CN104499072A - Nano antibacterial bamboo charcoal fibers - Google Patents
Nano antibacterial bamboo charcoal fibers Download PDFInfo
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- CN104499072A CN104499072A CN201410801143.2A CN201410801143A CN104499072A CN 104499072 A CN104499072 A CN 104499072A CN 201410801143 A CN201410801143 A CN 201410801143A CN 104499072 A CN104499072 A CN 104499072A
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Abstract
The invention discloses nano antibacterial bamboo charcoal fibers which comprise the following components in percentage by mass: 0.0005-0.0020% of nano silver microparticles, 7-18% of bamboo charcoal microparticles and the balance of viscose. The nano antibacterial bamboo charcoal fibers have long-acting antibacterial performance and good weaving performance.
Description
Technical field
The present invention relates to textile fabric field, particularly relate to a kind of nano-antibacterial bamboo-carbon fibre.
Background technology
Along with the raising of people's living standard, the requirement of people to clothes is more and more higher, the pursuit of consumer from is warming comfortable to emphasis, attractive in appearance, future development such as grade good for health, function textile also arises at the historic moment, as far back as the World War I time, people have just started the research to antibacterial fabric, to the modern times, the atypical pneumonia that at the beginning of the enteron aisle acute disease and 2003 that Japan in 1996 is caused by 0-157 pathogenic Escherichia coli in the whole country, China causes due to SARS virus, having to, they all cause huge injury to the healthy of the mankind, and people therefrom have also been obtained inspiration: because of concerning natural microorganism, the skin of the mankind is a kind of well nutrition supply persons, some resident bacterium on people's skin play a part protection skin and endanger from pathogenic bacteria, once the flora imbalance in microorganism, a small amount of pathogenic bacteria in them will amount reproduction, and pass through skin, respiratory tract, alimentary canal and genital tract mucosa work the mischief to human body.Antibacterial fabric, as a possible prevention and the product cutting off disease propagation source, will play vital effect in people's disease prevention and cure.
The exploitation method mainly of current antibacterial fabric is direct anti-bacterial fibre and carries out arrangement processing to antibiotic fabric.Carrying out anti-bacterial finish to fabric is by resin or be fixed on the fiber surface of fabric by suction-operated antiseptic, antibacterial action great majority are because antiseptic is formed from fiber surface stripping, some antiseptic can be combined with the functional group of fiber surface by chemical action, but its antibiotic property is also only present in the top layer of fiber, when after surface fibre comes off its come off after its antibiotic property can not supplement, so its antibacterial persistence is poor.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of nano-antibacterial bamboo-carbon fibre, has long-acting anti-microbial property and good textile performance.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
There is provided a kind of nano-antibacterial bamboo-carbon fibre, be the Silver nanoparticles of 0.005 ~ 0.020 ‰ and the bamboo-charcoal particles of 7 ~ 18% containing mass fraction, surplus is viscose.
In a preferred embodiment of the present invention, the particle diameter of wherein said nano-Ag particles is less than 50nm, and the particle diameter of described bamboo-charcoal particles is less than 1 μm.
In a preferred embodiment of the present invention, described bamboo-charcoal particles is prepared from by following method: the bamboo wood of predry is put into retort, be heated to 450 DEG C ~ 500 DEG C and carry out carbonization reaction, be heated to 1000 DEG C ~ 1300 DEG C again, maintain this temperature to carry out calcining to the bamboo wood after carbonization reaction and obtain bamboo charcoal, after cooling, grind to form nano level bamboo-charcoal particles.
The invention has the beneficial effects as follows: a kind of nano-antibacterial bamboo-carbon fibre of the present invention, be the Silver nanoparticles of 0.005 ~ 0.020 ‰ and the bamboo-charcoal particles of 7 ~ 18% containing mass fraction, surplus is viscose, has long-acting anti-microbial property and good textile performance.
