CN109233293A - A kind of vehicle rotary shafting oil envelope uses rubber seal - Google Patents
A kind of vehicle rotary shafting oil envelope uses rubber seal Download PDFInfo
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- CN109233293A CN109233293A CN201810811650.2A CN201810811650A CN109233293A CN 109233293 A CN109233293 A CN 109233293A CN 201810811650 A CN201810811650 A CN 201810811650A CN 109233293 A CN109233293 A CN 109233293A
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- parts
- rubber seal
- vehicle rotary
- shafting oil
- oil envelope
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
- C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of vehicle rotary shafting oil envelope rubber seals, its raw material includes: 100-150 parts of nitrile silicone rubber, 40-80 parts of neoprene, 20-40 parts of nanometer silica composite by weight, 12-20 parts of talcum powder, 16-25 parts of sepiolite powder, 3-5 parts of plasticizer, 0.2-0.8 parts of tert-butyl hydroperoxide, 0.2-1 parts of tetramethylthiuram disulfide, N- cyclohexyl -0.6-1.2 parts of 2-[4-morpholinodithio sulfenamide, 0.1-0.2 parts of zinc oxide, 1.5-3.5 parts of anti-aging agent.Nanometer silica composite is prepared using following technique: humic acid, sodium hydroxide solution are stirred, regulation system is in neutrality, nano-titanium dioxide, polyethylene glycol 400 stirring is added, sodium carboxymethylcellulose, epoxychloropropane is added, heating stirring, filtering, washing, is dried to obtain nanometer silica composite.
Description
Technical field
The present invention relates to rubber seal technical fields more particularly to a kind of vehicle rotary shafting oil envelope to use rubber seal.
Background technique
With the rapid development of the automotive industry, user is higher and higher to engine reliability and sealing requirement, and with hair
Motivation turns degree and is continuously improved, and the operating condition that used oil sealing especially rotary shaft oil seal is born is also more and more harsh.Oil sealing is used
Rubber seal is a kind of higher product of technology content, and has also just been in the starting stage in China, but gradually apply in state
On interior medium and high quality car.But there is also the technical problems of tensile strength and elongation at break deficiency for current rubber seal, are easy
It causes to leak, it would be highly desirable to solve.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of vehicle rotary shafting oil envelope rubber seals
Part, sealing effect is good, and tensile strength and elongation at break are high.
A kind of vehicle rotary shafting oil envelope rubber seal proposed by the present invention, raw material includes: nitrile silicon rubber by weight
100-150 parts of glue, 40-80 parts of neoprene, 20-40 parts of nanometer silica composite, 12-20 parts of talcum powder, sepiolite powder
16-25 parts, 3-5 parts of plasticizer, 0.2-0.8 parts of tert-butyl hydroperoxide, 0.2-1 parts of tetramethylthiuram disulfide, N- ring is
Base -0.6-1.2 parts of 2-[4-morpholinodithio sulfenamide, 0.1-0.2 parts of zinc oxide, 1.5-3.5 parts of anti-aging agent.
Preferably, plasticizer includes: 0.5-1.2 parts of disproportionated rosin by weight, dioctyl phthalate 0.6-1.2
Part, -2 parts of trimethylphenyl phosphatase 11,0.1-0.8 parts of stearic acid.
Preferably, anti-aging agent includes: 0.6-1.5 parts of anti-aging agent ODA, 1-2 parts of anti-aging agent 8PPD by weight.
Preferably, nanometer silica composite is prepared using following technique: humic acid, sodium hydroxide solution are stirred,
Regulation system is in neutrality, and nano-titanium dioxide, polyethylene glycol 400 stirring is added, sodium carboxymethylcellulose, epoxy chloropropionate is added
Alkane, heating stirring, is filtered, and washing is dried to obtain nanometer silica composite.
Preferably, in the preparation process of nanometer silica composite, humic acid, sodium hydroxide solution are stirred into 1-2h,
Whipping temp is 66-85 DEG C.
Preferably, in the preparation process of nanometer silica composite, sodium carboxymethylcellulose, epoxychloropropane is added,
It is warming up to 92-100 DEG C of stirring 20-60min.
Preferably, in the preparation process of nanometer silica composite, humic acid, sodium hydroxide solution, nanometer titanium dioxide
Titanium, polyethylene glycol 400, sodium carboxymethylcellulose, epoxychloropropane weight ratio be 14-25:60-100:20-40:0.6-2:
0.6-1.6:1-1.6, concentration of sodium hydroxide solution 0.65-1.12mol/L.
