CN110982208A - Extruded high-rigidity high-toughness polypropylene material and preparation method and application thereof - Google Patents
Extruded high-rigidity high-toughness polypropylene material and preparation method and application thereof Download PDFInfo
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- 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
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- 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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- 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
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- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L2207/06—Properties of polyethylene
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Abstract
The invention provides an extrusion-grade high-rigidity high-toughness polypropylene material, and a preparation method and application thereof, and belongs to the technical field of materials. The extrusion-grade high-rigidity high-toughness polypropylene material provided by the invention comprises the following raw materials in percentage by mass: 40-50% of co-polypropylene, 30.5-40.5% of homo-polypropylene, 5-10% of mineral filler, 5-15% of high-density polyethylene and 0.5-1.5% of processing aid. The components are matched, and the obtained polypropylene material has higher rigidity and toughness and can replace ABS materials.
Description
Technical Field
The invention relates to the technical field of materials, in particular to an extrusion-grade high-rigidity high-toughness polypropylene material and a preparation method and application thereof.
Background
The ABS material is a thermoplastic high-molecular structure material with high strength, good toughness and easy processing and molding, and is widely applied to the fields of automobiles, electronic and electric products, building materials and DIY manufacturing. However, ABS materials have the disadvantages of high specific gravity and high cost, which limits their applications. Polypropylene is a common high polymer material, and is a semi-crystalline thermoplastic plastic, which has high impact resistance, excellent mechanical properties, organic solvent corrosion resistance, acid and alkali resistance, and lower density than ABS, but has poor rigidity, and cannot achieve the rigidity of ABS material, and cannot be used as a substitute material for ABS material.
Disclosure of Invention
The invention aims to provide an extrusion-level high-rigidity high-toughness polypropylene material, and a preparation method and application thereof.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides an extrusion-grade high-rigidity high-toughness polypropylene material, which comprises the following raw materials in percentage by mass: 40-50% of co-polypropylene, 30.5-40.5% of homo-polypropylene, 5-10% of mineral filler, 5-15% of high-density polyethylene and 0.5-1.5% of processing aid.
Preferably, the copolymerized polypropylene is an ethylene-propylene block copolymer, the melt index is 0.2-0.22 g/10min, and the normal-temperature impact strength is 60kJ/m2The above.
Preferably, the melt index of the homopolymerized polypropylene is 1-7 g/10min, the flexural modulus is 2000-2450 MPa, and the impact strength is 2-5 kJ/m2。
Preferably, the mineral filler is barium sulfate, and the average particle size of the barium sulfate is 1.0-2.0 μm.
Preferably, the high density polyethylene has a melt index of 0.2 to 1.0g/10 min.
Preferably, the processing aid comprises at least one of an antioxidant, a light stabilizer, and a nucleating agent; the antioxidant comprises antioxidant 1010 and/or antioxidant 168, the light stabilizer comprises light stabilizer 944 and/or light stabilizer 770, and the nucleating agent comprises MilladNX 8000K.
The invention also provides a preparation method of the extrusion-level high-rigidity high-toughness polypropylene material, which comprises the following steps:
mixing the co-polypropylene, the homo-polypropylene, the mineral filler, the high-density polyethylene and the processing aid, and then sequentially carrying out melt extrusion and granulation to obtain the extruded high-rigidity high-toughness polypropylene material.
Preferably, the mixing is dry mixing, the mixing speed of the dry mixing is 400-600 rpm, and the dry mixing time is 5-10 min.
Preferably, the melt extrusion process is divided into eleven working temperature zones, specifically: the temperature of the first zone is 180-200 ℃, the temperature of the second zone is 190-220 ℃, the temperature of the third zone is 200-220 ℃, the temperature of the fourth zone is 210-220 ℃, the temperature of the fifth zone is 210-230 ℃, the temperature of the sixth zone is 210-230 ℃, the temperature of the seventh zone is 210-230 ℃, the temperature of the eighth zone is 210-230 ℃, the temperature of the ninth zone is 210-230 ℃, the temperature of the tenth zone is 210-230 ℃, and the temperature of the head; the rotating speed of the screw in the melt extrusion process is 300-450 rpm.
The invention also provides an application of the extrusion-level high-rigidity high-toughness polypropylene material in the technical scheme or the extrusion-level high-rigidity high-toughness polypropylene material obtained by the preparation method in the technical scheme in preparation of a plastic uptake case.