Detailed description of the invention
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Embodiment 1 prepares the nano-antibacterial bamboo-carbon fibre that fiber number is 1.58dtex:
1) preparation of bamboo-charcoal particles:
The bamboo wood of predry is put into retort, be heated to 450 DEG C ~ 500 DEG C and carry out carbonization reaction, then be heated to 1200 DEG C, maintain this temperature and calcining is carried out to the bamboo wood after carbonization reaction obtain bamboo charcoal, grind to form nano level bamboo-charcoal particles after cooling, the particle diameter of bamboo-charcoal particles is less than 1 μm;
2) preparation of cellulose rayon spinning liquid:
Take cellulose pulp as raw material, through dipping, squeezing, pulverize, experienced, yellow and dissolving step obtain cellulose rayon spinning liquid;
3) preparation of the blended viscose glue of nano-antibacterial bamboo charcoal:
The bamboo-charcoal particles obtained by step 1) and Silver nanoparticles join in alkaline solution, the particle diameter of the Nano Silver herein selected is less than 50nm, stir 30min at normal temperatures, then add stabilizing agent wherein, stir 30 minutes under rotating speed 50 turns/min, form preformed solution, the quality of described Silver nanoparticles is 0.008% of added bamboo-charcoal particles quality, the quality of described stabilizing agent is 0.05% of added bamboo-charcoal particles gross mass, and stabilizing agent is good with polyethylene glycol herein; By spinning front injecting systems, preformed solution is accounted for the ratio of 15% of finished fiber weight according to bamboo-charcoal particles wherein, join in blender by measuring pump, cellulose rayon spinning liquid joins in blender by viscose glue flowmeter simultaneously, is prepared into the blended viscose glue of nano-antibacterial bamboo charcoal after mixing;
4) spinning and post processing:
The blended viscose glue of nano-antibacterial bamboo charcoal prepared is introduced coagulating bath spinning moulding after filtering, under the condition of temperature 60 ± 2 DEG C, nano-antibacterial bamboo-carbon fibre is obtained through strand drawing-off and post-processing step, coagulating bath comprises following composition: sulfuric acid 80g/l, zinc sulfate 7.9g/l, sodium sulphate 346.8g/l, and the flow process of strand drawing-off is: drawing-off between shower nozzle drawing-off → dish → plasticizing-bath drawing-off; The process conditions of strand drawing-off are: shower nozzle drawing-off 20%, drawing-off 30% between dish, plasticizing-bath drawing-off 16%; Described post-processing step is refining, oven dry, cut-out, obtained finished product, and what refining adopted is endless tow refining, and what cut off employing is that dry method is cut off.
The fiber number of nano-antibacterial bamboo-carbon fibre obtained is thus 1.58dtex, and dry strength is 2.50 cN/dtex, and wet strength is 1.35cN/dtex, and percentage elongation is 18.8%, and residual sulfur content is 3.8mg/100g.
