CN108329591A - Plastic alloy composition, vehicle structural members and vehicle - Google Patents
Plastic alloy composition, vehicle structural members and vehicle Download PDFInfo
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- CN108329591A CN108329591A CN201810131736.0A CN201810131736A CN108329591A CN 108329591 A CN108329591 A CN 108329591A CN 201810131736 A CN201810131736 A CN 201810131736A CN 108329591 A CN108329591 A CN 108329591A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
-
- 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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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
Include the raw material components measured below according to mass fraction the present invention provides a kind of plastic alloy composition：100 parts of polypropylene；15~30 parts of high density polyethylene (HDPE)；3~8 parts of polysulfones；15~25 parts of barium sulfate；1~2 part of Triallyl isocyanurate；7~15 parts of poly(p-phenylene terephthalamide)；5~15 parts of ethylene propylene diene rubber；2~6 parts of polybutylene terephthalate (PBT).The plastic alloy composition of the present invention can be used for substituting traditional aluminium alloys for automobile material preparation into vehicle structural members.
Description
Technical field
The present invention relates to new material and automobile manufacturing fields, and in particular to a kind of plastic alloy composition and with the plastics
Vehicle structural members and a kind of vehicle including the vehicle structural members prepared by alloy composite.
Background technology
Currently, new-energy automobile is still in developing stage, new-energy automobile is energized using accumulator or fuel cell,
Its voyage is also less than conventional fuel oil automobile, and mating charging or fuel make up technology be not as good as conventional gasoline technical perfection, and
And the mating communal facility such as depot is also universal not as good as conventional gasoline station.Research currently for new-energy automobile focuses principally on
It improves energy-provision way and improves energy supply efficiency, and the material of main part of new-energy automobile also mostly uses the metals such as traditional aluminium alloy
Material.Some researches show that the car body of automobile is heavier, then automobile energy consumption is faster, and carbon emission amount is also relatively more.Due to current new energy
The energy that can provide of the accumulator (or fuel cell) of automobile is limited, and the weight of car body can limit its voyage, therefore new
The voyage of energy automobile is not well positioned to meet people's demand still.In addition, carbon emission amount caused by the car body of automobile is overweight is greatly
It is one and could be improved primary study problem.
In addition, manufacturing a vehicle using metal materials such as traditional aluminium alloys, then need to use 20,000 parts,
Not only each parts need the process by a series of complex such as design mold-mould punching-reverse moulds that can just be molded, and
And 20,000 parts assembling process for being assembled into a vehicle is also and its complicated, spends the time long.Secondly, car detailing mistake
It to paint to automobile in journey, painting process is complicated and causes certain pollution.Furthermore once automobile has damage, dimension
The process of repairing is also more complicated.In addition, the production of domestic aluminium alloys for automobile material is smaller, and there are quality not
The factors such as stablize, does not have the stabilization deliverability that materials used in auto manufacturing is provided for full-sized car factory still, therefore, car aluminum at present
Alloy material relies primarily on import, and the price of import aluminum alloy materials is 60,000 yuan/ton.Due to the metal materials such as aluminium alloy at
This height, the cost for causing to manufacture whole automobile is also relatively high.In addition, aluminium alloy automobile material is being made as automobile component
When due to need by cutting, polishing etc. processes, so there are a certain amount of losses in manufacturing process.
Invention content
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of alternative aluminium alloys for automobile material
The plastic alloy composition of material and the vehicle structural members prepared with the plastic alloy composition and one kind include the vehicle knot
The vehicle of structure component.
The present invention provides a kind of plastic alloy compositions, have the feature that, including below according to mass fraction meter
The raw material components of amount：100 parts of polypropylene；15~30 parts of high density polyethylene (HDPE)；3~8 parts of polysulfones；15~25 parts of barium sulfate；Triolefin
1~2 part of propyl isocyanuric acid ester；7~15 parts of poly(p-phenylene terephthalamide)；5~15 parts of ethylene propylene diene rubber；Gather to benzene two
2~6 parts of formic acid butanediol ester.
