CN102585514B - Resistance oil silicone rubber - Google Patents
Resistance oil silicone rubber Download PDFInfo
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- CN102585514B CN102585514B CN201210048430.1A CN201210048430A CN102585514B CN 102585514 B CN102585514 B CN 102585514B CN 201210048430 A CN201210048430 A CN 201210048430A CN 102585514 B CN102585514 B CN 102585514B
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Abstract
The invention provides a kind of Oil-resistant silicon rubber composition, described composition comprises following parts by weight: (a) methyl vinyl silicon kautschuk, comprise contents of ethylene 0.07%-0.09% methyl vinyl silicon kautschuk 71 ± 2 parts, the methyl vinyl silicon kautschuk of contents of ethylene 0.15-0.17% 29 ± 2 parts, and the number-average molecular weight of the two is between 58-62 ten thousand, (b) hydroxy silicon oil 2.2 ± 0.5 parts, (c) containing hydrogen silicone oil 1.4 ± 0.2 parts, and (d) resistance to oil ingredient, described resistance to oil ingredient comprises: white carbon black 42 ± 10 parts, described white carbon black is precipitated silica, dimethyl silicone oil 1.1 ± 0.2 parts, the polymerization degree of described dimethyl silicone oil is between 150-300, 3000 ± 500 9 ± 2 parts, object potter's clay, tetrafluoroethylene 5 ± 0.5 parts, the weight of component (a) ~ (d) accounts for the 90-100% of described composition total weight, calculates with composition total weight.The present invention also provides resistance oil silicone rubber and preparation method and purposes.
Description
Technical field
The present invention relates to a kind of silicon rubber, relate to a kind of resistance oil silicone rubber particularly.Described resistance oil silicone rubber can be used for making O type circle, spark coil, rubber roll, pad etc.
Background technology
At present, resistance to factice has demand widely.The kind of the resistance to factice on market is also a lot, and main kind is butyronitrile, hydrogenated butyronitrile, trifluoropropyl siloxane.Wherein, butadiene-acrylonitrile rubber, hydrogenated butyronitrile etc. have good oil-resistant effect, but can not be high temperature resistant; The cost of hydrogenated butyronitrile and fluorine silica gel is very high simultaneously.
And current silicon rubber is by Methyl-ethylenvinyl gum, white carbon black, hydroxy silicon oil, containing hydrogen silicone oil and Zinic stearas are mediated by kneader high temperature, but silica obtained oil resistant characteristic is poor.
In sum, this area lacks a kind of resistance oil silicone rubber, and this sizing material solves the feature of the non-refractory of above sizing material, also solves the high cost problem of some sizing materials, also has good complete processing, and have good oil-resistant effect.
Therefore, this area meets the resistance oil silicone rubber of above-mentioned requirements in the urgent need to exploitation.
Summary of the invention
The first object of the present invention is to obtain a kind of Oil-resistant silicon rubber composition, and this sizing material solves the feature of the non-refractory of above sizing material, also solves the high cost problem of some sizing materials, also has good complete processing, and have good oil-resistant effect.
The second object of the present invention is to obtain a kind of resistance oil silicone rubber, and this sizing material solves the feature of the non-refractory of above sizing material, also solves the high cost problem of some sizing materials, also has good complete processing, and have good oil-resistant effect.
The third object of the present invention is the preparation method obtaining a kind of resistance oil silicone rubber, and this sizing material solves the feature of the non-refractory of above sizing material, also solves the high cost problem of some sizing materials, also has good complete processing, and have good oil-resistant effect.
The fourth object of the present invention is the goods obtaining a kind of resistance oil silicone rubber, and this sizing material solves the feature of the non-refractory of above sizing material, also solves the high cost problem of some sizing materials, also has good complete processing, and have good oil-resistant effect.
The fifth object of the present invention is the purposes obtaining a kind of resistance oil silicone rubber, and this sizing material solves the feature of the non-refractory of above sizing material, also solves the high cost problem of some sizing materials, also has good complete processing, and have good oil-resistant effect.