The present invention is compounded using nitrile silicone rubber, neoprene, is cooperated in dioctyl phthalate, trimethylphenyl phosphoric acid
Under, mutual intersolubility is good, and vulcanization effect is good, makes that tensile strength of the present invention is high, elongation at break is good, then assist using disproportionated rosin
Same-action, can be improved the elasticity of the present invention at high temperature, and sealing effect is fabulous.
In nanometer silica composite of the invention, humic acid is rich in hydroxyl, carboxyl isopolarity functional group, can inhale strongly
It is attached to nano-titanium dioxide surface, under the action of polyethylene glycol 400, is crosslinked by epoxychloropropane, tensile strength is high, close
It is good to seal effect；Nanometer silica composite is compounded with nitrile silicone rubber, neoprene, is divided each other under the action of disproportionated rosin
Dissipate strong, intersolubility is good, and the present invention is made to have excellent tensile property and breaking strength, and sealing effect is good, stretches strong
It spends up to 25.8 ± 5MPa (HGT2902-1997), elongation at break is 260.6 ± 20% (HGT2902-1997)；Nano-silica
SiClx compound is compounded with talcum powder, sepiolite powder, is uniformly dispersed each other, and mechanical property is good, does not crack, wear-resistant, performance
Stablize,
The deformation when present invention is squeezed guarantees the effective leakproofness of oil sealing, when being shaken and vibration that table body is subject to by declining
Subtract, and compression strength is high, tearing-resistant performance is good, had not only protected the key part of oil sealing, but also guarantee portion can be restored by elasticity
The sealing of part avoids the damage of biggish vibration and impact to mechanical part.
The present invention is after 150 DEG C × 336h hot air aging, firmness change 0~+8, strength > 12, elongation > 180%；
After 150 DEG C × 504h impregnates in coolant liquid, firmness change -5~+5, strength > 12, elongation > 300%, weight change 0~
+3；Compression set < 50% after 150 DEG C × hot air aging for 24 hours.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of vehicle rotary shafting oil envelope rubber seal, raw material include: nitrile silicone rubber 100kg, neoprene 80kg,
Nanometer silica composite 20kg, talcum powder 20kg, sepiolite powder 16kg, plasticizer 5kg, tert-butyl hydroperoxide 0.2kg,
Tetramethylthiuram disulfide 1kg, N- cyclohexyl -2-[4-morpholinodithio sulfenamide 0.6kg, zinc oxide 0.2kg, anti-aging agent
1.5kg。
Plasticizer is 1.2 by disproportionated rosin, dioctyl phthalate, trimethylphenyl phosphoric acid, stearic acid by weight:
0.6:2:0.1.Anti-aging agent is 1.5:1 by anti-aging agent ODA, anti-aging agent 8PPD by weight.
Nanometer silica composite uses following technique to prepare: by 25kg humic acid, 60kg concentration for 1.12mol/L hydrogen
Sodium hydroxide solution stirs 1h, and whipping temp is 85 DEG C, and regulation system is in neutrality, and 20kg nano-titanium dioxide, the poly- second two of 2kg is added
Alcohol 400 stirs 4min, mixing speed 1500r/min, and 0.6kg sodium carboxymethylcellulose, 1.6kg epoxychloropropane is added, and rises
Temperature filters, washing is dried to obtain nanometer silica composite to 92 DEG C of stirring 60min.
Embodiment 2
A kind of vehicle rotary shafting oil envelope rubber seal, raw material include: nitrile silicone rubber 150kg, neoprene 40kg,
Nanometer silica composite 40kg, talcum powder 12kg, sepiolite powder 25kg, plasticizer 3kg, tert-butyl hydroperoxide 0.8kg,
Tetramethylthiuram disulfide 0.2kg, N- cyclohexyl -2-[4-morpholinodithio sulfenamide 1.2kg, zinc oxide 0.1kg, anti-aging agent
3.5kg。
Plasticizer is 0.5 by disproportionated rosin, dioctyl phthalate, trimethylphenyl phosphoric acid, stearic acid by weight:
1.2:1:0.8.Anti-aging agent is 0.6:2 by anti-aging agent ODA, anti-aging agent 8PPD by weight.
Nanometer silica composite uses following technique to prepare: by 14kg humic acid, 100kg concentration for 0.65mol/L
Sodium hydroxide solution stirs 2h, and whipping temp is 66 DEG C, and regulation system is in neutrality, and it is poly- that 40kg nano-titanium dioxide, 0.6kg is added
Ethylene glycol 400 stirs 10min, mixing speed 1200r/min, and 1.6kg sodium carboxymethylcellulose, 1kg epoxychloropropane is added,
100 DEG C of stirring 20min are warming up to, are filtered, washing is dried to obtain nanometer silica composite.
Embodiment 3
A kind of vehicle rotary shafting oil envelope rubber seal, raw material include: nitrile silicone rubber 120kg, neoprene 70kg,
Nanometer silica composite 25kg, talcum powder 18kg, sepiolite powder 18kg, plasticizer 4.5kg, tert-butyl hydroperoxide
0.4kg, tetramethylthiuram disulfide 0.8kg, N- cyclohexyl -2-[4-morpholinodithio sulfenamide 0.8kg, zinc oxide 0.18kg,
Anti-aging agent 2kg.
