CN104593965A - Carbon fiber and graphite fiber sizing method - Google Patents
Carbon fiber and graphite fiber sizing method Download PDFInfo
- Publication number
- CN104593965A CN104593965A CN201510046155.3A CN201510046155A CN104593965A CN 104593965 A CN104593965 A CN 104593965A CN 201510046155 A CN201510046155 A CN 201510046155A CN 104593965 A CN104593965 A CN 104593965A
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- China
- Prior art keywords
- carbon fiber
- sizing
- graphite fibre
- starching
- graphite
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/02—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fibres, slivers or rovings
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration, distillation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration, distillation
- D06B23/22—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration, distillation for heating
Abstract
The invention relates to a carbon fiber and graphite fiber sizing method. Particularly, the traditional sizing main body function composition, which is taken as a dependent unit, and the traditional drying main body function composition are combined and jointly participate in the process design and equipment arrangement of carbon fibers and graphite fibers. According to the method, the content of a carbon fiber and graphite fiber sizing agent is controlled to 0.4-1.2% (by mass) by a horizontal (or vertical) drying-sizing-drying combined unit through combining sizing manners and controlling the flow rate of the sizing agent, multipoint sizing parts and a partitioned drying process. The method has the advantages that carbon fiber and graphite fiber manufacturing processes are simplified, a drying-sizing-drying process design is optimized, the change of temperature of carbon fiber and graphite fiber tows is stabilized, the consumption of energy and the sizing agent can be lowered, and a high-efficiency, energy-saving and no-waste-discharge clean production mode is met. The method is applicable to production processes of polyacrylonitrile-based, asphalt-based and adhesive-based carbon and graphite fibers of full-size series.
Description
Technical field
The present invention relates to carbon fiber clearer production technology field, be specifically related to the method for sizing of a kind of carbon fiber and graphite fibre.
Background technology
Carbon fiber refers to through carbonization and graphitization processing, and carbon content is higher than the inorganic polymer fiber of 90%, wherein phosphorus content higher than 99% title graphite fibre.Originate according to its precursor, mainly can be divided into polyacrylonitrile-radical, asphaltic base and viscose base carbon fibre and graphite fibre.Due to carbon fiber and graphite fibre excellent performance, have that density is little, quality be light, TENSILE STRENGTH and stretch modulus is high, thermal coefficient of expansion is little, the advantage such as wear-resistant, corrosion-resistant, at numerous areas such as current Aero-Space, automobile making, new forms of energy, infrastructure, marine oil field, robot and style equipment, be widely used [He Fu writes. carbon fiber and graphite fibre [M]. and Beijing: Chemical Industry Press, 2010.14-19].
In order to make carbon fiber and graphite fibre form be protected well, or carbon fiber being better combined with other composites, in the manufacturing process of carbon fiber and graphite fibre, usually can carrying out starching process to carbon fiber and graphite fibre.Namely at its Surface coating one deck sizing agent; not only have and reduce fibre pick fracture of wire, make fiber bunchy, improve manufacturability and play the effect of protection carbon fiber and graphite fibre, be also improved carbon fiber and graphite fibre and the physicochemical interaction of the concurrent life of other matrices of composite material interracial contact.Starching is the operation important together with in graphite fibre production process of carbon fiber, carbon fiber and graphite fibre sizing agent content (attachment quality) are the important indicators evaluating sizing technique simultaneously, usually control [CN 102735571A between 0.4%-1.2% (mass fraction); He Fu writes. carbon fiber and graphite fibre [M]. and Beijing: Chemical Industry Press, 2010.319-344].This not only depends on sizing agent kind and carbon fiber and graphite fibre description, also associates starching form and starching position.
At present, carbon fiber and graphite fibre starching form have the different choice such as slurry processes on cylinder, cylinder infusion process and spraying spray process, after starching position is then fixed on washing-drying usually.Similar this starching main functionality unification sizing technique index, starching mode, starching position, slashing operation operation and quetsch equipment etc. being come planning process and arrangement equipment as the unit of an independence (independent, single), both the improvement of carbon fiber and graphite fibre manufacturing cost had been limited, also cause a large amount of consumption that the energy is unnecessary, more constrain the research and development of carbon fiber and graphite fibre clearer production technology.
In sum, this area needs to research and develop a kind of method for sizing of novel rationally and efficiently carbon fiber and graphite fibre.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of technical scheme by starching main functionality Composite to realize.Be exactly specifically traditional starching main functionality formation is formed as dependent unit and traditional drying main functionality combine, common flow scheme design and the equipment arrangement participating in carbon fiber and graphite fibre.
