CN103014809B - A kind of surface treatment method of compact spinning negative pressure tube - Google Patents
A kind of surface treatment method of compact spinning negative pressure tube Download PDFInfo
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- CN103014809B CN103014809B CN201210467549.2A CN201210467549A CN103014809B CN 103014809 B CN103014809 B CN 103014809B CN 201210467549 A CN201210467549 A CN 201210467549A CN 103014809 B CN103014809 B CN 103014809B
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- negative pressure
- pressure tube
- compact spinning
- spinning negative
- tank liquor
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- 238000009987 spinning Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004381 surface treatment Methods 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 33
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 33
- 239000003945 anionic surfactant Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 230000005684 electric field Effects 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910001182 Mo alloy Inorganic materials 0.000 claims abstract description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 3
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 3
- 239000011733 molybdenum Substances 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims abstract description 3
- 238000001035 drying Methods 0.000 claims description 8
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 5
- 239000007970 homogeneous dispersion Substances 0.000 claims description 5
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 3
- 230000003245 working effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000013543 active substance Substances 0.000 description 3
- 238000007605 air drying Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Abstract
The invention provides a kind of surface treatment method of compact spinning negative pressure tube, it adopts molybdenum and/or molybdenum alloy as the molded substrate of compact spinning negative pressure tube, described surface treatment method comprises the steps: that anion surfactant mixes with carbon nanotube by (1), forms mixture; (2) described mixture adds deionized water formation tank liquor, and Homogeneous phase mixing; (3) surface is provided with one deck anode oxide film compact spinning negative pressure tube as anode, stereotype, as negative electrode, puts into tank liquor; (4) load electric field to tank liquor, the initial voltage of described electric field is 1 ~ 3V, and maximum current density is 0.15A/dm
2, rate of pressure rise is 2.5 ~ 4.5V/min, boosts to 40 ~ 70V gradually, and constant voltage 30 ~ 60min.By carrying out at the compact spinning negative pressure tube with anode oxide film introducing carbon nanotube in sealing of hole process, thus make the surface of compact spinning negative pressure tube have antistatic property, extend the work-ing life of compact spinning negative pressure tube simultaneously, reduce use cost, reduce grid ring to the wearing and tearing of compact spinning negative pressure tube-surface.
Description
Technical field
The present invention relates to field of metal surface treatment technology, particularly relate to a kind of surface treatment method of compact spinning negative pressure tube.
Background technology
Compact spinning negative pressure tube is a kind of steel tubing in different shapes of inner chamber hollow, and its material is aluminium and/or aluminium alloy substantially.The tube wall of compact spinning negative pressure tube side offers multiple air-flow bothrium, multiple grid ring is enclosed within each air-flow bothrium respectively, its two ends are negative-pressure air-suction mouth, negative pressure source is by negative-pressure air-suction mouth and act on each air-flow bothrium, yarn grid ring of fitting is moved, and makes filoplume by carrying out from twisting with the fingers during grid ring, filoplume is wrapped on yarn, thus significantly reduce yam surface filoplume, make yam surface clear smooth, add the intensity of yarn.
Compact spinning negative pressure tube-surface is provided with one deck anode oxide film, and its chemical composition is aluminium sesquioxide, and aluminium sesquioxide is non-conductive material.When compact spinning negative pressure tube operationally, its multiple grid ring can make high speed pivotable on compact spinning negative pressure tube.Because grid ring is generally be made by nylon or other macromolecular materials, so grid ring meeting and compact spinning negative pressure pipe friction in the process of high speed pivotable, thus produce electrostatic.Yarn filoplume can erect under the effect of electrostatic, thus cannot complete yarn from twisting with the fingers, thus makes yam surface crude, and reduces the intensity of yarn.Meanwhile, Yarn filoplume easily ruptures, thus blocking grid ring.
In the prior art, the general chrome-faced adopted at compact spinning negative pressure tube, in order to eliminate electrostatic.Because the bonding force of chromium coating and Al and Alalloy is not good, so the phenomenon that chromium coating drops can be there is, thus compact spinning negative pressure tube is caused to eliminate the reduction on antistatic property.Thus cause Yarn filoplume to be blocked in grid ring, thus cause refuse yarn, shutdown, even change compact spinning negative pressure tube, add the use cost of user.
