CN103173899B - The processing method of nanometer bacterial cellulose ultrafine fiber yarn - Google Patents
The processing method of nanometer bacterial cellulose ultrafine fiber yarn Download PDFInfo
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- CN103173899B CN103173899B CN201110441440.7A CN201110441440A CN103173899B CN 103173899 B CN103173899 B CN 103173899B CN 201110441440 A CN201110441440 A CN 201110441440A CN 103173899 B CN103173899 B CN 103173899B
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Abstract
A processing method for nanometer bacterial cellulose ultrafine fiber yarn, for the further investigation of bacteria cellulose fibre cellulosic material provides scientific basis; Take bacterial cellulose wet-coating as matrix material, through puncturing at a high speed, isolating and combing effect, bacterial cellulose wet-coating is become bacteria cellulose fibre; By fine for gained bacteria cellulose through carding machine slivering, after slivering, adopt spinning process to carry out processing and be spun into nanometer bacterial cellulose ultrafine fiber yarn.Further deep processing that the present invention is bacteria cellulose fibre cellulosic material provides feasibility; For the large-scale industrial production realizing bacteria cellulose fibre cellulosic material is laid a good foundation; Theory and practice guarantee is provided for strengthening China's bacteria cellulose industry whole competitiveness worldwide.Bacteria cellulose yarn processing method production environment provided by the invention is clean, avirulence, and the mode of production is simple, economical, and production and processing efficiency is high, and the bacteria cellulose yarn Application Areas produced is extensive, and environmental protection, cost is low, and business efficiency is high.
Description
Technical field
This patent relates to a kind of nanometer bacterial cellulose ultrafine fiber yarn processing method.
Background technology
The fiber of occurring in nature have plant cellulose, alginate fibre element and bacteria cellulose (BacterialCellulose, BC) etc.Bacteria cellulose is the cellulosic general designation of microorganism biological synthesis.Bacteria cellulose is polymerized by pure D-Glucose, very high purity, and undope other polysaccharide.As a kind of new material, bacterial fibers have the character of many uniquenesses, has tempting business potential.The molecular structure of bacteria cellulose (BacterialCellulose is called for short BC) is substantially identical with plant cellulose, but its important architectural feature and character make its practical application meaning be far longer than plant cellulose.It not only has good mechanical property, gas permeability, bioaffinity, biocompatibility, biocompatibility and good biodegradability, but also there is physicochemical property aspects such as having high-purity, high polymerization degree, high-crystallinity, high-moisture and high mechanical stability be all better than plant cellulose, these character are all caused by the specific mesh nano-supermolecule structure that formed in aqueous medium due to it.Therefore the new type natural biological nano High-tech Material of excellent performance is acknowledged as.At present, BC, in a lot of field, is being have commercial applications potentiality very widely in medicine, biomedical engineering, papermaking, food especially.
Bacteria cellulose is a kind of byproduct of food industries, source is wide, at the bottom of price, in the face of the huge market potential of bacteria cellulose fibre industry and the pressure of international competition, in the urgent need to carrying out the industrialization upgrading of bacteria cellulose fibre fermentation technique and deep processed product research, promote bacteria cellulose whose industrial progress fine and technical optimization, by adopting advanced science and technology, the production technology of reform traditional and corresponding process equipment thereof, the technical merit of raising industry, promote bacteria cellulose industry to modernization, industrialization and the development of automation aspect, the Application Areas of developing bacterial cellulose product, increase the added value of plain bacterial cellulose product, make production technology, product quality has a rapid raising, to improve China's bacteria cellulose industry whole competitiveness worldwide.
Along with the intensification that people are familiar with cellulose biosynthesis mechanism, and bacteria cellulose food, medicine, chemical industry, papermaking, high-end audio equipment, filter membrane permeable membrane and spinning etc. in successful Application.Illustrate it as at present in the world the cellulosic material of performance the best carry out furtheing investigate and realizing the rosy prospect of suitability for industrialized production.The commercialization or obtained patent, the sound vibration material of the companies such as such as Sony of some products utilizing bacteria cellulose to prepare for raw material; The biological clothing intestines of the companies such as Weyerhaeuser, Cetus and temporary skin substitute, its commodity are called Cellulon; The textiles reinforcing fiber etc. of Dupont company.But at present, also do not look into about the technology of the production method of bacteria cellulose fibre yarn and the product aspect of bacteria cellulose fibre yarn and Patents and see.Bacteria cellulose food, medicine, chemical industry, papermaking, high-end audio equipment, filter membrane permeable membrane and spinning etc. in application be also only confined to processing, the production of material based on bacteria cellulose film, produce with material based on bacteria cellulose yarn, process various bacteria cellulose material, for bacteria cellulose provides wide space in the application of every field.
And in the various materials produced based on plant cellulose yarn are in medicine, biomedical engineering, papermaking, food etc., there is very extensive use at present, as a kind of new type yarn material, bacteria cellulose yarn, further deep processing for bacteria cellulose fibre cellulosic material is provided theoretical and certificate, there is tempting business potential, thus improve China's bacteria cellulose industry whole competitiveness worldwide.