The present invention is achieved through the following technical solutions:
The method for sizing of a kind of carbon fiber and graphite fibre, it is characterized in that, comprise a kind of carbon fiber and graphite fibre horizontal (or vertical) drying-starching-dry Unit erriger, described Unit erriger be divided into dry section 1., starching district and dry section 2., form by heating roller and starching position point and shower nozzle thereof, combined by starching mode, starching flow-control, multiple spot starching position, and drying process subregion, control carbon fiber and graphite fibre sizing agent content are between 0.4%-1.2% (mass fraction).
2. 1. described Unit erriger dry section be made up of 3-7 heating roller respectively with dry section; Starching district is sprayed by 2-6 heating roller and 2-10 or spray starching position point forms.
Described dry section 1., starching district and dry section 2. heat roller and carbon fiber and graphite fibre tow in longitudinally, up and down, misplace, equidistant arrangement; Heating roller surface treatment temperature is 105-250 DEG C, and temperature control system adopts independent discrete setting or the unified setting of subregion.
2-10, described starching district starching position point and carbon fiber and graphite fibre tow be longitudinal, upper and lower, positive and negative, misplace, equidistant or Unequal distance arranges; Each starching position point, the shower nozzle being horizontal equidistant arrangement with carbon fiber and graphite fibre tow by 2-8 forms; Sizing agent allotment concentration (mass fraction) is 2%-15%, controls sizing agent spraying or spray flow 50-150g/min by measuring pump.
If described Unit erriger because of enter dry section carbon fiber 1. and graphite fibre dry, 1. dry section can simplify and omit.
Compared with prior art, the present invention simplifies the flow process of carbon fiber and graphite fibre, optimizing drying-starching-drying process design, Stable Carbon fiber and the change of graphite fibre strand temperature; Control sizing agent technique flow by measuring pump, realize the minimizing of the energy and sizing agent consumption, meet energy-efficient and cleaner production mode that is non-waste-emission.The method adapts to the production process of the polyacrylonitrile-radical of full fiber number series, asphaltic base and viscose base carbon fibre and graphite fibre.
Accompanying drawing explanation
Legend is carbon fiber and graphite fibre combined drying-starching-dry Unit erriger schematic diagram.
Wherein 1, heating roller; 2, sizing agent spraying or spray position point; 3, carbon fiber and graphite fibre; 4, sizing agent measuring pump; 5, sizing agent connecting line; I, dry section are 1.; II, starching district; III, dry section are 2..
Detailed description of the invention
Embodiment 1-3
A method for sizing for carbon fiber and graphite fibre, the method comprises a kind of carbon fiber and graphite fibre combined drying-starching-dry Unit erriger:
(1) Unit erriger be divided into dry section 1., starching district and dry section 2.; Ability manufactured by unit interval carbon fiber and graphite fibre, comprises
Embodiment 1:2.0kg/min;
Embodiment 2:1.5kg/min;
Embodiment 3:1.0kg/min.
(2) dry section 1. parameter, comprises
Embodiment 1: warm-up mill number 7, technological temperature 150 DEG C;
Embodiment 2: warm-up mill number 5, technological temperature 165 DEG C;
Embodiment 3: warm-up mill number 5, technological temperature 180 DEG C.
(3) starching district parameter, comprises
Embodiment 1: warm-up mill number 5, technological temperature 135 DEG C, starching position point 5, starching position point shower nozzle number 8, sizing agent allotment concentration (mass fraction) 4.5%, starching position point measuring pump flow 90g/min;
Embodiment 2: warm-up mill number 3, technological temperature 150 DEG C, starching position point 3, starching position point shower nozzle number 5, sizing agent allotment concentration (mass fraction) 6.0%, starching position point measuring pump flow 115g/min;
Embodiment 3: warm-up mill number 3, technological temperature 145 DEG C, starching position point 3, starching position point shower nozzle number 6, sizing agent allotment concentration (mass fraction) 8.0%, starching position point measuring pump flow 85g/min.
(4) dry section 2. parameter, comprises
Embodiment 1: warm-up mill number 5, technological temperature 135 DEG C;
Embodiment 2: warm-up mill number 3, technological temperature 150 DEG C;
Embodiment 3: warm-up mill number 5, technological temperature 145 DEG C.
(5) spraying or spray flow efficiency, embodiment 1-3 is 60%.
(6) according to sizing agent content S (%) formula:
Calculate and determine the sizing agent content of carbon fiber and graphite fibre, comprise
Embodiment 1:0.61%;
Embodiment 2:0.82%;
Embodiment 3:1.21%.
Table 1
Claims (9)
1. the method for sizing of a carbon fiber and graphite fibre, it is characterized in that, comprise a kind of carbon fiber and graphite fibre horizontal (or vertical) drying-starching-dry Unit erriger, described Unit erriger be divided into dry section 1., starching district and dry section 2., form by heating roller and starching position point and shower nozzle thereof, combined by starching mode, starching flow-control, multiple spot starching position, and drying process subregion, control carbon fiber and graphite fibre sizing agent content are between 0.4%-1.2% (mass fraction).
