CN117511069A - High-performance polypropylene material and preparation method thereof - Google Patents
High-performance polypropylene material and preparation method thereof Download PDFInfo
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- CN117511069A CN117511069A CN202210890622.0A CN202210890622A CN117511069A CN 117511069 A CN117511069 A CN 117511069A CN 202210890622 A CN202210890622 A CN 202210890622A CN 117511069 A CN117511069 A CN 117511069A
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 59
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 59
- -1 polypropylene Polymers 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 22
- 239000004611 light stabiliser Substances 0.000 claims abstract description 16
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 14
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 14
- 239000011256 inorganic filler Substances 0.000 claims abstract description 14
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 14
- 239000012745 toughening agent Substances 0.000 claims abstract description 14
- 239000007822 coupling agent Substances 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- 150000002989 phenols Chemical class 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- 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 2
- 238000005229 chemical vapour deposition Methods 0.000 claims description 2
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 2
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 2
- 150000007970 thio esters Chemical class 0.000 claims description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 2
- 238000007580 dry-mixing Methods 0.000 claims 1
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 239000002994 raw material Substances 0.000 description 9
- 239000003365 glass fiber Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000012360 testing method 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
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 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 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- 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
- C08L23/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a high-performance polypropylene material and a preparation method thereof, wherein the high-performance polypropylene material is prepared from the following components in parts by weight: 54.7-96.2 parts of polypropylene, 0-15 parts of toughening agent, 0-20 parts of inorganic filler, 3-8 parts of wrinkled graphene, 0.2-0.6 part of coupling agent, 0.2-0.4 part of heat stabilizer, 0.2-0.8 part of light stabilizer and 0.2-0.5 part of processing aid. The polypropylene modified material prepared by the invention firstly proposes that the wrinkled graphene modified polypropylene is added, so that the instantaneous density of the modified material is increased when the modified material is stressed, and the rigidity of the material is increased; when the material is stretched, the material forms a netlike expansion structure, and stress is transmitted and released to other places, so that the stress state of the material is improved, and the tensile strength and toughness of the material are improved.
Description
Technical Field
The invention belongs to the technical field of polymer composite materials, and particularly relates to a high-performance polypropylene material and a preparation method thereof.
Background
The polypropylene (PP) has simple and convenient synthesis process, good balance, easy processing, excellent property and low cost, and is one of the most widely applied general plastics at present.
In order to meet higher requirements, at present, the polypropylene high molecular component and the macromolecular structure or crystal configuration are changed mainly through copolymerization modification, crosslinking modification, grafting modification, addition of a nucleating agent and the like, so that the performances of mechanical property, heat resistance, ageing resistance and the like of the polypropylene high molecular component are improved, the comprehensive performance of the polypropylene high molecular component is improved, and the application field of the polypropylene high molecular component is enlarged.
At present, fillers are mainly added for modification, such as silicate, calcium carbonate, silicon dioxide, cellulose, glass fiber and other fillers are filled in polymers, so that the purposes of improving the heat resistance, reducing the cost, improving the rigidity, reducing the molding shrinkage and the like of PP are achieved, but the impact strength and the elongation of PP are also reduced. The glass fiber is used as an inorganic nonmetallic whisker with excellent performance, has low price, good insulation, strong heat resistance, good corrosion resistance, high mechanical strength and more common application, and the PP performance modified by filling the glass fiber is obviously improved, but the mechanical performance of the material can be obviously improved only when the glass fiber addition reaches about 30 percent; when the addition amount of the glass fiber is too large, part of the glass fiber cannot be fully impregnated, so that the bonding performance of a polymer matrix and a glass fiber interface is deteriorated, the mechanical strength of the composite material is reduced, and the flowability of the composite material is reduced along with the increase of the addition amount of the glass fiber, so that the PP molding processing technology performance is difficult.
Disclosure of Invention
The invention aims to provide a high-performance polypropylene material and a preparation method thereof, which are realized by the following technical scheme:
the high-performance polypropylene material is prepared from the following components in parts by weight:
54.7-96.2 parts of polypropylene
0-15 parts of toughening agent
0-20 parts of inorganic filler
3-8 parts of wrinkled graphene
0.2 to 0.6 part of coupling agent
0.2 to 0.4 part of heat stabilizer
0.2 to 0.8 part of light stabilizer
0.2-0.5 part of processing aid.
