CN107163708A - A kind of fluorubber of high temperature-resistant acid-resistant alkali - Google Patents
A kind of fluorubber of high temperature-resistant acid-resistant alkali Download PDFInfo
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- CN107163708A CN107163708A CN201710424765.1A CN201710424765A CN107163708A CN 107163708 A CN107163708 A CN 107163708A CN 201710424765 A CN201710424765 A CN 201710424765A CN 107163708 A CN107163708 A CN 107163708A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2312/00—Crosslinking
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Abstract
The invention belongs to field of rubber technology, a kind of fluorubber of high temperature-resistant acid-resistant alkali is specifically disclosed, is prepared from by following parts by weight component：100 parts of fluorubber, 40~55 parts of carbon black, 3~4 parts of magnesia, 6~8 parts of vulcanizing agent batch mixing, 3~8 parts of plasticizer TOTM, 1~3 part of aging aids, 1~3 part of demolding aids, wherein aging aids are preferably palm wax, and demolding aids are preferably pentaerythritol stearate.The modification fluorubber of the present invention has the abilities of soda acid such as good resistance to nitric acid, sulfuric acid, hydrochloric acid, sodium hydroxide and heat-resisting ability is good, is used for a long time under high temperature and the time retardation of aging phenomenon occurs.
Description
Technical field
The invention belongs to field of rubber technology, and in particular to a kind of fluorubber of high temperature-resistant acid-resistant alkali.
Background technology
Rubber is the strong flexible polymer material with reversible deformation, for manufacturing aircraft, warship, automobile, tractor, receipts
The instrument and equipments such as cutting mill, the water conservancy mechanical facilities of irrigation and drainage, medicine equipment, are divided into two kinds of natural rubber and synthetic rubber.Natural rubber be from
Colloid post-processing is extracted in the plants such as rubber tree, kok-saghyz to be made, and synthetic rubber is then obtained by the aggregated reaction of various monomers.
Natural rubber is because there is unsaturated double-bond, the easy aging of influence of the metal such as light, heat, ozone, radiation, Yi Jitong, manganese, and
Because natural rubber is non-polar rubber, oil resistivity and solvent resistance are very poor.Synthetic rubber is general to be not so good as natural rubber in performance
Comprehensively, but with performances such as high resiliency, insulating properties, air-tightness, oil resistant, high temperature resistant or low temperature, wherein fluorubber refers to main chain to glue
Or the synthesis macromolecular elastomer containing fluorine atom on the carbon atom of side chain, due to fluorine atom introducing and with excellent heat-resisting
Property, inoxidizability, oil resistivity, resistance to weathering.Although chemical stability of the fluorubber with height, resistance to petroleum base oils,
Di esters oil, silicon ethers oil, silicic acid class oil, but not amine-resistant, ammonia, hydrofluoric acid, chlorosulfonic acid, phosphoric acid class hydraulic oil, resistance to acids and bases
Can be slightly weak.Resistance to oxidation, mechanical resistant intensity, mechanical fatigue etc. occurs after long-time use in high temperature environments in other fluorubber
Ability declines, so as to influence the use of fluorubber.
Chinese patent CN106317712A, a kind of engine oil seal fluorubber of patent name and preparation method thereof, the applying date
2016 phases August 19 days, discloses a kind of oil sealing fluorubber mixed with modified graphene, by the heat conductivility for improving fluorubber
The wear extent of oil sealing fluorubber is reduced, but after being used for a long time at high temperature, the easy corrosion and ageing of oil sealing fluorubber, fuel tolerance capability
Decline, influence the sealing effectiveness of oil sealing rubber.
The content of the invention
Acid-alkali-corrosive-resisting ability for fluorubber is not powerful enough, and is used for a long time under high temperature and oxytolerant also easily occur
The problem of change, mechanical resistant intensity, the ability of fatigue strength decline and influence to use, it is an object of the invention to provide a kind of resistance to height
The fluorubber of warm acid and alkali-resistance, ability and high temperature resistant energy with soda acids such as good resistance to nitric acid, sulfuric acid, hydrochloric acid, sodium hydroxides
Power is good, is used for a long time under high temperature and the time retardation of aging phenomenon occurs.
The present invention provides following technical scheme：
A kind of fluorubber of high temperature-resistant acid-resistant alkali, described fluorubber is prepared from by following parts by weight component：Fluorubber 100
Part, 40~55 parts of carbon black, 3~4 parts of magnesia, 6~7 parts of vulcanizing agent batch mixing, 3~8 parts of plasticizer TOTM, aging aids 1~3
Part, 1~3 part of demolding aids.
