CN102905455A - Atmospheric pressure plasma system for continuous polymeric modification of fabrics or polymeric films - Google Patents
Atmospheric pressure plasma system for continuous polymeric modification of fabrics or polymeric films Download PDFInfo
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- CN102905455A CN102905455A CN201210394668XA CN201210394668A CN102905455A CN 102905455 A CN102905455 A CN 102905455A CN 201210394668X A CN201210394668X A CN 201210394668XA CN 201210394668 A CN201210394668 A CN 201210394668A CN 102905455 A CN102905455 A CN 102905455A
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Abstract
The invention discloses an atmospheric pressure plasma system for the continuous polymeric modification of fabrics or polymeric films. Two U-shaped tubular metal electrodes, of which openings are upward, are fixedly arranged between inner sides of two vertical plates of an underframe respectively through plug pin holes, the bottom of each metal electrode is provided with a row of small through holes, two rotary electrodes are located just below respective metal electrodes and are interconnected through a belt, one rotary electrode is connected with an electric motor through another belt, one end of a flowmeter is connected with an inert gas source, the other end of the flowmeter is connected with the inlet end of a three-necked flask, in which reactive monomers are contained, the outlet end of the three-necked flask is connected with one ends of the two metal electrodes respectively, the three-necked flask is placed in a water bath pot, and the other ends, which are sealed, of the two metal electrodes and one ends of the two rotary electrodes are electrically connected with a high-voltage power supply. The atmospheric pressure plasma system for the continuous polymeric modification of the fabrics or polymeric films has the advantages that the material surface can simultaneously be subjected to corona treatment and plasma polymeric modification, the cost caused due to the fact that vacuum plasma needs an expensive vacuum system can be effectively reduced, and materials can be treated in a continuous and large-batch manner.
Description
Technical field
The present invention relates to a kind of plasma system, especially relate to a kind of atmospheric pressure plasma system to fabric or thin polymer film continuous polymerization modification.
Background technology
In recent years, low temperature plasma application is very active in the research of the process for treating surface of material, and the material of processing through the method only relates to the surface, does not destroy the character of material self, the material surface characteristic is improved and reaches desirable effect.But most low temperature plasmas produce under vacuum condition, have two major defects when being applied to industrial production: the one, and efficient is low, is difficult to continuous production; The 2nd, need complicated vacuum system, expensive.Thereby the inferior glow plasma treatment technology under the atmospheric pressure can overcome the attention that above shortcoming more and more is subject to researcher because of it.There are many deficiencies in traditional plasma treatment effect, for example the generic media barrier discharge plasma is comprised of the discharge filament that some have higher energy density usually, be difficult to material is carried out uniform treatment, and poor stability, easily be transformed into arc discharge, damaged material, especially organic material.Although Atomospheric pressure glow discharge plasma can be realized even modification to material, processing area is too little, is difficult to be applied in the industrial production.If can design the inferior glow plasma material handling system of a kind of novel large tracts of land normal pressure, just can stablize material, evenly, continuous processing.In addition, this plasma treatment system can be carried out corona pre-treatment and plasma polymerization modification (modification of graft or deposition polymerization modification) to material synchronously, thereby has significantly improved the modified effect of material, makes the industrialization of this technology become possibility.
Summary of the invention
For the problem that exists in the background technology, the object of the present invention is to provide a kind of atmospheric pressure plasma system to fabric or thin polymer film continuous polymerization modification.
For achieving the above object, the technical solution used in the present invention is:
The present invention includes inert gas source, flowmeter, there-necked flask, two U-shaped tubular metal electrodes, four latches, high voltage source, two rotating electrodes, two belts, electro-motor and speed modulators; The opening upwards of two U-shaped tubular metal electrodes, be fixed between two vertical panel inboards of underframe by pin hole respectively, two U-shaped tubular metal electrode bottoms have row's small through hole, two rotating electrodes are separately positioned in the hole of two vertical panel inboards of underframe, two rotating electrodes are parallel be positioned at U-shaped tubular metal electrode separately under, link to each other by a belt between two rotating electrodes, wherein any one rotating electrode links to each other by another root belt with electro-motor on being arranged on underframe, the speed modulator is electrically connected with electro-motor, one end of flowmeter links to each other with inert gas source, the other end of flowmeter is connected with the entrance point of the there-necked flask of the in-built monomer that responds, the port of export of there-necked flask is connected with an end of two U-shaped tubular metal electrodes respectively, there-necked flask is placed in the water-bath, be electrically connected with high voltage source after the other end sealing of two U-shaped tubular metal electrodes, an end of two rotating electrodes is electrically connected with high voltage source.
