CN109721992A - High-strength lightweight composite material is used in a kind of manufacture of new-energy automobile body outer skin - Google Patents
High-strength lightweight composite material is used in a kind of manufacture of new-energy automobile body outer skin Download PDFInfo
- Publication number
- CN109721992A CN109721992A CN201811551888.2A CN201811551888A CN109721992A CN 109721992 A CN109721992 A CN 109721992A CN 201811551888 A CN201811551888 A CN 201811551888A CN 109721992 A CN109721992 A CN 109721992A
- Authority
- CN
- China
- Prior art keywords
- new
- energy automobile
- composite material
- component
- outer skin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention relates to technical field of composite materials, more particularly to a kind of new-energy automobile body outer skin manufacture high-strength lightweight composite material, it is prepared by component A and component B, the weight ratio of the component A and component B is 60-80:1, the constituent of the following weight percent of component A: PC 30-50%, ABS 10-18%, PBT 4-8%, modified carbon nano-tube 15-25%, reinforcement filler 5-15%, dispersing agent 4-8%, compatilizer 0.5-4%, foaming agent 0.5-2%, accelerant CZ 0.1-0.5%, the component B is TDI curing agent, composite material items excellent in mechanical performance of the present invention, density is small, hardness is high, the manufacture of new-energy automobile body outer skin is suitable as to use, with great society and economy Benefit.
Description
Technical field
The present invention relates to technical field of composite materials, and in particular to a kind of manufacture of new-energy automobile body outer skin is with high-strength
Light composite material.
Background technique
New-energy automobile refer to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel,
Using new vehicle-mounted power plant), the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle elder generation of formation
Into, the automobile with new technology, new construction.
Currently, being exactly its cruising ability to the maximum restraining factors of new-energy automobile, the continuation of the journey energy of new-energy automobile is improved
Generally there are two methods for power: first is the capacity for increasing battery, the other is reducing the weight of new-energy automobile.
, steel and aluminum alloy materials be the most widely used material in new-energy automobile vehicle body.For new-energy automobile
Speech, 100 kilograms of loss of weight can increase 10% of endurance distance or so, in addition can reduce cost by loss of weight.Because of automobile
Vehicle body is light, so that it may the weight saving of battery.If this present battery is said cost and calculated with capacity, one kilowatt is probably
At 2 thousand to three thousand yuan, battery cost is reduced by loss of weight, new-energy automobile cost problem can be solved to a certain extent.
Compared with steel, aluminium alloy, novel composite density has 20% to 30% advantage, and has more nonmetallic
Than more typical feature, for example, it is corrosion-resistant, and in addition there are very high intensity and hardness, and composite material is applied to new energy vapour
The manufacture of vehicle body outer skin, is the research hotspot of current automobile industry.
Summary of the invention
The object of the present invention is to provide a kind of new-energy automobile body outer skin manufacture high-strength lightweight composite materials.
Core of the invention content is as follows:
A kind of new-energy automobile body outer skin manufacture high-strength lightweight composite material, by component A and component B preparation
At the weight ratio of the component A and component B are 60-80:1, the constituent of the following weight percent of component A: PC 30-
50%, ABS10-18%, PBT 4-8%, modified carbon nano-tube 15-25%, reinforcement filler 5-15%, dispersing agent 4-8%, compatible
Agent 0.5-4%, foaming agent 0.5-2%, accelerant CZ 0.1-0.5%, the component B are TDI curing agent.
Preferably, the modified carbon nano-tube the preparation method comprises the following steps: carbon nanotube is added in ethanol water, 40-
50 DEG C of ultrasonic vibration 2-5h, obtain uniform solution, then silane coupling agent is added into solution, the ultrasonic reaction at 500W, 60 DEG C
5h, vacuum filtration are washed to neutral, freeze-drying.
Preferably, the mass concentration of ethanol water is 60-80%.
Preferably, the silane coupling agent is vinyltriethoxysilane, vinyltrimethoxysilane, beta-methoxy second
Oxygroup) silane, γ-methacryloxypropyl trimethoxy silane, any one in isobutyl triethoxy silane.
Preferably, the reinforcement filler is 400-600 mesh Aluminate activating fly ash microballon.
