CN106205862B - A kind of preparation method of high-temperature electric conduction glass fabric - Google Patents
A kind of preparation method of high-temperature electric conduction glass fabric Download PDFInfo
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- CN106205862B CN106205862B CN201610497957.0A CN201610497957A CN106205862B CN 106205862 B CN106205862 B CN 106205862B CN 201610497957 A CN201610497957 A CN 201610497957A CN 106205862 B CN106205862 B CN 106205862B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
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Abstract
A kind of preparation method of high-temperature electric conduction glass fabric disclosed by the invention, it is specially：First with absolute ethyl alcohol and deionized water cleaning micro-sized metal silver-coated copper powder, drying obtains the simple metal silver-coated copper powder of cleaning；Then organic carrier is prepared using high-temperature resin, polyurethane-modified resin, trimethylolpropane trimethacrylate, N vinyl pyrrolidones, silane coupler KH 550, defoamer and levelling agent；Organic carrier is well mixed with the simple metal silver-coated copper powder of cleaning again and prepares high temperature polymer silver-coated copper powder electrocondution slurry；Finally the high temperature polymer silver-coated copper powder electrocondution slurry prepared is coated on glass fabric and dried again using drying box, that is, obtains high-temperature electric conduction glass fabric.The preparation method of the high-temperature electric conduction glass fabric of the present invention, can prepare the characteristics of heat resistance is good, viscosity is low and processing technology is good.
Description
Technical field
The invention belongs to conductive material preparation method technical field, and in particular to a kind of system of high-temperature electric conduction glass fabric
Preparation Method.
Background technology
With the high speed development and Macromolecular materials industry of electronics industry and increasingly perfect, the engineering plastic of plastics forming technique
Material with its it is unique the advantages of be widely used.With the compound conductive fiber and resin such as carbon fiber, stainless steel, nickel fiber and aluminium foil
It is compound obtained practical application, but will be extensively using also being limited by price, proportion, electric conductivity and mechanical property.
Carbon fiber high temperature resistant, conduction, there is very high specific strength, but price is of a relatively high.Glass fibre is a kind of excellently inorganic in itself
Nonmetallic materials, there is higher mechanical property, high temperature resistant, corrosion-resistant, chemically stable is good and cheap, and electrical insulation capability is excellent
It is different, large-scale application is obtained in fields such as Aero-Space, defence and military, electrical equipment and electricals, is mainly used in electromagnetic shielding material, leads
The fields such as electric material, anti-static material, exothermic material, ptc material, pressure sensitive, and with the development of research application, it should
Will progressively it be expanded with field.Electrically-conducting paint is widely used because of the advantages of its electric conductivity is high, shield effectiveness is good.Therefore, it is a kind of
Electromagnetic shielding conductive slurry of good performance turns into the important trend of industrial materials.
In actual applications it has been found that the electric conductivity of glass fibre is very poor, can not make in some fields instead of carbon fiber
With；Plastics to electromagnetic wave without any shielding action, so have to handle with conducting function high polymer material,
It could be electromagnetically shielded.After glass fibre metallization, its specific insulation can reach 10~100 times of common carbon fibers.Gold
Glass fibre after categoryization is due to good conductivity, density is small, cost is low, is easy to resin-bonded, can be as a kind of excellent conduction
Filler replaces carbon fiber, in terms of being applied to electromagnetic shielding material, absorbing material and other functional materials as reinforced materials.
With the development of social science and technology, people propose higher and higher requirement to the heat-resisting quantity of material.Traditional tree
Fat can not meet resistant to elevated temperatures requirement, and manufacturability is often poor, limit their widely use.At present, compound
Materials industry, which needs one kind badly, can meet manufacturability requirement, be easy to be molded, and have the resin of fine heat resistance again.
The content of the invention
It is an object of the invention to provide a kind of preparation method of high-temperature electric conduction glass fabric, heat resistance can be prepared
Good, the characteristics of viscosity is low and processing technology is good.
The technical solution adopted in the present invention is a kind of preparation method of high-temperature electric conduction glass fabric, to concretely comprise the following steps：
Step 1, micro-sized metal silver-coated copper powder is taken, oil removing is carried out, except oxidation to the micro-sized metal silver-coated copper powder of acquirement
Thing and the processing of surface removal of impurities, obtain the clean simple metal silver-coated copper powder in surface；
Step 2, by high-temperature resin, polyurethane modified resin, trimethylolpropane trimethacrylate, N- ethenyl pyrrolidones
Stirred after ketone, silane resin acceptor kh-550, defoamer and levelling agent mixing, obtain organic carrier, and it is organic by what is obtained
Carrier is kept in dark place；
Step 3, by the clean simple metal silver-coated copper powder in the surface obtained through step 1 and the organic carrier obtained through step 2
It is well mixed, obtain high temperature polymer silver-coated copper powder electrocondution slurry；
Step 4, glass fabric is taken, and glass fabric carries out oil removing and except oxide process, obtains clean glass
Fiber cloth；The high temperature polymer silver-coated copper powder electrocondution slurry obtained through step 3 is coated on clean glass fabric surface；Will
The glass fabric drying of high temperature polymer silver-coated copper powder electrocondution slurry is coated, obtains high-temperature electric conduction glass fabric.
