CN106751827A - A kind of high-temperature-resistant antistatic material and preparation method thereof - Google Patents
A kind of high-temperature-resistant antistatic material and preparation method thereof Download PDFInfo
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- CN106751827A CN106751827A CN201710040226.8A CN201710040226A CN106751827A CN 106751827 A CN106751827 A CN 106751827A CN 201710040226 A CN201710040226 A CN 201710040226A CN 106751827 A CN106751827 A CN 106751827A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
It is a kind of tool material for producing use for electronic products the present invention relates to Electronic products manufacturing field, specially a kind of high-temperature-resistant antistatic material and preparation method thereof.A kind of high-temperature-resistant antistatic material, is mainly made by the following components according to percentage by weight：Brown iron oxide 15~25%；Graphite powder 10~15%；Carbon fiber 15~30%；Glass fibre 15~25%；Adhesive 25~45%.Adhesive is mainly made up of high-temperature resin and thermal curing agents, and the ratio of high-temperature resin and thermal curing agents is 10:1~1.5.Present invention also offers a kind of preparation method of high-temperature-resistant antistatic material, hot setting treatment is carried out after brown iron oxide, graphite powder, carbon fiber, glass fibre, adhesive are mixed, obtain high-temperature-resistant antistatic material.Present invention reduces the environmental pollution in forming process, the waste of material, low precision, efficiency technological deficiency, the tool of final molding also has the technique effect of high temperature resistant and antistatic.
Description
Technical field
It is a kind of tool material for producing use for electronic products the present invention relates to Electronic products manufacturing field, it is specially a kind of
High-temperature-resistant antistatic material and preparation method thereof.
Background technology
Tool is a kind of major class instrument, primarily as a kind of instrument for assisting control position or action.Traditional tool
All it is first to manufacture sheet material, then the product of final needs is formed by CNC lathe process.The process that this mode is processed has following
Shortcoming：1st, leftover pieces are more, waste of materials；2nd, machining accuracy is poor, produces mass discrepancy to be difficult to control to；3rd, inefficiency, it is necessary to
One-to-one processing, is not suitable for a large amount of and batch production；4th, processing produces a large amount of dust, and body and environment to processing staff are caused
A certain degree of loss.And using metal material traditional tool moulding material more, and the tool for passing through metal material moulding
When electronic product machining manufacture is carried out, can be because the having electronic attribute of metal produces electrostatic efficiency.So will result in electronics
Component is influenceed by extra electric field, and puncturing for electronic component can be caused when serious.
The content of the invention
It is an object of the invention to provide a kind of high-temperature-resistant antistatic material, the technology effect with high temperature resistant and antistatic
Really, and can realize by heat cure be molded.Using this kind of material be molded after for tool have antistatic, high temperature resistant, into
The good technique effect of type effect.
What the present invention was realized in：
A kind of high-temperature-resistant antistatic material, is mainly made by the following components according to percentage by weight：
Brown iron oxide 15~25%；Graphite powder 10~15%；Carbon fiber 15~30%；Glass fibre 15~25%；Bonding
Agent 25~45%；Adhesive is mainly made up of fire resistant resin and thermal curing agents, and fire resistant resin and thermal curing agents weight
Ratio is 10:1~1.5.
Present invention also offers a kind of preparation method of above-mentioned high-temperature-resistant antistatic material, comprise the following steps：
Mixed brown iron oxide, graphite powder, carbon fiber, glass fibre and adhesive are carried out into heat cure treatment.
The beneficial effect of such scheme：The invention provides a kind of high-temperature-resistant antistatic material, by material compositions
Plant addition carbon fiber and glass fibre realizes the anti-static effect of material, the resistance to height of material is realized by adding brown iron oxide
Temp effect, solves the technical problem for puncturing electric elements that traditional tool material is caused because of electrostatic, realizes high temperature resistant
With the technique effect of antistatic.The technology that material can just be molded by heat cure is realized by high-temperature resin and thermal curing agents
Effect.And the combination for passing through many kinds of substance, ensure that high-temperature-resistant antistatic material can realize the skill of high temperature resistant and antistatic
While art effect, the mechanical property of material is also enhanced, there is bending strength and mechanics higher compared with traditional material
Support performance.