Preferably, the Aluminate activating fly ash microballon the preparation method comprises the following steps: by 400-600 mesh fly ash micro-sphere in height
It is heated to 100-120 DEG C in fast mixing machine, atoleine and aluminate coupling agent is added after 20-40min, is warming up to 140 DEG C, mixes
Close 3-5h.
Preferably, the dispersing agent is aromatic vinyl monomer or vinyl monomer multiple copolymer.
Preferably, the compatilizer is BY-R60 or BY-Z2.
Preferably, the foaming agent by alkyl glycosides, hydroxypropyl methyl cellulose, polyethylene glycol, polyvinyl alcohol by weight
It is mixed than 10:1:1:1.
Above-mentioned new-energy automobile body outer skin manufacture high-strength lightweight composite material, preparation method includes following step
It is rapid:
(1) PC, ABS, PBT are added in double screw extruder, 0.4-0.8MPa, 140-160 DEG C of heating is kneaded 40-
After 60min, then by modified carbon nano-tube, reinforcement filler, dispersing agent, compatilizer addition, continue to be expressed into after being kneaded 20-30min
In high temperature mixing machine, 180 DEG C of addition foaming agents are warming up to, accelerant CZ, TDI curing agent is added after reacting 2-5h, stirs evenly,
Obtain molten liquid；
(2) molten liquid is injected into die casting die, 8-15MPa, 120-140 DEG C of compression moulding naturally cools to
Room temperature obtains embryo material；
(3) embryo material is put into baking oven, is warming up to 60-80 DEG C, keep the temperature air-cooled outlet after 5-10h.
Beneficial effects of the present invention are as follows:
PC is a kind of tough thermoplastic resin, and tool is high-intensitive and coefficient of elasticity, high impact, ABS have preferable
The processing fluidity of PC can be improved in mechanical stability and surface hardness, higher toughness and shock resistance, the addition of ABS,
The strand of PBT contains the phenyl and polar ester group of aliphatic group flexible, rigidity, and it is rigid that main chain, which is by each repetitive unit,
Property the saturated linear molecular composition that connects of phenyl ring and flexible fatty alcohol, the height geometrical regularity and rigid element of molecule make
Polymer has high mechanical strength, and wherein aliphatic group can increase is modified with the compatibility of PC, ABS, reduction crystal property
Carbon nanotube forms network section structure, improves the intensity and hardness of composite material as matrix skeleton, and after being modified, table
Face combines upper many-OH ,-COOH, preferably disperses in PC, ABS, and can be with Aluminate activating fly ash microballon
Preferably connection avoids Aluminate activating fly ash microballon intercalation, and brittleness increases, and composite material items mechanical property of the present invention is excellent
More, density is small, and hardness is high, is suitable as the manufacture of new-energy automobile body outer skin and uses, has great social and economic benefit.
Specific embodiment
Embodiment 1
A kind of new-energy automobile body outer skin manufacture high-strength lightweight composite material, by component A and component B preparation
It is 65:1 at, the weight ratio of the component A and component B, the constituent of the following weight percent of component A: PC 35%,
ABS12%, PBT 6%, modified carbon nano-tube 20%, 500 mesh Aluminate activating fly ash microballons 12%, aromatic ethenyl list
Body 5%, BY-Z2 0.8%, foaming agent 1%, accelerant CZ 0.2%, the component B are TDI curing agent.
Modified carbon nano-tube the preparation method comprises the following steps: by carbon nanotube be added to mass concentration be 65% ethanol water
In, 45 DEG C of ultrasonic vibration 2.5h obtain uniform solution, then vinyltriethoxysilane is added into solution, in 500W, 60 DEG C
Lower ultrasonic reaction 5h, vacuum filtration are washed to neutral, freeze-drying.
Aluminate activating fly ash microballon the preparation method comprises the following steps: 500 mesh fly ash micro-spheres are heated in a high speed mixer
To 110 DEG C, atoleine and aluminate coupling agent are added after 35min, is warming up to 140 DEG C, mixes 3.5h.
Foaming agent is mixed by alkyl glycosides, hydroxypropyl methyl cellulose, polyethylene glycol, polyvinyl alcohol by weight 10:1:1:1
It closes.
