CN107010959B - Corrosion-resistant oxidation-resistant gasket mold for automobile and manufacturing method thereof - Google Patents
Corrosion-resistant oxidation-resistant gasket mold for automobile and manufacturing method thereof Download PDFInfo
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- CN107010959B CN107010959B CN201710337217.5A CN201710337217A CN107010959B CN 107010959 B CN107010959 B CN 107010959B CN 201710337217 A CN201710337217 A CN 201710337217A CN 107010959 B CN107010959 B CN 107010959B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/524—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from polymer precursors, e.g. glass-like carbon material
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/47—Oils, fats or waxes natural resins
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/82—Coating or impregnation with organic materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/425—Graphite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of die manufacturing, in particular to an anticorrosive oxidation-resistant gasket die for an automobile and a manufacturing method thereof; the composition consists of the following components: polytetrafluoroethylene, modified graphite powder, polyethylene, polyvinyl chloride resin, polyaniline, graphene, brominated epoxy resin, calcium oxide and a surfactant; under the action of potassium permanganate, carbon atoms in the graphite are oxidized, so that the expansion capacity of the graphite is increased, and the oxidation resistance of the modified graphite is improved; in addition, the addition of hydrochloric acid enhances the oxidability of potassium permanganate, so that the oxidation resistance of the modified graphite is stronger, and the time required by the modified graphite is shortened; the graphene has excellent hydrophobicity and can inhibit infiltration and permeation of water on the rubber gasket, so that the anticorrosion effect is achieved; the polyaniline has high oxidation-reduction potential and good sterilization effect, and the graphene and the polyaniline are mixed to be synergistic in corrosion prevention, so that the polyaniline has good sterilization and corrosion prevention effects.
Description
Technical Field
The invention relates to the technical field of mold manufacturing, in particular to an anticorrosive oxidation-resistant gasket mold for an automobile and a manufacturing method thereof.
Background
Gaskets are mechanical seals between two objects, typically to prevent pressure, corrosion, and natural thermal expansion and contraction leakage of the tubing between the two objects. Since the machined surface may not be perfect, the irregularities can be filled using shims. The gasket is typically made of a sheet material such as paper, rubber, silicone rubber, metal, cork, felt, neoprene, nitrile rubber, fiberglass, or a plastic polymer (e.g., polytetrafluoroethylene). The use of gaskets, possibly comprising asbestos gaskets, is a common construction in the mechanical sector, where gaskets for motor vehicles are required to have high corrosion and oxidation resistance. In the manufacture of gaskets for automobiles. Need use the gasket mould, traditional gasket mould has the problem that corrosion resisting property is poor, oxidation resistance is poor.
How to provide a gasket mould for an automobile with strong corrosion resistance and good oxidation resistance becomes a problem to be solved urgently.
Disclosure of Invention
Aiming at the problems, the corrosion-resistant oxidation-resistant automobile gasket mold manufactured by the invention has the advantages of strong corrosion resistance and good oxidation resistance.
In order to achieve the purpose, the invention adopts the following technical scheme:
the anticorrosive oxidation-resistant gasket mold for the automobile comprises the following components in parts by weight: 32-40 parts of polytetrafluoroethylene, 26-34 parts of modified graphite powder, 22-27 parts of polyethylene, 18-24 parts of polyvinyl chloride resin, 16-20 parts of polyaniline, 13-17 parts of graphene, 9-15 parts of brominated epoxy resin, 7-12 parts of calcium oxide and 5-10 parts of surfactant.
Preferably, the preparation method of the modified graphite powder comprises the following steps: adding a mixed solution with the mass twice that of graphite powder into the graphite powder, adding potassium permanganate solid with the mass 6% that of the graphite powder into the graphite powder, stirring and uniformly mixing to obtain a solution A, controlling the temperature of the solution A at 60-75 ℃, and keeping the temperature for 50-70 min; and then filtering the solution A to obtain a solid component B, washing the solid component B with deionized water, drying the component B at 90-105 ℃, carrying out heat treatment on the dried component B at 700-800 ℃ for 50-80 s, and taking out to obtain the modified graphite powder.
Preferably, the manufacturing method of the gasket mold comprises the following steps:
a. weighing polytetrafluoroethylene, modified graphite powder, polyethylene, polyvinyl chloride resin, polyaniline, graphene, brominated epoxy resin and calcium oxide, then crushing to obtain a mixed component, and putting the mixed component into a glassware;
b. b, putting a surfactant and water into a glassware in sequence and fully mixing the materials in the step a; forming the material into blanks with different sizes;
c. putting the blank into an oven to be dried at 70-80 ℃, and processing the blank into a die blank through a numerical control machine according to the specific size of a die required to be manufactured;
d. sintering the die blank at the high temperature of 1200 ℃ for 8-12 min;
e. and uniformly coating a layer of anticorrosive wax on the whole surface of the sintered die blank, and curing for 12-20 min to obtain a finished die.