Plasticizer is 1 by disproportionated rosin, dioctyl phthalate, trimethylphenyl phosphoric acid, stearic acid by weight:
0.8:1.8:0.2.Anti-aging agent is 1.2:1.2 by anti-aging agent ODA, anti-aging agent 8PPD by weight.
Nanometer silica composite uses following technique to prepare: by 22kg humic acid, 70kg concentration for 1mol/L hydrogen-oxygen
Change sodium solution and stir 1.2h, whipping temp is 80 DEG C, and regulation system is in neutrality, and 25kg nano-titanium dioxide, the poly- second of 1.6kg is added
Glycol 400 stirs 6min, mixing speed 1400r/min, and 0.8kg sodium carboxymethylcellulose, 1.4kg epoxychloropropane is added,
94 DEG C of stirring 50min are warming up to, are filtered, washing is dried to obtain nanometer silica composite.
Embodiment 4
A kind of vehicle rotary shafting oil envelope rubber seal, raw material include: nitrile silicone rubber 140kg, neoprene 50kg,
Nanometer silica composite 35kg, talcum powder 14kg, sepiolite powder 22kg, plasticizer 3.5kg, tert-butyl hydroperoxide
0.6kg, tetramethylthiuram disulfide 0.4kg, N- cyclohexyl -2-[4-morpholinodithio sulfenamide 1kg, zinc oxide 0.12kg prevent
Old agent 3kg.
Plasticizer is 0.6 by disproportionated rosin, dioctyl phthalate, trimethylphenyl phosphoric acid, stearic acid by weight:
1:1.2:0.6.Anti-aging agent is 0.8:1.8 by anti-aging agent ODA, anti-aging agent 8PPD by weight.
Nanometer silica composite uses following technique to prepare: by 16kg humic acid, 90kg concentration for 0.8mol/L hydrogen
Sodium hydroxide solution stirs 1.8h, and whipping temp is 70 DEG C, and regulation system is in neutrality, and 35kg nano-titanium dioxide, the poly- second of 1kg is added
Glycol 400 stirs 8min, mixing speed 1300r/min, and 1.4kg sodium carboxymethylcellulose, 1.2kg epoxychloropropane is added,
98 DEG C of stirring 30min are warming up to, are filtered, washing is dried to obtain nanometer silica composite.
Embodiment 5
A kind of vehicle rotary shafting oil envelope rubber seal, raw material include: nitrile silicone rubber 130kg, neoprene 60kg,
Nanometer silica composite 30kg, talcum powder 16kg, sepiolite powder 20kg, plasticizer 4kg, tert-butyl hydroperoxide 0.5kg,
Tetramethylthiuram disulfide 0.6kg, N- cyclohexyl -2-[4-morpholinodithio sulfenamide 0.9kg, zinc oxide 0.15kg, anti-aging agent
2.5kg。
Plasticizer is 0.8 by disproportionated rosin, dioctyl phthalate, trimethylphenyl phosphoric acid, stearic acid by weight:
0.9:1.5:0.4.Anti-aging agent is 1:1.5 by anti-aging agent ODA, anti-aging agent 8PPD by weight.
Nanometer silica composite uses following technique to prepare: by 19kg humic acid, 80kg concentration for 0.9mol/L hydrogen
Sodium hydroxide solution stirs 1.5h, and whipping temp is 75 DEG C, and regulation system is in neutrality, and it is poly- that 30kg nano-titanium dioxide, 1.3kg is added
Ethylene glycol 400 stirs 7min, mixing speed 1350r/min, and 1.1kg sodium carboxymethylcellulose, 1.3kg epoxy chloropropionate is added
Alkane is warming up to 96 DEG C of stirring 40min, filters, and washing is dried to obtain nanometer silica composite.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of vehicle rotary shafting oil envelope rubber seal, which is characterized in that its raw material includes: nitrile silicone rubber by weight
100-150 parts, 40-80 parts of neoprene, 20-40 parts of nanometer silica composite, 12-20 parts of talcum powder, sepiolite powder 16-
25 parts, 3-5 parts of plasticizer, 0.2-0.8 parts of tert-butyl hydroperoxide, 0.2-1 parts of tetramethylthiuram disulfide, N- cyclohexyl-
0.6-1.2 parts of 2-[4-morpholinodithio sulfenamide, 0.1-0.2 parts of zinc oxide, 1.5-3.5 parts of anti-aging agent.
