CN104312160A - Oil resistant silicone rubber material and preparation method thereof - Google Patents
Oil resistant silicone rubber material and preparation method thereof Download PDFInfo
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- CN104312160A CN104312160A CN201410481896.XA CN201410481896A CN104312160A CN 104312160 A CN104312160 A CN 104312160A CN 201410481896 A CN201410481896 A CN 201410481896A CN 104312160 A CN104312160 A CN 104312160A
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Abstract
The invention discloses an oil resistant silicone rubber material and a preparation method thereof. The material consists of the following raw materials by weight: 75-95 parts of methyl vinyl trifluoropropyl silicone rubber, 40-60 parts of polyethylene naphthalate, 4-8 parts of dihydroxy polydimethylsiloxane, 5-10 parts of nano titanium boride, 3-6 parts of methyl silicone oil, 2-3 parts of aluminum naphthenate, 4-6 parts of lead silicate white, 2-3 parts of triphenylmethane triisocyanate, 10-15 parts of precipitated barium sulfate, 3-6 parts of candelilla wax, 5-10 parts of hydroxyl terminated liquid nitrile rubber, 2-3 parts of dibenzoylquinone dioxime, 1.5-2.5 parts of N,N'-1,3-phenylene bismaleimide, 1-2 parts of polytrimethyldihydroquinoline, 0.5-1.5 parts of TNPP and 3-5 parts of an additive. The silicon rubber material provided by the invention has the advantages of good oil resistant performance, heat resistance, high mechanical strength, tear resistance and aging resistance, can work in the oil medium for a long time, is not easy to age, and has long service life, good processing performance, low cost and broad application prospects.
Description
Technical field
The present invention relates to a kind of resistance oil silicone rubber material and preparation method thereof, belong to silicon rubber technical field.
Background technology
Silicon rubber take polysilane as the macromolecular material of main chain, due to the nonpolar and weak molecular interaction of main chain silica segment, there is good thermostability, weathering resistance, ageing resistance and electric property, in very wide temperature, (-50 ~ 120 DEG C) its mechanical property quite stable, is widely used in the field such as space flight and aviation, electric industry.Along with the development of science and technology, higher requirement be it is also proposed to the oil resistance of silicon rubber, but the silicon rubber oil resistance on existing market cannot meet the demand of special dimension.Therefore, need to carry out modification to silicon rubber, to obtain the silicon rubber material of oil resistance excellence.
Summary of the invention
The object of the invention is to provide a kind of resistance oil silicone rubber material and preparation method thereof, and silicon rubber gross rubber provided by the invention has excellent oil resistance.
For achieving the above object, the present invention adopts following technical scheme:
A kind of resistance oil silicone rubber material, be made up of the raw material of following weight part: methyl ethylene trifluoro propyl silicon rubber 75-95, PEN 40-60, dialkyl polydimethylsiloxane 4-8, nanometer titanium boride 5-10, methyl-silicone oil 3-6, aluminum napthenate 2-3, lead silicate white 4-6, triphenylmethane triisocyanate 2-3, process white 10-15, gama wax 3-6, hydroxyl terminated butyl nitrile (HTBN) rubber 5-10, dibenzoyl paraquinonedioxime 2-3, N, penylene bismaleimides 1.5-2.5 between N'-, poly-trimethyldihydroquinoline 1-2, trisnonylphenyl phosphite 0.5-1.5, auxiliary agent 3-5,
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight part: pentalyn 3-7,4,5-epoxy cyclohexane-1,2-dioctyl phthalate 2-glycidyl ester 2-5, Zirconium tetrafluoride 5-10, tri o cresyl thiophosphate phenyl isocyanate 2-4,4,4 '-'-biphenyl diphenol 1-2, tri-isopropanolamine ring boric acid ester 3-5,2,2-dithienyl methyl glycolate 2-3, gelatine powder 4-8, wolfram varbide 6-12, decyl tetradecyl alcohol cetearyl alcohol acid esters 2.5-4.5,2-(4-morpholinodithio) benzothiazole 2-3; B, by Zirconium tetrafluoride, wolfram varbide, gelatine powder, pentalyn, decyl tetradecyl alcohol cetearyl alcohol acid esters, 4,5-epoxy cyclohexane-1,2-dioctyl phthalate 2-glycidyl ester adds in homogenizer, 3000-4000rpm high-speed stirring 3-6min, then remaining raw material is added, 1000-1500rpm high-speed stirring 4-8min.