In view of this, be necessary to be improved the surface treatment method of compact spinning negative pressure tube, to solve the problem.
Summary of the invention
Goal of the invention of the present invention is the surface treatment method providing a kind of compact spinning negative pressure tube, by this surface treatment method, it can make the surface of compact spinning negative pressure tube have antistatic property, extend the work-ing life of compact spinning negative pressure tube simultaneously, reduce use cost, reduce grid ring to the wearing and tearing of compact spinning negative pressure tube-surface.
For achieving the above object, the invention provides a kind of surface treatment method of compact spinning negative pressure tube, it adopts molybdenum and/or molybdenum alloy as the molded substrate of compact spinning negative pressure tube, and described surface treatment method comprises the steps:
(1) anion surfactant is mixed with carbon nanotube, form mixture;
(2) described mixture adds deionized water formation tank liquor, and Homogeneous phase mixing;
(3) surface is provided with one deck anode oxide film compact spinning negative pressure tube as anode, stereotype, as negative electrode, puts into tank liquor;
(4) load electric field to tank liquor, the initial voltage of described electric field is 1 ~ 3V, and maximum current density is 0.15A/dm
2, rate of pressure rise is 2.5 ~ 4.5V/min, boosts to 40 ~ 70V gradually, and constant voltage 30 ~ 60min.
As a further improvement on the present invention, the anion surfactant in described step (1) comprises: Sodium dodecylbenzene sulfonate.
As a further improvement on the present invention, the anion surfactant in described step (1) and the mass ratio of carbon nanotube are 1:1 ~ 3:1.
As a further improvement on the present invention, in described step (2), in tank liquor, the concentration of carbon nanotube is 1 ~ 5g/L.
As a further improvement on the present invention, the mean length of the carbon nanotube in described step (1) is 5 ~ 20nm.
As a further improvement on the present invention, the mixing condition in described step (2) is: adopt homogeneous dispersion machine under the rotating speed of 5000rpm/min, stir tank liquor at least 30min; Or adopt ultrasonic unit concussion tank liquor at least 2 hours.
As a further improvement on the present invention, also drying treatment is comprised after described step (4).
Compared with prior art, the invention has the beneficial effects as follows: by carrying out at the compact spinning negative pressure tube with anode oxide film introducing carbon nanotube in sealing of hole process, thus make the surface of compact spinning negative pressure tube have antistatic property, extend the work-ing life of compact spinning negative pressure tube simultaneously, reduce use cost, reduce grid ring to the wearing and tearing of compact spinning negative pressure tube-surface.
Embodiment
Below in conjunction with each embodiment, the present invention is described in detail; but should be noted that; these embodiments are not limitation of the present invention; those of ordinary skill in the art are according to these embodiment institute work energy, method or structural equivalent transformations or substitute, and all belong within protection scope of the present invention.
The definition of term used and explanation in specification sheets and claim
Before introducing following embodiment details in detail, first define or set forth some terms.
Term " carbon nanotube " refers to that one has the One-dimensional Quantum material of special construction (radial dimension is nanometer scale, and axial dimension is micron dimension, pipe two ends all seal substantially).It forms the coaxial pipe of several layers to tens of layers primarily of the carbon atom in hexagonal array.Keep fixing distance between layers, about 0.34nm.
Term " surface resistivity " refers to and is parallel to the potential gradient by the sense of current on material surface and the ratio of the electric current on surface unit width, uses ohms.
During embodiment illustrates, symbol g/L=grams per liter, rpm/min=rev/min, A/dm
2=ampere/square decimeter, DEG C=degree Celsius, nm=nanometer.
Embodiment 1
Step (1), mixes anion surfactant with carbon nanotube, forms mixture.Anion surfactant in step (1) and the mass ratio of carbon nanotube are 1:1.In the present embodiment, this tensio-active agent is Sodium dodecylbenzene sulfonate, and the mean length of carbon nanotube is 5nm.