One row's small through hole of described two U-shaped tubular metal electrode bottoms, the small aperture that begins from U-shaped tubular metal electrode inlet end outwards increases successively.
The beneficial effect that the present invention has is:
The present invention adopts the U-shaped hollow metal pipe of adjustable discharging distance as the novel air piezodielectric discharge-blocking device of electrode, for processing different classes of material, can reach best treatment effect by adjusting discharging distance.And, because U-shaped tubular metal electrode is drilled with micropore, so this device can be realized simultaneously to the corona treatment of material surface and plasma polymerization modification, the micropore that bores on this U-shaped tubular metal electrode begins the aperture from inlet end and increases progressively successively, therefore can make the microplasma torch of each micropore ejection more even, also more even at the thin polymer film that material surface obtains.The present invention can effectively reduce the cost that vacuum plasma needs expensive vacuum system to bring, and can large batch of continuously material be processed, and has created condition for realizing commercial operations.
Description of drawings
Accompanying drawing is the structural representation of apparatus of the present invention.
In the accompanying drawing: 1, inert gas source, 2, flowmeter, 3, the reaction monomers gas handling system, 4, two U-shaped tubular metal electrodes, 5, latch, 6, high voltage source, 7, two rotating electrodes, 8, two belts, 9, electro-motor, 10, the speed modulator.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in drawings, comprise inert gas source 1, flowmeter 2, there-necked flask 3, two U-shaped tubular metal electrodes 4, four latches 5, high voltage source 6, two rotating electrodes 7, two belts 8, electro-motor 9 and speed modulators 10.The opening upwards of two U-shaped tubular metal electrodes 4, be fixed between two vertical panel inboards of underframe by latch 5 holes respectively, two U-shaped tubular metal electrode 4 bottoms have row's small through hole, two rotating electrodes 7 are separately positioned in the hole of two vertical panel inboards of underframe, two rotating electrodes 7 are parallel be positioned at U-shaped tubular metal electrode 4 separately under, link to each other by a belt 8 between two rotating electrodes 7, wherein any one rotating electrode 7 links to each other by another root belt 8 with electro-motor 9 on being arranged on underframe, speed modulator 10 is electrically connected with electro-motor 9, one end of flowmeter 2 links to each other with inert gas source 1, the other end of flowmeter 2 is connected with the entrance point of the there-necked flask 3 of the in-built monomer that responds, the port of export of there-necked flask 3 is connected with an end of two U-shaped tubular metal electrodes 4 respectively, there-necked flask 3 is placed in the water-bath, be electrically connected with high voltage source 6 after the other end sealing of two U-shaped tubular metal electrodes 4, an end of two rotating electrodes 7 is electrically connected with high voltage source 6.
One row's small through hole of described two U-shaped tubular metal electrode 4 bottoms, the small aperture that begins from U-shaped tubular metal electrode 4 inlet ends outwards increases successively.Make the microplasma torch of each aperture ejection more even, the thin polymer film that therefore obtains on fabric or thin polymer film surface is also more even.
Described inert gas source 1 is argon, helium or nitrogen.
High voltage source 6 voltages are 5～8 kilovolts.
Two U-shaped tubular metal electrode 4 metal materials.
Two rotating electrode 7 skins are coated with silicon rubber.
Two U-shaped tubular metal electrodes 4 are fixed between two vertical panel inboards by latch, and and the distance between the rotating electrode 7 is adjustable separately.
