CN102586832A - Surface treatment method for compact spinning negative pressure tube and compact spinning negative pressure tube - Google Patents
Surface treatment method for compact spinning negative pressure tube and compact spinning negative pressure tube Download PDFInfo
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- CN102586832A CN102586832A CN2012100555881A CN201210055588A CN102586832A CN 102586832 A CN102586832 A CN 102586832A CN 2012100555881 A CN2012100555881 A CN 2012100555881A CN 201210055588 A CN201210055588 A CN 201210055588A CN 102586832 A CN102586832 A CN 102586832A
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- negative pressure
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Abstract
The invention provides a surface treatment method for a compact spinning negative pressure tube. Aluminum and/or an aluminum alloy are used as a forming base material for the compact spinning negative pressure tube. The surface of the compact spinning negative pressure tube is provided with a layer of anode oxide film. The surface treatment method is characterized by comprising the following steps of: (1) mixing an anionic surfactant with a carbon nano tube to form a mixture; (2) adding deionized water into the mixture to form a bath solution, and uniformly mixing; (3) taking the compact spinning negative pressure tube of which the surface is provided with the layer of anode oxide film as an anode, taking a lead plate as a cathode, and putting the anode and the cathode into the bath solution; and (4) loading an electric field into the bath solution, wherein the initial voltage of the electric field is between 0 and 4V, the maximum current density is 0.1A/dm2, the voltage rising rate is between 2 and 5 V/min, the voltage is gradually increased to 40 to 70 V, and the constant voltage is kept for 20 to 40 min. According to the surface treatment method, the surface of the compact spinning negative pressure tube has antistatic property, the service life of the compact spinning negative pressure tube is prolonged, the use cost is reduced, and the abrasion of lattice aprons to the surface of the compact spinning negative pressure tube is reduced.
Description
Technical field
The present invention relates to a kind of surface treatment method of compact spinning negative pressure tube and a kind of compact spinning negative pressure tube of making by this surface treatment method thereof.
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 duraluminum basically.Offer a plurality of air-flow bothriums on the tube wall of compact spinning negative pressure tube one side, a plurality of grid ring are enclosed within respectively on each air-flow bothrium, and its two ends are the negative pressure air suction inlet; Negative pressure source acts on through the negative pressure air suction inlet and on each air-flow bothrium, and yarn applying grid ring is moved, and carries out when making filoplume through grid ring from twisting with the fingers; Filoplume is wrapped on the yarn; Thereby reduce the yam surface filoplume significantly, make yam surface clear smooth, increased the intensity of yarn.
The compact spinning negative pressure tube-surface is provided with one deck anode oxide film, and its chemical ingredients is an aluminium sesquioxide, and aluminium sesquioxide is non-conductive material.When compact spinning negative pressure tube in when work, its a plurality of grid ring can be made pivot at a high speed on compact spinning negative pressure tube.Because grid ring generally is to be made by nylon or other macromolecular materials, thus grid ring meeting and compact spinning negative pressure pipe friction in the process that pivots at a high speed, thus produce static.Yarn filoplume can erect under the electrostatic effect, thereby can't accomplish yarn from sth. made by twisting, thereby makes yam surface crude, and reduces the intensity of yarn.Simultaneously, Yarn filoplume ruptures easily, thereby stops up grid ring.
In the prior art, generally be employed in the chrome-faced of compact spinning negative pressure tube, in order to eliminate static.Because the bonding force of chromium coating and aluminium and duraluminum is not good, thus the phenomenon that chromium coating drops can take place, thus cause compact spinning negative pressure tube in the reduction of eliminating on the antistatic property.Thereby cause Yarn filoplume to be blocked in the grid ring, thereby cause refuse yarn, shutdown even change compact spinning negative pressure tube, increased user's use cost.
In view of this, be necessary the surface treatment method of compact spinning negative pressure tube is improved, to address the above problem.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of surface treatment method of compact spinning negative pressure tube; Through this surface treatment method; It can make the surface of compact spinning negative pressure tube have antistatic property; Prolong the work-ing life of compact spinning negative pressure tube simultaneously, reduce use cost, reduce the wearing and tearing of grid ring the compact spinning negative pressure tube-surface.