Step (2), adds deionized water in described mixture, forms tank liquor, and mixes.In the present embodiment, in tank liquor, the concentration of carbon nanotube is 5g/L.
Adopt homogeneous dispersion machine (not shown) under the rotating speed of 5000rpm/min, the time of stirring tank liquor is 60 minutes, or the time adopting ultrasonic unit to shake tank liquor under 14KHz ~ 40KHz frequency is 3 hours.Carrying out Homogeneous phase mixing to tank liquor is backbone in order to interrupt carbon nanotube further, it is made to be turned into the carbon nanotube of more short chain, thus be conducive to carbon nanotube and can be fully filled among the micropore (not shown) of the anode oxide film of compact spinning negative pressure tube 100 surface coverage, thus improve sealing of hole effect.
Step (3), compact spinning negative pressure tube surface being had anode oxide film, as anode, using stereotype as negative electrode, puts into tank liquor.The compact spinning negative pressure tube wherein with anode oxide film is electrically connected by the positive pole of wire and direct supply, this compact spinning negative pressure tube with anode oxide film in step (4) as anode.Stereotype is electrically connected by the negative pole of another wire and direct supply, and as negative electrode in step (4).The compact spinning negative pressure tube simultaneously with anode oxide film infiltrates in tank liquor.
Step (4), load electric field to tank liquor, the initial voltage of described electric field is 1V, and maximum current density is 0.15A/dm
2, rate of pressure rise is 2.5V/min, boosts to 40V gradually, and constant voltage 30min.
The compact spinning negative pressure tube 100 with anode oxide film also comprised after step (4) completing sealing pores carries out drying treatment.This drying treatment can adopt the mode such as natural air drying or electrically heated oven dry.
In the present embodiment, the surface resistivity with the compact spinning negative pressure tube of anode oxide film finally obtained is 1 × 10
7ohm.
Embodiment 2
Step (1), mixes anion surfactant with carbon nanotube, forms mixture.Anion surfactant in step (1) and the mass ratio of carbon nanotube are 2:1.In the present embodiment, this tensio-active agent is Sodium dodecylbenzene sulfonate, and the mean length of carbon nanotube is 12nm.
Step (2), adds deionized water in described mixture, forms tank liquor, and mixes.In the present embodiment, in tank liquor, the concentration of carbon nanotube is 3g/L.
Adopt homogeneous dispersion machine (not shown) under the rotating speed of 5000rpm/min, the time of Homogeneous phase mixing tank liquor is 50 minutes, or the time adopting ultrasonic unit to shake tank liquor under 14KHz ~ 40KHz frequency is 3.5 hours.Carrying out Homogeneous phase mixing to tank liquor is backbone in order to interrupt carbon nanotube further, it is made to be turned into the carbon nanotube of more short chain, thus be conducive to carbon nanotube and can be fully filled among the micropore (not shown) of the anode oxide film of compact spinning negative pressure tube surface coverage, thus improve sealing of hole effect.
Step (3), compact spinning negative pressure tube surface being had anode oxide film, as anode, using stereotype as negative electrode, puts into tank liquor, and its embodiment is identical with embodiment 1.
Step (4), load electric field to tank liquor, the initial voltage of described electric field is 2V, and maximum current density is 0.15A/dm
2, rate of pressure rise is 4V/min, boosts to 50V gradually, and constant voltage 50min.
The compact spinning negative pressure tube with anode oxide film also comprised after step (4) completing sealing pores carries out drying treatment.This drying treatment can adopt the mode such as natural air drying or electrically heated oven dry.
In the present embodiment, the surface resistivity of the compact spinning negative pressure tube 100 with anode oxide film finally obtained is 5.2 × 10
8ohm.
Embodiment 3
Step (1), mixes anion surfactant with carbon nanotube, forms mixture.Anion surfactant in step (1) and the mass ratio of carbon nanotube are 3:1.In the present embodiment, this tensio-active agent is Sodium dodecylbenzene sulfonate, and the mean length of carbon nanotube is 20nm.
Step (2), adds deionized water in described mixture, forms tank liquor, and mixes.In the present embodiment, in tank liquor, the concentration of carbon nanotube is 1g/L.
