WO2007135937A1 - 含フッ素エラストマー組成物および該組成物からなる成形品 - Google Patents
含フッ素エラストマー組成物および該組成物からなる成形品 Download PDFInfo
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- WO2007135937A1 WO2007135937A1 PCT/JP2007/060100 JP2007060100W WO2007135937A1 WO 2007135937 A1 WO2007135937 A1 WO 2007135937A1 JP 2007060100 W JP2007060100 W JP 2007060100W WO 2007135937 A1 WO2007135937 A1 WO 2007135937A1
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K3/1006—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
- C09K3/1009—Fluorinated polymers, e.g. PTFE
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
Definitions
- Fluorine-containing elastomer composition and molded article comprising the composition
- the present invention relates to a fluorine-containing elastomer composition containing a polyol-crosslinkable fluorine-containing elastomer, a polyol-based crosslinking agent, and hydrated talcite.
- the present invention also relates to a molded article, a sealing material, and a fuel hose using the fluorine-containing elastomer composition.
- biodiesel fuel is obtained by esterifying higher fatty acids obtained by squeezing organisms (biomass), mainly plants, such as rapeseed oil methyl ester, soybean oil methyl ester, Examples include sunflower oil methyl ester, coconut oil methyl ester, and palm oil methyl ester.
- a polyol vulcanized fluorororubber composition containing hydrated talcite is disclosed (for example, see JP-A-7-82449).
- JP-A-7-82449 does not discuss the effects of higher fatty acids as described above, and the fluororubber composition of JP-A-7-82449 uses hydride as an acid acceptor. Mouth talcite and divalent metal oxides are used, and the resulting molded product has problems such as deterioration of physical properties and surface deterioration.
- An object of the present invention is to provide a fluorine-containing elastomer composition which is flexible and excellent in properties such as fuel barrier properties, heat resistance, “chemical resistance” and oil resistance.
- Another object of the present invention is to provide a molded article, a sealing material, and a fuel hose obtained by crosslinking the fluorine-containing elastomer composition.
- the present invention is a fluorine-containing elastomer composition
- a fluorine-containing elastomer composition comprising a polyol-crosslinkable fluorine-containing elastomer, a polyol-based crosslinking agent and a nodular talcite, which comprises a divalent metal acid salt.
- the present invention relates to a fluorine-containing elastomer composition in which the acid acceptor capable of acting only on the product or hydroxide is 2 parts by weight or less with respect to 100 parts by weight of the fluorine-containing elastomer.
- M 2+ in the general formula (1) is Mg 2+ and / or Zn 2+
- M 3+ is Al 3+
- composition of the fluorine-containing elastomer does not contain a peroxide-based crosslinking agent and / or a peroxide-based crosslinking accelerator.
- the present invention also relates to a molded article, a seal material, and a fuel hose obtained by crosslinking the fluorine-containing elastomer composition.
- the present invention is a fluorine-containing elastomer composition
- a fluorine-containing elastomer composition comprising a polyol-crosslinkable fluorine-containing elastomer, a polyol-based crosslinking agent, and hydrated talcite,
- the present invention relates to a fluorine-containing elastomer composition in which the acid acceptor capable of acting only on a divalent metal oxide or hydroxide is 2 parts by weight or less with respect to 100 parts by weight of the fluorine-containing elastomer.
- M 2+ is a divalent metal ion
- M 3+ is a trivalent metal ion
- X is a number satisfying 0 ⁇ x ⁇ 0.5
- m is a number satisfying 0 ⁇ m. It is more preferable that the compound is a compound represented by
- the hydrated talcite may be a natural product or a synthetic product! /.
- M 2+ represents a divalent metal ion, for example, Mg 2+ , Mn 2+ , Fe 2+ , Co 2+ , Ni 2+ , Cu 2+
- Zn 2+ can be raised.
- Mg 2+ and Z or Zn 2+ are preferred because they are readily available.
- M 3+ represents a trivalent metal ion, and examples thereof include Al 3+ , Fe 3+ , Cr 3+ , Co 3+, and In 3+ .
- Al 3+ is preferable because it is easily available.
- a n — represents an n-valent ion, for example, OH—, F—, Cl—, Br—, NO—, CO 2 —, SO 2 —,
- CO 2 is preferable because it is easily available.
- X is a number satisfying 0 ⁇ x ⁇ 0.5, preferably a number satisfying 0.2 ⁇ x ⁇ 0.4, and a number satisfying 0.2 ⁇ x ⁇ 0.33 It is more preferable. Because X is in this range Preferred, because the generation of Hyde mouth talcite is stable.
