CN107469130A - Sisal hemp environmental protection hospital gauze and preparation method thereof - Google Patents
Sisal hemp environmental protection hospital gauze and preparation method thereof Download PDFInfo
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- 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
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- 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
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61L15/32—Proteins, polypeptides; Degradation products or derivatives thereof, e.g. albumin, collagen, fibrin, gelatin
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61L15/40—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing ingredients of undetermined constitution or reaction products thereof, e.g. plant or animal extracts
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- 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
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- 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
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- 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
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
- A61L2300/102—Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates
- A61L2300/104—Silver, e.g. silver sulfadiazine
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
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Abstract
The invention discloses a kind of sisal hemp environmental protection hospital gauze, include the raw material of following parts by weight：3 parts of 80 parts of sisal fiber, 40 parts of chitin fiber, 10 parts of starch, 10 parts of leukotrienes, 8 parts of nano-Ag particles, 7 parts of white carbon, 8 parts of cecropin, 5 parts of natural antibacterial agent, 5 parts of citric acid, 4 parts of Ludox and glycerine.The invention also discloses a kind of preparation method of sisal hemp environmental protection hospital gauze, and by preparing thermoplastic modification starch, sisal fiber and chitin fiber being pre-processed, the sisal hemp environmental protection hospital gauze is made.The hospital gauze of the present invention is degradable, possesses that biocidal property is good, good toughness, and preparation method is simple, and cost of material is low, is adapted to large-scale promotion and application.
Description
Technical field
The present invention relates to hospital gauze field.It is more particularly related to a kind of sisal hemp environmental protection hospital gauze and its
Preparation method.
Background technology
Hospital gauze is the necessity in our daily lifes, and human body often uses hospital gauze to carry out after injury
Bind up a wound, but often after wound dressing because wound needs slowly healing to cause gauze frequently not change, in case wound is received
To secondary damage, especially the summer of sweltering heat, the sweat that human body can be absorbed after gauze wrapping cause gauze after use can again
It is smelly more can breed bacteria, therefore selectivity some compositions are used in hospital gauze process, existing gauze can be made
There is automatic deodorizing and bactericidal, while also there is degradable function, there is good prospect.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of sisal hemp environmental protection hospital gauze and preparation method thereof, its is degradable, tough
Property it is good, preparation method is simple, and cost of material is low, is adapted to large-scale promotion and application.
In order to realize according to object of the present invention and further advantage, there is provided a kind of sisal hemp environmental protection hospital gauze, bag
Include the raw material of following parts by weight：80 parts of sisal fiber, 40 parts of chitin fiber, 10 parts of starch, 10 parts of leukotrienes, Nano Silver
3 parts of 8 parts of grain, 7 parts of white carbon, 8 parts of cecropin, 5 parts of natural antibacterial agent, 5 parts of citric acid, 4 parts of Ludox and glycerine.
Preferably, the starch is cornstarch, and its amylose content is more than 18%, and water content is below 8%.
Preferably, the preparation method of the natural antibacterial agent is：By the juniper of 5 parts by weight, 3 parts by weight argy wormwood, with
And 2 parts by weight aloe mixing mash after, mix with the ethanol of 10 parts by weight and the distilled water of 100 parts by weight, protected at 55 DEG C
6h is held, is then filtrated to get filtrate, after the 1/5 of filtrate decompression distillation and concentration to original weight amount, that is, obtains the natural antibacterial agent.