Preferably, the surfactant is sodium lauryl sulfate.
Preferably, the mixed solution is prepared by mixing acetic acid with the concentration of 1.5mol/L, phosphoric acid with the concentration of 2mol/L and hydrochloric acid with the volume ratio of 1mol/L of 8: 1: 2 is configured and made.
Preferably, the amount of water added in step b is twice the total mass of the mixed components.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the graphite powder is soaked in a mixed solution consisting of acetic acid and hydrochloric acid, and carbon atoms in the graphite are oxidized under the action of potassium permanganate, so that the expansion volume of the graphite is increased, and the oxidation resistance of the modified graphite is improved; in addition, the potassium permanganate is added and the hydrochloric acid is also added, so that the oxidability of the potassium permanganate can be enhanced, the expansion capacity of the graphite is further increased, the oxidation resistance of the modified graphite is enhanced, and the time required by the modified graphite is shortened.
2. The graphene has excellent hydrophobicity and can inhibit infiltration and permeation of water on the rubber gasket, so that the anticorrosion effect is achieved; the polyaniline has high oxidation-reduction potential and good sterilization effect, and the graphene and the polyaniline are mixed to be synergistic in corrosion prevention, so that the polyaniline has good sterilization and corrosion prevention effects.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
the anticorrosive oxidation-resistant gasket mold for the automobile comprises the following components in parts by weight: 32 parts of polytetrafluoroethylene, 28 parts of modified graphite powder, 24 parts of polyethylene, 18 parts of polyvinyl chloride resin, 17 parts of polyaniline, 14 parts of graphene, 9 parts of brominated epoxy resin, 8 parts of calcium oxide and 5 parts of surfactant.
The preparation method of the modified graphite powder comprises the following steps: adding a mixed solution with the mass twice that of graphite powder into the graphite powder, adding potassium permanganate solid with the mass 6% that of the graphite powder into the graphite powder, stirring and uniformly mixing to obtain a solution A, controlling the temperature of the solution A at 60 ℃, and keeping the temperature for 50 min; and then filtering the solution A to obtain a solid component B, washing the solid component B by using deionized water, then drying the component B at 90 ℃, carrying out heat treatment on the dried component B at 700 ℃ for 50s, and then taking out to obtain the modified graphite powder.
The manufacturing method of the gasket mold comprises the following steps:
a. weighing polytetrafluoroethylene, modified graphite powder, polyethylene, polyvinyl chloride resin, polyaniline, graphene, brominated epoxy resin and calcium oxide, then crushing to obtain a mixed component, and putting the mixed component into a glassware;
b. b, putting a surfactant and water into a glassware in sequence and fully mixing the materials in the step a; forming the material into blanks with different sizes;
c. putting the blank into an oven to be dried at 70 ℃, and processing the blank into a die blank through a numerical control machine according to the specific size of a die required to be manufactured;
d. sintering the die blank at 1200 ℃ for 8 min;
e. and uniformly coating a layer of anticorrosive wax on the whole surface of the sintered die blank, and curing for 12min to obtain a finished die.
Example 2:
the anticorrosive oxidation-resistant gasket mold for the automobile comprises the following components in parts by weight: 36 parts of polytetrafluoroethylene, 26 parts of modified graphite powder, 22 parts of polyethylene, 20 parts of polyvinyl chloride resin, 16 parts of polyaniline, 13 parts of graphene, 12 parts of brominated epoxy resin, 7 parts of calcium oxide and 7 parts of surfactant.
The preparation method of the modified graphite powder comprises the following steps: adding a mixed solution with the mass twice that of graphite powder into the graphite powder, adding potassium permanganate solid with the mass 6% that of the graphite powder into the graphite powder, stirring and uniformly mixing to obtain a solution A, controlling the temperature of the solution A at 66 ℃, and keeping the temperature for 58 min; and then filtering the solution A to obtain a solid component B, washing the solid component B by using deionized water, then drying the component B at 95 ℃, carrying out heat treatment on the dried component B at 740 ℃ for 62s, and then taking out to obtain the modified graphite powder.
