CN114892400B - Material surface treatment device and method - Google Patents
Material surface treatment device and method Download PDFInfo
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- CN114892400B CN114892400B CN202111283620.7A CN202111283620A CN114892400B CN 114892400 B CN114892400 B CN 114892400B CN 202111283620 A CN202111283620 A CN 202111283620A CN 114892400 B CN114892400 B CN 114892400B
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- 239000000463 material Substances 0.000 title claims abstract description 271
- 238000004381 surface treatment Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000009832 plasma treatment Methods 0.000 claims abstract description 103
- 239000007791 liquid phase Substances 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 239000000376 reactant Substances 0.000 claims abstract description 46
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims description 57
- 238000007254 oxidation reaction Methods 0.000 claims description 45
- 238000012545 processing Methods 0.000 claims description 31
- 230000001105 regulatory effect Effects 0.000 claims description 30
- 230000007246 mechanism Effects 0.000 claims description 23
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 21
- 239000003292 glue Substances 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 15
- 238000010559 graft polymerization reaction Methods 0.000 claims description 15
- 230000001276 controlling effect Effects 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 125000000524 functional group Chemical group 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 abstract description 29
- 238000012986 modification Methods 0.000 abstract description 29
- 230000000694 effects Effects 0.000 abstract description 24
- 238000005530 etching Methods 0.000 abstract description 16
- 230000007774 longterm Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 8
- 230000003750 conditioning effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010070 extrusion (rubber) Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007385 chemical modification Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/18—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
The invention provides a material surface treatment device and a material surface treatment method. The device comprises: a first guide roller, a second guide roller, a plasma treatment device and a liquid phase grafting treatment device; the first guide roller and the second guide roller are arranged at intervals, the first guide roller conveys the material to be treated, and the second guide roller conveys the treated material to be treated; the plasma treatment device and the liquid phase grafting treatment device are arranged between the first guide roller and the second guide roller at intervals; the plasma treatment device is close to the first guide roller and is used for carrying out plasma treatment on the material to be treated; the liquid phase grafting treatment device is close to the second guide roller and is used for carrying out liquid phase grafting polymerization treatment on the material to be treated after plasma treatment. In the invention, the surface of the material to be treated can be etched after plasma treatment, and polymerization treatment is carried out on the material and the liquid grafting reactant after the etching, so that the modification effect of the etching can be effectively prolonged, the surface performance of the material to be treated is improved, and the long-term modification effect is obtained.
Description
Technical Field
The invention relates to the technical field of material treatment, in particular to a material surface treatment device and a material surface treatment method.
Background
With the development of science and technology, in the modern society, the variety of composite materials is more and more, the application is wider and wider, and the importance is more and more prominent. In particular, the method has important roles in the high and new technical fields such as aerospace, high-speed railways, national defense and military, biomedicine, electronics and electrics and the like. Some high-performance reinforcing materials (such as aramid fiber and carbon fiber) have high chemical inertness on the surface, so that the bonding capability of the high-performance reinforcing materials with a matrix is poor, and therefore the excellent performance of the composite material cannot be fully exerted. In order to fully exert the excellent properties of the composite material, surface treatment is required to improve and enhance the interface bonding condition with the matrix.
At present, the material surface treatment technology mainly comprises two major types of physical modification and chemical modification, wherein the physical modification comprises ultrasonic treatment, plasma treatment, high-energy ray irradiation treatment, ultraviolet irradiation, coating treatment and the like; the chemical modification includes surface etching, grafting modification, supercritical CO2 modification, complexation modification, etc. The plasma treatment technology has the advantages of no influence on the performance of the material body, high treatment efficiency, cleanness, environmental protection and the like, and has wide industrial application prospect. However, the plasma treatment effect is degraded with time, and long-term storage is not possible.
Disclosure of Invention
In view of this, the present invention provides a material surface treatment device, which aims to solve the problem that the plasma treatment effect decays with time in the prior art. The invention also provides a material surface treatment method.
In one aspect, the present invention provides a material surface treatment apparatus comprising: a first guide roller, a second guide roller, a plasma treatment device and a liquid phase grafting treatment device; the first guide roller is used for receiving and conveying the material to be treated, and the second guide roller is used for receiving and conveying the treated material to be treated; the plasma treatment device and the liquid phase grafting treatment device are arranged between the first guide roller and the second guide roller at intervals; the plasma treatment device is close to the first guide roller and is used for carrying out plasma treatment on the material to be treated; the liquid phase grafting treatment device is close to the second guide roller and is used for carrying out liquid phase grafting polymerization treatment on the material to be treated after plasma treatment.
Further, in the above material surface treatment apparatus, the liquid phase grafting treatment apparatus includes: a reactor and a third guide roll; wherein, the reactor is provided with a material inlet and a material outlet for the material to be treated to pass through in a sliding way, and the inside of the reactor is stored with a liquid grafting reactant; the third guide roller is rotatably arranged in the reactor and is arranged below the liquid level of the liquid grafting reactant, and the material to be treated is slidably wound on the third guide roller.