A kind of preparation method of sisal hemp environmental protection hospital gauze, comprises the following steps：
S1, the distilled water mixing by the glycerine of above-mentioned parts by weight, starch and 200 parts by weight, hold at a temperature of 70 DEG C
Continuous stirring 120min, obtains starch microemulsion, Ludox, the citric acid of above-mentioned parts by weight is then added in starch microemulsion,
Flow back 36h at 85 DEG C, collects solid, that is, obtains thermoplastic modification starch；
S2, the sisal fiber of above-mentioned parts by weight is put into the dilution heat of sulfuric acid that mass fraction is 1.5% and soaks 3h, so
Take out to be put into steam blasting pretreatment unit afterwards and 5min is handled under 2.5MPa pressure, be then dried to water content and be less than
8%, obtain pretreated sisal fiber；
S3, the chitin fiber of above-mentioned parts by weight is put into the sodium hydroxide solution immersion 2h that mass fraction is 1.8%,
Then take out to be put into steam blasting pretreatment unit and 6min is handled under 2.2MPa pressure, be then dried to water content and be less than
6%, obtain pretreated chitin fiber；
S4, the distilled water of the leukotrienes of above-mentioned parts by weight and 400 parts by weight is mixed to get flax acid solution, in Asia
The nano-Ag particles, white carbon and cecropin of above-mentioned parts by weight are added in numb acid solution, are stirred, kiering liquid is made,
Then pretreated chitin fiber in pretreated sisal fiber in S2 and pre- and S3 is put into the kiering liquid and mixed
Conjunction stirs, and adjusts the kiering liquid pH to 6.5, then carries out kiering processing, and kiering temperature is 45 DEG C, and the kiering time is
3h, the kiering liquid is persistently stirred during kiering, the mixed of sisal fiber and chitin fiber composition is filtrated to get after the completion of kiering
Condensating fiber；
S5, by the natural of the thermoplastic modification starch obtained in the composite fibre obtained in S4, S1 and above-mentioned parts by weight
Antiseptic is mixed, and gauze fabric is then made, and gauze fabric is carried out into fumigation sterilizing using oxirane, then uses temperature
30min is boiled for 50 DEG C of clear water, is rinsed 3 times through clear water, then through cloth outputting, dehydration, drying and processing, that is, it is medical to obtain the sisal hemp environmental protection
Gauze.
Preferably, the solvent that the kiering liquid pH is adjusted in S4 is acetic acid.
Preferably, drying and processing is that processing is dried in the vacuum drier at a temperature of 50 DEG C in S5.
The present invention comprises at least following beneficial effect：Production cost of the present invention is low, environmental pressure is small, have economic benefit,
Environmental benefit and ecological benefits, the hospital gauze of preparation can be degradable, does not pollute the environment, and has good toughness；It is right
Sisal fiber and chitin fiber carry out steam blasting pretreatment, under high pressure in cellulosic molecule hydrogen bond by a certain degree of
Destroy, the mobility increase of cellulose chain, be advantageous to cellulose and change to ordered structure, meanwhile, the fracture of cellulose molecular chain,
Make cellulose chain be easier to rearrange, improve the mechanical property of fiber, there is preferable penetrability, gas permeability；Starch conversion
The thermoplastic obtained afterwards, compatibility is fine, can reach thermodynamic compatibility state, improves the stabilization of modified product performance
Property, alleviate environmental pollution caused by a large amount of non-degradable synthesis waste polymer materials；Nano-Ag particles, white carbon have fine
Deodorization performance, absorption and deodorization for summer human sweat have the effect of special, also has the effect of sterilization；Antibiotic property
Protein cecropin has heat resistance, and antibiotic property is wide, has certain effect to resistance venereal bacteria；Kiering is to utilize leukotrienes and fiber
The reaction of generation chemical degradation, emulsification, Swelling Functions etc. so that the supramolecular structure of fiber surface obtains a certain degree of broken
It is bad, so as to improve the pliability of fibrous material and comfort level.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained.
<Embodiment 1>
A kind of sisal hemp environmental protection hospital gauze, include the raw material of following parts by weight：80 parts of sisal fiber, chitin fiber 40
Part, 10 parts of starch, 10 parts of leukotrienes, 8 parts of nano-Ag particles, 7 parts of white carbon, 8 parts of cecropin, 5 parts of natural antibacterial agent, citric acid
3 parts of 5 parts, 4 parts of Ludox and glycerine；
The starch is cornstarch, and its amylose content is more than 18%, and water content is below 8%.