In a first aspect of the present invention, provide a kind of Oil-resistant silicon rubber composition, described composition comprises following parts by weight:
(a) methyl vinyl silicon kautschuk, comprise contents of ethylene 0.07%-0.09% methyl vinyl silicon kautschuk 71 ± 2 parts, the methyl vinyl silicon kautschuk 29 ± 2 parts of contents of ethylene 0.15-0.17% and the two number-average molecular weight between 58-62 ten thousand
(b) hydroxy silicon oil 2.2 ± 0.5 parts,
(c) containing hydrogen silicone oil 1.4 ± 0.2 parts, and
(d) resistance to oil ingredient, described resistance to oil ingredient comprises:
White carbon black 42 ± 10 parts, described white carbon black is precipitated silica;
Dimethyl silicone oil 1.1 ± 0.2 parts, the polymerization degree of described dimethyl silicone oil is between 150-300;
3000 ± 500 9 ± 2 parts, object potter's clay,
Tetrafluoroethylene 5 ± 0.5 parts,
The weight of component (a) ~ (d) accounts for the 90-100% of described composition total weight, calculates with composition total weight.
Resistance to oil component of the present invention is mainly at potter's clay, tetrafluoroethylene, precipitated silica, methyl-silicone oil.Compared with existing resistance to factice, it has used lower-cost potter's clay as filler, and cost has had very large improvement, and achieves good oil-resistant effect.
In a specific embodiment of the present invention, described hydroxy silicon oil is selected from low polymerization degree α, alpha, omega-dihydroxy polymethyl siloxane.
In an embodiment, described low polymerization degree α, the polymerization degree of alpha, omega-dihydroxy polymethyl siloxane is between 150-300.
In a specific embodiment of the present invention, described composition is also containing additive, and described additive comprises:
Inner pattern releasing agent applicable 0.2 ± 0.05 part,
Silane coupling agent 2 ± 0.5 parts,
Inner pattern releasing agent applicable 0.22 ± 0.02 part.
In a specific embodiment of the present invention, described inner pattern releasing agent applicable is such as Zinic stearas.
In an embodiment, with methyl vinyl silicon kautschuk, its contents of ethylene 0.07%-0.09%71 part, 0.15-0.17%29 part, molecular weight is at 58-62 ten thousand, low polymerization degree α, alpha, omega-dihydroxy polymethyl siloxane (hydroxy silicon oil) 2.2 parts, containing hydrogen silicone oil 1.4 parts, the polymerization degree is the dimethyl silicone oil 1.1 parts of 150-300, inner pattern releasing agent applicable 0.2 part, precipitated silica 42 parts, 3000 9 parts, order potter's clay, silane coupling agent 2 parts, tetrafluoroethylene 5 parts, inner pattern releasing agent applicable 1.2 parts, its resistance to oil component is mainly at potter's clay, tetrafluoroethylene, precipitated silica, methyl-silicone oil.Compared with existing resistance to factice, it has used lower-cost potter's clay as filler, and cost has had very large improvement, and achieves good oil-resistant effect.
The resistance oil silicone rubber that a second aspect of the present invention provides a kind of composition of the present invention obtained.
In a specific embodiment of the present invention, according to its oil resistance of GB/Tl690-2006 standard test, its volume change is not higher than 36%.
A third aspect of the present invention provides a kind of preparation method of resistance oil silicone rubber of the present invention, and it comprises the steps:
Component of the present invention is provided;
Described component is mediated at 110-175 DEG C, vacuumizes aftershaping and obtains resistance oil silicone rubber.
Preferably, described component is mediated at 110-120 DEG C.
In a specific embodiment of the present invention, described component repeatedly feeding mode is fed in raw material.
In an embodiment, by rubber 0.08%, 0.16% puts into kneader, white carbon black is added general 3-4 time in batches, white carbon black is next time added after every subclustering, start to add hydroxy silicon oil when second time adds white carbon black, last agglomerating time add containing hydrogen silicone oil, dimethyl silicone oil, finally mediate built-in temperature at about 110-120 DEG C, sizing material becomes agglomerate, start to vacuumize, vacuum tightness is-0.075 ± 0.002, pumpdown time was at 60 minutes, outlet temperature controls at 175 ± 5 DEG C, after exhausting vacuum, again feed in raw material, add potter's clay and tetrafluoroethylene and A-172, potter's clay and tetrafluoroethylene divide three times and add, second time adds silane coupling agent time reinforced, add rear temperature secondary vacuum pumping when 130-140 DEG C, 30 minutes pumpdown times, vacuum tightness-0.075 ± 0.002, outlet temperature controls at 160-170 DEG C, finally pour out sizing material through filter filtering shaping.