Further, the above material surface treatment apparatus further comprises: a stripping mechanism; the agent removing mechanism is arranged between the liquid phase grafting treatment device and the second guide roller and is used for removing excessive liquid grafting reactants on the material to be treated after the liquid phase grafting polymerization treatment.
Further, in the above material surface treatment apparatus, the stripping mechanism includes: two glue squeezing rollers; the two rubber extrusion rollers are arranged in parallel and provided with a preset gap, and the material to be treated can pass through the space between the two rubber extrusion rollers in a sliding way, and the two rubber extrusion rollers are used for extruding the material to be treated so as to remove excessive liquid grafting reactants on the material to be treated.
Further, in the above material surface treatment apparatus, the stripping mechanism further includes: a drying device; the drying device is arranged between the two rubber extruding rollers and the second guide roller and is used for drying the material to be treated so as to remove excessive liquid grafting reactant on the material to be treated.
Further, in the above material surface treatment apparatus, the plasma treatment apparatus includes: a housing, two electrodes, two barrier dielectric layers, and a first gas regulating mechanism; wherein, the shell is provided with an inlet and an outlet through which the material to be treated can slide; the two electrodes are arranged in the shell in parallel, and the material to be treated can pass through the space between the two electrodes in a sliding way; the opposite surfaces of the two electrodes are provided with a blocking dielectric layer, and the two electrodes are connected with a power supply system which is used for applying current to the two electrodes so as to generate plasma between the two blocking dielectric layers; the shell is also provided with an air supply port and an air exhaust port, the air supply port is connected with a first gas regulating mechanism, and the first gas regulating mechanism is used for conveying regulating gas into the shell so as to enable the shell to reach a preset atmosphere; the exhaust port is used for exhausting hot gas containing ozone generated in the plasma treatment process.
Further, the above material surface treatment apparatus further comprises: an oxidation reaction chamber; the oxidation reaction cavity is arranged between the plasma treatment device and the liquid phase grafting treatment device, an inlet and an outlet are formed in the oxidation reaction cavity, the material to be treated can pass through the inlet and the outlet in a sliding mode, the air conveying port is further formed in the oxidation reaction cavity, the air conveying port is communicated with the air outlet, the oxidation reaction cavity is used for receiving the material to be treated after plasma treatment and hot air containing ozone, so that the material to be treated after plasma treatment and the ozone perform oxidation reaction, and the material to be treated after oxidation reaction is output to the liquid phase grafting treatment device.
Further, the above material surface treatment apparatus further comprises: speed control means and/or tension control means; the speed control device is arranged on the first guide roller or the second guide roller and is used for controlling the conveying speed of the material to be processed; the tension control device is arranged on the first guide roller or the second guide roller and is used for controlling the tension of the material to be processed.
According to the invention, the material to be treated is conveyed between the first guide roller and the second guide roller, the plasma treatment device carries out plasma treatment on the material to be treated, and the liquid phase grafting treatment device carries out liquid phase grafting polymerization treatment on the material to be treated after the plasma treatment, so that the surface of the material to be treated can be etched after the plasma treatment, and the material to be treated is polymerized with a liquid grafting reactant after the etching, the etched modification effect can be effectively prolonged, the surface performance of the material to be treated is improved, the long-term modification effect is obtained, and the problem that the modification effect of the plasma treatment in the prior art is reduced along with the extension of the storage time is solved.
On the other hand, the invention also provides a material surface treatment method, which comprises the following steps: a regulating step of inputting a regulating gas into the plasma processing apparatus so as to enable the plasma processing apparatus to reach a preset atmosphere; a plasma treatment step of conveying a material to be treated into a plasma treatment device for plasma treatment; a grafting treatment step, namely conveying the material to be treated after plasma treatment into a liquid phase grafting treatment device for liquid phase grafting polymerization treatment; and a recovery step, namely recovering the material to be treated after the liquid phase graft polymerization treatment.
Further, the material surface treatment method further comprises, between the plasma treatment step and the grafting treatment step: an oxidation step, wherein the material to be treated after plasma treatment is subjected to oxidation reaction with ozone generated in the plasma treatment process; in the grafting treatment step, the material to be treated after the oxidation reaction is conveyed into a liquid phase grafting treatment device to be subjected to liquid phase grafting polymerization treatment with a liquid grafting reactant.
Further, in the material surface treatment method, the grafting treatment step and the recovery step further include: and a removing step, namely removing excessive liquid grafting reactant on the material to be treated after the liquid phase grafting polymerization treatment.