Above-mentioned new-energy automobile body outer skin manufacture high-strength lightweight composite material, preparation method includes following step
It is rapid:
(1) PC, ABS, PBT are added in double screw extruder, 0.5MPa, after 150 DEG C of heating are kneaded 45min, then will
Modified carbon nano-tube, 500 mesh Aluminate activating fly ash microballons, aromatic vinyl monomer, BY-Z2 are added, and continue to be kneaded
It is expressed into after 25min in high temperature mixing machine, is warming up to 180 DEG C of addition foaming agents, accelerant CZ, TDI solidification is added after reacting 4h
Agent stirs evenly, and obtains molten liquid；
(2) molten liquid is injected into die casting die, 12MPa, 130 DEG C of compression mouldings, cooled to room temperature obtains
To embryo material；
(3) embryo material is put into baking oven, is warming up to 65 DEG C, keep the temperature air-cooled outlet after 8h.
Embodiment 2
A kind of new-energy automobile body outer skin manufacture high-strength lightweight composite material, by component A and component B preparation
It is 60:1 at, the weight ratio of the component A and component B, the constituent of the following weight percent of component A: PC40%,
ABS12%, PBT 4%, modified carbon nano-tube 18%, 400 mesh Aluminate activating fly ash microballons 5%, vinyl monomer are polynary
Copolymer 5%, BY-R60 2%, foaming agent 1.5%, accelerant CZ 0.1%, the component B are TDI curing agent.
Modified carbon nano-tube the preparation method comprises the following steps: by carbon nanotube be added to mass concentration be 75% ethanol water
In, 50 DEG C of ultrasonic vibration 5h obtain uniform solution, then vinyltrimethoxysilane is added into solution, at 500W, 60 DEG C
Ultrasonic reaction 5h, vacuum filtration are washed to neutral, freeze-drying.
Aluminate activating fly ash microballon the preparation method comprises the following steps: 600 mesh fly ash micro-spheres are heated in a high speed mixer
To 105 DEG C, atoleine and aluminate coupling agent are added after 30min, is warming up to 140 DEG C, mixes 4h.
Foaming agent is mixed by alkyl glycosides, hydroxypropyl methyl cellulose, polyethylene glycol, polyvinyl alcohol by weight 10:1:1:1
It closes.
Above-mentioned new-energy automobile body outer skin manufacture high-strength lightweight composite material, preparation method includes following step
It is rapid:
(1) PC, ABS, PBT are added in double screw extruder, 0.7MPa, after 140 DEG C of heating are kneaded 60min, then will
Modified carbon nano-tube, 400 mesh Aluminate activating fly ash microballons, vinyl monomer multiple copolymer, BY-R60 are added, and continue to mix
It is expressed into high temperature mixing machine after refining 30min, is warming up to 180 DEG C of addition foaming agents, accelerant CZ, TDI is added after reacting 3.5h
Curing agent stirs evenly, and obtains molten liquid；
(2) molten liquid is injected into die casting die, 8MPa, 125 DEG C of compression mouldings, cooled to room temperature obtains
To embryo material；
(3) embryo material is put into baking oven, is warming up to 60 DEG C, keep the temperature air-cooled outlet after 6h.
Embodiment 3
A kind of new-energy automobile body outer skin manufacture high-strength lightweight composite material, by component A and component B preparation
It is 60:1 at, the weight ratio of the component A and component B, the constituent of the following weight percent of component A: PC 30%,
ABS10%, PBT 4%, modified carbon nano-tube 15%, 400 mesh Aluminate activating fly ash microballons 5%, aromatic ethenyl list
Body 4%, BY-R60 0.5%, foaming agent 0.5%, accelerant CZ 0.1%, the component B are TDI curing agent.
Modified carbon nano-tube the preparation method comprises the following steps: by carbon nanotube be added to mass concentration be 60% ethanol water
In, 40 DEG C of ultrasonic vibration 2h obtain uniform solution, then beta-methoxy ethyoxyl is added into solution) silane, at 500W, 60 DEG C
Ultrasonic reaction 5h, vacuum filtration are washed to neutral, freeze-drying.