The preparation method of resistance oil silicone rubber material of the present invention, comprise the following steps: by formulation ratio by methyl ethylene trifluoro propyl silicon rubber, PEN, dialkyl polydimethylsiloxane, process white, gama wax is together put in kneader, mixing 2-3h at 70-80 DEG C, add methyl-silicone oil, hydroxyl terminated butyl nitrile (HTBN) rubber, aluminum napthenate, nanometer titanium boride, lead silicate white, be warming up to 85-95 DEG C, mixing 1-1.5h, add remaining raw material again, be warming up to 180-200 DEG C, vacuumize, vacuum degree control is at 0.05-0.06MPa, mixing 15-25min, be cooled to less than 60 DEG C plastic emittings, then by sizing material thin-pass 3-6 time on opening rubber mixing machine, bottom sheet, parks more than 24h, finally be placed in by sizing material on vulcanizing press and carry out sulfuration, curing temperature is 165-185 DEG C, and sulfide stress is 14-22MPa, and curing time is 12-18min, can obtain silicon rubber material of the present invention.
Beneficial effect of the present invention:
Silicon rubber material oil resistance excellence of the present invention, good heat resistance, physical strength are high, anti tear, the advantage such as ageing-resistant, can in long term operation under oil medium, not easily aging, and long service life, and good processability are with low cost, have a extensive future.
Embodiment
A kind of resistance oil silicone rubber material, be made up of the raw material of following weight (kg): methyl ethylene trifluoro propyl silicon rubber 85, PEN 50, dialkyl polydimethylsiloxane 6, nanometer titanium boride 8, methyl-silicone oil 4, aluminum napthenate 2.5, lead silicate white 5, triphenylmethane triisocyanate 2, process white 10, gama wax 4.5, hydroxyl terminated butyl nitrile (HTBN) rubber 8, dibenzoyl paraquinonedioxime 2.5, penylene bismaleimides 2, poly-trimethyldihydroquinoline 1.5, trisnonylphenyl phosphite 1, auxiliary agent 4 between N, N'-;
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight (kg): pentalyn 5,4,5-epoxy cyclohexane-1,2-dioctyl phthalate 2-glycidyl ester 3, Zirconium tetrafluoride 8, tri o cresyl thiophosphate phenyl isocyanate 3,4,4 '-'-biphenyl diphenol 1.5, tri-isopropanolamine ring boric acid ester 4,2,2-dithienyl methyl glycolate 2.5, gelatine powder 6, wolfram varbide 8, decyl tetradecyl alcohol cetearyl alcohol acid esters 3.5,2-(4-morpholinodithio) benzothiazole 3; B, by Zirconium tetrafluoride, wolfram varbide, gelatine powder, pentalyn, decyl tetradecyl alcohol cetearyl alcohol acid esters, 4,5-epoxy cyclohexane-1,2-dioctyl phthalate 2-glycidyl ester adds in homogenizer, 4000rpm high-speed stirring 5min, then remaining raw material is added, 1000rpm high-speed stirring 8min.
The preparation method of resistance oil silicone rubber material, comprise the following steps: by formulation ratio by methyl ethylene trifluoro propyl silicon rubber, PEN, dialkyl polydimethylsiloxane, process white, gama wax is together put in kneader, mixing 2.5h at 75 DEG C, add methyl-silicone oil, hydroxyl terminated butyl nitrile (HTBN) rubber, aluminum napthenate, nanometer titanium boride, lead silicate white, be warming up to 90 DEG C, mixing 1h, add remaining raw material again, be warming up to 190 DEG C, vacuumize, vacuum degree control is at 0.06MPa, mixing 20min, be cooled to less than 60 DEG C plastic emittings, then by sizing material thin-pass 5 times on opening rubber mixing machine, bottom sheet, parks more than 24h, finally be placed in by sizing material on vulcanizing press and carry out sulfuration, curing temperature is 175 DEG C, and sulfide stress is 18MPa, and curing time is 16min, can obtain silicon rubber material of the present invention.
The performance test results of the resistance oil silicone rubber material that above-described embodiment obtains is as shown in the table:
The performance test results of table 1 resistance oil silicone rubber material
Claims (2)
1. a resistance oil silicone rubber material, it is characterized in that, be made up of the raw material of following weight part: methyl ethylene trifluoro propyl silicon rubber 75-95, PEN 40-60, dialkyl polydimethylsiloxane 4-8, nanometer titanium boride 5-10, methyl-silicone oil 3-6, aluminum napthenate 2-3, lead silicate white 4-6, triphenylmethane triisocyanate 2-3, process white 10-15, gama wax 3-6, hydroxyl terminated butyl nitrile (HTBN) rubber 5-10, dibenzoyl paraquinonedioxime 2-3, N, penylene bismaleimides 1.5-2.5 between N'-, poly-trimethyldihydroquinoline 1-2, trisnonylphenyl phosphite 0.5-1.5, auxiliary agent 3-5,
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight part: pentalyn 3-7,4,5-epoxy cyclohexane-1,2-dioctyl phthalate 2-glycidyl ester 2-5, Zirconium tetrafluoride 5-10, tri o cresyl thiophosphate phenyl isocyanate 2-4,4,4 '-'-biphenyl diphenol 1-2, tri-isopropanolamine ring boric acid ester 3-5,2,2-dithienyl methyl glycolate 2-3, gelatine powder 4-8, wolfram varbide 6-12, decyl tetradecyl alcohol cetearyl alcohol acid esters 2.5-4.5,2-(4-morpholinodithio) benzothiazole 2-3; B, by Zirconium tetrafluoride, wolfram varbide, gelatine powder, pentalyn, decyl tetradecyl alcohol cetearyl alcohol acid esters, 4,5-epoxy cyclohexane-1,2-dioctyl phthalate 2-glycidyl ester adds in homogenizer, 3000-4000rpm high-speed stirring 3-6min, then remaining raw material is added, 1000-1500rpm high-speed stirring 4-8min.