- m is a number that satisfies 0 ⁇ m, and preferably a number that satisfies 0 ⁇ m ⁇ 1.
- Hyde mouth talcites are non-stoichiometric compounds represented by the general formula (1). Among these, Mg Al (OH) CO ⁇ 4 ⁇ 0, Mg Al (OH ) CO ⁇ ⁇
- the amount of added talcite-containing talcite is a fluorine-containing elastomer capable of polyol crosslinking.
- 0.1 to 30 parts by weight is preferable with respect to 100 parts by weight 0.1 to 10 parts by weight is more preferable 0.1 to 6 parts by weight is even more preferable . If the amount of talcite added is less than 0.1 part by weight, the crosslinking time tends to increase or the degree of crosslinking tends to decrease, and if it exceeds 30 parts by weight, it becomes difficult to knead the rubber, There is a tendency that the hardness increases, the mu-one viscosity of the fluorine-containing elastomer composition increases, and the molding tends to be ⁇ .
- the hydrated talcite used in the present invention functions as an acid acceptor.
- a divalent metal oxide or hydroxide is effective.
- the acid-accepting agent is 2 parts by weight or less with respect to 100 parts by weight of the fluorine-containing elastomer, preferably 1.5 parts by weight or less, and more preferably 0 parts by weight or less. It is particularly preferable that the amount is not more preferably 5 parts by weight or less. If there is a problem such as a slow vulcanization rate, an acid acceptor consisting only of a divalent metal oxide or hydroxide may be mixed as long as it is 2 parts by weight or less.
- the obtained molded product may swell and deteriorate. Therefore, it is preferable to avoid mixing as much as possible. If the acid acceptor comprising a divalent metal oxide or hydroxide exceeds 2 parts by weight, the resulting molded product, sealing material, and fuel hose will swell, resulting in deterioration of physical properties and surface deterioration. I do not like it.
- Examples of the divalent metal include magnesium, calcium, norlium, lead, and zinc.
- Examples of the divalent metal oxide or hydroxide include, for example, calcium hydroxide.
- Acid Examples thereof include gnesium, magnesium hydroxide, calcium carbonate, zinc oxide, zinc hydroxide, and acidic lead.
- composition of the present invention When the composition of the present invention is used, swelling of the resulting molded article, sealing material, and fuel hose, and deterioration of physical properties and surface deterioration can be suppressed.
- the polyol-crosslinkable fluorine-containing elastomer used in the present invention may be a fluororubber having a polyol-crosslinkable site.
- the site capable of crosslinking with polyol include a site having a vinylidene fluoride (VdF) unit. Of these, fluororubber containing VdF units is preferred.
- perfluoro fluorine-containing rubbers among the constitutional units, refers to the 90 mole 0/0 or consisting par full O b monomer
- Non-perfluoro fluorine rubber ( a ) includes VdF fluorine rubber, tetrafluoroethylene (TFE) Z propylene fluorine rubber, TFEZ propylene ZVdF fluorine rubber, ethylene Z hexafluoropropylene (HFP ) -Based fluoro rubber, ethylene ZHFPZVdF-based fluoro rubber, ethylene ZHFPZTFE-based fluoro rubber, fluorosilicone-based fluoro rubber, fluorophosphazene-based fluoro rubber, and the like. Can be used in any combination as long as they are not impaired.
- VdF-based fluororubber those represented by the following general formula (2) are preferable.
- the structural unit M 1 is a structural unit derived from berylidene fluoride (m 1 )
- the structural unit M 2 is a structural unit derived from a fluorine-containing ethylenic monomer (m 2 ).
- N 1 is a repeating unit derived from monomer (m 1 ) and monomer (n 1 ) copolymerizable with monomer (m 2 )
- the structural unit M 1 30 to 85 mole 0/0, preferably from preferably those comprising structural units M 2 55-15 mol% instrument the structural unit M 1 50 to 80 mol%, the structural unit M 2 50 to 20 mol%.
- the structural unit N 1 is preferably 0 to 20 mol% with respect to the total amount of the structural unit M 1 and the structural unit M 2 .
- the fluorine-containing ethylenic monomer (m 2 ) one or more monomers can be used.
- TFE black trifluoroethylene
- CTFE black trifluoroethylene
- HFP trifluoroethylene propylene
- tetrafluoropropylene pentafluoropropylene
- trifluorochlorobutene tetrafluoroisobutene
- fluorinated monomers such as fluorinated monomers, and the like.
- TFE, HFP, and PAVE are preferable.