The oil-resistant article that a fourth aspect of the present invention provides a kind of resistance oil silicone rubber of the present invention obtained.
In a specific embodiment of the present invention, described goods are O type circle, spark coil, rubber roll or pad.
A fifth aspect of the present invention provides a kind of resistance oil silicone rubber of the present invention in the application of O type circle, spark coil, rubber roll or pad.
Embodiment
The present inventor, through extensive and deep research, by changing a social system existing silicone gasket, makes it obtain good oil resistant characteristic, and find that this resistance oil silicone rubber also has good elasticity, the feature that compression set is little, has high temperature resistant, and the advantage that cost is low.Complete the present invention on this basis.
Below describe in detail to various aspects of the present invention:
As no specific instructions, various raw material of the present invention all can be obtained by commercially available; Or prepare according to the ordinary method of this area.Unless otherwise defined or described herein, all specialties used herein and scientific words and those skilled in the art the same meaning be familiar with.In addition any method similar or impartial to described content and material all can be applicable in the inventive method.
Other side of the present invention, due to disclosure herein, is apparent to those skilled in the art.
Oil-resistant silicon rubber composition
In a first aspect of the present invention, provide a kind of Oil-resistant silicon rubber composition, described composition comprises following parts by weight:
(a) methyl vinyl silicon kautschuk, comprise contents of ethylene 0.07%-0.09% methyl vinyl silicon kautschuk 71 ± 2 parts, the methyl vinyl silicon kautschuk 29 ± 2 parts of contents of ethylene 0.15-0.17% and the two number-average molecular weight between 58-62 ten thousand
(b) hydroxy silicon oil 2.2 ± 0.5 parts,
(c) containing hydrogen silicone oil 1.4 ± 0.2 parts, and
(d) resistance to oil ingredient, described resistance to oil ingredient comprises:
White carbon black 42 ± 10 parts, described white carbon black is precipitated silica;
Dimethyl silicone oil 1.1 ± 0.2 parts, the polymerization degree of described dimethyl silicone oil is between 150-300;
3000 ± 500 9 ± 2 parts, object potter's clay,
Tetrafluoroethylene 5 ± 0.5 parts,
The weight of component (a) ~ (d) accounts for the 90-100% of described composition total weight, calculates with composition total weight.
Contriver finds, resistance to oil component of the present invention adopts the cooperation of potter's clay, tetrafluoroethylene, precipitated silica, methyl-silicone oil, particularly have employed lower-cost potter's clay as filler, cost has had very large improvement, simultaneously and achieve good oil-resistant effect.
(a) methyl vinyl silicon kautschuk
Silicon rubber (English name: Siliconerubber) point heat vulcanization type (high temperature vulcanized silica gel HTV), room temperature vulcanized (RTV), wherein room temperature vulcanized divides again polycondensation reaction type and addition reaction-type.High temperature silicone rubber is mainly for the manufacture of various silastic product, and room temperature silicon rubber then mainly uses as caking agent, Embedding Material or mould.Heat vulcanization type consumption is maximum, heat vulcanization type divides again methyl silicone rubber (MQ), methyl vinyl silicon kautschuk (VMQ, consumption and product grade maximum), methyl vinyl phenyl silicon rubber PVMQ (low temperature resistant, radiation hardness), other also have nitrile silicone rubber, trifluoropropyl siloxane etc.
In order to reach oil-proofness of the present invention, present invention employs the combination of methyl vinyl silicon kautschuk, it comprises contents of ethylene 0.07%-0.09% methyl vinyl silicon kautschuk 71 ± 2 parts, the methyl vinyl silicon kautschuk 29 ± 2 parts of contents of ethylene 0.15-0.17% and the two number-average molecular weight between 58-62 ten thousand.
Described contents of ethylene is weight content.
(b) hydroxy silicon oil
Described hydroxy silicon oil can be form that is cationic or non-ionic type, and available following general formula represents:
In formula, R is alkyl, is preferably methyl or ethyl; R ' is alkyl or hydroxyl, is preferably methyl, ethyl or hydroxyl.Polymerization degree n is between 150-300.