Another goal of the invention of the present invention is to provide a kind of compact spinning negative pressure tube, and its surface has antistatic property.
For realizing above-mentioned first goal of the invention; The present invention provides a kind of surface treatment method of compact spinning negative pressure tube; It adopts aluminium and/or the duraluminum moulding base material as compact spinning negative pressure tube, and this compact spinning negative pressure tube-surface is provided with one deck anode oxide film, and said surface treatment method comprises the steps:
(1) AS is mixed with carbon nanotube, form mixture;
(2) said mixture adds deionized water formation tank liquor, and uniform mixing;
(3) surface is provided with one deck anode oxide film compact spinning negative pressure tube as anode, stereotype is put into tank liquor as negative electrode;
(4) tank liquor is loaded electric field, the initial voltage of said electric field is 0 ~ 4V, and maximum current density is 0.1A/dm
2, rate of pressure rise is 2 ~ 5 V/min, boosts to 40 ~ 70V gradually, and constant voltage 20 ~ 40min.
As further improvement of the present invention, the AS in the said step (1) comprises: X 2073.
As further improvement of the present invention, the AS in the said step (1) and the mass ratio of carbon nanotube are 1:1 ~ 3:1.
As further improvement of the present invention, in the said step (2), the concentration of carbon nanotube is 1 ~ 5g/L in the tank liquor.
As further improvement of the present invention, the mean length of the carbon nanotube in the said step (1) is 5 ~ 20nm.
As further improvement of the present invention, the mixing condition in the said step (2) is: adopt the homogeneous dispersion machine under the rotating speed of 5000 rpm/min, stir tank liquor 30min at least; Perhaps adopted ultrasonic unit concussion tank liquor at least 2 hours.
As further improvement of the present invention, said step (4) also comprises drying treatment afterwards.
For solving the problems of the technologies described above, the present invention also provides a kind of compact spinning negative pressure tube that utilizes above method made.
Compared with prior art; The invention has the beneficial effects as follows: through carrying out having introduced carbon nanotube in the sealing of hole process at compact spinning negative pressure tube with anode oxide film; Thereby make the surface of compact spinning negative pressure tube have antistatic property; Prolong the work-ing life of compact spinning negative pressure tube simultaneously, reduce use cost, reduce the wearing and tearing of grid ring the compact spinning negative pressure tube-surface.
Description of drawings
Fig. 1 is the assembly relation synoptic diagram of compact spinning negative pressure tube and grid ring in the embodiment of the invention;
Fig. 2 puts into electrolyzer for the compact spinning negative pressure tube that will have anode oxide film in the embodiment of the invention and carries out the device synoptic diagram that sealing of hole is handled.
Embodiment
Below in conjunction with each embodiment shown in the drawings the present invention is elaborated; But should be noted that; These embodiments are not limitation of the present invention; The function that those of ordinary skills do according to these embodiments, method, or structural equivalent transformation or substitute all belong within protection scope of the present invention.
The definition of used term and explanation in specification sheets and the claim
Before introducing following embodiment details in detail, define or set forth some terms earlier.
Term " carbon nanotube " is meant a kind of One-dimensional Quantum material with special construction (radial dimension is a nanometer scale, and axial dimension is that all seal basically at micron dimension, pipe two ends).It mainly is made up of several layers to tens of layers coaxial pipe the carbon atom that is hexagonal array.Keep the fixed distance, about 0.34nm between layer and the layer.
Term " surface resistivity " is meant the ratio of the electric current on the potential gradient that is parallel to through the sense of current on the material surface and the surface unit width, representes with ohm.
In the embodiment explanation, symbol g/L=grams per liter, rpm/min=rev/min, A/dm
2=ampere/square decimeter, ℃=degree centigrade, the nm=nanometer.