In plastic alloy composition provided by the invention, which is characterized in that also include：Acrylonitrile-butadiene-styrene (ABS)
5~10 parts of copolymer.
In plastic alloy composition provided by the invention, which is characterized in that also include：7~12 parts of color masterbatch.
In plastic alloy composition provided by the invention, which is characterized in that also include：Kymene~15 part.
The present invention also provides a kind of vehicle structural members, have the feature that：Vehicle structural members are by plastic alloy group
It closes object to be prepared, wherein plastic alloy composition is above-mentioned plastic alloy composition.
In vehicle structure portion provided by the invention, it can also have the feature that：Wherein, vehicle structural members are by moulding
Material alloy composite is prepared by 3D printing.
In vehicle structure portion provided by the invention, it can also have the feature that：Wherein, vehicle structural members are vapour
Vehicle middle standing pillar, automobile side-door crossbeam, automobile front beam, automobile rear humper, Lamp housing, air intake branch and exhaust branch pipe
In any one.
The present invention also provides vehicles, which is characterized in that has：Vehicle structural members, wherein vehicle structural members are above-mentioned
Vehicle structural members.
In vehicle provided by the invention, it can also have the feature that：Wherein, vehicle is fuel-engined vehicle, natural gas
Any one in automobile, new-energy automobile, motorcycle and bicycle.
In vehicle provided by the invention, it can also have the feature that：Wherein, new-energy automobile is pure electric vehicle vapour
Any one in vehicle, hybrid vehicle and hydrogen fuel cell electric vehicle.
The effect of invention
According to plastic alloy composition of the present invention, due to including polypropylene, high density polyethylene (HDPE), polysulfones, sulphur in its formula
Sour barium, Triallyl isocyanurate, poly(p-phenylene terephthalamide), ethylene propylene diene rubber and poly terephthalic acid fourth two
Alcohol ester, and these raw material components are by proportioning appropriate, the amount of each raw material component be followed successively by 100 parts, 15~30 parts, 3~8
Part, 15~25 parts, 1~2 part, 7~15 parts, 5~15 parts, 2~6 parts, so the preparation-obtained plastic cement alloy combination of the present invention
Object mechanical performance is good, physical and mechanical property is good, good in thermal property, without toxicity, with certain anti-flammability, and density is only aluminium
The one third of the density of alloy, molding shrinkage are smaller.
Since the plastic alloy composition density of the present invention is only the one third of the density of aluminium alloy, but properties
It is a kind of new material of alternative traditional aluminium alloys for automobile material not less than aluminium alloy capability, therefore, is closed using the plastics
Golden composition can prepare the vehicle structural members of auto parts and components such as automobile.And due to the plastic alloy composition phase of the present invention
To traditional aluminum alloy materials loss of weight 60%, therefore the weight of the vehicle structural members prepared by this plastic alloy composition
Amount can mitigate significantly, and then will be mitigated significantly using the vehicle weight of such vehicle structural members.Some researches show that when automobile it is every
Loss of weight 10%, energy consumption will reduce 6%~8% therewith, and carbon emission amount will reduce 5~10%, also mean that, of the invention
The energy consumption of automobile with above-mentioned vehicle structural members will greatly reduce therewith, and carbon emission amount also greatly reduces therewith, really does
To energy-saving and environment-friendly.In addition, especially for pure electric automobile, hybrid vehicle, hydrogen fuel cell electric vehicle etc. this
For class new energy vehicle, mitigates weight and be expected to increase substantially its voyage.Secondly, the quality of automobile structure member subtracts
Gently, also lighter during transporting accessory and transport vehicle.
In addition, because the yield of the most of raw material components of plastic alloy composition is big and inexpensive, by these components
The cost of the plastic alloy composition of preparation is relatively low, and price is about 2~30,000 yuan/ton, with orthodox car component
60,000 yuan/ton of aluminum alloy materials are compared, and sexual valence is relatively high, there is huge price advantage.
