WO2007058038A1 - フッ素ゴム組成物及びフッ素ゴム架橋体の製造方法 - Google Patents
フッ素ゴム組成物及びフッ素ゴム架橋体の製造方法 Download PDFInfo
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- WO2007058038A1 WO2007058038A1 PCT/JP2006/320584 JP2006320584W WO2007058038A1 WO 2007058038 A1 WO2007058038 A1 WO 2007058038A1 JP 2006320584 W JP2006320584 W JP 2006320584W WO 2007058038 A1 WO2007058038 A1 WO 2007058038A1
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- WIPO (PCT)
- Prior art keywords
- fluororubber
- polyol
- composition
- crosslinking agent
- surface roughness
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/19—Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/08—Heat treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of 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; Compositions of derivatives of such polymers
- C08L27/02—Compositions of 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
Definitions
- the present invention relates to a fluororubber composition and a method for producing a cross-linked fluororubber. Specifically, the surface of the fluororubber can be reduced in friction coefficient, and the surface roughness can be roughened without applying any treatment to the mold.
- the present invention relates to a fluororubber composition and a method for producing a crosslinked fluororubber.
- fluororubber has rubber elasticity, which is a natural characteristic of rubber, like other general-purpose rubber, and has a strength such as heat resistance, oil resistance, and chemical resistance compared to other general-purpose rubber.
- it can be used as a rubber component for leakage prevention, such as O-rings, packings, gaskets, etc., vibration-proof rubber, belts, rubberized cloth, etc.
- It is used for various purposes as a shock absorbing stopper component such as one head, hard disk (HDD) head control unit, and more specifically as a stopper installed for the purpose of suppressing malfunction of the reading arm in the HDD device. Yes.
- the stopper defines the position of the movable range of the head part (arm swing; standing) when the arm having the recording / reading head part at the tip stands by, and further after the arm is actuated. Is a part installed for the purpose of absorbing shocks to suppress arm malfunction during standby.
- the addition ratio of the quaternary phosphonium salt, which is a crosslinking accelerator to be blended in the fluororubber composition, and the crosslinking agent (crosslinking accelerator Z crosslinking agent) is 0.9 or more and 5 or less.
- the rubber surface can be reduced in friction by increasing the ratio of addition in the conventional fluorine rubber composition.
- the rubber surface condition is modified by this low friction key to achieve a low friction coefficient, that is, a low adhesion.
- the fluororubber composition described in Patent Document 1 has a low friction coefficient on the surface itself, but keeps a smooth state.
- a combination of techniques to further roughen the surface condition for example, by applying “ground” processing.
- Patent Document 1 International Publication No. 2004Z094479 Pamphlet
- the present invention provides a polyol-based cross-linked fluororubber composition and fluorine that can make the surface of the fluororubber have a low friction coefficient and can roughen the surface roughness without treating the mold. It is an object to provide a method for producing a crosslinked rubber.
- the invention according to claim 1 includes a polyol-crosslinkable fluororubber and a quaternary ammonium salt. And a weight ratio X (quaternary ammonia salt Z polyol-based crosslinking agent) between the crosslinking accelerator and the polyol-based crosslinking agent. It is a fluororubber composition characterized by being 40.60.60.
- the invention according to claim 2 is the fluororubber composition according to claim 1, which is used for a polyol-based cross-linked fluororubber.
- the invention according to claim 3 includes a cross-linkable accelerator comprising a polyol-crosslinkable fluororubber, a quaternary ammonium salt, and a polyol-based cross-linker.
- a cross-linkable accelerator comprising a polyol-crosslinkable fluororubber, a quaternary ammonium salt, and a polyol-based cross-linker.
- the fluororubber composition in which the weight ratio X (quaternary ammonia salt Z polyol-based crosslinking agent) to the polyol-based crosslinking agent is 0.40 to 0.60 is subjected to polyol crosslinking in advance if necessary.
- the cross-linked fluororubber has a coefficient of dynamic friction of 0.5 or less, a surface roughness (Ra) of 1.5 or more, and a surface roughness (Ry) of 10 or more.
- the invention according to claim 5 is the method for producing a crosslinked fluororubber according to claim 4, wherein the coefficient of dynamic friction of the crosslinked fluororubber is 0.1 to 0.4.
- the invention according to claim 6 is that the surface roughness (Ra) of the crosslinked fluororubber is in the range of 1.5 to 4.0 and the surface roughness (Ry) is in the range of 10 to 25. 6.
- the surface can be roughened without any treatment such as "finishing" on the mold, and low adhesion can be achieved. Can be simplified.
