CN102367634A - Coptis extract-containing natural antibacterial textile and preparation method thereof - Google Patents
Coptis extract-containing natural antibacterial textile and preparation method thereof Download PDFInfo
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- CN102367634A CN102367634A CN2011102128241A CN201110212824A CN102367634A CN 102367634 A CN102367634 A CN 102367634A CN 2011102128241 A CN2011102128241 A CN 2011102128241A CN 201110212824 A CN201110212824 A CN 201110212824A CN 102367634 A CN102367634 A CN 102367634A
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- microcapsules
- coptis extract
- natural antibacterial
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Abstract
The invention relates to a coptis extract-containing natural antibacterial textile and a preparation method thereof. The coptis extract-containing natural antibacterial textile comprises a base cloth and microcapsules attached to base cloth fibers, wherein the microcapsules are prepared from coptis extract, polyvinyl alcohol, glutaraldehyde and an emulsifier. The coptis extract-containing natural antibacterial textile has the advantages of strong antibacterial activity, safety, environmentally friendly characteristic, washing resistance, simple preparation processes and good adaptability for industrialized large-scale production.
Description
Technical field
The present invention relates to a kind of textiles, relate in particular to a kind of textiles with natural antibacterial function.
Background technology
Microorganism is ubiquitous at occurring in nature in microorganism, just breeding rapidly under suitable condition, and 1 bacterium can become 800 ten thousand after 8 hours.Human body is the desirable growing environment of microorganism; Textiles can affix human secretions such as sweat, sebum bits in wearing process; These all are the necessary nutrition of growth of microorganism; The porous type shape of textiles also helps adhering to of microorganism, and therefore, textiles is the good media of bacterial growth and breeding.Under general situation, the harm of our imperceptible bacterium, but the bacterium excessive multiplication can produce stink, and through skin, respiratory tract, alimentary canal and blood produce harm to health, can cause the generation of dermatitis and other various infectious diseases.The SARS crisis and the bird flu that take place have in recent years been beaten alarm bell to the mankind especially again, so the exploitation of antibacterial fabric more and more receives people's attention.
Antibacterial finishing agent commonly used at present comprises inorganic antiseptic and organic antibacterial agent two big classes.Inorganic antiseptic is divided into metal ion type and photocatalyst-type two big classes, mainly contains silver zeolite, silver-colored silica gel, active carbon of silver, TiO
2Deng.Organic antibacterial agent has quaternary ammonium salt, guanidine class, organo-metallic compound etc.These two kinds of antibacterial finishing agents are chemicals, be prone to cause environmental pollution, and the health of human body is had harm.The enhancing of Along with people's environmental consciousness and green textiles popular, natural antibacterial agent will become the first-selection that following antibacterial fabric is produced, and it is significant that therefore invention contains the textiles of natural antibacterial agent.
Ranunculaceae Coptis perennial evergreen draft.Have another name called river company, flavor company, the shank coptis.Be used as medicine with root-like stock.Root-like stock has purging intense heat and detonicating when being used as Chinese medicine, heat-clearing and damp-drying drug effect, diseases such as row heat poison, high heat agitation, dysentery, aphtha, ulcer serious case of furuncle in the time of can controlling.Pharmacological testing proves antibacterial and antiviral, antiprotozoan effect is arranged, and can bring high blood pressure down coronary artery dilator.The coptis contains multiple alkaloids such as jamaicin, coptisine, and other contains compositions such as obakunone, obakulactone.But the document record that coptis extract is used for textiles is not arranged.
Summary of the invention
Goal of the invention: the present invention is in order to solve the deficiency of prior art, a kind of safety, environmental protection, wash fast natural antibacterial textiles that contains coptis extract to be provided.
Technical scheme: in order to solve above technical problem, the technical scheme that the present invention adopts is following:
A kind of natural antibacterial textiles that contains coptis extract comprises a base cloth and is attached to above microcapsules on the base cloth fiber.
As preferred version, the microcapsules on a kind of natural antibacterial textiles base cloth fiber that contains coptis extract are processed by coptis extract, polyvinyl alcohol, glutaraldehyde, emulsifying agent.
As more preferably scheme, the microcapsules on a kind of natural antibacterial textiles base cloth fiber that contains coptis extract are processed by 10～30 weight portion coptis extracts, 1～10 weight account polyethylene alcohol, 30～60 weight portion glutaraldehydes, 2～30 weight portion emulsifying agents.
Preparation process is following:
(1) preparation microcapsules: take by weighing 10～30 parts of coptis extracts, 1～10 part of polyvinyl alcohol, 30～60 parts of glutaraldehydes, 2～30 parts of emulsifying agents; Coptis extract and polyvinyl alcohol water solution are mixed; Mix the back and inject the continuous phase n-hexane high speed emulsification that contains emulsifying agent; Rotating speed 700～2500r/min is prepared into latex A; Glutaraldehyde is mixed with 5～10 of 10%～30% aqueous hydrochloric acid solutions, mix the back and inject the continuous phase n-hexane high speed emulsification that another part contains emulsifying agent, rotating speed 700～2500r/min is prepared into emulsion B; A, B two emulsions are mixed down at 10～30 ℃, and high-speed stirred 0.5～2h, filter, petroleum ether 3～5 times ,-10～-5 ℃ of freeze dryings get microcapsules;
(2) microcapsules are bonded on the base cloth.Fixing method comprises: infusion process, padding method, Decal.
