CN113072769A - Graphene carat pipe and manufacturing method thereof - Google Patents
Graphene carat pipe and manufacturing method thereof Download PDFInfo
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- CN113072769A CN113072769A CN202110371402.2A CN202110371402A CN113072769A CN 113072769 A CN113072769 A CN 113072769A CN 202110371402 A CN202110371402 A CN 202110371402A CN 113072769 A CN113072769 A CN 113072769A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 25
- 229920005989 resin Polymers 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 16
- 239000004743 Polypropylene Substances 0.000 claims description 16
- -1 polypropylene Polymers 0.000 claims description 16
- 229920001155 polypropylene Polymers 0.000 claims description 16
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- 239000003963 antioxidant agent Substances 0.000 claims description 14
- 230000003078 antioxidant effect Effects 0.000 claims description 14
- 239000002270 dispersing agent Substances 0.000 claims description 14
- 239000003365 glass fiber Substances 0.000 claims description 14
- 229920001903 high density polyethylene Polymers 0.000 claims description 14
- 239000004700 high-density polyethylene Substances 0.000 claims description 14
- 239000003381 stabilizer Substances 0.000 claims description 14
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 13
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 12
- 229920000459 Nitrile rubber Polymers 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 230000003712 anti-aging effect Effects 0.000 claims description 12
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 12
- 235000013539 calcium stearate Nutrition 0.000 claims description 12
- 239000008116 calcium stearate Substances 0.000 claims description 12
- 239000006229 carbon black Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000004595 color masterbatch Substances 0.000 claims description 12
- 229920001684 low density polyethylene Polymers 0.000 claims description 12
- 239000004702 low-density polyethylene Substances 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000000137 annealing Methods 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 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 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 229940114930 potassium stearate Drugs 0.000 claims description 2
- ANBFRLKBEIFNQU-UHFFFAOYSA-M potassium;octadecanoate Chemical group [K+].CCCCCCCCCCCCCCCCCC([O-])=O ANBFRLKBEIFNQU-UHFFFAOYSA-M 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 241000219000 Populus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002310 elbow joint Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment 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
- C08L23/12—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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a graphene carat pipe and a manufacturing method thereof. The invention belongs to the technical field of pipes, and particularly relates to a graphene krat pipe for enhancing the strength and toughness of a krat pipe by utilizing the strength and toughness of graphene and a manufacturing method thereof.
Description
Technical Field
The invention belongs to the technical field of pipes, and particularly relates to a graphene carat pipe and a manufacturing method thereof.
Background
The Krah pipe is a high-density polyethylene winding structure wall pipe formed by winding in a hot state, the wall pipe is a special structure wall pipe with high external pressure resistance, which is prepared by taking high-density polyethylene resin as a main raw material, adopting a hot winding poplar type process and taking a polypropylene single-wall corrugated pipe as a supporting structure, and Krah pipe products can be divided into four series of PR, OP, SQ and VW; PR and OP are mainly used as buried drainage pipelines, SQ is mainly used for manufacturing containers or inspection wells, VW is mainly used for tee joints, elbows and pipe fittings formed by secondary processing, and PR series are the most applied in products; the existing Krah pipe is poor in protection performance such as wear resistance, and in the process of pipeline construction, due to the movement of the pipe and the contact with the ground, the surface of the pipe is often damaged and damaged in the loading, unloading and construction processes, the existing Krah pipe is poor in quality and easy to damage in use, and the continuity of the production process is poor and needs to be improved.
Disclosure of Invention
In order to solve the problems, the invention provides a graphene krat pipe material which utilizes the strength and toughness of graphene to enhance the strength and toughness of krat pipe and a manufacturing method thereof.
In order to realize the functions, the technical scheme adopted by the invention is as follows: a graphene carat pipe comprises the following components in parts by weight: polypropylene: 70-85 parts of HDPE resin: 60-65 parts of graphene powder: 60-70 parts of nano calcium carbonate: 15-20 parts of LDPE resin: 10-15 parts of calcium stearate: 12-16 parts of color master batch: 10-12 parts of glass fiber powder: 5-10 parts of white carbon black: 3-5 parts of a silane coupling agent: 3-5 parts of nitrile rubber: 7-10 parts of cooling master batch: 4-6 parts of a compatilizer: 1-3 parts of an anti-aging agent: 1-2 parts of a dispersant: 1-2 parts of antioxidant: 3-5 parts of a stabilizer: 2-5 parts of an organic silicon tackifier: 2-3 parts.