Further, the polypropylene is at least one of copolymerized polypropylene and homo-polymerized polypropylene.
Further, the toughening agent is polyolefin elastomer POE.
Further, the inorganic filler is at least one of talcum powder, calcium carbonate, wollastonite, whisker, mica and barium sulfate.
Further, the wrinkled graphene is a graphene material with the surface in a wrinkled form, which is prepared by an oxidation-reduction method, an orientation attached growth method or a chemical vapor deposition method.
Further, the coupling agent is a silane coupling agent.
Further, the heat stabilizer is at least one selected from phenols, amines, phosphites, hindered phenols, complexes of acryl functional groups and thioesters, and calixarenes.
Further, the light stabilizer is at least one of hindered amine and ultraviolet absorber.
Further, the processing aid is one of calcium stearate, zinc stearate or erucamide.
The other purpose of the invention is to provide the preparation method of the polypropylene material, wherein polypropylene, a toughening agent, an inorganic filler, wrinkled graphene, a coupling agent, a heat stabilizer, a light stabilizer and a processing aid are put into a high-speed mixer to be dry mixed for 4-8 minutes, and then the mixed materials are subjected to melt extrusion and granulation by an extruder to obtain the polypropylene material: the extruder is a double-screw extruder, the temperature of a feeding section is 170-180 ℃, the temperature of a compression section is 180-190 ℃, the temperature of a plasticizing section is 190-200 ℃, the temperature of a homogenizing section is 190-210 ℃, and the temperature of a die orifice is 190-200 ℃.
It has been studied that graphene is subjected to multiple folds to form fold graphene, and the hydrophobicity of the fold graphene is remarkably improved (used for water purification); the pleated graphene also has enhanced electrochemical properties, which may be more advantageous for electrodes of cells and fuel cells.
The invention provides a synergistic reinforcing and toughening polypropylene material by adding the wrinkled graphene for the first time. This is because pleated graphene, by itself a negative poisson's ratio material, is itself characterized by lateral expansion when it is stretched or compressed by a longitudinal force. The modified material is added into polypropylene to modify the polypropylene, so that the instantaneous density of the modified material is increased when the modified material is stressed, and the rigidity of the modified material is increased; when the material is stretched, the material forms a netlike expansion structure, and stress is transmitted and released to other places, so that the stress state of the material is improved, and the tensile strength and toughness of the material are improved. Thereby improving the comprehensive mechanical properties of the polypropylene material.
Detailed Description
The following examples illustrate the practice of the invention without limiting the scope of the claims.
In the material formulation of each of the examples below,
the polypropylene is preferably a block-copolymerized PP BX3800 having a melt flow rate (230 ℃ x 2.16 KG) of 30g/10min of SK in korea; block polypropylene PP K9829H with flow rate (230 ℃ C. Multiplied by 2.16 KG) of 28g/10min
The toughening agent is preferably POE8200 of the Dow chemical;
the inorganic filler is preferably Yimi method bikinite powder HTP1L;
the heat stabilizer is preferably Irganox1010 of Basff;
the light stabilizer is selected from Hindered Amine (HALS), and the preferred light stabilizer is Solvin light stabilizer CYASORB CYNERGY SOLUTIONS V703,703
The processing aid is preferably calcium stearate of Shandong Baolilai
The main equipment for producing the product is as follows:
high speed mixer: the rotating speed is 650-1500 rpm
Twin-screw extruder, rotational speed is 250-400rpm, barrel temperature is 160-200 DEG C
Water temperature in water tank: 20-50 DEG C
Rotational speed of granulator: 600-900rpm
Example 1:
| polypropylene | 73.6 |
| Toughening agent | 10 |
| Inorganic filler | 10 |
| Wrinkled graphene | 5 |
| Coupling agent | 0.3 |
| Heat stabilizer | 0.3 |
| Light stabilizers | 0.5 |
| Processing aid | 0.3 |
The raw materials are put into a high-speed mixer according to the components to be mixed for 4 minutes, and then the mixed materials are melted and extruded by an extruder to be granulated, so that the composite material is obtained: the extruder is a double-screw extruder, the temperature of a feeding section is 175 ℃, the temperature of a compression section is 180 ℃, the temperature of a plasticizing section is 195 ℃, the temperature of a homogenizing section is 195 ℃, and the temperature of a die opening is 195 ℃.
