then drying machine drying and processing 40 minutes at 110 DEG C,
It gets product.
The performance test results of compound injury first aid medical dressing obtained are as shown in table 1.
The compound injury first aid medical dressing obtained of embodiment 1-4 and comparative example 1-2 is subjected to pull-off force respectively, is breathed freely
This several property, the uniformity, cell toxicity test performance tests.
Table 1
The preparation method of the compound injury first aid medical dressing of the present invention is by sodium alginate fiber, bacterial fibers, acid fiber by polylactic
The processing steps such as equal main raw material(s)s boil, evaporate, filtering, washing, drying by alkaline process, ball milling prepare the base material of dressing, so
Afterwards by glucan, ethyl acetate, 5 hydroxymethyl furfural, ethambutol, to raw materials such as acetylsalicylic acid, glycerine respectively by stirring
Mix mixing, vacuum defoamation, wet spinning, metering spinneret, coagulating bath, stretching, sizing, weaving, rinsing, activation, the steaming of damp and hot high temperature
Vapour processing, dehydration dry, open-width, drying and etc. compound injury first aid medical dressing is prepared.What is be prepared is compound outer
Hinder first aid medical dressing, performance stabilization, firm and durable can meet the application in wound first aid.The compound injury of the present invention
First aid medical dressing raw material is easy to get, is simple for process, is suitable for heavy industrialization and uses, highly practical.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (6)
1. the preparation method of compound injury first aid medical dressing, which is characterized in that include the following steps：
（1）15-20 parts of sodium alginate fiber, 10-15 parts of bacterial fibers, 2-5 parts of acid fiber by polylactic are used into NaOH after mixing
Aqueous solution boiling is boiled 25 minutes, and then mixed liquor is transferred on Rotary Evaporators, and rotary evaporation about 20min is to without apparent bubble
And after there is white suspension particle, suspension is injected in Suction filtration device and is filtered, 100ml ethyl alcohol is slowly added during filtering,
Again then washed filtering is dried in vacuo, ball is clayed into power, spare obtained solid to neutrality through 65 DEG C；
（2）By step（1）In 10-20 parts of powder, 1-3 parts of glucan, 2-5 parts of ethyl acetate, 1-4 parts of 5 hydroxymethyl furfural,
2-3 parts of ethambutol, to 1-3 parts of acetylsalicylic acid, 4-8 parts of glycerine, carry out vacuum defoamation after being stirred, be then added wet
In method spinning-drawing machine, fiber filaments are precipitated and formed in coagulating bath after being extruded by metering pump-metered, spinning head, wash, is dry,
The coagulating bath be methyltriethoxysilane, citric acid, 1- butyl -3- methylimidazolium chlorides, glacial acetic acid mixing alcoholic solution,
Wherein Ethoxysilane, citric acid, 1- butyl -3- methylimidazolium chlorides, glacial acetic acid molar ratio be 5:18:3:10, using
It stretches, shape, weaving handles to obtain primary dressing；
（3）By step（2）Obtained primary dressing immerses in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:27, first use
75-80 DEG C of water cleans 40-42 minutes, then water temperature is risen to 90-95 DEG C, and 2-6 parts of activator is added, and cleans 30-45 minutes；
（4）By step（3）Obtained dressing is soaked in by propylene glycol alginate, ethylenediamine, triethylene tetramine, mannitol, nothing
Water-ethanol, water are according to mass ratio 7:3:2:2:9:In the mixed liquor of 100 compositions, damp and hot high-temperature vapor processing is carried out, then will
It is neutral that processed fabric, which is washed with clear water to surface, dries to obtain after-treatment dressing through dehydration；
（5）By obtained after-treatment dressing through scutcher open-width, then drying machine drying and processing 20- at 105-110 DEG C
40 minutes to get finished product.
2. the preparation method of compound injury first aid medical dressing according to claim 1, which is characterized in that the step
（1）In rotary evaporation parameter be 42-45 DEG C of temperature, pressure -0.05MPa.
3. the preparation method of compound injury first aid medical dressing according to claim 1, which is characterized in that the step
（2）In vacuum pressure be 2*10-8Pa。
4. the preparation method of compound injury first aid medical dressing according to claim 1, which is characterized in that the step
（2）In drying carried out by radiating, contacting heating, temperature is 110-115 DEG C.
5. the preparation method of compound injury first aid medical dressing according to claim 1, which is characterized in that the step
（3）In activator be selected from oxalic acid, sodium carbonate, copper sulphate, one or more of sodium citrate.
6. the preparation method of compound injury first aid medical dressing according to claim 1, which is characterized in that the step
（4）In high-temperature vapor temperature be 1000-1100 DEG C.
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| CN109267348A (en) * | 2018-08-31 | 2019-01-25 | 陆海林 | A kind of preparation method and applications of the textile material added with graphene |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908653A (en) * | 2012-11-09 | 2013-02-06 | 无锡中科光远生物材料有限公司 | Preparation method of antiseptic dressing for deep infection wound |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102908653A (en) * | 2012-11-09 | 2013-02-06 | 无锡中科光远生物材料有限公司 | Preparation method of antiseptic dressing for deep infection wound |
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| CN109267348A (en) * | 2018-08-31 | 2019-01-25 | 陆海林 | A kind of preparation method and applications of the textile material added with graphene |
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