In a specific embodiment of the present invention, described hydroxy silicon oil is selected from low polymerization degree α, alpha, omega-dihydroxy polymethyl siloxane.
In an embodiment, described low polymerization degree α, the polymerization degree of alpha, omega-dihydroxy polymethyl siloxane is between 150-300.
(c) containing hydrogen silicone oil
The present invention is containing (c) containing hydrogen silicone oil 1.4 ± 0.2 parts.
Containing hydrogen silicone oil of the present invention has the conventional sense of this area, and it is not specifically limited, and only otherwise to goal of the invention of the present invention produces and limits.
(d) resistance to oil ingredient
White carbon black of the present invention is precipitated silica.And adopt the oil-resistant effect of the white carbon black of other kinds not as described precipitated silica.
Dimethyl silicone oil of the present invention 1.1 ± 0.2 parts, the polymerization degree of described dimethyl silicone oil is between 150-300.
The present invention adopts 9 ± 2 parts, 3000 ± 500 object potter's clay.The present invention adopts potter's clay as resistance to oil ingredient, and than adopting the oil-resistant effect of diatomite (or other components similar) more to improve, and cost significantly reduces.
The present invention also adopts tetrafluoroethylene 5 ± 0.5 parts.
other components
The weight of described component (a) ~ (d) accounts for 90 ~ 100% of described composition total weight, calculates with composition total weight.
Described composition also can contain the additive of this area routine, and this it is known to those skilled in the art that.
In a specific embodiment of the present invention, described composition is also containing additive, and described additive comprises:
Inner pattern releasing agent applicable 0.2 ± 0.05 part,
Silane coupling agent 2 ± 0.5 parts,
Inner pattern releasing agent applicable 0.22 ± 0.02 part.
In a specific embodiment of the present invention, described inner pattern releasing agent applicable is such as stearic acid, most preferably Zinic stearas.
optimum embodiment
In an embodiment, with methyl vinyl silicon kautschuk, its contents of ethylene 0.07%-0.09%71 part, 0.15-0.17%29 part, molecular weight is at 58-62 ten thousand, low polymerization degree α, alpha, omega-dihydroxy polymethyl siloxane (hydroxy silicon oil) 2.2 parts, containing hydrogen silicone oil 1.4 parts, the polymerization degree is the dimethyl silicone oil 1.1 parts of 150-300, inner pattern releasing agent applicable 0.2 part, precipitated silica 42 parts, 3000 9 parts, order potter's clay, silane coupling agent 2 parts, tetrafluoroethylene 5 parts, inner pattern releasing agent applicable 1.2 parts, its resistance to oil component is mainly at potter's clay, tetrafluoroethylene, precipitated silica, methyl-silicone oil.
The resistance oil silicone rubber that a second aspect of the present invention provides a kind of composition of the present invention obtained.
In a specific embodiment of the present invention, according to its oil resistance of GB/Tl690-2006 standard test, its volume change is not higher than 36%.
A third aspect of the present invention provides a kind of preparation method of resistance oil silicone rubber of the present invention, and it comprises the steps:
Component of the present invention is provided;
Described component is mediated at 110-175 DEG C, vacuumizes aftershaping and obtains resistance oil silicone rubber.
Preferably, described component is mediated at 110-120 DEG C.
In a specific embodiment of the present invention, described component repeatedly feeding mode is fed in raw material.
In an embodiment, by rubber 0.08%, 0.16% puts into kneader, white carbon black is added general 3-4 time in batches, white carbon black is next time added after every subclustering, start to add hydroxy silicon oil when second time adds white carbon black, last agglomerating time add containing hydrogen silicone oil, dimethyl silicone oil, finally mediate built-in temperature at about 110-120 DEG C, sizing material becomes agglomerate, start to vacuumize, vacuum tightness is-0.075 ± 0.002, pumpdown time was at 60 minutes, outlet temperature controls at 175 ± 5 DEG C, after exhausting vacuum, again feed in raw material, add potter's clay and tetrafluoroethylene and A-172, potter's clay and tetrafluoroethylene divide three times and add, second time adds silane coupling agent time reinforced, add rear temperature secondary vacuum pumping when 130-140 DEG C, 30 minutes pumpdown times, vacuum tightness-0.075 ± 0.002, outlet temperature controls at 160-170 DEG C, finally pour out sizing material through filter filtering shaping.