- the fluororubber yarn composition of the present invention contains at least a polyol-crosslinkable fluororubber, a crosslinking accelerator comprising a quaternary ammonium salt, and a polyol-based crosslinking agent.
- polyol-crosslinkable fluororubber polyol-crosslinking fluororubber
- a polymer or copolymer of one or more fluorine-containing olefins can be used.
- fluorinated olefin examples include, for example, vinylidene fluoride, hexafluoropropylene, pentafluoropropylene, trifluoroethylene, trifluoroethylene, tetrafluoroethylene, fluorinated, Examples thereof include bur, perfluoroacrylic acid ester, attalinoleic acid perfanololeolo anorequinole, perfonoreromethinorevininoreethenole, perfunoreo mouth propyl bulule ether, and the like.
- fluorine-containing olefins may be used alone or in combination of two or more.
- Such a polyol-crosslinked fluororubber is preferably a bi-fluoridene monohexafluoropropylene binary copolymer (abbreviation: VDF-HFP), tetrafluoroethylene propylene binary. Copolymers (abbreviation: TFE—P), vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene terpolymer (abbreviation: VDF—HFP TFE), etc., are available as commercial products. it can.
- VDF-HFP bi-fluoridene monohexafluoropropylene binary copolymer
- TFE—P tetrafluoroethylene propylene binary. copolymers
- VDF—HFP TFE vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene terpolymer
- bisphenols are preferable. Specifically, for example, 2, 2 bis (4-hydroxyphenol) propane [bisphenol A], 2, 2 bis (4 hydroxyphenol) perfluoropropane [bisphenol AF], bis ( 4-hydroxyphenyl) sulfone [bisphenol S], bisphenol A-bis (diphenyl phosphate), 4,4'-dihydroxydiphenyl, 4,4'-dihydroxydiphenylmethane, 2,2bis (4 Polyhydroxy aromatic compounds such as -hydroxyphenol) butane are exemplified, and bisphenol A, bisphenol AF, and the like are preferably used. These may be in the form of alkali metal salts or alkaline earth metal salts! /.
- polystyrene resin a commercially available master batch containing a raw rubber and a polyol-based crosslinking agent may be used.
- master batch for sales include Cylative VC # 30 (manufactured by DuPont Dow Elastomer Co., Ltd .: containing a crosslinking agent [bisphenol AF] 50 wt%).
- crosslinking agents may be used alone or in combination of two or more.
- the quaternary ammonium salt used as a crosslinking accelerator uses a compound represented by the following general formula (1) (hereinafter referred to as the quaternary ammonium salt of the present invention). be able to.
- R represents an alkyl group having 1 to 24 carbon atoms or an aralkyl group having 7 to 20 carbon atoms, and represents a tetrafluoroborate group or a hexafluorophosphate group.
- a compound in which R is a benzyl group is preferred.
- R is a benzyl group
- DBN—F 5-benzyl-1,5-diazabicyclo [4, 3, 0] -5-none.
- DBN— ⁇ hexafluorophosphate
- These tetrafluoroborate or hexafluorophosphate has melting points of about 80 ° C and 100 ° C, respectively, and is heated and kneaded by a roll, a kneader, a banbari etc. (100 ° C) It melts easily and has excellent dispersibility.
- quaternary ammonia salt of the present invention a commercially available master batch containing raw material rubber and quaternary ammonia salt may be used.
- a rubber compounding agent for example, carbon black , Carbon fiber and other reinforcing agents; Hyde mouth talcite (Mg Al (OH) CO), calcium carbonate
- Wax Magnesium carbonate, Aluminum hydroxide, Magnesium hydroxide, Aluminum silicate, Magnesium silicate, Calcium silicate, Potassium titanate, Titanium oxide, Barium sulfate, Aluminum borate, Glass fiber, Aramid fiber, etc .; Wax Commonly used in the rubber industry such as metal soap, processing aids; acid acceptors such as calcium hydroxide, magnesium oxide, zinc oxide; anti-aging agents; thermoplastic resin; Additives can be added as needed within the range without compromising the effects of the crosslinking agents and crosslinking accelerators used in the present invention!
- calcium hydroxide and calcium hydroxide can be preferably used for appropriately adjusting the crosslinking density, and further preferred for reducing the friction coefficient of the fluororubber crosslinked body and obtaining a low rebound resilience.
- the point power such as the foaming of time is difficult to occur.
- magnesium oxide In order to obtain a low resilience rate of the crosslinked fluororubber, a low friction coefficient, and a low adhesive strength, it is also preferable to use magnesium oxide.