In the method, the material to be treated is subjected to plasma treatment, so that the surface of the material to be treated can be etched, and then the material to be treated is subjected to polymerization treatment with the liquid grafting reactant, so that the modification effect of etching can be effectively prolonged, the surface property of the material to be treated is improved, and the long-term modification effect is obtained.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a schematic structural diagram of a material surface treatment apparatus according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for surface treatment of a material according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for treating a surface of a material according to an embodiment of the present invention;
fig. 4 is a flowchart of a material surface treatment method according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Material surface treatment apparatus example:
referring to fig. 1, fig. 1 is a schematic structural diagram of a material surface treatment apparatus according to an embodiment of the present invention. As shown, the material surface treatment apparatus includes: a first guide roller (not shown), a second guide roller (not shown), a plasma processing apparatus 1, and a liquid phase grafting processing apparatus 2. The first guiding roller and the second guiding roller are arranged at intervals, the first guiding roller is used for receiving the material 3 to be processed and conveying the material 3 to be processed, specifically, the first guiding roller can receive the material 3 to be processed conveyed by other equipment, and the other equipment can be an unreeling device or other processing devices, so that the embodiment is not limited in any way.
The second guide roller is used for receiving the processed material to be processed 3 and conveying the processed material to be processed 3. Specifically, the treated material 3 is the material 3 to be treated after being subjected to the plasma treatment and the liquid phase graft polymerization treatment. The second guide roller may convey the processed material 3 to other devices, which may be a winding device for storage, or may be other processing devices for further processing, which is not limited in this embodiment.
The plasma processing apparatus 1 and the liquid phase grafting processing apparatus 2 are disposed between the first guide roller and the second guide roller with a certain distance between the plasma processing apparatus 1 and the liquid phase grafting processing apparatus 2, which may be determined according to the actual situation, and this embodiment is not limited in any way.
The plasma treatment device 1 is close to the first guide roller, and the plasma treatment device 1 is used for carrying out plasma treatment on the material 3 to be treated. The liquid phase grafting treatment device 2 is close to the second guide roller, and the liquid phase grafting treatment device 2 is used for carrying out liquid phase grafting polymerization treatment on the material 3 to be treated after plasma treatment.
In this embodiment, the material 3 to be treated is subjected to plasma treatment and then to liquid phase graft polymerization treatment, and the surface of the material 3 to be treated is etched by the plasma, so that the radicals on the surface of the material 3 to be treated react with H, O, N and other elements in the gas in the plasma treatment device 1 to form active centers, thereby facilitating the subsequent modification treatment such as liquid phase graft polymerization, and meanwhile, after the plasma etching, the roughness of the surface of the material 3 to be treated is increased, thereby facilitating the enhancement of the interfacial adhesion of the surface of the material 3 to be treated. After the liquid phase graft polymerization, the active functional groups on the surface of the material to be treated 3 can be preserved for a long time, so that the effective time of the plasma treatment effect is prolonged.
In particular, the material 3 to be treated may be continuous filament fibers, fiber fabrics, prepregs, etc.
It can be seen that in this embodiment, the material 3 to be treated is conveyed between the first guide roller and the second guide roller, the plasma treatment device 1 performs plasma treatment on the material 3 to be treated, and the liquid phase grafting treatment device 2 performs liquid phase grafting polymerization treatment on the material 3 to be treated after the plasma treatment, so that the surface of the material 3 to be treated can be etched after the plasma treatment, and polymerization treatment is performed with the liquid grafting reactant after the etching, so that the modification effect of the etching can be effectively prolonged, the surface property of the material 3 to be treated is improved, the long-term modification effect is obtained, and the problem that the modification effect of the plasma treatment in the prior art is reduced along with the extension of the storage time is solved.
With continued reference to fig. 1, in the above embodiment, the liquid phase grafting treatment apparatus 2 includes: a reactor 21 and a third guide roll 22. Wherein the reactor 21 is provided with a material inlet and a material outlet for slidably passing through the material 3 to be treated after plasma treatment. Since the material to be treated 3 is conveyed between the first guide roller and the second guide roller, the material to be treated 3 is slidingly introduced into the reactor 21 from the material inlet and is slidingly discharged from the material outlet out of the reactor 21.
The reactor 21 stores the liquid grafting reactants therein, a third guide roller 22 is rotatably disposed in the reactor 21, and the third guide roller 22 is disposed below the liquid level of the liquid grafting reactants, and the material 3 to be treated is slidably wound around the third guide roller 22. Specifically, after the material 3 to be treated enters the reactor 21, the material 3 to be treated is slidably wound around the third guide roller 22, and since the third guide roller 22 is placed below the liquid surface of the liquid graft reactant, the material 3 to be treated undergoes liquid phase graft polymerization with the liquid graft reactant while passing through the third guide roller 22.
In practice, both the material inlet and the material outlet are provided at the top of the reactor 21 (upper part shown in fig. 1).
It can be seen that, in this embodiment, the reactor 21 stores the liquid grafting reactant, the material 3 to be treated is slidably passed through the third guide roller 22 after being input from the material inlet, and at this time, the material 3 to be treated and the liquid grafting reactant undergo a sufficient liquid phase graft polymerization reaction, so as to effectively prolong the modification effect of etching and improve the surface performance of the material 3 to be treated.
Referring to fig. 1, in the above embodiment, a tension roller 9 is provided between the plasma processing apparatus 1 and the liquid phase grafting processing apparatus 2, and the material 3 to be processed is slidably wound around the tension roller 9. Specifically, a tension roller 9 is provided between the plasma processing apparatus 1 and the reactor 21, and the material 3 to be processed after plasma processing is conveyed into the reactor 21 through the material inlet of the reactor 21 after passing through the tension roller 9.
