CN103173899A - Nanometer bacterial cellulose ultrafine fiber yarn processing method - Google Patents
Nanometer bacterial cellulose ultrafine fiber yarn processing method Download PDFInfo
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- CN103173899A CN103173899A CN2011104414407A CN201110441440A CN103173899A CN 103173899 A CN103173899 A CN 103173899A CN 2011104414407 A CN2011104414407 A CN 2011104414407A CN 201110441440 A CN201110441440 A CN 201110441440A CN 103173899 A CN103173899 A CN 103173899A
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Abstract
The invention discloses a nanometer bacterial cellulose ultrafine fiber yarn processing method which provides a scientific basis for deep researches of bacterial cellulose materials. A bacterial cellulose wet film is used as a base raw material. After being subjected to high-speed puncture, separation through cutting, and carding, the bacterial cellulose wet film is changed into bacterial cellulose fibers. The obtained bacterial cellulose fibers are changed into strips through a carding machine, and then processed and manufactured into nanometer bacterial cellulose ultrafine fiber yarn in a spinning mode through the spinning technology. The nanometer bacterial cellulose ultrafine fiber yarn processing method provides feasibility for further deep processing of the bacterial cellulose materials, lays a foundation for realizing large-scale industrial production of the bacterial cellulose materials, and provides a theory guarantee and a practice guarantee for enhancing the whole competitiveness of the bacterial cellulose industry in China around the world. The nanometer bacterial cellulose ultrafine fiber yarn processing method is clean in production environment, non-toxic, simple and economical in production mode and high in production and processing efficiency. The produced bacterial cellulose ultrafine fiber yarn is wide in application field, friendly to the environment, low in cost and high in economic efficiency.
Description
Technical field
This patent relates to a kind of nanometer bacteria cellulose superfine fibre yarn processing method.
Background technology
The fiber of occurring in nature have plant cellulose, alginate fibre element and bacteria cellulose (Bacterial Cellulose, BC) etc.Bacteria cellulose is the synthetic cellulosic general designation of microorganism biological.Bacteria cellulose is to be polymerized by pure D-Glucose, based on very high purity, and other polysaccharide undopes.As a kind of new material, bacterial fibers have the character of many uniquenesses, has tempting business potential.Molecular structure and the plant cellulose of bacteria cellulose (Bacterial Cellulose is called for short BC) are basic identical, 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 have high-purity is arranged, the physicochemical property such as high polymerization degree, high-crystallinity, high-moisture and high mechanical stability aspect all is better than plant cellulose, these character are all that the specific mesh nano-supermolecule structure that forms in aqueous medium due to it is caused.Therefore be acknowledged as the new type natural biological nano High-tech Material of excellent performance.At present, BC in a lot of fields, is being to have commercial applications potentiality very widely in medicine, biomedical engineering, papermaking, food especially.
bacteria cellulose is a kind of byproduct of food industries, the 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 research of the industrialization upgrading of bacteria cellulose fibre fermentation technique and deep processed product, promote fine whose industrial progress of bacteria cellulose 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 the bacteria cellulose industry to modernization, industrialization and automation aspect development, the Application Areas of developing bacteria cellulose product, increase plain bacteria cellulose value-added content of product, make production technology, product quality has a rapid raising, to improve China's bacteria cellulose industry whole competitiveness worldwide.
Along with the intensification of people to cellulose biosynthesis mechanism understanding, and bacteria cellulose is in the successful Application of food, medicine, chemical industry, papermaking, high-end audio equipment, filter membrane permeable membrane and the aspect such as spinning.Showed its as at present in the world the cellulosic material of performance the best further investigate and realize the rosy prospect of suitability for industrialized production.Some utilize bacteria cellulose for the product of raw material preparation commercialization or have obtained patent, such as the sound vibration material of the companies such as Sony; The biological clothing intestines of the company such as Weyerhaeuser, Cetus and interim Graftskin, its commodity are called Cellulon; The textiles reinforcing fiber of Dupont company etc.But at present, the technology of the product aspect of the production method of relevant bacteria cellulose fibre yarn and bacteria cellulose fibre yarn and Patents are not also looked into and are seen.Bacteria cellulose also only is confined in the application of food, medicine, chemical industry, papermaking, high-end audio equipment, filter membrane permeable membrane and the aspect such as spinning processing, the production that bacteria cellulose film is basic material, be that various bacteria cellulose materials are produced, processed to basic material with the bacteria cellulose yarn, provide wide space for bacteria cellulose in the application of every field.