In addition, since the plastic alloy composition density of the present invention is 0.97g/cm3Only aluminum alloy materials density
2.7g/cm3One third or so, originally manufacturing an automobile using the automobile structure member of traditional aluminum alloy materials needs
The weight for using material wanted is big, is manufactured needed for an automobile using the automobile structure member of plastic cement alloy composite now
Material weight it is small, therefore, plastic alloy composition using the present invention manufactures automobile compared to using traditional aluminium alloy material
Expect that material utilization amount reduces cost and will also substantially reduce, and the plastic alloy group of the present invention as shown in the above to manufacture automobile
Half that price lattice are only aluminum alloy materials is closed to one third, so the automobile structure member of a vehicle
Cost less than traditional aluminium alloy automobile vehicle structural members cost 1/6th, have huge market prospects.
In addition, the plastic alloy composition due to the present invention can be by color masterbatch come to color control, so as to according to user
Demand customizes to obtain the vehicle structural members of required color.Inherently there is color due to preparing molding vehicle structural members,
Therefore only need to simply polish just can meet the needs of people are to vehicle color, eliminate complicated process, both expensive and have pollution
Lacquer spraying technique.
In addition, since the most of raw materials of plastic alloy composition of the present invention are macromolecule raw materials, in automobile
It when structure member damages, such as hits and forms recess, the means such as hot melt, laser can be led to and augment some same plastic alloy compositions
Up, so that it may which to smooth out original recess, and color quality is so repaired all as original vehicle structural members
Recoverability it is strong, maintenance process is also relatively easy.
In addition, since the plastic alloy composition of the present invention is prepared according to the high standard of vehicle material, i.e.,
Make after automobile service life has expired, still the auto parts and components of these materials can be disassembled through melting and is granulated again
These auto parts and components can be restored as granular plastic alloy composition, and these granular plastic alloy compositions
Still have good mechanical performance, physical property and flame retardant property, can also be used in outside such as industrial pipeline, household electrical appliance
The fields such as shell, to realize that secondary use, recyclable regenerative have accomplished to reduce discharge environmental protection.
In addition, since the plastic alloy composition properties of the present invention are excellent, in addition to vehicle can be manufactured by Shooting Technique
Outside structure member, more the vehicle structure of automobile can be manufactured by 3D printing as the raw material of 3D printing vehicle structural members
Component.Using plastic alloy composition 3D printing prepare auto parts and components can by more than original 20,000 a parts through 3D printing at
Simplify, so that multiple components is integrally formed, abandoned the automobile knot of the complexity such as traditional design mold-mould punching-reverse mould
The preparation process of structure component not only reduces the quantity of parts so that a vehicle only needs a parts more than 40
Assembling, and assembling flow path is also simplified, shorten built-up time.
Secondly as the plastic alloy composition of the present invention can be prepared through 3D printing automobile structure member be a step at
Type, the storage of the various parts of vast number and transportational process in the pilot process of orthodox car manufacturing process are eliminated,
Reduce the occupancy to memory space.
Furthermore compared to the damage that aluminum alloy materials are made as vehicle structural members, due to the plastic alloy group of the present invention
Automobile structure member can be prepared through 3D printing by closing object, after granular plastic alloy composition is processed powdering or filiform
It is just directly formed to automobile structure member through the melting of 3D printing equipment, so whole preparation process is almost loss-free.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, in conjunction with
Lower embodiment is specifically addressed the present invention.
<Embodiment 1>
Plastic alloy composition in the present embodiment includes the raw material components measured below according to mass fraction：
100 parts of polypropylene；
15 parts of high density polyethylene (HDPE)；
8 parts of polysulfones；
25 parts of barium sulfate；
1 part of Triallyl isocyanurate；
10 parts of acrylonitrile-butadiene-styrene copolymer；
12 parts of color masterbatch；
15 parts of poly(p-phenylene terephthalamide)；
Kymene part；
5 parts of ethylene propylene diene rubber；
6 parts of polybutylene terephthalate (PBT).