- any monomer can be used as long as it is copolymerizable with the monomer (m 1 ) and the monomer (m 2 ).
- ethylene, propylene, alkyl Examples include butyl ether and a monomer that gives a crosslinking site.
- CY 1 CY 1 -R 1 CHR 1 X 1 (3)
- Y 1 represents a hydrogen atom, fluorine atom or —CH
- R 1 represents a fluoroalkylene group
- R 1 is hydrogen atom or CH
- X 1 is iodine atom or bromine atom
- p is an integer of 1 to L0
- examples thereof include perfluorocarbons as described in JP-B-5-63482 and JP-A-7-316234.
- Iodine-containing monomers such as (6, 6-dihydro-1 6-oxo 1-hexene) and perfluoro (5 3 3-oxa 1 pentene)
- CF CFOCF CF CH described in JP-A-4-217936
- I-containing monomers such as I, described in JP-A-61-55138
- VdF fluorororubber examples include VdFZHFP rubber, VdFZHFP ZTFE rubber, VdFZCTFE rubber, VdFZCTFEZTFE rubber, and the like.
- the TFEZ propylene-based fluororubber is preferably represented by the following general formula (6)! / ⁇
- the structural unit M 3 is a structural unit derived from TFE (m 3 )
- the structural unit M 4 is a structural unit derived from propylene (m 4 )
- the structural unit N 2 is a monomer (m 3 )
- the structural unit M 3 40 to 70 mole 0/0 preferably from preferably those comprising structural units M 4 60 to 30 mol% instrument the structural unit M 3 and 50 to 60 mole 0/0, in which the structural unit M 4 including 50 to 40 mol 0/0.
- the structural unit N 2 is preferably 0 to 40 mol% with respect to the total amount of the structural unit M 3 and the structural unit M 4 .
- any monomer can be used as long as it is copolymerizable with the monomer (m 3 ) and the monomer (m 4 ). It is preferable that Examples include VdF and ethylene.
- structural unit M 5 is a structural unit derived from tetrafluoroethylene (m 5 )
- structural unit M 6 is derived from perfluoro (alkyl butyl ether) or perfluoro (alkoxy butyl ether) (m 6 ).
- a structural unit, and the structural unit N 3 is a repeating unit derived from the monomer (m 5 ) and the monomer (n 6 ) copolymerizable with the monomer (m 6 )
- Formula (7) Among the perfluoro fluorine-containing rubbers (b) represented by the structural unit M 5 50 to 9 0 mol%, preferably those of the structural unit M 6 comprising 10 to 50 mole 0/0 Guyori preferably structural units M 5 50 to 80 mole 0/0, in which the structural unit M 6 comprising 20 to 50 mole 0/0.
- perfluoro (alkyl butyl ether) examples include perfluoro (methyl butyl ether) and perfluoro (propyl butyl ether). These may be used alone or in any combination. Can do.
- the Pafuruoro (alkoxy Bulle ether) (m 6), can be used a monomer, for example, JP-61- 22 3007 JP.
- the monomer (n 3 ) as long as it is copolymerizable with the monomer (m 5 ) and the monomer (m 6 )! However, monomers that give cross-linking sites are preferred.
- Monomer bromine-containing monomer described in JP-A-4 505341, cyano-group-containing monomer as described in JP-A-4 505345, JP-A-5-500070, carboxyl Group-containing monomers and alkoxycarbo group-containing monomers. These can be used alone or in any combination.
- the iodine atom, bromine atom, vinyl group, cyano group, carboxyl group, and alkoxycarbonyl group can function as a crosslinking point.
- strong perfluorinated rubber examples include International Publication No. 97Z24381 Nonfret, Japanese Patent Publication No. 61-57324, Japanese Patent Publication No. 4-81608, Japanese Patent Publication No. 5-13 961, etc. And fluororubber described in the above.
- the fluorine-crosslinkable elastomer that can be cross-linked with polyol is a fluororubber that has VdF and at least one other fluorine-containing monomer power, regardless of whether it is non-perfluorofluoro rubber or perfluoro fluororubber.
- at least one kind of rubber selected from VdF / HFP fluorine rubber, VdFZTFEZHFP fluorine rubber, and VdFZTFEZPAVE fluorine rubber is preferred.
- the non-perfluorofluoro rubber (a) and the perfluorofluoro rubber (b) described above can be produced by a conventional method, but the obtained polymer has a narrow molecular weight distribution and can be easily controlled in molecular weight.
