CN107010959A - Anti-corrosion resistance to oxidation automobile pad mould and its manufacture method - Google Patents
Anti-corrosion resistance to oxidation automobile pad mould and its manufacture method Download PDFInfo
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- CN107010959A CN107010959A CN201710337217.5A CN201710337217A CN107010959A CN 107010959 A CN107010959 A CN 107010959A CN 201710337217 A CN201710337217 A CN 201710337217A CN 107010959 A CN107010959 A CN 107010959A
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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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- 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
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- 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
Abstract
The present invention relates to technology of die manufacturing field, and in particular to a kind of anti-corrosion resistance to oxidation automobile pad mould and its manufacture method；It is composed of the following components：Polytetrafluoroethylene (PTFE), modified graphite powder, polyethylene, Corvic, polyaniline, graphene, brominated epoxy resin, calcium oxide and surfactant；Carbon atom in graphite in the presence of potassium permanganate is oxidized, and increases the expansion capacity of graphite, so as to improve the antioxygenic property of modified graphite；In addition, the oxidisability that addition hydrochloric acid enhances potassium permanganate makes the oxidation resistance of modified graphite stronger, while also shortening the time needed for modified graphite；Graphene has excellent hydrophobicity, and can suppress infiltration and infiltration of the water to rubber sheet gasket, so as to reach that corrosion-resistant is acted on；Polyaniline has very high oxidation-reduction potential, with good bactericidal effect, and graphene is mutually cooperateed with after being mixed with polyaniline in terms of anticorrosion, with good sterilization and antiseptic effect.
Description
Technical field
The present invention relates to technology of die manufacturing field, and in particular to a kind of anti-corrosion resistance to oxidation automobile pad mould and its system
Make method.
Background technology
Pad is the mechanical seal between two objects, generally to prevent from being under pressure between two objects, burn into and
Pipeline expands with heat and contract with cold leakage naturally.Because machining surface can not possibly be perfect, scrambling can be filled up using pad.Pad
Piece is generally made up of flaky material, such as packing paper, rubber, silicon rubber, metal, cork, felt, neoprene, nitrile rubber, glass
Fiber or plastic polymer (such as polytetrafluoroethylene (PTFE)).The pad of application-specific may be very normal in mechanical field containing asbestos washer
A kind of structure seen, the pad requirement of automobile has higher anti-corrosion and oxidation resistent susceptibility.In the automobile pad of manufacture.
Need to use shim mold, traditional shim mold has the problem of antiseptic property is poor, oxidation resistent susceptibility is poor.
How to provide the automobile pad mould that a kind of antiseptic property is strong, oxidation resistent susceptibility is good turns into urgently to be resolved hurrily ask
Topic.
The content of the invention
For above-mentioned problem, a kind of anti-corrosion resistance to oxidation automobile pad mould produced by the present invention, with anti-corrosion
The advantage that performance is strong, oxidation resistent susceptibility is good.
To achieve the above object, the present invention uses following technical scheme：
A kind of anti-corrosion resistance to oxidation automobile pad mould, its composition is by weight：32~40 parts of polytetrafluoroethylene (PTFE), modification
26~34 parts of graphite powder, 22~27 parts of polyethylene, 18~24 parts of Corvic, 16~20 parts of polyaniline, graphene 13~
5~10 parts of 17 parts, 9~15 parts of brominated epoxy resin, 7~12 parts of calcium oxide and surfactant.
It is preferred that, the preparation method of the modified graphite powder comprises the following steps：Into graphite powder add quality for its two
Mixed solution again, adds the potassium permanganate solid that quality is graphite powder 6% thereto, and stirring, mixing obtain solution A, will be molten
Liquid A temperature control is incubated 50~70min at 60~75 DEG C；Then solution A is filtered, obtains solid constituent B, use deionization
Water is rinsed to solid constituent B, is dried under conditions of component B then is placed in into 90~105 DEG C, dried component B is 700
50~80s is heat-treated under conditions of~800 DEG C, then takes out, produces modified graphite powder.
It is preferred that, the manufacture method of the shim mold comprises the following steps：
A, by polytetrafluoroethylene (PTFE), modified graphite powder, polyethylene, Corvic, polyaniline, graphene, brominated epoxy
Resin and calcium oxide are crushed after weighing, and obtain blending ingredients, blending ingredients are put into glassware；
B, surfactant and water are sequentially placed into material in glassware neutralization procedure a are sufficiently mixed；By material
It is shaped to blank not of uniform size；
C, blank is put into baking oven dried under conditions of 70~80 DEG C, then according to the specific chi of required manufacture mould
It is very little that blank is processed into by mold base by Digit Control Machine Tool；
D, by mold base under conditions of 1200 DEG C 8~12min of high temperature sintering；
E, mold base integral surface after sintering are uniformly coated with one layer of antiseptic wax, solidify 12~20min, obtain finishing die
Tool.
