CN112552632A - High-performance polypropylene material and preparation method thereof - Google Patents
High-performance polypropylene material and preparation method thereof Download PDFInfo
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- CN112552632A CN112552632A CN201910919893.2A CN201910919893A CN112552632A CN 112552632 A CN112552632 A CN 112552632A CN 201910919893 A CN201910919893 A CN 201910919893A CN 112552632 A CN112552632 A CN 112552632A
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 58
- -1 polypropylene Polymers 0.000 title claims abstract description 55
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 33
- 239000011256 inorganic filler Substances 0.000 claims abstract description 29
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 13
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 13
- 239000004611 light stabiliser Substances 0.000 claims abstract description 13
- 239000012745 toughening agent Substances 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000005469 granulation Methods 0.000 claims description 9
- 230000003179 granulation Effects 0.000 claims description 9
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 7
- 235000013539 calcium stearate Nutrition 0.000 claims description 7
- 239000008116 calcium stearate Substances 0.000 claims description 7
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 150000002989 phenols Chemical group 0.000 claims description 6
- 239000010456 wollastonite Substances 0.000 claims description 6
- 229910052882 wollastonite Inorganic materials 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 4
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 4
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 4
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 3
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 claims description 3
- VTJUKNSKBAOEHE-UHFFFAOYSA-N calixarene Chemical class COC(=O)COC1=C(CC=2C(=C(CC=3C(=C(C4)C=C(C=3)C(C)(C)C)OCC(=O)OC)C=C(C=2)C(C)(C)C)OCC(=O)OC)C=C(C(C)(C)C)C=C1CC1=C(OCC(=O)OC)C4=CC(C(C)(C)C)=C1 VTJUKNSKBAOEHE-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 3
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- 229920001897 terpolymer Polymers 0.000 claims description 3
- 150000007970 thio esters Chemical class 0.000 claims description 3
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- 239000011147 inorganic material Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 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 description 14
- 239000000945 filler Substances 0.000 description 8
- 238000007580 dry-mixing Methods 0.000 description 7
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 102220040412 rs587778307 Human genes 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- JLZIIHMTTRXXIN-UHFFFAOYSA-N 2-(2-hydroxy-4-methoxybenzoyl)benzoic acid Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1C(O)=O JLZIIHMTTRXXIN-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- IWELDVXSEVIIGI-UHFFFAOYSA-N piperazin-2-one Chemical compound O=C1CNCCN1 IWELDVXSEVIIGI-UHFFFAOYSA-N 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229940124543 ultraviolet light absorber Drugs 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08K2201/016—Additives defined by their aspect ratio
Landscapes
- 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 high-performance polypropylene and a preparation method thereof, and the high-performance polypropylene is prepared from 61-87.4 parts of polypropylene, 5-20 parts of inorganic filler mixture with each particle size distribution, 5-10 parts of toughening agent, 0.2-1 part of heat stabilizer, 0.2-1 part of light stabilizer and 0.2-1 part of processing aid by weight, wherein the inorganic filler mixture with each particle size distribution is inorganic filler with particle sizes distributed and uniformly distributed within the ranges of 5-10 mu m, 10-15 mu m and 15-20 mu m. The polypropylene material prepared by the invention has excellent rigidity and toughness, and the application range of the polypropylene material is expanded.
Description
Technical Field
The invention belongs to the field of modification of high polymer materials, and particularly relates to a high-performance polypropylene material and a preparation method thereof.
Background
The polypropylene is a thermoplastic synthetic resin with excellent performance, has the advantages of small specific gravity, no toxicity, easy processing, good impact strength, flexibility resistance, good electrical insulation performance and the like, is widely used in automobiles, electronic appliances and household electrical appliances, but has the defects of large molding shrinkage, poor low-temperature impact performance, low thermal deformation temperature, incapability of simultaneously ensuring rigidity and toughness and the like.
