CN109206841A - A kind of high-strength abrasion-proof aromatic series composite material and preparation method and application - Google Patents
A kind of high-strength abrasion-proof aromatic series composite material and preparation method and application Download PDFInfo
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- CN109206841A CN109206841A CN201810160935.4A CN201810160935A CN109206841A CN 109206841 A CN109206841 A CN 109206841A CN 201810160935 A CN201810160935 A CN 201810160935A CN 109206841 A CN109206841 A CN 109206841A
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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
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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
- C08K3/28—Nitrogen-containing compounds
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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
- C08K3/34—Silicon-containing compounds
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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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C08K7/10—Silicon-containing compounds
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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
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention relates to Material Field, in particular to a kind of high-strength abrasion-proof aromatic series composite material and preparation method and application.The composite material includes 65-85 parts of aromatic polymer, 5-20 parts of ceramic packing, 10-30 parts of fiber.The present invention, as matrix resin, effectively improves mechanical property, thermal stability, corrosion resistance of product etc. using aromatic polymers such as polyether-ketone, polyether sulfone, polyether-ether-ketones.By the way that ceramic packing is added in aromatic polymer matrix, the thermal coefficient of product not only can be improved, while product strength can also be improved, makes it have wear-resisting, high rigidity, fire-retardant, the advantages such as ageing-resistant and environmentally friendly.Convenient formation of the present invention; it is simple and efficient; it can one-pass molding; it can also be used for secondary operation; product design freedom degree is high; suitable for large-scale production, the problems such as shell, the casing assembly intensity for having well solved existing electronic product, wearable device or household electrical appliance is low, difference of hardness, not fire-retardant, shielded signal.
Description
Technical field
The present invention relates to Material Field, in particular to the preparation of high-intensitive, wear-resisting aromatic series composite material.
Background technique
With the development of process for manufacturing electronic product, the material of manufacture electronic product casing also proposed and more want
Ask, at present make electronic product casing material requirements have intensity height, good stability of the dimension, appearance is good, texture is good, hardness
High, wear-resisting, ageing-resistant, signal transmits the features such as unobstructed.In the prior art, the enclosure material of electronic product be typically chosen metal,
Plastics or glass.Have the advantages that texture is good, intensity is high using electronic product casing prepared by metal material, but it exists
Cost is high, it is not easy to be processed, have the defects of signal shielding, and not easy coloring, complex process, production effect during following process
Rate is low, there is the problems such as pollution environment in production process, so being difficult to occupy advantage on the market.The electricity of glass and ceramic making
Sub- product casing brittleness is big, hardly possible is processed, yield rate is low, frangible, there is sharp corners after broken, and can be used as lethal weapon use, there is peace
Full hidden danger.And common plastics production electronic product casing it is cheap, it is easy to process, be easy coloring, good insulating, to signal
Influence small, and forming method is simple, can be completed by injection molding and compression moulding, high production efficiency can be mass-produced, institute
Relatively high with occupation rate in the market, still, existing common plastics material electronic product casing intensity is low, difference of hardness, no
Fire-retardant, not ageing-resistant, shielding property is poor, and heating conduction is poor, and there is also problem of environmental pollutions.CN104974513A is disclosed
It is a kind of that moulding article xanthochromia characteristic improved as the composition of matrix resin using polyamide, although it is provided for moulding article
New selection, but the design feature of polyamide itself causes its tensile strength, impact strength to be highly prone to the shadow of temperature and humidity
It rings, stability is poor, while can not meet environmental requirement in polyamide production process mainly using benzene, dimethylbenzene as solvent.
So current electronic product casing material is unable to satisfy the higher requirement in market.Therefore, this field need it is a kind of it is at low cost,
The composite material of intensity height, not shielded signal, to meet the development in Electronic products manufacturing field.
Summary of the invention
To make up the deficiencies in the prior art, the present invention provides a kind of high-strength abrasion-proof aromatic series composite material and its preparation side
Method and application.The product of aromatic series composite material preparation of the present invention can be solved in the prior art simultaneously using metal, plastics, glass
Material bring difficult processing has the problems such as low signal shielding, intensity, poor thermal conductivity, has excellent comprehensive performance, is 5G signal
Gospel.
The invention adopts the following technical scheme:
A kind of high-strength abrasion-proof aromatic series composite material, the component including following mass fraction: aromatic polymer 65-85
Part, 5-20 part of ceramic packing, 10-30 parts of fiber, wherein the aromatic polymer be PEEK, PPEK, PEK, PEKK, PEKC,
One or more of PEI, PES, PSU or PPSU.