The present invention has the following advantages:
1, gained antibacterial textile of the present invention is active strong, and staphylococcus aureus, ETEC etc. is all had tangible fungistatic effect.
2, the present invention adopts this natural antibacterial agent of coptis extract, has the characteristics of safety, environmental protection.
3, gained antibacterial fabric wash resistant of the present invention still has antibiotic rate preferably behind cyclic washing 15 times.
4, preparation technology of the present invention is simple, is fit to industrialized production.
The specific embodiment
Following embodiment, Test Example all are further to explain to of the present invention, and unintelligible is limitation of the present invention.
1 one kinds of preparation methods that contain the natural antibacterial textiles of coptis extract of embodiment
(1) preparation microcapsules: take by weighing 10 parts of coptis extracts, 1 part of polyvinyl alcohol, 30 parts of glutaraldehydes, 2 parts of emulsifying agents; Coptis extract and polyvinyl alcohol water solution are mixed; Mix the back and inject the continuous phase n-hexane high speed emulsification that contains 1 part of emulsifying agent; Rotating speed 700r/min is prepared into latex A; Glutaraldehyde is mixed with 5 of 10% aqueous hydrochloric acid solutions, mix the back and inject the continuous phase n-hexane high speed emulsification that another part contains 1 part of emulsifying agent, rotating speed 700 is prepared into emulsion B; A, B two emulsions are mixed down at 10 ℃, and high-speed stirred 0.5h, filter, petroleum ether 3 times ,-10 ℃ of freeze dryings get microcapsules;
(2) adopt Decal that microcapsules are bonded on the base cloth:
technical recipe
Printing coating
Coptis extract microcapsules 35%
Stamp rubber cement 65% (adhesive, thickener, water)
The set amount is printing coating 35g/m
2
(100～115 ℃, 30 seconds) are solidified in stamp (silk screen) oven dry (60～80 ℃), promptly make antibacterial fabric.
2 one kinds of preparation methods that contain the natural antibacterial textiles of coptis extract of embodiment
(1) preparation microcapsules: take by weighing 30 parts of coptis extracts, 10 parts of polyvinyl alcohol, 60 parts of glutaraldehydes, 30 parts of emulsifying agents; Coptis extract and polyvinyl alcohol water solution are mixed; Mix the back and inject the continuous phase n-hexane high speed emulsification that contains 15 parts of emulsifying agents; Rotating speed 2500r/min is prepared into latex A; Glutaraldehyde is mixed with 10 of 30% aqueous hydrochloric acid solutions, mix the back and inject the continuous phase n-hexane high speed emulsification that another part contains 15 parts of emulsifying agents, rotating speed 2500r/min is prepared into emulsion B; A, B two emulsions are mixed down at 30 ℃, and high-speed stirred 2h, filter, petroleum ether 5 times ,-5 ℃ of freeze dryings get microcapsules;
(2) adopt Decal that microcapsules are bonded on the base cloth:
Printing coating
Coptis extract microcapsules 30%
Stamp rubber cement 70% (adhesive, thickener, water)
The set amount is printing coating 35g/m
2
Stamp (silk screen), oven dry (60～80 ℃), curing (100～115 ℃, 30 seconds) promptly make antibacterial fabric.
3 one kinds of preparation methods that contain the natural antibacterial textiles of coptis extract of embodiment
(1) preparation microcapsules: take by weighing 20 parts of coptis extracts, 5 parts of polyvinyl alcohol, 40 parts of glutaraldehydes, 20 parts of emulsifying agents; Coptis extract and polyvinyl alcohol water solution are mixed; Mix the back and inject the continuous phase n-hexane high speed emulsification that contains 10 parts of emulsifying agents; Rotating speed 2000r/min is prepared into latex A; Glutaraldehyde is mixed with 7 of 20% aqueous hydrochloric acid solutions, mix the back and inject the continuous phase n-hexane high speed emulsification that another part contains 10 parts of emulsifying agents, rotating speed 2000r/min is prepared into emulsion B; A, B two emulsions are mixed down at 20 ℃, and high-speed stirred 1h, filter, petroleum ether 4 times ,-8 ℃ of freeze dryings get microcapsules;
(2) adopt padding method that microcapsules are bonded on the base cloth:
Coptis extract microcapsules 30%
2D resin 60% (adhesive, thickener, water)
Catalyst 8%
Bleeding agent 2%
Above component stirred promptly gets dressing liquid, and base cloth is immersed in the arrangement, and bath raio is 1:20, and two soak two rolls; Pick-up rate is 100%, in shaping drying, with 75～85 ℃ of preliminary drying 3～5min, under 170～180 ℃, cures 2～4min again; Be cooled to room temperature, wash, dry, promptly get.