Further, the polypropylene: 78 parts of HDPE resin: 63 parts of graphene powder: 65 parts of nano calcium carbonate: 18 parts of LDPE resin: 14 parts of calcium stearate: 12 parts of color master batch: 10 parts of glass fiber powder: 7 parts of white carbon black: 3 parts of a silane coupling agent: 5 parts of nitrile rubber: 8 parts of cooling master batch: 6 parts of a compatilizer: 1 part of anti-aging agent: 2 parts of dispersant: 2 parts of antioxidant: 5 parts of a stabilizer: 4 parts of organic silicon tackifier: and 2 parts.
Further, the stabilizer is potassium stearate.
Further, the dispersing agent is polyvinyl alcohol.
Further, the antioxidant is an antioxidant 1010.
Further, the cooling master batch is a polypropylene cooling master batch.
The invention also discloses a graphene carat pipe and a manufacturing method thereof, and the graphene carat pipe is characterized in that: the method comprises the following steps:
1) weighing the components according to the weight ratio of the components;
2) mixing the nano calcium carbonate, the glass fiber powder and the silane coupling agent for 5min at the rotating speed of 400r/min of a high-speed mixer to obtain a first mixture;
3) mixing polypropylene, HDPE resin, graphene powder, LDPE resin, calcium stearate, color master batch, white carbon black, nitrile rubber, cooling master batch, compatilizer, anti-aging agent, dispersant, antioxidant, stabilizer and organic silicon tackifier for 15min at the rotating speed of 200r/min of a high-speed mixer to obtain a second mixture;
4) mixing the mixture I and the mixture II obtained in the steps 2) and 3) for 60min at the rotating speed of 2500r/min of a high-speed mixer to obtain a mixed material;
5) adding the mixed material obtained in the step 4) into a granulator to obtain granules;
6) adding the particles obtained in the step 5) into an extruding machine to obtain a formed pipe;
7) and 6) annealing and cooling the pipe obtained in the step 6) to obtain the graphene Krah pipe.
The invention adopts the structure to obtain the following beneficial effects: the graphene krah pipe and the manufacturing method thereof provided by the invention are simple to operate, the strength of the krah pipe is obviously improved by adding the nano calcium carbonate, the nano calcium carbonate and the glass fiber powder are compatible with each other, the compatibility of the nano calcium carbonate, the glass fiber powder and a polypropylene matrix is obviously improved by performing surface treatment through the silane coupling agent, the strength and the toughness of the krah pipe are enhanced by adding the graphene, the chemical structure of the graphene is stable, the corrosion resistance is strong, and the corrosion resistance of the krah pipe can be enhanced
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention relates to a graphene carat pipe and a manufacturing method thereof, wherein the graphene carat pipe comprises the following components in parts by weight: the polypropylene: 83 parts of HDPE resin: 67 parts of graphene powder: 60 parts of nano calcium carbonate: 19 parts of LDPE resin: 12 parts, calcium stearate: 12 parts of color master batch: 11 parts of glass fiber powder: 8 parts of white carbon black: 3 parts of a silane coupling agent: 5 parts of nitrile rubber: 10 parts of cooling master batch: 5 parts of a compatilizer: 1 part of anti-aging agent: 1 part of dispersant: 1 part of antioxidant: 5 parts of a stabilizer: 4 parts of organic silicon tackifier: and 2 parts.
The invention also discloses a graphene carat pipe and a manufacturing method thereof, and the graphene carat pipe is characterized in that: the method comprises the following steps:
1) weighing the components according to the weight ratio of the components;
2) mixing the nano calcium carbonate, the glass fiber powder and the silane coupling agent for 5min at the rotating speed of 400r/min of a high-speed mixer to obtain a first mixture;
3) mixing polypropylene, HDPE resin, graphene powder, LDPE resin, calcium stearate, color master batch, white carbon black, nitrile rubber, cooling master batch, compatilizer, anti-aging agent, dispersant, antioxidant, stabilizer and organic silicon tackifier for 15min at the rotating speed of 200r/min of a high-speed mixer to obtain a second mixture;
4) mixing the mixture I and the mixture II obtained in the steps 2) and 3) for 60min at the rotating speed of 2500r/min of a high-speed mixer to obtain a mixed material;
5) adding the mixed material obtained in the step 4) into a granulator to obtain granules;
6) adding the particles obtained in the step 5) into an extruding machine to obtain a formed pipe;
7) and 6) annealing and cooling the pipe obtained in the step 6) to obtain the graphene Krah pipe.