- a known iodine transfer polymerization method is preferable as a method for producing fluororubber. For example, radical initiation with stirring of the ethylenic monomer and, if necessary, a monomer that provides a crosslinking site, under pressure, in the presence of an iodine compound, preferably a diiodine compound, in the absence of oxygen.
- the method include emulsion polymerization in an aqueous medium or solution polymerization in the presence of an agent.
- the iodine compound to be used for example, the general formula (8):
- X and y are each an integer of 0 to 2 and satisfy l ⁇ x + y ⁇ 2, and R 2 is a saturated or unsaturated fluorohydrocarbon group having 1 to 16 carbon atoms. Or a chlorofluorocarbon group or a hydrocarbon group having 1 to 3 carbon atoms, which may contain an oxygen atom).
- An iodine atom or a bromine atom is introduced into the terminal of the fluororubber obtained by using such an iodine compound.
- Examples of the compound represented by the general formula (8) include 1,3 jodo perfluoropropan, 1,3 jodo 2 black mouth perfluoropropane, 1,4 jodo perfluoro Butane, 1, 5 Jodo 2, 4 Dichro mouth perfluoropentane, 1, 6 Jodhpur fluor mouth hexane, 1, 8 Jodh per fluoroctane, 1, 12 Jodh per fluor decane, 1, 16 Jodh per ful Hexadecane, Jodomethane, 1, 2 Jodoethane, 1, 3 Jodo, n-propane, CF Br, BrCF CF Br ⁇ CF CFBrCF
- the radical polymerization initiator used in the present invention may be the same as that conventionally used for the polymerization of a fluorine-containing elastomer.
- These initiators include organic and inorganic peroxides and azo compounds.
- Typical initiators include persulfates, peroxidative power carbonates, peroxyesters, and the like.
- Preferred initiators include ammonium persulfate (APS). APS can be used alone or in combination with a reducing agent such as sulfite or sulfite.
- a wide range of emulsifiers can be used for the emulsion polymerization. From the viewpoint of suppressing the chain transfer reaction to the emulsifier molecule that occurs during the polymerization, a fluorocarbon chain or a fluoropolyether chain is used. Desirable salts of carboxylic acids.
- the amount of the emulsifier used is preferably about 0.005 to 2% by weight of the added water, especially 0.01 to 5% by weight.
- the monomer mixed gas used in the present invention is the same as that of G. H. Kalb et al., Advances in Chemistry Series., 129, 13 (197
- the polymerization pressure can be varied within a wide range. Generally, it is in the range of 0.5-7 MPa. The higher the polymerization pressure, the higher the polymerization rate. From the viewpoint of improving productivity,
- It is preferably 8 MPa or more.
- the amount of the compound represented by the general formula (8) may be appropriately changed in order to adjust the molecular weight of the fluorine-containing elastomer, but the total weight of the resulting fluorine-containing elastomer is not limited.
- the amount of 0. may be a 0001-15 weight 0/0.
- polyol-based cross-linking agent used in the present invention a compound conventionally known as a cross-linking agent for fluorine-containing elastomers can be used.
- a polyhydroxy compound particularly, heat resistance can be used.
- a polyhydroxy aromatic compound is preferably used because of its excellent point.
- Cross-linking by a polyol cross-linking system is preferable in that it has a carbon-oxygen bond at the cross-linking point, has a small compression set, a good moldability, and an excellent sealing property.
- the polyhydroxy aromatic compound is not particularly limited. For example, 2, 2 bis (4 hydroxyphenol) propane (hereinafter referred to as bisphenol A), 2, 2 bis (4 hydroxyphenol).
- polyhydroxy aromatic compounds may be alkali metal salts, alkaline earth metal salts, and the like, but when the fluorine-containing elastomer is used with an acid, the above metal salts are not used as a crosslinking agent. It is preferable. Of these, bisphenol AF is preferred because of its excellent heat resistance in the resulting molded products!
- a crosslinking accelerator is usually used in combination with the polyol crosslinking agent.
- the crosslinking reaction can be promoted by promoting the formation of an intramolecular double bond in the dehydrofluorination reaction of the fluorine-containing elastomer main chain.
- the cross-linking accelerator of the polyol cross-linking system generally an organic compound is used.
- the onium compound is not particularly limited, and examples thereof include an ammonium compound such as a quaternary ammonium salt, a phosphonium compound such as a quaternary phosphonium salt, an oxonium compound, a sulfoneum compound, a cyclic amine, Examples include monofunctional amine compounds, among which quaternary ammonium salts and quaternary phosphonium salts are preferred.
- the quaternary ammonium salt is not particularly limited.
- DBU-B is preferable from the viewpoint of the crosslinkability and the physical properties of the cross-linked product.