Aluminate activating fly ash microballon the preparation method comprises the following steps: 400 mesh fly ash micro-spheres are heated in a high speed mixer
To 100 DEG C, atoleine and aluminate coupling agent are added after 20min, is warming up to 140 DEG C, mixes 3h.
Foaming agent is mixed by alkyl glycosides, hydroxypropyl methyl cellulose, polyethylene glycol, polyvinyl alcohol by weight 10:1:1:1
It closes.
Above-mentioned new-energy automobile body outer skin manufacture high-strength lightweight composite material, preparation method includes following step
It is rapid:
(1) PC, ABS, PBT are added in double screw extruder, 0.4MPa, after 140 DEG C of heating are kneaded 40min, then will
Modified carbon nano-tube, 400 mesh Aluminate activating fly ash microballons, aromatic vinyl monomer, BY-R60 are added, and continue to be kneaded
It is expressed into after 20min in high temperature mixing machine, is warming up to 180 DEG C of addition foaming agents, accelerant CZ, TDI solidification is added after reacting 2h
Agent stirs evenly, and obtains molten liquid；
(2) molten liquid is injected into die casting die, 8MPa, 120 DEG C of compression mouldings, cooled to room temperature obtains
To embryo material；
(3) embryo material is put into baking oven, is warming up to 60 DEG C, keep the temperature air-cooled outlet after 5h.
Embodiment 4
A kind of new-energy automobile body outer skin manufacture high-strength lightweight composite material, by component A and component B preparation
It is 80:1 at, the weight ratio of the component A and component B, the constituent of the following weight percent of component A: PC 50%,
ABS18%, PBT 8%, modified carbon nano-tube 25%, 600 mesh Aluminate activating fly ash microballons 15%, vinyl monomer are polynary
Copolymer 8%, BY-R60 4%, foaming agent 2%, accelerant CZ 0.5%, the component B are TDI curing agent.
Modified carbon nano-tube the preparation method comprises the following steps: by carbon nanotube be added to mass concentration be 80% ethanol water
In, 50 DEG C of ultrasonic vibration 5h obtain uniform solution, then γ-methacryloxypropyl trimethoxy silicon is added into solution
Alkane, the ultrasonic reaction 5h at 500W, 60 DEG C, vacuum filtration are washed to neutral, freeze-drying.
Aluminate activating fly ash microballon the preparation method comprises the following steps: 600 mesh fly ash micro-spheres are heated in a high speed mixer
To 120 DEG C, atoleine and aluminate coupling agent are added after 40min, is warming up to 140 DEG C, mixes 5h.
Foaming agent is mixed by alkyl glycosides, hydroxypropyl methyl cellulose, polyethylene glycol, polyvinyl alcohol by weight 10:1:1:1
It closes.
Above-mentioned new-energy automobile body outer skin manufacture high-strength lightweight composite material, preparation method includes following step
It is rapid:
(1) PC, ABS, PBT are added in double screw extruder, 0.8MPa, after 160 DEG C of heating are kneaded 60min, then will
Modified carbon nano-tube, 600 mesh Aluminate activating fly ash microballons, vinyl monomer multiple copolymer, BY-R60 are added, and continue to mix
It is expressed into high temperature mixing machine after refining 30min, is warming up to 180 DEG C of addition foaming agents, it is solid that accelerant CZ, TDI is added after reaction 5h
Agent stirs evenly, and obtains molten liquid；
(2) molten liquid is injected into die casting die, 15MPa, 140 DEG C of compression mouldings, cooled to room temperature obtains
To embryo material；
(3) embryo material is put into baking oven, is warming up to 80 DEG C, keep the temperature air-cooled outlet after 10h.
Embodiment 5
A kind of new-energy automobile body outer skin manufacture high-strength lightweight composite material, by component A and component B preparation
It is 60:1 at, the weight ratio of the component A and component B, the constituent of the following weight percent of component A: PC 50%,
ABS14%, PBT 4.5%, modified carbon nano-tube 15%, 600 mesh Aluminate activating fly ash microballons 15%, vinyl monomer are more
Membered copolymer 8%, BY-Z2 2%, foaming agent 1.5%, accelerant CZ 0.2%, the component B are TDI curing agent.
