CN109627681A - A kind of environmentally friendly graphene interior material of automobile and preparation method thereof - Google Patents
A kind of environmentally friendly graphene interior material of automobile and preparation method thereof Download PDFInfo
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- CN109627681A CN109627681A CN201811537949.XA CN201811537949A CN109627681A CN 109627681 A CN109627681 A CN 109627681A CN 201811537949 A CN201811537949 A CN 201811537949A CN 109627681 A CN109627681 A CN 109627681A
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of environmentally friendly graphene interior materials of automobile, it is composed of the following raw materials by weight: calcium acetylacetonate 0.7-1, saturation 18 carbamide 1-3, stannous sulfide 0.1-0.2, graphene oxide 10-14, fibre modification wax 6-9, polyether-ether-ketone 100-120, hydroxy propyl methacrylate 2-4, material of the invention is particularly suitable for automotive interior material, the feature of environmental protection is good, and comprehensive performance is superior.
Description
Technical field
The invention belongs to Material Fields, and in particular to a kind of environmentally friendly graphene interior material of automobile and its preparation side
Method.
Background technique
Since polyether-ether-ketone PEEK has excellent comprehensive performance, metal, ceramics etc. can be substituted in many special dimensions
Traditional material.The high temperature resistants of the plastics, self-lubricating, wear-resistant and antifatigue etc. characteristics, make current most popular high property
One of energy engineering plastics, it is mainly used in the fields such as aerospace, auto industry, electric and medical instrument.Aviation boat
Its field polyether-ether-ketone PEEK can be processed into various high-precision airplane components, due to its hydrolysis, corrosion-resistant and anti-flammability
Can be good, it can be processed into the inside/outside component of aircraft and many components of rocket engine.Automobile manufacture polyether-ether-ketone PEEK is always
It is successfully used to auto manufacturing, since it has good crocking resistance, metal (including stainless steel, titanium) manufacture can be substituted
Engine inner cover, automobile bearing, sealing element and brake block etc..Industrial circle polyether-ether-ketone PEEK is due to good mechanical
Energy, high temperature resistant, abrasion performance, and can be high pressure resistant, it is commonly used to manufacture compressor valve plate, piston ring, sealing element etc..Medical instrument polyethers
Ether ketone PEEK can be subjected to 3000 circulation high pressure sterilizations at 134 DEG C, this characteristic is able to satisfy sterilizing and requires height, needs Reusability
Operation and dental equipment manufacture, in addition its creep resistant and hydrolytic resistance, can be manufactured with it needs each of high-temperature steam sterilization
Kind medical instrument.Significantly PEEK is nontoxic, light, corrosion-resistant, be with the immediate material of skeleton, therefore can adopt
Metal manufacturer's body bone is replaced with PEEK.Insulating materials PEEK is severe in high temperature, high humidity etc. because having excellent electric property
Under the conditions of, the insulation performance of polyether-ether-ketone is still able to maintain, and is ideal electrically insulating material, is especially obtained in the semiconductor industry
It is widely applied.It is a kind of model engineering plastic, can be used as high temperature structural materials and electrically insulating material, it can be with glass fibre or carbon
Fiber composite prepares reinforcing material；
Currently, with the continuous improvement of people's living standards, the requirement for interior gadget is also higher and higher, especially for interior
The feature of environmental protection, fire line of gadget material etc. have fairly obvious requirement, and therefore, the object of the invention is to answer polyether-ether-ketone
For inside gadget material, to improve the quality of traditional inside gadget material.
Summary of the invention
The object of the present invention is to provide environmentally friendly graphene interior materials of a kind of automobile and preparation method thereof.
To achieve the above object, the invention adopts the following technical scheme:
A kind of environmentally friendly graphene interior material of automobile, it is composed of the following raw materials by weight:
Calcium acetylacetonate 0.7-1,18 carbamide 1-3 of saturation, stannous sulfide 0.1-0.2, graphene oxide 10-14, fiber change
Property wax 6-9, polyether-ether-ketone 100-120, hydroxy propyl methacrylate 2-4.