Example 2:
| polypropylene | 65.6 |
| Toughening agent | 12 |
| Inorganic filler | 15 |
| Wrinkled graphene | 6 |
| Coupling agent | 0.4 |
| Heat stabilizer | 0.3 |
| Light stabilizers | 0.3 |
| Processing aid | 0.4 |
The raw materials are put into a high-speed mixer according to the components to be mixed for 4 minutes, and then the mixed materials are melted and extruded by an extruder to be granulated, so that the composite material is obtained: the extruder is a double-screw extruder, the temperature of a feeding section is 170 ℃, the temperature of a compression section is 180 ℃, the temperature of a plasticizing section is 195 ℃, the temperature of a homogenizing section is 195 ℃, and the temperature of a die opening is 195 ℃.
Example 3:
| polypropylene | 82.1 |
| Toughening agent | 8 |
| Inorganic filler | 5 |
| Wrinkled graphene | 3 |
| Coupling agent | 0.5 |
| Heat stabilizer | 0.4 |
| Light stabilizers | 0.6 |
| Processing aid | 0.4 |
The raw materials are put into a telling mixer according to the components to be mixed for 3 minutes, and then the mixed materials are melted and extruded by an extruder to be granulated, thus obtaining the composite material: the extruder is a double-screw extruder, the temperature of a feeding section is 175 ℃, the temperature of a compression section is 185 ℃, the temperature of a plasticizing section is 200 ℃, the temperature of a homogenizing section is 190 ℃, and the temperature of a die orifice is 195 ℃.
Example 4:
the raw materials are put into a telling mixer according to the components to be mixed for 3 minutes, and then the mixed materials are melted and extruded by an extruder to be granulated, thus obtaining the composite material: the extruder is a double-screw extruder, the temperature of a feeding section is 180 ℃, the temperature of a compression section is 190 ℃, the temperature of a plasticizing section is 190 ℃, the temperature of a homogenizing section is 200 ℃, and the temperature of a die orifice is 190 ℃.
Example 5:
| polypropylene | 54.7 |
| Toughening agent | 15 |
| Inorganic filler | 20 |
| Wrinkled graphene | 8 |
| Coupling agent | 0.6 |
| Heat stabilizer | 0.4 |
| Light stabilizers | 0.8 |
| Processing aid | 0.5 |
The raw materials are put into a telling mixer according to the components to be mixed for 3 minutes, and then the mixed materials are melted and extruded by an extruder to be granulated, thus obtaining the composite material: the extruder is a double-screw extruder, the temperature of a feeding section is 180 ℃, the temperature of a compression section is 190 ℃, the temperature of a plasticizing section is 190 ℃, the temperature of a homogenizing section is 210 ℃, and the temperature of a die orifice is 200 ℃.
Comparative example 1:
| polypropylene | 78.6 |
| Toughening agent | 10 |
| Inorganic filler | 10 |
| Coupling agent | 0.3 |
| Heat stabilizer | 0.3 |
| Light stabilizers | 0.5 |
| Processing aid | 0.3 |
The raw materials are put into a telling mixer according to the components to be mixed for 4 minutes, and then the mixed materials are melted and extruded by an extruder to be granulated, thus obtaining the composite material: the extruder is a double-screw extruder, the temperature of a feeding section is 175 ℃, the temperature of a compression section is 180 ℃, the temperature of a plasticizing section is 195 ℃, the temperature of a homogenizing section is 195 ℃, and the temperature of a die opening is 195 ℃.
Comparative example 2
The raw materials are put into a telling mixer according to the components to be mixed for 4 minutes, and then the mixed materials are melted and extruded by an extruder to be granulated, thus obtaining the composite material: the extruder is a double-screw extruder, the temperature of a feeding section is 170 ℃, the temperature of a compression section is 180 ℃, the temperature of a plasticizing section is 195 ℃, the temperature of a homogenizing section is 195 ℃, and the temperature of a die opening is 195 ℃.