Preferably, 70 parts of the aromatic polymer, 10 parts of ceramic packing, 20 parts of fiber.
Preferably, the ceramic packing is aluminum oxide, magnesia, aluminium nitride, silica, silicon carbide, oxidation
One or more of zirconium.
Preferably, the fiber is one or both of glass fibre, carbon fiber, quartz fibre, whisker or aramid fiber
More than.
It preferably, can also be steady including plasticizer, colorant, heat in above-mentioned high-strength abrasion-proof aromatic series composite material component
Determine one or more of agent, lubricant, antistatic agent, antioxidant or fire retardant.
Second purpose of the invention is that the preparation method of above-mentioned high-strength abrasion-proof aromatic series composite material is claimed, specifically
The following steps are included:
S1. by aromatic polymer, ceramic packing with high mixer mixed at high speed 10-30 minutes；
S2. the step S1 material mixed is put into extruder, fiber is added on extruder, carried out in 340-390 DEG C
Then extruding pelletization is dried, high-strength abrasion-proof aromatic series composite material is obtained.
Third purpose of the present invention is the new application that above-mentioned high-strength abrasion-proof aromatic series composite material is claimed, that is, is used for
Plastic products are prepared, are especially used to prepare shell, the casing assembly of electronic product, wearable device or household electrical appliance, preferably
, shell or casing assembly for portable electronic product, with communication function electronic product, such as mobile phone, tablet computer, pen
Remember the outer of this computer, wrist-watch, camera, the playing device for music or video, navigation device or other electronic storage devices
Shell or casing assembly.
4th purpose of the invention be claimed above-mentioned high-strength abrasion-proof aromatic series composite material prepare electronic product, can
The method of the shell of wearable device or household electrical appliance, casing assembly, specifically includes the following steps:
S1. by aromatic polymer, ceramic packing with high mixer mixed at high speed 10-30 minutes；
S2. the step S1 material mixed is put into extruder, fiber is added on extruder, carried out in 340-390 DEG C
Then extruding pelletization is dried, high-strength abrasion-proof aromatic series composite material is obtained；
S3. shell or casing assembly are obtained in 300-400 DEG C of progress injection molding using particle obtained by step S2.
Further, in the step S3,180-250 DEG C of mold temperature, injection pressure 100-150MPa, dwell pressure
110-160MPa。
The present invention provides a kind of high-strength abrasion-proof aromatic series composite material and preparation method and application, using polyether-ketone,
The aromatic polymers such as polyether sulfone, polyether-ether-ketone effectively improve the mechanical property of product, thermal stability, resistance to as matrix resin
Corrosivity etc..By the way that ceramic packing is added in aromatic polymer matrix, the thermal coefficient of product not only can be improved, make to make
Shell, the casing assembly of standby electronic product, wearable device or household electrical appliance have excellent heat radiation, while can also improve
Product strength makes it have wear-resisting, high rigidity, fire-retardant, the advantages such as ageing-resistant and environmentally friendly.Convenient formation of the present invention simultaneously, simply
It efficiently, can one-pass molding, it can also be used to which secondary operation, product design freedom degree is high, is suitable for large-scale production, well solves
Existing electronic product, the shell of wearable device or household electrical appliance, casing assembly intensity is low, difference of hardness, not fire-retardant, shielding letter
Number the problems such as.
Specific embodiment
The present invention is described in detail below by specific embodiment, but is not limited the scope of the invention.Unless otherwise specified, originally
Experimental method used by inventing is conventional method, and experiment equipment used, material, reagent etc. can be obtained from commercial channel.
Embodiment 1
By mass fraction:
70 parts of PEEK
10 parts of silicon carbide
20 parts of glass fibre
Forming method:
PEEK and silicon carbide filler are subjected to mixed at high speed 15 minutes with high mixer, mixture is put into extruder hopper
In, extruder temperature is set as 380 DEG C, engine speed 10r/min, rate of feeding 20r/min, glass fibre in an extruder between
Position is added, and mutually shears, is added in matrix by screw rod, obtain long fibre, extruded stock silk is cut to obtain particle.
Particle is placed in temperature and sets 150 DEG C of air dry oven, drying time 3 hours.For making mobile phone shell, after drying
Particle carries out injection molding, injection-mold process parameter: 385 DEG C of temperature of injection molding machine setting, and 220 DEG C of mold temperature, injection pressure
120MPa, dwell pressure 130MPa.