Present invention also offers a kind of preparation method of high-temperature-resistant antistatic material, being molded by heat cure prevents high temperature resistant
The forming process of electrostatic material is relatively simple.Curing molding need not again do other treatment in only material need to being positioned over into mould
The tool that can be molded.With high precision, effect technique effect high, and reduce the waste of material and reduce ring
The pollution in border.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment
Condition person, the condition advised according to normal condition or manufacturer is carried out.Agents useful for same or the unreceipted production firm person of instrument, are
The conventional products that can be obtained by commercially available purchase.
High-temperature-resistant antistatic material below for the embodiment of the present invention and preparation method thereof is specifically described：
A kind of high-temperature-resistant antistatic material, is mainly made by the following components according to percentage by weight：
Brown iron oxide 15~25%；Graphite powder 10~15%；Carbon fiber 15~30%；Glass fibre 15~25%；Bonding
Agent 25~45%.
Adhesive in the present embodiment is mainly made up of fire resistant resin and thermal curing agents, and fire resistant resin and heat cure
The part by weight of agent is 10:1~1.5.
Brown iron oxide is the powdered material of iron oxide, it is common to use in various industrial circles, is the main of powder metallurgy
Base-material, for smelting various magnetic alloys and other high-grade alloy steels.Mixed through height by ferrous sulfate or iron oxide yellow or leftover bits and pieces iron
Temperature is calcined and obtained, or is directly made from liquid medium.The mesh number of the brown iron oxide in the present embodiment is 60~80 mesh, iron oxide
Powder accounts for the 15~25% of gross mass, more preferably 17~22%.The fineness of brown iron oxide it is unsuitable it is excessive also should not mistake
It is small, when ink powder diameter is excessive at that time, the uneven technological deficiency of dispersion is easily caused, make the high-temperature-resistant antistatic material of final molding
The individual surface of material contains that brown iron oxide is less, easily causes the technological deficiency of partial result difference.
Graphite powder is also known as carbon element of graphite, and matter is soft in black gray expandable.Graphite powder is the very sensitive material that chemically reacts, different
His resistivity of environment the inside can all become, and resistance value can become.But graphite powder is good non-metal conductive materials, in the thing of insulation
Keep graphite powder uninterrupted in vivo, can be also powered in the case of thin-line-shaped.And graphite powder has a heat-resisting quantity, graphite it is molten
Point is 3850 ± 50 DEG C, and boiling point is 4250 DEG C, even if through superhigh temperature electric arc calcination, the loss very little of weight, thermal coefficient of expansion
Very little.The thermal conductivity that graphite powder also has conductive and thermal conductivity, graphite powder exceedes the metal materials such as steel, iron, lead.And graphite powder
Thermal conductivity factor is raised and reduced with temperature, and at very high temperatures, graphite is into heat guard.The mesh number of the graphite powder in the present embodiment
It is 100~200 mesh, graphite powder accounts for the 10~15% of material gross mass, more preferably 11~14%.The thickness journey of graphite powder
Degree is unsuitable excessive also unsuitable too small, when graphite powder diameter is excessive, easily causes the uneven technological deficiency of dispersion, makes final molding
The individual surface of high-temperature-resistant antistatic material do not contain graphite, easily cause local anti-static effect poor.
Carbon fiber, is high intensity, the new fiber materials of high modulus fibre of a kind of phosphorus content more than 95%.By sheet
The organic fibers such as graphite microcrystal are piled up along fiber axial direction and are formed, through micro crystal graphite material obtained from carbonization and graphitization processing
Material.Carbon fiber has corrosion-resistant, high-modulus characteristic.The axial strength and modulus of carbon fiber are high, and density is low, higher than performance, nothing
Creep, superhigh temperature resistant under non-oxidizing atmosphere, fatigue durability is good, specific heat and electric conductivity between nonmetallic and metal between, thermal expansion
Coefficient is small and with anisotropy, and good corrosion resistance, X-ray transparent is good.With good electrical and thermal conductivity performance, electromagnetic shielding
Property it is good etc..Carbon fiber is not insoluble swollen in organic solvent, acid, alkali, and corrosion resistance is protruded.In the present embodiment, it is total that carbon fiber accounts for material
The 15~30% of quality, more preferably 20~25%.
