CN104532379A - Preparation method of nano-antibacterial bamboo carbon fiber - Google Patents
Preparation method of nano-antibacterial bamboo carbon fiber Download PDFInfo
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- CN104532379A CN104532379A CN201410801400.2A CN201410801400A CN104532379A CN 104532379 A CN104532379 A CN 104532379A CN 201410801400 A CN201410801400 A CN 201410801400A CN 104532379 A CN104532379 A CN 104532379A
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Abstract
The invention discloses a preparation method of a nano-antibacterial bamboo carbon fiber. The preparation method of the nano-antibacterial bamboo carbon fiber comprises the following steps: preparing bamboo carbon particles, preparing a cellulose viscose spinning solution, preparing nano-antibacterial bamboo carbon blending viscose, spinning and carrying out after-finishing. Through the manner, the preparation method of the nano-antibacterial bamboo carbon fiber can be used for preparing the nano-antibacterial bamboo carbon fiber with a long-acting antibacterial function. According to the preparation method, the process conditions are simple and the process factors are not rigorous.
Description
Technical field
The present invention relates to textile technology field, particularly relate to a kind of preparation method of 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 preparation method of nano-antibacterial bamboo-carbon fibre, and preparation process condition is simple, technical factor is not harsh, and the nano-antibacterial bamboo-carbon fibre made has long-acting antibacterial functions.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of preparation method of nano-antibacterial bamboo-carbon fibre is provided, comprises the following steps:
1) preparation of bamboo-charcoal particles:
The bamboo wood of predry is put into retort, is heated to 450 DEG C ~ 500 DEG C and carries out carbonization reaction, then be heated to 1000 DEG C ~ 1300 DEG C, maintain this temperature and calcining is carried out to the bamboo wood after carbonization reaction obtain bamboo charcoal, after cooling, grind to form nano level bamboo-charcoal particles;
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, stir 30min at normal temperatures, then add stabilizing agent wherein, stir 30 ~ 40 minutes under rotating speed 50 ~ 80 turns/min, form preformed solution, the quality of described Silver nanoparticles is 0.007 ~ 0.01% of added bamboo-charcoal particles quality, and the quality of described stabilizing agent is 0.02 ~ 0.1% of added bamboo-charcoal particles gross mass; By spinning front injecting systems, preformed solution is accounted for the ratio of 7 ~ 18% 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, obtains nano-antibacterial bamboo-carbon fibre through strand drawing-off and post-processing step.
In a preferred embodiment of the present invention, the particle diameter of described 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, the stabilizing agent in step 3) is polyethylene glycol.
In a preferred embodiment of the present invention, coagulating bath comprises following composition: sulfuric acid 50 ~ 110g/l, zinc sulfate 6 ~ 10g/l, sodium sulphate 330 ~ 380g/l.
In a preferred embodiment of the present invention, in step 4), the flow process of described strand drawing-off is: drawing-off between shower nozzle drawing-off → dish → plasticizing-bath drawing-off; The process conditions of described strand drawing-off are: shower nozzle drawing-off 20 ~ 15%, drawing-off 20% ~ 40% between dish, plasticizing-bath drawing-off 5% ~ 20%; Described post-processing step is refining, oven dry, cut-out, obtained finished product.
In a preferred embodiment of the present invention, what in described post-processing step, refining adopted is endless tow refining, and what cut off employing is that dry method is cut off.
The invention has the beneficial effects as follows: the preparation method of a kind of nano-antibacterial bamboo-carbon fibre of the present invention, preparation process condition is simple, technical factor is not harsh, and the nano-antibacterial bamboo-carbon fibre made has long-acting antibacterial functions.
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 (6)
1. a preparation method for nano-antibacterial bamboo-carbon fibre, is characterized in that, comprises the following steps:
1) preparation of bamboo-charcoal particles:
The bamboo wood of predry is put into retort, is heated to 450 DEG C ~ 500 DEG C and carries out carbonization reaction, then be heated to 1000 DEG C ~ 1300 DEG C, maintain this temperature and calcining is carried out to the bamboo wood after carbonization reaction obtain bamboo charcoal, after cooling, grind to form nano level bamboo-charcoal particles;
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, stir 30min at normal temperatures, then add stabilizing agent wherein, stir 30 ~ 40 minutes under rotating speed 50 ~ 80 turns/min, form preformed solution, the quality of described Silver nanoparticles is 0.007 ~ 0.01% of added bamboo-charcoal particles quality, and the quality of described stabilizing agent is 0.02 ~ 0.1% of added bamboo-charcoal particles gross mass; By spinning front injecting systems, preformed solution is accounted for the ratio of 7 ~ 18% 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, obtains nano-antibacterial bamboo-carbon fibre through strand drawing-off and post-processing step.