Embodiment 2 prepares the nano-antibacterial bamboo-carbon fibre that fiber number is 1.64dtex:
1) preparation of bamboo-charcoal particles:
The bamboo wood of predry is put into retort, be heated to 450 DEG C and carry out carbonization reaction, then be heated to 1200 DEG C, maintain this temperature and calcining is carried out to the bamboo wood after carbonization reaction obtain bamboo charcoal, grind to form nano level bamboo-charcoal particles after cooling, the particle diameter of bamboo-charcoal particles is less than 1 μm;
2) preparation of cellulose rayon spinning liquid:
Take cellulose pulp as raw material, through dipping, squeezing, pulverize, experienced, yellow and dissolving step obtain cellulose rayon spinning liquid;
3) preparation of the blended viscose glue of nano-antibacterial bamboo charcoal:
The bamboo-charcoal particles obtained by step 1) and Silver nanoparticles join in alkaline solution, the particle diameter of the Nano Silver herein selected is less than 50nm, stir 30min at normal temperatures, then add stabilizing agent wherein, stir 40 minutes under rotating speed 60 turns/min, form preformed solution, the quality of described Silver nanoparticles is 0.01% of added bamboo-charcoal particles quality, the quality of described stabilizing agent is 0.08% of added bamboo-charcoal particles gross mass, and stabilizing agent is good with polyethylene glycol herein; By spinning front injecting systems, preformed solution is accounted for the ratio of 12% of finished fiber weight according to bamboo-charcoal particles wherein, join in blender by measuring pump, cellulose rayon spinning liquid joins in blender by viscose glue flowmeter simultaneously, is prepared into the blended viscose glue of nano-antibacterial bamboo charcoal after mixing;
4) spinning and post processing:
The blended viscose glue of nano-antibacterial bamboo charcoal prepared is introduced coagulating bath spinning moulding after filtering, under the condition of temperature 60 ± 2 DEG C, nano-antibacterial bamboo-carbon fibre is obtained through strand drawing-off and post-processing step, coagulating bath comprises following composition: sulfuric acid 80g/l, zinc sulfate 7.9g/l, sodium sulphate 346.8g/l, and the flow process of strand drawing-off is: drawing-off between shower nozzle drawing-off → dish → plasticizing-bath drawing-off; The process conditions of strand drawing-off are: shower nozzle drawing-off 15%, drawing-off 35% between dish, plasticizing-bath drawing-off 15%; Described post-processing step is refining, oven dry, cut-out, obtained finished product, and what refining adopted is endless tow refining, and what cut off employing is that dry method is cut off.
The fiber number of nano-antibacterial bamboo-carbon fibre obtained is thus 1.64dtex, and dry strength is 2.20 cN/dtex, and wet strength is 1.13cN/dtex, and percentage elongation is 16.5%, and residual sulfur content is 3.0mg/100g.
Embodiment 3 prepares the nano-antibacterial bamboo-carbon fibre that fiber number is 1.47dtex:
1) preparation of bamboo-charcoal particles:
The bamboo wood of predry is put into retort, be heated to 500 DEG C and carry out carbonization reaction, then be heated to 1200 DEG C, maintain this temperature and calcining is carried out to the bamboo wood after carbonization reaction obtain bamboo charcoal, grind to form nano level bamboo-charcoal particles after cooling, the particle diameter of bamboo-charcoal particles is less than 1 μm;
2) preparation of cellulose rayon spinning liquid:
Take cellulose pulp as raw material, through dipping, squeezing, pulverize, experienced, yellow and dissolving step obtain cellulose rayon spinning liquid;
3) preparation of the blended viscose glue of nano-antibacterial bamboo charcoal:
The bamboo-charcoal particles obtained by step 1) and Silver nanoparticles join in alkaline solution, the particle diameter of the Nano Silver herein selected is less than 50nm, stir 30min at normal temperatures, then add stabilizing agent wherein, stir 30 minutes under rotating speed 55 turns/min, form preformed solution, the quality of described Silver nanoparticles is 0.009% of added bamboo-charcoal particles quality, the quality of described stabilizing agent is 0.1% of added bamboo-charcoal particles gross mass, and stabilizing agent is good with polyethylene glycol herein; By spinning front injecting systems, preformed solution is accounted for the ratio of 10% of finished fiber weight according to bamboo-charcoal particles wherein, join in blender by measuring pump, cellulose rayon spinning liquid joins in blender by viscose glue flowmeter simultaneously, is prepared into the blended viscose glue of nano-antibacterial bamboo charcoal after mixing;
4) spinning and post processing:
The blended viscose glue of nano-antibacterial bamboo charcoal prepared is introduced coagulating bath spinning moulding after filtering, under the condition of temperature 60 ± 2 DEG C, nano-antibacterial bamboo-carbon fibre is obtained through strand drawing-off and post-processing step, coagulating bath comprises following composition: sulfuric acid 90g/l, zinc sulfate 8.9g/l, sodium sulphate 345.0g/l, and the flow process of strand drawing-off is: drawing-off between shower nozzle drawing-off → dish → plasticizing-bath drawing-off; The process conditions of strand drawing-off are: shower nozzle drawing-off 15%, drawing-off 38% between dish, plasticizing-bath drawing-off 17%; Described post-processing step is refining, oven dry, cut-out, obtained finished product, and what refining adopted is endless tow refining, and what cut off employing is that dry method is cut off.