The features of the present invention also resides in：
Step 1 is specifically implemented according to following steps：
Step 1.1, micro-sized metal silver-coated copper powder is weighed, and the micro-sized metal silver-coated copper powder weighed is added to anhydrous
In ethanol, every gram of micro-sized metal silver-coated copper powder will add 5ml~10ml absolute ethyl alcohol, by the way of stirring, make micro-
Meter level metal silver-coated copper powder is tentatively distributed in absolute ethyl alcohol, forms dispersion liquid A；
Step 1.2, the dispersion liquid A formed in step 1.1 used into ultrasonic wave decentralized processing 8min~10min, make micron
Level metal silver-coated copper powder is further distributed into absolute ethyl alcohol, forms dispersion liquid B；
Step 1.3, by the dispersion liquid B formed through step 1.2 stand, until formed sediment, after filtering out liquid, obtain
Sediment；
Step 1.4, the sediment obtained through step 1.3 is washed with deionized, after draining ionized water, by remaining thing
Matter is dried with drying plant, that is, is completed oil removing to metal silver-coated copper powder, except the processing that oxide and surface clean, obtained table
The clean simple metal silver-coated copper powder in face.
The average grain diameter of micro-sized metal silver-coated copper powder is 6 μm~10 μm.
In step 1.4, the metal silver-coated copper powder obtained through step 1.3 will at least be washed with deionized three times；Drying
Equipment uses air dry oven；Air drying 2h~3h is used during drying.
Step 2 is specifically implemented according to following steps：
Step 2.1, weigh following raw material respectively by mass percentage：
High-temperature resin 45%~50%, polyurethane modified resin 10%~15%, trimethylolpropane trimethacrylate 6%
~10%, NVP 24%~28%, silane resin acceptor kh-550 2%~5%, defoamer 0.1%~4%
And levelling agent 0.3%~0.7%, above constituent content summation are 100%；
Step 2.2, first by the high-temperature resin weighed in step 2.1, polyurethane modified resin, trimethylolpropane tris propylene
Acid esters, NVP, silane resin acceptor kh-550, defoamer and levelling agent mix, and then stir,
Obtain organic carrier；
Step 2.3, the organic carrier obtained in step 2.2 is kept in dark place.
The mass ratio of the clean simple metal silver-coated copper powder in surface and organic carrier is 25~35 in step 3：65~75.
Step 4 is specifically implemented according to following steps：
Step 4.1, glass fabric is taken, the glass fabric of acquirement is washed, to remove glass fabric surface
Oil and oxide, obtain clean glass fabric；
Step 4.2, the clean glass fabric obtained through step 4.1 is put into drying box and dried, obtained clean
Glass fabric；
Step 4.3, with bar spreader the high temperature polymer silver-coated copper powder electrocondution slurry obtained through step 3 is uniformly coated
In on the clean glass fabric obtained through step 4.2；
Step 4.4, the glass fabric coated with high temperature polymer silver-coated copper powder electrocondution slurry that will be obtained through step 4.3
It is positioned in drying box and dries, obtains the glass fabric coated with high temperature polymer silver-coated copper powder electrocondution slurry of drying；
Step 4.5, after step 4.4, the glass fabric of dry high temperature polymer silver-coated copper powder electrocondution slurry is taken
Go out, after under normal temperature and pressure place 1.5h~2.5h, obtain high-temperature electric conduction glass fabric.
Following steps are used in step 4.1, during cleaning glass fiber cloth：
Step 1), glass fabric is soaked in the supersonic wave cleaning machine for being loaded with absolute ethyl alcohol, using ultrasonic cleaning
3min~5min；
Step 2), the ultrasonic wave for being loaded with deionized water is soaked in after the glass fabric after step 1) washing is taken out
In cleaning machine, using 3min~5min is cleaned by ultrasonic, clean glass fabric is obtained.
The size of glass fabric is：6cm×4cm×0.06μm.
The condition of drying in step 4.4 is specific as follows：
In 90 DEG C~110 DEG C conditions, 15min~25min is dried.
