CN115073874A - Polypropylene composite material for automobile spoiler and preparation method thereof - Google Patents
Polypropylene composite material for automobile spoiler and preparation method thereof Download PDFInfo
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- CN115073874A CN115073874A CN202110271434.5A CN202110271434A CN115073874A CN 115073874 A CN115073874 A CN 115073874A CN 202110271434 A CN202110271434 A CN 202110271434A CN 115073874 A CN115073874 A CN 115073874A
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 83
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 61
- -1 Polypropylene Polymers 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 44
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 44
- 239000011256 inorganic filler Substances 0.000 claims abstract description 31
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 31
- 238000012360 testing method Methods 0.000 claims abstract description 25
- 239000000155 melt Substances 0.000 claims abstract description 22
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229920001577 copolymer Polymers 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 6
- 229920001225 polyester resin Polymers 0.000 claims abstract 2
- 239000004645 polyester resin Substances 0.000 claims abstract 2
- 238000001125 extrusion Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 11
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 229920006124 polyolefin elastomer Polymers 0.000 abstract description 32
- 239000000463 material Substances 0.000 abstract description 14
- 239000004033 plastic Substances 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 8
- 229920007019 PC/ABS Polymers 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 description 21
- 239000000806 elastomer Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 9
- 238000005452 bending Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- 235000012222 talc Nutrition 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a polypropylene composite material for an automobile spoiler, which comprises the following raw materials in percentage by weight: 39.4-54.4% of polypropylene PP, 30-35% of high-performance inorganic filler, 15-25% of POE (polyolefin elastomer), 0.25-0.35% of antioxidant A and 0.25-0.35% of antioxidant B, wherein the high-performance inorganic filler is superfine talcum powder, and the particle size ranges of the high-performance inorganic filler and the superfine talcum powder are 1-3 mu m; the POE is linear ethylene-octene copolymer with density of 0.88-0.90g/cm 3 The melt index of the polyester resin is 0.5-10g/10min under the test condition of 190 ℃ and 2.16 kg. The polypropylene composite material has better rigidity-toughness balance performance and thermal stability performance, can replace PC/ABS (plastic alloy) materials to be used for manufacturing automobile spoilers, and reduces the part cost. At the same time, the invention also disclosesA preparation method of the polypropylene composite material for the automobile spoiler.
Description
Technical Field
The invention relates to the technical field of polymer modification, in particular to a polypropylene composite material for an automobile spoiler and a preparation method thereof.
Background
In order to effectively reduce the influence of air resistance when the automobile runs at high speed, the tail part of the automobile is provided with a spoiler (also called tail wing) which has the function of enabling air to generate adhesive force on the ground for the automobile so as to offset a part of aerodynamic lift force, control the automobile to float upwards and enable the automobile to run by being attached to a road, thereby playing the role of improving the running stability of the automobile.
The current mainstream automobile spoiler material is PC/ABS (plastic alloy), and the cost is very high. As a general plastic, polypropylene has the advantages of low cost, low density, good chemical resistance, good processing technology, easy recycling and the like, and is widely applied to automobile interior and exterior trims, such as automobile instrument panels, bumpers, stand columns, side walls, auxiliary instrument panels and the like, and the automobile decoration part polyolefin has become a trend.
However, polypropylene also has the disadvantages of low mechanical strength, poor impact performance, large shrinkage rate, high material cost and the like, so that the polypropylene needs to be modified in the actual use process to meet the performance requirements of various parts.
Disclosure of Invention
In view of the above, the invention provides a polypropylene composite material for an automobile spoiler and a preparation method thereof, and the prepared polypropylene composite material has high strength and high toughness, has a relatively low linear expansion coefficient, can directly and vertically switch the existing PC/ABS (plastic alloy) spoiler, and reduces the material cost.
In one aspect of the present invention, there is provided a polypropylene composite for an automotive spoiler, comprising:
polypropylene PP, high-performance inorganic filler, elastomer POE, antioxidant A and antioxidant B.