What the fibre modification wax was made of the raw material of following weight parts:
Methylcellulose 16-20, palm wax 40-50, alkylolamides 1-2, pyromellitic acid anhydride 10-13, ammonium persulfate
0.3-0.4, silane coupling agent kh550 3-5,8-hydroxyquinoline 1-2.
The preparation method of the fibre modification wax, comprising the following steps:
(1) silane coupling agent kh550,8-hydroxyquinoline mixing are taken, is added in the dehydrated alcohol of 10-14 times of mixture weight,
It stirs evenly, palm wax is added, increasing temperature is 55-60 DEG C, and insulated and stirred 1-2 hours, ethyl alcohol is distilled off, obtains modified palm
Wax；
(2) ammonium persulfate is taken, is added in the deionized water of 35-50 times of its weight, stirs evenly；
(3) take methylcellulose, pyromellitic acid anhydride mixing, stir evenly, be added to 14-20 times of mixture weight go from
It in sub- water, stirs evenly, is sent in reaction kettle, be passed through nitrogen, adjusting temperature of reaction kettle is 70-75 DEG C, and ammonium persulfate is added
Aqueous solution, insulated and stirred 4-6 hours, discharging cooling obtained fibre-forming polymer lotion；
(4) above-mentioned modified palm wax is taken, is added in above-mentioned fibre-forming polymer lotion, alkylolamides are added, ultrasonic 20-30 divides
Clock filters, filter cake is washed, dry to get the fibre modification wax.
Drying temperature described in step (4) is 40-45 DEG C, and drying time is 10-13 hours.
A kind of preparation method of the environmentally friendly graphene interior material of automobile, comprising the following steps:
(1) calcium acetylacetonate is taken, is added in the dehydrated alcohol of 13-20 times of its weight, stirs evenly, 18 phosphinylidynes of saturation are added
Amine, increasing temperature is 55-60 DEG C, insulated and stirred 30-40 minutes, obtains alcohol dispersion liquid；
(2) graphene oxide is taken, is added in the deionized water of 40-50 times of its weight, it is 10-20 minutes ultrasonic, obtain graphene point
Dispersion liquid；
(3) above-mentioned alcohol dispersion liquid, graphene dispersing solution mixing are taken, stirs evenly, fibre modification wax is added, stirs evenly, filter,
Precipitating is washed, air drying obtains modified graphene；
(4) above-mentioned modified graphene is taken, mixes, stirs evenly with hydroxy propyl methacrylate, stannous sulfide, polyether-ether-ketone, send
Enter into extruder, melting extrusion, it is cooling to get the environmentally friendly graphene interior material.
Advantages of the present invention:
For the present invention first using methylcellulose as dopant, pyromellitic acid anhydride is monomer, polymerize under initiator effect, obtains
To fibre-forming polymer lotion, amino silane modified palm wax is then used, with fibre-forming polymer emulsion blending, passes through amino and acid
Reaction, obtain fibre modification wax, graphene oxide is distributed in water by the present invention, is blended, is modified with fibre modification wax
Graphene, can not only improve the surface-active of graphene, but also can be improved between graphene and polyether-ether-ketone matrix
Dispersion performance, improve the toughness and intensity of finished-product material；Material of the invention is used particularly suitable for automotive interior material
Polyether-ether-ketone is primary raw material, and with good tensile strength, elongation at break, and anti-flammability is strong, and the feature of environmental protection is good, comprehensive
It can be superior.
Specific embodiment
Embodiment 1
A kind of environmentally friendly graphene interior material of automobile, it is composed of the following raw materials by weight:
Calcium acetylacetonate 0.7, saturation 18 carbamides 1, stannous sulfide 0.2, graphene oxide 10, fibre modification wax 6, polyethers ether
Ketone 100, hydroxy propyl methacrylate 2.
What the fibre modification wax was made of the raw material of following weight parts:
Methylcellulose 16, palm wax 40, alkylolamides 1, pyromellitic acid anhydride 10, ammonium persulfate 0.3, silane coupling agent
Kh550 3,8-hydroxyquinoline 1.