Referring to fig. 1, in the above embodiment, the material surface treatment apparatus may further include: and a stripping mechanism 4. Wherein, the agent removing mechanism 4 is arranged between the liquid phase grafting treatment device 2 and the second guide roller, and is used for receiving the material to be treated 3 output from the liquid phase grafting treatment device 2 and removing excessive liquid grafting reactant on the material to be treated 3 after the liquid phase grafting polymerization treatment. Therefore, the liquid grafting reactant can be uniformly distributed on the surface of the treated material 3, the material 3 to be treated can be kept clean, the subsequent treatment of the material 3 to be treated is facilitated, and the phenomena of adhesion and the like in the winding and other processes are avoided.
The stripping mechanism 4 may include: two glue rollers 41. The two glue squeezing rollers 41 are arranged in parallel and are arranged oppositely, a preset gap is reserved between the two glue squeezing rollers 41, the material 3 to be treated can slidably penetrate between the two glue squeezing rollers 41, and the two glue squeezing rollers 41 are used for squeezing the material 3 to be treated to remove excessive liquid grafting reactants on the material 3 to be treated. Specifically, the gap between the two glue squeezing rollers 41 should ensure that the material 3 to be treated can slidably pass through and has a certain squeezing effect on the material 3 to be treated, so that when the material 3 to be treated passes through the two glue squeezing rollers 41, the two glue squeezing rollers 41 squeeze the material 3 to be treated to remove excessive liquid grafting reactants on the material 3 to be treated.
Preferably, the stripping mechanism 4 further comprises: and a drying device 42. Wherein, drying device 42 is placed between two crowded rubber roll 41 and second guide roll, and drying device 42 is used for drying the material 3 of treating in order to get rid of the excessive liquid grafting reactant on the material 3 of treating. In this way, the two rubber extruding rollers 41 extrude the material 3 to be treated to remove a part of excessive liquid grafting reactant, and then dry the material 3 to be treated to accelerate volatilization of the liquid grafting reactant, so as to remove the excessive liquid grafting reactant remained on the material 3 to be treated, so that the material 3 to be treated is clean, and the influence on subsequent treatment is avoided.
Preferably, the drying device 42 is a heating device. Of course, the drying device may be other devices, and this embodiment is not limited in any way.
With continued reference to fig. 1, in the above embodiment, the plasma processing apparatus 1 includes: a housing 11, two electrodes 12, two barrier dielectric layers 13 and a first gas regulating mechanism 14. Wherein the housing 11 is provided with an inlet and an outlet for slidably receiving the material 3 to be treated. Since the material to be treated 3 is conveyed between the first guide roller and the second guide roller, the material to be treated 3 is slidingly introduced into the housing 11 from the inlet and is slidingly discharged from the housing 11 from the outlet.
The two electrodes 12 are arranged in parallel in the housing 11, a certain distance is provided between the two electrodes 12, and the material 3 to be treated is slidably arranged between the two electrodes 12. Specifically, the inlet and the outlet correspond to the gaps between the two electrodes 12, respectively, and the material 3 to be treated can be directly fed from the inlet into the housing 11 from between the two electrodes 12 and then discharged from the outlet into the housing 11.
In particular, referring to fig. 1, the casing 11 may be rectangular, the inlet and the outlet may be formed on two opposite side walls of the casing 11, the two electrodes 12 respectively correspond to two opposite side walls in the casing 11, and the side walls of the two electrodes 12 and the side walls of the inlet and the outlet are four adjacent side walls. That is, with respect to fig. 1, the two electrodes 12 correspond to the upper and lower sidewalls of the case 11, respectively, and the inlet and outlet correspond to the left and right sidewalls of the case 11, respectively, and then the inlet and outlet are disposed at the left and right sides of the two electrodes 12, respectively, and correspond to the gap between the two electrodes 12.
In practice, the distance between the two electrodes 12 may be determined according to practical situations, and this embodiment is not limited in any way.
The opposite surfaces of the two electrodes 12 are provided with a blocking dielectric layer 13, and a certain gap is still reserved between the two blocking dielectric layers 13, so that the material 3 to be treated can be slidably penetrated. Both electrodes 12 are connected to a power supply system for applying a current to both electrodes 12 so that a plasma is generated between the two barrier dielectric layers 13, and the material 3 to be treated is treated by the generated plasma when the material 3 to be treated is passed between the two barrier dielectric layers 13.
In practice, when a high voltage and high frequency pulse current is applied to the two electrodes 12 by the power supply system, a micro-channel discharge is generated between the two barrier dielectric layers 13, so that plasma is generated, and the plasma is used for plasma treatment of the material 3 to be treated, and ozone is generated in the process.
The housing 11 is further provided with an air supply port and an air exhaust port, the air supply port is connected with a first air adjusting mechanism 14, and the first air adjusting mechanism 14 is used for conveying adjusting air into the housing 11 so as to enable the interior of the housing 11 to reach a preset atmosphere. The exhaust port is used to exhaust hot gas containing ozone generated during the plasma treatment process to prevent overheating of the electrode 12.
