CN108729222A - A kind of preparation method and applications of promoting healing solubility carbassus - Google Patents
A kind of preparation method and applications of promoting healing solubility carbassus Download PDFInfo
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- CN108729222A CN108729222A CN201810587257.XA CN201810587257A CN108729222A CN 108729222 A CN108729222 A CN 108729222A CN 201810587257 A CN201810587257 A CN 201810587257A CN 108729222 A CN108729222 A CN 108729222A
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- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
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- 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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Abstract
The invention discloses a kind of preparation method and applications of promoting healing solubility carbassus, this method is used carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water are configured to blend spinning liquid, then centrifugation, it stands, removal precipitation, then vacuum defoamation is carried out, it is then added in wet-spinning frame by measuring pump-metered, spinning head is precipitated in coagulating bath after extruding and forms fiber filaments, using stretching, sizing, weaving handles to obtain fabric, obtained fabric is immersed again in the hot water storgae of desizing, scouring and bleaching combined machine and carries out HIGH TEMPERATURE PURGE and modification, finally modified fabric is soaked in by sucrose fatty ester, diglycidyl ether, chitosan, it is carried out in the mixed liquor of water composition twice-modified, and through open-width, drying obtains finished product gauze.The carbassus being prepared, with preferable promoting healing effect, while good solubleness, it has a good application prospect in medical supplies industry.
Description
Technical field
The present invention relates to medical dressing technical fields, and in particular to a kind of preparation method of promoting healing solubility carbassus
And its application.
Background technology
Traditional wound wrapping dressing is mostly pure cotton product, and absorbent gauze is made through lye thermophilic digestion, rinsing, drying,
It is bound up a wound to the wounded using this absorbent gauze in clinic, blood plasma or secretion, the diffusate of wound are absorbed by gauze, and
Solid hardening in a short time becomes stiff plate object, makes gauze and newborn granulation adhesion.These plate objects are not only oppressed
The surface of a wound influences tissue growth, and in more change dressings, more to destroy the wound fully recovered, and generates secondary insult, gives the wounded
Increase new pain.Material currently used for loading antibacterial drug therapy wound mainly has：Chitosan, alginate, gelatin etc.,
Since chitosan and its derivative has good hemostasis, analgesic and bacteriostasis property, have one to macrophage and fibroblast
Fixed adjustment effect and the healing for accelerating the surface of a wound, therefore chitosan and its derivative is often applied to the treatment of wound healing.Also
Human-body biological electric field and neural blood can be adjusted by generated internal heat effect after infrared radiation wound infection and ulcer
Pipe function makes ulcer lesion site tissue blood vessel dilatation, microcirculation nutrition condition improve, and metabolism is accelerated, and groups of cells is reduced
It knits anaerobic condition, the absorption of inflammatory exudate between tissue is promoted to play anti-inflammatory to enhance reparation and the regeneration function of tissue and disappear
Swollen, analgesic reduces infiltration, promotes the growth of granulation and epithelial cell, promotes the healing of wound.But current traditional hemostatic gauze
In the presence of slow, the easy adhesion wound that stops blooding, the problems such as surface of a wound is not damaged, in order to ensure the life security of patient, needs exploitation hemostasis effect
Fruit is quick, the novel hemostatic gauze that can be protected the surface of a wound, promote wound healing.Traditional hospital gauze can not effectively absorb wound
Face exudate reduces infection；The invasion of bacterium and unwanted particles can effectively be obstructed；The effects that without hemostasis, analgesic, it can not promote
Granulation is grown and skin regeneration, healing acceleration, reduces scar.