Disclosure of Invention
In view of the above, the present invention provides a high performance polypropylene material and a preparation method thereof, and provides an inorganic filler composition modified polypropylene material with various particle size distributions, wherein the inorganic filler composition modified polypropylene material has different particle size distributions, so that gaps between an inorganic filler and a base material can be reduced, and when the material is stressed, the fillers in mutual contact can effectively transfer stress, thereby improving the rigidity and toughness of the material, and solving the technical problems that the rigidity and toughness cannot be simultaneously improved and the requirements of high rigidity and high toughness materials cannot be met in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the high-performance polypropylene material is prepared from 61-87.4 parts of polypropylene, 5-20 parts of inorganic filler mixture with each particle size distribution, 5-10 parts of toughening agent, 0.2-1 part of heat stabilizer, 0.2-1 part of light stabilizer and 0.2-1 part of processing aid in parts by weight, wherein the inorganic filler mixture with each particle size distribution is inorganic filler with uniformly distributed particle sizes within the ranges of 5-10 microns, 10-15 microns and 15-20 microns.
Further, the polypropylene is one of homo-polypropylene and co-polypropylene or a mixture of two of homo-polypropylene and co-polypropylene in any proportion.
Further, the inorganic filler is an inorganic material with an aspect ratio, and comprises one or a combination of more than two of talcum powder, wollastonite, whiskers, mica and barium sulfate.
Further, the toughening agent is a polyolefin elastomer.
Preferably, the polyolefin elastomer includes ethylene-propylene-octene terpolymers, ethylene-propylene-diene terpolymers, styrene-butadiene copolymers, hydrogenated ethylene-butadiene-styrene copolymers.
Further, the heat stabilizer is selected from one of phenols, amines, phosphites, hindered phenols, complexes of acryloyl functional groups and thioesters, and calixarenes.
Further, the processing aid is one of calcium stearate, zinc stearate or erucamide.
The invention also provides a preparation method of the high-performance polypropylene material, which comprises the following steps:
uniformly mixing polypropylene, inorganic filler mixture with various particle size distributions, toughening agent, heat stabilizer, light stabilizer and processing aid according to a ratio, adding the mixture into an extruder, and performing melt extrusion and granulation to obtain the high-performance polypropylene material.
Further, the extruder is a twin-screw extruder, and the working temperature of each section of the twin-screw extruder is as follows: the temperature of the feeding section is 160-180 ℃, the temperature of the compression section is 170-190 ℃, the temperature of the plasticizing section is 180-190 ℃, the temperature of the homogenizing section is 190-200 ℃, and the temperature of the die orifice is 190-200 ℃.
Compared with the prior art, the invention firstly provides the inorganic filler mixture modified polypropylene material with various particle size distributions, so that the inorganic fillers with the length-diameter ratio are distributed within the ranges of 5-10 microns, 10-15 microns and 15-20 microns, and the inorganic fillers with different particle sizes can be easily dispersed in the processing process, thereby reducing the conditions of filler agglomeration, caking and the like and improving the mechanical property of the modified material; secondly, the fillers are randomly distributed in the polypropylene base material in a non-oriented way, the gaps between the inorganic fillers and the base material can be reduced due to the distribution of different particle sizes, the small-sized fillers play a role of bridging between the large-sized fillers and the base material, when the materials are stressed, the mutually contacted fillers can effectively transfer stress, the rigidity and the toughness of the materials can be improved, and thus the polypropylene material with excellent rigidity and toughness can be prepared.