The beneficial effects of the present invention are：
1. the preparation method of the high-temperature electric conduction glass fabric of the present invention：It is micro- first with absolute ethyl alcohol and deionized water cleaning
Meter level metal silver-coated copper powder, drying obtain the simple metal silver-coated copper powder of cleaning；Then tree is modified using high-temperature resin, polyurethane
Fat, trimethylolpropane trimethacrylate, NVP, silane resin acceptor kh-550, defoamer and levelling agent
Prepare organic carrier；Organic carrier is well mixed with the simple metal silver-coated copper powder of cleaning again and prepares high temperature polymer silver bag
Copper powder electrocondution slurry；Finally the high temperature polymer silver-coated copper powder electrocondution slurry prepared is coated on glass fabric and used again
Drying box is dried, that is, obtains high-temperature electric conduction glass fabric, the high-temperature electric conduction glass fabric can be used for Electronic Packaging and electromagnetism
Shielding.
2. in the preparation method of the high-temperature electric conduction glass fabric of the present invention, prepared using noble silver cladding copper base metal
Obtained metal silver-coated copper powder, whole preparation process solidify without high temperature sintering, significantly reduce production cost；Prepare
Not only electric conductivity is excellent for silver-colored copper-clad electric slurry, moreover it is possible to long-term storage.
3. in the preparation method of the high-temperature electric conduction glass fabric of the present invention, using high-temperature resin, polyurethane resin, poly- ammonia
Fat modified resin, trimethylolpropane trimethacrylate, NVP, silane resin acceptor kh-550, defoamer, stream
The clean simple metal silver-coated copper powder of flat agent and surface is mixed with out high temperature polymer silver-coated copper powder electrocondution slurry, the high temperature polymerization
Thing silver-coated copper powder electrocondution slurry, there is the characteristics of viscosity is low, and good resistance to elevated temperatures can be shown at 420 DEG C, can use
In electromagnetic shielding material, conductive material, anti-static material and exothermic material.
4. the preparation method of the high-temperature electric conduction glass fabric of the present invention has, nontoxic, pollution-free, curing rate is fast, the time
The advantages that short, high temperature resistant, good conductivity, antioxygenic property stabilization and good processing technology.
Embodiment
With reference to embodiment, the present invention is described in detail.
A kind of preparation method of high-temperature electric conduction glass fabric of the present invention, specifically implements according to following steps：
Step 1, micro-sized metal silver-coated copper powder is taken, oil removing is carried out, except oxidation to the micro-sized metal silver-coated copper powder of acquirement
Thing and the processing of surface removal of impurities, obtain the clean simple metal silver-coated copper powder in surface, specifically implement according to following steps：
Step 1.1, micro-sized metal silver-coated copper powder is weighed, and the micro-sized metal silver-coated copper powder weighed is added to anhydrous
In ethanol, every gram of micro-sized metal silver-coated copper powder will add 5ml~10ml absolute ethyl alcohol, by the way of stirring, make micro-
Meter level metal silver-coated copper powder is tentatively distributed in absolute ethyl alcohol, forms dispersion liquid A；
Wherein, the average grain diameter of micro-sized metal silver-coated copper powder is 6 μm~10 μm；
Step 1.2, the dispersion liquid A formed in step 1.1 used into ultrasonic wave decentralized processing 8min~10min, make micron
Level metal silver-coated copper powder is further distributed into absolute ethyl alcohol, forms dispersion liquid B；
Step 1.3, by the dispersion liquid B formed through step 1.2 stand, until formed sediment, after filtering out liquid, obtain
Sediment；
Step 1.4, the sediment obtained through step 1.3 is washed with deionized, after draining ionized water, by remaining thing
Matter is dried with drying plant, that is, is completed oil removing to metal silver-coated copper powder, except the processing that oxide and surface clean, obtained table
The clean simple metal silver-coated copper powder in face；
In step 1.4, the metal silver-coated copper powder obtained through step 1.3 will at least be washed with deionized three times；
Drying plant uses air dry oven；Air drying 2h~3h is used during drying.
Step 2, by high-temperature resin, polyurethane modified resin, trimethylolpropane trimethacrylate, N- ethenyl pyrrolidones
Stirred after ketone, silane resin acceptor kh-550, defoamer and levelling agent mixing, obtain organic carrier, and it is organic by what is obtained
Carrier is kept in dark place, and specifically implements according to following steps：
Step 2.1, weigh following raw material respectively by mass percentage：
High-temperature resin 45%~50%, polyurethane modified resin 10%~15%, trimethylolpropane trimethacrylate 6%
~10%, NVP 24%~28%, silane coupler (KH-550) 2%~5%, defoamer 0.1%~4%
And levelling agent 0.3%~0.7%, above constituent content summation are 100%；
Step 2.2, first by the high-temperature resin weighed in step 2.1, polyurethane modified resin, trimethylolpropane tris propylene
Acid esters, NVP, silane resin acceptor kh-550, defoamer and levelling agent mix, and then stir,
Obtain organic carrier；
Step 2.3, the organic carrier obtained in step 2.2 is kept in dark place, in order to which next step uses.