According to the embodiment of the invention, the polypropylene PP, the high-performance inorganic filler, the elastomer POE, the antioxidant A and the antioxidant B are (39.4-54.4) in percentage by mass: (30-35): (15-25): (0.25-0.35): (0.25-0.35).
Wherein the polypropylene PP is block copolymer polypropylene produced by Shanghai petrochemical industry, has a trade name of PP M2600R, and has a melt index of 10-30g/10min under the test conditions of 230 ℃ and 2.16 kg. The polypropylene PP is 39.4-54.4% by weight, specifically 39.4%, 44.4%, 49.4%, 54.4% and other values within this range.
The high-performance inorganic filler is superfine talcum powder, and the particle size ranges of the superfine talcum powder are 1-3 mu m. Specifically, the particle size may be 1 μm, 1.5 μm, 2 μm, 2.5 μm, 3 μm, and other values within this range. After the superfine talcum powder with the particle size range is added, the rigidity, the surface scratch resistance and the thermal stability of the obtained material can be obviously improved, and the superfine talcum powder also has a lubricating effect and can improve the processing manufacturability of the material.
The POE is a linear ethylene-octene copolymer produced by Dow company in America, has the dual characteristics of rubber and plastics due to the special molecular chain segment structure, and has the density of 0.88-0.90g/cm 3 A melt index of 0.5 to 10g/10min at 190 ℃, under test conditions of 2.16kg, a weight percentage of the elastomer POE of 15 to 25%, in particular 15%, 20%, 25% and other values within this range. After being added and mixed, the mechanical property and the heat aging resistance of the obtained material can be improved.
The antioxidant A comprises one or more of 3114 and 1010 produced by Ciba company and DSTP produced by ICE company in UK, and the weight percentage of the antioxidant A is 0.25-0.35%, specifically, 0.25%, 0.3%, 0.35% and other values in the range.
The antioxidant B comprises one or two of 618 and 168 produced by Ciba company, and the weight percentage of the antioxidant B is 0.25-0.35%, specifically, 0.25%, 0.3%, 0.35% and other values in the range.
In some embodiments of the invention, the linear expansion coefficient of the prepared polypropylene composite material is obviously reduced by adding high-performance superfine talcum powder and POE (polyolefin elastomer) into a polypropylene composite material formula system, so that the thermal stability and the thermal shock resistance of the material are obviously improved. In addition, the addition of the high-performance talcum powder and the elastomer POE also enables the prepared polypropylene composite material to have stronger rigidity and toughness and stronger impact resistance, thereby improving the stability of the automobile in the driving process.
In a second aspect of the present invention, the present invention provides a method for preparing the above polypropylene composite for automotive spoilers, comprising:
(1) fully mixing the raw materials of the components in a high-speed mixer according to the proportion to obtain a mixture;
(2) and conveying the obtained mixture to a double-screw extruder for melt extrusion, granulation and drying to obtain the polypropylene composite material.
In some embodiments of the present invention, in the step (1), the rotation speed of the high-speed mixer is 600-1800 rpm, and the stirring time is 2-4 minutes.
In some embodiments of the present invention, in the step (2), the conditions of the melt extrusion in the twin-screw extruder are: the first zone is 190-.
In some embodiments of the present invention, in the step (2), the screw rotation speed of the twin-screw extruder is 150-.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
The invention will now be described with reference to specific examples, which are intended to be illustrative only and not to be limiting in any way.
Example 1
54.4% of polypropylene PP, 15% of elastomer POE, 30% of high-performance inorganic filler A, 0.3% of antioxidant A and 0.3% of antioxidant B are weighed, wherein in the example, the melt flow rate of the polypropylene PP is 25g/10min (test conditions: 230 ℃, 2.16kg), the elastomer POE is linear ethylene-octene copolymer and the density is 0.88-0.90g/cm 3 The melt index of the high-performance inorganic filler is 0.5-10g/10min under the test conditions of 190 ℃ and 2.16kg, the inorganic filler A is 5000-mesh talcum powder, the average grain diameter is 2.5 mu m, the antioxidant A is DSTP and 3114, and the antioxidant B is 168. Mixing the above materials in a high speed mixer to obtain a mixture with a viscosity higher than that of the mixtureStirring for 2-4 minutes at the rotating speed of 600 revolutions per minute, uniformly mixing to obtain a premix, putting the premix into a double-screw extruder for melt extrusion, and granulating and drying to obtain the polypropylene composite material.