Summary of the invention
Order of the present invention is to provide a kind of nanometer bacterial cellulose ultrafine fiber yarn processing method.
The processing method of nanometer bacterial cellulose ultrafine fiber yarn of the present invention, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching being placed in a pair diameter is between the gripping roller of 20 ~ 80mm, feeds with the speed of 10mm/min ~ 100m/min;
(2) puncture from the cellulose membrane exported between roller at a high speed through licker-in surface acupuncture, isolate and combing effect, bacterial cellulose wet-coating is become bacteria cellulose fibre;
(3) by bacteria cellulose fibre through filter press press filtration process, prepare the bacteria cellulose superfine fibre that moisture content is 15% ~ 50000%, superfine fibre diameter 10 ~ 500nm, superfine fibre length 200nm ~ 100mm;
(4) by the bacteria cellulose fibre that processes above through carding machine slivering, after slivering, be spun into nanometer bacterial cellulose ultrafine fiber yarn through spinning machine.
Described licker-in comprises central shaft, on central shaft, cover has cylinder, the outer wall of cylinder is provided with needle-like combing acupuncture, diameter of cylinder is 300 ~ 600mm, acupuncture length 0.1 ~ 5cm, acupuncture bar portion diameter is 0.001 ~ 3mm, and acupuncture tip diameter is 1 ~ 100um, needle puncture tip minister degree is 1 ~ 10mm, needling density 2 ~ 1000/cm
2.
Described acupuncture is needle-like, superhard, elastic stainless steel silk or B alloy wire.
Described bacteria cellulose film is the bacterial cellulose wet-coating after bleaching, and bacterial cellulose wet-coating is the former film of bacteria cellulose utilizing acetobacter xylinum to obtain for main bacteria seed, and this former film obtains bacterial cellulose wet-coating after NaOH solution process.
Described a pair grips roller diameter is 20 ~ 3000mm.
Described spinning process is traditional ring spinning spinning process, Air-Jet Spinning spinning process, air spinning yarn technique, and novel spinning technique, wool spinning technology, the schappe system processings etc. such as friction spinning spinning process are wherein a kind of.
The present invention adopts the method for physical thinning bacteria cellulose, bacteria cellulose film is processed into ultra-fine, the fiber condition of overlength, existing spinning process is adopted to process again, through carding machine cards, slivering, after slivering, be spun into nanometer bacterial cellulose ultrafine fiber yarn through spinning machine.Utilize this processing method to process, production process is nontoxic, and processing method cleans, simple economy, and efficiency is high, processes the fiber applications field obtained extensive.
For the further deep processing of bacteria cellulose fibre cellulosic material provides feasibility; For the large-scale industrial production realizing bacteria cellulose fibre cellulosic material is laid a good foundation; Theory and practice guarantee is provided for strengthening China's bacteria cellulose industry whole competitiveness worldwide.Bacteria cellulose yarn processing method production environment provided by the invention is clean, avirulence, and the mode of production is simple, economical, and production and processing efficiency is high, and the bacteria cellulose yarn Application Areas produced is extensive, and environmental protection, cost is low, and business efficiency is high.
Accompanying drawing explanation
Fig. 1 bacteria cellulose superfine fibre processing method schematic flow sheet.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.
embodiment 1
The gripping roller of diameter 25mm is adopted to grip and feed bacterial cellulose wet-coating, be 300mm at diameter, rotating speed is 400 revs/min, be implanted with length 10mm, density is under the licker-in effect of 10/cm2 acupuncture, carry out combing to bacterial cellulose wet-coating, segmentation obtains fibre diameter 450nm, the superfine bacteria cellulose fiber of length 5 ~ 100mm.For convenience of the requirement of next procedure, utilize tuyere fiber spin-off device, got off by the fiber spin-off on licker-in, squeeze into strip device fiber is squeezed slivering through fiber, the bacteria cellulose fibre bar after slivering directly imports in the can coiler that diameter is 400mm.When after circle bar bucket bucketful, circle bar bucket directly delivers to spinning process, is spun into nanometer bacterial cellulose ultrafine fiber yarn through traditional ring spinning spinning process.
embodiment 2
The gripping roller of diameter 25mm is adopted to grip and feed bacterial cellulose wet-coating, be 300mm at diameter, rotating speed is 400 revs/min, be implanted with length 10mm, density is under the licker-in effect of 10/cm2 acupuncture, carry out combing to bacterial cellulose wet-coating, segmentation obtains fibre diameter 400nm, the superfine bacteria cellulose fiber of length 5 ~ 100mm.For convenience of the requirement of next procedure, utilize tuyere fiber spin-off device, got off by the fiber spin-off on licker-in, squeeze into strip device fiber is squeezed slivering through fiber, the bacteria cellulose fibre bar after slivering directly imports in the can coiler that diameter is 400mm.When after circle bar bucket bucketful, circle bar bucket directly delivers to spinning process.Overdraught spinning machine becomes nanometer bacterial cellulose ultrafine fiber yarn.