Glass fibre is a kind of Inorganic Non-metallic Materials of excellent performance, with good insulating, heat resistance be strong, corrosion resistance
Well, high mechanical strength is preferential.It is mainly used in the reinforcing material being used as in composite, electrically insulating material and adiabatic heat-insulation material
The fields such as material, circuit substrate.The content of glass fibre accounts for the 15~25% of material gross mass in the present embodiment, more preferably
16~23%.
Glass fibre and carbon fiber in the present embodiment carry out collocation and use, and ensure that the electricity of high-temperature-resistant antistatic material
Cost is reduced while learning performance and mechanical property.Can be adjusted between glass fibre and carbon fiber according to different situations
Content is combined.
Adhesive is used for bonding in material between each component and fixed-type, and adhesive is main by resistance to height in the present embodiment
Warm resin and thermal curing agents are constituted, and fire resistant resin and the part by weight of thermal curing agents are 10:1~1.5.When thermal curing agents
During too high levels, the effect that solidification can be produced superfluous can cause the drop of the mechanical property of the high-temperature-resistant antistatic material after shaping
It is low.When the content of thermal curing agents is too low, the state of cure of high-temperature-resistant antistatic material can be caused low, in addition there is material cannot
The technological deficiency of shaping.
Fire resistant resin is widely used in the fields such as Aeronautics and Astronautics, electronics, machinery, is played in the production and living of the mankind
Important effect.At present, conventional fire resistant resin has epoxy resin, bimaleimide resin, polyimide resin, poly- virtue
Alkynes resin.Fire resistant resin in the present embodiment is bimaleimide resin.
Curing agent also known as curing agent, curing agent or set agent, are class enhancement or material or the mixing of control curing reaction
Thing.Resin solidification is chemically reacted by condensation, closed loop, addition or catalysis etc., makes thermosetting resin that irreversible change to occur
Process, solidification is completed by adding solidification (crosslinking) agent.Thermal curing agents in the present embodiment include including thermal curing agents
Any one or more in ethylenediamine, triamine, many ethene, polyamines, more preferably ethylenediamine.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
Mixed brown iron oxide, graphite powder, carbon fiber, glass fibre and adhesive are carried out into heat cure treatment.
The method of mixed oxidization iron powder, graphite powder, carbon fiber, glass fibre and adhesive includes：
Brown iron oxide, graphite powder, adhesive are scattered in solvent and obtain slurry, slurry is scattered in by carbon fiber, glass
On the fibrofelt of glass fiber composition.
Further, the method that brown iron oxide, graphite powder and adhesive are scattered in solvent is included：
First fire resistant resin is dissolved in solvent, curing agent, graphite powder is added, brown iron oxide is stirred makes its point
Dissipate, obtain slurry.
Further, the method that slurry is scattered in the fibrofelt being made up of carbon fiber, glass fibre is included：
Slurry is uniformly coated on fibrofelt.
Further, the method for the fibrofelt that heat cure treatment is coated with slurry includes：Fibrofelt in 130~150 DEG C, 5
Under conditions of~8MPa solidify 2 minutes, then be warming up to 230 DEG C, 7~9MPa solidify 1 minute, pressurize is cooled to less than 100 DEG C.This
Segmented heating curing is used in embodiment, by two kinds of selections of temperature, makes the solidification effect of fibrofelt more excellent, be molded
Effect is more preferable, it is ensured that the high-temperature-resistant antistatic material after shaping has mechanical property higher.
It is preferred that in the present embodiment solvent include toluene, acetone, ethyl acetate in any one or a few.Further
, solvent selects acetone in the present embodiment.The consumption selection of the solvent in the present embodiment can as the case may be, the amount of solvent
Can reach and be completely dissolved in wherein fire resistant resin, curing agent, graphite powder, brown iron oxide.