The preparation method of the fibre modification wax, comprising the following steps:
(1) silane coupling agent kh550,8-hydroxyquinoline mixing are taken, is added in 10 times of mixture weight of dehydrated alcohol, stirs
Uniformly, palm wax is added, increasing temperature is 55 DEG C, and insulated and stirred 1 hour, ethyl alcohol is distilled off, obtains modified palm wax；
(2) ammonium persulfate is taken, is added in the deionized water of 35 times of its weight, stirs evenly；
(3) methylcellulose, pyromellitic acid anhydride mixing are taken, stirs evenly, is added to 14 times of mixture weight of deionization
It in water, stirs evenly, is sent in reaction kettle, be passed through nitrogen, adjusting temperature of reaction kettle is 70 DEG C, and it is water-soluble that ammonium persulfate is added
Liquid, insulated and stirred 4 hours, discharging cooling obtained fibre-forming polymer lotion；
(4) above-mentioned modified palm wax is taken, is added in above-mentioned fibre-forming polymer lotion, alkylolamides are added, it is 20 minutes ultrasonic,
It filters, filter cake is washed, it is dry to get the fibre modification wax.
Drying temperature described in step (4) is 40 DEG C, and drying time is 10 hours.
A kind of preparation method of the environmentally friendly graphene interior material of automobile, comprising the following steps:
(1) calcium acetylacetonate is taken, is added in the dehydrated alcohol of 13 times of its weight, stirs evenly, 18 carbamides of saturation are added,
Increasing temperature is 55 DEG C, insulated and stirred 30- minutes, obtains alcohol dispersion liquid；
(2) graphene oxide is taken, is added in the deionized water of 40 times of its weight, ultrasound 10 minutes obtains graphene dispersing solution；
(3) above-mentioned alcohol dispersion liquid, graphene dispersing solution mixing are taken, stirs evenly, fibre modification wax is added, stirs evenly, filter,
Precipitating is washed, air drying obtains modified graphene；
(4) above-mentioned modified graphene is taken, mixes, stirs evenly with hydroxy propyl methacrylate, stannous sulfide, polyether-ether-ketone, send
Enter into extruder, melting extrusion, it is cooling to get the environmentally friendly graphene interior material.
Embodiment 2
A kind of environmentally friendly graphene interior material of automobile, it is composed of the following raw materials by weight:
Calcium acetylacetonate 1, saturation 18 carbamides 3, stannous sulfide 0.2, graphene oxide 14, fibre modification wax 9, polyether-ether-ketone
120, hydroxy propyl methacrylate 4.
What the fibre modification wax was made of the raw material of following weight parts:
Methylcellulose 20, palm wax 50, alkylolamides 2, pyromellitic acid anhydride 13, ammonium persulfate 0.4, silane coupling agent
Kh550 5,8-hydroxyquinoline 2.
The preparation method of the fibre modification wax, comprising the following steps:
(1) silane coupling agent kh550,8-hydroxyquinoline mixing are taken, is added in 14 times of mixture weight of dehydrated alcohol, stirs
Uniformly, palm wax is added, increasing temperature is 60 DEG C, and insulated and stirred 2 hours, ethyl alcohol is distilled off, obtains modified palm wax；
(2) ammonium persulfate is taken, is added in the deionized water of 30 times of its weight, stirs evenly；
(3) methylcellulose, pyromellitic acid anhydride mixing are taken, stirs evenly, is added to 20 times of mixture weight of deionization
It in water, stirs evenly, is sent in reaction kettle, be passed through nitrogen, adjusting temperature of reaction kettle is 75 DEG C, and it is water-soluble that ammonium persulfate is added
Liquid, insulated and stirred 6 hours, discharging cooling obtained fibre-forming polymer lotion；
(4) above-mentioned modified palm wax is taken, is added in above-mentioned fibre-forming polymer lotion, alkylolamides are added, it is 30 minutes ultrasonic,
It filters, filter cake is washed, it is dry to get the fibre modification wax.