The plastic alloy composition progress performance that gained is prepared to the present embodiment is analyzed as follows：
(1) mechanical performance：Tensile strength is 35MPa；Elongation at break is 115%；Bending strength is 23MPa；Bending die
Amount is 1300MPa；Cantilever beam impact strength (notch) is 70kJ/ ㎡；Cantilever beam impact strength (non-notch) is 133kJ/ ㎡；
Elasticity modulus is 2480MPa.
(2) hot property：Heat distortion temperature (1.82MPa) is 113 DEG C；Melt flow rate (MFR) (190 DEG C/12160g) is
1.2g/min。
(3) combustibility：Flame retardant rating is HB (0.8mm).
(4) physical property：Density is 0.97g/cm3, molding shrinkage (axial direction) is 0.5%, molding shrinkage (radial direction)
It is 0.
In the plastic alloy composition of the present embodiment, the characteristic of each component and effect are as follows：
Polypropylene has very strong impact strength, and the good and anti-scratch characteristic of material surface rigidity is fine, and tensile strength can
Reach 30MPa, decomposition temperature is 350 °, high temperature resistant, and density is small.But polypropylene has the following disadvantages：Shrinking percentage is high, low
Impact strength significantly declines when warm, and toughness is bad.
The fusing point of high density polyethylene (HDPE) is 142 DEG C, and decomposition temperature has certain rigidity and toughness at 280 DEG C or so.It is moulding
Expect that high density polyethylene (HDPE) is added in the formula of alloy composite carries out toughening, can improve that polypropylene material brings resists at low temperature
The problem of impact difference and toughness deficiency.But the case hardness of high density polyethylene (HDPE) is low, easily scratches, resistance to ag(e)ing is poor.Modeling
Polypropylene, which can effectively improve the surface rigidity of material, in material alloy combination composition formula makes it be not easy to scratch；Addition color masterbatch is produced to improve
The ageing-resistant performance of product.
Polysulfones excellent in mechanical performance, rigidity is big, wear-resisting, high intensity, can keep excellent mechanical performance at high temperature.Polysulfones
Density be 1.24g/cm3, tensile strength >=73MPa, impact strength 314kJ/ ㎡, Brinell hardness >=10, Martin heat resistance 150
℃.The impact strength and elasticity modulus that plastic alloy composition can be improved using polysulfones, promoted its weatherability (outdoor be subjected to as
The performance of the weathers such as illumination, cold and hot, wind and rain test), resistance to chemical corrosion and heat resistance.
Barium sulfate can absorb X-ray radiation, and raising product is fast light, weather-proof, ageing-resistant, resistant to chemical etching, enhancing shock resistance
Intensity improves product glossiness and anti-flammability.Fusing point is 1580 DEG C, boiling point is 330 DEG C, decomposition temperature is 1600 DEG C, density
＞ 4g/cm3.Barium sulfate is added in formula and enables barium metal element to be dissolved in this using high temperature and certain process means
To enhance product performance in the ipn technology plastic alloy composition of embodiment, while element sulphur is removed through high-temperature technology,
Ensure product not sulfur-bearing, is the product of asepsis environment-protecting.
Triallyl isocyanurate as cross-linked modifier, by the cross-linking modified heat resistance for being remarkably improved product,
Anti-flammability, resistance to dissolubility and mechanical strength etc..The compatibility of the polymer such as polypropylene and high density polyethylene (HDPE) can especially be promoted.
Acrylonitrile-butadiene-styrene copolymer (ABS) have certain rigidity and hardness, impact resistance, cold resistance,
Good processing performance, surface can polish, and can obtain the product of press polish, and melting temperature is at 217~237 DEG C, thermal decomposition
Temperature is at 250 DEG C or more, and mobility is better than polysulfones, and flexibility is preferable.
According to the characteristic of above-mentioned each component it is found that under same experiment condition such as hot environment, it is not all these
Component can be compatible, and some components may degrade at high temperature, so the plastic cement alloy composite of the present embodiment
Not by simple blend can a step be made, but be prepared by certain technique point multistep, be applicant's warp
The achievement in research that long-term R ＆ D has paid hard labour is crossed, so the formula containing these components is nor can readily occur in.
