CN109943899A - A kind of Biodegradable anti-biotic material and preparation method thereof - Google Patents
A kind of Biodegradable anti-biotic material and preparation method thereof Download PDFInfo
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- CN109943899A CN109943899A CN201910240086.8A CN201910240086A CN109943899A CN 109943899 A CN109943899 A CN 109943899A CN 201910240086 A CN201910240086 A CN 201910240086A CN 109943899 A CN109943899 A CN 109943899A
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Abstract
The invention discloses a kind of Biodegradable anti-biotic materials and preparation method thereof, prepare novel antibacterial material using the compound system that carbonyl bearing polymer, amido polymer, polyethylene oxide, poly lactide-glycolide acid and fiber or filler form；In preparation method, firstly, carbonyl bearing polymer and fiber or filler are dispersed in water to form premix A in the case where mechanical stirring；Then, in the case where mechanical stirring, by amido polymer, polyethylene oxide and poly lactide-glycolide acid formation premix B soluble in water；Finally, premix A and premix B is blended, gel, membranaceous or fibrous novel antibacterial material is prepared.Raw material used in invention all has excellent biocompatibility and biodegradability, and water is solvent, non-environmental-pollution harm；And the preparation process of fiber is simple, low in cost, it is expected to the fields such as the biological medicine that is widely used, environmental protection, food and health.
Description
Technical field
The present invention relates to technical field of polymer materials, specially a kind of Biodegradable anti-biotic material and its preparation
Method.
Background technique
With the continuous promotion of people's quality of life, extensive use is had been obtained in every field in anti-biotic material.Especially
Be in fields such as dress ornament, home textile, food, health, medical supplies, it is higher and higher to the requirement of anti-biotic material.For example, excellent
Anti-microbial property, attachment of the bacterium on clothing can be kept out, the threat of bacterial disease cross transmission and infection is greatly reduced.Mesh
Before, relatively conventional antibacterial agent includes inorganic antiseptic, organic antibacterial agent, natural antibacterial agent and polymer antibacterial agent.But nothing
Machine antibacterial agent often has an impact the health of human body, can also generate certain pollution to environment.It compares, organic anti-bacterial
Agent, natural antibacterial agent and polymer antibacterial agent etc. then show great advantage, still, these antibacterial agents are introduced related material
In material and make it that excellent service performance be kept often to there is greatly challenge.
Chitosan is to be obtained by the chitin that nature is widely present by deacetylation, has biological functionality, phase
The excellent performances such as capacitive, blood compatibility, safety, microbic resolvability, be widely used in medicine, food, chemical industry,
The numerous areas such as cosmetics, water process, METAL EXTRACTION and recycling, biochemistry and biomedical engineering.Similarly, it is also due to a large amount of
The presence of amino group makes polylysine and polyethyleneimine etc. also have excellent anti-microbial property, in medicine, weaving and food
Equal fields have a wide range of applications.More advantage, polylysine and polyethyleneimine can be by manually carrying out scale
Synthesis, have very big development and application space.
Alginic acid is a kind of natural polysaccharide, can be obtained by extracting in seaweed.It is each to repeat list in addition to the presence of great amount of hydroxy group
Also contain a carboxylic group in member, so that sodium alginate has thickening, suspends, emulsification, stablizes and formed gel, film, fibre
The characteristic of dimension has long and extensive purposes in industry such as food, biomedicine, papermaking and makeups.Xanthan gum be then it is a kind of by
The monospore polysaccharides that fermentation generates, macromolecular also contain a large amount of carboxyl and hydroxyl group, are used as emulsifier, stabilization
Agent, gelling thickener, size, film forming agent etc..Similarly, contain on each monomeric unit of xanthan gum and polyacrylic acid
Carboxyl, these polymer also have excellent water solubility and complexing power, are also widely used in water process, food, amenities
Equal fields.Equally, xanthan gum and polyacrylic acid can also be realized the industrial production of scale, be birdsed of the same feather flock together for this by artificial synthesized
The extensive use for closing object material provides guarantee.
Existing anti-biotic material degradable ability is poor simultaneously, is unfavorable for environment-protecting clean, therefore designing a kind of new bio can
Degradation antimicrobial material is very necessary.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of Biodegradable anti-biotic material and preparation method thereof
The problem of being proposed in background technique.