Invention content
In order to solve the above technical problems, the present invention provides a kind of preparation method of promoting healing solubility carbassus and its answers
With this method is used is configured to blend spinning by carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water
Liquid, then centrifugation, standing, removal precipitation, then carry out vacuum defoamation, are then added in wet-spinning frame and pass through metering pump meter
Amount, spinning head are precipitated in coagulating bath and are formed fiber filaments after extruding, and handle to obtain fabric using stretching, sizing, weaving,
Obtained fabric is immersed again in the hot water storgae of desizing, scouring and bleaching combined machine and carry out HIGH TEMPERATURE PURGE and modification, finally impregnates modified fabric
Carried out in the mixed liquor being made of sucrose fatty ester, diglycidyl ether, chitosan, water it is twice-modified, and through open-width, dry
It is dry to obtain finished product gauze.The carbassus being prepared, with preferable promoting healing effect, while good solubleness, it is curing
It treats and has a good application prospect in articles for use industry.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of preparation method of promoting healing solubility carbassus, includes the following steps：
(1) by carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water according to 2:1:5:23 quality
Than being mixed, blend spinning liquid is formed through being sufficiently stirred after ultrasonic disperse is handled, it is quiet after then centrifuging blend spinning liquid
It sets overnight, the sediment being filtered to remove in blend spinning liquid is spare；
(2) spinning solution is subjected to vacuum defoamation, be then added in wet-spinning frame, by measuring pump-metered, spinning head pressure
Fiber filaments are precipitated and formed after going out in coagulating bath, the coagulating bath is the mixing alcoholic solution of dimethylacetylamide, sodium sulphate,
Wherein dimethylacetylamide, sodium sulphate, ethyl alcohol molar ratio be 3:10:55, it handles to obtain base using stretching, sizing, weaving
Cloth, draw ratio are 6-8 times；
(3) obtained fabric is immersed in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:20, first use 85-90 DEG C
Water clean 45-55 minute, then water temperature is risen to 95-100 DEG C, modifying agent is added, modifying agent is 1- amine propyl -4-methylimidazole
Tetrafluoroborate, alginate propylene glycol, glycerin diglycidyl ether, triazine bi-quaternary ammonium salt are according to 1:1:2:5 mass ratio institute
The mixture of composition cleans 15-20 minutes；
(4) obtained modification fabric is soaked in and is made of sucrose fatty ester, diglycidyl ether, chitosan, water
In mixed liquor, the pH that mixed liquor is adjusted with dilute hydrochloric acid is 3.5-4.5, impregnates 3-5 hours, then uses the modification fabric after immersion
It is neutrality that clear water, which is washed to surface, and twice-modified fabric is obtained through dehydration；
(5) by obtained twice-modified fabric through scutcher open-width, then drying machine drying and processing at 115-135 DEG C
35-45 minutes to get finished product carbassus.
Further, the frequency of ultrasonic disperse is 20-25kHz, ultrasonic power 200-300W in the step (1), is surpassed
The sonication time is 30-40 minutes.
Further, the vacuum degree of vacuum defoamation is -0.08 to -0.1MPa in the step (2), inclined heated plate 40-
60 minutes.
Further, the coagulation bath temperature in the step (2) is 50 DEG C, and spinning temperature is 85-95 DEG C, orifice diameter
For 0.5mm.
Further, a concentration of 3-4g/L of the modifying agent in the step (3) in water.
Further, the mass ratio of sucrose fatty ester in the step (4), diglycidyl ether, chitosan and water is
2:3:6:150
Further, the invention also discloses promoting healing solubility carbassuses made from the preparation method medical
Application in conduct industry.
Compared with prior art, the present invention advantage is：
(1) preparation method of carbassus of the invention is used carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder
End and deionized water are configured to blend spinning liquid, and then centrifugation, standing, removal precipitation, then carry out vacuum defoamation, be then added
By the way that fiber filaments are precipitated and formed in coagulating bath after measuring pump-metered, spinning head extrusion in wet-spinning frame, using drawing
It stretches, shape, weaving handles to obtain fabric, then will carry out HIGH TEMPERATURE PURGE in the hot water storgae of obtained fabric immersion desizing, scouring and bleaching combined machine
And modification, modified fabric is finally soaked in the mixed liquor being made of sucrose fatty ester, diglycidyl ether, chitosan, water
Middle progress is twice-modified, and obtains finished product gauze through open-width, drying.There is the carbassus being prepared preferable rush to be cured
Effect, while good solubleness are closed, is had a good application prospect in medical supplies industry.
