CN106700562A - High-hardness wear-resistant rubber sealing piece and preparation method thereof - Google Patents
High-hardness wear-resistant rubber sealing piece and preparation method thereof Download PDFInfo
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention discloses a high-hardness wear-resistant rubber sealing piece. The high-hardness wear-resistant rubber sealing piece comprises the following raw materials in parts by weight: 60 to 120 parts of modified silicone rubber 15 to 35 parts of ethylene-propylene- diene-terpolymer rubber, 5 to 15 parts of hydrogenated butyronitrile rubber, 4 to 8 parts of chlorosulfonated polyethylene, 2 to 5 parts of polyvinyl fluoride resin, 2 to 8 parts of polyethylene, 1 to 6 parts of nano-silicon dioxide, 2 to 8 parts of silicon carbide, 1 to 4 parts of zinc oxide, 2 to 5 parts of magnesium oxide, 1 to 5 parts of nylon, 2 to 6 parts of glycol, 3 to 6 parts of graphite powder, 2 to 5 parts of a silane coupling agent KH-560, 1 to 5 parts of polycarbonate, 2 to 5 parts of n-butyl acetate, 3 to 8 parts of zinc stearate, 1 to 5 parts of chlorinated paraffin, 2 to 5 parts of polyethylene glycol, 2 to 7 parts of aids, 1 to 3 parts of a dispersing agent and 2 to 5 parts of a plasticizer. The invention also provides a preparation method of the high-hardness wear-resistant rubber sealing piece. The high-hardness wear-resistant rubber sealing piece provided by the invention has excellent toughness, hardness and wear resistance.
Description
Technical field
The present invention relates to rubber seal field, more particularly to a kind of high hardness wear-resisting rubber seal and its preparation side
Method.
Background technology
Rubber has good combination property, low with metal adhesion, mechanical property, fatigue behaviour, ageing-resistant, heat
Performance is all higher, and rubber seal is applied in all trades and professions, if seal is with low quality, gently then brings loss and fiber crops
Tired, heavy then can cause serious accident, especially under operating pressure environment high, the load that sealing ring is born is larger, is setting
Through being commonly encountered seal damaged condition during received shipment row, some seals can only use 1-2 month, or even shorter time,
It is accomplished by changing, to the trouble that the continuous production of enterprise brings, people also constantly improve the quality requirement of rubber seal.
The demand when hardness and anti-wear performance of rubber seal of the prior art cannot meet actually used, therefore urgently
A kind of high hardness wear-resisting rubber seal need to be designed to solve the problems of the prior art.
The content of the invention
To solve technical problem present in background technology, the present invention propose a kind of high hardness wear-resisting rubber seal and its
Preparation method, the rubber seal for preparing has excellent toughness, hardness and anti-wear performance.
A kind of high hardness wear-resisting rubber seal proposed by the present invention, its raw material includes by weight：Modified silicon rubber 60-
120 parts, ethylene propylene diene rubber 15-35 parts, hydrogenation 5-15 parts of nitrile rubber, CSM 4-8 parts, poly- fluorine ethylene tree
Fat 2-5 parts, polyethylene 2-8 parts, nano silicon 1-6 parts, carborundum 2-8 parts, zinc oxide 1-4 parts, magnesia 2-5 parts, Buddhist nun
It is imperial 1-5 parts, ethylene glycol 2-6 parts, graphite powder 3-6 parts, 2-5 parts of silane coupler KH-560, makrolon 1-5 parts, butyl acetate
2-5 parts, zinc stearate 3-8 parts, chlorinated paraffin 1-5 parts, polyethylene glycol 2-5 parts, auxiliary agent 2-7 parts, dispersant 1-3 parts, plasticizer
2-5 parts.
Preferably, modified silicon rubber is prepared by following technique：Silicon rubber and poly- MTES are mixed,
Dibutyl tin laurate is subsequently added into, 70-90 DEG C is warming up to, distilled water is then added dropwise, 6-7h is reacted at 90-100 DEG C, obtained
To faint yellow translucent dope；Faint yellow translucent dope is mixed with curing agent, stir injection mould, in 80-
1-3h is heated at 200 DEG C and obtains modified silicon rubber.
Preferably, in the preparation technology of modified silicon rubber, silicon rubber, poly- MTES, the fourth of tin dilaurate two
The weight ratio of Ji Xi and curing agent is 2-5：1-3：2-4：1.5-3.5.