In order to solve the above technical problem, the present invention provides following technical solutions: a kind of Biodegradable antibacterial material
Material, including premix A and premix B, the premix A is dispersed in water by carbonyl bearing polymer and fiber or filler to be formed,
The weight percent concentration containing carboxylic acid polyalcohol is 0.001 ~ 60% in the premix A, and the weight percent of fiber or filler
Concentration is 0 ~ 95%, and the premix B amido polymer, polyethylene oxide and poly lactide-glycolide acid are soluble in water
It is formed, the weight percent concentration of amido polymer is 0.001 ~ 30% in the premix B, and the weight of polyethylene oxide
Percent concentration is 1 ~ 30%, and the weight percent concentration of poly lactide-glycolide acid is 1 ~ 25%.
A kind of preparation method of Biodegradable anti-biotic material, including step 1 prepare raw material；Step 2, production
Premix A；Step 3 makes premix B；Step 4 makes finished product；
Wherein in the above step 1, be respectively according to the mass percentage of each component: 0.001 ~ 60% carboxylic acid that contains polymerize
Object, 0 ~ 95% fiber or filler, 0.001 ~ 30% amido polymer, 1 ~ 30% polyethylene oxide and 1 ~ 25% poly- cream
Acid-co-glycolic acid, surplus are that water is chosen, and is weighed according to the sum of mass percent for 1；
Wherein in above-mentioned steps two, production premix A the following steps are included:
1) aqueous solvent is added in clean dispersion machine；
2) it is stirred continuously, carboxylic acid polyalcohol will be contained and be added to the water, continue stirring until dissolving；
3) fiber or filler are added, premix A is uniformly mixing to obtain；
Wherein in above-mentioned steps three, production premix B the following steps are included:
1) aqueous solvent is added in clean dispersion machine；
2) it is stirred continuously, amido polymer is added to the water, continue stirring until dissolving；
3) it is successively slowly added to polyethylene oxide and poly lactide-glycolide acid again, is uniformly mixing to obtain premix B；
Wherein in above-mentioned steps four, premix A and premix B is blended, novel antibacterial material can be prepared.
According to the above technical scheme, the carboxylic acid polyalcohol that contains is sodium alginate, xanthan gum, polyacrylic acid and its mixing
Object, but be not limited to provide in this patent contains carboxylic acid polyalcohol, preferably selects the mixture of sodium alginate and xanthan gum, leads to
Often, have containing carboxylic acid polyalcohol water-soluble well.
According to the above technical scheme, the amido polymer is chitosan, lysine, polyethyleneimine and its mixing
Object, but the amido polymer provided in this patent is provided, the mixture of chitosan and lysine is preferably selected, in general,
Have containing carboxylic acid polyalcohol water-soluble well.
According to the above technical scheme, the fiber or filler are natural fiber, artificial synthetic fiber, carbon nanotube, graphite
One of alkene and silica are a variety of, but are not limited to the fiber provided in this patent or filler, preferably select natural fibre
The mixture of peacekeeping graphene.
According to the above technical scheme, it in the step 5, injects a mixture into the container of certain shapes and volume, both may be used
Gelatinous novel antibacterial material is prepared, the shape and volume of container, which can according to need, carries out mold selection, for example, sharp
The gel of sheet can be prepared with the cavity between two pieces of glass plates；By the distance between control glass plate, can be prepared into
To the gel of different-thickness.
According to the above technical scheme, in the step 5, premix A is first coated into a uniform film, after by premix B
It is sprayed on premix A film, membranaceous novel antibacterial material can both be prepared, pass through the coating and spraying work repeatedly recycled
Skill can prepare the membrane material of different-thickness.
According to the above technical scheme, in the step 5, premix A and premix B are total in fiber spinning jet
It mixes and is stretched, the novel antibacterial material of threadiness can both be prepared, by controlling the size of fiber spinning jet, stretching speed
The techniques such as degree, can be prepared the fibrous novel antibacterial material of different-diameter.
According to the above technical scheme, described Step 1: in step 2 and step 3, mixing speed 100-120rpm.
According to the above technical scheme, described Step 1: mixing temperature is room temperature in step 2 and step 3.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being: the Biodegradable anti-biotic material and its
Preparation method is passed through using amino group on amido polymer and containing the quiet interaction on carboxylic acid polyalcohol between carboxyl
Complexing forms high molecular material, and a kind of composite system enhanced using fiber or filler etc. institute's forming material,
And it is used containing carboxylic acid polyalcohol, amino polymer, polyethylene oxide and poly lactide-glycolide acid all have it is excellent
Biocompatibility and biodegradability, the solvent used is all water, non-environmental-pollution harm, while prepared solidifying
Glue, membranaceous or fibrous anti-biotic material preparation process are simple, low in cost, the biological medicine that can be widely used, environmental protection,
The fields such as food and health.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is preparation flow figure of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution:
Embodiment 1:
A kind of preparation method of Biodegradable antibiotic cotton fiber, comprising the following steps:
1) 50% cotton fiber is dispersed in the mixed aqueous solution that weight percent is 5.0% xanthan gum and 2.50% sodium alginate
Premixed liquid A is prepared；
2) by polylysine, polyethylene oxide and poly lactide-glycolide acid is soluble in water that weight percent is prepared
For 2.5% premixed liquid B；
3) premixed liquid A and premixed liquid B are blended in spinning head, and fibrous material is prepared by stretching, control fiber
Tensile speed is 1.5m/min；
4) by the moisture content of fiber surface attachment at room temperature naturally dry to get to containing the new of polymer antibacterial agent polylysine
Fiber type shape anti-biotic material.