Modified carbon nano-tube the preparation method comprises the following steps: by carbon nanotube be added to mass concentration be 80% ethanol water
In, 40 DEG C of ultrasonic vibration 3h obtain uniform solution, then isobutyl triethoxy silane is added into solution, at 500W, 60 DEG C
Ultrasonic reaction 5h, vacuum filtration are washed to neutral, freeze-drying.
Aluminate activating fly ash microballon the preparation method comprises the following steps: 600 mesh fly ash micro-spheres are heated in a high speed mixer
To 110 DEG C, atoleine and aluminate coupling agent are added after 25min, is warming up to 140 DEG C, mixes 5h.
Foaming agent is mixed by alkyl glycosides, hydroxypropyl methyl cellulose, polyethylene glycol, polyvinyl alcohol by weight 10:1:1:1
It closes.
Above-mentioned new-energy automobile body outer skin manufacture high-strength lightweight composite material, preparation method includes following step
It is rapid:
(1) PC, ABS, PBT are added in double screw extruder, 0.6MPa, after 140 DEG C of heating are kneaded 40min, then will
Modified carbon nano-tube, 600 mesh Aluminate activating fly ash microballons, vinyl monomer multiple copolymer, BY-Z2, continue to be kneaded
It is expressed into after 30min in high temperature mixing machine, is warming up to 180 DEG C of addition foaming agents, accelerant CZ, TDI solidification is added after reacting 2h
Agent stirs evenly, and obtains molten liquid；
(2) molten liquid is injected into die casting die, 15MPa, 120 DEG C of compression mouldings, cooled to room temperature obtains
To embryo material；
(3) embryo material is put into baking oven, is warming up to 80 DEG C, keep the temperature air-cooled outlet after 5h.
Embodiment 6
A kind of new-energy automobile body outer skin manufacture high-strength lightweight composite material, by component A and component B preparation
It is 80:1 at, the weight ratio of the component A and component B, the constituent of the following weight percent of component A: PC 30%,
ABS10%, PBT 8%, modified carbon nano-tube 20%, 600 mesh Aluminate activating fly ash microballons 14%, vinyl monomer are polynary
Copolymer 4-8%, BY-R60 2.5%, foaming agent 0.5%, accelerant CZ 0.1%, the component B are TDI curing agent.
Modified carbon nano-tube the preparation method comprises the following steps: by carbon nanotube be added to mass concentration be 75% ethanol water
In, 40 DEG C of ultrasonic vibration 4h obtain uniform solution, then vinyltrimethoxysilane is added into solution, at 500W, 60 DEG C
Ultrasonic reaction 5h, vacuum filtration are washed to neutral, freeze-drying.
Aluminate activating fly ash microballon the preparation method comprises the following steps: 600 mesh fly ash micro-spheres are heated in a high speed mixer
To 100 DEG C, atoleine and aluminate coupling agent are added after 30min, is warming up to 140 DEG C, mixes 3.5h.
Foaming agent is mixed by alkyl glycosides, hydroxypropyl methyl cellulose, polyethylene glycol, polyvinyl alcohol by weight 10:1:1:1
It closes.
Above-mentioned new-energy automobile body outer skin manufacture high-strength lightweight composite material, preparation method includes following step
It is rapid:
(1) PC, ABS, PBT are added in double screw extruder, 0.4-0.8MPa, 140-160 DEG C of heating is kneaded 40-
After 60min, then by modified carbon nano-tube, 600 mesh Aluminate activating fly ash microballons, vinyl monomer multiple copolymer, BY-
R60 is added, and continues to be expressed into high temperature mixing machine after being kneaded 20min, is warming up to 180 DEG C of addition foaming agents, is added after reacting 2h
Accelerant CZ, TDI curing agent, stir evenly, obtain molten liquid；
(2) molten liquid is injected into die casting die, 12MPa, 130 DEG C of compression mouldings, cooled to room temperature obtains
To embryo material；
(3) embryo material is put into baking oven, is warming up to 60 DEG C, keep the temperature air-cooled outlet after 10h.