- the quaternary phospho-um salt is not particularly limited, and examples thereof include tetrabutyl phospho-um chloride, benzyl triphenyl phospho-um chloride (hereinafter referred to as BTPPC), benzyl trimethyl phospho-um chloride, Examples thereof include benzyltributylphosphomethylene chloride, tributylarylphosphonium chloride, tributyl-2-methoxypropylphosphonium chloride, and benzylphenol (dimethylamino) phosphonium chloride.
- BTPPC benzyltriphenylphospho-muchloride
- crosslinking accelerator a quaternary ammonium salt, a solid solution of a quaternary phosphonium salt and bisphenol AF, a chlorine-free crosslinking disclosed in JP-A-11-147891 Accelerators can also be used.
- the addition amount of the polyol-based crosslinking agent is preferably 0.01 to 5 parts by weight, more preferably 0.1 to 4 parts by weight with respect to 100 parts by weight of the fluorine-containing elastomer capable of polyol crosslinking. Part, more preferably 0.1 to 3 parts by weight. If the crosslinking agent is less than 0.01 parts by weight, crosslinking of the fluorine-containing elastomer does not proceed sufficiently, and the heat resistance and oil resistance of the resulting fluorine-containing elastomer composition tend to decrease. Exceeding parts by weight tends to lower the moldability of the resulting fluorine-containing elastomer composition.
- the addition amount of the crosslinking accelerator is preferably 0.01 to 5 parts by weight, more preferably 0.01 to 3 parts by weight with respect to 100 parts by weight of the fluorine-containing elastomer capable of crosslinking with polyol. More preferably, the content is 0.01 to 2 parts by weight. If the crosslinking accelerator is less than 0.01 parts by weight, the crosslinking of the fluorine-containing elastomer does not proceed sufficiently, and the heat resistance and oil resistance of the resulting fluorine-containing elastomer composition tend to decrease, If it exceeds 5 parts by weight, the moldability and physical properties of the resulting fluorine-containing elastomer composition tend to be lowered.
- a polyamine-based crosslinking agent or the like that is usually used as a crosslinking agent for fluorine-containing elastomers may be used in combination with the polyol-based crosslinking agent, swelling due to biodiesel fuel can be suppressed. From the point of view, it is preferable not to include a peroxide-based crosslinking agent.
- additives that are blended into the fluorine-containing elastomer composition as necessary, for example, fillers, processing aids, plasticizers, colorants, stabilizers, adhesion aids, mold release agents, Various additives such as conductivity imparting agent, thermal conductivity imparting agent, surface non-adhesive agent, flexibility imparting agent, heat resistance improving agent, flame retardant, etc. can be blended, and conventional crosslinking agents different from those mentioned above One or more crosslinking accelerators may be added.
- the fluorine-containing elastomer composition generally uses a fluorine-containing elastomer, a polyol-based crosslinking agent, a silicone, an id-talcite, and, if necessary, other compounding agents such as a crosslinking accelerator and a filler. It is obtained by kneading using a rubber kneading apparatus. As the rubber kneading device, a roll, an ader, a Banbury mixer, an internal mixer, a twin screw extruder, or the like can be used.
- the crosslinking agent 'crosslinking accelerator has a relatively high melting point and is often dispersed uniformly in the rubber.
- a closed type kneading device such as a mixer at a high temperature of 120 to 200 ° C, and then kneading other ingredients such as fillers at a relatively low temperature below this. Is preferable.
- a method of uniformly dispersing using a solid solution in which a crosslinking agent and a crosslinking accelerator are once melted to cause a melting point drop.
- the present invention relates to a molded article, a sealant, and a fuel hose obtained by crosslinking the fluorine-containing elastomer composition.
- the crosslinking conditions may be appropriately determined depending on the type of the crosslinking agent used, etc.
- crosslinking method not only a conventionally used method such as steam crosslinking, but also under normal pressure, increased pressure, reduced pressure, and in air, under any conditions.
- the molded article of the present invention includes a laminated structure having a layer containing a crosslinked product of the fluorine-containing elastomer composition of the present invention and a layer containing another material.
- an appropriate material may be selected in accordance with required characteristics and intended use.
- the other material include polyolefin (eg, high density polyethylene).
- thermoplastic vinylidene resin PVDC
- ethylene-propylene-gen rubber EPDM
- butyl rubber -tolyl rubber
- silicone rubber acrylic rubber, epoxy hydrin rubber, styrene butadiene rubber, etc.