The conditions of melt extrusion of the twin-screw extruder were: the first zone is 190-. The rotation speed of the screw is 150-300 r/min, and the residence time of the whole extrusion process is 1-3 min.
Example 2
49.4% of polypropylene PP, 20% of elastomer POE, 30% of high-performance inorganic filler A, 0.3% of antioxidant A and 0.3% of antioxidant B are weighed, wherein in the example, the melt flow rate of the polypropylene PP is 25g/10min (test conditions: 230 ℃, 2.16kg), the elastomer POE is linear ethylene-octene copolymer and the density is 0.88-0.90g/cm 3 The melt index of the high-performance inorganic filler is 0.5-10g/10min under the test conditions of 190 ℃ and 2.16kg, the inorganic filler A is 5000-mesh talcum powder, the average grain diameter is 2.5 mu m, the antioxidant A is DSTP and 3114, and the antioxidant B is 168. And (2) stirring the raw materials in a high-speed mixer at a rotating speed higher than 600 revolutions per minute for 2-4 minutes, uniformly mixing to obtain a premix, putting the premix into a double-screw extruder for melt extrusion, and granulating and drying to obtain the polypropylene composite material.
The conditions of melt extrusion of the twin-screw extruder were: the first zone is 190-. The rotation speed of the screw is 150-300 r/min, and the residence time of the whole extrusion process is 1-3 min.
Example 3
44.4% of polypropylene PP, 25% of elastomer POE, 30% of high-performance inorganic filler A, 0.3% of antioxidant A and 0.3% of antioxidant B are weighed, wherein in the example, the melt flow rate of the polypropylene PP is 25g/10min (test conditions: 230 ℃, 2.16kg), the elastomer POE is linear ethylene-octene copolymer and the density is 0.88-0.90g/cm 3 Which melts at 190 ℃ under the test conditions of 2.16kgThe index is 0.5-10g/10min, the inorganic filler A is 5000 meshes of talcum powder, the average grain diameter is 2.5 mu m, the antioxidant A is DSTP and 3114, and the antioxidant B is 168. And (2) stirring the raw materials in a high-speed mixer at a rotating speed higher than 600 revolutions per minute for 2-4 minutes, uniformly mixing to obtain a premix, putting the premix into a double-screw extruder for melt extrusion, and granulating and drying to obtain the polypropylene composite material.
The conditions of melt extrusion of the twin-screw extruder were: the first zone is 190-200 ℃, the second zone is 200-210 ℃, the third zone is 210-230 ℃, the fourth zone is 205-220 ℃, and the pressure is 15-20 MPa. The rotation speed of the screw is 150-300 r/min, and the residence time of the whole extrusion process is 1-3 min.
Example 4
49.4% of polypropylene PP, 15% of elastomer POE, 35% of high-performance inorganic filler A, 0.3% of antioxidant A and 0.3% of antioxidant B are weighed, the polypropylene PP having, in the present example, a melt flow rate of 25g/10min (test conditions: 230 ℃ C., 2.16kg), the elastomer POE being a linear ethylene-octene copolymer and having a density of 0.88-0.90g/cm 3 The melt index of the high-performance inorganic filler is 0.5-10g/10min under the test conditions of 190 ℃ and 2.16kg, the inorganic filler A is 5000-mesh talcum powder, the average grain diameter is 2.5 mu m, the antioxidant A is DSTP and 3114, and the antioxidant B is 168. And (2) stirring the raw materials in a high-speed mixer at a rotating speed higher than 600 revolutions per minute for 2-4 minutes, uniformly mixing to obtain a premix, putting the premix into a double-screw extruder for melt extrusion, and granulating and drying to obtain the polypropylene composite material.