Example 2
The invention relates to a graphene carat pipe and a manufacturing method thereof, wherein the graphene carat pipe comprises the following components in parts by weight: the polypropylene: 78 parts of HDPE resin: 60 parts of graphene powder: 65 parts of nano calcium carbonate: 20 parts of LDPE resin: 13 parts, calcium stearate: 16 parts of color master batch: 10 parts of glass fiber powder: 8 parts of white carbon black: 3 parts of a silane coupling agent: 5 parts of nitrile rubber: 8 parts of cooling master batch: 4 parts of a compatilizer: 2 parts of anti-aging agent: 2 parts of dispersant: 2 parts of antioxidant: 5 parts of a stabilizer: 4 parts of organic silicon tackifier: and 3 parts.
The invention also discloses a graphene carat pipe and a manufacturing method thereof, and the graphene carat pipe is characterized in that: the method comprises the following steps:
1) weighing the components according to the weight ratio of the components;
2) mixing the nano calcium carbonate, the glass fiber powder and the silane coupling agent for 5min at the rotating speed of 400r/min of a high-speed mixer to obtain a first mixture;
3) mixing polypropylene, HDPE resin, graphene powder, LDPE resin, calcium stearate, color master batch, white carbon black, nitrile rubber, cooling master batch, compatilizer, anti-aging agent, dispersant, antioxidant, stabilizer and organic silicon tackifier for 15min at the rotating speed of 200r/min of a high-speed mixer to obtain a second mixture;
4) mixing the mixture I and the mixture II obtained in the steps 2) and 3) for 60min at the rotating speed of 2500r/min of a high-speed mixer to obtain a mixed material;
5) adding the mixed material obtained in the step 4) into a granulator to obtain granules;
6) adding the particles obtained in the step 5) into an extruding machine to obtain a formed pipe;
7) and 6) annealing and cooling the pipe obtained in the step 6) to obtain the graphene Krah pipe.
Example 3
The invention relates to a graphene carat pipe and a manufacturing method thereof, wherein the graphene carat pipe comprises the following components in parts by weight: the polypropylene: 85 parts of HDPE resin: 60 parts of graphene powder: 70 parts of nano calcium carbonate: 19 parts of LDPE resin: 12 parts, calcium stearate: 15 parts of color master batch: 11 parts of glass fiber powder: 8 parts of white carbon black: 5 parts of a silane coupling agent: 5 parts of nitrile rubber: 9 parts of cooling master batch: 5 parts of a compatilizer: 1 part of anti-aging agent: 2 parts of dispersant: 1 part of antioxidant: 5 parts of a stabilizer: 3 parts of organic silicon tackifier: and 2 parts.
The invention also discloses a graphene carat pipe and a manufacturing method thereof, and the graphene carat pipe is characterized in that: the method comprises the following steps:
1) weighing the components according to the weight ratio of the components;
2) mixing the nano calcium carbonate, the glass fiber powder and the silane coupling agent for 5min at the rotating speed of 400r/min of a high-speed mixer to obtain a first mixture;
3) mixing polypropylene, HDPE resin, graphene powder, LDPE resin, calcium stearate, color master batch, white carbon black, nitrile rubber, cooling master batch, compatilizer, anti-aging agent, dispersant, antioxidant, stabilizer and organic silicon tackifier for 15min at the rotating speed of 200r/min of a high-speed mixer to obtain a second mixture;
4) mixing the mixture I and the mixture II obtained in the steps 2) and 3) for 60min at the rotating speed of 2500r/min of a high-speed mixer to obtain a mixed material;
5) adding the mixed material obtained in the step 4) into a granulator to obtain granules;
6) adding the particles obtained in the step 5) into an extruding machine to obtain a formed pipe;
7) and 6) annealing and cooling the pipe obtained in the step 6) to obtain the graphene Krah pipe.
Specifically, the graphene clarinet tubes manufactured in examples 1-3, the graphene clarinet tubes manufactured in example 1, are superior to those of examples 2 and 3 in mechanical properties such as tensile strength, elongation at break, impact strength, and peel strength, and the graphene clarinet tubes manufactured in example 1 are superior to those of examples 2 and 3 in corrosion resistance.
The above description of the invention and its embodiments is not intended to be limiting. In conclusion, those skilled in the art should appreciate that they can readily use the present invention without inventive faculty, and without departing from the scope of the invention.
Claims (7)
1. The graphene krah pipe is characterized by comprising the following components in parts by weight: polypropylene: 70-85 parts of HDPE resin: 60-65 parts of graphene powder: 60-70 parts of nano calcium carbonate: 15-20 parts of LDPE resin: 10-15 parts of calcium stearate: 12-16 parts of color master batch: 10-12 parts of glass fiber powder: 5-10 parts of white carbon black: 3-5 parts of a silane coupling agent: 3-5 parts of nitrile rubber: 7-10 parts of cooling master batch: 4-6 parts of a compatilizer: 1-3 parts of an anti-aging agent: 1-2 parts of a dispersant: 1-2 parts of antioxidant: 3-5 parts of a stabilizer: 2-5 parts of an organic silicon tackifier: 2-3 parts.