Drying temperature described in step (4) is 45 DEG C, and drying time is 13 hours.
A kind of preparation method of the environmentally friendly graphene interior material of automobile, comprising the following steps:
(1) calcium acetylacetonate is taken, is added in the dehydrated alcohol of 20 times of its weight, stirs evenly, 18 carbamides of saturation are added,
Increasing temperature is 60 DEG C, insulated and stirred 40 minutes, obtains alcohol dispersion liquid；
(2) graphene oxide is taken, is added in the deionized water of 50 times of its weight, ultrasound 20 minutes obtains graphene dispersing solution；
(3) above-mentioned alcohol dispersion liquid, graphene dispersing solution mixing are taken, stirs evenly, fibre modification wax is added, stirs evenly, filter,
Precipitating is washed, air drying obtains modified graphene；
(4) above-mentioned modified graphene is taken, mixes, stirs evenly with hydroxy propyl methacrylate, stannous sulfide, polyether-ether-ketone, send
Enter into extruder, melting extrusion, it is cooling to get the environmentally friendly graphene interior material.
Performance test:
The environmentally friendly graphene interior material of the embodiment of the present invention 1:
Impact strength (notch) 85J/m
Elongation at break 161%
Bending strength 159MPa
Tensile strength 114MPa
Anti-flammability (UL94) V-0；
The environmentally friendly graphene interior material of the embodiment of the present invention 2:
Impact strength (notch) 91J/m
Elongation at break 164%
Bending strength 166MPa
Tensile strength 120MPa
Anti-flammability (UL94) V-0.
Claims (5)
1. a kind of environmentally friendly graphene interior material of automobile, which is characterized in that it is composed of the following raw materials by weight:
Calcium acetylacetonate 0.7-1,18 carbamide 1-3 of saturation, stannous sulfide 0.1-0.2, graphene oxide 10-14, fiber change
Property wax 6-9, polyether-ether-ketone 100-120, hydroxy propyl methacrylate 2-4.
2. a kind of environmentally friendly graphene interior material of automobile according to claim 1, which is characterized in that the fiber
Modified waxes are made of the raw material of following weight parts:
Methylcellulose 16-20, palm wax 40-50, alkylolamides 1-2, pyromellitic acid anhydride 10-13, ammonium persulfate
0.3-0.4, silane coupling agent kh550 3-5,8-hydroxyquinoline 1-2.
3. a kind of environmentally friendly graphene interior material of automobile according to claim 2, which is characterized in that the fiber
The preparation method of modified waxes, comprising the following steps:
(1) silane coupling agent kh550,8-hydroxyquinoline mixing are taken, is added in the dehydrated alcohol of 10-14 times of mixture weight,
It stirs evenly, palm wax is added, increasing temperature is 55-60 DEG C, and insulated and stirred 1-2 hours, ethyl alcohol is distilled off, obtains modified palm
Wax；
(2) ammonium persulfate is taken, is added in the deionized water of 35-50 times of its weight, stirs evenly；
(3) take methylcellulose, pyromellitic acid anhydride mixing, stir evenly, be added to 14-20 times of mixture weight go from
It in sub- water, stirs evenly, is sent in reaction kettle, be passed through nitrogen, adjusting temperature of reaction kettle is 70-75 DEG C, and ammonium persulfate is added
Aqueous solution, insulated and stirred 4-6 hours, discharging cooling obtained fibre-forming polymer lotion；
(4) above-mentioned modified palm wax is taken, is added in above-mentioned fibre-forming polymer lotion, alkylolamides are added, ultrasonic 20-30 divides
Clock filters, filter cake is washed, dry to get the fibre modification wax.
4. a kind of environmentally friendly graphene interior material of automobile according to claim 3, which is characterized in that in step (4)
The drying temperature is 40-45 DEG C, and drying time is 10-13 hours.