The invention provides an extrusion-grade high-rigidity high-toughness polypropylene material, which comprises the following raw materials in percentage by mass: 40-50% of co-polypropylene, 30.5-40.5% of homo-polypropylene, 5-10% of mineral filler, 5-15% of high-density polyethylene and 0.5-1.5% of processing aid. In the invention, the polypropylene copolymer can improve the rigidity and toughness of the product; the homopolymerized polypropylene resin can improve the bending strength of the product and can also improve the rigidity and the material transparency of the product; the mineral filler can improve the surface gloss of the polypropylene material, has excellent heat resistance, has good dispersibility in a high polymer material, and can increase the rigidity of the material by being mixed with other components; the low-density polyethylene can well reduce the stress whitening phenomenon caused by the polypropylene material, simultaneously enhance the melt strength of the polypropylene material, and the components are matched with each other, so that the obtained polypropylene material has higher rigidity and toughness and can replace ABS (acrylonitrile butadiene styrene) materials.
Detailed Description
The invention provides an extrusion-grade high-rigidity high-toughness polypropylene material, which comprises the following raw materials in percentage by mass: 40-50% of co-polypropylene, 30.5-40.5% of homo-polypropylene, 5-10% of mineral filler, 5-15% of high-density polyethylene and 0.5-1.5% of processing aid.
In the present invention, the melt index is measured under the test condition of 230 ℃/2.16 kg.
In the present invention, the copolymerized polypropylene is preferably an ethylene propylene block copolymer; the melt index of the ethylene-propylene block copolymer is preferably 0.2-0.22 g/10min, and more preferably 0.22g/10 min; the normal-temperature impact strength is preferably 60kJ/m2Above, more preferably 70kJ/m2The above. In the present invention, the copolymerized polypropylene can improve the rigidity and toughness of the product.
In the invention, the melt index of the homopolymerized polypropylene is preferably 1-7 g/10min, more preferably 6.5g/10min, the flexural modulus is preferably 2000-2450 MPa, more preferably 2400MPa, and the impact strength is preferably 2-5 kJ/m2More preferably 4.5kJ/m2. In the invention, the homopolymerized polypropylene can improve the bending strength of the product and can also improve the rigidity and the transparency of the material of the product.
In the invention, the mineral filler is preferably barium sulfate, and the average particle size of the barium sulfate is preferably 1.0-2.0 μm, and more preferably 1.5 μm. In the invention, the mineral filler can improve the surface gloss of the polypropylene material, has excellent heat resistance, has good dispersibility in a high polymer material, and can increase the rigidity of the material by being mixed with other components; in addition, when barium sulfate is used as a mineral filler, the glossiness of the obtained product can be improved due to the cylindrical configuration of the structure of barium sulfate.
In the present invention, the melt index of the high density polyethylene is preferably 0.2 to 1.0g/10min, and more preferably 0.2g/10 min. In the invention, the high-density polyethylene can well reduce the stress whitening phenomenon brought by the polypropylene material, and simultaneously enhance the melt strength of the polypropylene material.
In the present invention, the processing aid preferably includes at least one of an antioxidant, a light stabilizer and a nucleating agent; the antioxidant preferably comprises antioxidant 168 and/or antioxidant 1010, the light stabilizer comprises light stabilizer 944 and/or light stabilizer 770, and the nucleating agent preferably comprises Millad NX 8000K. In the invention, the nucleating agent can change the crystallization behavior of the resin, accelerate the crystallization rate, increase the crystallization density and promote the grain size to be micronized, thereby achieving the purposes of shortening the molding period and improving the physical and mechanical properties of the material, such as transparency, surface gloss, tensile strength, rigidity, heat distortion temperature, impact resistance, creep resistance, flexural modulus and the like.
The invention also provides a preparation method of the extrusion-level high-rigidity high-toughness polypropylene material, which comprises the following steps:
mixing the co-polypropylene, the homo-polypropylene, the mineral filler, the high-density polyethylene and the processing aid, and then sequentially carrying out melt extrusion and granulation to obtain the extruded high-rigidity high-toughness polypropylene material.
The preparation method provided by the invention is simple in process and suitable for industrial application.
In the invention, the mixing is preferably dry mixing, the mixing speed of the dry mixing is preferably 400-600 rpm, and the time for the dry mixing is preferably 5-10 min. In the present embodiment, the mixing is preferably carried out in a high speed mixer, preferably a vertical agitation type mixer.