The fluorubber of the present invention promotes the vulcanization of vulcanizing agent batch mixing by adding magnesia, promotes fluorubber internal crosslinking journey
The increase of degree, improves the elasticity of fluorubber, strengthens high temperature resistant, the ability of soda acid of fluorubber, and carbon black improves the intensity of rubber, stretched
Long rate, the ability of the resistance to mechanical pressure of reinforcing rubber.Aging aids can strengthen fluorubber surface freedom from cracking ability, strengthen fluorine rubber
The functions such as glue waterproof, antifouling, acid and alkali-resistance, anti-aging, freeze thawing resistance, antibiont erosion, demolding aids can strengthen fluorubber preparation
During mobility, improve greater homogeneity.
As a modification of the present invention, the vulcanizing agent batch mixing is BIBP, TAC, and wherein both weight part ratios are
BIBP:TAC=1~1.5:5~6.BIBP is peroxide vulcanizing agent (1,3,4- double (ter /-butylisopropyl) benzene peroxide),
The crosslinking of free radical is carried out in sulfidation, it is high to the crosslink density of rubber, irritating gas is not discharged in cross-linking process
Taste does not influence on environment.TAC is TAC, can significantly improve the intensity, rigidity and heat resistance of product, association
With reinforcing BIBP curing capacity, vulcanization effect is improved.
As a modification of the present invention, the aging aids are palm wax.Palm wax can strengthen the anti-tortoise of fluorubber
Ability is split, prevents water, acid-base solution etc. from entering inside rubber.
As a modification of the present invention, the demolding aids are pentaerythritol stearate.Fluorubber is improved to prepare
Mobility in journey, and be easy to be stripped, prevent stamping device.
A kind of preparation method of the fluorubber of high temperature-resistant acid-resistant alkali, comprises the following steps：
(1) add fluorubber, demolding aids into banbury to be well mixed, 6kgf/cm2Kept for 50~60 seconds, kept under pressure
30~40r/min of rotating speed；
(2) magnesia, aging aids, rotating speed 35~40r/min, 6kgf/cm are continuously added2Kept for 80~100 seconds under pressure；
(3) carbon black and plasticizer, rotating speed 35~40r/min, 6kgf/cm are continuously added2Kept for 80~100 seconds under pressure；
(4) pressure bolt 20 seconds after bolt dallies 10 seconds are risen, pressure 6kgf/cm is kept2, 30~40r/min of rotating speed；
(5) 25~30r/min of rotating speed, pressure 4kgf/cm2, dumping obtains primary sizing material at least 20 seconds at 120~150 DEG C of temperature；
(6) primary sizing material is placed and mill is added to after a period of time, primary sizing material bag burnishing-in slided slow equal in backward mill
Accelerator and vulcanizing agent are added evenly；
(7) after accelerator, vulcanizing agent are mixed with primary sizing material, tapped rubber three times with eight wushu methods or so；
(8) thin logical 3~4 times after having tapped rubber, roll spacing is set to 1.2 ± 0.3mm, obtains finished product glue；
(9) finished product glue is placed in blanking in mill, obtains the fluorubber of high temperature-resistant acid-resistant alkali.
Pressure and appropriate feeding temperature is kept to ensure that various raw materials are well mixed, carbon black is fed respectively with plasticizer TOTM
The dispersion effect of carbon black batch mixing and plasticizer TOTM is improved, strengthens the heat-resisting endurance quality of fluorubber, greater homogeneity is improved.
Improved as one kind of the inventive method, feeding temperature is≤80 DEG C in step (1).Promote uniform point of each raw material
Dissipate.
Improved as one kind of the inventive method, by primary sizing material standing time was no less than 8 hours and did not surpassed in step (6)
30 days are spent, it is 15~30 DEG C to place temperature.Primary sizing material, which is placed, makes primary sizing material reduce shrinkage after a period of time, raising property
The stability and greater homogeneity of energy, and the stress of primary sizing material is relaxed.
Beneficial effects of the present invention are as follows：
The fluorubber of the high temperature-resistant acid-resistant alkali of the present invention has the energy of the soda acids such as good resistance to nitric acid, sulfuric acid, hydrochloric acid, sodium hydroxide
Power and resistance to elevated temperatures is good, is used for a long time the time retardation for aging phenomenon occur, it is to avoid acid and alkali corrosion and high temperature under high temperature
It is lower that the problem of resistance to oxidation occurred, mechanical resistant intensity, the ability of fatigue strength decline and influence to use, and high temperature is used for a long time
Deformation under compression is small.