And be that the various materials that the basis produces have very extensive use in the aspects such as medicine, biomedical engineering, papermaking, food with the plant cellulose yarn at present, as a kind of new type yarn material, the bacteria cellulose yarn, will be for the further deep processing of bacteria cellulose fibre cellulosic material theory and certificate be provided, have tempting business potential, thereby improved China's bacteria cellulose industry whole competitiveness worldwide.
Summary of the invention
Order of the present invention is to provide a kind of nanometer bacteria cellulose superfine fibre yarn processing method.
The processing method of nanometer bacteria cellulose superfine fibre yarn of the present invention comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between the gripping roller that a pair of diameter is 20 ~ 80mm, with the speed feeding of 10 mm/min ~ 100m/min;
(2) puncture at a high speed, isolate and combing effect through licker-in surface acupuncture from the cellulose membrane of exporting between roller, bacterial cellulose wet-coating is become bacteria cellulose fibre;
(3) bacteria cellulose fibre is processed through the filter press press filtration, prepared moisture content and be 15% ~ 50000% bacteria cellulose superfine fibre, superfine fibre diameter 10 ~ 500nm, superfine fibre length 200nm ~ 100mm;
(4) bacteria cellulose fibre that processes more than general after slivering, is spun into nanometer bacteria cellulose superfine fibre yarn through spinning machine through the carding machine slivering.
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 section diameter is 0.001 ~ 3mm, acupuncture tip diameter is 1 ~ 100um, needle puncture tip minister's degree is 1 ~ 10mm, 2 ~ 1000/cm of needling density
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 that utilizes acetobacter xylinum to obtain for main bacteria seed, and this former film obtains bacterial cellulose wet-coating after the NaOH solution-treated.
Described a pair of gripping 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, adopt again existing spinning process to process, through carding machine combing, slivering, after slivering, be spun into nanometer bacteria cellulose superfine fibre yarn through spinning machine.Utilize this processing method to process, production process is nontoxic, processing method cleaning, and simple economy, efficient is high, and processing obtains fiber applications field is extensive.
For the further deep processing of bacteria cellulose fibre cellulosic material feasibility is provided; For the large-scale industrial production of realizing the bacteria cellulose fibre cellulosic material is laid a good foundation; Provide the theory and practice guarantee for strengthening China's bacteria cellulose industry whole competitiveness worldwide.Bacteria cellulose yarn processing method production environment cleaning provided by the invention, avirulence, the mode of production is simple, economical, and production and processing efficient is high, and the bacteria cellulose yarn Application Areas of producing is extensive, environmental protection, cost is low, and business efficiency is high.
Description of drawings
Fig. 1 bacteria cellulose superfine fibre processing method schematic flow sheet.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.
Embodiment 1
Adopt the gripping roller of diameter 25mm to grip and feed bacterial cellulose wet-coating, be 300mm at diameter, rotating speed is 400 rev/mins, be implanted with length 10mm, density is under the licker-in effect of 10/cm2 acupuncture, bacterial cellulose wet-coating is carried out combing, cut apart and obtain fibre diameter 450nm, the superfine bacteria cellulose fiber of length 5 ~ 100mm.Requirement for convenience of next procedure utilizes tuyere fiber spin-off device, and the fiber spin-off on licker-in is got off, and squeezes into strip device through fiber fiber is squeezed slivering, and the bacteria cellulose fibre bar after slivering directly imports in the can coiler that diameter is 400mm.After circle bar bucket bucketful, circle bar bucket is directly delivered to spinning process, is spun into nanometer bacteria cellulose superfine fibre yarn through the traditional ring spinning spinning process.
Embodiment 2
Adopt the gripping roller of diameter 25mm to grip and feed bacterial cellulose wet-coating, be 300mm at diameter, rotating speed is 400 rev/mins, be implanted with length 10mm, density is under the licker-in effect of 10/cm2 acupuncture, bacterial cellulose wet-coating is carried out combing, cut apart and obtain fibre diameter 400nm, the superfine bacteria cellulose fiber of length 5 ~ 100mm.Requirement for convenience of next procedure utilizes tuyere fiber spin-off device, and the fiber spin-off on licker-in is got off, and squeezes into strip device through fiber fiber is squeezed slivering, and the bacteria cellulose fibre bar after slivering directly imports in the can coiler that diameter is 400mm.After circle bar bucket bucketful, circle bar bucket is directly delivered to spinning process.The overdraught spinning machine becomes nanometer bacteria cellulose superfine fibre yarn.