The oil-resistant article that a fourth aspect of the present invention provides a kind of resistance oil silicone rubber of the present invention obtained.
In a specific embodiment of the present invention, described goods are O type circle, spark coil, rubber roll or pad.
A fifth aspect of the present invention provides a kind of resistance oil silicone rubber of the present invention in the application of O type circle, spark coil, rubber roll or pad.
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.The experimental technique of unreceipted actual conditions in the following example, measures according to national standard usually.If there is no corresponding national standard, then according to general international standard, normal condition or carry out according to the condition that manufacturer advises.Unless otherwise indicated, otherwise all numbers are weight part, and all per-cent is weight percentage, and described polymericular weight is number-average molecular weight.
Unless otherwise defined or described herein, all specialties used herein and scientific words and those skilled in the art the same meaning be familiar with.In addition any method similar or impartial to described content and material all can be applicable in the inventive method.
Embodiment 1
Summary of the invention: as follows by being improved formula to the proportioning of silica gel and raw material:
With Methyl-ethylenvinyl gum 0.08%71 part, 0.16%29 part, molecular weight is at 58-62 ten thousand, hydroxy silicon oil 2.2 parts, containing hydrogen silicone oil 1.4 parts, methyl-silicone oil 1.1 parts, Zinic stearas 0.42 part, Degussa 928 white carbon black 42 parts, 3,000 29 parts, order potter's clay, tetrafluoroethylene 9 parts, silane coupling A-1721.2 parts.
The technique of its glue is as follows:
By rubber 0.08%, 0.16% puts into kneader, white carbon black is added general 3-4 time in batches, white carbon black is next time added after every subclustering, start to add hydroxy silicon oil when second time adds white carbon black, last agglomerating time add containing hydrogen silicone oil, methyl-silicone oil, finally mediate built-in temperature at about 110-120 DEG C, sizing material becomes agglomerate, start to vacuumize, vacuum tightness is-0.075 ± 0.002, pumpdown time was at 60 minutes, outlet temperature controls at 175 ± 5 DEG C, after exhausting vacuum, again feed in raw material, add potter's clay and tetrafluoroethylene and A-172, potter's clay and tetrafluoroethylene divide three times and add, second time adds A-172 time reinforced, add rear temperature secondary vacuum pumping when 130-140 DEG C, 30 minutes pumpdown times, vacuum tightness-0.075 ± 0.002, outlet temperature controls at 160-170 DEG C, finally pour out sizing material through filter filtering shaping.
The physicals of this glue is as follows:
Invention effect is summarized: invention achieves good oil-resistant effect, client also has fine utilization, compares with present silicon rubber, and it has good oil-resistant effect and resistance to temp effect, and has good rebound resilience and complete processing.，
Embodiment 2
Summary of the invention: as follows by being improved formula to the proportioning of silica gel and raw material:
With Methyl-ethylenvinyl gum 0.07%71 part, 0.15%29 part, molecular weight at 58-62 ten thousand, hydroxy silicon oil 2.2 parts, containing hydrogen silicone oil 1.4 parts, methyl-silicone oil 1.1 parts, precipitated silica 42 parts, 3,000 29 parts, order potter's clay, tetrafluoroethylene 9 parts, silane coupling A-1721.2 parts.
The technique of its glue is as follows:
By rubber 0.08%, 0.16% puts into kneader, white carbon black is added general 3-4 time in batches, white carbon black is next time added after every subclustering, start to add hydroxy silicon oil when second time adds white carbon black, last agglomerating time add containing hydrogen silicone oil, methyl-silicone oil, finally mediate built-in temperature at about 110-120 DEG C, sizing material becomes agglomerate, start to vacuumize, vacuum tightness is-0.075 ± 0.002, pumpdown time was at 60 minutes, outlet temperature controls at 175 ± 5 DEG C, after exhausting vacuum, again feed in raw material, add potter's clay and tetrafluoroethylene and A-172, potter's clay and tetrafluoroethylene divide three times and add, second time adds A-172 time reinforced, add rear temperature secondary vacuum pumping when 130-140 DEG C, 30 minutes pumpdown times, vacuum tightness-0.075 ± 0.002, outlet temperature controls at 160-170 DEG C, finally pour out sizing material through filter filtering shaping.
