CN105906833A - Atmospheric pressure plasma particle polymer treatment device - Google Patents
Atmospheric pressure plasma particle polymer treatment device Download PDFInfo
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- CN105906833A CN105906833A CN201610171199.3A CN201610171199A CN105906833A CN 105906833 A CN105906833 A CN 105906833A CN 201610171199 A CN201610171199 A CN 201610171199A CN 105906833 A CN105906833 A CN 105906833A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/123—Treatment by wave energy or particle radiation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2355/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2323/00 - C08J2353/00
- C08J2355/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Plasma Technology (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses an atmospheric pressure plasma particle polymer treatment device. The device comprises a tank, wherein an argon inlet is connected to the tank and a stainless steel stirring paddle is installed in the tank, an atmospheric pressure jet processor, wherein the atmospheric pressure jet processor comprises a power supply, an inlet and a spray gun, the power supply provides powder for the atmospheric pressure jet processor, plasma, water and gas fed through the inlet are treated and then are sprayed through the spray gun and the spray gun is seal-connected to the tank, and an automatic control and induction system, wherein the system comprises a temperature sensing unit, a data acquisition unit and a control unit, the temperature sensing unit is arranged in the tank and can detect a temperature in the tank, the detected data is transmitted to the control unit through the data acquisition unit and the control unit determines if the atmospheric pressure jet processor needs to be started to carry out plasma water cooling injection in the tank. The invention provides an atmospheric pressure plasma treatment method and device for a particle polymer.
Description
Technical field
The invention belongs to plasma processing apparatus field, particularly relate to a kind of atmospheric plasma particulate polymer material processing equipment.
Background technology
By the low temperature plasma surface modification to granular materials, on the one hand its hydrophilic, lubricant nature and surface activity can be improved at material surface polarization group, free radical isoreactivity group such as hydroxyl, carboxyl etc..On the other hand natural degradable macromolecular material is then to increase to the mechanical strength of material, reduces the auto-degradation speed of material, extend its service life.Therefore the performance of the inorganic polymer granular materialss such as water treatment filler, plastic rubber material, activated carbon granule, plastics material can be promoted.Have broad application prospects.The domestic research for this field is still in laboratory stage, is not the most suitable for industrialization, the equipment of large-scale continuous production and technique.
Low-temperature plasma surface modification treatment is presently mainly under low pressure, electrode is set in sealing container and forms electric field, certain vacuum is realized with equipment such as vacuum pumps, due to vacuum Middle molecule spacing and molecule or the freely-movable distance of ion, by electric field discharge process, colliding and form gas ions, gas ions makes the structure of material surface, composition and group change, and is met the surface of actual requirement.Owing to low pressure plasma technology needs to use vacuum equipment, practical operation is inconvenient, and application cost is high, is also unfavorable for large-scale production.
The medium/high frequency of normal pressure cold arc air plasma jet equipment constantly rose the most in recent years, was mainly used for the plane treatment industries such as bonding, printing.It has easy to use, and operating cost is low, but the effect processing surface is poor, process that effective area is little, have certain shortcoming such as ageing.
Therefore, the atmospheric pressure plasma jet treatment equipment of a kind of particulate polymers is needed badly.
Summary of the invention
It is an object of the invention to provide the atmospheric pressure plasma jet treatment equipment of a kind of particulate polymers.
To achieve these goals, the technical scheme that the present invention provides is: provide a kind of atmospheric plasma particulate polymer material processing equipment, including:
Tank body, described tank body connect have argon import and in be equiped with rustless steel stirring paddle；
Normal pressure jet datatron, described normal pressure jet datatron includes: power supply, entrance, spray gun, and described power supply is that described normal pressure jet datatron is powered, and the plasma, water and the gas that enter from described entrance are after treatment, spraying through described spray gun, described spray gun is tightly connected with described tank body；Automatically control and induction system, described automatically control and induction system includes: temperature sensing unit, data acquisition unit and control unit, in described temperature sensing unit is located at described tank body and the temperature in described tank body is detected, passing to described control unit by described data acquisition unit, described control unit judges whether that starting tank interior described in described normal pressure jet processor pair carries out plasma water-cooled injection.