Adopt homogeneous dispersion machine (not shown) under the rotating speed of 5000rpm/min, the time of Homogeneous phase mixing tank liquor is 30 minutes, or the time adopting ultrasonic unit to shake tank liquor under 14KHz ~ 40KHz frequency is 2 hours.Carrying out Homogeneous phase mixing to tank liquor is backbone in order to interrupt carbon nanotube further, it is made to be turned into the carbon nanotube of more short chain, thus be conducive to carbon nanotube and can be fully filled among the micropore (not shown) of the anode oxide film of compact spinning negative pressure tube surface coverage, thus improve sealing of hole effect.
Step (3), compact spinning negative pressure tube surface being had anode oxide film, as anode, using stereotype as negative electrode, puts into tank liquor, and its embodiment is identical with embodiment 1.
Step (4), load electric field to tank liquor, the initial voltage of described electric field is 3V, and maximum current density is 0.15A/dm
2, rate of pressure rise is 4.5V/min, boosts to 70V gradually, and constant voltage 60min.
The compact spinning negative pressure tube 100 with anode oxide film also comprised after step (4) completing sealing pores carries out drying treatment.This drying treatment can adopt the mode such as natural air drying or electrically heated oven dry.
In the present embodiment, the surface resistivity with the compact spinning negative pressure tube of anode oxide film finally obtained is 1 × 10
9ohm.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. a surface treatment method for compact spinning negative pressure tube, it adopts molybdenum and/or molybdenum alloy as the molded substrate of compact spinning negative pressure tube, it is characterized in that comprising the steps:
(1) anion surfactant is mixed with carbon nanotube, form mixture;
(2) described mixture adds deionized water formation tank liquor, and Homogeneous phase mixing;
(3) surface is provided with one deck anode oxide film compact spinning negative pressure tube as anode, stereotype, as negative electrode, puts into tank liquor;
(4) load electric field to tank liquor, the initial voltage of described electric field is 1 ~ 3V, and maximum current density is 0.15A/dm
2, rate of pressure rise is 2.5 ~ 4.5V/min, boosts to 40 ~ 70V gradually, and constant voltage 30 ~ 60min.
2. the surface treatment method of a kind of compact spinning negative pressure tube according to claim 1, it is characterized in that, the anion surfactant in described step (1) comprises: Sodium dodecylbenzene sulfonate.
3. the surface treatment method of compact spinning negative pressure tube according to claim 1, is characterized in that, the anion surfactant in described step (1) and the mass ratio of carbon nanotube are 1:1 ~ 3:1.
4. the surface treatment method of compact spinning negative pressure tube according to claim 1, is characterized in that, in described step (2), in tank liquor, the concentration of carbon nanotube is 1 ~ 5g/L.
5. the surface treatment method of a kind of compact spinning negative pressure tube according to claim 1, it is characterized in that, the mean length of the carbon nanotube in described step (1) is 5 ~ 20nm.
6. the surface treatment method of a kind of compact spinning negative pressure tube according to claim 1, it is characterized in that, the mixing condition in described step (2) is: adopt homogeneous dispersion machine under the rotating speed of 5000rpm/min, stir tank liquor at least 30min; Or adopt
Tank liquor is shaken at least 2 hours with ultrasonic unit.
7. the surface treatment method of a kind of compact spinning negative pressure tube according to claim 1, is characterized in that, also comprises drying treatment after described step (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210467549.2A CN103014809B (en) | 2012-11-19 | 2012-11-19 | A kind of surface treatment method of compact spinning negative pressure tube |
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| CN201210467549.2A CN103014809B (en) | 2012-11-19 | 2012-11-19 | A kind of surface treatment method of compact spinning negative pressure tube |
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| CN103014809B true CN103014809B (en) | 2015-12-02 |
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| JPS59136453A (en) * | 1983-01-26 | 1984-08-06 | Hitachi Ltd | High speed rotor |
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| CN1644763A (en) * | 2005-01-12 | 2005-07-27 | 浙江大学 | Composite coating containing carbon/molybdenum disulfide nanometer tube and its preparation |
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