2. vehicle rotary shafting oil envelope rubber seal according to claim 1, which is characterized in that plasticizer wraps by weight
It includes: 0.5-1.2 parts of disproportionated rosin, 0.6-1.2 parts of dioctyl phthalate, -2 parts of trimethylphenyl phosphatase 11, stearic acid 0.1-
0.8 part.
3. vehicle rotary shafting oil envelope rubber seal according to claim 1 or claim 2, which is characterized in that anti-aging agent is by weight
Part includes: 0.6-1.5 parts of anti-aging agent ODA, 1-2 parts of anti-aging agent 8PPD.
4. any one of -3 vehicle rotary shafting oil envelope rubber seal according to claim 1, which is characterized in that nano-silica
SiClx compound is prepared using following technique: humic acid, sodium hydroxide solution being stirred, regulation system is in neutrality, and nanometer is added
Titanium dioxide, polyethylene glycol 400 stirring, are added sodium carboxymethylcellulose, epoxychloropropane, and heating stirring is filtered, washed, does
It is dry to obtain nanometer silica composite.
5. any one of -4 vehicle rotary shafting oil envelope rubber seal according to claim 1, which is characterized in that nano-silica
In the preparation process of SiClx compound, humic acid, sodium hydroxide solution are stirred into 1-2h, whipping temp is 66-85 DEG C.
6. any one of -5 vehicle rotary shafting oil envelope rubber seal according to claim 1, which is characterized in that nano-silica
In the preparation process of SiClx compound, sodium carboxymethylcellulose, epoxychloropropane is added, is warming up to 92-100 DEG C of stirring 20-
60min。
7. any one of -6 vehicle rotary shafting oil envelope rubber seal according to claim 1, which is characterized in that nano-silica
In the preparation process of SiClx compound, humic acid, sodium hydroxide solution, nano-titanium dioxide, polyethylene glycol 400, carboxymethyl are fine
Tie up plain sodium, the weight ratio of epoxychloropropane is 14-25:60-100:20-40:0.6-2:0.6-1.6:1-1.6, sodium hydroxide is molten
Liquid concentration is 0.65-1.12mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810811650.2A CN109233293A (en) | 2018-07-23 | 2018-07-23 | A kind of vehicle rotary shafting oil envelope uses rubber seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810811650.2A CN109233293A (en) | 2018-07-23 | 2018-07-23 | A kind of vehicle rotary shafting oil envelope uses rubber seal |
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| Publication Number | Publication Date |
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| CN109233293A true CN109233293A (en) | 2019-01-18 |
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| CN201810811650.2A Pending CN109233293A (en) | 2018-07-23 | 2018-07-23 | A kind of vehicle rotary shafting oil envelope uses rubber seal |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263903A (en) * | 2000-02-16 | 2000-08-23 | 太仓市宝马密封材料有限公司 | Sealing elastomer material reinforced by non-asbestos fibres and technology for compressing it into plates |
| CN105217638A (en) * | 2015-09-18 | 2016-01-06 | 梁龙华 | A kind of preparation method of the high stable nano silicon aqueous solution and the application of the gained high stable nano silicon aqueous solution |
| CN107722478A (en) * | 2017-10-30 | 2018-02-23 | 安徽蓝德仪表有限公司 | A kind of preparation method of stretch-proof instrument cable oversheath |
| KR20180082874A (en) * | 2017-01-11 | 2018-07-19 | (주)아모레퍼시픽 | Cosmetics composition comprising wax having low melting point |
-
2018
- 2018-07-23 CN CN201810811650.2A patent/CN109233293A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263903A (en) * | 2000-02-16 | 2000-08-23 | 太仓市宝马密封材料有限公司 | Sealing elastomer material reinforced by non-asbestos fibres and technology for compressing it into plates |
| CN105217638A (en) * | 2015-09-18 | 2016-01-06 | 梁龙华 | A kind of preparation method of the high stable nano silicon aqueous solution and the application of the gained high stable nano silicon aqueous solution |
| KR20180082874A (en) * | 2017-01-11 | 2018-07-19 | (주)아모레퍼시픽 | Cosmetics composition comprising wax having low melting point |
| CN107722478A (en) * | 2017-10-30 | 2018-02-23 | 安徽蓝德仪表有限公司 | A kind of preparation method of stretch-proof instrument cable oversheath |
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Application publication date: 20190118 |
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