Specifically, the conditioning gas is first supplied into the housing 11 through the first gas conditioning mechanism 14 and the gas supply port so that the interior of the housing 11 reaches a preset atmosphere. After reaching the preset atmosphere, the first gas regulating mechanism 14 continuously supplies the regulating gas into the housing 11 through the gas supply port, and performs plasma treatment on the material 3 to be treated.
In specific implementation, the preset atmosphere may be determined according to practical situations, which is not limited in this embodiment.
In practice, the exhaust port of the housing 11 may be in communication with an inlet of the exhaust device 15, and the exhaust device 15 is configured to extract the hot gas in the housing 11 and output the hot gas. The hot gas contains ozone. In this way, the cooling effect can be achieved, and overheating of the electrode 12 in the case 11 can be avoided.
Preferably, the first gas regulating mechanism 14 includes: a first air bottle 141, a first air inlet pipe 142 and a first regulating valve 143. The first gas cylinder 141 is used for storing a conditioning gas, which may be nitrogen, argon, or the like. The outlet of the first air bottle 141 is communicated with one end of the first air inlet pipe 142, the other end of the first air inlet pipe 142 is communicated with the air supply port, and the first regulating valve 143 is arranged on the first air inlet pipe 142. The first gas cylinder 141 feeds the regulated gas into the housing 11 through the first gas inlet pipe 142 and the gas supply port, and the opening and closing of the first regulating valve 143 controls whether the first gas inlet pipe 142 feeds the regulated gas into the housing 11. By supplying the conditioning gas into the housing 11 in this way, the air existing in the housing 11 can be exhausted, and the plasma treatment process can be performed in a proper atmosphere.
In particular, the material surface treatment apparatus may further include: and a control device 7. The control device 7 may be electrically connected to the first adjusting valve 143, and the control device 7 is used for controlling the first adjusting valve 143 to be opened to deliver the adjusting gas into the housing 11. Thus, the control device 7 controls the first regulating valve 143 to be opened and closed without manual control, so that the control accuracy and automation are ensured, and the control device is simple and convenient.
In practice, a fourth guiding roller 8 may be provided between the outlet of the housing 11 and the tensioning roller 9 to guide the material 3 to be treated.
It can be seen that in this embodiment, the plasma processing apparatus 1 has a simple structure and is easy to implement.
With continued reference to fig. 1, in the foregoing embodiment, the surface treatment apparatus further includes: oxidation reaction chamber 10. Wherein the oxidation reaction chamber 10 is disposed between the plasma processing apparatus 1 and the liquid phase grafting processing apparatus 2. The oxidation reaction chamber 10 is provided with an inlet and an outlet, and the inlet and the outlet are used for allowing the material 3 to be treated after plasma treatment to pass through in a sliding manner, namely, the material 3 to be treated enters the shell 11 in a sliding manner from the inlet and then is output from the shell 11 in a sliding manner from the outlet.
The oxidation reaction cavity 10 is further provided with a gas transmission port, the gas transmission port is communicated with the gas exhaust port of the shell 11, and the oxidation reaction cavity 10 is used for receiving the material 3 to be treated after plasma treatment and hot gas containing ozone and output by the gas exhaust port, so that the material 3 to be treated after plasma treatment and ozone perform oxidation reaction, and the material 3 to be treated after oxidation reaction is output to the liquid phase grafting treatment device 2. Specifically, the material 3 to be treated is first input into the housing 11 for plasma treatment, and the material 3 to be treated after the plasma treatment is conveyed into the oxidation reaction chamber 10. In addition, hot gas containing ozone generated in the plasma treatment process is also conveyed into the oxidation reaction chamber 10, so that the material 3 to be treated and ozone in the hot gas are subjected to oxidation reaction in the oxidation reaction chamber 10. The material 3 to be treated after the oxidation reaction is conveyed to the liquid phase grafting treatment device 2, and the material 3 to be treated after the oxidation reaction and the liquid phase grafting reactant are subjected to liquid phase grafting polymerization reaction.
In practice, the gas delivery port communicates with the outlet of the exhaust device 15, and the exhaust device 15 extracts the hot gas in the housing 11 and delivers the hot gas into the oxidation reaction chamber 10.
It can be seen that, in this embodiment, the hot gas generated in the plasma treatment process is conveyed into the oxidation reaction cavity 10, and the ozone in the hot gas and the material to be treated 3 after the plasma treatment perform an oxidation reaction, so that the surface of the material to be treated 3 generates oxygen-containing functional groups, which can effectively increase the surface performance of the material to be treated 3, improve the wettability, further facilitate the modification treatment of the subsequent liquid phase graft polymerization, improve the modification treatment effect of the material to be treated 3, and recycle the exhaust gas discharged from the housing 11, improve the energy utilization rate, and simultaneously perform the cooling function on the housing 11, and avoid the overheating of the electrode 12.