The composing method of the fibrofelt in the present embodiment can also be able to be for carbon fiber is overlapped to combine with glass fibre
Carbon fiber is spliced and combined with glass fibre.Preferably stack combinations, i.e. outer layer are that carbon fiber internal layer is glass fibre.
It is also selectable before heat cure treatment is coated with the fibrofelt of slurry to carry out precuring treatment, that is, it is coated with
The fibrofelt of slurry is placed in vacuum drying oven, is vacuumized and is allowed solvent fully to volatilize, and reduces the influence that solvent is processed heat cure.In advance
Solidify for by the solvent discharge in slurry, reducing solvent for the influence in high-temperature-resistant antistatic material forming process.But
Because the effect by heating can also discharge solvent in the curing process, and solvent reality and it is not involved in the mistake of curing molding
Journey.So, precuring can alternatively be added.To the heat-resisting quantity of the high-temperature-resistant antistatic material after final molding
Can not have substantial influence with antistatic performance cloth.
Below in conjunction with to be embodiment make to high-temperature-resistant antistatic material of the invention and preparation method thereof it is further in detail
Description.
Embodiment 1
A kind of high-temperature-resistant antistatic material is made up of following components by weight percentage：Brown iron oxide 20%, graphite powder
10%th, carbon fiber 20%, glass fibre 20%, adhesive 30%, wherein adhesive are made up of fire resistant resin and thermal curing agents,
Wherein fire resistant resin accounts for the 27.2% of gross mass, and thermal curing agents account for the 2.8% of gross mass.
In the present embodiment, the gross mass of high-temperature-resistant antistatic material is 100kg, then brown iron oxide quality is 20kg, graphite
Silty amount is 10kg, and carbon fiber quality is 20kg, and glass fiber quality is 20kg, and fire resistant resin quality is 27.2kg, thermosetting
Agent quality is 2.8kg.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
First fire resistant resin 27.2kg is dissolved in solvent, then adds thermal curing agents 2.8kg, graphite powder in a solvent
10kg, brown iron oxide 20kg and being stirred disperses it, obtain slurry.By slurry coating in by carbon fiber 20kg, glass fibers
On the fibrofelt of dimension 20kg compositions.Fibrofelt is placed in carries out heat cure treatment in mould, solid under conditions of 130 DEG C, 5MPa
Change 2min, then solidify 1min under the conditions of mould is warming up into 230 DEG C, 7MPa, keep that mould inner pressure is constant to reduce temperature to 100
Below DEG C, mould unloading obtains high-temperature-resistant antistatic material.
Embodiment 2
A kind of high-temperature-resistant antistatic material is made up of following components by weight percentage：Brown iron oxide 15%, graphite powder
15%th, carbon fiber 20%, glass fibre 20%, adhesive 30%, wherein adhesive are made up of fire resistant resin and thermal curing agents,
Wherein fire resistant resin accounts for the 26.1% of gross mass, and thermal curing agents account for the 3.9% of gross mass.
In the present embodiment, the gross mass of high-temperature-resistant antistatic material is 100kg, then brown iron oxide quality is 15kg, graphite
Silty amount is 15kg, and carbon fiber quality is 20kg, and glass fiber quality is 20kg, and fire resistant resin quality is 26.1kg, thermosetting
Agent quality is 3.9kg.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
First fire resistant resin 26.1kg is dissolved in solvent, then adds thermal curing agents 3.9kg, graphite powder in a solvent
15kg, brown iron oxide 15kg and being stirred disperses it, obtain slurry.By slurry coating in by carbon fiber 20kg, glass fibers
On the fibrofelt of dimension 20kg compositions.Fibrofelt is placed in carries out heat cure treatment in mould, solid under conditions of 130 DEG C, 5MPa
Change 2min, then solidify 1min under the conditions of mould is warming up into 230 DEG C, 7MPa, keep that mould inner pressure is constant to reduce temperature to 100
Below DEG C, mould unloading obtains high-temperature-resistant antistatic material.