(2) present invention employs carbon fibre, nanometer calcium chloride, sucrose fatty ester, diglycidyl ether these types are former
Material participation prepares carbassus, and effective performance boost has been carried out to carbassus, although these materials be not first Application in
In carbassus, but the merging of amount group is aided with corresponding processing mode according to a certain ratio, to the carbassus being finally prepared
Increasing substantially in performance is brought, this is never to report in previous research, for realizing the present invention's
Technique effect plays the role of conclusive.
Specific implementation mode
The technical solution of invention is described in detail with reference to specific embodiment.
Embodiment 1
(1) by carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water according to 2:1:5:23 quality
Than being mixed, blend spinning liquid is formed through being sufficiently stirred after ultrasonic disperse is handled, the frequency of ultrasonic disperse is 20kHz, is surpassed
Acoustical power is 200W, and sonication treatment time is 30 minutes, is stood overnight after then centrifuging blend spinning liquid, is filtered to remove mixing
Sediment in spinning solution, it is spare；
(2) spinning solution being subjected to vacuum defoamation, the vacuum degree of vacuum defoamation is -0.08MPa, and inclined heated plate is 40 minutes,
Then it is added in wet-spinning frame, by the way that fiber filaments are precipitated and formed in coagulating bath after measuring pump-metered, spinning head extrusion,
The coagulating bath is the mixing alcoholic solution of dimethylacetylamide, sodium sulphate, and wherein dimethylacetylamide, sodium sulphate, ethyl alcohol rubs
You are than being 3:10:55, coagulation bath temperature is 50 DEG C, and spinning temperature is 85 DEG C, orifice diameter 0.5mm, using stretching, is determined
Type, weaving handle to obtain fabric, and draw ratio is 6 times；
(3) obtained fabric is immersed in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:20, first with 85 DEG C of water
Cleaning 45 minutes, then water temperature is risen to 95 DEG C, is added modifying agent, modifying agent be 1- amine propyl -4-methylimidazole tetrafluoroborate,
Alginate propylene glycol, glycerin diglycidyl ether, triazine bi-quaternary ammonium salt are according to 1:1:2:The mixing that 5 mass ratio is formed
Object, a concentration of 3g/L of modifying agent in water are cleaned 15 minutes；
(4) obtained modification fabric is soaked in by sucrose fatty ester, diglycidyl ether, chitosan, water according to matter
Amount is than being 2:3:6:In the mixed liquor of 150 compositions, the pH that mixed liquor is adjusted with dilute hydrochloric acid is 3.5, is impregnated 3 hours, then will leaching
It is neutral that modification fabric after bubble, which is washed with clear water to surface, and twice-modified fabric is obtained through dehydration；
(5) by obtained twice-modified fabric through scutcher open-width, then drying machine drying and processing 35 at 115 DEG C divides
Clock is to get finished product carbassus.
The performance test results of carbassus obtained are as shown in table 1.