Mechanics Performance Testing:
1cm × 1cm × 1cm square block more function of YDD-1 type are made in 1-5 of the embodiment of the present invention composite material prepared
Energy material mechanical test machine carries out Mechanics Performance Testing, and test result is as follows shown in table 1:
Table 1:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Compression strength (MPa) | 482 | 503 | 497 | 493 | 486 |
| Bending strength (MPa) | 295 | 298 | 314 | 301 | 287 |
| Ballistic work (J) | 18.4 | 18.2 | 19.7 | 19.5 | 19.5 |
| Density (g/cm3) | 1.56 | 1.52 | 1.51 | 1.63 | 1.49 |
| Hardness (HV) | 621 | 635 | 634 | 628 | 661 |
In summary: composite material items excellent in mechanical performance of the present invention, density is small, and hardness is high, is suitable as new energy
Automobile body covering piece manufacture is used.
Claims (10)
1. a kind of new-energy automobile body outer skin manufacture high-strength lightweight composite material, which is characterized in that by component A and component
B is prepared, and the weight ratio of the component A and component B is 60-80:1, the composition of the following weight percent of component A at
Point: PC 30-50%, ABS10-18%, PBT 4-8%, modified carbon nano-tube 15-25%, reinforcement filler 5-15%, dispersing agent
4-8%, compatilizer 0.5-4%, foaming agent 0.5-2%, accelerant CZ 0.1-0.5%, the component B are TDI curing agent.
2. new-energy automobile body outer skin manufacture high-strength lightweight composite material as described in claim 1, which is characterized in that
The modified carbon nano-tube the preparation method comprises the following steps: carbon nanotube is added in ethanol water, 40-50 DEG C of ultrasonic vibration 2-
5h obtains uniform solution, then silane coupling agent is added into solution, and the ultrasonic reaction 5h at 500W, 60 DEG C is filtered by vacuum, washes
It washs to neutral, freeze-drying.
3. new-energy automobile body outer skin manufacture high-strength lightweight composite material as claimed in claim 2, which is characterized in that
The mass concentration of ethanol water is 60-80%.
4. new-energy automobile body outer skin manufacture high-strength lightweight composite material as claimed in claim 2, which is characterized in that
The silane coupling agent is vinyltriethoxysilane, vinyltrimethoxysilane, beta-methoxy ethyoxyl) silane, γ-first
Any one in base acryloyloxypropyltrimethoxysilane, isobutyl triethoxy silane.
5. new-energy automobile body outer skin manufacture high-strength lightweight composite material as described in claim 1, which is characterized in that
The reinforcement filler is 400-600 mesh Aluminate activating fly ash microballon.
6. new-energy automobile body outer skin manufacture high-strength lightweight composite material as described in claim 1, which is characterized in that
The Aluminate activating fly ash microballon the preparation method comprises the following steps: 400-600 mesh fly ash micro-sphere is heated in a high speed mixer
To 100-120 DEG C, atoleine and aluminate coupling agent are added after 20-40min, is warming up to 140 DEG C, mixes 3-5h.
7. new-energy automobile body outer skin manufacture high-strength lightweight composite material as described in claim 1, which is characterized in that
The dispersing agent is aromatic vinyl monomer or vinyl monomer multiple copolymer.
8. new-energy automobile body outer skin manufacture high-strength lightweight composite material as described in claim 1, which is characterized in that
The compatilizer is BY-R60 or BY-Z2.
9. new-energy automobile body outer skin manufacture high-strength lightweight composite material as described in claim 1, which is characterized in that
The foaming agent by alkyl glycosides, hydroxypropyl methyl cellulose, polyethylene glycol, polyvinyl alcohol by weight 10:1:1:1 mix and
At.