A certain amount of color masterbatch is used in the formula of the present embodiment：Indispensable black wood charcoal is black or white carbon, can also have and suitably add
Add the color masterbatch of other colors.Black wood charcoal in color masterbatch is black or white carbon can reinforced plastic alloy composition weatherability, prevent product old
Change.In addition, by the color of the controllable plastic alloy composition of color masterbatch, to meet individual demand of the client in color.
The density of poly(p-phenylene terephthalamide) is 0.9g/cm3, bending modulus 15500MPa, Rockwell hardness is
100,125 DEG C of heat distortion temperature；When 23 DEG C of shrinking percentage：1.5%~1.9%；Elongation at break：＞ 200%；Melt flow speed
230 DEG C/2.16kg of rate： 1.8g/min；Tensile strength is 2.8Gpa, impact strength：At 23 DEG C, 1/8 " thick test bar
Under part, 6kgcm/cm is measured2.Spy since the mechanical performance of poly- paraphenylene terephthalamide is splendid, and with easy modification, easy processing
Point, the poly(p-phenylene terephthalamide) of specific quantity, which is added, can effectively promote the mechanical performance of plastic alloy composition.
Polyamide has good tensile strength, heat resistance, abrasion resistance properties, and has certain anti-flammability.
Polyamide is added in the formula of the present embodiment promotes automobile product to develop to high-performance, high quality direction.
Ethylene propylene diene rubber has the high fillibility of low-density, density 0.87g/cm3, filling effect is played in mixture
So that product properties is promoted, fills the combination of ethylene propylene diene rubber and barium sulfate in the formula of the present embodiment so that barium
Metal dissolves in ethylene propylene diene rubber, so that barium metal plays its effect in plastic alloy composition.Ethylene propylene diene rubber
Have good resistance to ag(e)ing, weatherability, ozone resistance, heat resistance, resistance to acid and alkali, insulating properties, Applicable temperature range is wide,
130 DEG C can be used for a long time.The strand of ethylene propylene diene rubber can keep compliance in wider range, with high-density polyethylene
The blendings such as alkene, polypropylene play good modifying function.
The intensity of polybutylene terephthalate (PBT) is high, has good dimensional stability；Fatigue durability is good, heat-resisting anti-ageing
The property changed is excellent, can be used for a long time outdoors；Flame retardant rating reaches UL94V-0 grades；Warpage properties are low, easily molded processing and secondary operation.
By the present embodiment plastic alloy composition as 3D printing raw material through 3D printing can prepare automobile middle standing pillar,
The vehicle structural members such as automobile side-door crossbeam.The vehicle structural members being prepared meet in auto industry production to vehicle structure
Component has good mouldability, excellent intensity, good crash energy absorption ability, fatigue durability and anti-flammability
Performance requirement.
The vehicle structural members such as automobile middle standing pillar, automobile side-door crossbeam in the present embodiment can be used for fuel-engined vehicle, day
So any one in gas automobile, pure electric automobile, hybrid vehicle and hydrogen fuel cell electric vehicle etc..
<Embodiment 2>
Plastic alloy composition in the present embodiment includes the raw material components measured below according to mass fraction：
100 parts of polypropylene；
20 parts of high density polyethylene (HDPE)；
6 parts of polysulfones；
20 parts of barium sulfate；
2 parts of Triallyl isocyanurate；
6 parts of acrylonitrile-butadiene-styrene copolymer；
10 parts of color masterbatch；
10 parts of poly(p-phenylene terephthalamide)；
10 parts of polyamide；
12 parts of ethylene propylene diene rubber；
4 parts of polybutylene terephthalate (PBT).