In the above embodiments, the surface treatment apparatus may further include: a speed control device 5. Wherein the speed control device 5 is arranged on the first guide roller or the second guide roller, and the speed control device 5 is used for controlling the conveying speed of the material 3 to be processed. In this way, the conveyance speed of the material to be processed 3 can be accurately controlled, ensuring that the material to be processed 3 is stably conveyed.
In practice, the speed control device 5 may also be electrically connected to a control device 7, where the control device 7 is configured to control the speed control device 5 to adjust the conveying speed of the material 3 to be processed.
In particular, the speed control device 5 may comprise: servo motor and displacement sensor. The servo motor is connected with the first guide roller to drive the first guide roller to rotate, and then the material 3 to be processed is conveyed. The displacement sensor detects the conveying speed of the material to be processed 3, the displacement sensor is electrically connected with the control device 7, and the control device 7 controls the driving of the servo motor to the first guide roller according to the detected conveying speed of the material to be processed 3.
In the above embodiments, the surface treatment apparatus may further include: tension control means 6. The tension control device 6 is arranged on the first guide roller or the second guide roller, and the tension control device 6 is used for controlling the tension of the material 3 to be processed. In this way, the tension of the material to be treated 3 can be accurately controlled, ensuring that the material to be treated 3 is stably plasma-treated and liquid-phase graft-polymerized.
In practice, the tension control device 6 may also be electrically connected to a control device 7, where the control device 7 is used to control the tension control device 6 to adjust the tension of the material 3 to be processed.
Preferably, the material surface treatment apparatus further comprises: a speed control device 5 and/or a tension control device 6. Wherein the speed control device 5 is arranged on the first guide roller or the second guide roller and is used for controlling the conveying speed of the material 3 to be processed; the tension control device 6 is provided to the first guide roller or the second guide roller for controlling the tension of the material 3 to be processed.
In particular, the surface treatment device may further include: and displaying an interface. The speed control device 5, the power supply system, the first regulating valve 143 and the tension control device 6 are monitored and controlled by the display interface.
In summary, in this embodiment, the surface of the material to be treated 3 can be etched after the plasma treatment, and the surface of the material to be treated 3 and the liquid grafting reactant are polymerized after the etching, so that the modification effect of the etching can be effectively prolonged, the surface performance of the material to be treated 3 is improved, the long-term modification effect is obtained, the reaction degree in the device is easy to control, the operability is strong, the device can be carried out under normal pressure, and the device is suitable for industrialized popularization.
Material surface treatment method example:
the embodiment also provides a material surface treatment method, which is a treatment method performed by using the material surface treatment device. Referring to fig. 2, the material surface treatment method includes the steps of:
and a regulating step S1, inputting a regulating gas into the plasma processing device so as to enable the plasma processing device to reach a preset atmosphere.
In specific implementation, the preset atmosphere may be determined according to practical situations, which is not limited in this embodiment.
The structure of the plasma processing apparatus may be referred to the description of the above embodiment of the material surface processing apparatus, and this embodiment is not described herein.
Specifically, the control device 7 controls the first regulating valve 143 to be opened, and the first gas cylinder 141 supplies the regulating gas into the housing 11 in the plasma processing apparatus so that the interior of the housing 11 reaches a preset atmosphere.
And a plasma treatment step S2, conveying the material to be treated into a plasma treatment device for plasma treatment.
Specifically, after the plasma treatment device reaches a preset atmosphere, the material 3 to be treated is input into the casing 11 from the inlet of the casing 11, and then slidably passes through between the two electrodes 12, after the two electrodes 12 apply a high-voltage and high-frequency pulse current to the power system, micro-channel discharge is generated between the two barrier dielectric layers 13 between the two electrodes 12, so that plasma is generated, the plasma performs plasma treatment on the material 3 to be treated, and ozone is generated in the process.
And step S3, conveying the material to be treated after plasma treatment to a liquid phase grafting treatment device for liquid phase grafting polymerization treatment.
Specifically, the material 3 to be treated after plasma treatment is fed into the reactor 21 in the liquid phase grafting treatment apparatus 2, and the material 3 to be treated and the liquid grafting reactant undergo liquid phase grafting polymerization.
The structure of the liquid phase grafting treatment device is described in the above embodiment of the surface treatment device, and this embodiment is not described herein.
And S4, recycling the material to be treated after the liquid phase graft polymerization treatment.
Specifically, the material to be treated after the liquid phase graft polymerization treatment is conveyed by a guide roller and then recovered or subjected to the next treatment, which is not limited in any way in this example.
It can be seen that in this embodiment, the material to be treated is subjected to plasma treatment, so that etching can be performed on the surface of the material to be treated, and polymerization treatment is performed with the liquid grafting reactant after etching, so that the modification effect of etching can be effectively prolonged, the surface performance of the material to be treated is improved, and a long-term modification effect is obtained.
Referring to fig. 3, the material surface treatment method includes the steps of:
and a regulating step S1, inputting a regulating gas into the plasma processing device so as to enable the plasma processing device to reach a preset atmosphere.
And a plasma treatment step S2, conveying the material to be treated into a plasma treatment device for plasma treatment.