embodiment 3
The gripping roller of diameter 25mm is adopted to grip and feed bacterial cellulose wet-coating, be 300mm at diameter, rotating speed is 400 revs/min, be implanted with length 10mm, density is under the licker-in effect of 10/cm2 acupuncture, carry out combing to bacterial cellulose wet-coating, segmentation obtains fibre diameter 400nm, the superfine bacteria cellulose fiber of length 5 ~ 100mm.For convenience of the requirement of next procedure, utilize tuyere fiber spin-off device, got off by the fiber spin-off on licker-in, squeeze into strip device fiber is squeezed slivering through fiber, the bacteria cellulose fibre bar after slivering directly imports in the can coiler that diameter is 400mm.When after circle bar bucket bucketful, circle bar bucket directly delivers to spinning process.Nanometer bacterial cellulose ultrafine fiber yarn is spun into through wool spinning mule spinning technique.
embodiment 4
The gripping roller of diameter 25mm is adopted to grip and feed bacterial cellulose wet-coating, be 300mm at diameter, rotating speed is 400 revs/min, be implanted with length 10mm, density is under the licker-in effect of 10/cm2 acupuncture, carry out combing to bacterial cellulose wet-coating, segmentation obtains fibre diameter 400nm, the superfine bacteria cellulose fiber of length 5 ~ 100mm.For convenience of the requirement of next procedure, utilize tuyere fiber spin-off device, got off by the fiber spin-off on licker-in, squeeze into strip device fiber is squeezed slivering through fiber, the bacteria cellulose fibre bar after slivering directly imports in the can coiler that diameter is 400mm.When after circle bar bucket bucketful, circle bar bucket directly delivers to spinning process.Nanometer bacterial cellulose ultrafine fiber yarn is spun into through Air-Jet Spinning spinning process.
Spinning process described in above-described embodiment is traditional ring spinning yarn process, Air-Jet Spinning spinning process, air spinning yarn technique, and novel spinning technique, wool spinning technology, the schappe system processings etc. such as friction spinning spinning process are wherein a kind of.
Claims (3)
1. a processing method for nanometer bacterial cellulose ultrafine fiber yarn, is characterized in that: comprise the steps:
(1) bacterial cellulose wet-coating after bleaching being placed in a pair diameter is between the gripping roller of 20 ~ 3000mm, feeds with the speed of 10mm/min ~ 100m/min;
(2) puncture from the bacterial cellulose wet-coating exported between roller at a high speed through licker-in surface acupuncture, isolate and combing effect, bacterial cellulose wet-coating is become bacteria cellulose fibre;
(3) by bacteria cellulose fibre through filter press press filtration process, prepare the bacteria cellulose superfine fibre that moisture content is 15% ~ 50000%, superfine fibre diameter 10 ~ 500nm, superfine fibre length 5 ~ 100mm;
(4) by the bacteria cellulose superfine fibre that processes above through carding machine cards slivering, after slivering, be spun into nanometer bacterial cellulose ultrafine fiber yarn through spinning machine;
Described licker-in comprises central shaft, on central shaft, cover has cylinder, the outer wall of cylinder is provided with needle-like combing acupuncture, diameter of cylinder is 300 ~ 600mm, acupuncture length 0.1 ~ 5cm, acupuncture bar portion diameter is 0.001 ~ 3mm, and acupuncture tip diameter is 1 ~ 100 μm, needle puncture tip minister degree is 1 ~ 10mm, needling density 2 ~ 1000/cm
2.
2. the processing method of nanometer bacterial cellulose ultrafine fiber yarn according to claim 1, is characterized in that: described acupuncture is needle-like, superhard, elastic stainless steel silk.
3. the processing method of nanometer bacterial cellulose ultrafine fiber yarn according to claim 1, it is characterized in that: bacterial cellulose wet-coating is the former film of bacteria cellulose utilizing acetobacter xylinum to obtain for main bacteria seed, and this former film obtains bacterial cellulose wet-coating after NaOH solution process.
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| CN201110441440.7A CN103173899B (en) | 2011-12-26 | 2011-12-26 | The processing method of nanometer bacterial cellulose ultrafine fiber yarn |
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| CN201110441440.7A CN103173899B (en) | 2011-12-26 | 2011-12-26 | The processing method of nanometer bacterial cellulose ultrafine fiber yarn |
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| CN103173899B true CN103173899B (en) | 2016-02-17 |
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| JP2005194648A (en) * | 2004-01-05 | 2005-07-21 | Teijin Techno Products Ltd | Pulp having bacterial cellulose adhering thereto |
| JP4931116B2 (en) * | 2006-07-27 | 2012-05-16 | 日本電信電話株式会社 | Electrochemical device and method for producing electrode material for electrochemical device |
| CN101328626A (en) * | 2007-06-21 | 2008-12-24 | 中国科学院化学研究所 | Method for continuously preparing regenerated cellulose fibre |
| CN101811689A (en) * | 2009-02-23 | 2010-08-25 | 西南科技大学 | Three-dimensional network carbon nanofiber and preparation method and application thereof |
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