In the present invention, the melt extrusion process is preferably divided into eleven working temperature zones, specifically: the temperature of the first zone is 180-200 ℃, the temperature of the second zone is 190-220 ℃, the temperature of the third zone is 200-220 ℃, the temperature of the fourth zone is 210-220 ℃, the temperature of the fifth zone is 210-230 ℃, the temperature of the sixth zone is 210-230 ℃, the temperature of the seventh zone is 210-230 ℃, the temperature of the eighth zone is 210-230 ℃, the temperature of the ninth zone is 210-230 ℃, the temperature of the tenth zone is 210-230 ℃, and the temperature of the head; the rotation speed of a screw in the melt extrusion process is preferably 300-450 rpm; the yield of the melt extrusion is preferably 20-200 kg/h.
In the present invention, the melt extrusion is preferably carried out on a twin-screw melt extruder.
After granulation, the present invention preferably further comprises drying. In the invention, the drying temperature is preferably 90-100 ℃, and the drying time is preferably 2-3 h.
The invention also provides an application of the extrusion-level high-rigidity high-toughness polypropylene material in the technical scheme or the extrusion-level high-rigidity high-toughness polypropylene material obtained by the preparation method in the technical scheme in preparation of a plastic uptake case.
The following will describe the extruded high-rigidity high-toughness polypropylene material and its preparation method and application in detail with reference to the examples, but they should not be construed as limiting the scope of the invention.
Example 1
In this example, the raw materials are:
ethylene propylene block copolymer: the test condition is 230 ℃/2.16kg, the melt flow rate of the ethylene-propylene block copolymer is 0.22g/10min, and the normal-temperature impact strength is 70kJ/m2；
Homo-polypropylene: the melt index is 6.5g/10min, the flexural modulus is 2400MPa, and the impact strength is 4.5kJ/m2；
Barium sulfate: the average particle diameter is 1.5 mu m;
high density polyethylene: the melt index is 0.2g/10 min;
antioxidant 1010, antioxidant 168, nucleating agent (i.e., MilladNX 8000K);
weighing the following raw materials in percentage by mass: 45% of ethylene propylene block copolymer, 39.5% of homo-polypropylene, 5% of barium sulfate, 10% of high-density polyethylene, 10100.2% of antioxidant, 1680.1% of antioxidant and 0.2% of nucleating agent;
stirring the weighed raw materials in a vertical stirring high-speed mixer at the rotating speed of 600rpm for 10min, and then conveying the raw materials to a double-screw extruder for melt extrusion, granulation and drying to obtain an extruded high-rigidity high-toughness polypropylene material; the temperature of each temperature zone of the extruder is as follows: the first zone is 180 ℃, the second zone is 190 ℃, the third zone is 200 ℃, the fourth zone is 220 ℃, the fifth zone is 210 ℃, the sixth zone is 210 ℃, the seventh zone is 210 ℃, the eighth zone is 210 ℃, the ninth zone is 210 ℃, the tenth zone is 220 ℃ and the head zone is 220 ℃; the screw speed during melt extrusion was 450rpm, and the melt extrusion throughput was 25 kg/h.
Example 2
The raw materials in example 1 are adopted and weighed according to the following mass percentages: 45% of ethylene propylene block copolymer, 34.5% of homo-polypropylene, 10% of barium sulfate, 10% of high-density polyethylene, 10100.2% of antioxidant, 1680.1% of antioxidant and 0.2% of nucleating agent;
extruded high stiffness and toughness polypropylene was prepared as in example 1.
Example 3
The raw materials in example 1 are adopted and weighed according to the following mass percentages: 40% of ethylene propylene block copolymer, 34.5% of homo-polypropylene, 10% of barium sulfate, 15% of high-density polyethylene, 10100.2% of antioxidant, 1680.1% of antioxidant and 0.2% of nucleating agent;
extruded high stiffness and toughness polypropylene was prepared as in example 1.
Comparative example 1
The raw materials in example 1 are adopted and weighed according to the following mass percentages: 50% of ethylene-propylene block copolymer, 39.5% of homo-polypropylene, 10% of high-density polyethylene, 10100.2% of antioxidant, 1680.1% of antioxidant and 0.2% of nucleating agent;
extruded high stiffness and toughness polypropylene was prepared as in example 1.