Preferably, the raw material of auxiliary agent includes by weight：Active calcium silicate 10-50 parts, calcium stearate 3-6 parts, nanometer it is white
Carbon black 2-8 parts, calcined kaolin 1-6 parts, magnesium hydroxide 3-9 parts, wood fiber powder 1-6 parts, hollow glass micropearl 2-7 parts, Huang
Flaxen fiber 1-3 parts, methacrylate 4-9 parts, 2-5 parts, lubricant 3-8 parts of silane coupler KH570.
Preferably, auxiliary agent is prepared by following technique：Active calcium silicate and calcium stearate are well mixed, in 50-60
Stirring at low speed 10-25min is sealed at a temperature of DEG C, then with Nano carbon white, calcined kaolin, wood fiber powder, hollow glass
Microballon and tossa are well mixed, 45-55 DEG C of sealing stirring at low speed 5-10min, add magnesium hydroxide, methacrylic acid
Ester, silane coupler KH570 and lubricant, are warming up to 135-140 DEG C, and stirring at low speed 10-20min, discharging is cooled to room temperature and obtains
To auxiliary agent.
Preferably, its raw material includes by weight：Modified silicon rubber 65-115 parts, ethylene propylene diene rubber 18-32 parts, hydrogenation
Nitrile rubber 8-12 parts, CSM 5-7 parts, 3-4 parts of poly- fluorine ethylene resin, polyethylene 3-7 parts, nanometer titanium dioxide
Silicon 2-5 parts, carborundum 3-7 parts, zinc oxide 2-3 parts, magnesia 3-4 parts, nylon 2-4 parts, ethylene glycol 3-5 parts, graphite powder 4-5
Part, 3-4 parts of silane coupler KH-560, makrolon 2-4 parts, butyl acetate 3-4 parts, zinc stearate 4-7 parts, chlorinated paraffin
2-4 parts, polyethylene glycol 3-4 parts, auxiliary agent 3-6 parts, dispersant 1.5-2.5 parts, plasticizer 2.5-4.5 parts.
Preferably, its raw material includes by weight：90 parts of modified silicon rubber, 25 parts of ethylene propylene diene rubber, the hydrogenation fine rubber of fourth
10 parts of glue, 6 parts of CSM, 3.5 parts of poly- fluorine ethylene resin, 5 parts of polyethylene, 3.5 parts of nano silicon, carbonization
5 parts of silicon, 2.5 parts of zinc oxide, 3.5 parts of magnesia, 3 parts of nylon, 4 parts of ethylene glycol, 4.5 parts of graphite powder, silane coupler KH-560
3.5 parts, 2 parts of makrolon, 3.5 parts of butyl acetate, 5.5 parts of zinc stearate, 3 parts of chlorinated paraffin, 3.5 parts of polyethylene glycol, auxiliary agent
4.5 parts, 2 parts of dispersant, 3.5 parts of plasticizer.
A kind of preparation method of high hardness wear-resisting rubber seal of the invention, comprises the following steps：
S1, mill is warming up to 165-170 DEG C, then by modified silicon rubber, ethylene propylene diene rubber, the hydrogenation fine rubber of fourth
Glue, CSM, poly- fluorine ethylene resin and polyethylene blend, then add nano silicon, carborundum, oxidation
Zinc, magnesia, nylon, ethylene glycol, graphite powder, silane coupler KH-560, makrolon, butyl acetate, zinc stearate, chlorination
Paraffin, polyethylene glycol, auxiliary agent, dispersant and plasticizer, by bag roller, eat powder, turn refining, and are cooled to room temperature and obtain material a；
S2, material a is parked and carry out after 22-26h vulcanizing treatment, the temperature of vulcanizing treatment is 175-185 DEG C, vulcanizing treatment
Time be 4-6min, the pressure of vulcanizing treatment is 8-12Mpa, is cooled to room temperature and obtains high tenacity antiseptic rubber seal.