- the weight ratio ⁇ (quaternary ammonia salt compound Z polyol-based crosslinking agent) of the quaternary ammonium salt of the present invention to the polyol-based crosslinking agent is 0.40-0.60. It is the range.
- weight ratio X When the weight ratio X is less than 0.40, it is difficult to reduce the friction coefficient of the surface of the crosslinked fluororubber, and when the weight ratio X is greater than 0.60. However, it is possible to reduce the friction coefficient of the surface of the cross-linked fluororubber to some extent, but it causes an increase in hardness and a decrease in elongation at break as a cross-linked fluororubber, which impairs normal physical properties and is not practical. Become.
- the amount of crosslinking accelerator (quaternary ammonia salt compound) in the fluororubber composition is 0.95 to 20 parts per 100 parts by weight of the fluorocrosslinkable fluororubber.
- the range of parts by weight is preferable, and 1.0 to: the range of L0 parts by weight.
- the polyol cross-linking agent (preferably bisphenols) is usually preferably in the range of 0.4 to 20 parts by weight, more preferably 1 to 100 parts by weight of polyol-crosslinkable fluorine rubber.
- Examples of the method for preparing a polyol-crosslinkable fluororubber composition according to the present invention include, for example, a predetermined amount of each of the above components, a general kneading machine such as an intermix, a kneader, a Banbury mixer, etc. Examples thereof include a method of kneading with a typical kneader and a method of dissolving each component with a solvent and dispersing with a stirrer.
- the fluororubber composition obtained as described above is usually used in an injection molding machine, compression molding machine, vulcanization press machine, oven, etc., at a temperature of 140 ° C to 230 ° C for 1 to 120 minutes. Degree heating
- crosslinking (vulcanization) molding can be performed.
- primary vulcanization is a step of crosslinking to such an extent that a shape can be maintained in order to form a certain shape (preliminary molding). Primary vulcanization is possible even in an oven such as air heating.
- the object to be processed is compression molded after kneading the fluorororubber composition
- the kneading usually, (a)- Alternatively, (b) After kneading, the temperature may be increased and compression molding may be continued.
- the above method (a) is used.
- the method (a) Prior to vulcanization of the fluororubber composition, if the composition is shaped into a certain shape, the method (a) can be used.
- the heat treatment method of the present invention is the same force as that of normal secondary vulcanization. If the fluorororubber composition of the present invention (polyol-crosslinkable fluororesin composition) is not used, even if normal secondary vulcanization is performed,
- the cross-linked fluororubber has a coefficient of dynamic friction of 0.5 or less, a surface roughness (Ra) of 1.5 or more, and a table. No surface roughness (Ry) greater than 10 can be obtained.
- the fluororubber composition of the present invention is used in a temperature range of 200 ° C to 300 ° C, preferably in a temperature range of 240 ° C to 260 ° C. 0.1 to 48 hours, preferably 1 to 48 hours, more preferably 10 to 48 hours.
- a polyol-crosslinkable fluororubber composition is obtained after polyol cross-linking (carbonization) in advance as described above, if necessary, from the viewpoint of preventing the generation of low-molecular volatile components (outgas).
- the obtained composition is further treated as described above in the temperature range of 200 ° C to 300 ° C, preferably in the temperature range of 240 ° C to 260 ° C, for 0.1 to 48 hours, preferably 1 to Heat treatment is performed for 48 hours, more preferably for 10 to 48 hours.
- the heat treatment temperature is high and the heat treatment time is long as in the present invention.
- the crosslinking accelerator component in the composition gradually moves from the inside of the composition to the surface of the composition, which is a portion close to the surface, and the inside of the composition.
- the crosslink density of the surface layer (for example, the surface of the composition and the range from the composition surface to about 100 / zm inside) is improved, and as a result, the heat treatment is obtained in this way.
- the crosslinked product can achieve low friction, low adhesion and surface roughness on the surface.
- the heat treatment conditions are set to the above-mentioned conditions, it is particularly preferable from the viewpoint of excellent non-adhesiveness of the obtained fluororubber crosslinked surface and excellent non-adhesive stability.
- the quaternary ammonium salt of the present invention does not include a layered compound treated with a quaternary ammonium salt! /.
- the coefficient of dynamic friction of the cross-linked body surface is 0.
- a low-friction fluororubber crosslinked product of 5 or less, preferably 0.1 to 0.4 can be obtained.
- the dynamic friction coefficient was measured using a surface tester manufactured by Shinto Kagaku Co., Ltd. in accordance with JIS K7125, P8147 for a sample rubber sheet having a thickness of 2 mm.