The conditions of melt extrusion of the twin-screw extruder were: the first zone is 190-. The rotation speed of the screw is 150-300 r/min, and the residence time of the whole extrusion process is 1-3 min.
Example 5
44.4% of polypropylene PP, 20% of elastomer POE, 35% of high-performance inorganic filler A, 0.3% of antioxidant A and 0.3% of antioxidant B are weighed, it being noted that in the present example, the polypropylene PP is a meltThe flow rate is 25g/10min (test conditions: 230 ℃, 2.16kg), the elastomer POE is a linear ethylene-octene copolymer, the density is 0.88-0.90g/cm 3 The melt index of the high-performance inorganic filler is 0.5-10g/10min under the test conditions of 190 ℃ and 2.16kg, the inorganic filler A is 5000-mesh talcum powder, the average grain diameter is 2.5 mu m, the antioxidant A is DSTP and 3114, and the antioxidant B is 168. And (2) stirring the raw materials in a high-speed mixer at a rotating speed higher than 600 revolutions per minute for 2-4 minutes, uniformly mixing to obtain a premix, putting the premix into a double-screw extruder for melt extrusion, and granulating and drying to obtain the polypropylene composite material.
The conditions of melt extrusion of the twin-screw extruder were: the first zone is 190-. The rotation speed of the screw is 150-300 r/min, and the residence time of the whole extrusion process is 1-3 min.
Example 6
39.4% of polypropylene PP, 25% of elastomer POE, 35% of high-performance inorganic filler A, 0.3% of antioxidant A and 0.3% of antioxidant B are weighed, the polypropylene PP having a melt flow rate of 25g/10min (test conditions: 230 ℃, 2.16kg), the elastomer POE being a linear ethylene-octene copolymer and having a density of 0.88-0.90g/cm, in this example 3 The melt index of the high-performance inorganic filler is 0.5-10g/10min under the test conditions of 190 ℃ and 2.16kg, the inorganic filler A is 5000-mesh talcum powder, the average grain diameter is 2.5 mu m, the antioxidant A is DSTP and 3114, and the antioxidant B is 168. And (2) stirring the raw materials in a high-speed mixer at a rotating speed higher than 600 revolutions per minute for 2-4 minutes, uniformly mixing to obtain a premix, putting the premix into a double-screw extruder for melt extrusion, and granulating and drying to obtain the polypropylene composite material.
The conditions of melt extrusion of the twin-screw extruder were: the first zone is 190-. The rotation speed of the screw is 150-300 r/min, and the residence time of the whole extrusion process is 1-3 min.
Comparative example 1
Weighing 494% of polypropylene PP, 20% of elastomer POE, 30% of high-performance inorganic filler B, 0.3% of antioxidant A, 0.3% of antioxidant B, it being noted that in this comparative example the polypropylene PP has a melt flow rate of 25g/10min (test conditions: 230 ℃, 2.16kg), the elastomer POE is a linear ethylene-octene copolymer and has a density of 0.88-0.90g/cm 3 The melt index of the high-performance inorganic filler is 0.5-10g/10min under the test conditions of 190 ℃ and 2.16kg, the high-performance inorganic filler B is 1250-mesh talcum powder, the average grain diameter is 10 mu m, the antioxidant A is DSTP and 3114, and the antioxidant B is 168. And (2) stirring the raw materials in a high-speed mixer at a rotating speed higher than 600 revolutions per minute for 2-4 minutes, uniformly mixing to obtain a premix, putting the premix into a double-screw extruder for melt extrusion, and granulating and drying to obtain the polypropylene composite material.
The conditions of the melt extrusion of the twin-screw extruder are as follows: the first zone is 190-. The rotation speed of the screw is 150-300 r/min, and the residence time of the whole extrusion process is 1-3 min.