The fiber number of nano-antibacterial bamboo-carbon fibre obtained is thus 1.47dtex, and dry strength is 2.12 cN/dtex, and wet strength is 1.45cN/dtex, and percentage elongation is 20.2%, and residual sulfur content is 4.3mg/100g.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a nano-antibacterial bamboo-carbon fibre, is characterized in that, be the Silver nanoparticles of 0.005 ~ 0.020 ‰ and the bamboo-charcoal particles of 7 ~ 18% containing mass fraction, surplus is viscose.
2. nano-antibacterial bamboo-carbon fibre according to claim 1, is characterized in that, the particle diameter of wherein said nano-Ag particles is less than 50nm, and the particle diameter of described bamboo-charcoal particles is less than 1 μm.
3. nano-antibacterial bamboo-carbon fibre according to claim 1, it is characterized in that, described bamboo-charcoal particles is prepared from by following method: the bamboo wood of predry is put into retort, be heated to 450 DEG C ~ 500 DEG C and carry out carbonization reaction, be heated to 1000 DEG C ~ 1300 DEG C again, maintain this temperature to carry out calcining to the bamboo wood after carbonization reaction and obtain bamboo charcoal, after cooling, grind to form nano level bamboo-charcoal particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410801143.2A CN104499072A (en) | 2014-12-22 | 2014-12-22 | Nano antibacterial bamboo charcoal fibers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410801143.2A CN104499072A (en) | 2014-12-22 | 2014-12-22 | Nano antibacterial bamboo charcoal fibers |
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| CN104499072A true CN104499072A (en) | 2015-04-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110859675A (en) * | 2019-10-21 | 2020-03-06 | 昆山洁宏无纺布制品有限公司 | Broad-spectrum long-acting antibacterial medical operation bag |
| CN112746499A (en) * | 2020-12-23 | 2021-05-04 | 深圳市他她服装有限公司 | Bamboo fiber fabric and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440534A (en) * | 2007-11-21 | 2009-05-27 | 上海中大科技发展有限公司 | Nano bamboo charcoal anti-bacterial fiber and production method thereof |
| CN102817098A (en) * | 2011-06-10 | 2012-12-12 | 上海欧迪芬内衣精品股份有限公司 | Method for manufacturing bamboo charcoal antibacterial fiber |
| CN103074695A (en) * | 2013-01-28 | 2013-05-01 | 淄博奈琦尔生物科技有限公司 | Preparation method of antibacterial and sterile nano bamboo carbon fiber |
-
2014
- 2014-12-22 CN CN201410801143.2A patent/CN104499072A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440534A (en) * | 2007-11-21 | 2009-05-27 | 上海中大科技发展有限公司 | Nano bamboo charcoal anti-bacterial fiber and production method thereof |
| CN102817098A (en) * | 2011-06-10 | 2012-12-12 | 上海欧迪芬内衣精品股份有限公司 | Method for manufacturing bamboo charcoal antibacterial fiber |
| CN103074695A (en) * | 2013-01-28 | 2013-05-01 | 淄博奈琦尔生物科技有限公司 | Preparation method of antibacterial and sterile nano bamboo carbon fiber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110859675A (en) * | 2019-10-21 | 2020-03-06 | 昆山洁宏无纺布制品有限公司 | Broad-spectrum long-acting antibacterial medical operation bag |
| CN112746499A (en) * | 2020-12-23 | 2021-05-04 | 深圳市他她服装有限公司 | Bamboo fiber fabric and preparation method thereof |
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Application publication date: 20150408 |