- Desirable surface roughness is achieved by performing the heat treatment of the composition. That is, the low-friction fluororubber crosslinked product has a surface roughness (Ra) of 1.5 or more and a surface roughness (Ry) of 10 or more, preferably a surface roughness (Ra) of 1.5 to 4.0, Surface roughness (Ry) 10-25
- a surface roughness equal to or greater than that of the “no-texture” treatment is achieved.
- Each of the above blending components (excluding the vulcanized component) was added to the mixture, kneaded for 20 minutes, and then the vulcanized component was added using an open roll to prepare a composition.
- the obtained heat-treated product was measured for dynamic friction coefficient, surface roughness, rubber hardness, breaking strength, and breaking elongation.
- a sample rubber sheet having a thickness of 2 mm was measured according to JIS K7125, P8147, and the dynamic friction coefficient on the surface of the sample rubber sheet was measured with a surface testing machine manufactured by Shinto Kagaku.
- the test conditions were as follows: the mating material was a 10 mm diameter chrome-plated steel ball friction element, the moving speed was 50 mmZ, and the load was 50 g.
- Breaking strength compliant with JIS K6251. 5-15 MPa is desirable.
- Table 1 shows that the combination of bisphenol AF and quaternary ammonium salt achieves both low friction coefficient and surface roughness (1.5 or more).
- Example 2 In the same manner as in Example 1, except that the blending amounts shown in Table 1 were used, and the blending ratio between the crosslinking accelerator and the crosslinking agent was changed as shown in Table 1, to obtain a heat-treated product.
- the dynamic friction coefficient, surface roughness, rubber hardness, breaking strength, and breaking elongation were measured.
- Example 2 In the same manner as in Example 1, except that the blending amounts shown in Table 1 were used, and the blending ratio between the crosslinking accelerator and the crosslinking agent was changed as shown in Table 1, to obtain a heat-treated product.
- the dynamic friction coefficient, surface roughness, rubber hardness, breaking strength, and breaking elongation were measured.
- Example 1 instead of the hydrated talcite, acid magnesium (Kyowa Kagaku Co., Ltd. “Kiyoen Mag # 150”) was used, and instead of the quaternary ammonium salt, the following quaternary phosphonate was used. -Same ingredients except using um salt. In addition, the blending amount of each component and the blending ratio of the crosslinking accelerator and the crosslinking agent were changed as shown in Table 1.
- Example 1 In the same manner as in Example 1, except that the blending amounts shown in Table 1 were used, and the blending ratio between the crosslinking accelerator and the crosslinking agent was changed as shown in Table 1, to obtain a heat-treated product. The dynamic friction coefficient, surface roughness, rubber hardness, breaking strength, and breaking elongation were measured. The results are shown in Table 1.
- Example 1 In the same manner as in Example 1, except that the blending amounts shown in Table 1 were used, and the blending ratio between the crosslinking accelerator and the crosslinking agent was changed as shown in Table 1, to obtain a heat-treated product. The dynamic friction coefficient, surface roughness, rubber hardness, breaking strength, and breaking elongation were measured. The results are shown in Table 1.
- the strength which is a combination of bisphenol AF and quaternary ammonia salt, has a low friction factor due to the small amount of ammonia salt, but the surface roughness is slight. Remains smooth.
- Example 1 In the same manner as in Example 1, except that the blending amounts shown in Table 1 were used, and the blending ratio between the crosslinking accelerator and the crosslinking agent was changed as shown in Table 1, to obtain a heat-treated product. The dynamic friction coefficient, surface roughness, rubber hardness, breaking strength, and breaking elongation were measured. The results are shown in Table 1.
- the weight ratio of the crosslinking accelerator to the polyol-based crosslinking agent is within the scope of the present invention. However, since it is a combination of bisphenol AF and quaternary phosphonium salt, the effect of reducing friction does not appear and the surface roughness remains smooth.
- the cross-linked low-friction fluorororubber obtained as described above achieves both a low friction coefficient and a surface roughness (1.5 or more), and is a hard disk (HDD) storage device head and HDD device storage.
- Shock-absorbing stopper parts such as storage device heads, printer heads, etc., such as on-vehicle disk devices that use toppers, optical disks, etc., and camera-integrated video recorder disk devices; O-rings, knockers, V-packings, Gasket, square ring, D ring, diaphragm, various valves, etc. (including gas etc.)
- Various rubber parts for leak prevention Suitable as various rubber parts such as anti-vibration rubber, belt, rubberized cloth, wiper, etc. Used.