- thermoplastic elastomers such as crosslinked rubber and polypropylene ZEP DM composite, metal, glass, wood, and ceramic.
- an adhesive layer may be interposed between the layer containing the cross-linked product of the fluorine-containing elastomer composition of the present invention and the base material layer containing another material. ! ⁇ .
- Adhesives used in the adhesive layer include acid anhydride modified products of gen-based polymers; acid anhydride modified products of polyolefins; high molecular polyols (eg, glycol glycols such as ethylene glycol and propylene glycol).
- a known method such as co-extrusion, co-injection or extrusion coating can be used.
- the present invention includes a fuel hose using a single layer of the crosslinked product of the fluorine-containing elastomer composition of the present invention.
- the present invention includes a multilayer fuel hose having a layer containing a crosslinked product of the fluorine-containing elastomer composition of the present invention.
- the multilayer fuel hose or multilayer fuel container includes a layer containing a cross-linked product of the fluorine-containing elastomer composition of the present invention and at least one layer containing other materials, and these layers are adhesive layers. They are bonded to each other with or without intervening.
- Examples of the layer containing other materials include a layer containing rubber other than the cross-linked product of the fluorine-containing elastomer composition of the present invention and a layer containing thermoplastic resin.
- the rubber from the viewpoint of chemical resistance and flexibility, acrylonitrile-butadiene rubber or hydrogenated rubber thereof, blend rubber of acrylonitrile-butadiene rubber and polyvinyl chloride, and epichlorohydrin rubber EPDM, acrylic rubber, ethylene acrylic rubber, and rubber having at least one kind selected from the group consisting of styrene butadiene rubber, acrylonitrile butadiene rubber or hydrogenated rubber thereof, acrylonitrile butadiene rubber and polyvinyl chloride vinyl. More preferably, it also has at least one rubber strength selected from the group consisting of the blended rubber and the epichlorohydrin rubber strength.
- thermoplastic resin from the viewpoint of fuel barrier properties, fluorine resin, polyamide-based resin, polyolefin-based resin, polyester-based resin, polybulualcohol-based resin, polysalt resin Fluorine resin, polyamide resin, polybutyl alcohol resin, polyphenylene sulfide resin, which preferably has at least one thermoplastic resin selected from the group consisting of bur resin and polyphenylene sulfide resin More preferred is a thermoplastic rosin having at least one strength selected from the group consisting of fats.
- Fuel hoses such as filler hoses, evaporative hoses, and breather hoses for automobiles; fuel containers for automobiles, fuel containers for motorcycles, fuel containers for small generators, and fuel containers for lawn mowers.
- the multilayer fuel hose having the innermost layer containing a cross-linked product of the fluorine-containing elastomer composition of the present invention and a layer containing other rubber includes acrylonitrile monobutadiene rubber or its hydrogenated rubber, or acrylonitrile.
- a blend rubber of a butadiene rubber and a polysalt rubber, or a layer containing an epichlorohydrin rubber (for example, an intermediate layer or an outermost layer), and an innermost layer containing a crosslinked product of the fluorine-containing elastomer composition of the present invention A three-layer fuel hose, or an outer layer containing acrylonitrile-butadiene rubber or hydrogenated rubber thereof, a blend rubber of acrylonitrile-butadiene rubber and polychlorinated bur, or epoxychlorohydrin rubber, and the present invention It is composed of two layers of the inner layer containing the cross-linked product of the fluorine-containing elastomer composition
- the fuel hose used is excellent in terms of excellent fuel barrier properties' flexibility • chemical resistance ⁇ .
- the fluorine-containing elastomer composition of the present invention is used as necessary.
- Surface treatment may be performed on the layer containing the crosslinked product.
- the surface treatment is not particularly limited as long as it is a treatment method that enables adhesion.
- discharge treatment such as plasma discharge treatment or corona discharge treatment, wet metal sodium Z naphthalene solution Processing.
- a primer treatment is also suitable as the surface treatment. Primer treatment can be performed according to a conventional method. When the primer treatment is performed, the surface treatment is possible! /, NA!
- the surface of the layer containing the cross-linked product of the fluorine-containing elastomer composition can be primed, but plasma discharge treatment, corona discharge treatment, metal It is more effective to perform primer treatment on the surface of the layer containing the cross-linked product of the fluorine-containing elastomer composition, which has been previously treated with sodium Z-naphthalene solution.
- the fluorine-containing elastomer composition of the present invention and a molded article using the composition are, for example, a semiconductor manufacturing apparatus, a liquid crystal panel manufacturing apparatus, a plasma panel manufacturing apparatus, a plasma address liquid crystal panel, and a field emission display panel.