The test of embodiment 4 bacteriostasis properties
1, experimental technique
With staphylococcus aureus and EHEC is test strain, and each bacterial classification is all established two experimental group, and one group is arrangement base cloth (being prepared into antibacterial fabric for embodiment 3), and one group for not putting base cloth in order.Adopt that improvement AATCC-100 test method(s) experimentizes, quantitative Analysis, investigate two kinds of base cloths fungistatic effect to staphylococcus aureus and EHEC after washing 0,5,10,15,20 time respectively.
2, experimental result
The result shows, the antibacterial fabric that contains coptis extract still more than 80%, shows that antibacterial fabric provided by the invention has washing durability preferably to the bacteriostasis rate of staphylococcus aureus and EHEC after through 20 washings.
The result sees table 1.
The antibiotic rate of the different washing times of table 1 arrangement back textiles
Claims (6)
1. a natural antibacterial textiles that contains coptis extract comprises a base cloth, it is characterized in that, has above microcapsules on the said base cloth fiber.
2. a kind of natural antibacterial textiles that contains coptis extract according to claim 1, it is characterized in that microcapsules are processed by the raw material of following weight parts: 10～30 parts of coptis extracts, 1～10 part of polyvinyl alcohol, 30～60 parts of glutaraldehydes, emulsifying agent are processed for 2～30 parts.
3. a kind of natural antibacterial textiles that contains coptis extract according to claim 2 is characterized in that emulsifying agent can be an anionic surfactant.
4. a kind of natural antibacterial textiles that contains coptis extract according to claim 2 is characterized in that emulsifying agent can be a nonionic surface active agent.
5. one kind prepares each described a kind of method that contains the natural antibacterial textiles of coptis extract of claim 1～4, it is characterized in that may further comprise the steps:
(1) preparation microcapsules: take by weighing 10～30 parts of coptis extracts, 1～10 part of polyvinyl alcohol, 30～60 parts of glutaraldehydes, 2～30 parts of emulsifying agents; Coptis extract and polyvinyl alcohol water solution are mixed; Mix the back and inject the continuous phase n-hexane high speed emulsification that contains emulsifying agent; Rotating speed 700～2500r/min is prepared into latex A; Glutaraldehyde is mixed with 5～10 of 10%～30% aqueous hydrochloric acid solutions, mix the back and inject the continuous phase n-hexane high speed emulsification that another part contains emulsifying agent, rotating speed 700～2500r/min is prepared into emulsion B; A, B two emulsions are mixed down at 10～30 ℃, and high-speed stirred 0.5～2h, filter, petroleum ether 3～5 times ,-10～-5 ℃ of freeze dryings get microcapsules;
(2) microcapsules are bonded on the base cloth.
6. a kind of method that contains the natural antibacterial textiles of coptis extract according to claim 5 is characterized in that the method that microcapsules are bonded on the base cloth is comprised: infusion process, padding method, Decal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102128241A CN102367634A (en) | 2011-07-28 | 2011-07-28 | Coptis extract-containing natural antibacterial textile and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102128241A CN102367634A (en) | 2011-07-28 | 2011-07-28 | Coptis extract-containing natural antibacterial textile and preparation method thereof |
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| CN102367634A true CN102367634A (en) | 2012-03-07 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080971A (en) * | 1993-07-19 | 1994-01-19 | 李福涛 | A kind of antibiotic, fabric and its production and application of sterilizing |
| CN101244185A (en) * | 2008-03-11 | 2008-08-20 | 王兆玉 | Chinese medicinal herb composition for treating skin disease and cloth containing the combination |
| CN101338518A (en) * | 2008-08-19 | 2009-01-07 | 苏州大学 | One-bath multifunctional finishing method of natural extracts on silk fabrics |
-
2011
- 2011-07-28 CN CN2011102128241A patent/CN102367634A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080971A (en) * | 1993-07-19 | 1994-01-19 | 李福涛 | A kind of antibiotic, fabric and its production and application of sterilizing |
| CN101244185A (en) * | 2008-03-11 | 2008-08-20 | 王兆玉 | Chinese medicinal herb composition for treating skin disease and cloth containing the combination |
| CN101338518A (en) * | 2008-08-19 | 2009-01-07 | 苏州大学 | One-bath multifunctional finishing method of natural extracts on silk fabrics |
Non-Patent Citations (6)
| Title |
|---|
| 《印染助剂》 20080420 王俊华等 "一种水性芯材微胶囊化新方法的探讨" 16-18 第25卷, 第4期 * |
| 《山东纺织科技》 20101020 丁帅 "天然抗菌剂及其应用" 50-53 , 第5期 * |
| 《针织工业》 20060628 白亚琴等 "新型医疗保健织物的开发" 49-54 , 第6期 * |
| 丁帅: ""天然抗菌剂及其应用"", 《山东纺织科技》 * |
| 王俊华等: ""一种水性芯材微胶囊化新方法的探讨"", 《印染助剂》 * |
| 白亚琴等: ""新型医疗保健织物的开发"", 《针织工业》 * |
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Application publication date: 20120307 |