Described tank body top is provided with charging aperture, and bottom is provided with Hand-operated butterfly valve discharging opening, and granule materials enters from described charging aperture, and the granule materials after process discharges conveyer belt, or rewinding container from described Hand-operated butterfly valve discharging opening.
Described tank base is provided with sensing air vent.
Also including the motor for driving described rustless steel stirring paddle, described motor is DC speed-regulating motor.
Also include that frame, described tank body are carried in described frame.
The two axial ends of described rustless steel stirring paddle and tank body use ceramic seal device to seal, and described one of them axle head of rustless steel stirring paddle is attached with described DC speed-reducing by belt.
The described power supply of described normal pressure jet datatron is connected to external source of air, cooling water, the interface of 220V power supply, and inside is provided with air pressure and current induction apparatus, anhydrous alarm device without air.
The described spray gun of described normal pressure jet datatron is provided with ring-type cooling line, and the plasma gun under duty is carried out water-cooled.
Being provided with air swirl device in the described spray gun of described normal pressure jet datatron, described air swirl device can produce jet, and the plasma generated under electrion state is blown out described spray gun, forms cold plasma flame.
Described automatically control and charging, applying argon gas, the start and stop of rustless steel stirring paddle, plasma jet work start and stop, temperature sensor, tank interior argon pressure are controlled by induction system, simultaneously can external RS485 interface, fibre optic data transmission, can realize online control and be suitable for large-scale industrial production.
Compared with prior art, surface modification treatment is carried out owing to being applicable to that water is processed the polymer beads such as modified filler, plastic rubber material, activated carbon granule, plastics material at the atmospheric pressure plasma jet treatment equipment of particulate polymers of the present invention, both the subnormal ambient needed for conventional treatment material surface it had been not only restricted to, substantially increase again the usable floor area of Conventional plasma spray gun body, and add water-cooling system, therefore the present invention has the superperformance of the plasma surface treatment carrying out particulate polymer material under atmospheric environment.The invention have the benefit that present invention can be implemented in and under normal pressure and temperature, carry out the charging of inorganic polymer particulate material, inflation, Cement Composite Treated by Plasma, discharging, it is capable of continual process, can save the time, improve production efficiency, on the other hand, under reacting gas to particulate material Cement Composite Treated by Plasma after, its performance can be promoted and meet modified demand.Whole process operation is simple, and equipment investment is low, it is possible to achieve scale is popularized.
By description below and combine accompanying drawing, the present invention will become more fully apparent, and these accompanying drawings are used for explaining embodiments of the invention.
Accompanying drawing explanation
Figure 1 ForThe schematic diagram of one embodiment of atmospheric plasma particulate polymer material processing equipment of the present invention.
Detailed description of the invention
With reference now to accompanying drawing, describing embodiments of the invention, element numbers similar in accompanying drawing represents similar element.As it has been described above, as it is shown in figure 1, the present invention provides a kind of atmospheric plasma particulate polymer material processing equipment 100, including:
Tank body 1, described tank body 1 is stainless steel, described tank body 1 connect have argon import 2 and in be equiped with rustless steel stirring paddle 3；Normal pressure jet datatron 4, described normal pressure jet datatron 4 includes: power supply 41, entrance 42, spray gun 43, described power supply 41 is powered for described normal pressure jet datatron 4, from plasma, water and the gas of the entrance of described entrance 42 after treatment, spraying through described spray gun 43, described spray gun 43 is tightly connected with described tank body 1；Automatically control and induction system 5, described automatically control and induction system 5 includes: temperature sensing unit, data acquisition unit and control unit, in described temperature sensing unit is located at described tank body 1 and the temperature in described tank body 1 is detected, passing to described control unit by described data acquisition unit, described control unit judges whether that starting described normal pressure jet datatron 4 carries out plasma water-cooled injection to described tank body 1 is internal.