- Semiconductor fields such as solar cell substrates; Automotive field; Aircraft field; Rocket field; Ship field; Chemicals such as plants
- Field Pharmaceutical field such as pharmaceuticals; Photo field such as developing machine; Printing field such as printing machine; Painting field such as painting equipment; Analysis ⁇ Science and chemistry machine field; Food plant equipment field; Nuclear power plant equipment field; Can be suitably used in fields such as the steel field; general industrial field; electrical field; fuel cell field, etc., but among these, it can be used more suitably in the automobile field, the aircraft field, the rocket field, and the ship field. it can.
- it is useful as various coating compositions and painted articles.
- gaskets, shaft seals, valve stem seals, sealing materials and hoses can be used for engines and peripheral devices, and hoses and sealing materials can be used for AT devices. Rings, tubes, packings, valve cores, hoses, seals and diaphragms can be used in fuel systems and peripheral devices.
- biodiesel fuel is a mixture containing light oils, higher fatty acid esters, and Z or higher fatty acids.
- Kneading method Roll kneading
- Vulcanization conditions 45 minutes at 160 ° C
- the molded product of the fluorine-containing elastomer composition produced in Examples and Comparative Examples was cut into 2 cm ⁇ 4 cm (thickness: 2 mm) to prepare test pieces.
- the swelling rate and surface condition when the test piece was immersed in this at 330C for 330 hours were evaluated. Immersion test and calculation of swelling rate «Based on JIS-K6258, the surface condition was visually evaluated based on the following criteria.
- VdF binary fluorinated elastomer one
- a ternary fluorine-containing elastomer composed of peroxide vulcanizable VdF, TFE and HFP manufactured by a known method, which is an iodine transfer polymerization method (VdF: TFE: HFP 50: 20:30 (mol%))
- Hyde mouth talcite l Mg Al (OH) CO 4 ⁇ O (Kyowa Chemical Industry Co., Ltd., DHT-6)
- Hyde mouth talcite 2 Mg Al (OH) CO ⁇ 3.5H O [(Kyowa Chemical Industry Co., Ltd., DHT
- Hyde mouth talcite 3 Mg Al (OH) CO ⁇ AH O: (Kyowa Chemical Industry Co., Ltd., DHT—
- Kiyo Ichigo Mug 150 manufactured by Kyowa Chemical Industry Co., Ltd.
- Polyol crosslinking agent Bisphenol AF
- Peroxide-based crosslinking agent Perhexa 25B (manufactured by NOF Corporation)
- Peroxide crosslinking accelerator triallyl isocyanurate (TAIC) (manufactured by Nihon Kosei Co., Ltd.)
- Carbon black N774 Seest S (manufactured by Tokai Carbon Co., Ltd.)
- Carbon black N990 Thermax MT (manufactured by Cancarb)
- the polyol-based crosslinking agent bisphenol AF 1.3 parts by weight and the crosslinking accelerator DBU-B 0.15 parts by weight are kneaded in an 8-inch two-roll. Subsequently, 8 inches 2 containing 3 parts by weight of the above-mentioned Hyde mouth talcite 1 (DHT-6: manufactured by Kyowa Chemical Industry Co., Ltd.) and 13 parts by weight of carbon black N774 (Seast S: manufactured by Tokai Carbon Co., Ltd.) Using this roll, it was kneaded at 20 to 70 ° C. by a usual method. This was aged at 25 ° C. for about 20 hours and kneaded again with the same roll machine to prepare a fluorine-containing elastomer composition.
- DHT-6 manufactured by Kyowa Chemical Industry Co., Ltd.
- carbon black N774 Seast S: manufactured by Tokai Carbon Co., Ltd.
- Table 2 shows the results of measurement of vulcanization characteristics and normal physical properties and immersion tests using the obtained fluorine-containing elastomer composition by the methods described above.
- a fluorine-containing elastomer composition was produced in the same manner as in Example 1 except that the composition of the fluorine-containing elastomer composition was as shown in Table 1.
- Table 2 shows the results of measurement of vulcanization characteristics and normal physical properties and immersion tests using the obtained fluorine-containing elastomer composition by the methods described above.
- the fluorine-containing elastomer composition of the present invention can provide a molded article having excellent properties such as flexibility, fuel barrier property, heat resistance, “chemical resistance” and oil resistance by including hydrated talcite. I'll do it.