2. The graphene carat pipe as claimed in claim 1, wherein: the polypropylene: 78 parts of HDPE resin: 63 parts, 65 parts of graphene powder, and nano calcium carbonate: 18 parts of LDPE resin: 14 parts of calcium stearate: 12 parts of color master batch: 10 parts of glass fiber powder: 7 parts of white carbon black: 3 parts of a silane coupling agent: 5 parts of nitrile rubber: 8 parts of cooling master batch: 6 parts of a compatilizer: 1 part of anti-aging agent: 2 parts of dispersant: 2 parts of antioxidant: 5 parts of a stabilizer: 4 parts of organic silicon tackifier: and 2 parts.
3. The graphene carat pipe as claimed in claim 1, wherein: the stabilizer is potassium stearate.
4. The graphene carat pipe as claimed in claim 1, wherein: the dispersing agent is polyvinyl alcohol.
5. The graphene carat pipe as claimed in claim 1, wherein: the antioxidant is antioxidant 1010.
6. The graphene carat pipe as claimed in claim 1, wherein: the cooling master batch is polypropylene cooling master batch.
7. A graphene Clar pipe and a manufacturing method thereof are characterized by comprising the following steps:
1) weighing the components according to the weight ratio of the components;
2) mixing the nano calcium carbonate, the glass fiber powder and the silane coupling agent for 5min at the rotating speed of 400r/min of a high-speed mixer to obtain a first mixture;
3) mixing polypropylene, HDPE resin, graphene powder, LDPE resin, calcium stearate, color master batch, white carbon black, nitrile rubber, cooling master batch, compatilizer, anti-aging agent, dispersant, antioxidant, stabilizer and organic silicon tackifier for 15min at the rotating speed of 200r/min of a high-speed mixer to obtain a second mixture;
4) mixing the mixture I and the mixture II obtained in the steps 2) and 3) for 60min at the rotating speed of 2500r/min of a high-speed mixer to obtain a mixed material;
5) adding the mixed material obtained in the step 4) into a granulator to obtain granules;
6) adding the particles obtained in the step 5) into an extruding machine to obtain a formed pipe;
7) and 6) annealing and cooling the pipe obtained in the step 6) to obtain the graphene Krah pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371402.2A CN113072769A (en) | 2021-04-07 | 2021-04-07 | Graphene carat pipe and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371402.2A CN113072769A (en) | 2021-04-07 | 2021-04-07 | Graphene carat pipe and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113072769A true CN113072769A (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110371402.2A Pending CN113072769A (en) | 2021-04-07 | 2021-04-07 | Graphene carat pipe and manufacturing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104151695A (en) * | 2014-05-07 | 2014-11-19 | 武汉金牛经济发展有限公司 | Preparation method of polypropylene composite pipes modified by using graphene |
| CN109608731A (en) * | 2017-11-16 | 2019-04-12 | 山东方大新材料科技有限公司 | A kind of graphene enhances mining polyethylene composition, particle, tubing and preparation method thereof |
| CN111763377A (en) * | 2020-07-09 | 2020-10-13 | 福建结诚塑业科技有限公司 | Krah pipe and preparation process thereof |
| CN111925594A (en) * | 2020-08-17 | 2020-11-13 | 新奥（内蒙古）石墨烯材料有限公司 | Graphene reinforced polypropylene composite material, preparation method thereof and heat conduction product |
-
2021
- 2021-04-07 CN CN202110371402.2A patent/CN113072769A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104151695A (en) * | 2014-05-07 | 2014-11-19 | 武汉金牛经济发展有限公司 | Preparation method of polypropylene composite pipes modified by using graphene |
| CN109608731A (en) * | 2017-11-16 | 2019-04-12 | 山东方大新材料科技有限公司 | A kind of graphene enhances mining polyethylene composition, particle, tubing and preparation method thereof |
| CN111763377A (en) * | 2020-07-09 | 2020-10-13 | 福建结诚塑业科技有限公司 | Krah pipe and preparation process thereof |
| CN111925594A (en) * | 2020-08-17 | 2020-11-13 | 新奥（内蒙古）石墨烯材料有限公司 | Graphene reinforced polypropylene composite material, preparation method thereof and heat conduction product |
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Application publication date: 20210706 |
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