The manufacturing method of the gasket mold comprises the following steps:
a. weighing polytetrafluoroethylene, modified graphite powder, polyethylene, polyvinyl chloride resin, polyaniline, graphene, brominated epoxy resin and calcium oxide, then crushing to obtain a mixed component, and putting the mixed component into a glassware;
b. b, putting a surfactant and water into a glassware in sequence and fully mixing the materials in the step a; forming the material into blanks with different sizes;
c. putting the blank into an oven to be dried at 74 ℃, and processing the blank into a die blank through a numerical control machine according to the specific size of a die required to be manufactured;
d. sintering the die blank at 1200 ℃ for 9 min;
e. and uniformly coating a layer of anticorrosive wax on the whole surface of the sintered die blank, and curing for 16min to obtain a finished die.
Example 3:
the anticorrosive oxidation-resistant gasket mold for the automobile comprises the following components in parts by weight: 40 parts of polytetrafluoroethylene, 30 parts of modified graphite powder, 27 parts of polyethylene, 22 parts of polyvinyl chloride resin, 20 parts of polyaniline, 15 parts of graphene, 14 parts of brominated epoxy resin, 12 parts of calcium oxide and 9 parts of surfactant.
The preparation method of the modified graphite powder comprises the following steps: adding a mixed solution with the mass twice that of graphite powder into the graphite powder, adding potassium permanganate solid with the mass 6% that of the graphite powder into the graphite powder, stirring and uniformly mixing to obtain a solution A, controlling the temperature of the solution A at 70 ℃, and keeping the temperature for 65 min; and then filtering the solution A to obtain a solid component B, washing the solid component B by using deionized water, then drying the component B at 101 ℃, carrying out heat treatment on the dried component B at 790 ℃ for 76s, and then taking out to obtain the modified graphite powder.
The manufacturing method of the gasket mold comprises the following steps:
a. weighing polytetrafluoroethylene, modified graphite powder, polyethylene, polyvinyl chloride resin, polyaniline, graphene, brominated epoxy resin and calcium oxide, then crushing to obtain a mixed component, and putting the mixed component into a glassware;
b. b, putting a surfactant and water into a glassware in sequence and fully mixing the materials in the step a; forming the material into blanks with different sizes;
c. putting the blank into an oven to be dried at 78 ℃, and processing the blank into a die blank through a numerical control machine according to the specific size of a die required to be manufactured;
d. sintering the die blank at the high temperature of 1200 ℃ for 10 min;
e. and uniformly coating a layer of anticorrosive wax on the whole surface of the sintered die blank, and curing for 18min to obtain a finished die.
Example 4:
the anticorrosive oxidation-resistant gasket mold for the automobile comprises the following components in parts by weight: 38 parts of polytetrafluoroethylene, 34 parts of modified graphite powder, 25 parts of polyethylene, 24 parts of polyvinyl chloride resin, 19 parts of polyaniline, 17 parts of graphene, 15 parts of brominated epoxy resin, 11 parts of calcium oxide and 10 parts of surfactant.
The preparation method of the modified graphite powder comprises the following steps: adding a mixed solution with the mass twice that of graphite powder into the graphite powder, adding potassium permanganate solid with the mass 6% that of the graphite powder into the graphite powder, stirring and uniformly mixing to obtain a solution A, controlling the temperature of the solution A at 75 ℃, and keeping the temperature for 70 min; and then filtering the solution A to obtain a solid component B, washing the solid component B by using deionized water, then drying the component B at 105 ℃, carrying out heat treatment on the dried component B at 800 ℃ for 80s, and then taking out to obtain the modified graphite powder.
The manufacturing method of the gasket mold comprises the following steps:
a. weighing polytetrafluoroethylene, modified graphite powder, polyethylene, polyvinyl chloride resin, polyaniline, graphene, brominated epoxy resin and calcium oxide, then crushing to obtain a mixed component, and putting the mixed component into a glassware;
b. b, putting a surfactant and water into a glassware in sequence and fully mixing the materials in the step a; forming the material into blanks with different sizes;
c. putting the blank into an oven to be dried at the temperature of 80 ℃, and processing the blank into a die blank through a numerical control machine according to the specific size of a die required to be manufactured;
d. sintering the die blank at the high temperature of 1200 ℃ for 12 min;
e. and uniformly coating a layer of anticorrosive wax on the whole surface of the sintered die blank, and curing for 20min to obtain a finished die.