A kind of high hardness wear-resisting rubber seal of the invention, its raw material includes modified silicon rubber, ethylene propylene diene rubber, hydrogen
Change nitrile rubber, CSM, poly- fluorine ethylene resin, polyethylene, nano silicon, carborundum, zinc oxide, oxygen
Change magnesium, nylon, ethylene glycol, graphite powder, silane coupler KH-560, makrolon, butyl acetate, zinc stearate, chlorinated paraffin,
Polyethylene glycol, auxiliary agent, dispersant and plasticizer.Wherein with modified silicon rubber, ethylene propylene diene rubber, hydrogenation nitrile rubber, chlorine sulphur
Change polyethylene rubber and poly- fluorine ethylene resin and polyethylene as base-material, with nano silicon, carborundum, zinc oxide, oxidation
Magnesium, nylon and graphite powder as filler, with ethylene glycol, silane coupler KH-560, makrolon, butyl acetate, zinc stearate,
Chlorinated paraffin, polyethylene glycol, auxiliary agent, dispersant and plasticizer as auxiliary additive, in base-material, filler and auxiliary additive
Under mutual cooperation, the rubber seal for preparing has excellent combination property, and hardness is high, and wearability is good.Wherein in base-material
The modified silicon rubber of middle addition with silicon rubber, poly- MTES, dibutyl tin laurate and curing agent as raw material,
Using poly- MTES and dibutyl tin laurate, and it is modified in the presence of curing agent, is prepared
Modified silicon rubber with rubber seal base-material of the present invention, effectively increasing the hardness of rubber seal of the present invention and wear-resisting
Performance.The auxiliary agent added in auxiliary additive is with active calcium silicate, calcium stearate, Nano carbon white, calcined kaolin, hydroxide
Magnesium, wood fiber powder, hollow glass micropearl, tossa, methacrylate, silane coupler KH570 and lubricant are original
Expect, carrying out reconfiguration under silane coupler KH570 effects is modified, and preparing auxiliary agent has excellent hardness and anti-wear performance,
Apply in the preparation of rubber seal of the invention, effectively increase the hardness and anti-wear performance of rubber seal of the present invention.
Preparation method of the invention is simple.The high hardness wear-resisting rubber seal for preparing has excellent toughness, hardness and wear-resisting
Performance.
Specific embodiment
The present invention is described in detail with reference to specific embodiment, it should be appreciated that embodiment is served only for illustrating this hair
Bright, rather than for limiting the invention, any modification made on the basis of the present invention, equivalent etc. are in this hair
In bright protection domain.
In specific embodiment, the weight portion of modified silicon rubber can for 60 parts, 65 parts, 70 parts, 75 parts, 80 parts, 85 parts,
90 parts, 95 parts, 100 parts, 105 parts, 110 parts, 115 parts, 120 parts；The weight portion of ethylene propylene diene rubber can for 15 parts, 16 parts,
17 parts, 18 parts, 19 parts, 20 parts, 21 parts, 22 parts, 23 parts, 24 parts, 25 parts, 26 parts, 27 parts, 28 parts, 29 parts, 30 parts, 31 parts, 32
Part, 33 parts, 34 parts, 35 parts；Hydrogenate nitrile rubber weight portion can for 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12
Part, 13 parts, 14 parts, 15 parts；The weight portion of CSM can be 4 parts, 5 parts, 6 parts, 7 parts, 8 parts；Poly- fluorine ethylene
The weight portion of resin can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts；The weight portion of polyethylene can for 2 parts, 3
Part, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts；The weight portion of nano silicon can for 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5
Part, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts；The weight portion of carborundum can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts；Oxygen
The weight portion for changing zinc can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts；The weight portion of magnesia can for 2 parts,
2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts；The weight portion of nylon can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts；Ethylene glycol
Weight portion can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts；The weight portion of graphite powder can for 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts,
5.5 parts, 6 parts；The weight portion of silane coupler KH-560 can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts；It is poly-
The weight portion of carbonic ester can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts；The weight portion of butyl acetate can for 2 parts, 2.5 parts, 3 parts,
3.5 parts, 4 parts, 4.5 parts, 5 parts；The weight portion of zinc stearate can for 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts,
6.5 parts, 7 parts, 7.5 parts, 8 parts；The weight portion of chlorinated paraffin can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts；The weight of polyethylene glycol
Part can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts；The weight portion of auxiliary agent can for 2 parts, 2.5 parts, 3 parts, 3.5
Part, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts；The weight portion of dispersant can for 1 part, 1.5 parts, 2 parts, 2.5 parts,
3 parts；The weight portion of plasticizer can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts.
Embodiment 1
A kind of high hardness wear-resisting rubber seal proposed by the present invention, its raw material includes by weight：Modified silicon rubber 90
It is part, 25 parts of ethylene propylene diene rubber, 10 parts of nitrile rubber of hydrogenation, 6 parts of CSM, 3.5 parts of poly- fluorine ethylene resin, poly-
5 parts of ethene, 3.5 parts of nano silicon, 5 parts of carborundum, 2.5 parts of zinc oxide, 3.5 parts of magnesia, 3 parts of nylon, ethylene glycol 4
Part, 4.5 parts of graphite powder, 3.5 parts of silane coupler KH-560,2 parts of makrolon, 3.5 parts of butyl acetate, zinc stearate 5.5
Part, 3 parts of chlorinated paraffin, 3.5 parts of polyethylene glycol, 4.5 parts of auxiliary agent, 2 parts of dispersant, 3.5 parts of plasticizer.
