CN111647262A - Preparation method of automobile guide plate material - Google Patents
Preparation method of automobile guide plate material Download PDFInfo
- Publication number
- CN111647262A CN111647262A CN202010430766.9A CN202010430766A CN111647262A CN 111647262 A CN111647262 A CN 111647262A CN 202010430766 A CN202010430766 A CN 202010430766A CN 111647262 A CN111647262 A CN 111647262A
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- raw materials
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- automobile
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- guide plate
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- 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
Abstract
The invention discloses a preparation method of an automobile guide plate material, which comprises the following steps: s1, preparing raw materials according to parts by weight, wherein the raw materials comprise: 15-25 parts of carbon fiber; 25-35 parts of glass fiber; 8-12 parts of polycarbonate; 5-10 parts of carbon disulfide; 14-16 parts of polyurethane; 2-5 parts of aluminum powder; 4-8 parts of a low-temperature modifier; 4-8 parts of a compatilizer; according to the invention, the carbon fiber and the glass fiber are added, so that the material quality is reduced, and the strength is ensured; meanwhile, the toughness of the material is increased by adding polycarbonate for combination, so that the impact strength is improved; in addition, the low-temperature modifier is added, so that the cold resistance of the material is improved, and the service life of the material is prolonged. And the compatilizer is added in the material, so that intermolecular combination among the components is changed into molecular bond combination, and the mechanical property of the material is greatly improved. The flame retardance of the material is improved by adding aluminum powder. The raw materials are uniformly heated by adopting a heat-conducting oil type double-cone dryer; and then the raw material lumps are broken up through a high-speed mixer, and the raw materials are uniformly mixed.
Description
Technical Field
The invention relates to a preparation method of an automobile guide plate material.
Background
The automobile guide plate is used at the lower part of an automobile bumper and used for reducing the lifting force generated by high-speed running of an automobile, because the pressure of air flow above and below the automobile body is different when the automobile runs at high speed, if the air flow is large at the lower part and small at the upper part, the lifting force can be generated, the damage is great, the phenomenon of drifting of the automobile can be generated, and the running stability is poor, so that the lifting force generated by high-speed running of the automobile can be reduced by changing the pressure of the bottom of the automobile through the design of the automobile guide plate and the air inlet on the upper part, and the effect of stable running of the automobile can be achieved.
At present, the guide plate is made of plastics in a large number and is used for replacing a metal guide plate, the cost is low, and the development direction of light weight of an automobile is met, but the guide plate belongs to a large-area thin-wall product, the strength is difficult to improve, in addition, the use environment of the bottom of the automobile is severe, the climate change is large, resonance or abnormal sound is generated in the use process, in addition, the service life is also lower than that of other parts of an automobile body, and therefore higher requirements on the strength, the toughness, the weather resistance and the like of the automobile guide plate are provided in.
Disclosure of Invention
Aiming at overcoming the defects in the prior art, the invention discloses a preparation method of an automobile guide plate material, which is characterized by comprising the following steps:
s1, preparing raw materials according to parts by weight, wherein the raw materials comprise:
s2, putting the carbon fibers, the glass fibers and the polycarbonate in the step S1 into a pulverizer to obtain powdery raw materials;
s3, putting the powdery raw materials and the rest raw materials into a double-cone dryer for mixing and drying;
s4, drying, and then putting into a high-speed stirrer for mixing and scattering raw materials;
s5, heating to 260-280 ℃, and forming by a hot-press forming machine at the pressure of 35 MPa.
Furthermore, the raw material also comprises 4-8 parts of low-temperature modifier.
Further, the low-temperature modifier is an organic silicon toughening agent.
Further, 4-8 parts of a compatilizer is included.
Further, the compatilizer is maleic anhydride grafted.
Further, the double-cone dryer is a heat-conducting oil type double-cone dryer.
The invention has the following beneficial effects:
according to the invention, the carbon fiber and the glass fiber are added, so that the material quality is reduced, and the strength is ensured; meanwhile, the toughness of the material is increased by adding polycarbonate for combination, so that the impact strength is improved; in addition, the low-temperature modifier is added, so that the cold resistance of the material is improved, and the service life of the material is prolonged. And the compatilizer is added in the material, so that intermolecular combination among the components is changed into molecular bond combination, and the mechanical property of the material is greatly improved. The flame retardance of the material is improved by adding aluminum powder. The raw materials are uniformly heated by adopting a heat-conducting oil type double-cone dryer; and then the raw material lumps are broken up through a high-speed mixer, and the raw materials are uniformly mixed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A preparation method of an automobile guide plate material comprises the following steps:
s1, preparing raw materials according to parts by weight, wherein the raw materials comprise:
s2, putting the carbon fibers, the glass fibers and the polycarbonate in the step S1 into a pulverizer to obtain powdery raw materials;
s3, putting the powdery raw materials and the rest raw materials into a double-cone dryer for mixing and drying; the bipyramid dryer adopts a heat-conducting oil type;
s4, drying, and then putting into a high-speed stirrer for mixing and scattering raw materials;
s5, heating to 260-280 ℃, and forming by a hot-press forming machine at the pressure of 35 MPa.