Survey this physicals as follows:
Conclusion:
Rubber contents of ethylene is adjusted to upper and lower 0.01%, removes releasing agent, the oil-proofness surveying glue does not change substantially, but conventional physical property hardness step-down.
Embodiment 3
Summary of the invention: as follows by being improved formula to the proportioning of silica gel and raw material:
With Methyl-ethylenvinyl gum 0.08%71 part, 0.16%29 part, molecular weight at 58-62 ten thousand, hydroxy silicon oil 2.5 parts, containing hydrogen silicone oil 1.4 parts, methyl-silicone oil 1.1 parts, Zinic stearas 0.42 part, precipitated silica 50 parts, 3000 29 parts, order potter's clay, tetrafluoroethylene 9 parts, A-1721.2 part.
The technique of its glue is as follows:
By rubber 0.08%, 0.16% puts into kneader, white carbon black is added general 3-4 time in batches, white carbon black is next time added after every subclustering, start to add hydroxy silicon oil when second time adds white carbon black, last agglomerating time add containing hydrogen silicone oil, Zinic stearas 0.42 part, methyl-silicone oil, finally mediate built-in temperature at about 110-120 DEG C, sizing material becomes agglomerate, start to vacuumize, vacuum tightness is-0.075 ± 0.002, pumpdown time was at 60 minutes, outlet temperature controls at 175 ± 5 DEG C, after exhausting vacuum, again feed in raw material, add potter's clay and tetrafluoroethylene and A-172, potter's clay and tetrafluoroethylene divide three times and add, second time adds A-172 time reinforced, add rear temperature secondary vacuum pumping when 130-140 DEG C, 30 minutes pumpdown times, vacuum tightness-0.075 ± 0.002, outlet temperature controls at 160-170 DEG C, finally pour out sizing material through filter filtering shaping.
Survey this physicals as follows:
Conclusion:
Increased by white carbon black content, the oil-proofness surveying glue does not change substantially, and conventional physical property hardness uprises, and can meet the requirement of client to hardness.
comparative example 1 ~ 3
comparative example 1
(by main for rubber part) 0.07%-0.09%60 part, 0.15-0.17%40 part, molecular weight are at 58-62 ten thousand, low polymerization degree α, alpha, omega-dihydroxy polymethyl siloxane (hydroxy silicon oil) 2.2 parts, containing hydrogen silicone oil 1.4 parts, the polymerization degree is the dimethyl silicone oil 1.1 parts of 150-300, inner pattern releasing agent applicable 0.42 part, precipitated silica 42 parts, 3,000 29 parts, order potter's clay, silane coupling agent 1.2 parts, tetrafluoroethylene 9 parts, records physicals as follows:
comparative example 2
Adjust diatomaceous ratio
Other constant (relative to comparative example 1), potter's clay is replaced to record Main physical performance in diatomite or other silicate as follows: volume change %4.6 after its standard oil of resistance to NO.1 150 DEG C of * 72h, after the standard oil of resistance to NO.3 150 DEG C of * 72h, volume change %48.
comparative example 3
The ratio of adjustment dimethyl silicone oil
Other component all constant (relative to comparative example 1), removes dimethyl silicone oil, records Main physical performance as follows: volume change %4.6 after its standard oil of resistance to NO.1 150 DEG C of * 72h, after the standard oil of resistance to NO.3 150 DEG C of * 72h, and volume change %39.
The foregoing is only preferred embodiment of the present invention, and be not used to limit substantial technological context of the present invention, substantial technological content of the present invention is broadly defined in the right of application, any technology entities that other people complete or method, if with application right define identical, also or a kind of change of equivalence, be all covered by being regarded as among this right.
The all documents mentioned in the present invention are quoted as a reference all in this application, are just quoted separately as a reference as each section of document.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read foregoing of the present invention, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. an Oil-resistant silicon rubber composition, is characterized in that, described composition comprises the component of following parts by weight:
(a) methyl vinyl silicon kautschuk, comprise the methyl vinyl silicon kautschuk 71 ± 2 parts of contents of ethylene 0.07%-0.09%, the methyl vinyl silicon kautschuk 29 ± 2 parts of contents of ethylene 0.15-0.17% and the two number-average molecular weight between 58-62 ten thousand
(b) hydroxy silicon oil 2.2 ± 0.5 parts,
(c) containing hydrogen silicone oil 1.4 ± 0.2 parts, and
(d) resistance to oil ingredient, described resistance to oil ingredient comprises:
White carbon black 42 ± 10 parts, described white carbon black is precipitated silica;
Dimethyl silicone oil 1.1 ± 0.2 parts, the polymerization degree of described dimethyl silicone oil is between 150-300;
3000 ± 500 9 ± 2 parts, object potter's clay,
Tetrafluoroethylene 5 ± 0.5 parts,
The weight of component (a) ~ (d) accounts for the 90-100% of described composition total weight, calculates with composition total weight.