As shown in Figure 1, in a plurality of embodiments of the present invention, compact spinning negative pressure tube 100 is the steel tubing in different shapes of an inner chamber hollow, and its material is and/or duraluminum basically.Offer a plurality of air-flow bothriums 10 on the tube wall 12 of compact spinning negative pressure tube 100 1 sides; Grid ring 20 is enclosed within respectively on each air-flow bothrium 10; Its two ends are negative pressure air suction inlet 11; Negative pressure source (not shown) moves yarn (not shown) applying grid ring 20 through negative pressure air suction inlet 11 and effect on each air-flow bothrium 10, and carries out when making filoplume through grid ring 20 from twisting with the fingers.So-called is exactly that yarn filoplume on every side closely is wrapped on the yarn from twisting with the fingers, and Yarn filoplume is wrapped on the yarn, reduces the yam surface filoplume, makes yam surface clear smooth, increases yarn strength.
Embodiment 1
Step (1) is mixed AS with carbon nanotube, form mixture.The AS in the step (1) and the mass ratio of carbon nanotube are 1:1.In the present embodiment, this tensio-active agent is an X 2073, and the mean length of carbon nanotube is 5nm.
Step (2) adds deionized water in the said mixture, forms tank liquor 50, and mixes.In the present embodiment, the concentration of carbon nanotube is 5g/L in the tank liquor 50.
Adopt homogeneous dispersion machine (not shown) under the rotating speed of 5000 rpm/min, the time of stirring tank liquor 50 is 60 minutes, and the time of perhaps adopting ultrasonic unit under 14KHz ~ 40KHz frequency, to shake tank liquor 50 is 3 hours.It is in order further to interrupt the backbone of carbon nanotube that tank liquor 50 is carried out uniform mixing; It is become be the carbon nanotube of short chain more; Thereby help among the micropore (not shown) of anode oxide film that carbon nanotube can fully be filled into compact spinning negative pressure tube 100 surface coverage, thereby improve the sealing of hole effect.
Step (3), the compact spinning negative pressure tube 100 that the surface is had anode oxide film is as anode, and stereotype 40 is put into tank liquor 50 as negative electrode, and its embodiment ginseng is shown in Figure 2.The compact spinning negative pressure tube 100 that wherein has anode oxide film is through the positive pole electric connection of lead with direct supply 30, this compact spinning negative pressure tube 100 with anode oxide film in step (4) as anode.Stereotype 40 is through the negative pole electric connection of another lead with direct supply 30, and in step (4) as negative electrode.The compact spinning negative pressure tube 100 that has anode oxide film simultaneously soaks in tank liquor 50.
Step (4) loads electric field to tank liquor 50, and the initial voltage of said electric field is 0V, and maximum current density is 0.1A/dm
2, rate of pressure rise is 2 V/min, boosts to 40V gradually, and constant voltage 40min.
Also comprise afterwards that in step (4) compact spinning negative pressure tube with anode oxide film 100 to accomplishing the sealing of hole processing carries out drying treatment.This drying treatment can adopt modes such as natural air drying or electrically heated oven dry.
The surface resistivity of the compact spinning negative pressure tube with anode oxide film 100 that finally obtains in the present embodiment, is 1 * 10
7Ohm.
Embodiment 2
Step (1) is mixed AS with carbon nanotube, form mixture.The AS in the step (1) and the mass ratio of carbon nanotube are 2:1.In the present embodiment, this tensio-active agent is an X 2073, and the mean length of carbon nanotube is 12nm.
Step (2) adds deionized water in the said mixture, forms tank liquor 50, and mixes.In the present embodiment, the concentration of carbon nanotube is 3g/L in the tank liquor 50.
Adopt homogeneous dispersion machine (not shown) under the rotating speed of 5000 rpm/min, the time of uniform mixing tank liquor 50 is 50 minutes, and the time of perhaps adopting ultrasonic unit under 14KHz ~ 40 KHz frequencies, to shake tank liquor 50 is 2.5 hours.It is in order further to interrupt the backbone of carbon nanotube that tank liquor 50 is carried out uniform mixing; It is become be the carbon nanotube of short chain more; Thereby help among the micropore (not shown) of anode oxide film that carbon nanotube can fully be filled into compact spinning negative pressure tube 100 surface coverage, thereby improve the sealing of hole effect.