In addition, the modification method of the invention further defines the selected materials on the basis of the traditional modification, is simple and easy to operate and has wide application value.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the specific embodiments illustrated. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In the following examples and comparative examples, the polypropylene was selected from Basel block copolymer PP EA5074, and medium petrochemical homopolymer PP T30S; the inorganic filler mixture with each particle size distribution is one or more of talcum powder, wollastonite, whisker, mica and barium sulfate with the particle sizes uniformly distributed in the ranges of 5-10 microns, 10-15 microns and 15-20 microns, and preferably the talcum powder filler combination with the particle sizes of 5-10 microns, 10-15 microns and 15-20 microns accounting for 3:3: 4; the toughening agent is selected from ethylene-propylene-octene terpolymer, ethylene-propylene-diene terpolymer, styrene-butadiene copolymer, hydrogenated ethylene-butadiene-styrene copolymer, preferably POE8200 and POE8842 of Dow chemical; the heat stabilizer is one of phenols, amines, phosphites, hindered phenols, complexes of acryloyl functional groups and thioesters, such as living calixarene, and the preferred mark is Irganox 1010; the light stabilizer is selected from Hindered Amines (HALS), such as: the poly- [6- (1,1,3, 3-tetramethylbutyl) -imino ] -1,3, 5-triazine-2, 4-dimethyl ] [2- (2-2,6, 6-tetramethylpiperidyl) -imino ] -hexamethylene- [4- (2, 2,6, 6-tetramethylpiperidyl) ] -imino, N-alkylated type, piperazinone reacted type, ultraviolet light absorber such as benzotriazole, benzophenone and the like, the preferred light stabilizer is a Solvay light stabilizer CYASORB CYNERGY SOLUTION V703, and the processing aid is one of calcium stearate, zinc stearate or erucic acid amide, preferably calcium stearate.
Example 1
| Components | Parts by weight |
| Polypropylene (PP EA5074) | 76.2 |
| Talcum powder with particle size of 5-10 μm | 5 |
| Talcum powder with particle size of 10-15 μm | 5 |
| Talcum powder with particle size of 15-20 μm | 5 |
| Toughening agent (POE8200) | 7 |
| Heat stabilizer (Irganox1010) | 0.6 |
| Light stabilizer (V703) | 0.6 |
| Processing aid (calcium stearate) | 0.6 |
Adding the components into a high-speed mixer according to the proportion in the table, dry-mixing for 4 minutes, adding into a double-screw extruder, and carrying out melt extrusion and granulation to obtain the high-performance polypropylene material, wherein the working temperature of each section of the double-screw extruder is as follows: the temperature of the feeding section is 170 ℃, the temperature of the compression section is 180 ℃, the temperature of the plasticizing section is 185 ℃, the temperature of the homogenizing section is 195 ℃ and the temperature of the die orifice is 195 ℃.
Example 2:
| components | Parts by weight |
| Polypropylene PP EA5074 | 80.8 |
| Wollastonite with particle size of 5-10 μm | 2 |
| Wollastonite with particle size of 10-15 μm | 4 |
| Wollastonite with particle size of 15-20 microns | 4 |
| Toughening agent POE8842 | 8 |
| Heat stabilizer Irganox1010 | 0.4 |
| Light stabilizer V703 | 0.4 |
| Processing aid zinc stearate | 0.4 |
Adding the components into a high-speed mixer according to the proportion in the table, dry-mixing for 4 minutes, adding into a double-screw extruder, and carrying out melt extrusion and granulation to obtain the high-performance polypropylene material, wherein the working temperature of each section of the double-screw extruder is as follows: the temperature of the feeding section is 170 ℃, the temperature of the compression section is 180 ℃, the temperature of the plasticizing section is 185 ℃, the temperature of the homogenizing section is 195 ℃ and the temperature of the die orifice is 195 ℃.
Example 3:
| components | Parts by weight |
| Polypropylene PP EA5074 | 79.6 |
| Inorganic filler talcum powder with particle size of 5-10 mu m | 4 |
| Inorganic filler talcum powder with particle size of 10-15 mu m | 4 |
| Inorganic filler whisker with particle size of 15-20 mu m | 4 |
| Toughening agent POE8200 | 6 |
| Heat stabilizer Irganox1010 | 0.8 |
| Light stabilizer V703 | 0.8 |
| Processing aid erucamide | 0.8 |
Adding the components into a high-speed mixer according to the proportion in the table, dry-mixing for 3 minutes, adding into a double-screw extruder, and carrying out melt extrusion and granulation to obtain the high-performance polypropylene material, wherein the working temperature of each section of the double-screw extruder is as follows: the temperature of the feeding section is 175 ℃, the temperature of the compression section is 175 ℃, the temperature of the plasticizing section is 185 ℃, the temperature of the homogenizing section is 190 ℃ and the temperature of the die orifice is 195 ℃.