Embodiment 2
(1) by carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water according to 2:1:5:23 quality
Than being mixed, blend spinning liquid is formed through being sufficiently stirred after ultrasonic disperse is handled, the frequency of ultrasonic disperse is 22.5kHz,
Ultrasonic power is 250W, and sonication treatment time is 35 minutes, stands overnight, is filtered to remove mixed after then centrifuging blend spinning liquid
The sediment in spinning solution is closed, it is spare；
(2) spinning solution being subjected to vacuum defoamation, the vacuum degree of vacuum defoamation is -0.09MPa, and inclined heated plate is 50 minutes,
Then it is added in wet-spinning frame, by the way that fiber filaments are precipitated and formed in coagulating bath after measuring pump-metered, spinning head extrusion,
The coagulating bath is the mixing alcoholic solution of dimethylacetylamide, sodium sulphate, and wherein dimethylacetylamide, sodium sulphate, ethyl alcohol rubs
You are than being 3:10:55, coagulation bath temperature is 50 DEG C, and spinning temperature is 90 DEG C, orifice diameter 0.5mm, using stretching, is determined
Type, weaving handle to obtain fabric, and draw ratio is 7 times；
(3) obtained fabric is immersed in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:20, first with 87.5 DEG C
Water cleans 50 minutes, then water temperature is risen to 97.5 DEG C, and modifying agent is added, and modifying agent is 1- amine propyl -4-methylimidazole tetrafluoro boron
Hydrochlorate, alginate propylene glycol, glycerin diglycidyl ether, triazine bi-quaternary ammonium salt are according to 1:1:2:What 5 mass ratio was formed
Mixture, a concentration of 3.5g/L of modifying agent in water are cleaned 17.5 minutes；
(4) obtained modification fabric is soaked in by sucrose fatty ester, diglycidyl ether, chitosan, water according to matter
Amount is than being 2:3:6:In the mixed liquor of 150 compositions, the pH that mixed liquor is adjusted with dilute hydrochloric acid is 4, is impregnated 4 hours, will then be impregnated
It is neutral that modification fabric afterwards, which is washed with clear water to surface, and twice-modified fabric is obtained through dehydration；
(5) by obtained twice-modified fabric through scutcher open-width, then drying machine drying and processing 40 at 125 DEG C divides
Clock is to get finished product carbassus.
The performance test results of carbassus obtained are as shown in table 1.
Embodiment 3
(1) by carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water according to 2:1:5:23 quality
Than being mixed, blend spinning liquid is formed through being sufficiently stirred after ultrasonic disperse is handled, the frequency of ultrasonic disperse is 25kHz, is surpassed
Acoustical power is 300W, and sonication treatment time is 40 minutes, is stood overnight after then centrifuging blend spinning liquid, is filtered to remove mixing
Sediment in spinning solution, it is spare；
(2) spinning solution being subjected to vacuum defoamation, the vacuum degree of vacuum defoamation is -0.1MPa, and inclined heated plate is 60 minutes, with
It is added in wet-spinning frame afterwards, by the way that fiber filaments, institute are precipitated and formed in coagulating bath after measuring pump-metered, spinning head extrusion
State the mixing alcoholic solution that coagulating bath is dimethylacetylamide, sodium sulphate, wherein mole of dimethylacetylamide, sodium sulphate, ethyl alcohol
Than being 3:10:55, coagulation bath temperature is 50 DEG C, and spinning temperature is 95 DEG C, orifice diameter 0.5mm, using stretching, is determined
Type, weaving handle to obtain fabric, and draw ratio is 8 times；
(3) obtained fabric is immersed in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:20, first with 90 DEG C of water
Cleaning 55 minutes, then water temperature is risen to 100 DEG C, modifying agent is added, modifying agent is 1- amine propyl -4-methylimidazole tetrafluoro boric acid
Salt, alginate propylene glycol, glycerin diglycidyl ether, triazine bi-quaternary ammonium salt are according to 1:1:2:5 mass ratio is formed mixed
Object is closed, a concentration of 4g/L of modifying agent in water is cleaned 20 minutes；
(4) obtained modification fabric is soaked in by sucrose fatty ester, diglycidyl ether, chitosan, water according to matter
Amount is than being 2:3:6:In the mixed liquor of 150 compositions, the pH that mixed liquor is adjusted with dilute hydrochloric acid is 4.5, is impregnated 5 hours, then will leaching
It is neutral that modification fabric after bubble, which is washed with clear water to surface, and twice-modified fabric is obtained through dehydration；
(5) by obtained twice-modified fabric through scutcher open-width, then drying machine drying and processing 45 at 135 DEG C divides
Clock is to get finished product carbassus.