2. one according to claim 1 measures carbon fiber and graphite fibre method for sizing, and it is characterized in that, 2. 1. described Unit erriger dry section be made up of 3-7 heating roller respectively with dry section.
3. one according to claim 1 measures carbon fiber and graphite fibre method for sizing, it is characterized in that, described starching district is sprayed by 2-6 heating roller and 2-10 or spray starching position point forms.
4. one according to claim 1 measures carbon fiber and graphite fibre method for sizing, it is characterized in that, described dry section 1., starching district and dry section 2. heat roller and carbon fiber and graphite fibre tow in longitudinally, upper and lower, misplace, equidistant arrangement.
5. one according to claim 1 measures carbon fiber and graphite fibre method for sizing, and it is characterized in that, described heating roller surface treatment temperature is 105-250 DEG C, and temperature control system adopts independent discrete setting or the unified setting of subregion.
6. one according to claim 1 measures carbon fiber and graphite fibre method for sizing, it is characterized in that, 2-10, described starching district starching position point and carbon fiber and graphite fibre tow be longitudinal, upper and lower, positive and negative, misplace, equidistantly or Unequal distance arrange.
7. one according to claim 1 measures carbon fiber and graphite fibre method for sizing, it is characterized in that, described each starching position point, and the shower nozzle being horizontal equidistant arrangement with carbon fiber and graphite fibre tow by 2-8 forms.
8. one according to claim 1 measures carbon fiber and graphite fibre method for sizing, it is characterized in that, described sizing agent allotment concentration (mass fraction) is 2%-15%, controls sizing agent spraying or spray flow 50-150g/min by measuring pump.
9. one according to claim 1 measures carbon fiber and graphite fibre method for sizing, it is characterized in that, if described Unit erriger because of enter dry section carbon fiber 1. and graphite fibre dry, 1. dry section can simplify and omit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046155.3A CN104593965B (en) | 2015-01-29 | 2015-01-29 | A kind of method for sizing of carbon fiber and graphite fibre |
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| CN201510046155.3A CN104593965B (en) | 2015-01-29 | 2015-01-29 | A kind of method for sizing of carbon fiber and graphite fibre |
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| CN104593965A true CN104593965A (en) | 2015-05-06 |
| CN104593965B CN104593965B (en) | 2017-08-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136605A (en) * | 2015-10-09 | 2015-12-09 | 上海市环境科学研究院 | Method for measuring sizing agent content on carbon fiber and graphite fiber |
| CN107385735A (en) * | 2017-08-07 | 2017-11-24 | 中安信科技有限公司 | System for the washing and drying of carbon fiber, starching and dryness finalization |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220666A (en) * | 2011-03-08 | 2011-10-19 | 崔建明 | Numerical control slurry spraying yarn repair lubricator and method thereof |
| KR101160022B1 (en) * | 2010-12-31 | 2012-06-25 | 주식회사 효성 | Sizing unit having an open type tension roller and the sizing treatment method of carbon fiber using the same |
| CN103290527A (en) * | 2013-05-22 | 2013-09-11 | 西安康本材料有限公司 | Method for lowering ash content of polyacrylonitrile-based carbon fiber |
| CN104141230A (en) * | 2014-07-24 | 2014-11-12 | 中复神鹰碳纤维有限责任公司 | Method for reducing friction coefficient of carbon fiber |
-
2015
- 2015-01-29 CN CN201510046155.3A patent/CN104593965B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101160022B1 (en) * | 2010-12-31 | 2012-06-25 | 주식회사 효성 | Sizing unit having an open type tension roller and the sizing treatment method of carbon fiber using the same |
| CN102220666A (en) * | 2011-03-08 | 2011-10-19 | 崔建明 | Numerical control slurry spraying yarn repair lubricator and method thereof |
| CN103290527A (en) * | 2013-05-22 | 2013-09-11 | 西安康本材料有限公司 | Method for lowering ash content of polyacrylonitrile-based carbon fiber |
| CN104141230A (en) * | 2014-07-24 | 2014-11-12 | 中复神鹰碳纤维有限责任公司 | Method for reducing friction coefficient of carbon fiber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136605A (en) * | 2015-10-09 | 2015-12-09 | 上海市环境科学研究院 | Method for measuring sizing agent content on carbon fiber and graphite fiber |
| CN105136605B (en) * | 2015-10-09 | 2018-07-13 | 上海市环境科学研究院 | A method of measuring carbon fiber and graphite fibre starching agent content |
| CN107385735A (en) * | 2017-08-07 | 2017-11-24 | 中安信科技有限公司 | System for the washing and drying of carbon fiber, starching and dryness finalization |
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| CN104593965B (en) | 2017-08-11 |
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