The plastic alloy composition progress performance that gained is prepared to the present embodiment is analyzed as follows：
(1) mechanical performance：Tensile strength is 33MPa；Elongation at break is 115%；Bending strength is 25MPa；Bending die
Amount is 1289MPa；Cantilever beam impact strength (notch) is 78kJ/ ㎡；Cantilever beam impact strength (non-notch) is 131kJ/ ㎡；
Elasticity modulus is 2485MPa.
(2) hot property：Heat distortion temperature (1.82MPa) is 113 DEG C；Melt flow rate (MFR) (190 DEG C/12160g) is
1.2g/min。
(3) combustibility：Flame retardant rating is HB (0.8mm).
(4) physical property：Density is 0.97g/cm3, molding shrinkage (axial direction) is 0.5%, molding shrinkage (radial direction)
It is 0.
In the plastic alloy composition of the present embodiment, the spy of the characteristic and effect and each component in embodiment 1 of each component
Property with effect as, details are not described herein again.
By the plastic alloy composition of the present embodiment automobile front beam can be prepared through 3D printing as the raw material of 3D printing
With the vehicle structural members such as automobile rear humper.The vehicle structural members being prepared meet in auto industry production to vehicle knot
Structure component has good mouldability, excellent intensity, good crash energy absorption ability, fatigue durability and anti-flammability
Performance requirement.
The vehicle structural members such as automobile front beam and automobile rear humper in the present embodiment can be used for fuel-engined vehicle, day
So any one in gas automobile, pure electric automobile, hybrid vehicle and hydrogen fuel cell electric vehicle etc..
<Embodiment 3>
Plastic alloy composition in the present embodiment includes the raw material components measured below according to mass fraction：
100 parts of polypropylene；
30 parts of high density polyethylene (HDPE)；
3 parts of polysulfones；
15 parts of barium sulfate；
1 part of Triallyl isocyanurate；
5 parts of acrylonitrile-butadiene-styrene copolymer；
7 parts of color masterbatch；
7 parts of poly(p-phenylene terephthalamide)；
15 parts of polyamide；
15 parts of ethylene propylene diene rubber；
2 parts of polybutylene terephthalate (PBT).
The plastic alloy composition progress performance that gained is prepared to the present embodiment is analyzed as follows：
(1) mechanical performance：Tensile strength is 36MPa；Elongation at break is 115%；Bending strength is 22MPa；Bending die
Amount is 1302MPa；Cantilever beam impact strength (notch) is 701kJ/ ㎡；Cantilever beam impact strength (non-notch) is 138kJ/ ㎡；
Elasticity modulus is 2485MPa.
(2) hot property：Heat distortion temperature (1.82MPa) is 113 DEG C；Melt flow rate (MFR) (190 DEG C/12160g) is
1.2g/min。
(3) combustibility：Flame retardant rating is HB (0.8mm).
(4) physical property：Density is 0.97g/cm3, molding shrinkage (axial direction) is 0.5%, molding shrinkage (radial direction)
It is 0.
By the plastic alloy composition of the present embodiment Lamp housing, air inlet branch can be prepared through 3D printing as the raw material of 3D printing
The vehicle structural members such as pipe and exhaust branch pipe.The vehicle structural members being prepared meet in automotive industry production to vehicle knot
Structure component has good mouldability, excellent intensity, good crash energy absorption ability, fatigue durability and anti-flammability
Performance requirement.
The vehicle structural members such as Lamp housing, air intake branch and exhaust branch pipe in the present embodiment can be used for fuel-engined vehicle,
In gas-fueled vehicles, pure electric automobile, hybrid vehicle, hydrogen fuel cell electric vehicle, motorcycle and bicycle etc.
Any one.