Step (3), the compact spinning negative pressure tube 100 that the surface is had anode oxide film is as anode, and stereotype 40 is put into tank liquor 50 as negative electrode.Its embodiment ginseng is shown in Figure 2, and its embodiment is identical with embodiment 1.
Step (4) loads electric field to tank liquor 50, and the initial voltage of said electric field is 1V, and maximum current density is 0.1A/dm
2, rate of pressure rise is 3V/min, boosts to 45V gradually, and constant voltage 30min.
Also comprise afterwards that in step (4) compact spinning negative pressure tube with anode oxide film 100 to accomplishing the sealing of hole processing carries out drying treatment.This drying treatment can adopt modes such as natural air drying or electrically heated oven dry.
The surface resistivity of the compact spinning negative pressure tube with anode oxide film 100 that finally obtains in the present embodiment, is 5.2 * 10
8Ohm.
Embodiment 3
Step (1) is mixed AS with carbon nanotube, form mixture.The AS in the step (1) and the mass ratio of carbon nanotube are 3:1.In the present embodiment, this tensio-active agent is an X 2073, and the mean length of carbon nanotube is 20nm.
Step (2) adds deionized water in the said mixture, forms tank liquor 50, and mixes.In the present embodiment, the concentration of carbon nanotube is 1g/L in the tank liquor 50.
Adopt homogeneous dispersion machine (not shown) under the rotating speed of 5000 rpm/min, the time of uniform mixing tank liquor 50 is 30 minutes, and the time of perhaps adopting ultrasonic unit under 14KHz ~ 40 KHz frequencies, to shake tank liquor 50 is 2 hours.It is in order further to interrupt the backbone of carbon nanotube that tank liquor 50 is carried out uniform mixing; It is become be the carbon nanotube of short chain more; Thereby help among the micropore (not shown) of anode oxide film that carbon nanotube can fully be filled into compact spinning negative pressure tube 100 surface coverage, thereby improve the sealing of hole effect.
Step (3), the compact spinning negative pressure tube 100 that the surface is had anode oxide film is as anode, and stereotype 40 is put into tank liquor 50 as negative electrode.Its embodiment ginseng is shown in Figure 2, and its embodiment is identical with embodiment 1.
Step (4) loads electric field to tank liquor 50, and the initial voltage of said electric field is 0 ~ 4V, and maximum current density is 0.1A/dm
2, rate of pressure rise is 5 V/min, boosts to 70V gradually, and constant voltage 20min.
Also comprise afterwards that in step (4) compact spinning negative pressure tube with anode oxide film 100 to accomplishing the sealing of hole processing carries out drying treatment.This drying treatment can adopt modes such as natural air drying or electrically heated oven dry.
The surface resistivity of the compact spinning negative pressure tube with anode oxide film 100 that finally obtains in the present embodiment, is 1 * 10
9Ohm.
The listed a series of detailed description of preceding text only is specifying to feasibility embodiment of the present invention; They are not in order to restriction protection scope of the present invention, allly do not break away from equivalent embodiment or the change that skill of the present invention spirit done and 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 example embodiment, and under the situation that does not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other specific form.Therefore; No matter from which point; All should regard embodiment as exemplary; And be nonrestrictive, scope of the present invention is limited accompanying claims rather than above-mentioned explanation, therefore is intended to the implication of the equivalents that drops on claim and all changes in the scope are included in the present invention.Should any Reference numeral in the claim be regarded as limit related claim.
In addition; Describing according to embodiment though should be appreciated that this specification sheets, is not that each embodiment only comprises an independently technical scheme; This narrating mode of specification sheets only is for clarity sake; Those skilled in the art should make specification sheets as a whole, and the technical scheme among each embodiment also can form other embodiments that it will be appreciated by those skilled in the art that through appropriate combination.