Step 3, by the clean simple metal silver-coated copper powder in the surface obtained through step 1 and the organic carrier obtained through step 2
It is well mixed, obtain high temperature polymer silver-coated copper powder electrocondution slurry；
Wherein, the mass ratio of the clean simple metal silver-coated copper powder in surface and organic carrier is 25~35：65~75；
The clean simple metal silver-coated copper powder of blending surface during organic carrier with that can use glass pot to contain.
Step 4, glass fabric is taken, and glass fabric carries out oil removing and except oxide process, obtains clean glass
Fiber cloth；The high temperature polymer silver-coated copper powder electrocondution slurry obtained through step 3 is coated on clean glass fabric surface；Will
The glass fabric drying of high temperature polymer silver-coated copper powder electrocondution slurry is coated, high-temperature electric conduction glass fabric is obtained, specifically presses
Implement according to following steps：
Step 4.1, glass fabric is taken, the glass fabric of acquirement is washed, to remove glass fabric surface
Oil and oxide, obtain clean glass fabric；
The size of glass fabric is：6cm × 4cm × 0.06 μm (length x width x thickness)；
Following steps are used during cleaning glass fiber cloth：
Step 1), glass fabric is soaked in the supersonic wave cleaning machine for being loaded with absolute ethyl alcohol, using ultrasonic cleaning
3min~5min；
Step 2), the ultrasonic wave for being loaded with deionized water is soaked in after the glass fabric after step 1) washing is taken out
In cleaning machine, using 3min~5min is cleaned by ultrasonic, clean glass fabric is obtained；
Step 4.2, the clean glass fabric obtained through step 4.1 is put into drying box and dried, obtained clean
Glass fabric；
Step 4.3, with bar spreader the high temperature polymer silver-coated copper powder electrocondution slurry obtained through step 3 is uniformly coated
High temperature polymerization can be coated with each position on the clean glass fabric obtained through step 4.2, ensureing glass fibre
Thing silver-coated copper powder electrocondution slurry, and coating thickness is consistent；
Step 4.4, the glass fabric coated with high temperature polymer silver-coated copper powder electrocondution slurry that will be obtained through step 4.3
It is positioned in drying box and dries, obtains the glass fabric coated with high temperature polymer silver-coated copper powder electrocondution slurry of drying；
Drying condition is：In 90 DEG C~110 DEG C conditions, 15min~25min is dried；
Step 4.5, after step 4.4, the glass fabric of dry high temperature polymer silver-coated copper powder electrocondution slurry is taken
Go out, after under normal temperature and pressure place 1.5h~2.5h, obtain high-temperature electric conduction glass fabric.
A kind of preparation method of high-temperature electric conduction glass fabric of the present invention, in simple terms：First with absolute ethyl alcohol and go from
Sub- water cleans micro-sized metal silver-coated copper powder, and drying obtains the simple metal silver-coated copper powder of cleaning；Then use high-temperature resin, gather
Ammoniacum modified resin, trimethylolpropane trimethacrylate, NVP, silane resin acceptor kh-550, defoamer
And levelling agent prepares organic carrier；Organic carrier is well mixed with the simple metal silver-coated copper powder of cleaning again and prepares high temperature
Polymer silver-coated copper powder electrocondution slurry；The high temperature polymer silver-coated copper powder electrocondution slurry prepared finally is coated to glass fibre
Dried again using drying box on cloth, that is, obtain high-temperature electric conduction glass fabric, the high-temperature electric conduction glass fabric can be used for electronics
Encapsulation and electromagnetic shielding field.
A kind of preparation method of high-temperature electric conduction glass fabric of the present invention, its feature are：Wrapped using micro-sized metal silver
Copper powder, and preparation process is not required to high temperature sintering solidification, significantly reduces production cost；The high-temperature electric conduction glass fibre prepared
Not only electric conductivity is excellent for cloth, can also deposit for a long time.A kind of in addition, preparation method of high-temperature electric conduction glass fabric of the present invention
Employed in raw material be free of the volatilization of organic matter, have pollution-free, curing rate quickly, high temperature resistant, good conductivity and anti-
The advantages of oxidation susceptibility is good, available for electromagnetic shielding material, conductive material, anti-static material, exothermic material, ptc material and
The fields such as pressure sensitive.