Modified silicon rubber is prepared by following technique：By weight by 3.5 parts of silicon rubber and 2 parts of poly- methyl triethoxies
Silane mixture, is subsequently added into 3 parts of dibutyl tin laurates, is warming up to 80 DEG C, and distilled water is then added dropwise, and is reacted at 95 DEG C
6.5h, obtains faint yellow translucent dope；Faint yellow translucent dope is mixed with 2.5 parts of curing agent, stir note
Enter mould, 2h is heated at 140 DEG C and obtains modified silicon rubber.
Auxiliary agent is prepared by following technique：30 parts of active calcium silicates and 4.5 parts of calcium stearates are mixed equal by weight
It is even, stirring at low speed 17.5min is sealed at a temperature of 55 DEG C, then with 5 parts of Nano carbon whites, 3.5 parts of calcined kaolins, 3.5 parts
Wood fiber powder, 4.5 parts of hollow glass micropearls and 2 parts of tossas are well mixed, 50 DEG C of sealing stirring at low speed 7.5min, then add
Enter 6 parts of magnesium hydroxides, 6.5 parts of methacrylates, 3.5 parts of silane coupler KH570 and 5.5 parts of lubricants, be warming up to 137.5
DEG C, stirring at low speed 15min, discharging is cooled to room temperature and obtains auxiliary agent.
A kind of preparation method of high hardness wear-resisting rubber seal of the invention, comprises the following steps：
S1, mill is warming up to 167.5 DEG C, then by modified silicon rubber, ethylene propylene diene rubber, hydrogenation nitrile rubber,
CSM, poly- fluorine ethylene resin and polyethylene blend, then add nano silicon, carborundum, zinc oxide,
Magnesia, nylon, ethylene glycol, graphite powder, silane coupler KH-560, makrolon, butyl acetate, zinc stearate, chlorination stone
Wax, polyethylene glycol, auxiliary agent, dispersant and plasticizer, by bag roller, eat powder, turn refining, and are cooled to room temperature and obtain material a；
S2, material a is parked and carry out after 24h vulcanizing treatment, the temperature of vulcanizing treatment is 180 DEG C, the time of vulcanizing treatment
It is 5min, the pressure of vulcanizing treatment is 10Mpa, is cooled to room temperature and obtains high tenacity antiseptic rubber seal.
Embodiment 2
A kind of high hardness wear-resisting rubber seal proposed by the present invention, its raw material includes by weight：Modified silicon rubber 60
Part, 35 parts of ethylene propylene diene rubber, 5 parts of nitrile rubber of hydrogenation, 8 parts of CSM, 2 parts of poly- fluorine ethylene resin, poly- second
8 parts of alkene, 1 part of nano silicon, 8 parts of carborundum, 1 part of zinc oxide, 5 parts of magnesia, 1 part of nylon, 6 parts of ethylene glycol, graphite powder 3
Part, 5 parts of silane coupler KH-560,1 part of makrolon, 5 parts of butyl acetate, 3 parts of zinc stearate, 5 parts of chlorinated paraffin, poly- second
2 parts of glycol, 7 parts of auxiliary agent, 1 part of dispersant, 5 parts of plasticizer.
Modified silicon rubber is prepared by following technique：By weight by 2 parts of silicon rubber and 3 parts of poly- methyltriethoxy silanes
Alkane mixes, and is subsequently added into 2 parts of dibutyl tin laurates, is warming up to 90 DEG C, and distilled water is then added dropwise, and 7h is reacted at 90 DEG C,
Obtain faint yellow translucent dope；Faint yellow translucent dope is mixed with 1.5 parts of curing agent, stir injection mould
Tool, heating 1h obtains modified silicon rubber at 200 DEG C.
Auxiliary agent is prepared by following technique：10 parts of active calcium silicates and 6 parts of calcium stearates are well mixed by weight,
Stirring at low speed 25min is sealed at a temperature of 50 DEG C, then with 2 parts of Nano carbon whites, 6 parts of calcined kaolins, 1 part of wood fibre
Powder, 7 parts of hollow glass micropearls and 1 part of tossa are well mixed, 55 DEG C of sealing stirring at low speed 5min, add 9 parts of hydroxides
Magnesium, 4 parts of methacrylates, 5 parts of silane coupler KH570 and 3 parts of lubricants, are warming up to 140 DEG C, and stirring at low speed 10min goes out
Material, is cooled to room temperature and obtains auxiliary agent.