2. the preparation method of nano-antibacterial bamboo-carbon fibre according to claim 1, is characterized in that, the particle diameter of described nano-Ag particles is less than 50nm, and the particle diameter of described bamboo-charcoal particles is less than 1 μm.
3. the preparation method of nano-antibacterial bamboo-carbon fibre according to claim 1, is characterized in that, the stabilizing agent in step 3) is polyethylene glycol.
4. the preparation method of nano-antibacterial bamboo-carbon fibre according to claim 1, is characterized in that, coagulating bath comprises following composition: sulfuric acid 50 ~ 110g/l, zinc sulfate 6 ~ 10g/l, sodium sulphate 330 ~ 380g/l.
5. the preparation method of nano-antibacterial bamboo-carbon fibre according to claim 1, is characterized in that, in step 4), the flow process of described strand drawing-off is: drawing-off between shower nozzle drawing-off → dish → plasticizing-bath drawing-off; The process conditions of described strand drawing-off are: shower nozzle drawing-off 20 ~ 15%, drawing-off 20% ~ 40% between dish, plasticizing-bath drawing-off 5% ~ 20%; Described post-processing step is refining, oven dry, cut-out, obtained finished product.
6. the preparation method of nano-antibacterial bamboo-carbon fibre according to claim 1, is characterized in that, what in described post-processing step, refining adopted is endless tow refining, and what cut off employing is that dry method is cut off.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105887227A (en) * | 2016-05-25 | 2016-08-24 | 绍兴文理学院 | Preparation method of antibacterial and odor-removing viscose fibers |
| CN110424071A (en) * | 2019-08-02 | 2019-11-08 | 深圳市源兴医药股份有限公司 | Active carbon loading silver fiber and preparation method |
| CN111909534A (en) * | 2020-08-12 | 2020-11-10 | 无锡啄木鸟环保建材有限公司 | Preparation method of sound-insulation noise-reduction light foaming type wood-plastic board |
| CN113089321A (en) * | 2021-04-07 | 2021-07-09 | 罗莱生活科技股份有限公司 | Vinyl monomer graft modified antibacterial fiber, preparation method thereof and application thereof in antibacterial socks |
| CN119162679A (en) * | 2024-09-29 | 2024-12-20 | 四川大学 | A method for preparing bamboo charcoal/regenerated cellulose composite fiber |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887227A (en) * | 2016-05-25 | 2016-08-24 | 绍兴文理学院 | Preparation method of antibacterial and odor-removing viscose fibers |
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| CN110424071B (en) * | 2019-08-02 | 2021-12-10 | 深圳市源兴医药股份有限公司 | Silver-loaded active carbon fiber and preparation method thereof |
| CN111909534A (en) * | 2020-08-12 | 2020-11-10 | 无锡啄木鸟环保建材有限公司 | Preparation method of sound-insulation noise-reduction light foaming type wood-plastic board |
| CN111909534B (en) * | 2020-08-12 | 2022-02-25 | 无锡啄木鸟环保建材有限公司 | Preparation method of sound-insulation noise-reduction light foaming type wood-plastic board |
| CN113089321A (en) * | 2021-04-07 | 2021-07-09 | 罗莱生活科技股份有限公司 | Vinyl monomer graft modified antibacterial fiber, preparation method thereof and application thereof in antibacterial socks |
| CN119162679A (en) * | 2024-09-29 | 2024-12-20 | 四川大学 | A method for preparing bamboo charcoal/regenerated cellulose composite fiber |
| CN119162679B (en) * | 2024-09-29 | 2025-07-11 | 四川大学 | A method for preparing bamboo charcoal/regenerated cellulose composite fiber |
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