It is preferred that, the surfactant selects sldium lauryl sulfate.
It is preferred that, phosphoric acid and 1mol/L that acetic acid that the mixed solution is 1.5mol/L by concentration, concentration are 2mol/L
Hydrochloric acid according to volume ratio 8：1：2 configurations are made.
It is preferred that, the addition of the step b reclaimed waters is twice of blending ingredients gross mass.
Using above-mentioned technical scheme, the beneficial effect that the present invention reaches is：
1st, graphite powder is immersed in the mixed solution of acetic acid and hydrochloric acid composition, the carbon in graphite in the presence of potassium permanganate
Atom is oxidized so that the expansion capacity increase of graphite, so as to improve the antioxygenic property of modified graphite；In addition, in the present invention
Hydrochloric acid is also added into while adding potassium permanganate, can so strengthen the oxidisability of potassium permanganate, enter the expansion capacity of graphite
One step increases, and strengthens the oxidation resistance of modified graphite, while also shortening the time needed for modified graphite.
2nd, graphene has excellent hydrophobicity, and can suppress infiltration and infiltration of the water to rubber sheet gasket, so as to reach
Corrosion-resistant is acted on；Polyaniline has very high oxidation-reduction potential, and with good bactericidal effect, graphene is mixed with polyaniline
Mutually cooperateed with terms of anticorrosion afterwards, with good sterilization and antiseptic effect.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described.Based on embodiments of the invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Embodiment 1：
A kind of anti-corrosion resistance to oxidation automobile pad mould, its composition is by weight：32 parts of polytetrafluoroethylene (PTFE), modified graphite
28 parts of powder, 24 parts of polyethylene, 18 parts of Corvic, 17 parts of polyaniline, 14 parts of graphene, 9 parts of brominated epoxy resin, oxidation
5 parts of 8 parts of calcium and surfactant.
The preparation method of modified graphite powder comprises the following steps：It is that its twice mixing is molten that quality is added into graphite powder
Liquid, adds the potassium permanganate solid that quality is graphite powder 6%, stirring, mixing obtain solution A, by the temperature of solution A thereto
Control is incubated 50min at 60 DEG C；Then solution A is filtered, obtains solid constituent B, solid constituent B is carried out with deionized water
Rinse, dried under conditions of component B then is placed in into 90 DEG C, dried component B is heat-treated 50s under conditions of 700 DEG C, so
After take out, produce modified graphite powder.
The manufacture method of shim mold comprises the following steps：
A, by polytetrafluoroethylene (PTFE), modified graphite powder, polyethylene, Corvic, polyaniline, graphene, brominated epoxy
Resin and calcium oxide are crushed after weighing, and obtain blending ingredients, blending ingredients are put into glassware；
B, surfactant and water are sequentially placed into material in glassware neutralization procedure a are sufficiently mixed；By material
It is shaped to blank not of uniform size；
C, blank is put into baking oven dried under conditions of 70 DEG C, then led to according to the specific size of required manufacture mould
Cross Digit Control Machine Tool and blank is processed into mold base；
D, by mold base under conditions of 1200 DEG C high temperature sintering 8min；
E, mold base integral surface after sintering are uniformly coated with one layer of antiseptic wax, solidify 12min, obtain finished product die.
Embodiment 2：
A kind of anti-corrosion resistance to oxidation automobile pad mould, its composition is by weight：36 parts of polytetrafluoroethylene (PTFE), modified graphite
26 parts of powder, 22 parts of polyethylene, 20 parts of Corvic, 16 parts of polyaniline, 13 parts of graphene, 12 parts of brominated epoxy resin, oxygen
Change 7 parts of 7 parts of calcium and surfactant.
The preparation method of modified graphite powder comprises the following steps：It is that its twice mixing is molten that quality is added into graphite powder
Liquid, adds the potassium permanganate solid that quality is graphite powder 6%, stirring, mixing obtain solution A, by the temperature of solution A thereto
Control is incubated 58min at 66 DEG C；Then solution A is filtered, obtains solid constituent B, solid constituent B is carried out with deionized water
Rinse, dried under conditions of component B then is placed in into 95 DEG C, dried component B is heat-treated 62s under conditions of 740 DEG C, so
After take out, produce modified graphite powder.