Example 4:
| components | Parts by weight |
| Polypropylene PP T30S | 89.4 |
| Inorganic filler talcum powder with particle size of 5-10 mu m | 2 |
| Inorganic filler talcum powder with particle size of 10-15 mu m | 1 |
| Inorganic filler talcum powder with particle size of 15-20 mu m | 2 |
| Toughening agent POE8200 | 5 |
| Heat stabilizer Irganox1010 | 0.2 |
| Light stabilizer V703 | 0.2 |
| Processing aid calcium stearate | 0.2 |
Adding the components into a high-speed mixer according to the proportion in the table, dry-mixing for 3 minutes, adding into a double-screw extruder, and carrying out melt extrusion and granulation to obtain the high-performance polypropylene material, wherein the working temperature of each section of the double-screw extruder is as follows: the temperature of the feeding section is 160 ℃, the temperature of the compression section is 170 ℃, the temperature of the plasticizing section is 180 ℃, the temperature of the homogenizing section is 190 ℃, and the temperature of the die orifice is 190 ℃.
Example 5:
| components | Parts by weight |
| Polypropylene PP EA5074 | 67 |
| The grain diameter is 5-10 mu mInorganic filler talcum powder | 4 |
| Inorganic filler talcum powder with particle size of 10-15 mu m | 6 |
| Inorganic filler talcum powder with particle size of 15-20 mu m | 10 |
| Toughening agent POE8842 | 10 |
| Heat stabilizer Irganox1010 | 1 |
| Light stabilizer V703 | 1 |
| Processing aid calcium stearate | 1 |
Adding the components into a high-speed mixer according to the proportion in the table, dry-mixing for 3 minutes, adding into a double-screw extruder, and carrying out melt extrusion and granulation to obtain the high-performance polypropylene material, wherein the working temperature of each section of the double-screw extruder is as follows: the temperature of the feeding section is 180 ℃, the temperature of the compression section is 190 ℃, the temperature of the plasticizing section is 190 ℃, the temperature of the homogenizing section is 200 ℃, and the temperature of the die orifice is 200 ℃.
Comparative example 1:
adding the components into a high-speed mixer according to the proportion in the table, dry-mixing for 4 minutes, adding into a double-screw extruder, and carrying out melt extrusion and granulation to obtain the high-performance polypropylene material, wherein the working temperature of each section of the double-screw extruder is as follows: the temperature of the feeding section is 170 ℃, the temperature of the compression section is 180 ℃, the temperature of the plasticizing section is 185 ℃, the temperature of the homogenizing section is 195 ℃ and the temperature of the die orifice is 195 ℃.
Comparative example 2:
adding the components into a high-speed mixer according to the proportion in the table, dry-mixing for 4 minutes, adding into a double-screw extruder, and carrying out melt extrusion and granulation to obtain the high-performance polypropylene material, wherein the working temperature of each section of the double-screw extruder is as follows: the temperature of the feeding section is 170 ℃, the temperature of the compression section is 180 ℃, the temperature of the plasticizing section is 185 ℃, the temperature of the homogenizing section is 195 ℃ and the temperature of the die orifice is 195 ℃.
The materials prepared in examples 1 to 5 and comparative examples 1 to 2 were subjected to the relevant mechanical property tests, and the test results are shown in table 1:
TABLE 1
As can be seen from the results in Table 1, the high-performance polypropylene material prepared by the invention has high rigidity and toughness, and the prepared polypropylene has good application prospect and market competitiveness.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The high-performance polypropylene material is characterized by being prepared from 61-87.4 parts of polypropylene, 5-20 parts of inorganic filler mixture with each particle size distribution, 5-10 parts of toughening agent, 0.2-1 part of heat stabilizer, 0.2-1 part of light stabilizer and 0.2-1 part of processing aid in parts by weight, wherein the inorganic filler mixture with each particle size distribution is inorganic filler with uniformly distributed particle sizes within the ranges of 5-10 microns, 10-15 microns and 15-20 microns.
2. The high-performance polypropylene material according to claim 1, wherein the polypropylene is a mixture of one or two of homo-polypropylene and co-polypropylene in any proportion.
3. The high performance polypropylene material of claim 1, wherein the inorganic filler is an inorganic material with an aspect ratio, and comprises one or a combination of more than two of talc, wollastonite, whiskers, mica and barium sulfate.