The effect of embodiment
According to above-described embodiment plastic alloy composition, due to including polypropylene in its formula, high density polyethylene (HDPE), gathering
Sulfone, barium sulfate, Triallyl isocyanurate, poly(p-phenylene terephthalamide), ethylene propylene diene rubber, poly terephthalic acid fourth
Diol ester, acrylonitrile-butadiene-styrene copolymer, color masterbatch and polyamide, and these raw material components use it is appropriate
Proportioning, the amount of each raw material component be followed successively by 100 parts, 15~30 parts, 3~8 parts, 15~25 parts, 1~2 part, 7~15 parts, 5~15
Part, 2~6 parts, 5~10 parts, 7~12 parts, 3~15 parts, so the preparation-obtained plastic cement alloy composite machine of above-described embodiment
Tool excellent performance, physical and mechanical property be good, good in thermal property, without toxicity, with certain anti-flammability, and density is only aluminium alloy
Density one third, molding shrinkage is smaller.Once said components are not to use specific mass fraction, institute is prepared
The performance of obtained plastic cement alloy composite will be greatly reduced, and cannot meet the requirement for preparing automobile structure member.
Since the plastic alloy composition density of above-described embodiment is only the one third of the density of aluminium alloy, but it is every
Performance is not less than aluminium alloy capability, is a kind of new material of alternative traditional aluminium alloys for automobile material, therefore, using the modeling
Material alloy composite can prepare the vehicle structural members of auto parts and components such as automobile.And due to the plastic alloy of above-described embodiment
Composition relatively traditional aluminum alloy materials loss of weight 60%, therefore pass through vehicle structure prepared by this plastic alloy composition
The weight of component can mitigate significantly, and then will be mitigated significantly using the vehicle weight of such vehicle structural members.Some researches show that
When automobile is per loss of weight 10%, energy consumption will reduce 6%~8% therewith, and carbon emission amount will reduce 5~10%, also mean that, on
Stating the energy consumption of the automobile with above-mentioned vehicle structural members of embodiment will greatly reduce therewith, and carbon emission amount also subtracts significantly therewith
It is few, it is truly realized energy-saving and environment-friendly.In addition, electronic especially for pure electric automobile, hybrid vehicle, hydrogen fuel cell
For this kind of new energy vehicle such as automobile, mitigates weight and be expected to increase substantially its voyage.Secondly, automobile structure member
Quality mitigate, transport accessory and transport vehicle during it is also lighter.
In addition, because the yield of the most of raw material components of plastic alloy composition is big and inexpensive, by these components
The cost of the plastic alloy composition of preparation is relatively low, and price is about 2~30,000 yuan/ton, with orthodox car component
60,000 yuan/ton of aluminum alloy materials are compared, and sexual valence is relatively high, there is huge price advantage.
In addition, since the plastic alloy composition density of above-described embodiment is 0.97g/cm3Only aluminum alloy materials are close
Spend 2.7g/cm3One third or so, an automobile is originally manufactured using the automobile structure member of traditional aluminum alloy materials
The weight for using material needed is big, manufactures an automobile institute using the automobile structure member of plastic cement alloy composite now
The material weight needed is small, therefore, automobile is manufactured compared to using conventional aluminum using the plastic alloy composition of above-described embodiment
Alloy material manufactures automobile, material utilization amount reduces cost and will also substantially reduce, and above-described embodiment as shown in the above
Plastic alloy composition price is only the half of aluminum alloy materials to one third, so the automobile of a vehicle
The cost of structure member less than traditional aluminium alloy automobile vehicle structural members cost 1/6th, before having huge market
Scape.
In addition, the plastic alloy composition due to above-described embodiment can be by color masterbatch come to color control, so as to basis
User demand customizes to obtain the vehicle structural members of required color.Inherently there is face due to preparing molding vehicle structural members
Color, therefore only need to simply polish and just can meet the needs of people are to vehicle color, eliminate complicated process, both expensive and have dirt
The lacquer spraying technique of dye.
In addition, the most of raw materials of plastic alloy composition due to above-described embodiment are macromolecule raw materials, in automobile
It when vehicle structural members damage, such as hits and forms recess, the means such as hot melt, laser can be led to and augment some same plastic alloy groups
It closes object to get on, so that it may which to smooth out original recess, and color quality is all as original vehicle structural members, so
The recoverability of repair is strong, and maintenance process is also relatively easy.