Embodiment
Just the embodiment of the present invention is described further below：
Unless otherwise instructed, the raw material employed in the present invention is commercially available or commonly used in the art, such as without spy
Do not mentionlet alone bright, the method in following embodiments is the conventional method of this area.
Embodiment 1
A kind of fluorubber of high temperature-resistant acid-resistant alkali, is prepared from by following component：Fluorubber 100g, carbon black 40g, magnesia 3g,
Vulcanizing agent batch mixing 8g, plasticizer TOTM 3g, aging aids 1g, demolding aids 1g, wherein vulcanizing agent batch mixing are BIBP, TAC, two
The weight part ratio of person is BIBP:TAC=1:7, aging aids are preferably palm wax, and demolding aids are preferably pentaerythrite stearic acid
Ester.
A kind of preparation method of the fluorubber of high temperature-resistant acid-resistant alkali, comprises the following steps：
(1) add fluorubber, demolding aids into banbury to be well mixed, feeding temperature is 30 DEG C, 6kgf/cm2Protected under pressure
Hold 50 seconds, keep rotating speed 30r/min；
(2) magnesia, aging aids, rotating speed 35r/min, 6kgf/cm are continuously added2Kept for 80 seconds under pressure；
(3) carbon black and plasticizer, rotating speed 35r/min, 6kgf/cm are continuously added2Kept for 80 seconds under pressure；
(4) pressure bolt 20 seconds after bolt dallies 10 seconds are risen, pressure 6kgf/cm is kept2, rotating speed 30r/min；
(5) rotating speed 25r/min, pressure 4kgf/cm2, dumping obtains primary sizing material in 20 seconds at 120 DEG C of temperature；
(6) it will be placed at primary 15 DEG C of sizing material and mill added after a period of time, the time of placement is no more than 30 days and no less than 8
Hour, preferably 8 hours, primary sizing material bag burnishing-in is slided in backward mill and is slowly homogeneously added into accelerator and vulcanizing agent；
(7) after accelerator, vulcanizing agent are mixed with primary sizing material, tapped rubber three times with eight wushu methods or so；
(8) thin logical 3 times after having tapped rubber, roll spacing is set to 1.2 ± 0.3mm, obtains finished product glue；
(9) finished product glue is placed in blanking in mill, obtains the fluorubber of high temperature-resistant acid-resistant alkali.
Embodiment 2
A kind of fluorubber of high temperature-resistant acid-resistant alkali, is prepared from by following component：Fluorubber 100g, carbon black 50g, magnesia
3.5g, vulcanizing agent batch mixing 6g, plasticizer TOTM 5.5g, aging aids 2g, demolding aids 2g, wherein vulcanizing agent batch mixing be BIBP,
TAC, both weight part ratios are BIBP:TAC=1.5:5, aging aids are preferably palm wax, and demolding aids are preferably Ji Wusi
Alcohol stearate.
A kind of preparation method of the fluorubber of high temperature-resistant acid-resistant alkali, comprises the following steps：
(1) add fluorubber, demolding aids into banbury to be well mixed, 50 DEG C of feeding temperature, 6kgf/cm2Kept under pressure
55 seconds, keep rotating speed 35r/min；
(2) magnesia, aging aids, rotating speed 37r/min, 6kgf/cm are continuously added2Kept for 90 seconds under pressure；
(3) carbon black and plasticizer, rotating speed 37r/min, 6kgf/cm are continuously added2Kept for 90 seconds under pressure；
(4) pressure bolt 20 seconds after bolt dallies 10 seconds are risen, pressure 6kgf/cm is kept2, rotating speed 35r/min；
(5) rotating speed 27r/min, pressure 4kgf/cm2, dumping obtains primary sizing material in 50 seconds at 135 DEG C of temperature；
(6) it will be placed at primary 23 DEG C of sizing material and mill added after a period of time, the time of placement is no more than 30 days and no less than 8
Hour, preferably 240 hours, primary sizing material bag burnishing-in was slided in backward mill and is slowly homogeneously added into accelerator and vulcanization by machine
Agent；(7) after accelerator, vulcanizing agent are mixed with primary sizing material, tapped rubber three times with eight wushu methods or so；
(8) thin logical 3 times after having tapped rubber, roll spacing is set to 1.2 ± 0.3mm, obtains finished product glue；
(9) finished product glue is placed in blanking in mill, obtains the fluorubber of high temperature-resistant acid-resistant alkali.