4. The high performance polypropylene material of claim 1, wherein the toughening agent is a polyolefin elastomer.
5. The high performance polypropylene material of claim 4, wherein the polyolefin elastomer comprises at least one of ethylene-propylene-octene terpolymer, ethylene-propylene-diene terpolymer, styrene-butadiene copolymer, hydrogenated ethylene-butadiene-styrene copolymer.
6. The high performance polypropylene material according to claim 1, wherein the heat stabilizer is selected from the group consisting of phenols, amines, phosphites, hindered phenols, complexes of acryloyl functional groups and thioesters, and calixarenes.
7. The high performance polypropylene material of claim 1, wherein the processing aid is one of calcium stearate, zinc stearate or erucamide.
8. A process for the preparation of a high performance polypropylene material according to any one of claims 1 to 7, comprising the steps of:
uniformly mixing polypropylene, inorganic filler mixture with various particle size distributions, toughening agent, heat stabilizer, light stabilizer and processing aid according to a ratio, adding the mixture into an extruder, and performing melt extrusion and granulation to obtain the high-performance polypropylene material.
9. The method of claim 8, wherein the extruder is a twin-screw extruder, and the operating temperature of each section of the twin-screw extruder is: the temperature of the feeding section is 160-180 ℃, the temperature of the compression section is 170-190 ℃, the temperature of the plasticizing section is 180-190 ℃, the temperature of the homogenizing section is 190-200 ℃, and the temperature of the die orifice is 190-200 ℃.
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| CN201910919893.2A CN112552632B (en) | 2019-09-26 | 2019-09-26 | High-performance polypropylene material and preparation method thereof |
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| CN201910919893.2A CN112552632B (en) | 2019-09-26 | 2019-09-26 | High-performance polypropylene material and preparation method thereof |
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| CN201910919893.2A Active CN112552632B (en) | 2019-09-26 | 2019-09-26 | High-performance polypropylene material and preparation method thereof |
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| JPH10265215A (en) * | 1997-03-25 | 1998-10-06 | Idemitsu Petrochem Co Ltd | Talc and propylene polymer composition containing the same |
| JP2008266431A (en) * | 2007-04-19 | 2008-11-06 | Sumitomo Chemical Co Ltd | Polypropylene based resin composition |
| JP2011074130A (en) * | 2009-09-29 | 2011-04-14 | Japan Polypropylene Corp | Resin composition containing talc powder |
| CN104592622A (en) * | 2015-02-05 | 2015-05-06 | 上海日之升新技术发展有限公司 | Polypropylene composite material capable of improving mechanical properties of weld lines and preparation method thereof |
| CN104861547A (en) * | 2014-10-16 | 2015-08-26 | 青岛欣展塑胶有限公司 | Enhanced polytrimethylene terephthalate composition |
| CN107226957A (en) * | 2016-03-23 | 2017-10-03 | 合肥杰事杰新材料股份有限公司 | A kind of modified polypropylene material of anti-tiger fur line injection defect and preparation method thereof |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10265215A (en) * | 1997-03-25 | 1998-10-06 | Idemitsu Petrochem Co Ltd | Talc and propylene polymer composition containing the same |
| JP2008266431A (en) * | 2007-04-19 | 2008-11-06 | Sumitomo Chemical Co Ltd | Polypropylene based resin composition |
| JP2011074130A (en) * | 2009-09-29 | 2011-04-14 | Japan Polypropylene Corp | Resin composition containing talc powder |
| CN104861547A (en) * | 2014-10-16 | 2015-08-26 | 青岛欣展塑胶有限公司 | Enhanced polytrimethylene terephthalate composition |
| CN104592622A (en) * | 2015-02-05 | 2015-05-06 | 上海日之升新技术发展有限公司 | Polypropylene composite material capable of improving mechanical properties of weld lines and preparation method thereof |
| CN107226957A (en) * | 2016-03-23 | 2017-10-03 | 合肥杰事杰新材料股份有限公司 | A kind of modified polypropylene material of anti-tiger fur line injection defect and preparation method thereof |
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