Embodiment 1
It is 8 μm of micro-sized metal silver-coated copper powders to weigh average grain diameter, and the micro-sized metal silver-coated copper powder weighed is added
Into absolute ethyl alcohol, every gram of micro-sized metal silver-coated copper powder will add 6ml absolute ethyl alcohol, by the way of stirring, make micro-
Meter level metal silver-coated copper powder is tentatively distributed in absolute ethyl alcohol, forms dispersion liquid A；Dispersion liquid A is used into ultrasonic wave decentralized processing
8min, micro-sized metal silver-coated copper powder is further distributed into absolute ethyl alcohol, form dispersion liquid B；Dispersion liquid B is stood, directly
To sediment is formed, after filtering out liquid, sediment is obtained；Sediment is washed with deionized, will be surplus after draining ionized water
Remaining material air dry oven dries 2h under normal temperature, that is, completes oil removing to metal silver-coated copper powder, except oxide and table
The processing of face removal of impurities, obtains the clean simple metal silver-coated copper powder in surface；
Weigh following raw material respectively by mass percentage：High-temperature resin 45%, polyurethane modified resin 15%, trihydroxy methyl
Propane triacrylate 6%, NVP 28%, silane resin acceptor kh-550 2%, defoamer 3.7% and levelling
Agent 0.3%, above constituent content summation are 100%；By the high-temperature resin weighed, polyurethane modified resin, trimethylolpropane
Triacrylate, NVP, silane resin acceptor kh-550, defoamer and levelling agent mix, and stirring is equal
Organic carrier is obtained after even；Organic carrier is kept in dark place；
It is 35 in mass ratio：65 will be well mixed through the clean simple metal silver-coated copper powder in surface and organic carrier, obtain height
Warm polymer silver-coated copper powder electrocondution slurry；
Take size be 6cm × 4cm × 0.06 μm glass fabric, the glass fabric of acquirement is washed, with except
The oil and oxide on glass fabric surface are removed, obtains clean glass fabric；Mode of washing is：First glass fabric is soaked
Steep in being loaded with the supersonic wave cleaning machine of absolute ethyl alcohol, using ultrasonic cleaning 5min；Glass fabric is soaked in splendid attire again
Have in the supersonic wave cleaning machine of deionized water, using 5min is cleaned by ultrasonic, obtain clean glass fabric；By clean glass
Fiber cloth is put into drying box and dried, and obtains clean glass fabric；With bar spreader by high temperature polymer silver-coated copper powder
Electrocondution slurry is evenly applied on clean glass fabric；It is coated with the glass of high temperature polymer silver-coated copper powder electrocondution slurry
Fiber cloth is positioned in drying box and drying handles 25min under the conditions of 90 DEG C, obtains the silver-colored coated with high temperature polymer of drying
The glass fabric of copper-clad powder electrocondution slurry；The glass fabric of dry high temperature polymer silver-coated copper powder electrocondution slurry is taken
Go out, after placing 2.5h under normal temperature and pressure, obtain high-temperature electric conduction glass fabric.
Embodiment 2
It is 6 μm of micro-sized metal silver-coated copper powders to weigh average grain diameter, and the micro-sized metal silver-coated copper powder weighed is added
Into absolute ethyl alcohol, every gram of micro-sized metal silver-coated copper powder will add 7ml absolute ethyl alcohol, by the way of stirring, make micro-
Meter level metal silver-coated copper powder is tentatively distributed in absolute ethyl alcohol, forms dispersion liquid A；Dispersion liquid A is used into ultrasonic wave decentralized processing
10min, micro-sized metal silver-coated copper powder is further distributed into absolute ethyl alcohol, form dispersion liquid B；Dispersion liquid B is stood, directly
To sediment is formed, after filtering out liquid, sediment is obtained；Sediment is washed with deionized, will be surplus after draining ionized water
Remaining material air dry oven dries 2.5h under normal temperature, that is, complete oil removing to metal silver-coated copper powder, except oxide and
The processing of surface removal of impurities, obtains the clean simple metal silver-coated copper powder in surface；
Weigh following raw material respectively by mass percentage：High-temperature resin 50%, polyurethane modified resin 10%, trihydroxy methyl
Propane triacrylate 8%, NVP 26%, silane resin acceptor kh-550 3%, defoamer 2.3% and levelling
Agent 0.7%, above constituent content summation are 100%；By the high-temperature resin weighed, polyurethane modified resin, trimethylolpropane
Triacrylate, NVP, silane resin acceptor kh-550, defoamer and levelling agent mix, and stirring is equal
Organic carrier is obtained after even；Organic carrier is kept in dark place；
It is 30 in mass ratio：70 will be well mixed through the clean simple metal silver-coated copper powder in surface and organic carrier, obtain height
Warm polymer silver-coated copper powder electrocondution slurry；
Take size be 6cm × 4cm × 0.06 μm glass fabric, the glass fabric of acquirement is washed, with except
The oil and oxide on glass fabric surface are removed, obtains clean glass fabric；Mode of washing is：First glass fabric is soaked
Steep in being loaded with the supersonic wave cleaning machine of absolute ethyl alcohol, using ultrasonic cleaning 3min；Glass fabric is soaked in splendid attire again
Have in the supersonic wave cleaning machine of deionized water, using 3min is cleaned by ultrasonic, obtain clean glass fabric；By clean glass
Fiber cloth is put into drying box and dried, and obtains clean glass fabric；With bar spreader by high temperature polymer silver-coated copper powder
Electrocondution slurry is evenly applied on clean glass fabric；It is coated with the glass of high temperature polymer silver-coated copper powder electrocondution slurry
Fiber cloth is positioned in drying box and drying handles 20min under the conditions of 100 DEG C, obtains the silver-colored coated with high temperature polymer of drying
The glass fabric of copper-clad powder electrocondution slurry；The glass fabric of dry high temperature polymer silver-coated copper powder electrocondution slurry is taken
Go out, after placing 2h under normal temperature and pressure, obtain high-temperature electric conduction glass fabric.