The performance test results of carbassus obtained are as shown in table 1.
Comparative example 1
(1) by nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water according to 1:5:23 mass ratio is mixed,
Blend spinning liquid is formed through being sufficiently stirred after ultrasonic disperse is handled, the frequency of ultrasonic disperse is 22.5kHz, and ultrasonic power is
250W, sonication treatment time are 35 minutes, stand overnight, are filtered to remove in blend spinning liquid after then centrifuging blend spinning liquid
Sediment, it is spare；
(2) spinning solution being subjected to vacuum defoamation, the vacuum degree of vacuum defoamation is -0.09MPa, and inclined heated plate is 50 minutes,
Then it is added in wet-spinning frame, by the way that fiber filaments are precipitated and formed in coagulating bath after measuring pump-metered, spinning head extrusion,
The coagulating bath is the mixing alcoholic solution of dimethylacetylamide, sodium sulphate, and wherein dimethylacetylamide, sodium sulphate, ethyl alcohol rubs
You are than being 3:10:55, coagulation bath temperature is 50 DEG C, and spinning temperature is 90 DEG C, orifice diameter 0.5mm, using stretching, is determined
Type, weaving handle to obtain fabric, and draw ratio is 7 times；
(3) obtained fabric is immersed in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:20, first with 87.5 DEG C
Water cleans 50 minutes, then water temperature is risen to 97.5 DEG C, and modifying agent is added, and modifying agent is 1- amine propyl -4-methylimidazole tetrafluoro boron
Hydrochlorate, alginate propylene glycol, glycerin diglycidyl ether, triazine bi-quaternary ammonium salt are according to 1:1:2:What 5 mass ratio was formed
Mixture, a concentration of 3.5g/L of modifying agent in water are cleaned 17.5 minutes；
(4) obtained modification fabric is soaked in by sucrose fatty ester, diglycidyl ether, chitosan, water according to matter
Amount is than being 2:3:6:In the mixed liquor of 150 compositions, the pH that mixed liquor is adjusted with dilute hydrochloric acid is 4, is impregnated 4 hours, will then be impregnated
It is neutral that modification fabric afterwards, which is washed with clear water to surface, and twice-modified fabric is obtained through dehydration；
(5) by obtained twice-modified fabric through scutcher open-width, then drying machine drying and processing 40 at 125 DEG C divides
Clock is to get finished product carbassus.
The performance test results of carbassus obtained are as shown in table 1.
Comparative example 2
(1) by carbon fibre, hydroxyethyl cellulose powder and deionized water according to 2:5:23 mass ratio is mixed, warp
Blend spinning liquid is formed through being sufficiently stirred after ultrasonic disperse processing, the frequency of ultrasonic disperse is 22.5kHz, and ultrasonic power is
250W, sonication treatment time are 35 minutes, stand overnight, are filtered to remove in blend spinning liquid after then centrifuging blend spinning liquid
Sediment, it is spare；
(2) spinning solution being subjected to vacuum defoamation, the vacuum degree of vacuum defoamation is -0.09MPa, and inclined heated plate is 50 minutes,
Then it is added in wet-spinning frame, by the way that fiber filaments are precipitated and formed in coagulating bath after measuring pump-metered, spinning head extrusion,
The coagulating bath is the mixing alcoholic solution of dimethylacetylamide, sodium sulphate, and wherein dimethylacetylamide, sodium sulphate, ethyl alcohol rubs
You are than being 3:10:55, coagulation bath temperature is 50 DEG C, and spinning temperature is 90 DEG C, orifice diameter 0.5mm, using stretching, is determined
Type, weaving handle to obtain fabric, and draw ratio is 7 times；
(3) obtained fabric is immersed in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:20, first with 87.5 DEG C
Water cleans 50 minutes, then water temperature is risen to 97.5 DEG C, and modifying agent is added, and modifying agent is 1- amine propyl -4-methylimidazole tetrafluoro boron
Hydrochlorate, alginate propylene glycol, glycerin diglycidyl ether, triazine bi-quaternary ammonium salt are according to 1:1:2:What 5 mass ratio was formed
Mixture, a concentration of 3.5g/L of modifying agent in water are cleaned 17.5 minutes；
(4) obtained modification fabric is soaked in by sucrose fatty ester, diglycidyl ether, chitosan, water according to matter
Amount is than being 2:3:6:In the mixed liquor of 150 compositions, the pH that mixed liquor is adjusted with dilute hydrochloric acid is 4, is impregnated 4 hours, will then be impregnated
It is neutral that modification fabric afterwards, which is washed with clear water to surface, and twice-modified fabric is obtained through dehydration；
(5) by obtained twice-modified fabric through scutcher open-width, then drying machine drying and processing 40 at 125 DEG C divides
Clock is to get finished product carbassus.