Embodiment 3
A kind of high-temperature-resistant antistatic material is made up of following components by weight percentage：Brown iron oxide 25%, graphite powder
10%th, carbon fiber 15%, glass fibre 25%, adhesive 30%, wherein adhesive are made up of fire resistant resin and thermal curing agents,
Wherein fire resistant resin accounts for the 27.2% of gross mass, and thermal curing agents account for the 2.8% of gross mass.
In the present embodiment, the gross mass of high-temperature-resistant antistatic material is 100kg, then brown iron oxide quality is 25kg, graphite
Silty amount is 10kg, and carbon fiber quality is 15kg, and glass fiber quality is 25kg, and fire resistant resin quality is 27.2kg, thermosetting
Agent quality is 2.8kg.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
First fire resistant resin 27.2kg is dissolved in solvent, then adds thermal curing agents 2.8kg, graphite powder in a solvent
10kg, brown iron oxide 25kg and being stirred disperses it, obtain slurry.By slurry coating in by carbon fiber 15kg, glass fibers
On the fibrofelt of dimension 25kg compositions.Fibrofelt is placed in carries out heat cure treatment in mould, solid under conditions of 140 DEG C, 7MPa
Change 2min, then solidify 1min under the conditions of mould is warming up into 230 DEG C, 9MPa, keep that mould inner pressure is constant to reduce temperature to 100
Below DEG C, mould unloading obtains high-temperature-resistant antistatic material.
Embodiment 4
A kind of high-temperature-resistant antistatic material is made up of following components by weight percentage：Brown iron oxide 18%, graphite powder
12%th, carbon fiber 30%, glass fibre 15%, adhesive 25%, wherein adhesive are made up of fire resistant resin and thermal curing agents,
Wherein fire resistant resin accounts for the 22.8% of gross mass, and thermal curing agents account for the 2.2% of gross mass.
In the present embodiment, the gross mass of high-temperature-resistant antistatic material is 100kg, then brown iron oxide quality is 18kg, graphite
Silty amount is 12kg, and carbon fiber quality is 30kg, and glass fiber quality is 15kg, and fire resistant resin quality is 22.8kg, thermosetting
Agent quality is 2.2kg.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
First fire resistant resin 22.8kg is dissolved in solvent, then adds thermal curing agents 2.2kg, graphite powder in a solvent
12kg, brown iron oxide 18kg and being stirred disperses it, obtain slurry.By slurry coating in by carbon fiber 30kg, glass fibers
On the fibrofelt of dimension 15kg compositions.Fibrofelt is placed in carries out heat cure treatment in mould, solid under conditions of 150 DEG C, 5MPa
Change 2min, then solidify 1min under the conditions of mould is warming up into 230 DEG C, 7MPa, keep that mould inner pressure is constant to reduce temperature to 100
Below DEG C, mould unloading obtains high-temperature-resistant antistatic material.
Embodiment 5
A kind of high-temperature-resistant antistatic material is made up of following components by weight percentage：Brown iron oxide 15%, graphite powder
10%th, carbon fiber 15%, glass fibre 15%, adhesive 45%, wherein adhesive are made up of fire resistant resin and thermal curing agents,
Wherein fire resistant resin accounts for the 40.9% of gross mass, and thermal curing agents account for the 4.1% of gross mass.
In the present embodiment, the gross mass of high-temperature-resistant antistatic material is 100kg, then brown iron oxide quality is 15kg, graphite
Silty amount is 10kg, and carbon fiber quality is 15kg, and glass fiber quality is 15kg, and fire resistant resin quality is 40.9kg, thermosetting
Agent quality is 4.1kg.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
First fire resistant resin 40.9kg is dissolved in solvent, then adds thermal curing agents 4.1kg, graphite powder in a solvent
10kg, brown iron oxide 15kg and being stirred disperses it, obtain slurry.By slurry coating in by carbon fiber 15kg, glass fibers
On the fibrofelt of dimension 15kg compositions.Fibrofelt is placed in carries out heat cure treatment in mould, solid under conditions of 140 DEG C, 6MPa
Change 2min, then solidify 1min under the conditions of mould is warming up into 230 DEG C, 8MPa, keep that mould inner pressure is constant to reduce temperature to 100
Below DEG C, mould unloading obtains high-temperature-resistant antistatic material.