Embodiment 3
It is 10 μm of micro-sized metal silver-coated copper powders to weigh average grain diameter, and the micro-sized metal silver-coated copper powder weighed is added
Into absolute ethyl alcohol, every gram of micro-sized metal silver-coated copper powder will add 10ml absolute ethyl alcohol, by the way of stirring, make micro-
Meter level metal silver-coated copper powder is tentatively distributed in absolute ethyl alcohol, forms dispersion liquid A；Dispersion liquid A is used into ultrasonic wave decentralized processing
10min, micro-sized metal silver-coated copper powder is further distributed into absolute ethyl alcohol, form dispersion liquid B；Dispersion liquid B is stood, directly
To sediment is formed, after filtering out liquid, sediment is obtained；Sediment is washed with deionized, will be surplus after draining ionized water
Remaining material air dry oven dries 3h under normal temperature, that is, completes oil removing to metal silver-coated copper powder, except oxide and table
The processing of face removal of impurities, obtains the clean simple metal silver-coated copper powder in surface；
Weigh following raw material respectively by mass percentage：High-temperature resin 48%, polyurethane modified resin 12%, trihydroxy methyl
Propane triacrylate 10%, NVP 24%, silane resin acceptor kh-550 3%, defoamer 2.7% and levelling
Agent 0.3%, above constituent content summation are 100%；By the high-temperature resin weighed, polyurethane modified resin, trimethylolpropane
Triacrylate, NVP, silane resin acceptor kh-550, defoamer and levelling agent mix, and stirring is equal
Organic carrier is obtained after even；Organic carrier is kept in dark place；
It is 25 in mass ratio：75 will be well mixed through the clean simple metal silver-coated copper powder in surface and organic carrier, obtain height
Warm polymer silver-coated copper powder electrocondution slurry；
Take size be 6cm × 4cm × 0.06 μm glass fabric, the glass fabric of acquirement is washed, with except
The oil and oxide on glass fabric surface are removed, obtains clean glass fabric；Mode of washing is：First glass fabric is soaked
Steep in being loaded with the supersonic wave cleaning machine of absolute ethyl alcohol, using ultrasonic cleaning 4min；Glass fabric is soaked in splendid attire again
Have in the supersonic wave cleaning machine of deionized water, using 4min is cleaned by ultrasonic, obtain clean glass fabric；By clean glass
Fiber cloth is put into drying box and dried, and obtains clean glass fabric；With bar spreader by high temperature polymer silver-coated copper powder
Electrocondution slurry is evenly applied on clean glass fabric；It is coated with the glass of high temperature polymer silver-coated copper powder electrocondution slurry
Fiber cloth is positioned in drying box and drying handles 20min under the conditions of 110 DEG C, obtains the silver-colored coated with high temperature polymer of drying
The glass fabric of copper-clad powder electrocondution slurry；The glass fabric of dry high temperature polymer silver-coated copper powder electrocondution slurry is taken
Go out, after placing 1.5h under normal temperature and pressure, obtain high-temperature electric conduction glass fabric.