Embodiment 3
A kind of fluorubber of high temperature-resistant acid-resistant alkali, is prepared from by following component：Fluorubber 100g, carbon black 55g, magnesia 4g,
7g parts of vulcanizing agent batch mixing, plasticizer DOP 8g, aging aids 3g, demolding aids 3g, wherein vulcanizing agent batch mixing are BIBP, TAC, two
The weight part ratio of person is BIBP:TAC=1.25:6, resistance to acid assistant is preferably calcium hydroxide, and aging aids are preferably palm wax, is taken off
Mould auxiliary agent is preferably pentaerythritol stearate.
A kind of preparation method of the fluorubber of high temperature-resistant acid-resistant alkali, comprises the following steps：
(1) add fluorubber, demolding aids into banbury to be well mixed, 80 DEG C of feeding temperature, 6kgf/cm2Kept under pressure
60 seconds, keep rotating speed 40r/min；
(2) magnesia, aging aids, rotating speed 40r/min, 6kgf/cm are continuously added2Kept for 100 seconds under pressure；
(3) carbon black and plasticizer, rotating speed 40r/min, 6kgf/cm are continuously added2Kept for 100 seconds under pressure；
(4) pressure bolt 20 seconds after bolt dallies 10 seconds are risen, pressure 6kgf/cm is kept2, rotating speed 40r/min；
(5) rotating speed 30r/min, pressure 4kgf/cm2, dumping obtains primary sizing material in 80 seconds at 150 DEG C of temperature；
(6) it will be placed at primary 30 DEG C of sizing material and mill added after a period of time, the time of placement is no more than 30 days and no less than 8
Hour, preferably 700 hours, primary sizing material bag burnishing-in is slided in backward mill and is slowly homogeneously added into accelerator and vulcanizing agent；
(7) after accelerator, vulcanizing agent are mixed with primary sizing material, tapped rubber three times with eight wushu methods or so；
(8) thin logical 4 times after having tapped rubber, roll spacing is set to 1.2 ± 0.3mm, obtains finished product glue；
(9) finished product glue is placed in blanking in mill, obtains the fluorubber of high temperature-resistant acid-resistant alkali.
Performance indications
Fluorubber and commercially available 246 fluorubber prepared by embodiments of the invention 1, embodiment 2, embodiment 3,26-41 fluorubber
Every test index is as shown in table 1, wherein：
Shore hardness testing standard：ASTM D2240；Tensile strength testing standard：ASTM D412；Compression set test mark
It is accurate：ASTM D395；Ageing properties testing standard：ASTM D573；Acidleach test condition：In the sulfuric acid solution of mass concentration 96%
100 DEG C are soaked 70 hours；Alkali soaks test condition：100 DEG C are soaked 70 hours in the sodium hydroxide solution of mass concentration 50%；
Table 1
As can be known from Table 1, compared with commercially available fluororubber 246,246-1, fluorubber of the invention is acidproof, alkaline resistance properties is good, acid
Volume change after leaching, alkali leaching is small, and tensile strength, hardness and elongation at break change are small, and performance is stable.
Claims (7)
1. a kind of fluorubber of high temperature-resistant acid-resistant alkali, it is characterised in that the fluorubber is prepared from by following parts by weight component：
100 parts of fluorubber, 40~55 parts of carbon black, 3~4 parts of magnesia, 6~8 parts of vulcanizing agent batch mixing, 3~8 parts of plasticizer TOTM, protection
1~3 part of auxiliary agent, 1~3 part of demolding aids.
2. the fluorubber of high temperature-resistant acid-resistant alkali according to claim 1, it is characterised in that the vulcanizing agent batch mixing is
BIBP, TAC, wherein both weight part ratios are BIBP:TAC=1~1.5:5~7.
3. the fluorubber of high temperature-resistant acid-resistant alkali according to claim 1, it is characterised in that the aging aids are palm
Wax.
4. the fluorubber of high temperature-resistant acid-resistant alkali according to claim 1, it is characterised in that the demolding aids are Ji Wusi
Alcohol stearate.
5. a kind of preparation method of the fluorubber of high temperature-resistant acid-resistant alkali as described in Claims 1-4 is any, including following step
Suddenly：
（1）Fluorubber, demolding aids are added into banbury to be well mixed, and are kept for 50~60 seconds, kept under 6 kgf/cm2 pressure
The r/min of rotating speed 30~40；
（2）Continuously add and kept for 80~100 seconds under magnesia, aging aids, the r/min of rotating speed 35~40,6 kgf/cm2 pressure；
（3）Continuously add and kept for 80~100 seconds under carbon black and plasticizer, the r/min of rotating speed 35~40,6 kgf/cm2 pressure；
（4）Pressure bolt 20 seconds after bolt dallies 10 seconds are risen, the kgf/cm2 of pressure 6, the r/min of rotating speed 30~40 is kept；
（5）Dumping obtains primary glue at least 20 seconds at the r/min of rotating speed 25~30, the kgf/cm2 of pressure 4,120~150 DEG C of temperature
Material;
（6）Primary sizing material is placed mill is added to after a period of time, primary sizing material bag burnishing-in is slided in backward mill and delayed
Slowly accelerator and vulcanizing agent are homogeneously added into；
（7）After accelerator, vulcanizing agent are mixed with primary sizing material, tapped rubber three times with eight wushu methods or so；
（8）Thin logical 3~4 times after having tapped rubber, roll spacing is set to 1.2 ± 0.3mm, obtains finished product glue；
（9）Finished product glue is placed in blanking in mill, the fluorubber of high temperature-resistant acid-resistant alkali is obtained.