Embodiment 6
A kind of high-temperature-resistant antistatic material is made up of following components by weight percentage：Brown iron oxide 15%, graphite powder
10%th, carbon fiber 15%, glass fibre 15%, adhesive 45%, wherein adhesive are made up of fire resistant resin and thermal curing agents,
Wherein fire resistant resin accounts for the 40.9% of gross mass, and thermal curing agents account for the 4.1% of gross mass.
In the present embodiment, the gross mass of high-temperature-resistant antistatic material is 100kg, then brown iron oxide quality is 15kg, graphite
Silty amount is 10kg, and carbon fiber quality is 15kg, and glass fiber quality is 15kg, and fire resistant resin quality is 39.2kg, thermosetting
Agent quality is 5.8kg.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
First fire resistant resin 39.2kg is dissolved in solvent, then adds thermal curing agents 5.8kg, graphite powder in a solvent
10kg, brown iron oxide 15kg and being stirred disperses it, obtain slurry.By slurry coating in by carbon fiber 15kg, glass fibers
On the fibrofelt of dimension 15kg compositions.Fibrofelt is placed in carries out heat cure treatment in mould, solid under conditions of 150 DEG C, 8MPa
Change 2min, then solidify 1min under the conditions of mould is warming up into 230 DEG C, 9MPa, keep that mould inner pressure is constant to reduce temperature to 100
Below DEG C, mould unloading obtains high-temperature-resistant antistatic material.
Embodiment 7
A kind of high-temperature-resistant antistatic material is made up of following components by weight percentage：Brown iron oxide 20%, graphite powder
10%th, carbon fiber 20%, glass fibre 20%, adhesive 30%, wherein adhesive are made up of fire resistant resin and thermal curing agents,
Wherein fire resistant resin accounts for the 27.2% of gross mass, and thermal curing agents account for the 2.8% of gross mass.
In the present embodiment, the gross mass of high-temperature-resistant antistatic material is 100kg, then brown iron oxide quality is 20kg, graphite
Silty amount is 10kg, and carbon fiber quality is 20kg, and glass fiber quality is 20kg, and fire resistant resin quality is 27.2kg, thermosetting
Agent quality is 2.8kg.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
First fire resistant resin 27.2kg is dissolved in solvent, then adds thermal curing agents 2.8kg, graphite powder in a solvent
10kg, brown iron oxide 20kg and being stirred disperses it, obtain slurry.By slurry coating in by carbon fiber 20kg, glass fibers
On the fibrofelt of dimension 20kg compositions.Fibrofelt is placed in 20min is vacuumized in vacuum drying oven, then fibrofelt is placed in mould
Row heat cure is processed, and solidifies 2min under conditions of 130 DEG C, 5MPa, then is solidified under the conditions of mould is warming up into 230 DEG C, 7MPa
1min, keeps the constant temperature that reduces of mould inner pressure to less than 100 DEG C, and mould unloading obtains high-temperature-resistant antistatic material.
Embodiment 8
A kind of high-temperature-resistant antistatic material is made up of following components by weight percentage：Brown iron oxide 18%, graphite powder
12%th, carbon fiber 30%, glass fibre 15%, adhesive 25%, wherein adhesive are made up of fire resistant resin and thermal curing agents,
Wherein fire resistant resin accounts for the 22.8% of gross mass, and thermal curing agents account for the 2.2% of gross mass.