Pending textile material is positioned between U-shaped tubular metal electrode 4 and the rotating electrode 7, first with the Bas Discharged of inert gas with 4 li at reaction monomers gas handling system 3 and U-shaped tubular metal electrode, unclamp the distance that latch 5 is regulated between U-shaped tubular metal electrode 4 and the rotating electrode 7, tighten latch 5 fixing U-shaped tubular metal electrodes 4, then regulate inert gas flow by flowmeter and make it reach the flow velocity that discharge requires, usually remain on 0.2-0.8 m
3/ hour, and high voltage source 6 is adjusted to six kilovoltages, will between U-shaped tubular metal electrode 4 and rotating electrode 7, form a series of microplasma torch.At first, through plasma surface modification, airborne oxygen G﹠W etc. is ionized to many active particles, and between the processed material physics chemical action occurs, carry out etching and introduce many polar groups at material surface, improved surface energy, be conducive to improve follow-up thin polymer film can with the tight bond strength of modified matrix material.Then, inert gas and reaction monomers enter region of discharge, produce the microplasma torch, form thin polymer film at material surface.In addition, can use as required the variation that different reaction monomers realizes the material surface performance instead.
Control the content that reaction monomers enters U-shaped tubular metal electrode 4 by suspended body flowmeter, reaction monomers is carried out surface modification by the rear material that just can start 9 pairs of continuous operations of electro-motor of plasma torch activation.In addition, can control rate of polymerization by the control gas flow, come controlled discharge intensity by the distance of adjusting between U-shaped tubular metal electrode 4 and the rotating electrode 7, control processing time to material by governing speed modulator 10.
Claims (3)
1. atmospheric pressure plasma system to fabric or thin polymer film continuous polymerization modification is characterized in that: comprise inert gas source, flowmeter, there-necked flask, two U-shaped tubular metal electrodes, four latches, high voltage source, two rotating electrodes, two belts, electro-motor and speed modulators; The opening upwards of two U-shaped tubular metal electrodes, be fixed between two vertical panel inboards of underframe by pin hole respectively, two U-shaped tubular metal electrode bottoms have row's small through hole, two rotating electrodes are separately positioned in the hole of two vertical panel inboards of underframe, two rotating electrodes are parallel be positioned at U-shaped tubular metal electrode separately under, link to each other by a belt between two rotating electrodes, wherein any one rotating electrode links to each other by another root belt with electro-motor on being arranged on underframe, the speed modulator is electrically connected with electro-motor, one end of flowmeter links to each other with inert gas source, the other end of flowmeter is connected with the entrance point of the there-necked flask of the in-built monomer that responds, the port of export of there-necked flask is connected with an end of two U-shaped tubular metal electrodes respectively, there-necked flask is placed in the water-bath, be electrically connected with high voltage source after the other end sealing of two U-shaped tubular metal electrodes, an end of two rotating electrodes is electrically connected with high voltage source.
2. a kind of atmospheric pressure plasma system to fabric or thin polymer film continuous polymerization modification according to claim 1, it is characterized in that: row's small through hole of described two U-shaped tubular metal electrode bottoms, the small aperture that begins from U-shaped tubular metal electrode inlet end outwards increases successively.
3. a kind of atmospheric pressure plasma system to fabric or thin polymer film continuous polymerization modification according to claim 1, it is characterized in that: described inert gas source is argon, helium or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210394668XA CN102905455A (en) | 2012-10-17 | 2012-10-17 | Atmospheric pressure plasma system for continuous polymeric modification of fabrics or polymeric films |
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| CN201210394668XA CN102905455A (en) | 2012-10-17 | 2012-10-17 | Atmospheric pressure plasma system for continuous polymeric modification of fabrics or polymeric films |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042649A (en) * | 2019-05-20 | 2019-07-23 | 江南大学 | A kind of atmospheric pressure plasma equipment and its application arranged for fabric functional |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042649A (en) * | 2019-05-20 | 2019-07-23 | 江南大学 | A kind of atmospheric pressure plasma equipment and its application arranged for fabric functional |
| CN110042649B (en) * | 2019-05-20 | 2020-08-04 | 江南大学 | Atmospheric pressure plasma equipment for fabric function finishing and application thereof |
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Application publication date: 20130130 |