The manufacture method of shim mold comprises the following steps：
A, by polytetrafluoroethylene (PTFE), modified graphite powder, polyethylene, Corvic, polyaniline, graphene, brominated epoxy
Resin and calcium oxide are crushed after weighing, and obtain blending ingredients, blending ingredients are put into glassware；
B, surfactant and water are sequentially placed into material in glassware neutralization procedure a are sufficiently mixed；By material
It is shaped to blank not of uniform size；
C, blank is put into baking oven dried under conditions of 74 DEG C, then led to according to the specific size of required manufacture mould
Cross Digit Control Machine Tool and blank is processed into mold base；
D, by mold base under conditions of 1200 DEG C high temperature sintering 9min；
E, mold base integral surface after sintering are uniformly coated with one layer of antiseptic wax, solidify 16min, obtain finished product die.
Embodiment 3：
A kind of anti-corrosion resistance to oxidation automobile pad mould, its composition is by weight：40 parts of polytetrafluoroethylene (PTFE), modified graphite
30 parts of powder, 27 parts of polyethylene, 22 parts of Corvic, 20 parts of polyaniline, 15 parts of graphene, 14 parts of brominated epoxy resin, oxygen
Change 9 parts of 12 parts of calcium and surfactant.
The preparation method of modified graphite powder comprises the following steps：It is that its twice mixing is molten that quality is added into graphite powder
Liquid, adds the potassium permanganate solid that quality is graphite powder 6%, stirring, mixing obtain solution A, by the temperature of solution A thereto
Control is incubated 65min at 70 DEG C；Then solution A is filtered, obtains solid constituent B, solid constituent B is carried out with deionized water
Rinse, dried under conditions of component B then is placed in into 101 DEG C, dried component B is heat-treated 76s under conditions of 790 DEG C,
Then take out, produce modified graphite powder.
The manufacture method of shim mold comprises the following steps：
A, by polytetrafluoroethylene (PTFE), modified graphite powder, polyethylene, Corvic, polyaniline, graphene, brominated epoxy
Resin and calcium oxide are crushed after weighing, and obtain blending ingredients, blending ingredients are put into glassware；
B, surfactant and water are sequentially placed into material in glassware neutralization procedure a are sufficiently mixed；By material
It is shaped to blank not of uniform size；
C, blank is put into baking oven dried under conditions of 78 DEG C, then led to according to the specific size of required manufacture mould
Cross Digit Control Machine Tool and blank is processed into mold base；
D, by mold base under conditions of 1200 DEG C high temperature sintering 10min；
E, mold base integral surface after sintering are uniformly coated with one layer of antiseptic wax, solidify 18min, obtain finished product die.
Embodiment 4：
A kind of anti-corrosion resistance to oxidation automobile pad mould, its composition is by weight：38 parts of polytetrafluoroethylene (PTFE), modified graphite
34 parts of powder, 25 parts of polyethylene, 24 parts of Corvic, 19 parts of polyaniline, 17 parts of graphene, 15 parts of brominated epoxy resin, oxygen
Change 10 parts of 11 parts of calcium and surfactant.
The preparation method of modified graphite powder comprises the following steps：It is that its twice mixing is molten that quality is added into graphite powder
Liquid, adds the potassium permanganate solid that quality is graphite powder 6%, stirring, mixing obtain solution A, by the temperature of solution A thereto
Control is incubated 70min at 75 DEG C；Then solution A is filtered, obtains solid constituent B, solid constituent B is carried out with deionized water
Rinse, dried under conditions of component B then is placed in into 105 DEG C, dried component B is heat-treated 80s under conditions of 800 DEG C,
Then take out, produce modified graphite powder.
The manufacture method of shim mold comprises the following steps：
A, by polytetrafluoroethylene (PTFE), modified graphite powder, polyethylene, Corvic, polyaniline, graphene, brominated epoxy
Resin and calcium oxide are crushed after weighing, and obtain blending ingredients, blending ingredients are put into glassware；
B, surfactant and water are sequentially placed into material in glassware neutralization procedure a are sufficiently mixed；By material
It is shaped to blank not of uniform size；
C, blank is put into baking oven dried under conditions of 80 DEG C, then led to according to the specific size of required manufacture mould
Cross Digit Control Machine Tool and blank is processed into mold base；
D, by mold base under conditions of 1200 DEG C high temperature sintering 12min；
E, mold base integral surface after sintering are uniformly coated with one layer of antiseptic wax, solidify 20min, obtain finished product die.