The performance test results of carbassus obtained are as shown in table 1.
Comparative example 3
(1) by carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water according to 2:1:5:23 quality
Than being mixed, blend spinning liquid is formed through being sufficiently stirred after ultrasonic disperse is handled, the frequency of ultrasonic disperse is 22.5kHz,
Ultrasonic power is 250W, and sonication treatment time is 35 minutes, stands overnight, is filtered to remove mixed after then centrifuging blend spinning liquid
The sediment in spinning solution is closed, it is spare；
(2) spinning solution being subjected to vacuum defoamation, the vacuum degree of vacuum defoamation is -0.09MPa, and inclined heated plate is 50 minutes,
Then it is added in wet-spinning frame, by the way that fiber filaments are precipitated and formed in coagulating bath after measuring pump-metered, spinning head extrusion,
The coagulating bath is the mixing alcoholic solution of dimethylacetylamide, sodium sulphate, and wherein dimethylacetylamide, sodium sulphate, ethyl alcohol rubs
You are than being 3:10:55, coagulation bath temperature is 50 DEG C, and spinning temperature is 90 DEG C, orifice diameter 0.5mm, using stretching, is determined
Type, weaving handle to obtain fabric, and draw ratio is 7 times；
(3) obtained fabric is immersed in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:20, first with 87.5 DEG C
Water cleans 50 minutes, then water temperature is risen to 97.5 DEG C, and modifying agent is added, and modifying agent is 1- amine propyl -4-methylimidazole tetrafluoro boron
Hydrochlorate, alginate propylene glycol, glycerin diglycidyl ether, triazine bi-quaternary ammonium salt are according to 1:1:2:What 5 mass ratio was formed
Mixture, a concentration of 3.5g/L of modifying agent in water are cleaned 17.5 minutes；
(4) by obtained modification fabric be soaked in by diglycidyl ether, chitosan, water according to mass ratio be 3:6:150
In the mixed liquor of composition, the pH that mixed liquor is adjusted with dilute hydrochloric acid is 4, is impregnated 4 hours, then by the modification fabric after immersion with clearly
Water washing to surface is neutrality, and twice-modified fabric is obtained through dehydration；
(5) by obtained twice-modified fabric through scutcher open-width, then drying machine drying and processing 40 at 125 DEG C divides
Clock is to get finished product carbassus.
The performance test results of carbassus obtained are as shown in table 1.