The injecting products of the present embodiment, are sampled, performance test, and test data is as follows: tensile strength 150.2MPa, curved
Qu Qiangdu 200.8MPa, thermal coefficient 0.621Wm-1·k-1。
Embodiment 2
By mass fraction:
70 parts of PEKC
20 parts of silicon carbide
10 parts of glass fibre
Forming method:
PEKC and silicon carbide filler are subjected to mixed at high speed 15 minutes with high mixer, mixture is put into extruder hopper
In, extruder temperature is set as 390 DEG C, engine speed 10r/min, rate of feeding 20r/min, glass fibre in an extruder between
Position is added, and mutually shears, is added in matrix by screw rod, obtain long fibre, extruded stock silk is cut to obtain particle.
Particle is placed in temperature and sets 120 DEG C of air dry oven, drying time 16 hours.For making mobile phone shell, after drying
Particle carry out injection molding, injection-mold process parameter: injection molding machine be arranged 390 DEG C of temperature, 180 DEG C of mold temperature, injection pressure
Power 100MPa, dwell pressure 110MPa.
The injecting products of the present embodiment, are sampled, performance test, and test data is as follows: tensile strength 138.2MPa, curved
Qu Qiangdu 228.7MPa, thermal coefficient 0.536Wm-1·k-1。
Embodiment 3
By mass fraction:
70 parts of PPEK
5 parts of aluminium nitride
25 parts of glass fibre
Forming method:
PPEK and nitridation Al filler are subjected to mixed at high speed 15 minutes with high mixer, mixture is put into extruder hopper
In, extruder temperature is set as 380 DEG C, engine speed 10r/min, rate of feeding 15r/min, glass fibre in an extruder between
Position is added, and mutually shears, is added in matrix by screw rod, obtain long fibre, extruded stock silk is cut to obtain particle.
Particle is placed in temperature and sets 150 DEG C of air dry oven, drying time 3 hours.For making mobile phone shell, after drying
Particle carries out injection molding, injection-mold process parameter: 385 DEG C of temperature of injection molding machine setting, and 220 DEG C of mold temperature, injection pressure
110MPa, dwell pressure 120MPa.
The injecting products of the present embodiment, are sampled, performance test, and test data is as follows: tensile strength 145.5MPa, curved
Qu Qiangdu 198.4MPa, thermal coefficient 0.551Wm-1·k-1。
Embodiment 4
By mass fraction:
70 parts of PPSU
5 parts of silica
25 parts of quartz fibre
Forming method:
PPSU and silica filler are subjected to mixed at high speed 15 minutes with high mixer, mixture is put into extruder hopper
In, extruder temperature is set as 390 DEG C, engine speed 10r/min, rate of feeding 15r/min, quartz fibre in an extruder between
Position is added, and mutually shears, is added in matrix by screw rod, extruded stock silk is cut to obtain particle.Particle is placed in temperature
The air dry oven of 150 DEG C of degree setting, drying time 3 hours.For making mobile phone shell, the particle after drying is molded
Molding, injection-mold process parameter: 390 DEG C of temperature of injection molding machine setting, 250 DEG C of mold temperature, injection pressure 120MPa, pressure maintaining pressure
Power 130MPa.
The injecting products of the present embodiment, are sampled, performance test, and test data is as follows: tensile strength 153.5MPa, curved
Qu Qiangdu 208.4MPa, thermal coefficient 0.605Wm-1·k-1。
Embodiment 5
By mass fraction:
70 parts of PSU
5 parts of aluminum oxide
25 parts of carbon fiber
Forming method:
PSU and aluminum oxide filler are subjected to mixed at high speed 15 minutes with high mixer, mixture is put into extruder material
In bucket, extruder temperature is set as 380 DEG C, engine speed 10r/min, rate of feeding 15r/min, carbon fiber in an extruder between
Position is added, and mutually shears, is added in matrix by screw rod, extruded stock silk is cut to obtain particle.Particle is placed in temperature
The air dry oven of 150 DEG C of degree setting, drying time 3 hours.For making mobile phone shell, the particle after drying is molded
Molding, injection-mold process parameter: 385 DEG C of temperature of injection molding machine setting, 240 DEG C of mold temperature, injection pressure 120MPa, pressure maintaining pressure
Power 130MPa.
The injecting products of the present embodiment, are sampled, performance test, and test data is as follows: tensile strength 148.5MPa, curved
Qu Qiangdu 196.8MPa, thermal coefficient 0.623Wm-1·k-1。
The preferable specific embodiment of the above, only the invention, but the protection scope of the invention is not
It is confined to this, anyone skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection scope it
It is interior.
Claims (10)
1. a kind of high-strength abrasion-proof aromatic series composite material, which is characterized in that the component including following mass fraction: fragrant adoption
Close object 65-85 part, 5-20 parts of ceramic packing, 10-30 parts of fiber, wherein the aromatic polymer be PEEK, PPEK, PEK,
One or more of PEKK, PEKC, PEI, PES, PSU or PPSU.