By commercially available automobile pad mould as a control group, experiment is used as using the shim mold manufactured by the present invention
Group, control group is contrasted with the shim mold manufactured by embodiment 1,2,3 and 4 in the present invention.Contrast, obtain under the same conditions
To indices data such as following table：
| Weight-loss ratio/% | Corrosion class | Impact flexibility/Jm~2 | |
| Control group | 34.5 | 7 | 53.6 |
| Embodiment 1 | 11.2 | 2 | 79.5 |
| Embodiment 2 | 10.8 | 3 | 80.4 |
| Embodiment 3 | 10.3 | 3 | 82.1 |
| Embodiment 4 | 11.4 | 4 | 81.7 |
Note：1st, by the automobile pad mould prepared by the present invention and condition of the commercially available automobile pad mould at 700 DEG C
The decrement of its quality is weighed after lower carry out calcination, 30min, so as to calculate weight-loss ratio.
The 2nd, automobile pad mould prepared by the present invention and commercially available automobile pad mould are immersed in the matter of concentration
Fraction is measured in 3% Klorvess Liquid, soak time is 30d, automobile pad mould and commercially available vapour automotive cushion is then recorded
The corrosion condition on die surface.
The data in table, shim mold produced by the present invention is respectively less than commercially available pad in terms of weight-loss ratio and corrosion class
Die, in terms of impact flexibility be more than commercially available shim mold.Show automobile pad mould produced by the present invention in resistance to oxidation
Commercially available shim mold is superior to in terms of anticorrosion, also indicates that manufacturing process of the present invention is more perfect, product overall performance is than control
Group more preferably, is worthy to be popularized.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a kind of anti-corrosion resistance to oxidation automobile pad mould, it is characterised in that its composition is by weight：Polytetrafluoroethylene (PTFE) 32~
40 parts, 26~34 parts of modified graphite powder, 22~27 parts of polyethylene, 18~24 parts of Corvic, 16~20 parts of polyaniline, stone
5~10 parts of black 13~17 parts of alkene, 9~15 parts of brominated epoxy resin, 7~12 parts of calcium oxide and surfactant.
2. a kind of anti-corrosion resistance to oxidation automobile pad mould according to claim 1, it is characterised in that the modified graphite
The preparation method of powder comprises the following steps：It is its twice mixed solution that quality is added into graphite powder, and quality is added thereto
For the potassium permanganate solid of graphite powder 6%, stirring, mixing obtain solution A, by the temperature control of solution A at 60~75 DEG C, protected
50~70min of temperature；Then solution A is filtered, obtains solid constituent B, solid constituent B is rinsed with deionized water, then
Being dried under conditions of component B is placed in into 90~105 DEG C, dried component B is heat-treated 50 under conditions of 700~800 DEG C~
80s, then takes out, and produces modified graphite powder.
3. a kind of anti-corrosion resistance to oxidation automobile pad mould according to claim 1, it is characterised in that the fixture mould
The manufacture method of tool comprises the following steps：
A, by polytetrafluoroethylene (PTFE), modified graphite powder, polyethylene, Corvic, polyaniline, graphene, brominated epoxy resin
Crushed after being weighed with calcium oxide, obtain blending ingredients, blending ingredients are put into glassware；
B, surfactant and water are sequentially placed into material in glassware neutralization procedure a are sufficiently mixed；Form the material into
For blank not of uniform size；
C, blank is put into baking oven dried under conditions of 70~80 DEG C, then led to according to the specific size of required manufacture mould
Cross Digit Control Machine Tool and blank is processed into mold base；
D, by mold base under conditions of 1200 DEG C 8~12min of high temperature sintering；
E, mold base integral surface after sintering are uniformly coated with one layer of antiseptic wax, solidify 12~20min, obtain finished product die.
4. a kind of anti-corrosion resistance to oxidation automobile pad mould according to claim 1, it is characterised in that：The surface-active
Sldium lauryl sulfate is selected in agent.
5. a kind of anti-corrosion resistance to oxidation automobile pad mould according to claim 2, it is characterised in that：The mixed solution
The hydrochloric acid of the acetic acid for being 1.5mol/L by concentration, the phosphoric acid that concentration is 2mol/L and 1mol/L is according to volume ratio 8：1：2 configuration systems
Into.
6. a kind of anti-corrosion resistance to oxidation automobile pad mould according to claim 3, it is characterised in that：In the step b
The addition of water is twice of blending ingredients gross mass.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN107010959A true CN107010959A (en) | 2017-08-04 |
| CN107010959B CN107010959B (en) | 2020-04-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN107010959B (en) | 2020-04-14 |
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