Abstract
Description
Claims
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AT07743535T ATE550384T1 (de) | 2006-05-19 | 2007-05-17 | Formkörper mit einer fluorelastomerzusammensetzung |
US12/301,555 US8822002B2 (en) | 2006-05-19 | 2007-05-17 | Fluorine-containing elastomer composition and molded article comprising the same |
JP2008516634A JP5218048B2 (ja) | 2006-05-19 | 2007-05-17 | 含フッ素エラストマー組成物および該組成物からなる成形品 |
CN200780018076.5A CN101448895B (zh) | 2006-05-19 | 2007-05-17 | 含氟弹性体组合物和由该组合物构成的成型品 |
EP07743535A EP2019127B1 (en) | 2006-05-19 | 2007-05-17 | Molded article comprising a fluoroelastomer composition |
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US (1) | US8822002B2 (ja) |
EP (1) | EP2019127B1 (ja) |
JP (2) | JP5218048B2 (ja) |
CN (2) | CN102660094B (ja) |
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US20090263603A1 (en) * | 2006-05-19 | 2009-10-22 | Daikin Industries, Ltd | Fluorine-containing elastomer composition and molded article comprising the same |
JP5600586B2 (ja) * | 2008-02-29 | 2014-10-01 | 株式会社クラレ | 燃料容器 |
JP2010024339A (ja) * | 2008-07-18 | 2010-02-04 | Daikin Ind Ltd | 含フッ素エラストマー組成物およびそれからなる成形品 |
JP2011522921A (ja) * | 2008-07-18 | 2011-08-04 | ダイキン工業株式会社 | 含フッ素エラストマー組成物およびそれからなる成形品 |
JP2012524156A (ja) * | 2009-04-14 | 2012-10-11 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | バイオディーゼル燃料に接触するフッ素ゴム製品を有する燃料管理システム |
US9403954B2 (en) | 2012-01-20 | 2016-08-02 | Daikin Industries, Ltd. | Fluororubber composition and method for producing same |
US11898661B2 (en) | 2012-02-24 | 2024-02-13 | Daikin Industries, Ltd. | Fluororubber composition |
US9499678B2 (en) | 2012-02-24 | 2016-11-22 | Daikin Industries, Ltd. | Fluororubber composition |
US9976016B2 (en) | 2012-02-24 | 2018-05-22 | Daikin Industries, Ltd. | Fluororubber composition |
US10294344B2 (en) | 2013-12-09 | 2019-05-21 | 3M Innovative Properties Company | Fluoroelastomer component for contacting ammonia and/or urea |
JP2017500397A (ja) * | 2013-12-09 | 2017-01-05 | スリーエム イノベイティブ プロパティズ カンパニー | アンモニアおよび/または尿素接触向けのフルオロエラストマー構成要素 |
JPWO2015122537A1 (ja) * | 2014-02-17 | 2017-03-30 | ダイキン工業株式会社 | 成形体 |
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JP2020517776A (ja) * | 2017-04-21 | 2020-06-18 | ソルベイ スペシャルティ ポリマーズ イタリー エス.ピー.エー. | 硫黄含有の芳香族ポリマー及びフルオロエラストマーを含むポリマーアロイ |
JP7237849B2 (ja) | 2017-04-21 | 2023-03-13 | ソルベイ スペシャルティ ポリマーズ イタリー エス.ピー.エー. | 硫黄含有の芳香族ポリマー及びフルオロエラストマーを含むポリマーアロイ |
WO2020091034A1 (ja) * | 2018-11-02 | 2020-05-07 | ダイキン工業株式会社 | フッ素ゴム組成物および成形品 |
JPWO2020091034A1 (ja) * | 2018-11-02 | 2021-09-30 | ダイキン工業株式会社 | フッ素ゴム組成物および成形品 |
JP7032682B2 (ja) | 2018-11-02 | 2022-03-09 | ダイキン工業株式会社 | フッ素ゴム組成物および成形品 |
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JP2013064157A (ja) | 2013-04-11 |
CN101448895A (zh) | 2009-06-03 |
US20090263603A1 (en) | 2009-10-22 |
CN102660094B (zh) | 2015-03-25 |
CN102660094A (zh) | 2012-09-12 |
JP5652469B2 (ja) | 2015-01-14 |
JP5218048B2 (ja) | 2013-06-26 |
EP2019127A1 (en) | 2009-01-28 |
JPWO2007135937A1 (ja) | 2009-10-01 |
EP2019127B1 (en) | 2012-03-21 |
ATE550384T1 (de) | 2012-04-15 |
US8822002B2 (en) | 2014-09-02 |
EP2019127A4 (en) | 2010-11-24 |
CN101448895B (zh) | 2012-06-20 |
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