2. the preparation method of a resistance oil silicone rubber material as claimed in claim 1, it is characterized in that comprising the following steps: by formulation ratio by methyl ethylene trifluoro propyl silicon rubber, PEN, dialkyl polydimethylsiloxane, process white, gama wax is together put in kneader, mixing 2-3h at 70-80 DEG C, add methyl-silicone oil, hydroxyl terminated butyl nitrile (HTBN) rubber, aluminum napthenate, nanometer titanium boride, lead silicate white, be warming up to 85-95 DEG C, mixing 1-1.5h, add remaining raw material again, be warming up to 180-200 DEG C, vacuumize, vacuum degree control is at 0.05-0.06MPa, mixing 15-25min, be cooled to less than 60 DEG C plastic emittings, then by sizing material thin-pass 3-6 time on opening rubber mixing machine, bottom sheet, parks more than 24h, finally be placed in by sizing material on vulcanizing press and carry out sulfuration, curing temperature is 165-185 DEG C, and sulfide stress is 14-22MPa, and curing time is 12-18min, can obtain silicon rubber material of the present invention.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761904A (en) * | 2015-03-16 | 2015-07-08 | 芜湖荣基密封系统有限公司 | Nano-titanium diboride-doped anti-corrosion silicone rubber cement used for preparing ultrathin rubber sealing layer and preparation method thereof |
| CN104893303A (en) * | 2015-04-29 | 2015-09-09 | 安徽嘉木橡塑工业有限公司 | High temperature resistant oil resistant silicone rubber |
| CN105315674A (en) * | 2015-11-24 | 2016-02-10 | 苏州盖德精细材料有限公司 | High-strength wear-resisting electronic silica gel and preparation method thereof |
| CN106590522A (en) * | 2016-12-30 | 2017-04-26 | 江苏晶河电子科技有限公司 | High temperature and corrosion resistant HTV conductive glue and preparation method thereof |
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| US4052357A (en) * | 1976-05-19 | 1977-10-04 | Dow Corning Corporation | High modulus silicone rubber |
| CN102993752A (en) * | 2012-11-13 | 2013-03-27 | 安徽文峰电子科技集团有限公司 | High-strength fire-retardant cable insulating material and preparation method thereof |
| CN103725014A (en) * | 2013-12-16 | 2014-04-16 | 芜湖万润机械有限责任公司 | Silicone rubber for railway vehicle |
| CN103937258A (en) * | 2014-04-02 | 2014-07-23 | 山东大学 | Conductive silicone rubber with high elastic resilience and preparation method thereof |
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2014
- 2014-09-19 CN CN201410481896.XA patent/CN104312160A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4052357A (en) * | 1976-05-19 | 1977-10-04 | Dow Corning Corporation | High modulus silicone rubber |
| CN102993752A (en) * | 2012-11-13 | 2013-03-27 | 安徽文峰电子科技集团有限公司 | High-strength fire-retardant cable insulating material and preparation method thereof |
| CN103725014A (en) * | 2013-12-16 | 2014-04-16 | 芜湖万润机械有限责任公司 | Silicone rubber for railway vehicle |
| CN103937258A (en) * | 2014-04-02 | 2014-07-23 | 山东大学 | Conductive silicone rubber with high elastic resilience and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761904A (en) * | 2015-03-16 | 2015-07-08 | 芜湖荣基密封系统有限公司 | Nano-titanium diboride-doped anti-corrosion silicone rubber cement used for preparing ultrathin rubber sealing layer and preparation method thereof |
| CN104893303A (en) * | 2015-04-29 | 2015-09-09 | 安徽嘉木橡塑工业有限公司 | High temperature resistant oil resistant silicone rubber |
| CN105315674A (en) * | 2015-11-24 | 2016-02-10 | 苏州盖德精细材料有限公司 | High-strength wear-resisting electronic silica gel and preparation method thereof |
| CN106590522A (en) * | 2016-12-30 | 2017-04-26 | 江苏晶河电子科技有限公司 | High temperature and corrosion resistant HTV conductive glue and preparation method thereof |
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