6. the preparation method of the fluorubber of high temperature-resistant acid-resistant alkali according to claim 5, it is characterised in that step（1）In
Feeding temperature be≤80 DEG C.
7. the preparation method of the fluorubber of high temperature-resistant acid-resistant alkali according to claim 5, it is characterised in that step（6）In
By primary sizing material standing time no less than 8 hours and no more than 30 days, it is 15~30 DEG C to place temperature.
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| CN201710424765.1A CN107163708B (en) | 2017-06-07 | 2017-06-07 | A kind of fluorubber of high temperature-resistant acid-resistant alkali |
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| CN201710424765.1A CN107163708B (en) | 2017-06-07 | 2017-06-07 | A kind of fluorubber of high temperature-resistant acid-resistant alkali |
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| CN107163708B CN107163708B (en) | 2019-05-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110157124A (en) * | 2019-05-10 | 2019-08-23 | 上海杜实新材料科技有限公司 | A kind of tetrapropanate fluorine rubber composition of hydrogen sulfide corrosion-resistant and its application |
| CN110218405A (en) * | 2019-05-10 | 2019-09-10 | 上海杜实新材料科技有限公司 | A kind of fluoro-rubber composite of hydrogen sulfide corrosion-resistant and its application |
| CN110511514A (en) * | 2019-08-31 | 2019-11-29 | 中国石油集团川庆钻探工程有限公司 | High-temperature and high-pressure resistant rubber material and preparation method thereof |
| CN112898706A (en) * | 2019-11-19 | 2021-06-04 | 罗孚橡胶（江苏）有限公司 | High-temperature-resistant fluororubber mixing rubber material |
| CN113414076A (en) * | 2021-06-30 | 2021-09-21 | 西安中核核仪器有限公司 | Method for preparing coating on inner side of radiation monitoring device |
| JP2023094565A (en) * | 2021-12-23 | 2023-07-05 | ダイキン工業株式会社 | Cross-linkable composition, member, and use of cross-linkable composition |
| CN117777624A (en) * | 2023-12-27 | 2024-03-29 | 广州美村橡胶科技股份有限公司 | Composite modified fluororubber for battery sealing and preparation method thereof |
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| CN102617959A (en) * | 2011-03-30 | 2012-08-01 | 中国石油化工股份有限公司 | Sulfur-resistant rubber composition |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110157124A (en) * | 2019-05-10 | 2019-08-23 | 上海杜实新材料科技有限公司 | A kind of tetrapropanate fluorine rubber composition of hydrogen sulfide corrosion-resistant and its application |
| CN110218405A (en) * | 2019-05-10 | 2019-09-10 | 上海杜实新材料科技有限公司 | A kind of fluoro-rubber composite of hydrogen sulfide corrosion-resistant and its application |
| CN110511514A (en) * | 2019-08-31 | 2019-11-29 | 中国石油集团川庆钻探工程有限公司 | High-temperature and high-pressure resistant rubber material and preparation method thereof |
| CN110511514B (en) * | 2019-08-31 | 2021-08-06 | 中国石油集团川庆钻探工程有限公司 | High-temperature and high-pressure resistant rubber material and preparation method thereof |
| CN112898706A (en) * | 2019-11-19 | 2021-06-04 | 罗孚橡胶（江苏）有限公司 | High-temperature-resistant fluororubber mixing rubber material |
| CN113414076A (en) * | 2021-06-30 | 2021-09-21 | 西安中核核仪器有限公司 | Method for preparing coating on inner side of radiation monitoring device |
| JP2023094565A (en) * | 2021-12-23 | 2023-07-05 | ダイキン工業株式会社 | Cross-linkable composition, member, and use of cross-linkable composition |
| CN117777624A (en) * | 2023-12-27 | 2024-03-29 | 广州美村橡胶科技股份有限公司 | Composite modified fluororubber for battery sealing and preparation method thereof |
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