Comparative example 2
44.4% of polypropylene PP, 20% of elastomer POE, 35% of high-performance inorganic filler B, 0.3% of antioxidant A and 0.3% of antioxidant B are weighed, wherein in the comparative example, the polypropylene PP has a melt flow rate of 25g/10min (test conditions: 230 ℃, 2.16kg), the elastomer POE is a linear ethylene-octene copolymer and has a density of 0.88-0.90g/cm 3 The melt index of the high-performance inorganic filler is 0.5-10g/10min under the test conditions of 190 ℃ and 2.16kg, the high-performance inorganic filler B is 1250-mesh talcum powder, the average grain diameter is 10 mu m, the antioxidant A is DSTP and 3114, and the antioxidant B is 168. And (2) stirring the raw materials in a high-speed mixer at a rotating speed higher than 600 revolutions per minute for 2-4 minutes, uniformly mixing to obtain a premix, putting the premix into a double-screw extruder for melt extrusion, and granulating and drying to obtain the polypropylene composite material.
The conditions of melt extrusion of the twin-screw extruder were: the first zone is 190-. The rotation speed of the screw is 150-300 r/min, and the residence time of the whole extrusion process is 1-3 min.
TABLE 1 formulations (unit:%) of examples 1 to 6 and comparative examples 1 to 2
The polypropylene composite materials obtained in examples 1 to 6 and comparative examples 1 to 2 were tested and evaluated for notched impact strength, tensile strength, flexural modulus and linear expansion coefficient, according to the following test methods and criteria:
the plastic particle material prepared by the method is dried in a forced air drying oven at 100 ℃ for 2-4 hours, and then the dried granules are injected and molded on an injection molding machine to prepare samples. Tensile properties were carried out according to ISO 527, with specimen dimensions of 170X 10X 4mm dumbbell specimen at a tensile speed of 50 mm/min; the bending property test is carried out according to ISO 178, the size of a test sample is 80 multiplied by 10 multiplied by 4mm, the bending speed is 2mm/min, and the span is 64 mm; the simple beam notch impact strength is carried out according to ISO 179, the sample size is 80X 10X 4mm, the notch type adopts the A-type notch in the standard, the linear expansion coefficient is according to ISO11359, and the sample size is 8X 4 mm.
The results of the performance tests of examples 1-6 and comparative examples 1-2 are shown in Table 2:
TABLE 2 test results of examples 1-6 and comparative examples 1-2
From the comparison of the test results of examples 1-6 and comparative examples 1-2, it can be seen that the tensile strength and flexural modulus of the polypropylene composite material prepared by adding the high-performance talc powder, that is, the inorganic filler A, are obviously increased, and the linear expansion coefficient is obviously reduced, which indicates that the addition of the high-performance talc powder can improve the rigidity and toughness of the obtained material, and from examples 1-3 and examples 4-6, it can be seen that the linear expansion coefficient is gradually reduced and the impact property is gradually enhanced with the increase of the content of POE (polyolefin elastomer), which indicates that the increase of POE (polyolefin elastomer) can enhance the thermal stability and impact resistance of the obtained material; it can be seen from the comparison of examples 4-6 with examples 1-3 that as the talc content increases, the tensile strength and flexural modulus increase gradually, but the impact properties decrease gradually, and the linear expansion coefficient partially decreases, indicating that high performance talc is not added as much as possible and is in a suitable range. Therefore, the prepared polypropylene composite material has high strength, high toughness and good thermal stability by adding a proper amount of high-performance superfine talcum powder and POE (polyolefin elastomer) and reasonably matching the mixture ratio of the components, and meets the requirements of automobile spoiler materials.