Example 2
A preparation method of an automobile guide plate material comprises the following steps:
s1, preparing raw materials according to parts by weight, wherein the raw materials comprise:
s2, putting the carbon fibers, the glass fibers and the polycarbonate in the step S1 into a pulverizer to obtain powdery raw materials;
s3, putting the powdery raw materials and the rest raw materials into a double-cone dryer for mixing and drying; the bipyramid dryer adopts a heat-conducting oil type;
s4, drying, and then putting into a high-speed stirrer for mixing and scattering raw materials;
s5, heating to 260-280 ℃, and forming by a hot-press forming machine at the pressure of 35 MPa.
Wherein the low-temperature modifier is an organic silicon toughening agent.
Example 3
A preparation method of an automobile guide plate material comprises the following steps:
s1, preparing raw materials according to parts by weight, wherein the raw materials comprise:
s2, putting the carbon fibers, the glass fibers and the polycarbonate in the step S1 into a pulverizer to obtain powdery raw materials;
s3, putting the powdery raw materials and the rest raw materials into a double-cone dryer for mixing and drying; the bipyramid dryer adopts a heat-conducting oil type;
s4, drying, and then putting into a high-speed stirrer for mixing and scattering raw materials;
s5, heating to 260-280 ℃, and forming by a hot-press forming machine at the pressure of 35 MPa.
Wherein the compatilizer is grafted by maleic anhydride.
Example 4
A preparation method of an automobile guide plate material comprises the following steps:
s1, preparing raw materials according to parts by weight, wherein the raw materials comprise:
s2, putting the carbon fibers, the glass fibers and the polycarbonate in the step S1 into a pulverizer to obtain powdery raw materials;
s3, putting the powdery raw materials and the rest raw materials into a double-cone dryer for mixing and drying; the bipyramid dryer adopts a heat-conducting oil type;
s4, drying, and then putting into a high-speed stirrer for mixing and scattering raw materials;
s5, heating to 260-280 ℃, and forming by a hot-press forming machine at the pressure of 35 MPa.
Example 5
A preparation method of an automobile guide plate material comprises the following steps:
s1, preparing raw materials according to parts by weight, wherein the raw materials comprise:
s2, putting the carbon fibers, the glass fibers and the polycarbonate in the step S1 into a pulverizer to obtain powdery raw materials;
s3, putting the powdery raw materials and the rest raw materials into a double-cone dryer for mixing and drying; the bipyramid dryer adopts a heat-conducting oil type;
s4, drying, and then putting into a high-speed stirrer for mixing and scattering raw materials;
s5, heating to 260-280 ℃, and forming by a hot-press forming machine at the pressure of 35 MPa.
Example 6
A preparation method of an automobile guide plate material comprises the following steps:
s1, preparing raw materials according to parts by weight, wherein the raw materials comprise:
s2, putting the carbon fibers, the glass fibers and the polycarbonate in the step S1 into a pulverizer to obtain powdery raw materials;
s3, putting the powdery raw materials and the rest raw materials into a double-cone dryer for mixing and drying; the bipyramid dryer adopts a heat-conducting oil type;
s4, drying, and then putting into a high-speed stirrer for mixing and scattering raw materials;
s5, heating to 260-280 ℃, and forming by a hot-press forming machine at the pressure of 35 MPa.
Wherein the low-temperature modifier is an organic silicon toughening agent; the compatilizer is maleic anhydride grafted.
The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.
Claims (6)
1. The preparation method of the automobile guide plate material is characterized by comprising the following steps:
s1, preparing raw materials according to parts by weight, wherein the raw materials comprise:
s2, putting the carbon fibers, the glass fibers and the polycarbonate in the step S1 into a pulverizer to obtain powdery raw materials;
s3, putting the powdery raw materials and the rest raw materials into a double-cone dryer for mixing and drying;
s4, drying, and then putting into a high-speed stirrer for mixing and scattering raw materials;
s5, heating to 260-280 ℃, and forming by a hot-press forming machine at the pressure of 35 MPa.
2. The method for preparing the material of the automobile diversion plate as claimed in claim 1, wherein the raw material further comprises 4-8 parts of a low temperature modifier.
3. The method for preparing the material for the automobile diversion plate as claimed in claim 2, wherein the low temperature modifier is an organosilicon toughening agent.
4. The method for preparing the material for the automobile spoiler of claim 1, further comprising 4-8 parts of a compatibilizer.
5. The method for preparing the material for the automobile air guide plate according to claim 4, wherein the compatilizer is maleic anhydride grafted.
6. The method for preparing an automobile deflector material as claimed in claim 1, wherein the double-cone dryer is a heat-conductive oil type double-cone dryer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010430766.9A CN111647262A (en) | 2020-05-20 | 2020-05-20 | Preparation method of automobile guide plate material |
| PCT/CN2020/095709 WO2021232516A1 (en) | 2020-05-20 | 2020-06-12 | Preparation method for automobile deflector material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010430766.9A CN111647262A (en) | 2020-05-20 | 2020-05-20 | Preparation method of automobile guide plate material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111647262A true CN111647262A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010430766.9A Pending CN111647262A (en) | 2020-05-20 | 2020-05-20 | Preparation method of automobile guide plate material |
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| CN (1) | CN111647262A (en) |
| WO (1) | WO2021232516A1 (en) |
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| WO2021232516A1 (en) | 2021-11-25 |
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Application publication date: 20200911 |
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