Comparative example 2
The raw materials in example 1 are adopted and weighed according to the following mass percentages: 50% of ethylene-propylene block copolymer, 39.5% of homo-polypropylene, 10% of barium sulfate, 10100.2% of antioxidant, 1680.1% of antioxidant and 0.2% of nucleating agent;
extruded high stiffness and toughness polypropylene was prepared as in example 1.
Comparative example 3
The raw materials in example 1 are adopted and weighed according to the following mass percentages: 50% of ethylene-propylene block copolymer, 44.5% of homo-polypropylene, 5% of barium sulfate, 10100.2% of antioxidant, 1680.1% of antioxidant and 0.2% of nucleating agent;
extruded high stiffness and toughness polypropylene was prepared as in example 1.
Comparative example 4
The raw materials in example 1 are adopted to prepare the extrusion-grade high-rigidity high-toughness polypropylene material according to the method in example 1, and the raw materials are weighed according to the following mass percentages: 94.5 percent of homopolymerized polypropylene, 5 percent of barium sulfate, 10100.2 percent of antioxidant, 1680.1 percent of antioxidant and 0.2 percent of nucleating agent;
comparative example 5
The ABS material plate produced by the manufacturer LG is taken as a comparative example 5.
And (3) carrying out injection molding sample preparation on the products obtained in the examples 1-3 and the comparative examples 1-4 on an injection molding machine, and testing the performance, wherein the specific test method comprises the following steps:
bending property: according to ISO 178, the sample size is 80mm multiplied by 10mm multiplied by 4mm, the bending speed is 2mm/min, and the span is 64 mm;
cantilever beam impact strength: the test piece is processed according to ISO 179, the size of the test piece is 80mm multiplied by 6mm multiplied by 4mm, and the depth of the notch is one third of the thickness of the test piece;
gloss: the measurement was carried out according to ISO 2813, the specimen size being 80mm by 3mm, gloss tester 60 °.
The test results are shown in table 1:
TABLE 1 Performance test results of the products obtained in examples 1 to 3 and comparative examples 1 to 4
As shown in Table 1, the polypropylene materials obtained in examples 1-3 have a density lower than that of comparative example 5, an impact strength much higher than that of comparative examples 4 and 5, which shows that the polypropylene materials have excellent toughness, and a melt index lower than that of comparative examples 1-3 and much lower than that of comparative example 5, which shows that the polypropylene materials have high melt strength and have better surface and appearance (the product has a smoother surface and no pock marks on the surface). In addition, the polypropylene materials obtained in the examples 1 to 3 have good impact strength and bending strength, and the bending modulus is higher than that of the polypropylene materials obtained in the comparative examples 1 to 3, which shows that the polypropylene materials have higher rigidity, are closer to that of the polypropylene materials obtained in the comparative example 5, have good toughness, can be used as alternative materials of ABS materials, and reduce the cost compared with the ABS materials.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An extruded high-rigidity high-toughness polypropylene material is characterized by comprising the following raw materials in percentage by mass: 40-50% of co-polypropylene, 30.5-40.5% of homo-polypropylene, 5-10% of mineral filler, 5-15% of high-density polyethylene and 0.5-1.5% of processing aid.
2. The extruded high stiffness and toughness polypropylene material of claim 1, wherein the co-polypropylene is an ethylene propylene block copolymer; the melt index is 0.2-0.22 g/10min, and the normal-temperature impact strength is 60kJ/m2The above.
3. The extruded high-rigidity high-toughness polypropylene material as claimed in claim 1, wherein the melt index of the homo-polypropylene is 1-7 g/10min, the flexural modulus is 2000-2450 MPa, and the impact strength is 2-5 kJ/m2。
4. The extruded high-rigidity high-toughness polypropylene material as claimed in claim 1, wherein the mineral filler is barium sulfate, and the average particle size of the barium sulfate is 1.0-2.0 μm.
5. The extruded high-rigidity high-toughness polypropylene material as claimed in claim 1, wherein the melt index of the high-density polyethylene is 0.2-1.0 g/10 min.
6. The extruded high stiffness, high toughness polypropylene material of claim 1, wherein the processing aid comprises at least one of an antioxidant, a light stabilizer, and a nucleating agent; the antioxidant comprises antioxidant 1010 and/or antioxidant 168, the light stabilizer comprises light stabilizer 944 and/or light stabilizer 770, and the nucleating agent comprises MilladNX 8000K.