Comparative example 4
(1) by carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water according to 2:1:5:23 quality
Than being mixed, blend spinning liquid is formed through being sufficiently stirred after ultrasonic disperse is handled, the frequency of ultrasonic disperse is 22.5kHz,
Ultrasonic power is 250W, and sonication treatment time is 35 minutes, stands overnight, is filtered to remove mixed after then centrifuging blend spinning liquid
The sediment in spinning solution is closed, it is spare；
(2) spinning solution being subjected to vacuum defoamation, the vacuum degree of vacuum defoamation is -0.09MPa, and inclined heated plate is 50 minutes,
Then it is added in wet-spinning frame, by the way that fiber filaments are precipitated and formed in coagulating bath after measuring pump-metered, spinning head extrusion,
The coagulating bath is the mixing alcoholic solution of dimethylacetylamide, sodium sulphate, and wherein dimethylacetylamide, sodium sulphate, ethyl alcohol rubs
You are than being 3:10:55, coagulation bath temperature is 50 DEG C, and spinning temperature is 90 DEG C, orifice diameter 0.5mm, using stretching, is determined
Type, weaving handle to obtain fabric, and draw ratio is 7 times；
(3) obtained fabric is immersed in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:20, first with 87.5 DEG C
Water cleans 50 minutes, then water temperature is risen to 97.5 DEG C, and modifying agent is added, and modifying agent is 1- amine propyl -4-methylimidazole tetrafluoro boron
Hydrochlorate, alginate propylene glycol, glycerin diglycidyl ether, triazine bi-quaternary ammonium salt are according to 1:1:2:What 5 mass ratio was formed
Mixture, a concentration of 3.5g/L of modifying agent in water are cleaned 17.5 minutes；
(4) by obtained modification fabric be soaked in by sucrose fatty ester, chitosan, water according to mass ratio be 2:6:150
In the mixed liquor of composition, the pH that mixed liquor is adjusted with dilute hydrochloric acid is 4, is impregnated 4 hours, then by the modification fabric after immersion with clearly
Water washing to surface is neutrality, and twice-modified fabric is obtained through dehydration；
(5) by obtained twice-modified fabric through scutcher open-width, then drying machine drying and processing 40 at 125 DEG C divides
Clock is to get finished product carbassus.
The performance test results of carbassus obtained are as shown in table 1.
By the carbassus obtained of embodiment 1-3 and comparative example 1-4 respectively according to the test in country or professional standard
Method carries out this several hydroscopicity, elongation at break, cell toxicity test, dissolution rate performance tests.
Table 1
| Hydroscopicity g Π g | Elongation at break % | Cell toxicity test | Dissolution rate (zoopery) | |
| Embodiment 1 | 103414 | 98.00% | It is non-stimulated | 98.40% |
| Embodiment 2 | 102882 | 95.06% | It is non-stimulated | 97.60% |
| Embodiment 3 | 104547 | 96.14% | It is non-stimulated | 98.30% |
| Embodiment 4 | 102916 | 95.74% | It is non-stimulated | 96.50% |
| Comparative example 1 | 48952 | 140.76% | It is non-stimulated | 75.70% |
| Comparative example 2 | 53982 | 156.41% | It is non-stimulated | 80.30% |
| Comparative example 3 | 44692 | 151.19% | It is non-stimulated | 82.30% |
| Comparative example 4 | 47982 | 156.41% | It is non-stimulated | 70.60% |
The preparation method of the carbassus of the present invention is used carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder
It is configured to blend spinning liquid with deionized water, then centrifugation, standing, removal precipitation, then carry out vacuum defoamation, be then added wet
In method spinning-drawing machine by measure pump-metered, spinning head extrude after fiber filaments are precipitated and formed in coagulating bath, using stretch,
Sizing, weaving handle to obtain fabric, then obtained fabric immersed in the hot water storgae of desizing, scouring and bleaching combined machine carry out HIGH TEMPERATURE PURGE and
It is modified, finally modified fabric is soaked in the mixed liquor being made of sucrose fatty ester, diglycidyl ether, chitosan, water
Carry out it is twice-modified, and through open-width, drying obtain finished product gauze.The carbassus being prepared, with preferable promoting healing
Effect, while good solubleness have a good application prospect in medical supplies industry.Also, present invention employs carbons
Fiber, nanometer calcium chloride, sucrose fatty ester, diglycidyl ether these types raw material participation prepare carbassus, to operation yarn
Cloth has carried out effective performance boost, although these materials are not first Application in carbassus, measures according to a certain ratio
Group merges and is aided with corresponding processing mode, and significantly carrying in performance is brought to the carbassus being finally prepared
Height, this is never to report in previous research, for realizing that it is conclusive that the technique effect of the present invention plays the role of.