2. composition as claimed in claim 1, it is characterized in that, described hydroxy silicon oil is selected from the α that the polymerization degree is 150-300, alpha, omega-dihydroxy polymethyl siloxane.
3. composition as claimed in claim 1, is characterized in that, described composition is also containing additive, and described additive comprises:
Inner pattern releasing agent applicable 0.42 ± 0.07 part,
Silane coupling agent 2 ± 0.5 parts.
4. the resistance oil silicone rubber that a composition as claimed in claim 1 is obtained.
5. resistance oil silicone rubber as claimed in claim 4, it is characterized in that, according to its oil resistance of GB/T1690-2006 standard test, its volume change is not higher than 36%.
6. a preparation method for Oil-resistant silicon rubber composition as claimed in claim 1, is characterized in that, comprises the steps:
Component as claimed in claim 1 is provided;
Described component is mediated at 110-175 DEG C, vacuumizes aftershaping and obtains resistance oil silicone rubber.
7. method as claimed in claim 6, it is characterized in that, described component repeatedly feeding mode is fed in raw material.
8. the oil-resistant article that a resistance oil silicone rubber as claimed in claim 4 is obtained.
9. oil-resistant article as claimed in claim 8, it is characterized in that, described goods are O type circle, spark coil, rubber roll or pad.
10. a resistance oil silicone rubber as claimed in claim 4 is in the application of O type circle, spark coil, rubber roll or pad.
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| CN201210048430.1A CN102585514B (en) | 2012-02-28 | 2012-02-28 | Resistance oil silicone rubber |
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| CN201210048430.1A CN102585514B (en) | 2012-02-28 | 2012-02-28 | Resistance oil silicone rubber |
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| CN115141442B (en) * | 2020-03-17 | 2024-02-06 | 戚佳轩 | Fluororubber composition, rubber product and preparation method thereof |
| CN111875972A (en) * | 2020-09-15 | 2020-11-03 | 沅陵县成瑞祥粉体材料科技有限公司 | Oil-resistant silicone rubber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999066012A2 (en) * | 1998-06-17 | 1999-12-23 | Loctite Corporation | Oil resistant silicones |
| JP2008031227A (en) * | 2006-07-26 | 2008-02-14 | Dow Corning Toray Co Ltd | Silicone rubber composition, method for producing the same, thermosetting silicone rubber composition and rubber sealing part for automobile |
| CN101333307A (en) * | 2008-06-27 | 2008-12-31 | 南京固柏橡塑制品有限公司 | Cold resistant rubber |
| CN101412835A (en) * | 2008-11-28 | 2009-04-22 | 华南理工大学 | Blend of fluorubber and silastic, and preparation thereof |
| CN101735620A (en) * | 2009-12-27 | 2010-06-16 | 周忠坤 | High-temperature resisting methyl vinyl silicone rubber |
-
2012
- 2012-02-28 CN CN201210048430.1A patent/CN102585514B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999066012A2 (en) * | 1998-06-17 | 1999-12-23 | Loctite Corporation | Oil resistant silicones |
| JP2008031227A (en) * | 2006-07-26 | 2008-02-14 | Dow Corning Toray Co Ltd | Silicone rubber composition, method for producing the same, thermosetting silicone rubber composition and rubber sealing part for automobile |
| CN101333307A (en) * | 2008-06-27 | 2008-12-31 | 南京固柏橡塑制品有限公司 | Cold resistant rubber |
| CN101412835A (en) * | 2008-11-28 | 2009-04-22 | 华南理工大学 | Blend of fluorubber and silastic, and preparation thereof |
| CN101735620A (en) * | 2009-12-27 | 2010-06-16 | 周忠坤 | High-temperature resisting methyl vinyl silicone rubber |
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