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Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP06811841.3A EP1953190B1 (en) | 2005-11-16 | 2006-10-16 | Process for producing crosslinked fluororubber |
JP2007545179A JP5061905B2 (ja) | 2005-11-16 | 2006-10-16 | フッ素ゴム組成物及びフッ素ゴム架橋体の製造方法 |
US12/093,550 US7977433B2 (en) | 2005-11-16 | 2006-10-16 | Fluororubber composition and production method of cross-linked fluororubber product |
CN2006800425382A CN101309962B (zh) | 2005-11-16 | 2006-10-16 | 氟橡胶组合物和氟橡胶交联体的制造方法 |
Applications Claiming Priority (2)
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JP2005332035 | 2005-11-16 | ||
JP2005-332035 | 2005-11-16 |
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WO2007058038A1 true WO2007058038A1 (ja) | 2007-05-24 |
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PCT/JP2006/320584 WO2007058038A1 (ja) | 2005-11-16 | 2006-10-16 | フッ素ゴム組成物及びフッ素ゴム架橋体の製造方法 |
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US (1) | US7977433B2 (ja) |
EP (1) | EP1953190B1 (ja) |
JP (1) | JP5061905B2 (ja) |
KR (1) | KR20080081920A (ja) |
CN (1) | CN101309962B (ja) |
WO (1) | WO2007058038A1 (ja) |
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JP2007137977A (ja) * | 2005-11-16 | 2007-06-07 | Nok Corp | フッ素ゴム組成物及びフッ素ゴム架橋体の製造方法 |
WO2010026912A1 (ja) | 2008-09-04 | 2010-03-11 | Nok株式会社 | フッ素ゴム組成物及びフッ素ゴム架橋体の製造方法 |
US8338520B2 (en) | 2008-08-26 | 2012-12-25 | Nok Corporation | Fluororubber composition and production method of cross-linked fluororubber product |
JP2017166521A (ja) * | 2016-03-14 | 2017-09-21 | 住友ゴム工業株式会社 | ゴムチューブおよびその作製方法 |
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JP6020107B2 (ja) * | 2012-12-07 | 2016-11-02 | Nok株式会社 | フッ素ゴム組成物 |
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WO2018125790A1 (en) | 2016-12-28 | 2018-07-05 | 3M Innovative Properties Company | Silicon-containing halogenated elastomers |
EP3401358B1 (de) | 2017-05-08 | 2021-04-14 | Carl Freudenberg KG | Plasma-beschichtetes dichtelement |
WO2019126298A1 (en) | 2017-12-22 | 2019-06-27 | 3M Innovative Properties Company | Peroxide-cured halogenated elastomers having a silicon-containing superficial layer |
US12037428B2 (en) * | 2018-11-02 | 2024-07-16 | Daikin Industries, Ltd. | Fluororubber composition and molded article |
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JP2007137977A (ja) * | 2005-11-16 | 2007-06-07 | Nok Corp | フッ素ゴム組成物及びフッ素ゴム架橋体の製造方法 |
US8338520B2 (en) | 2008-08-26 | 2012-12-25 | Nok Corporation | Fluororubber composition and production method of cross-linked fluororubber product |
WO2010026912A1 (ja) | 2008-09-04 | 2010-03-11 | Nok株式会社 | フッ素ゴム組成物及びフッ素ゴム架橋体の製造方法 |
CN102203180A (zh) * | 2008-09-04 | 2011-09-28 | Nok株式会社 | 氟橡胶组合物及氟橡胶交联体的制造方法 |
US20110245423A1 (en) * | 2008-09-04 | 2011-10-06 | Kashihara Takayuki | Fluororubber composition and process for producing crosslinked fluororubber |
JP5510328B2 (ja) * | 2008-09-04 | 2014-06-04 | Nok株式会社 | フッ素ゴム組成物及びフッ素ゴム架橋体の製造方法 |
CN102203180B (zh) * | 2008-09-04 | 2014-09-03 | Nok株式会社 | 氟橡胶组合物及氟橡胶交联体的制造方法 |
JP2017166521A (ja) * | 2016-03-14 | 2017-09-21 | 住友ゴム工業株式会社 | ゴムチューブおよびその作製方法 |
Also Published As
Publication number | Publication date |
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CN101309962A (zh) | 2008-11-19 |
EP1953190A4 (en) | 2009-01-14 |
US20090163671A1 (en) | 2009-06-25 |
US7977433B2 (en) | 2011-07-12 |
EP1953190B1 (en) | 2015-04-15 |
CN101309962B (zh) | 2012-12-26 |
KR20080081920A (ko) | 2008-09-10 |
JPWO2007058038A1 (ja) | 2009-04-30 |
EP1953190A1 (en) | 2008-08-06 |
JP5061905B2 (ja) | 2012-10-31 |
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