The preparation method of the natural antibacterial agent is：By the juniper of 5 parts by weight, the argy wormwood of 3 parts by weight and 2 parts by weight
Aloe mixing mash after, mixed with the ethanol of 10 parts by weight and the distilled water of 100 parts by weight, 6h kept at 55 DEG C, then
Filtrate is filtrated to get, after the 1/5 of filtrate decompression distillation and concentration to original weight amount, that is, obtains the natural antibacterial agent；
A kind of preparation method of sisal hemp environmental protection hospital gauze, comprises the following steps：
S1, the distilled water mixing by the glycerine of above-mentioned parts by weight, starch and 200 parts by weight, hold at a temperature of 70 DEG C
Continuous stirring 120min, obtains starch microemulsion, Ludox, the citric acid of above-mentioned parts by weight is then added in starch microemulsion,
Flow back 36h at 85 DEG C, collects solid, that is, obtains thermoplastic modification starch；
S2, the sisal fiber of above-mentioned parts by weight is put into the dilution heat of sulfuric acid that mass fraction is 1.5% and soaks 3h, so
Take out to be put into steam blasting pretreatment unit afterwards and 5min is handled under 2.5MPa pressure, be then dried to water content and be less than
8%, obtain pretreated sisal fiber；
S3, the chitin fiber of above-mentioned parts by weight is put into the sodium hydroxide solution immersion 2h that mass fraction is 1.8%,
Then take out to be put into steam blasting pretreatment unit and 6min is handled under 2.2MPa pressure, be then dried to water content and be less than
6%, obtain pretreated chitin fiber；
S4, the distilled water of the leukotrienes of above-mentioned parts by weight and 400 parts by weight is mixed to get flax acid solution, in Asia
The nano-Ag particles, white carbon and cecropin of above-mentioned parts by weight are added in numb acid solution, are stirred, kiering liquid is made,
Then pretreated chitin fiber in pretreated sisal fiber in S2 and pre- and S3 is put into the kiering liquid and mixed
Stir, adjust the kiering liquid pH to 6.5, then carry out kiering processing, kiering temperature is 45 DEG C, and the kiering time is 3h, is boiled
The kiering liquid is persistently stirred during white silk, the composite fibre of sisal fiber and chitin fiber composition is filtrated to get after the completion of kiering；
S5, by the natural of the thermoplastic modification starch obtained in the composite fibre obtained in S4, S1 and above-mentioned parts by weight
Antiseptic is mixed, and gauze fabric is then made, and gauze fabric is carried out into fumigation sterilizing using oxirane, is then with temperature
50 DEG C of clear water boil 30min, are rinsed 3 times through clear water, then through cloth outputting, dehydration, drying and processing, that is, obtain the sisal hemp environmental protection hospital gauze；
Wherein, the solvent that the kiering liquid pH is adjusted in S4 is acetic acid；
Drying and processing is that processing is dried in the vacuum drier at a temperature of 50 DEG C in S5.
<Comparative example 1>
A kind of sisal hemp environmental protection hospital gauze, formula and preparation method with embodiment 1, unlike, without S1 steps, i.e.,
Processing is modified to starch without glycerine, Ludox, citric acid.
<Comparative example 2>
A kind of sisal hemp environmental protection hospital gauze, formula and preparation method with embodiment 1, unlike, not to sisal fiber and
Chitin fiber carries out steam blasting pretreatment.
<Comparative example 3>
A kind of sisal hemp environmental protection hospital gauze, is formulated and preparation method is with embodiment 1, the difference is that, it is molten without using leukotrienes
Liquid, nano-Ag particles, white carbon and cecropin carry out kiering processing to sisal fiber and chitin fiber.
<Gauze Mechanics Performance Testing is tested>
Tested according to GB/T 1040.3, the hospital gauze prepared to embodiment 1, comparative example 1,2,3 and pharmacy
Sell hospital gauze to be tested, as a result as shown in table 1.
Table 1
Found out by table 1, the elongation at break of hospital gauze, compression rebound rate and reply work(percentage are equal in embodiment 1
Hospital gauze is sold better than comparative example 1~3 and pharmacy, this shows to be modified starch at place by glycerine, Ludox, citric acid
Reason, sisal fiber and chitin fiber are carried out steam blasting pretreatment, using flax acid solution, nano-Ag particles, white carbon,
And cecropin carries out the pliability of hospital gauze prepared by kiering processing to sisal fiber and chitin fiber and comfort level obtains
To significantly improving.
<Hospital gauze biodegradability testing experiment>
Tested according to GB/T 20197, the hospital gauze and pharmacy prepared to embodiment 1, comparative example 2,3 sells doctor
Tested with gauze, as a result as shown in table 2.