10. new-energy automobile body outer skin manufacture high-strength lightweight composite material as described in claim 1, feature exist
In preparation method includes the following steps:
(1) PC, ABS, PBT are added in double screw extruder, 0.4-0.8MPa, 140-160 DEG C of heating is kneaded 40-60min
Afterwards, then by modified carbon nano-tube, reinforcement filler, dispersing agent, compatilizer it is added, continues to be kneaded that be expressed into high temperature after 20-30min mixed
Melt in machine, be warming up to 180 DEG C of addition foaming agents, accelerant CZ, TDI curing agent is added after reacting 2-5h, stirs evenly, is melted
Melt liquid；
(2) molten liquid is injected into die casting die, 8-15MPa, 120-140 DEG C of compression moulding, cooled to room temperature,
Obtain embryo material；
(3) embryo material is put into baking oven, is warming up to 60-80 DEG C, keep the temperature air-cooled outlet after 5-10h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551888.2A CN109721992A (en) | 2018-12-19 | 2018-12-19 | High-strength lightweight composite material is used in a kind of manufacture of new-energy automobile body outer skin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551888.2A CN109721992A (en) | 2018-12-19 | 2018-12-19 | High-strength lightweight composite material is used in a kind of manufacture of new-energy automobile body outer skin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109721992A true CN109721992A (en) | 2019-05-07 |
Family
ID=66296232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811551888.2A Pending CN109721992A (en) | 2018-12-19 | 2018-12-19 | High-strength lightweight composite material is used in a kind of manufacture of new-energy automobile body outer skin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109721992A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115491014A (en) * | 2022-09-29 | 2022-12-20 | 丁长松 | Modified PC plastic and preparation process thereof |
-
2018
- 2018-12-19 CN CN201811551888.2A patent/CN109721992A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115491014A (en) * | 2022-09-29 | 2022-12-20 | 丁长松 | Modified PC plastic and preparation process thereof |
| CN115491014B (en) * | 2022-09-29 | 2023-12-26 | 万星塑胶制品（上海）有限公司 | Modified PC plastic and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102993554B (en) | A kind of glass micro-bead filling modified thermoplastic structure's sheet material and preparation method thereof | |
| CN101418070B (en) | Epoxy resin combination, composite material and preparation method thereof | |
| CN103772819B (en) | A kind of preparation method of polypropylene powdered rice hulls foaming composite pallet | |
| CN102146196B (en) | Preparation method of high damping epoxy resin composite | |
| CN105038217A (en) | Carbon fiber reinforced nylon micro-foaming material and preparation method thereof | |
| CN100411843C (en) | Multipurpose polymer forming machine | |
| CN102250419A (en) | Polypropylene composite material with improved interfacial compatibility and preparation method thereof | |
| CN105176059A (en) | Electro-chemically modified and CF (carbon fiber) reinforced TPU (thermoplastic polyurethane) composite material and preparation method thereof | |
| CN104448563A (en) | Carbon fiber reinforced polypropylene micro-foaming material and preparation method thereof | |
| CN1995124A (en) | High tenacious polypropylene material for manufacturing central conditioner air-discharge hose and its preparation method | |
| CN106633649A (en) | Resin matrix applicable to microwave curing and preparation method of resin matrix | |
| CN107200919A (en) | A kind of injection grade micro-foaming polypropylene composite material and preparation method thereof | |
| CN107760018A (en) | A kind of selective laser sintering 3D printing composite powders of PA 12 | |
| CN104927193A (en) | Glass fiber reinforcing propathene composite material for high-rigidity car structural member and preparing method thereof | |
| CN102367313A (en) | Glass fiber reinforced polypropylene composite material and preparation method thereof | |
| CN109721992A (en) | High-strength lightweight composite material is used in a kind of manufacture of new-energy automobile body outer skin | |
| CN114369349A (en) | SMC composite material and preparation method and application thereof | |
| CN106751637A (en) | A kind of fiberglass radome section bar and preparation method thereof | |
| CA2010179C (en) | Resin composition and method of manufacturing the same | |
| CN107903509A (en) | Outer plate material of a kind of overall plastic tail-gate of automobile and preparation method thereof | |
| CN109096567B (en) | TPO (thermoplastic polyolefin) automotive interior material of graphene reinforced ethylene propylene diene monomer, and preparation method and application thereof | |
| CN107686622A (en) | A kind of wear-resisting flat organic glass | |
| CN108192217A (en) | A kind of fiber reinforced thermolplastic molding septic tank and its production method | |
| CN111040163B (en) | Bismaleimide resin, air bag for autoclave molding and preparation method thereof | |
| CN105924777A (en) | Long fiber reinforced thermoplastic composite material and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190507 |
|
| WD01 | Invention patent application deemed withdrawn after publication |