In one embodiment, described tank body 1 top is provided with charging aperture 11, and described charging aperture 11 is with sealing device, bottom is provided with Hand-operated butterfly valve discharging opening 6, granule materials enters from described charging aperture 11, and the granule materials after process discharges conveyer belt, or rewinding container from described Hand-operated butterfly valve discharging opening 6.Described charging aperture 11 is provided with transparent observation window 11a, and described observation window 11a has sealing device.This sealing device enables to described observation window 11a and reaches hermetic seal with described tank body 1.
In one embodiment, bottom described tank body 1, it is provided with sensing air vent 7.When the atmospheric pressure in described tank body 1 exceedes setting value, the pressure switch work in described sensing air vent 7 starts to discharge inner air.Therefore the pressure being prevented from described tank body 1 by described eye shadow air vent 7 is excessive, it is ensured that equipment is used safely.
In one embodiment, also including the motor 8 for driving described rustless steel stirring paddle 3, described motor 8 is DC speed-regulating motor.
In one embodiment, also include that frame 9, described tank body 1 are carried in described frame 9.
In one embodiment, the two axial ends of described rustless steel stirring paddle 3 and tank body 1 use ceramic seal device 1a to seal, and described one of them axle head of rustless steel stirring paddle 3 is attached with described DC speed-reducing by belt 10.
In one embodiment, the described power supply 41 of described normal pressure jet datatron 4 is connected to external source of air, cooling water, the interface of 220V power supply, and inside is provided with air pressure and current induction apparatus, anhydrous alarm device without air.Therefore, it is possible to sense air pressure and the size of hydraulic pressure entering described normal pressure jet datatron 4, when the size of the air pressure or hydraulic pressure entering described normal pressure jet datatron 4 is less than setting value, described anhydrous alarm device without air can start warning.
In one embodiment, the described spray gun 43 of described normal pressure jet datatron 4 is provided with ring-type cooling line, and the plasma gun under duty is carried out water-cooled.
In one embodiment, being provided with air swirl device in the described spray gun 43 of described normal pressure jet datatron 4, described air swirl device can produce jet, and the plasma generated under electrion state is blown out described spray gun 43, forms cold plasma flame.
In one embodiment, described automatically control and charging, applying argon gas, the start and stop of rustless steel stirring paddle 3, plasma jet work start and stop, temperature sensor, tank body 1 argon gas inside pressure are controlled by induction system 5, simultaneously can external RS485 interface, fibre optic data transmission, can realize online control and be suitable for large-scale industrial production.
Conventional parameter and the workflow of atmospheric plasma particulate polymer material processing equipment 100 of the present invention be described below in detail:
Power parameter: input voltage: AC220 ± 10%V, output: 3KW, electric current: 0.5A, voltage: 6KV, ceiling voltage 10KV, frequency 25Khz waveform quasi-sine-wave.
Argon parameter: purity: >=99.99%, pressure > 0.2MPA, between air source pressure 0.2～0.4 MPA, tank body fills argon pressure: 0.11-0.12MPA.
Step one, need to process material and send into from charging aperture, fills quantity and is less than the 3/4 of tank interior space, and closes charging aperture；
Step 2, opens argon inlet switch continuous gas entry, until the pressure switch work of sensing air vent starts to discharge inner air, and continues 5～10 seconds, and then transmission shutdown signal is to air inlet electromagnetic valve, stops air inlet, and now tank interior fills full argon；
Step 3, Cement Composite Treated by Plasma, allow the power supply of normal pressure jet datatron, be i.e. intermediate frequency power supply, drive electrode assembly generates electric field, after plasma, water and the gas mixing that described entrance enters, is ejected to tank body top rest through described spray gun；
Step 4, opens rustless steel stirring paddle 3, and plasma reacts with granule materials, as overheated in work, and plasma gun water-cooling system will take away heat, can observe inner workings by observation window simultaneously；
Step 5, discharging, after reaching the working time arranged, such as 5～20 minutes, by automatically controlling and the work of induction system arrestment, opening Hand-operated butterfly valve discharging opening, the granule materials after processing discharges conveyer belt from discharging opening, or rewinding container, after drained material, open upper end charging aperture；Step 6, carries out next circulation.