A kind of preparation method of high hardness wear-resisting rubber seal of the invention, comprises the following steps：
S1, mill is warming up to 165 DEG C, then by modified silicon rubber, ethylene propylene diene rubber, hydrogenation nitrile rubber, chlorine
Sulfonated polyethylene rubber, poly- fluorine ethylene resin and polyethylene blend, then add nano silicon, carborundum, zinc oxide, oxygen
Change magnesium, nylon, ethylene glycol, graphite powder, silane coupler KH-560, makrolon, butyl acetate, zinc stearate, chlorinated paraffin,
Polyethylene glycol, auxiliary agent, dispersant and plasticizer, by bag roller, eat powder, turn refining, and are cooled to room temperature and obtain material a；
S2, material a is parked and carry out after 26h vulcanizing treatment, the temperature of vulcanizing treatment is 175 DEG C, the time of vulcanizing treatment
It is 6min, the pressure of vulcanizing treatment is 8Mpa, is cooled to room temperature and obtains high tenacity antiseptic rubber seal.
Embodiment 3
A kind of high hardness wear-resisting rubber seal proposed by the present invention, its raw material includes by weight：Modified silicon rubber 120
Part, 15 parts of ethylene propylene diene rubber, 15 parts of nitrile rubber of hydrogenation, 4 parts of CSM, 5 parts of poly- fluorine ethylene resin, poly- second
2 parts of alkene, 6 parts of nano silicon, 2 parts of carborundum, 4 parts of zinc oxide, 2 parts of magnesia, 5 parts of nylon, 2 parts of ethylene glycol, graphite powder 6
Part, silane coupler KH-5602 parts, 5 parts of makrolon, 2 parts of butyl acetate, 8 parts of zinc stearate, 1 part of chlorinated paraffin, poly- second two
5 parts of alcohol, 2 parts of auxiliary agent, 3 parts of dispersant, 2 parts of plasticizer.
Modified silicon rubber is prepared by following technique：By weight by 5 parts of silicon rubber and 1 part of poly- methyltriethoxy silane
Alkane mixes, and is subsequently added into 4 parts of dibutyl tin laurates, is warming up to 70 DEG C, and distilled water is then added dropwise, and 6h is reacted at 100 DEG C,
Obtain faint yellow translucent dope；Faint yellow translucent dope is mixed with 3.5 parts of curing agent, stir injection mould
Tool, heating 3h obtains modified silicon rubber at 80 DEG C.
Auxiliary agent is prepared by following technique：50 parts of active calcium silicates and 3 parts of calcium stearates are well mixed by weight,
Stirring at low speed 10min is sealed at a temperature of 60 DEG C, then with 8 parts of Nano carbon whites, 1 part of calcined kaolin, 6 parts of wood fibres
Powder, 2 parts of hollow glass micropearls and 3 parts of tossas are well mixed, 45 DEG C of sealing stirring at low speed 10min, add 3 parts of hydroxides
Magnesium, 9 parts of methacrylates, 2 parts of silane coupler KH570 and 8 parts of lubricants, are warming up to 135 DEG C, and stirring at low speed 20min goes out
Material, is cooled to room temperature and obtains auxiliary agent.
A kind of preparation method of high hardness wear-resisting rubber seal of the invention, comprises the following steps：
S1, mill is warming up to 170 DEG C, then by modified silicon rubber, ethylene propylene diene rubber, hydrogenation nitrile rubber, chlorine
Sulfonated polyethylene rubber, poly- fluorine ethylene resin and polyethylene blend, then add nano silicon, carborundum, zinc oxide, oxygen
Change magnesium, nylon, ethylene glycol, graphite powder, silane coupler KH-560, makrolon, butyl acetate, zinc stearate, chlorinated paraffin,
Polyethylene glycol, auxiliary agent, dispersant and plasticizer, by bag roller, eat powder, turn refining, and are cooled to room temperature and obtain material a；
S2, material a is parked and carry out after 22h vulcanizing treatment, the temperature of vulcanizing treatment is 185 DEG C, the time of vulcanizing treatment
It is 4min, the pressure of vulcanizing treatment is 12Mpa, is cooled to room temperature and obtains high tenacity antiseptic rubber seal.