In addition, since the plastic alloy composition of above-described embodiment is prepared according to the high standard of vehicle material, because
This, though after automobile service life has expired, still the auto parts and components of these materials can be disassembled by melting and
These auto parts and components can be restored as granular plastic alloy composition by being granulated again, and these granular plastic alloys
Composition still has good mechanical performance, physical and mechanical property and flame retardant property, can also be used in such as industrial pipeline,
The fields such as household appliances shell, to realize that secondary use, recyclable regenerative have accomplished to reduce discharge environmental protection.
In addition, the plastic alloy composition properties due to above-described embodiment are excellent, in addition to can be manufactured by Shooting Technique
Outside vehicle structural members, more the vehicle of automobile can be manufactured by 3D printing as the raw material of 3D printing vehicle structural members
Structure member.Auto parts and components are prepared using plastic alloy composition 3D printing more than original 20,000 a parts can be beaten through 3D
It is printed as simplifying, so that multiple components is integrally formed, abandoned the Automobile of the complexity such as traditional design mold-mould punching-reverse mould
The preparation process of structure member, not only reduces the quantity of parts so that a vehicle only needs a parts more than 40 just
It can assemble, and also simplify assembling flow path, shorten built-up time.
Secondly as it is one that the plastic alloy composition of above-described embodiment can prepare automobile structure member through 3D printing
One-step forming, it eliminates the storage of the various parts of vast number in the pilot process of orthodox car manufacturing process and transported
Journey reduces the occupancy to memory space.
Furthermore compared to the damage that aluminum alloy materials are made as vehicle structural members, since the plastics of above-described embodiment close
Golden composition can prepare automobile structure member through 3D printing, and granular plastic alloy composition is processed powdering or silk
It is just directly formed to automobile structure member through the melting of 3D printing equipment after shape, so whole preparation process is almost lossless
's.
The above embodiment is the preferred case of the present invention, is not intended to limit protection scope of the present invention.
Claims (10)
1. a kind of plastic alloy composition, which is characterized in that include the raw material components measured below according to mass fraction：
100 parts of polypropylene；
15~30 parts of high density polyethylene (HDPE)；
3~8 parts of polysulfones；
15~25 parts of barium sulfate；
1~2 part of Triallyl isocyanurate；
7~15 parts of poly(p-phenylene terephthalamide)；
5~15 parts of ethylene propylene diene rubber；
2~6 parts of polybutylene terephthalate (PBT).
2. plastic alloy composition according to claim 1, which is characterized in that also include：
5~10 parts of acrylonitrile-butadiene-styrene copolymer.
3. plastic alloy composition according to claim 1, which is characterized in that also include：
7~12 parts of color masterbatch.
4. plastic alloy composition according to claim 1, which is characterized in that also include：
Kymene~15 part.
5. a kind of vehicle structural members, it is characterised in that：
The vehicle structural members are prepared by plastic alloy composition,
Wherein, the plastic alloy composition is the plastic alloy composition described in any one of Claims 1 to 4.
6. vehicle structural members according to claim 5, it is characterised in that：
Wherein, the vehicle structural members are prepared by the plastic alloy composition by 3D printing.
7. vehicle structural members according to claim 5, it is characterised in that：
Wherein, the vehicle structural members are automobile middle standing pillar, insure after automobile side-door crossbeam, automobile front beam, automobile
Any one in bar, Lamp housing, air intake branch and exhaust branch pipe.
8. a kind of vehicle, which is characterized in that have：
Vehicle structural members,
Wherein, the vehicle structural members are the vehicle structural members described in any one of claim 5~7.
9. vehicle according to claim 8, it is characterised in that：
Wherein, the vehicle is any one in fuel-engined vehicle, gas-fueled vehicles, new-energy automobile, motorcycle and bicycle
Kind.
10. vehicle according to claim 9, it is characterised in that：
Wherein, the new-energy automobile is appointing in pure electric automobile, hybrid vehicle and hydrogen fuel cell electric vehicle
Meaning is a kind of.
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Cited By (1)
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