In the present embodiment, the gross mass of high-temperature-resistant antistatic material is 100kg, then brown iron oxide quality is 18kg, graphite
Silty amount is 12kg, and carbon fiber quality is 30kg, and glass fiber quality is 15kg, and fire resistant resin quality is 22.8kg, thermosetting
Agent quality is 2.2kg.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
First fire resistant resin 22.8kg is dissolved in solvent, then adds thermal curing agents 2.2kg, graphite powder in a solvent
12kg, brown iron oxide 18kg and being stirred disperses it, obtain slurry.By slurry coating in by carbon fiber 30kg, glass fibers
On the fibrofelt of dimension 15kg compositions.Fibrofelt is placed in 25min is vacuumized in vacuum drying oven, then fibrofelt is placed in mould
Row heat cure is processed, then fibrofelt is placed in heat cure treatment is carried out in mould, and 2min is solidified under conditions of 150 DEG C, 5MPa,
Solidify 1min under the conditions of mould is warming up into 230 DEG C, 7MPa again, keep the constant temperature that reduces of mould inner pressure to less than 100 DEG C,
Mould unloading obtains high-temperature-resistant antistatic material.
Embodiment 9
A kind of high-temperature-resistant antistatic material is made up of following components by weight percentage：Brown iron oxide 15%, graphite powder
10%th, carbon fiber 15%, glass fibre 15%, adhesive 45%, wherein adhesive are made up of fire resistant resin and thermal curing agents,
Wherein fire resistant resin accounts for the 40.9% of gross mass, and thermal curing agents account for the 4.1% of gross mass.
In the present embodiment, the gross mass of high-temperature-resistant antistatic material is 100kg, then brown iron oxide quality is 15kg, graphite
Silty amount is 10kg, and carbon fiber quality is 15kg, and glass fiber quality is 15kg, and fire resistant resin quality is 39.2kg, thermosetting
Agent quality is 5.8kg.
The preparation method of above-mentioned high-temperature-resistant antistatic material, comprises the following steps：
First fire resistant resin 39.2kg is dissolved in solvent, then adds thermal curing agents 5.8kg, graphite powder in a solvent
10kg, brown iron oxide 15kg and being stirred disperses it, obtain slurry.By slurry coating in by carbon fiber 15kg, glass fibers
On the fibrofelt of dimension 15kg compositions.Fibrofelt is placed in 30min is vacuumized in vacuum drying oven, then fibrofelt is placed in mould
Row heat cure is processed, and solidifies 2min under conditions of 150 DEG C, 8MPa, then is solidified under the conditions of mould is warming up into 230 DEG C, 9MPa
1min, keeps the constant temperature that reduces of mould inner pressure to less than 100 DEG C, and mould unloading obtains high-temperature-resistant antistatic material.
Test example 1
The sheet resistance of the high-temperature-resistant antistatic material of embodiment 1~9 is surveyed by MCP-HT260 types resistivity tester
；The bending strength of the high-temperature-resistant antistatic material in embodiment 1~9 is surveyed by 3 four point bending strength testers of PT-307
.As shown in table 1, the main performance that obtained high-temperature-resistant antistatic material in embodiment 1~9 has been arranged in table 1 refers to test result
Mark.
Table 1
Required according to anti-static product standard, the sheet resistance of electrostatic dissipation section bar material is 106Ω~109Ω.It is of the invention real
The sheet resistance for applying the high-temperature-resistant antistatic material in example 1~9 is 106Ω~108Ω, the then high temperature resistant that embodiment 1~9 is provided
Antistatic material has anti-static effect.
The bending strength of the present embodiment 1~9 shows the high-temperature-resistant antistatic that embodiment 1~9 is provided between 362~410
Material has good mechanical property.
Water absorption rate in embodiment 1~9 is respectively less than 0.2%, illustrates that embodiment 1~9 has good water-resistance, is difficult to receive
To the corrosion of moisture.
Additionally, high temperature test is carried out to the high-temperature-resistant antistatic material that embodiment 1~9 is provided, embodiment 1~9 after tested
In high-temperature-resistant antistatic material in 350 DEG C of short-period useds 20 seconds, 260 DEG C can long-term use, in illustrating embodiment 1~9
High-temperature-resistant antistatic material has good resistant to elevated temperatures technique effect.