The polypropylene composite material provided by the invention can be used in an automobile spoiler, can directly and vertically switch the current PC/ABS (plastic alloy) spoiler without increasing the die sinking cost, and can effectively replace parts in the PC/ABS (plastic alloy) material scheme field, thereby reducing the manufacturing cost.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. The polypropylene composite material for the automobile spoiler is characterized by comprising the following raw materials in percentage by weight:
the high-performance inorganic filler is superfine talcum powder, and the particle size ranges of the superfine talcum powder are 1-3 mu m; the POE is linear ethylene-octene copolymer with density of 0.88-0.90g/cm 3 The melt index of the polyester resin is 0.5-10g/10min under the test condition of 190 ℃ and 2.16 kg.
2. The polypropylene composite for an automotive spoiler of claim 1, wherein the polypropylene is a block co-polypropylene having a melt index of 10 to 30g/10min at 230 ℃ under a test condition of 2.16 kg.
3. The polypropylene composite for automotive spoilers according to claim 1, wherein the antioxidant a is one or more of 3114, 1010 and DSTP.
4. The polypropylene composite for automotive spoilers according to claim 1, wherein the antioxidant B is one or both of 618 and 168.
5. The method for preparing a polypropylene composite for an automotive spoiler of any one of claims 1 to 4, comprising the steps of:
fully mixing the raw materials of the components in a high-speed mixer according to the proportion to obtain a mixture;
and conveying the obtained mixture to a double-screw extruder for melt extrusion, granulation and drying to obtain the polypropylene composite material.
6. The method for preparing a polypropylene composite material for an automobile spoiler as claimed in claim 5, wherein the rotation speed of the high-speed mixer is 600-1800 rpm, and the stirring time is 2-4 minutes.
7. The method for preparing a polypropylene composite material for an automobile spoiler of claim 5, wherein the conditions of melt extrusion in the twin-screw extruder are: the first zone is 190-.
8. The method as claimed in claim 5, wherein the rotation speed of the screw rod of the twin-screw extruder is 150-300 rpm, and the residence time of the whole extrusion process is 1-3 minutes.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923381A (en) * | 2013-12-28 | 2014-07-16 | 上海普利特复合材料股份有限公司 | High-modulus and ultrahigh-impact polypropylene composite material and its preparation method |
| CN104592645A (en) * | 2014-12-22 | 2015-05-06 | 上海普利特复合材料股份有限公司 | Low-density low-shrinkage high-impact polypropylene composite material and preparation method thereof |
| CN105542375A (en) * | 2015-12-30 | 2016-05-04 | 上海普利特复合材料股份有限公司 | High-performance polypropylene composite material applicable to thin-walled part injection molding and preparation method thereof |
| CN105602179A (en) * | 2015-12-30 | 2016-05-25 | 上海普利特复合材料股份有限公司 | High-rigidity, low-shrinkage and good-appearance polypropylene composite material and preparation method thereof |
| CN108546385A (en) * | 2018-03-13 | 2018-09-18 | 上海普利特复合材料股份有限公司 | A kind of automobile seamless gasbag instrument board high-performance polypropylene compound material and preparation method thereof |
-
2021
- 2021-03-12 CN CN202110271434.5A patent/CN115073874A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923381A (en) * | 2013-12-28 | 2014-07-16 | 上海普利特复合材料股份有限公司 | High-modulus and ultrahigh-impact polypropylene composite material and its preparation method |
| CN104592645A (en) * | 2014-12-22 | 2015-05-06 | 上海普利特复合材料股份有限公司 | Low-density low-shrinkage high-impact polypropylene composite material and preparation method thereof |
| CN105542375A (en) * | 2015-12-30 | 2016-05-04 | 上海普利特复合材料股份有限公司 | High-performance polypropylene composite material applicable to thin-walled part injection molding and preparation method thereof |
| CN105602179A (en) * | 2015-12-30 | 2016-05-25 | 上海普利特复合材料股份有限公司 | High-rigidity, low-shrinkage and good-appearance polypropylene composite material and preparation method thereof |
| CN108546385A (en) * | 2018-03-13 | 2018-09-18 | 上海普利特复合材料股份有限公司 | A kind of automobile seamless gasbag instrument board high-performance polypropylene compound material and preparation method thereof |
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