Embodiment 4
It is 7 μm of micro-sized metal silver-coated copper powders to weigh average grain diameter, and the micro-sized metal silver-coated copper powder weighed is added
Into absolute ethyl alcohol, every gram of micro-sized metal silver-coated copper powder will add 5ml absolute ethyl alcohol, by the way of stirring, make micro-
Meter level metal silver-coated copper powder is tentatively distributed in absolute ethyl alcohol, forms dispersion liquid A；Dispersion liquid A is used into ultrasonic wave decentralized processing
9min, micro-sized metal silver-coated copper powder is further distributed into absolute ethyl alcohol, form dispersion liquid B；Dispersion liquid B is stood, directly
To sediment is formed, after filtering out liquid, sediment is obtained；Sediment is washed with deionized, will be surplus after draining ionized water
Remaining material air dry oven dries 2h under normal temperature, that is, completes oil removing to metal silver-coated copper powder, except oxide and table
The processing of face removal of impurities, obtains the clean simple metal silver-coated copper powder in surface；
Weigh following raw material respectively by mass percentage：High-temperature resin 50%, polyurethane modified resin 10%, trihydroxy methyl
Propane triacrylate 7%, NVP 27%, silane resin acceptor kh-550 3.5%, defoamer 2% and levelling
Agent 0.5%, above constituent content summation are 100%；By the high-temperature resin weighed, polyurethane modified resin, trimethylolpropane
Triacrylate, NVP, silane resin acceptor kh-550, defoamer and levelling agent mix, and stirring is equal
Organic carrier is obtained after even；Organic carrier is kept in dark place；
It is 30 in mass ratio：70 will be well mixed through the clean simple metal silver-coated copper powder in surface and organic carrier, obtain height
Warm polymer silver-coated copper powder electrocondution slurry；
Take size be 6cm × 4cm × 0.06 μm glass fabric, the glass fabric of acquirement is washed, with except
The oil and oxide on glass fabric surface are removed, obtains clean glass fabric；Mode of washing is：First glass fabric is soaked
Steep in being loaded with the supersonic wave cleaning machine of absolute ethyl alcohol, using ultrasonic cleaning 4min；Glass fabric is soaked in splendid attire again
Have in the supersonic wave cleaning machine of deionized water, using 4min is cleaned by ultrasonic, obtain clean glass fabric；By clean glass
Fiber cloth is put into drying box and dried, and obtains clean glass fabric；With bar spreader by high temperature polymer silver-coated copper powder
Electrocondution slurry is evenly applied on clean glass fabric；It is coated with the glass of high temperature polymer silver-coated copper powder electrocondution slurry
Fiber cloth is positioned in drying box and drying handles 20min under the conditions of 105 DEG C, obtains the silver-colored coated with high temperature polymer of drying
The glass fabric of copper-clad powder electrocondution slurry；The glass fabric of dry high temperature polymer silver-coated copper powder electrocondution slurry is taken
Go out, after placing 2h under normal temperature and pressure, obtain high-temperature electric conduction glass fabric.
The high-temperature electric conduction glass fabric prepared using a kind of preparation method of high-temperature electric conduction glass fabric of the present invention
Resistivity has good electric conductivity between 1.829~2.076.
A kind of preparation method of high-temperature electric conduction glass fabric of the present invention, high temperature sintering solidification is not required to, effectively reduces life
Produce cost and it is pollution-free, curing rate is fast；Not only electric conductivity is excellent for the high-temperature electric conduction glass fabric prepared, inoxidizability
Can good, high temperature resistant, can also deposit for a long time.
Claims (5)
1. a kind of preparation method of high-temperature electric conduction glass fabric, it is characterised in that specifically implement according to following steps：
Step 1, take micro-sized metal silver-coated copper powder, the micro-sized metal silver-coated copper powder of acquirement is carried out oil removing, except oxide with
And the processing of surface removal of impurities, the clean simple metal silver-coated copper powder in surface is obtained, is specifically implemented according to following steps：
Step 1.1, micro-sized metal silver-coated copper powder is weighed, and the micro-sized metal silver-coated copper powder weighed is added to absolute ethyl alcohol
In, every gram of micro-sized metal silver-coated copper powder will add 5ml~10ml absolute ethyl alcohol, by the way of stirring, make micron order
Metal silver-coated copper powder is tentatively distributed in absolute ethyl alcohol, forms dispersion liquid A；
Step 1.2, the dispersion liquid A formed in step 1.1 used into ultrasonic wave decentralized processing 8min~10min, make micron order golden
Category silver-coated copper powder is further distributed into absolute ethyl alcohol, forms dispersion liquid B；
Step 1.3, by the dispersion liquid B formed through step 1.2 stand, until formed sediment, after filtering out liquid, precipitated
Thing；
Step 1.4, the sediment obtained through step 1.3 is washed with deionized, after draining ionized water, remaining material is used