And S5, carrying out oxidation reaction on the material to be treated after the plasma treatment and ozone generated in the plasma treatment process.
Specifically, the material 3 to be treated is first input into the housing 11 for plasma treatment, and the material 3 to be treated after the plasma treatment is conveyed into the oxidation reaction chamber 10. In addition, hot gas containing ozone generated in the plasma treatment process is also conveyed into the oxidation reaction chamber 10, so that the material 3 to be treated and ozone in the hot gas are subjected to oxidation reaction in the oxidation reaction chamber 10.
The structure of the oxidation reaction chamber may be described with reference to the above embodiment of the surface treatment apparatus, and this embodiment is not described herein.
And step S3, conveying the oxidized material to be treated to a liquid phase grafting treatment device to carry out liquid phase grafting polymerization treatment with the liquid grafting reactant.
Specifically, the material 3 to be treated after the oxidation reaction is conveyed to the liquid phase grafting treatment device 2, and the material 3 to be treated after the oxidation reaction and the liquid phase grafting reactant undergo liquid phase grafting polymerization reaction.
And S4, recycling the material to be treated after the liquid phase graft polymerization treatment.
In specific implementation, the specific embodiments of the conditioning step S1, the plasma treatment step S2, the grafting treatment step S3 and the recovery step S4 may refer to the above description, and will not be described herein.
It can be seen that in this embodiment, the oxidation reaction is performed on ozone in hot gas generated in the plasma treatment process and the material to be treated after the plasma treatment, so that oxygen-containing functional groups are generated on the surface of the material to be treated, which can effectively increase the surface performance of the material to be treated, improve the wettability, further facilitate the modification treatment of the subsequent liquid phase graft polymerization, improve the modification treatment effect of the material to be treated, and recycle the exhaust gas discharged in the plasma treatment process, thereby improving the energy utilization rate.
Referring to fig. 4, the material surface treatment method includes the steps of:
and a regulating step S1, inputting a regulating gas into the plasma processing device so as to enable the plasma processing device to reach a preset atmosphere.
And a plasma treatment step S2, conveying the material to be treated into a plasma treatment device for plasma treatment.
And step S3, conveying the material to be treated after plasma treatment to a liquid phase grafting treatment device for liquid phase grafting polymerization treatment.
And S6, removing excessive liquid grafting reactant on the material to be treated after the liquid phase grafting polymerization treatment.
Specifically, the removal can be performed by two glue squeezing rollers 41 arranged in parallel and opposite to each other, specifically, a preset gap is provided between the two glue squeezing rollers 41, the material 3 to be treated is slidably arranged between the two glue squeezing rollers 41, and the two glue squeezing rollers 41 squeeze the material 3 to be treated to remove excessive liquid grafting reactants on the material 3 to be treated.
Preferably, a drying device 42 is placed between the two glue rolls 41 and the second guiding roll, the drying device 42 drying the material 3 to be treated to remove excess liquid grafting reagent on the material 3 to be treated. In this way, the two rubber extruding rollers 41 extrude the material 3 to be treated to remove a part of excessive liquid grafting reactant, and then dry the material 3 to be treated to accelerate volatilization of the liquid grafting reactant, so as to remove the excessive liquid grafting reactant remained on the material 3 to be treated, so that the material 3 to be treated is clean, and the influence on subsequent treatment is avoided.
And S4, recycling the material to be treated after the liquid phase graft polymerization treatment.
In specific implementation, the specific embodiments of the conditioning step S1, the plasma treatment step S2, the grafting treatment step S3 and the recovery step S4 may refer to the above description, and will not be described herein.
It can be seen that, in this embodiment, by removing the excessive liquid grafting reactant on the material to be treated after the liquid phase graft polymerization treatment, the liquid grafting reactant can be uniformly distributed on the surface of the material to be treated, and the material to be treated is kept clean, so that the subsequent treatment of the material to be treated is facilitated, and the phenomena of adhesion and the like in the winding process and the like are avoided.
In summary, in this embodiment, the material to be treated is subjected to plasma treatment, so that etching can be performed on the surface of the material to be treated, and polymerization treatment is performed with the liquid grafting reactant after etching, so that the modification effect of etching can be effectively prolonged, the surface performance of the material to be treated is improved, and a long-term modification effect is obtained.