A commercially available gasket mold for an automobile was used as a control group, the gasket mold manufactured according to the present invention was used as an experimental group, and the control group was compared with the gasket molds manufactured according to examples 1, 2, 3 and 4 of the present invention. Comparing under the same condition, obtaining the data of each index as the following table:
| weight loss rate/%) | Grade of corrosion | Impact toughness/Jm～2 | |
| Control group | 34.5 | 7 | 53.6 |
| Example 1 | 11.2 | 2 | 79.5 |
| Example 2 | 10.8 | 3 | 80.4 |
| Example 3 | 10.3 | 3 | 82.1 |
| Example 4 | 11.4 | 4 | 81.7 |
Note: 1. the gasket mould for the automobile prepared by the invention and the gasket mould for the automobile sold in the market are burned at the temperature of 700 ℃, and the mass reduction amount is weighed after 30min, so that the weight loss rate is calculated.
2. The gasket mold for the automobile and the gasket mold for the market are soaked in a potassium chloride solution with the concentration of 3% by mass for 30 days, and then the corrosion conditions of the surfaces of the gasket mold for the automobile and the gasket mold for the market are recorded.
As can be seen from the data in the table, the gasket mold manufactured by the present invention is smaller in weight loss rate and corrosion level than the commercially available gasket mold, and is larger in impact toughness than the commercially available gasket mold. The gasket die for the automobile, which is manufactured by the invention, is better than the gasket die sold in the market in oxidation resistance and corrosion resistance, and the manufacturing process is more complete, the overall performance of the product is better than that of a control group, and the gasket die is worthy of popularization.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides a gasket mould for anticorrosive oxytolerant car which characterized in that, this gasket mould raw materials include by weight: 32-40 parts of polytetrafluoroethylene, 26-34 parts of modified graphite powder, 22-27 parts of polyethylene, 18-24 parts of polyvinyl chloride resin, 16-20 parts of polyaniline, 13-17 parts of graphene, 9-15 parts of brominated epoxy resin, 7-12 parts of calcium oxide and 5-10 parts of surfactant, wherein the preparation method of the modified graphite powder comprises the following steps: adding a mixed solution with the mass twice that of graphite powder into the graphite powder, adding potassium permanganate solid with the mass 6% that of the graphite powder into the graphite powder, stirring and uniformly mixing to obtain a solution A, controlling the temperature of the solution A at 60-75 ℃, and keeping the temperature for 50-70 min; and then filtering the solution A to obtain a solid component B, washing the solid component B with deionized water, drying the component B at 90-105 ℃, carrying out heat treatment on the dried component B at 700-800 ℃ for 50-80 s, and taking out the component B to obtain the modified graphite powder, wherein the mixed solution is prepared from 1.5mol/L acetic acid, 2mol/L phosphoric acid and 1mol/L hydrochloric acid according to the volume ratio of 8: 1: 2, the manufacturing method of the gasket mold comprises the following steps:
a. weighing polytetrafluoroethylene, modified graphite powder, polyethylene, polyvinyl chloride resin, polyaniline, graphene, brominated epoxy resin and calcium oxide, then crushing to obtain a mixed component, and putting the mixed component into a glassware;
b. b, putting a surfactant and water into a glassware in sequence and fully mixing the materials in the step a; forming the material into blanks with different sizes;
c. putting the blank into an oven to be dried at 70-80 ℃, and processing the blank into a die blank through a numerical control machine according to the specific size of a die required to be manufactured;
d. sintering the die blank at the high temperature of 1200 ℃ for 8-12 min;
e. and uniformly coating a layer of anticorrosive wax on the whole surface of the sintered die blank, and curing for 12-20 min to obtain a finished die.
2. The corrosion-resistant oxidation-resistant gasket mold for the automobile according to claim 1, characterized in that: the surfactant is sodium lauryl sulfate.
3. The corrosion-resistant oxidation-resistant gasket mold for the automobile according to claim 1, characterized in that: the adding amount of the water in the step b is twice of the total mass of the mixed components.
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| CN201710337217.5A CN107010959B (en) | 2017-05-14 | 2017-05-14 | Corrosion-resistant oxidation-resistant gasket mold for automobile and manufacturing method thereof |
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| CN108971356A (en) * | 2018-10-10 | 2018-12-11 | 滁州岳众汽车零部件有限公司 | A kind of stamping die manufacturing process of auto pedal connector |
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| DE102012202748A1 (en) * | 2012-02-22 | 2013-08-22 | Sgl Carbon Se | Process for producing a graphite foil |
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| CN103122075A (en) * | 2013-03-19 | 2013-05-29 | 苏州格瑞丰纳米科技有限公司 | High heat-conducting thin graphene-based composite material, as well as preparation method and application thereof |
| CN105176086A (en) * | 2014-05-28 | 2015-12-23 | 中国科学院苏州纳米技术与纳米仿生研究所 | Oriented graphene/polymer composite system, and preparation method and application thereof |
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