Embodiment 4
A kind of high hardness wear-resisting rubber seal proposed by the present invention, its raw material includes by weight：Modified silicon rubber 65
Part, 32 parts of ethylene propylene diene rubber, 8 parts of nitrile rubber of hydrogenation, 7 parts of CSM, 3 parts of poly- fluorine ethylene resin, poly- second
7 parts of alkene, 2 parts of nano silicon, 7 parts of carborundum, 2 parts of zinc oxide, 4 parts of magnesia, 2 parts of nylon, 5 parts of ethylene glycol, graphite powder 4
Part, 4 parts of silane coupler KH-560,2 parts of makrolon, 4 parts of butyl acetate, 4 parts of zinc stearate, 4 parts of chlorinated paraffin, poly- second
3 parts of glycol, 6 parts of auxiliary agent, 1.5 parts of dispersant, 4.5 parts of plasticizer.
Modified silicon rubber is prepared by following technique：By weight by 3.2 parts of silicon rubber and 2.2 parts of ethoxies of poly- methyl three
Base silane mixes, and is subsequently added into 2.8 parts of dibutyl tin laurates, is warming up to 84 DEG C, and distilled water is then added dropwise, anti-at 93 DEG C
6.6h is answered, faint yellow translucent dope is obtained；Faint yellow translucent dope is mixed with 1.8 parts of curing agent, is stirred
Injection mould, heating 1.5h obtains modified silicon rubber at 195 DEG C.
Auxiliary agent is prepared by following technique：15 parts of active calcium silicates and 5 parts of calcium stearates are well mixed by weight,
Stirring at low speed 20min is sealed at a temperature of 52 DEG C, then with 3 parts of Nano carbon whites, 5 parts of calcined kaolins, 2 parts of wood fibres
Powder, 6 parts of hollow glass micropearls and 1.5 parts of tossas are well mixed, 52 DEG C of sealing stirring at low speed 6min, add 8 parts of hydrogen-oxygens
Change magnesium, 5 parts of methacrylates, 4 parts of silane coupler KH570 and 4 parts of lubricants, be warming up to 139 DEG C, stirring at low speed 12min,
Discharging, is cooled to room temperature and obtains auxiliary agent.
A kind of preparation method of high hardness wear-resisting rubber seal of the invention, comprises the following steps：
S1, mill is warming up to 166 DEG C, then by modified silicon rubber, ethylene propylene diene rubber, hydrogenation nitrile rubber, chlorine
Sulfonated polyethylene rubber, poly- fluorine ethylene resin and polyethylene blend, then add nano silicon, carborundum, zinc oxide, oxygen
Change magnesium, nylon, ethylene glycol, graphite powder, silane coupler KH-560, makrolon, butyl acetate, zinc stearate, chlorinated paraffin,
Polyethylene glycol, auxiliary agent, dispersant and plasticizer, by bag roller, eat powder, turn refining, and are cooled to room temperature and obtain material a；
S2, material a is parked and carry out after 25h vulcanizing treatment, the temperature of vulcanizing treatment is 178 DEG C, the time of vulcanizing treatment
It is 5.5min, the pressure of vulcanizing treatment is 9Mpa, is cooled to room temperature and obtains high tenacity antiseptic rubber seal.
Embodiment 5
A kind of high hardness wear-resisting rubber seal proposed by the present invention, its raw material includes by weight：Modified silicon rubber 115
Part, 18 parts of ethylene propylene diene rubber, 12 parts of nitrile rubber of hydrogenation, 5 parts of CSM, 4 parts of poly- fluorine ethylene resin, poly- second
3 parts of alkene, 5 parts of nano silicon, 3 parts of carborundum, 3 parts of zinc oxide, 3 parts of magnesia, 4 parts of nylon, 3 parts of ethylene glycol, graphite powder 5
Part, silane coupler KH-5603 parts, 4 parts of makrolon, 3 parts of butyl acetate, 7 parts of zinc stearate, 2 parts of chlorinated paraffin, poly- second two
4 parts of alcohol, 3 parts of auxiliary agent, 2.5 parts of dispersant, 2.5 parts of plasticizer.
Modified silicon rubber is prepared by following technique：By weight by 3.8 parts of silicon rubber and 1.8 parts of ethoxies of poly- methyl three
Base silane mixes, and is subsequently added into 3.2 parts of dibutyl tin laurates, is warming up to 76 DEG C, and distilled water is then added dropwise, anti-at 97 DEG C
6.4h is answered, faint yellow translucent dope is obtained；Faint yellow translucent dope is mixed with 3.2 parts of curing agent, is stirred
Injection mould, heating 2.5h obtains modified silicon rubber at 85 DEG C.