Embodiment 2:
A kind of preparation method of Biodegradable antibacterial polyester fibre, comprising the following steps:
1) 20% polyester fiber is dispersed in the mixed aqueous solution that weight percent is 10.0% xanthan gum and 1.0% sodium alginate
In premixed liquid A is prepared；
2) by chitosan, polylysine, polyethylene oxide and poly lactide-glycolide acid is soluble in water that weight is prepared
Percentage is respectively 1% and 2% premixed liquid B；
3) premixed liquid A and premixed liquid B are blended in spinning head, and fibrous material is prepared by stretching, control fiber
Tensile speed is 5m/min；
4) by the moisture content of fiber surface attachment at room temperature naturally dry to get to containing polymer antibacterial agent chitosan and poly- relying
The tencel shape anti-biotic material of propylhomoserin.
Embodiment 3:
A kind of Biodegradable antibacterial carbon nanotube enhancing antibacterial gel preparation method, comprising the following steps:
1) carbon nanotube of weight percent 1% is dispersed in weight percent is 5.0% polyacrylic acid and 2.5% sodium alginate
Premixed liquid A is prepared in mixed aqueous solution；
2) it is by chitosan, polyethylene oxide and the poly lactide-glycolide acid weight percent soluble in water that is prepared
2.0% premixed liquid B；
3) premixed liquid A and premixed liquid B are quickly blended in beaker, and are injected into mold and gel rubber material is prepared,
This kind of material can be used for the antibacterial gel to human body hurtless measure.
Embodiment 4:
A kind of Biodegradable graphene enhancing antibacterial gel preparation method, comprising the following steps:
By the graphene dispersion of weight percent 3% in the mixing water that weight percent is 10.0% xanthan gum and 5.0% polyacrylic acid
Premixed liquid A is prepared in solution；
It is by chitosan, polyethylene oxide and the poly lactide-glycolide acid weight percent soluble in water that is prepared
10.0% premixed liquid B；
Premixed liquid A and premixed liquid B are quickly blended in beaker, and is injected into mold and gel rubber material is prepared, it should
Kind material can be used for the antibacterial gel to human body hurtless measure.
Embodiment 5:
A kind of preparation method of Biodegradable antibacterial facial mask, comprising the following steps:
1) acid fiber by polylactic of weight percent 10% is dispersed in weight percent is the mixed of 3.0% xanthan gum and 1% sodium alginate
Premixed liquid A is prepared in Heshui solution；
2) by the polylysine premixed liquid B soluble in water that weight percent is prepared and is 1.5%；
3) premixed liquid A is coated on above plastic film, and premixed liquid even application is repeated operation on premixed liquid A
Five times, film material can be prepared；
4) by film material by filtering, washing, after preparatory processing, first wet-laying obtains base fabric first sample, in conjunction with spun lacing work
Skill carries out spun lacing to first sample, makes its reinforcing, antibacterial facial mask is prepared.
Embodiment 6:
A kind of Biodegradable anti-bacterial refreshing membrane preparation method, comprising the following steps:
1) polyester fiber of weight percent 10% is dispersed in the mixing that weight percent is 1.0% xanthan gum and 1% sodium alginate
Premixed liquid A is prepared in aqueous solution；
2) by the polylysine premixed liquid B soluble in water that weight percent is prepared and is 1.0%；
3) premixed liquid A is coated on above plastic film, and premixed liquid even application is repeated operation on premixed liquid A
Three times, film material can be prepared, this kind of material can be used for the preservative film of fruit and food.
Embodiment 7:
A kind of Biodegradable antibacterial sanitary napkin or diaper preparation method, comprising the following steps:
1) cotton fiber of weight percent 10% is dispersed in the mixing that weight percent is 10.0% xanthan gum and 20% sodium alginate
Premixed liquid A is prepared in aqueous solution；
2) by the polylysine premixed liquid B soluble in water that weight percent is prepared and is 5%；
3) premixed liquid A and premixed liquid B are stirred blending in beaker；
4) after reaction, by filtering, washing is dry that anti-biotic material master batch is made, and stirs evenly after dissolving through blender, makes
At sanitary napkin or diaper surface layer anti-biotic material.