It should be noted that the gas in step 2 is argon, it is also possible to be nitrogen；Reacting gas in step 3 is the compressed air of clean dry.
It should be noted that, plasma technology is used to carry out plastic grains surface modification treatment according to the requirement of technique, surface inorganic tool is damaged, without chemical solvent, environmental protection technique completely, releasing agent, additive, plasticizer or other surface contamination being made up of Hydrocarbon be can effectively remove, activity and the hydrophilic of material added simultaneously.Its effect be to increase molding after product mechanical performance and outward appearance, be more easy to carry out surface printing；Promote moulded manufacturability simultaneously, reduce bad product rate.Suitable material: PP, PC, ABS, PA, PE, PVC, BOPP etc..
In addition, plasma technology is used to carry out processing activated carbon granule according to the requirement of technique, gas ions and the interaction of activated carbon, after Cement Composite Treated by Plasma, activated carbon surface becomes uneven, and surface acidity functional group increases, basic functionality reduces, and adds activated carbon adsorption and processes ability and the effectiveness of various application of low-concentration organic waste water.
In addition, plasma technology is used to carry out processing filler particles according to the requirement of technique, the modification of the filler of organic synthesis is mainly made carrier surface form hydrophilic group by plasma, such as hydroxyl, carboxyl etc., increase its hydrophilic and form positively charged biofilm carrier surface, thus greatly reducing the repulsion between microorganism, waste gas, heavy metal and carrier, increasing its adhesive force.Reduce the auto-degradation speed of material simultaneously, extend its service life.
The above disclosed the preferred embodiments of the present invention that are only, certainly can not limit the interest field of the present invention, the equivalent variations therefore made according to scope of the present invention patent with this, still belong to the scope that the present invention is contained.
Claims (10)
1. an atmospheric plasma particulate polymer material processing equipment, it is characterised in that including:
Tank body, described tank body connect have argon import and in be equiped with rustless steel stirring paddle；
Normal pressure jet datatron, described normal pressure jet datatron includes: power supply, entrance, spray gun, and described power supply is that described normal pressure jet datatron is powered, and the plasma, water and the gas that enter from described entrance are after treatment, spraying through described spray gun, described spray gun is tightly connected with described tank body；
Automatically control and induction system, described automatically control and induction system includes: temperature sensing unit, data acquisition unit and control unit, in described temperature sensing unit is located at described tank body and the temperature in described tank body is detected, passing to described control unit by described data acquisition unit, described control unit judges whether that starting tank interior described in described normal pressure jet processor pair carries out plasma water-cooled injection.
2. atmospheric plasma particulate polymer material processing equipment as claimed in claim 1, it is characterized in that, described tank body top is provided with charging aperture, bottom is provided with Hand-operated butterfly valve discharging opening, granule materials enters from described charging aperture, granule materials after process discharges conveyer belt, or rewinding container from described Hand-operated butterfly valve discharging opening.
3. atmospheric plasma particulate polymer material processing equipment as claimed in claim 1, it is characterised in that described tank base is provided with sensing air vent.
4. atmospheric plasma particulate polymer material processing equipment as claimed in claim 1, it is characterised in that also including the motor for driving described rustless steel stirring paddle, described motor is DC speed-regulating motor.
5. atmospheric plasma particulate polymer material processing equipment as claimed in claim 1, it is characterised in that also include that frame, described tank body are carried in described frame.
6. atmospheric plasma particulate polymer material processing equipment as claimed in claim 4, it is characterized in that, the two axial ends of described rustless steel stirring paddle and tank body use ceramic seal device to seal, and described one of them axle head of rustless steel stirring paddle is attached with described DC speed-reducing by belt.
7. atmospheric plasma particulate polymer material processing equipment as claimed in claim 1, it is characterized in that, the described power supply of described normal pressure jet datatron is connected to external source of air, cooling water, the interface of 220V power supply, and inside is provided with air pressure and current induction apparatus, anhydrous alarm device without air.