Auxiliary agent is prepared by following technique：45 parts of active calcium silicates and 4 parts of calcium stearates are well mixed by weight,
Stirring at low speed 15min is sealed at a temperature of 58 DEG C, then with 7 parts of Nano carbon whites, 2 parts of calcined kaolins, 5 parts of wood fibres
Powder, 3 parts of hollow glass micropearls and 2.5 parts of tossas are well mixed, 48 DEG C of sealing stirring at low speed 9min, add 4 parts of hydrogen-oxygens
Change magnesium, 8 parts of methacrylates, 3 parts of silane coupler KH570 and 7 parts of lubricants, be warming up to 136 DEG C, stirring at low speed 18min,
Discharging, is cooled to room temperature and obtains auxiliary agent.
A kind of preparation method of high hardness wear-resisting rubber seal of the invention, comprises the following steps：
S1, mill is warming up to 169 DEG C, then by modified silicon rubber, ethylene propylene diene rubber, hydrogenation nitrile rubber, chlorine
Sulfonated polyethylene rubber, poly- fluorine ethylene resin and polyethylene blend, then add nano silicon, carborundum, zinc oxide, oxygen
Change magnesium, nylon, ethylene glycol, graphite powder, silane coupler KH-560, makrolon, butyl acetate, zinc stearate, chlorinated paraffin,
Polyethylene glycol, auxiliary agent, dispersant and plasticizer, by bag roller, eat powder, turn refining, and are cooled to room temperature and obtain material a；
S2, material a is parked and carry out after 23-25h vulcanizing treatment, the temperature of vulcanizing treatment is 178 DEG C, vulcanizing treatment when
Between be 5.5min, the pressure of vulcanizing treatment is 9Mpa, is cooled to room temperature and obtains high tenacity antiseptic rubber seal.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of high hardness wear-resisting rubber seal, it is characterised in that its raw material includes by weight：Modified silicon rubber 60-120
Part, ethylene propylene diene rubber 15-35 part, hydrogenate 5-15 parts of nitrile rubber, CSM 4-8 parts, poly- fluorine ethylene resin
2-5 parts, polyethylene 2-8 parts, nano silicon 1-6 parts, carborundum 2-8 parts, zinc oxide 1-4 parts, magnesia 2-5 parts, nylon
1-5 parts, ethylene glycol 2-6 parts, graphite powder 3-6 parts, 2-5 parts of silane coupler KH-560, makrolon 1-5 parts, butyl acetate 2-
5 parts, zinc stearate 3-8 parts, chlorinated paraffin 1-5 parts, polyethylene glycol 2-5 parts, auxiliary agent 2-7 parts, dispersant 1-3 parts, plasticizer 2-5
Part.
2. high hardness wear-resisting rubber seal according to claim 1, it is characterised in that modified silicon rubber presses following technique
It is prepared：Silicon rubber and poly- MTES are mixed, dibutyl tin laurate is subsequently added into, 70- is warming up to
90 DEG C, distilled water is then added dropwise, 6-7h is reacted at 90-100 DEG C, obtain faint yellow translucent dope；Will be faint yellow semi-transparent
Bright dope mixes with curing agent, and stir injection mould, 1-3h is heated at 80-200 DEG C and obtains modified silicon rubber.
3. high hardness wear-resisting rubber seal according to claim 1 and 2, it is characterised in that the preparation of modified silicon rubber
In technique, the weight ratio of silicon rubber, poly- MTES, dibutyl tin laurate and curing agent is 2-5：1-3：2-
4：1.5-3.5.
4. the high hardness wear-resisting rubber seal according to claim any one of 1-3, it is characterised in that the raw material of auxiliary agent is pressed
Weight portion includes：Active calcium silicate 10-50 parts, calcium stearate 3-6 parts, Nano carbon white 2-8 parts, calcined kaolin 1-6 parts, hydrogen
Magnesia 3-9 parts, wood fiber powder 1-6 parts, hollow glass micropearl 2-7 parts, tossa 1-3 parts, methacrylate 4-9
Part, 2-5 parts, lubricant 3-8 parts of silane coupler KH570.
5. the high hardness wear-resisting rubber seal according to claim any one of 1-4, it is characterised in that auxiliary agent presses following work
Skill is prepared：Active calcium silicate and calcium stearate are well mixed, stirring at low speed 10- is sealed at a temperature of 50-60 DEG C
25min, is then well mixed with Nano carbon white, calcined kaolin, wood fiber powder, hollow glass micropearl and tossa,
45-55 DEG C of sealing stirring at low speed 5-10min, adds magnesium hydroxide, methacrylate, silane coupler KH570 and lubrication
Agent, is warming up to 135-140 DEG C, and stirring at low speed 10-20min, discharging is cooled to room temperature and obtains auxiliary agent.