Based on above-mentioned, the antibacterial agents such as the comprehensive polylysine of the present invention, chitosan, polyethyleneimine and alginic acid, xanthan gum,
The characterization of molecules and functional character of the polymer such as polyacrylic acid have invented a kind of simple process, low-cost novel antibacterial material
Material and preparation method thereof；In conjunction with specific technique, gel, fiber or the materials such as membranaceous can be prepared into, and be expected to be answered extensively
For fields such as biological medicine, environmental protection, food and health, for example, fruit freshness preserving film or fresh-keeping coating, sanitary napkin, diaper, anti-
The amenities such as bacterium fiber, antibacterial facial mask and material.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of Biodegradable anti-biotic material, including premix A and premix B, it is characterised in that: the premix A
It is dispersed in water and is formed by carbonyl bearing polymer and fiber or filler, the weight percent containing carboxylic acid polyalcohol in the premix A
Specific concentration is 0.001 ~ 60%, and the weight percent concentration of fiber or filler is 0 ~ 95%, and the premix B polymerize containing amino
Object, polyethylene oxide and poly lactide-glycolide acid formation soluble in water, amido polymer in the premix B
Weight percent concentration is 0.001 ~ 30%, and the weight percent concentration of polyethylene oxide is 1 ~ 30%, poly lactic-co-glycolic acid
The weight percent concentration of copolymer is 1 ~ 25%.
2. a kind of preparation method of Biodegradable anti-biotic material, including step 1 prepare raw material；Step 2, production are pre-
Mixing A；Step 3 makes premix B；Step 4 makes finished product；It is characterized by:
Wherein in the above step 1, be respectively according to the mass percentage of each component: 0.001 ~ 60% carboxylic acid that contains polymerize
Object, 0 ~ 95% fiber or filler, 0.001 ~ 30% amido polymer, 1 ~ 30% polyethylene oxide and 1 ~ 25% poly- cream
Acid-co-glycolic acid, surplus are that water is chosen, and is weighed according to the sum of mass percent for 1；
Wherein in above-mentioned steps two, production premix A the following steps are included:
1) aqueous solvent is added in clean dispersion machine；
2) it is stirred continuously, carboxylic acid polyalcohol will be contained and be added to the water, continue stirring until dissolving；
3) fiber or filler are added, premix A is uniformly mixing to obtain；
Wherein in above-mentioned steps three, production premix B the following steps are included:
1) aqueous solvent is added in clean dispersion machine；
2) it is stirred continuously, amido polymer is added to the water, continue stirring until dissolving；
3) it is successively slowly added to polyethylene oxide and poly lactide-glycolide acid again, is uniformly mixing to obtain premix B；
Wherein in above-mentioned steps four, premix A and premix B is blended, novel antibacterial material can both be prepared.
3. a kind of novel antibacterial material according to claim 1, it is characterised in that: the carboxylic acid polyalcohol that contains is alginic acid
Sodium, xanthan gum, polyacrylic acid and its mixture.
4. a kind of novel antibacterial material according to claim 1, it is characterised in that: the amido polymer is poly- for shell
Sugar, lysine, polyethyleneimine and its mixture.
5. a kind of novel antibacterial material according to claim 1, it is characterised in that: the fiber or filler are natural fine
One of dimension, artificial synthetic fiber, carbon nanotube, graphene and silica are a variety of.
6. a kind of preparation method of novel antibacterial material according to claim 2, it is characterised in that: in the step 5,
It injects a mixture into the container of certain shapes and volume, gelatinous novel antibacterial material can both be prepared.
7. a kind of preparation method of novel antibacterial material according to claim 2, it is characterised in that: in the step 5,
Premix A is first coated into a uniform film, after premix B is sprayed on premix A film, can both be prepared membranaceous new
Type anti-biotic material.
8. a kind of preparation method of novel antibacterial material according to claim 2, it is characterised in that: in the step 5,
Premix A and premix B are blended and are stretched in fiber spinning jet, the novel anti-of threadiness can both be prepared
Bacterium material.
9. a kind of preparation method of novel antibacterial material according to claim 2, it is characterised in that: described Step 1: step
Rapid two and step 3 in, mixing speed 100-120rpm.
10. a kind of preparation method of novel antibacterial material according to claim 2, it is characterised in that: described Step 1: step
Rapid two and step 3 in, mixing temperature is room temperature.
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Application publication date: 20190628 |