Technique effect according to more than, the high-temperature-resistant antistatic material that the present invention is provided is applicable to each in SMT harness
Item process, may be used primarily for making SMT pallet tools, and with following function：
Support thin base or flexible circuit board；Can be used for the substrate of irregular external form；Many connecting plates can be carried to improve life
Yield.
Although illustrate and describing the present invention with specific embodiment, but will be appreciated that without departing substantially from of the invention
Many other changes and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all technical schemes in the scope of the invention.
Claims (10)
1. a kind of high-temperature-resistant antistatic material, it is characterised in that be mainly made by the following components according to percentage by weight：
Brown iron oxide 15~25%；Graphite powder 10~15%；Carbon fiber 15~30%；Glass fibre 15~25%；Adhesive 25
~45%；
Described adhesive is mainly made up of fire resistant resin and thermal curing agents, and the fire resistant resin and the thermal curing agents
Part by weight is 10:1~1.5.
2. high-temperature-resistant antistatic material according to claim 1, it is characterised in that main by percentage by weight
Following components is made：
The brown iron oxide 17~22%；The graphite powder 11~14%；The carbon fiber 20~25%；The glass fibre 16
~23%；Described adhesive 30~35%.
3. high-temperature-resistant antistatic material according to claim 1, it is characterised in that the thermal curing agents include ethylenediamine,
Any one or more in triamine, many ethene, polyamines.
4. high-temperature-resistant antistatic material according to claim 1 and 2, it is characterised in that the mesh number of the brown iron oxide is
60~80 mesh；The mesh number of the graphite powder is 100~200 mesh.
5. a kind of preparation method of the high-temperature-resistant antistatic material described in Claims 1 to 4 any one, it is characterised in that bag
Include：The mixed brown iron oxide, the graphite powder, the carbon fiber, the glass fibre and described adhesive are entered
Row heat cure is processed.
6. the preparation method of high-temperature-resistant antistatic material according to claim 5, it is characterised in that
Mix the method bag of the brown iron oxide, the graphite powder, the carbon fiber, the glass fibre and described adhesive
Include：
The brown iron oxide, the graphite powder and described adhesive are scattered in solvent and obtain slurry, by the slurry point
Dissipate in the fibrofelt being made up of the carbon fiber, the glass fibre.
7. the preparation method of high-temperature-resistant antistatic material according to claim 6, it is characterised in that by the iron oxide
The method that powder, the graphite powder and described adhesive are scattered in solvent includes：
First the fire resistant resin is dissolved in the solvent, the thermal curing agents, the graphite powder, the iron oxide is added
Powder is stirred disperses it, obtains the slurry.
8. the preparation method of high-temperature-resistant antistatic material according to claim 7, it is characterised in that be scattered in the slurry
The method of the fibrofelt being made up of the carbon fiber, the glass fibre includes：The slurry is uniformly coated on institute
State fibrofelt.
9. the preparation method of high-temperature-resistant antistatic material according to claim 8, it is characterised in that
The method of the fibrofelt that heat cure treatment is coated with the slurry includes：The fibrofelt in 130~150 DEG C, 5~
Under conditions of 8MPa solidify 2 minutes, then be warming up to 230 DEG C, 7~9MPa solidify 1 minute, pressurize is cooled to less than 100 DEG C.
10. the preparation method of high-temperature-resistant antistatic material according to claim 6, it is characterised in that the solvent includes
Any one or a few in toluene, acetone, ethyl acetate.
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| CN109370396A (en) * | 2018-08-31 | 2019-02-22 | 王雪峰 | A kind of preparation method of high intensity radiation shielding coating |
| CN109575520A (en) * | 2018-11-15 | 2019-04-05 | 浙江华正新材料股份有限公司 | A kind of jig plate of antistatic and preparation method thereof |
| GB2574037A (en) * | 2018-05-23 | 2019-11-27 | Paul Pomeroy Jason | Glass fibre composition |
| CN114454449A (en) * | 2021-12-28 | 2022-05-10 | 深圳市顺进科技有限公司 | PPS engineering plastic jig manufacturing process capable of replacing metal material jig |
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