Claims (8)
1. the surface treatment method of a compact spinning negative pressure tube, it adopts aluminium and/or the duraluminum moulding base material as compact spinning negative pressure tube, and this compact spinning negative pressure tube-surface is provided with one deck anode oxide film, it is characterized in that, and said surface treatment method comprises the steps:
(1) AS is mixed with carbon nanotube, form mixture;
(2) said mixture adds deionized water formation tank liquor, and uniform mixing;
(3) surface is provided with one deck anode oxide film compact spinning negative pressure tube as anode, stereotype is put into tank liquor as negative electrode;
(4) tank liquor is loaded electric field, the initial voltage of said electric field is 0 ~ 4V, and maximum current density is 0.1A/dm
2, rate of pressure rise is 2 ~ 5 V/min, boosts to 40 ~ 70V gradually, and constant voltage 20 ~ 40min.
2. according to the surface treatment method of the said a kind of compact spinning negative pressure tube of claim 1, it is characterized in that the AS in the said step (1) comprises: X 2073.
3. the method for sealing of aluminium according to claim 1 and aluminium alloy anode oxide film is characterized in that, the AS in the said step (1) and the mass ratio of carbon nanotube are 1:1 ~ 3:1.
4. the method for sealing of aluminium according to claim 1 and aluminium alloy anode oxide film is characterized in that, in the said step (2), the concentration of carbon nanotube is 1 ~ 5g/L in the tank liquor.
5. according to the surface treatment method of the said a kind of compact spinning negative pressure tube of claim 1, it is characterized in that the mean length of the carbon nanotube in the said step (1) is 5 ~ 20nm.
6. according to the surface treatment method of the said a kind of compact spinning negative pressure tube of claim 1, it is characterized in that the mixing condition in the said step (2) is: adopt the homogeneous dispersion machine under the rotating speed of 5000 rpm/min, stir tank liquor 30min at least; Perhaps adopted ultrasonic unit concussion tank liquor at least 2 hours.
7. according to the surface treatment method of the said a kind of compact spinning negative pressure tube of claim 1, it is characterized in that said step (4) also comprises drying treatment afterwards.
8. compact spinning negative pressure tube, it is characterized in that: said compact spinning negative pressure tube is formed by any described surface treatment method in claim 1 to the claim 7.
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| CN2012100555881A CN102586832A (en) | 2012-03-05 | 2012-03-05 | Surface treatment method for compact spinning negative pressure tube and compact spinning negative pressure tube |
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| CN2012100555881A CN102586832A (en) | 2012-03-05 | 2012-03-05 | Surface treatment method for compact spinning negative pressure tube and compact spinning negative pressure tube |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014809A (en) * | 2012-11-19 | 2013-04-03 | 无锡九条龙汽车设备有限公司 | Surface processing method of compact spinning negative pressure tube |
| CN104131318A (en) * | 2014-08-01 | 2014-11-05 | 昆明理工大学 | Preparation method for carbon nanotube and/or graphene reinforced lead based composite anode |
| WO2023187085A3 (en) * | 2022-03-30 | 2023-11-23 | Maschinenfabrik Rieter Ag | Apparatus for pneumatically condensing a drafted fibre sliver and use of a spring in the apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014809A (en) * | 2012-11-19 | 2013-04-03 | 无锡九条龙汽车设备有限公司 | Surface processing method of compact spinning negative pressure tube |
| CN103014809B (en) * | 2012-11-19 | 2015-12-02 | 江苏高博智融科技有限公司 | A kind of surface treatment method of compact spinning negative pressure tube |
| CN104131318A (en) * | 2014-08-01 | 2014-11-05 | 昆明理工大学 | Preparation method for carbon nanotube and/or graphene reinforced lead based composite anode |
| WO2023187085A3 (en) * | 2022-03-30 | 2023-11-23 | Maschinenfabrik Rieter Ag | Apparatus for pneumatically condensing a drafted fibre sliver and use of a spring in the apparatus |
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