Drying plant is dried, that is, is completed oil removing to metal silver-coated copper powder, except the processing that oxide and surface clean, obtained surface and do
Net simple metal silver-coated copper powder；
The metal silver-coated copper powder obtained through step 1.3 will at least be washed with deionized three times；
The drying plant uses air dry oven；Air drying 2h~3h is used during drying；
Step 2, by high-temperature resin, polyurethane modified resin, trimethylolpropane trimethacrylate, NVP,
Stirred after silane resin acceptor kh-550, defoamer and levelling agent mixing, obtain organic carrier, and the organic carrier that will be obtained
It is kept in dark place, specifically implements according to following steps：
Step 2.1, weigh following raw material respectively by mass percentage：
High-temperature resin 45%~50%, polyurethane modified resin 10%~15%, trimethylolpropane trimethacrylate 6%~
10%th, NVP 24%~28%, silane resin acceptor kh-550 2%~5%, defoamer 0.1%~4% and
Levelling agent 0.3%~0.7%, above constituent content summation are 100%；
Step 2.2, first by the high-temperature resin weighed in step 2.1, polyurethane modified resin, trimethylolpropane tris acrylic acid
Ester, NVP, silane resin acceptor kh-550, defoamer and levelling agent mix, and then stir, i.e.,
Obtain organic carrier；
Step 2.3, the organic carrier obtained in step 2.2 is kept in dark place；
Step 3, the clean simple metal silver-coated copper powder in the surface obtained through step 1 and the organic carrier obtained through step 2 mixed
Uniformly, high temperature polymer silver-coated copper powder electrocondution slurry is obtained；
The mass ratio of the clean simple metal silver-coated copper powder in the surface and organic carrier is 25~35：65~75；
Step 4, glass fabric is taken, and oil removing is carried out to glass fabric and except oxide process, obtains clean glass fibers
Wei Bu；The high temperature polymer silver-coated copper powder electrocondution slurry obtained through step 3 is coated on clean glass fabric surface；It will apply
Cover high temperature polymer silver-coated copper powder electrocondution slurry glass fabric drying, obtain high-temperature electric conduction glass fabric, specifically according to
Following steps are implemented：
Step 4.1, glass fabric is taken, the glass fabric of acquirement is washed, to remove the oil on glass fabric surface
And oxide, obtain clean glass fabric；
Step 4.2, the clean glass fabric obtained through step 4.1 is put into drying box and dried, obtain clean glass
Fiber cloth；
Step 4.3, with bar spreader by the high temperature polymer silver-coated copper powder electrocondution slurry obtained through step 3 be evenly applied to through
On the clean glass fabric that step 4.2 obtains；
Step 4.4, the placement of the glass fabric coated with high temperature polymer silver-coated copper powder electrocondution slurry that will be obtained through step 4.3
Dried in drying box, obtain the glass fabric coated with high temperature polymer silver-coated copper powder electrocondution slurry of drying；
Step 4.5, after step 4.4, the glass fabric of dry high temperature polymer silver-coated copper powder electrocondution slurry is taken out, it
After placing 1.5h~2.5h under normal temperature and pressure, high-temperature electric conduction glass fabric is obtained.
A kind of 2. preparation method of high-temperature electric conduction glass fabric according to claim 1, it is characterised in that the micron
The average grain diameter of level metal silver-coated copper powder is 6 μm~10 μm.
A kind of 3. preparation method of high-temperature electric conduction glass fabric according to claim 1, it is characterised in that the step
Following steps are used in 4.1, during cleaning glass fiber cloth：
Glass fabric is soaked in the supersonic wave cleaning machine for being loaded with absolute ethyl alcohol, using ultrasonic cleaning 3min~5min；
It is soaked in after glass fabric after above-mentioned ultrasonic cleaning is taken out in the supersonic wave cleaning machine for being loaded with deionized water,
Using 3min~5min is cleaned by ultrasonic, clean glass fabric is obtained.
4. the preparation method of a kind of high-temperature electric conduction glass fabric according to claim 1 or 3, it is characterised in that described
The size of glass fabric is：6cm×4cm×0.06μm.
A kind of 5. preparation method of high-temperature electric conduction glass fabric according to claim 1, it is characterised in that the step
The condition of drying in 4.4 is specific as follows：
In 90 DEG C~110 DEG C conditions, 15min~25min is dried.
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| CN109880572A (en) * | 2019-01-29 | 2019-06-14 | 安徽天光传感器有限公司 | A kind of preparation method of sensor high-conductive heat-resistant conducting resinl |
| CN113192663B (en) * | 2021-04-25 | 2022-11-29 | 北京梦之墨科技有限公司 | Enhanced conductive paste and electronic device |
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| CN101935480A (en) * | 2010-09-29 | 2011-01-05 | 彩虹集团公司 | Conductive ink and preparation method thereof |
| CN203165483U (en) * | 2012-12-27 | 2013-08-28 | 山东富帅无辐射技术有限公司 | Electric conduction cloth made of electric conduction slurry |
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