2. composite material according to claim 1, which is characterized in that the ceramic packing is aluminum oxide, oxidation
One or more of magnesium, aluminium nitride, silica, silicon carbide or zirconium oxide.
3. composite material according to claim 1, which is characterized in that the fiber is glass fibre, carbon fiber, quartz
One or more of fiber, whisker or aramid fiber.
4. composite material according to claim 1, which is characterized in that the high-strength abrasion-proof aromatic series composite material group
It further include one or both of plasticizer, colorant, heat stabilizer, lubricant, antistatic agent, antioxidant or fire retardant in part
More than.
5. a kind of preparation method of high-strength abrasion-proof aromatic series composite material as described in claim 1, which is characterized in that specific
The following steps are included:
S1. by aromatic polymer, ceramic packing with high mixer mixed at high speed 10-30 minutes；
S2. the step S1 material mixed is put into extruder, fiber is added on extruder, is squeezed out in 340-390 DEG C
It is granulated, then dries, obtain high-strength abrasion-proof aromatic series composite material.
6. the purposes of high-strength abrasion-proof aromatic series composite material as described in claim 1, which is characterized in that be used to prepare electronics
Product, the shell of wearable device or household electrical appliance, casing assembly.
7. purposes according to claim 6, which is characterized in that be used to prepare portable electronic product, there is communication function
Shell, the casing assembly of electronic product.
8. purposes according to claim 6, which is characterized in that be used to prepare mobile phone, tablet computer, laptop, hand
Table, camera, the playing device for music or video, navigation device or electronic storage device shell or casing assembly.
9. preparing electronic product, wearable device or family using high-strength abrasion-proof aromatic series composite material described in claim 1
The shell of electrical appliance, casing assembly method, which is characterized in that specifically includes the following steps:
S1. by aromatic polymer, ceramic packing with high mixer mixed at high speed 10-30 minutes；
S2. the step S1 material mixed is put into extruder, fiber is added on extruder, is squeezed out in 340-390 DEG C
It is granulated, then dries, obtain high-strength abrasion-proof aromatic series composite material；
S3. shell or casing assembly are obtained in 300-400 DEG C of progress injection molding using particle obtained by step S2.
10. according to the method described in claim 9, it is characterized in that, 180-250 DEG C of mold temperature, being injected in the step S3
Pressure 100-150MPa, dwell pressure 110-160MPa.
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Cited By (6)
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| CN110669340A (en) * | 2019-10-21 | 2020-01-10 | 晋江瑞碧科技有限公司 | PPSU/PTFE/TPEE wear-resistant high-impact-resistant resin composition and preparation method and application thereof |
| CN111100460A (en) * | 2019-12-30 | 2020-05-05 | 上海普利特伴泰材料科技有限公司 | Color-matching conductive polysulfone material and preparation method thereof |
| CN112852156A (en) * | 2019-11-12 | 2021-05-28 | 四川威琦尔智能科技有限公司 | Formula and preparation method of missile box shell material |
| CN113929351A (en) * | 2020-06-29 | 2022-01-14 | 比亚迪股份有限公司 | Imitation ceramic material and preparation method and application thereof |
| WO2022257605A1 (en) * | 2021-06-08 | 2022-12-15 | Oppo广东移动通信有限公司 | Housing and preparation method therefor, and electronic device |
| WO2022262376A1 (en) * | 2021-06-18 | 2022-12-22 | Oppo广东移动通信有限公司 | Ceramic composite material and preparation method therefor, housing, and electronic device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110669340A (en) * | 2019-10-21 | 2020-01-10 | 晋江瑞碧科技有限公司 | PPSU/PTFE/TPEE wear-resistant high-impact-resistant resin composition and preparation method and application thereof |
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| CN111100460A (en) * | 2019-12-30 | 2020-05-05 | 上海普利特伴泰材料科技有限公司 | Color-matching conductive polysulfone material and preparation method thereof |
| CN113929351A (en) * | 2020-06-29 | 2022-01-14 | 比亚迪股份有限公司 | Imitation ceramic material and preparation method and application thereof |
| WO2022257605A1 (en) * | 2021-06-08 | 2022-12-15 | Oppo广东移动通信有限公司 | Housing and preparation method therefor, and electronic device |
| WO2022262376A1 (en) * | 2021-06-18 | 2022-12-22 | Oppo广东移动通信有限公司 | Ceramic composite material and preparation method therefor, housing, and electronic device |
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Application publication date: 20190115 |