Comparative example 3:
| polypropylene | 77.6 |
| Toughening agent | 10 |
| Inorganic filler | 10 |
| Wrinkled graphene | 1 |
| Coupling agent | 0.4 |
| Heat stabilizer | 0.3 |
| Light stabilizers | 0.3 |
| Processing aid | 0.4 |
The raw materials are put into a telling mixer according to the components to be mixed for 4 minutes, and then the mixed materials are melted and extruded by an extruder to be granulated, thus obtaining the composite material: the extruder is a double-screw extruder, the temperature of a feeding section is 170 ℃, the temperature of a compression section is 180 ℃, the temperature of a plasticizing section is 195 ℃, the temperature of a homogenizing section is 195 ℃, and the temperature of a die opening is 195 ℃.
Comparative example 4:
the raw materials are put into a telling mixer according to the components to be mixed for 4 minutes, and then the mixed materials are melted and extruded by an extruder to be granulated, thus obtaining the composite material: the extruder is a double-screw extruder, the temperature of a feeding section is 175 ℃, the temperature of a compression section is 180 ℃, the temperature of a plasticizing section is 195 ℃, the temperature of a homogenizing section is 195 ℃, and the temperature of a die opening is 195 ℃.
Results testing:
mechanical property test results:
from the results, the modified polypropylene prepared by the method in the embodiments 1-4 of the invention has obviously improved strength and toughness compared with the modified polypropylene prepared by the comparative example due to the addition of 3-8 parts of the wrinkled graphene.
Claims (10)
1. The high-performance polypropylene material is characterized by being prepared from the following components in parts by weight:
54.7-96.2 parts of polypropylene
0-15 parts of toughening agent
0-20 parts of inorganic filler
3-8 parts of wrinkled graphene
0.2 to 0.6 part of coupling agent
0.2 to 0.4 part of heat stabilizer
0.2 to 0.8 part of light stabilizer
0.2-0.5 part of processing aid.
2. The high performance polypropylene material of claim 1, wherein the polypropylene is at least one of a copolymerized polypropylene and a homopolymerized polypropylene.
3. The high performance polypropylene material of claim 1, wherein the toughening agent is a polyolefin elastomer POE.
4. The high performance polypropylene material according to claim 1, wherein the inorganic filler is at least one of talc, calcium carbonate, wollastonite, whisker, mica, and barium sulfate.
5. The high-performance polypropylene material according to claim 1, wherein the wrinkled graphene is a graphene material with a wrinkled surface prepared by a redox method, an orientation attached method or a chemical vapor deposition method.
6. The high performance polypropylene material according to claim 1, wherein the coupling agent is a silane coupling agent.
7. The high performance polypropylene material according to claim 1, wherein the heat stabilizer is at least one selected from the group consisting of phenols, amines, phosphites, hindered phenols, complexes of acryl functional groups and thioesters, and calixarenes.
8. The high performance polypropylene material according to claim 1, wherein the light stabilizer is at least one of hindered amine and ultraviolet absorber.
9. The high performance polypropylene material of claim 1, wherein the processing aid is one of calcium stearate, zinc stearate or erucamide.
10. A process for the preparation of a polypropylene material as claimed in any one of claims 1 to 9, wherein: putting polypropylene, a toughening agent, an inorganic filler, wrinkled graphene, a coupling agent, a heat stabilizer, a light stabilizer and a processing aid into a high-speed mixer, dry mixing for 4-8 minutes, and then carrying out melt extrusion and granulation on the mixed materials by an extruder to obtain the modified polypropylene composite material: the extruder is a double-screw extruder, the temperature of a feeding section is 170-180 ℃, the temperature of a compression section is 180-190 ℃, the temperature of a plasticizing section is 190-200 ℃, the temperature of a homogenizing section is 190-210 ℃, and the temperature of a die orifice is 190-200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210890622.0A CN117511069A (en) | 2022-07-27 | 2022-07-27 | High-performance polypropylene material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210890622.0A CN117511069A (en) | 2022-07-27 | 2022-07-27 | High-performance polypropylene material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN117511069A true CN117511069A (en) | 2024-02-06 |
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ID=89746206
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210890622.0A Pending CN117511069A (en) | 2022-07-27 | 2022-07-27 | High-performance polypropylene material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117511069A (en) |
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- 2022-07-27 CN CN202210890622.0A patent/CN117511069A/en active Pending
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