Embodiment 3
Adopt the gripping roller of diameter 25mm to grip and feed bacterial cellulose wet-coating, be 300mm at diameter, rotating speed is 400 rev/mins, be implanted with length 10mm, density is under the licker-in effect of 10/cm2 acupuncture, bacterial cellulose wet-coating is carried out combing, cut apart and obtain fibre diameter 400nm, the superfine bacteria cellulose fiber of length 5 ~ 100mm.Requirement for convenience of next procedure utilizes tuyere fiber spin-off device, and the fiber spin-off on licker-in is got off, and squeezes into strip device through fiber fiber is squeezed slivering, and the bacteria cellulose fibre bar after slivering directly imports in the can coiler that diameter is 400mm.After circle bar bucket bucketful, circle bar bucket is directly delivered to spinning process.Be spun into nanometer bacteria cellulose superfine fibre yarn through wool spinning mule spinning technique.
Embodiment 4
Adopt the gripping roller of diameter 25mm to grip and feed bacterial cellulose wet-coating, be 300mm at diameter, rotating speed is 400 rev/mins, be implanted with length 10mm, density is under the licker-in effect of 10/cm2 acupuncture, bacterial cellulose wet-coating is carried out combing, cut apart and obtain fibre diameter 400nm, the superfine bacteria cellulose fiber of length 5 ~ 100mm.Requirement for convenience of next procedure utilizes tuyere fiber spin-off device, and the fiber spin-off on licker-in is got off, and squeezes into strip device through fiber fiber is squeezed slivering, and the bacteria cellulose fibre bar after slivering directly imports in the can coiler that diameter is 400mm.After circle bar bucket bucketful, circle bar bucket is directly delivered to spinning process.Be spun into nanometer bacteria cellulose superfine fibre yarn through the 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 (5)
1. the processing method of a nanometer bacteria cellulose superfine fibre yarn, is characterized in that: comprise the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between the gripping roller that a pair of diameter is 20 ~ 3000mm, with the speed feeding of 10 mm/min ~ 100m/min;
(2) puncture at a high speed, isolate and combing effect through licker-in surface acupuncture from the cellulose membrane of exporting between roller, bacterial cellulose wet-coating is become bacteria cellulose fibre;
(3) bacteria cellulose fibre is processed through the filter press press filtration, prepared moisture content and be 15% ~ 50000% bacteria cellulose superfine fibre, superfine fibre diameter 10 ~ 500nm, superfine fibre length 200nm ~ 100mm;
(4) bacteria cellulose fibre that processes more than general after slivering, is spun into nanometer bacteria cellulose superfine fibre yarn through spinning machine through carding machine combing slivering.
2. the processing method of nanometer bacteria cellulose superfine fibre yarn according to claim 1, it is characterized in that: described licker-in comprises central shaft, on central shaft, cover has cylinder, the outer wall of cylinder is provided with needle-like combing acupuncture, and diameter of cylinder is 300 ~ 600mm, acupuncture length 0.1 ~ 5cm, acupuncture bar section diameter is 0.001 ~ 3mm, acupuncture tip diameter is 1 ~ 100um, and needle puncture tip minister's degree is 1 ~ 10mm, 2 ~ 1000/cm of needling density
2
3. the processing method of nanometer bacteria cellulose superfine fibre yarn according to claim 2 is characterized in that: described acupuncture is needle-like, superhard, elastic stainless steel silk or B alloy wire.
4. the processing method of nanometer bacteria cellulose superfine fibre yarn according to claim 1, it is characterized in that: described bacteria cellulose film is the bacterial cellulose wet-coating after bleaching, bacterial cellulose wet-coating is the former film of bacteria cellulose that utilizes acetobacter xylinum to obtain for main bacteria seed, and this former film obtains bacterial cellulose wet-coating after the NaOH solution-treated.
5. the processing method of nanometer bacteria cellulose superfine fibre yarn according to claim 1, it is characterized in that: described a pair of gripping roller diameter is 20 ~ 3000mm.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005194648A (en) * | 2004-01-05 | 2005-07-21 | Teijin Techno Products Ltd | Pulp having bacterial cellulose adhering thereto |
| JP2008034557A (en) * | 2006-07-27 | 2008-02-14 | Kyoto Univ | Electrode material and its production process |
| 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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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005194648A (en) * | 2004-01-05 | 2005-07-21 | Teijin Techno Products Ltd | Pulp having bacterial cellulose adhering thereto |
| JP2008034557A (en) * | 2006-07-27 | 2008-02-14 | Kyoto Univ | Electrode material and its production process |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 刘四新等: "《细菌纤维素》", 30 June 2007, 中国农业大学出版社 * |
| 董纪震等: "《合成纤维生产工艺学（中册）》", 30 September 1984, 纺织工业出版社 * |
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