The principle of the material surface treatment device and the material surface treatment method in the present invention is the same, and the related parts can be referred to each other.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. A material surface treatment apparatus, comprising: the device comprises a first guide roller, a second guide roller, a plasma treatment device (1), a liquid phase grafting treatment device (2) and an oxidation reaction cavity (10); wherein,
the first guide roller and the second guide roller are arranged at intervals, the first guide roller is used for receiving and conveying the material (3) to be processed, and the second guide roller is used for receiving and conveying the processed material (3) to be processed;
the plasma treatment device (1) and the liquid phase grafting treatment device (2) are arranged between the first guide roller and the second guide roller at intervals;
the plasma treatment device (1) is close to the first guide roller and is used for carrying out plasma treatment on the material (3) to be treated;
the liquid phase grafting treatment device (2) is close to the second guide roller and is used for carrying out liquid phase grafting polymerization treatment on the material (3) to be treated after plasma treatment;
the plasma processing apparatus (1) includes: a housing (11) and a first gas adjustment mechanism (14); the shell (11) is provided with an air supply port and an air exhaust port, the air supply port is connected with the first gas regulating mechanism (14), and the first gas regulating mechanism (14) is used for conveying regulating gas into the shell (11) so as to enable the shell (11) to reach a preset atmosphere; the exhaust port is used for exhausting hot gas containing ozone generated in the plasma treatment process;
the oxidation reaction cavity (10) is arranged between the plasma treatment device (1) and the liquid phase grafting treatment device (2), an inlet and an outlet which are used for the material (3) to be treated to pass through in a sliding way are formed in the oxidation reaction cavity (10), an air conveying port is formed in the oxidation reaction cavity (10), the air conveying port is communicated with the air outlet, the oxidation reaction cavity (10) is used for receiving the material (3) to be treated after plasma treatment and hot air containing ozone, so that the material (3) to be treated after plasma treatment and the ozone perform oxidation reaction, and the material (3) to be treated after the oxidation reaction is output to the liquid phase grafting treatment device (2), so that oxygen-containing functional groups are generated on the surface of the material (3) to be treated, the surface performance of the material (3) to be treated is further improved, and the wettability is improved.
2. The material surface treatment device according to claim 1, characterized in that the liquid phase grafting treatment device (2) comprises: a reactor (21) and a third guide roller (22); wherein,
the reactor (21) is provided with a material inlet and a material outlet through which the material (3) to be treated can slide, and a liquid grafting reactant is stored in the reactor (21);
the third guide roller (22) is rotatably arranged in the reactor (21) and below the liquid level of the liquid grafting reactant, and the material (3) to be treated is slidably wound around the third guide roller (22).
3. The material surface treatment apparatus according to claim 1, further comprising: a stripping mechanism (4); wherein,
the agent removing mechanism (4) is arranged between the liquid phase grafting treatment device (2) and the second guide roller and is used for removing excessive liquid grafting reactants on the material (3) to be treated after the liquid phase grafting polymerization treatment.
4. A material surface treatment device according to claim 3, wherein the stripping means (4) comprises: two glue rollers (41); wherein,
the two glue squeezing rollers (41) are arranged in parallel and have preset gaps, the material to be treated (3) is slidably arranged between the two glue squeezing rollers (41) in a penetrating mode, and the two glue squeezing rollers (41) are used for squeezing the material to be treated (3) to remove excessive liquid grafting reactants on the material to be treated (3).
5. The material surface treatment device according to claim 4, wherein the stripping mechanism (4) further comprises: a drying device (42); wherein,
the drying device (42) is arranged between the two glue squeezing rollers (41) and the second guide roller and is used for drying the material (3) to be treated so as to remove excessive liquid grafting reactant on the material (3) to be treated.
6. The material surface treatment device according to claim 1, wherein the plasma treatment device (1) further comprises: two electrodes (12) and two barrier dielectric layers (13); wherein,
the shell (11) is provided with an inlet and an outlet through which the material (3) to be treated can slide;
the two electrodes (12) are arranged in the shell (11) in parallel, and the material (3) to be treated is slidably penetrated between the two electrodes (12);
the opposite surfaces of the two electrodes (12) are provided with one blocking dielectric layer (13), and the two electrodes (12) are connected with a power supply system which is used for applying current to the two electrodes (12) so as to generate plasma between the two blocking dielectric layers (13).
7. The material surface treatment apparatus according to claim 1, further comprising: a speed control device (5) and/or a tension control device (6); wherein,
the speed control device (5) is arranged on the first guide roller or the second guide roller and is used for controlling the conveying speed of the material (3) to be processed;
the tension control device (6) is arranged on the first guide roller or the second guide roller and is used for controlling the tension of the material (3) to be processed.
8. A method for treating a surface of a material, comprising the steps of:
a regulating step of inputting a regulating gas into a plasma processing apparatus so as to make the plasma processing apparatus reach a preset atmosphere;
a plasma treatment step of conveying a material to be treated into the plasma treatment device for plasma treatment;
a grafting treatment step, namely conveying the material to be treated after plasma treatment into a liquid phase grafting treatment device for liquid phase grafting polymerization treatment;
a recovery step of recovering the material to be treated after the liquid phase graft polymerization treatment;
the method further comprises, between the plasma treatment step and the grafting treatment step:
an oxidation step, wherein the material to be treated after plasma treatment is subjected to oxidation reaction with ozone generated in the plasma treatment process;
in the grafting treatment step, the material to be treated after the oxidation reaction is conveyed to a liquid phase grafting treatment device to be subjected to liquid phase grafting polymerization treatment with a liquid grafting reactant.
9. A material surface treatment method according to claim 8, wherein,
the grafting treatment step and the recovery step further include:
and a removing step, namely removing excessive liquid grafting reactant on the material to be treated after the liquid phase grafting polymerization treatment.
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