5. a kind of preparation method of the environmentally friendly graphene interior material of automobile as described in claim 1, which is characterized in that including
Following steps:
(1) calcium acetylacetonate is taken, is added in the dehydrated alcohol of 13-20 times of its weight, stirs evenly, 18 phosphinylidynes of saturation are added
Amine, increasing temperature is 55-60 DEG C, insulated and stirred 30-40 minutes, obtains alcohol dispersion liquid；
(2) graphene oxide is taken, is added in the deionized water of 40-50 times of its weight, it is 10-20 minutes ultrasonic, obtain graphene point
Dispersion liquid；
(3) above-mentioned alcohol dispersion liquid, graphene dispersing solution mixing are taken, stirs evenly, fibre modification wax is added, stirs evenly, filter,
Precipitating is washed, air drying obtains modified graphene；
(4) above-mentioned modified graphene is taken, mixes, stirs evenly with hydroxy propyl methacrylate, stannous sulfide, polyether-ether-ketone, send
Enter into extruder, melting extrusion, it is cooling to get the environmentally friendly graphene interior material.
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| CN201811537949.XA CN109627681A (en) | 2018-12-16 | 2018-12-16 | A kind of environmentally friendly graphene interior material of automobile and preparation method thereof |
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| CN201811537949.XA CN109627681A (en) | 2018-12-16 | 2018-12-16 | A kind of environmentally friendly graphene interior material of automobile and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375289A (en) * | 2020-10-22 | 2021-02-19 | 广西特斯途汽车科技有限公司 | Anti-collision new energy automobile charging pile shell and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012049121A1 (en) * | 2010-10-12 | 2012-04-19 | Solvay Sa | Polymer compositions comprising poly(arylether ketone)s and graphene materials |
| CN105754288A (en) * | 2016-03-07 | 2016-07-13 | 吉林大学 | Polyether-ether-ketone wear resistant composite material, preparation method and application thereof in mechanical polishing retaining rings |
| CN106349658A (en) * | 2016-08-22 | 2017-01-25 | 广东纳路纳米科技有限公司 | Three-dimensional graphene modification-based plastic composite material and preparation thereof |
| CN107523023A (en) * | 2017-08-15 | 2017-12-29 | 湖南七纬科技有限公司 | A kind of graphene polyester sound-absorbing material and preparation method thereof |
| CN108276765A (en) * | 2018-01-30 | 2018-07-13 | 温州市赢创新材料技术有限公司 | A kind of intercalated graphite alkene composite anti-corrosive bamboo moulding material and preparation method thereof |
| CN108773843A (en) * | 2018-09-05 | 2018-11-09 | 四川力智久创知识产权运营有限公司 | A kind of method of modifying improving graphene oxide and polyetheretherketonematerials materials compatibility |
-
2018
- 2018-12-16 CN CN201811537949.XA patent/CN109627681A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012049121A1 (en) * | 2010-10-12 | 2012-04-19 | Solvay Sa | Polymer compositions comprising poly(arylether ketone)s and graphene materials |
| CN105754288A (en) * | 2016-03-07 | 2016-07-13 | 吉林大学 | Polyether-ether-ketone wear resistant composite material, preparation method and application thereof in mechanical polishing retaining rings |
| CN106349658A (en) * | 2016-08-22 | 2017-01-25 | 广东纳路纳米科技有限公司 | Three-dimensional graphene modification-based plastic composite material and preparation thereof |
| CN107523023A (en) * | 2017-08-15 | 2017-12-29 | 湖南七纬科技有限公司 | A kind of graphene polyester sound-absorbing material and preparation method thereof |
| CN108276765A (en) * | 2018-01-30 | 2018-07-13 | 温州市赢创新材料技术有限公司 | A kind of intercalated graphite alkene composite anti-corrosive bamboo moulding material and preparation method thereof |
| CN108773843A (en) * | 2018-09-05 | 2018-11-09 | 四川力智久创知识产权运营有限公司 | A kind of method of modifying improving graphene oxide and polyetheretherketonematerials materials compatibility |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375289A (en) * | 2020-10-22 | 2021-02-19 | 广西特斯途汽车科技有限公司 | Anti-collision new energy automobile charging pile shell and preparation method thereof |
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