7. The preparation method of the extruded high-rigidity high-toughness polypropylene material as claimed in any one of claims 1 to 6, comprising the following steps:
mixing the co-polypropylene, the homo-polypropylene, the mineral filler, the high-density polyethylene and the processing aid, and then sequentially carrying out melt extrusion and granulation to obtain the extruded high-rigidity high-toughness polypropylene material.
8. The method according to claim 7, wherein the mixing is dry mixing at a mixing speed of 400 to 600rpm for 5 to 10 min.
9. The method according to claim 7, wherein the melt extrusion process is divided into eleven working temperature zones, in particular: the temperature of the first zone is 180-200 ℃, the temperature of the second zone is 190-220 ℃, the temperature of the third zone is 200-220 ℃, the temperature of the fourth zone is 210-220 ℃, the temperature of the fifth zone is 210-230 ℃, the temperature of the sixth zone is 210-230 ℃, the temperature of the seventh zone is 210-230 ℃, the temperature of the eighth zone is 210-230 ℃, the temperature of the ninth zone is 210-230 ℃, the temperature of the tenth zone is 210-230 ℃, and the temperature of the head; the rotating speed of the screw in the melt extrusion process is 300-450 rpm.
10. Use of the extruded high-rigidity and high-toughness polypropylene material as defined in any one of claims 1 to 6 or the extruded high-rigidity and high-toughness polypropylene material obtained by the preparation method as defined in any one of claims 7 to 9 in preparation of plastic uptake cases.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625348A (en) * | 2020-12-15 | 2021-04-09 | 江苏金发科技新材料有限公司 | Polypropylene composite material for new energy automobile exterior trim and preparation method thereof |
| CN114507399A (en) * | 2022-03-24 | 2022-05-17 | 成都金发科技新材料有限公司 | Polypropylene material and preparation method and application thereof |
| CN114752146A (en) * | 2022-03-31 | 2022-07-15 | 金发科技股份有限公司 | High-melt-strength polypropylene composite material and preparation method and application thereof |
| CN115418049A (en) * | 2022-09-06 | 2022-12-02 | 上海金山锦湖日丽塑料有限公司 | Low-density high-rigidity high-impact modified polypropylene material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000327866A (en) * | 1999-05-25 | 2000-11-28 | Chisso Corp | Polypropylene container |
| CN103374179A (en) * | 2012-04-13 | 2013-10-30 | 合肥杰事杰新材料股份有限公司 | Polypropylene composition, preparation method and application thereof |
| CN107573587A (en) * | 2017-08-29 | 2018-01-12 | 东莞市亨嘉橡塑科技有限公司 | A special polypropylene composite material for safety helmets and its preparation method |
-
2019
- 2019-12-18 CN CN201911311917.2A patent/CN110982208A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000327866A (en) * | 1999-05-25 | 2000-11-28 | Chisso Corp | Polypropylene container |
| CN103374179A (en) * | 2012-04-13 | 2013-10-30 | 合肥杰事杰新材料股份有限公司 | Polypropylene composition, preparation method and application thereof |
| CN107573587A (en) * | 2017-08-29 | 2018-01-12 | 东莞市亨嘉橡塑科技有限公司 | A special polypropylene composite material for safety helmets and its preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 王文广: "《聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625348A (en) * | 2020-12-15 | 2021-04-09 | 江苏金发科技新材料有限公司 | Polypropylene composite material for new energy automobile exterior trim and preparation method thereof |
| CN114507399A (en) * | 2022-03-24 | 2022-05-17 | 成都金发科技新材料有限公司 | Polypropylene material and preparation method and application thereof |
| CN114507399B (en) * | 2022-03-24 | 2023-08-08 | 成都金发科技新材料有限公司 | Polypropylene material and preparation method and application thereof |
| CN114752146A (en) * | 2022-03-31 | 2022-07-15 | 金发科技股份有限公司 | High-melt-strength polypropylene composite material and preparation method and application thereof |
| CN114752146B (en) * | 2022-03-31 | 2024-05-14 | 金发科技股份有限公司 | High-melt-strength polypropylene composite material and preparation method and application thereof |
| CN115418049A (en) * | 2022-09-06 | 2022-12-02 | 上海金山锦湖日丽塑料有限公司 | Low-density high-rigidity high-impact modified polypropylene material and preparation method thereof |
| CN115418049B (en) * | 2022-09-06 | 2024-05-03 | 上海金山锦湖日丽塑料有限公司 | Low-density high-rigidity high-impact modified polypropylene material and preparation method thereof |
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Application publication date: 20200410 |