Found out by table 2, hospital gauze prepared by embodiment 1, soil buries degradation rate after 120d and reaches 98.8%, and comparative example 1
~3 will be significantly lower than hospital gauze prepared by embodiment 1, and pharmacy sells degraded of the hospital gauze after soil buries 30d, 60d, 120d
Rate is far below embodiment 1 and comparative example 1~3.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the embodiment with description.
Claims (6)
1. a kind of sisal hemp environmental protection hospital gauze, it is characterised in that include the raw material of following parts by weight：80 parts of sisal fiber, first
40 parts of shell cellulose fiber, 10 parts of starch, 10 parts of leukotrienes, 8 parts of nano-Ag particles, 7 parts of white carbon, 8 parts of cecropin, natural antibacterial agent
3 parts of 5 parts, 5 parts of citric acid, 4 parts of Ludox and glycerine.
2. sisal hemp environmental protection hospital gauze as claimed in claim 1, it is characterised in that the starch is cornstarch, its straight chain
Content of starch is more than 18%, and water content is below 8%.
3. sisal hemp environmental protection hospital gauze as claimed in claim 1, it is characterised in that the preparation method of the natural antibacterial agent
For：The aloe of the juniper of 5 parts by weight, the argy wormwood of 3 parts by weight and 2 parts by weight is mixed after mashing, the ethanol with 10 parts by weight
Mixed with the distilled water of 100 parts by weight, 6h is kept at 55 DEG C, is then filtrated to get filtrate, by filtrate decompression distillation and concentration extremely
Behind the 1/5 of original weight amount, that is, obtain the natural antibacterial agent.
4. a kind of preparation method of sisal hemp environmental protection hospital gauze as claimed in claim 1, it is characterised in that including following step
Suddenly：
S1, the distilled water mixing by the glycerine of above-mentioned parts by weight, starch and 200 parts by weight, are persistently stirred at a temperature of 70 DEG C
120min is mixed, obtains starch microemulsion, Ludox, the citric acid of above-mentioned parts by weight are then added in starch microemulsion, 85
Flow back 36h at DEG C, collects solid, that is, obtains thermoplastic modification starch；
S2, the sisal fiber of above-mentioned parts by weight is put into the dilution heat of sulfuric acid that mass fraction is 1.5% and soaks 3h, Ran Houqu
Go out to be put into and handle 5min in steam blasting pretreatment unit under 2.5MPa pressure, be then dried to water content less than 8%, obtain
To pretreated sisal fiber；
S3, the chitin fiber of above-mentioned parts by weight is put into the sodium hydroxide solution immersion 2h that mass fraction is 1.8%, then
Taking-up is put into steam blasting pretreatment unit handles 6min under 2.2MPa pressure, is then dried to water content less than 6%,
Obtain pretreated chitin fiber；
S4, the distilled water of the leukotrienes of above-mentioned parts by weight and 400 parts by weight is mixed to get flax acid solution, in leukotrienes
The nano-Ag particles, white carbon and cecropin of above-mentioned parts by weight are added in solution, are stirred, kiering liquid are made, then
Pretreated chitin fiber in pretreated sisal fiber in S2 and pre- and S3 is put into mix in the kiering liquid and stirred
Mix uniformly, adjust the kiering liquid pH to 6.5, then carry out kiering processing, kiering temperature is 45 DEG C, and the kiering time is 3h, is boiled
The kiering liquid is persistently stirred during white silk, the mixing that sisal fiber and chitin fiber composition are filtrated to get after the completion of kiering is fine
Dimension；
S5, the natural antibacterial by the thermoplastic modification starch obtained in the composite fibre obtained in S4, S1 and above-mentioned parts by weight
Agent is mixed, and gauze fabric is then made, and gauze fabric is carried out into fumigation sterilizing using oxirane, is then 50 with temperature
DEG C clear water boils 30min, is rinsed 3 times through clear water, then through cloth outputting, dehydration, drying and processing, that is, obtains the medical yarn of the sisal hemp environmental protection
Cloth.
5. the preparation method of sisal hemp environmental protection hospital gauze as claimed in claim 4, it is characterised in that the kiering is adjusted in S4
Liquid pH solvent is acetic acid.
6. the preparation method of sisal hemp environmental protection hospital gauze as claimed in claim 4, it is characterised in that in S5 drying and processing be
Processing is dried in vacuum drier at a temperature of 50 DEG C.
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