6. the high hardness wear-resisting rubber seal according to claim any one of 1-5, it is characterised in that its raw material is by weight
Part includes：Modified silicon rubber 65-115 parts, ethylene propylene diene rubber 18-32 parts, hydrogenation 8-12 parts of nitrile rubber, chlorosulfonated polyethylene
Rubber 5-7 parts, 3-4 parts of poly- fluorine ethylene resin, polyethylene 3-7 parts, nano silicon 2-5 parts, carborundum 3-7 parts, zinc oxide
2-3 parts, magnesia 3-4 parts, nylon 2-4 parts, ethylene glycol 3-5 parts, graphite powder 4-5 parts, it is 3-4 parts of silane coupler KH-560, poly-
Carbonic ester 2-4 parts, butyl acetate 3-4 parts, zinc stearate 4-7 parts, chlorinated paraffin 2-4 parts, polyethylene glycol 3-4 parts, auxiliary agent 3-6
Part, dispersant 1.5-2.5 parts, plasticizer 2.5-4.5 parts.
7. the high hardness wear-resisting rubber seal according to claim any one of 1-6, it is characterised in that its raw material is by weight
Part includes：90 parts of modified silicon rubber, 25 parts of ethylene propylene diene rubber, hydrogenation 10 parts of nitrile rubber, 6 parts of CSM,
3.5 parts of poly- fluorine ethylene resin, 5 parts of polyethylene, 3.5 parts of nano silicon, 5 parts of carborundum, 2.5 parts of zinc oxide, magnesia 3.5
Part, 3 parts of nylon, 4 parts of ethylene glycol, 4.5 parts of graphite powder, 3.5 parts of silane coupler KH-560,2 parts of makrolon, butyl acetate
3.5 parts, 5.5 parts of zinc stearate, 3 parts of chlorinated paraffin, 3.5 parts of polyethylene glycol, 4.5 parts of auxiliary agent, 2 parts of dispersant, plasticizer 3.5
Part.
8. a kind of preparation method of high hardness wear-resisting rubber seal according to claim any one of 1-7, its feature exists
In comprising the following steps：
S1, mill is warming up to 165-170 DEG C, then by modified silicon rubber, ethylene propylene diene rubber, hydrogenation nitrile rubber, chlorine
Sulfonated polyethylene rubber, poly- fluorine ethylene resin and polyethylene blend, then add nano silicon, carborundum, zinc oxide, oxygen
Change magnesium, nylon, ethylene glycol, graphite powder, silane coupler KH-560, makrolon, butyl acetate, zinc stearate, chlorinated paraffin,
Polyethylene glycol, auxiliary agent, dispersant and plasticizer, by bag roller, eat powder, turn refining, and are cooled to room temperature and obtain material a；
S2, material a is parked and carry out after 22-26h vulcanizing treatment, the temperature of vulcanizing treatment is 175-185 DEG C, vulcanizing treatment when
Between be 4-6min, the pressure of vulcanizing treatment is 8-12Mpa, is cooled to room temperature and obtains high tenacity antiseptic rubber seal.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408853A (en) * | 2013-07-01 | 2013-11-27 | 芜湖市银鸿液压件有限公司 | High-strength tear-resistant rubber sealing gasket and preparation method thereof |
| CN103436036A (en) * | 2013-07-16 | 2013-12-11 | 安徽省天马泵阀集团有限公司 | Fluorosilicone rubber/chloroprene rubber sealing gasket for high-temperature oil pump and preparation method thereof |
| CN105885140A (en) * | 2016-04-25 | 2016-08-24 | 铜陵百锐设备配件有限公司 | Calcium sulfate crystal whisker modified rubber sealing member and preparation method thereof |
-
2016
- 2016-12-16 CN CN201611167474.0A patent/CN106700562A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408853A (en) * | 2013-07-01 | 2013-11-27 | 芜湖市银鸿液压件有限公司 | High-strength tear-resistant rubber sealing gasket and preparation method thereof |
| CN103436036A (en) * | 2013-07-16 | 2013-12-11 | 安徽省天马泵阀集团有限公司 | Fluorosilicone rubber/chloroprene rubber sealing gasket for high-temperature oil pump and preparation method thereof |
| CN105885140A (en) * | 2016-04-25 | 2016-08-24 | 铜陵百锐设备配件有限公司 | Calcium sulfate crystal whisker modified rubber sealing member and preparation method thereof |
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Application publication date: 20170524 |