8. atmospheric plasma particulate polymer material processing equipment as claimed in claim 1, it is characterised in that the described spray gun of described normal pressure jet datatron is provided with ring-type cooling line, and the plasma gun under duty is carried out water-cooled.
9. atmospheric plasma particulate polymer material processing equipment as claimed in claim 1, it is characterized in that, it is provided with air swirl device in the described spray gun of described normal pressure jet datatron, described air swirl device can produce jet, and the plasma generated under electrion state is blown out described spray gun, form cold plasma flame.
10. atmospheric plasma particulate polymer material processing equipment as claimed in claim 1, it is characterized in that, described automatically control and charging, applying argon gas, the start and stop of rustless steel stirring paddle, plasma jet work start and stop, temperature sensor, tank interior argon pressure are controlled by induction system, simultaneously can external RS485 interface, fibre optic data transmission, can realize online control and be suitable for large-scale industrial production.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610171199.3A CN105906833B (en) | 2016-03-24 | 2016-03-24 | Atmospheric plasma particulate polymer material processing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610171199.3A CN105906833B (en) | 2016-03-24 | 2016-03-24 | Atmospheric plasma particulate polymer material processing equipment |
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| CN105906833A true CN105906833A (en) | 2016-08-31 |
| CN105906833B CN105906833B (en) | 2019-04-09 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202318981U (en) * | 2011-09-07 | 2012-07-11 | 苏州市奥普斯等离子体科技有限公司 | Treatment device for modification plasma on high polymer material surface |
| CN103596349A (en) * | 2013-11-26 | 2014-02-19 | 苏州市奥普斯等离子体科技有限公司 | Jet plasma water-cooling spraying gun |
| CN103730319A (en) * | 2013-12-23 | 2014-04-16 | 苏州市奥普斯等离子体科技有限公司 | Novel powder plasma processing device |
| CN203617245U (en) * | 2013-12-23 | 2014-05-28 | 苏州市奥普斯等离子体科技有限公司 | Novel powder plasma treating device |
| CN203960219U (en) * | 2014-05-23 | 2014-11-26 | 无锡思清源生物科技有限公司 | A kind of novel atmospheric pressure at room plasma body mutagenesis breeding device |
| CN104299882A (en) * | 2014-10-24 | 2015-01-21 | 苏州奥斯特新材料科技有限公司 | Surface plasma processing device for powder materials |
-
2016
- 2016-03-24 CN CN201610171199.3A patent/CN105906833B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202318981U (en) * | 2011-09-07 | 2012-07-11 | 苏州市奥普斯等离子体科技有限公司 | Treatment device for modification plasma on high polymer material surface |
| CN103596349A (en) * | 2013-11-26 | 2014-02-19 | 苏州市奥普斯等离子体科技有限公司 | Jet plasma water-cooling spraying gun |
| CN103730319A (en) * | 2013-12-23 | 2014-04-16 | 苏州市奥普斯等离子体科技有限公司 | Novel powder plasma processing device |
| CN203617245U (en) * | 2013-12-23 | 2014-05-28 | 苏州市奥普斯等离子体科技有限公司 | Novel powder plasma treating device |
| CN203960219U (en) * | 2014-05-23 | 2014-11-26 | 无锡思清源生物科技有限公司 | A kind of novel atmospheric pressure at room plasma body mutagenesis breeding device |
| CN104299882A (en) * | 2014-10-24 | 2015-01-21 | 苏州奥斯特新材料科技有限公司 | Surface plasma processing device for powder materials |
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Effective date of registration: 20200710 Address after: 410000 Changsha city of Liuyang City, Hunan Province, ancient port town two Industrial Park Patentee after: Changsha Lixing Environmental Protection Technology Co., Ltd Address before: Guangdong province Dongguan City Dongkeng Town 523000 village corner angle Cheung Road No. 40 building 3-5 Patentee before: DONGGUAN HENGHE DYNAMO-ELECTRIC TECHNOLOGY Co.,Ltd. |
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