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 (7)
1. a kind of preparation method of promoting healing solubility carbassus, which is characterized in that include the following steps：
(1) by carbon fibre, nanometer calcium chloride, hydroxyethyl cellulose powder and deionized water according to 2:1:5:23 mass ratio into
Row mixing, blend spinning liquid is formed after ultrasonic disperse is handled through being sufficiently stirred, and is stood after then centrifuging blend spinning liquid
Night, the sediment being filtered to remove in blend spinning liquid are spare；
(2) spinning solution is subjected to vacuum defoamation, be then added in wet-spinning frame, after measuring pump-metered, spinning head extrusion
Fiber filaments are precipitated and formed in coagulating bath, the coagulating bath is the mixing alcoholic solution of dimethylacetylamide, sodium sulphate, wherein
Dimethylacetylamide, sodium sulphate, ethyl alcohol molar ratio be 3:10:55, it handles to obtain fabric using stretching, sizing, weaving, draw
It is 6-8 times to stretch multiple；
(3) obtained fabric is immersed in the hot water storgae of desizing, scouring and bleaching combined machine, sets bath raio as 1:20, first use 85-90 DEG C of water
Cleaning 45-55 minutes, then water temperature is risen to 95-100 DEG C, modifying agent is added, modifying agent is 1- amine propyl -4-methylimidazole tetrafluoro
Borate, alginate propylene glycol, glycerin diglycidyl ether, triazine bi-quaternary ammonium salt are according to 1:1:2:5 mass ratio is formed
Mixture, clean 15-20 minutes；
(4) obtained modification fabric is soaked in the mixing being made of sucrose fatty ester, diglycidyl ether, chitosan, water
In liquid, the pH that mixed liquor is adjusted with dilute hydrochloric acid is 3.5-4.5, is impregnated 3-5 hours, then by the modification fabric clear water after immersion
Washing to surface is neutrality, and twice-modified fabric is obtained through dehydration；
(5) by obtained twice-modified fabric through scutcher open-width, then drying machine drying and processing 35- at 115-135 DEG C
45 minutes to get finished product carbassus.
2. the preparation method of promoting healing solubility carbassus according to claim 1, which is characterized in that the step
(1) frequency of ultrasonic disperse is 20-25kHz in, and ultrasonic power 200-300W, sonication treatment time is 30-40 minutes.
3. the preparation method of promoting healing solubility carbassus according to claim 1, which is characterized in that the step
(2) vacuum degree of vacuum defoamation is -0.08 to -0.1MPa in, and inclined heated plate is 40-60 minutes.
4. the preparation method of promoting healing solubility carbassus according to claim 1, which is characterized in that the step
(2) coagulation bath temperature in is 50 DEG C, and spinning temperature is 85-95 DEG C, orifice diameter 0.5mm.
5. the preparation method of promoting healing solubility carbassus according to claim 1, which is characterized in that the step
(3) a concentration of 3-4g/L of modifying agent in water in.
6. the preparation method of promoting healing solubility carbassus according to claim 1, which is characterized in that the step
(4) sucrose fatty ester in, diglycidyl ether, chitosan and water mass ratio be 2:3:6:150.
7. according to promoting healing solubility carbassus made from any one of the claim 1-6 preparation methods in medical conduct
Application in industry.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI721357B (en) * | 2019-01-04 | 2021-03-11 | 鴻海精密工業股份有限公司 | Cloth using a heat sink, and clothes and mouth mask using the cloth |
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