WO2024005130A1 - フッ素ゴム組成物 - Google Patents
フッ素ゴム組成物 Download PDFInfo
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- WO2024005130A1 WO2024005130A1 PCT/JP2023/024146 JP2023024146W WO2024005130A1 WO 2024005130 A1 WO2024005130 A1 WO 2024005130A1 JP 2023024146 W JP2023024146 W JP 2023024146W WO 2024005130 A1 WO2024005130 A1 WO 2024005130A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluororubber
- weight
- crosslinked product
- parts
- fluororubber composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- 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
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
-
- 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
- C08K2003/267—Magnesium carbonate
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
-
- 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
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/02—Inorganic compounds
- C09K2200/0239—Oxides, hydroxides, carbonates
-
- 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
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09K2200/0635—Halogen-containing polymers, e.g. PVC
- C09K2200/0637—Fluoro-containing polymers, e.g. PTFE
Definitions
- the present invention relates to a fluororubber composition. More specifically, the present invention relates to a fluororubber composition suitably used as a material for molding seal members used in food manufacturing equipment and the like.
- sealing members In the field of food manufacturing equipment, the functions required of sealing members include heat resistance, water resistance, oil resistance, etc., as well as compliance with various laws and regulations such as the Water Supply Act and the Food Sanitation Act.
- the members are made of fluororubber.
- Patent Documents 1 and 2 propose O-rings for food processing plants to which a metal oxide (black iron oxide) is added.
- a metal oxide black iron oxide
- Patent Documents 1 and 2 propose O-rings for food processing plants to which a metal oxide (black iron oxide) is added.
- a metal oxide black iron oxide
- O-rings used in food manufacturing equipment are made of rubber material that can be detected by metal detectors even in minute pieces, and the O-rings also have excellent compression set resistance, which is related to product life. It is hoped that there will be.
- the purpose of the present invention is to provide a fluororubber composition that can be detected by a metal detector even if minute rubber pieces are mixed in in production equipment such as food production lines, and has excellent compression set resistance. It's about doing.
- This object of the present invention is achieved by a fluororubber composition in which triiron tetroxide having a BET specific surface area of 4.0 m 2 /g or less is blended with fluororubber in a volume fraction of 7.0 vol % or more.
- the crosslinked product obtained from the fluororubber composition according to the present invention has the advantage that even minute particles, specifically 1 mm or less, can be detected with a metal detector, and it also has excellent compression set resistance. play.
- fluororubber either polyol-vulcanizable fluorororubber or peroxide-crosslinkable fluororubber can be used, but peroxide-crosslinkable fluororubber is preferably used.
- examples include homopolymers and alternating copolymers of esters, perfluoro(methyl vinyl ether), perfluoro(ethyl vinyl ether), perfluoro(propyl vinyl ether), and copolymers of these with propylene, preferably vinylidene fluoride.
- peroxide crosslinkable fluorororubber has a fluorine content of 63 to 71% by weight, a Mooney viscosity ML 1+10 (121°C) of 20 to 100, and has a crosslinking site.
- Any fluorine-containing elastomer containing iodine and/or bromine in the molecule can be used, but preferably the following copolymer elastomer is used.
- CF 2 CFORf (Rf: a perfluoroalkyl group having 1 to 10 carbon atoms, preferably a perfluoromethyl group, or one or more ether bonds in the carbon chain)
- Rf a perfluoroalkyl group having 1 to 10 carbon atoms, preferably a perfluoromethyl group, or one or more ether bonds in the carbon chain
- An iodine group and/or a bromine group is added to a copolymer elastomer having a copolymer composition of about 5 to 50 mol% of perfluorovinyl ether represented by a perfluorooxyalkyl group (having a perfluorooxyalkyl group) and about 50 to 0 mol% of tetrafluoroethylene.
- Introduction of an iodine group and/or a bromine group that enables peroxide crosslinking of fluororubber can be carried out by a copolymerization reaction in the presence of a saturated or unsaturated compound containing an iodine group and/or a bromine group.
- a bromine group and/or an iodine group as a side chain of the fluorine-containing copolymer, for example, perfluoro(2-bromoethyl vinyl ether), 3,3,4,4,-tetrafluoro-4-bromo-1-butene , 2-bromo-1,1-difluoroethylene, bromotrifluoroethylene, perfluoro(2-iodoethyl vinyl ether), and iodotrifluoroethylene.
- n 1 to 6
- a crosslinking point can be introduced at the end of the fluorine-containing copolymer.
- examples of such compounds include 1-bromo-2-iodotetrafluoroethane, 1-bromo-3-iodoperfluoropropane, 1-bromo-4-iodoperfluorobutane, 2-bromo-3-iodoperfluorobutane, Monobromo monoiodo perfluoropentane, monobromo monoiodo perfluoro-n-hexane, 1,2-dibromoperfluoroethane, 1,3-dibromoperfluoropropane, 1,4-dibromoperfluorobutane, 1,5- Dibromoperfluoropentane, 1,6-dibromoperfluorohexane, 1,2-diiodoperfluoroethane, 1,
- the fluororubber contains triiron tetroxide Fe 3 O 4 with a BET specific surface area of 4.0 m 2 /g or less, preferably 3.0 m 2 /g or less, more preferably 2.5 m 2 /g or less, and a volume fraction of 7.0. It is blended in a proportion of vol% or more, preferably 8.0vol% or more.
- the cross-linked material obtained by such a composition is 1 mm in size using a metal detector ND-840 manufactured by Nissin Electronics Industry under the conditions of detection sensitivity (Fe: ⁇ 0.6, stainless steel SUS: ⁇ 1.5). It is now possible to detect fragments, and the compression set after 70 hours at 175°C using an O-ring is less than 21%.
- the volume fraction is calculated taking into consideration the specific gravity of the fluororubber and Fe 3 O 4 used.
- a polyol-curable fluororubber When a polyol-curable fluorororubber is used as the fluororubber, a polyol-based vulcanizing agent is preferably used together with a vulcanization accelerator, and when a peroxide-crosslinkable fluororubber is used as the fluororubber.
- Organic peroxide crosslinking agents are used, preferably in conjunction with polyfunctional unsaturated compounds.
- polyol-based vulcanizing agents used as vulcanizing agents for polyol-curable fluororubber include 2,2-bis(4-hydroxyphenyl)propane [bisphenol A] and 2,2-bis(4-hydroxyphenyl). ) perfluoropropane [bisphenol AF], bis(4-hydroxyphenyl) sulfone [bisphenol S], 2,2-bis(4-hydroxyphenyl)methane [bisphenol F], bisphenol A-bis(diphenyl phosphate), 4, Examples include 4'-dihydroxydiphenyl, 2,2-bis(4-hydroxyphenyl)butane, and preferably bisphenol A, bisphenol AF, and the like.
- polyol-based vulcanizing agents are generally used in an amount of about 2 to 20 parts by weight, preferably about 2.5 to 15 parts by weight, per 100 parts by weight of the polyol-vulcanizable fluororubber. Moreover, the polyol-based vulcanizing agent is also used as a masterbatch with fluororubber.
- a quaternary onium salt which is a quaternary phosphonium salt or a quaternary ammonium salt, is used, and a quaternary phosphonium salt is preferably used.
- These quaternary onium salts are used in an amount of about 0.5 to 10 parts by weight, preferably about 1 to 5 parts by weight, per 100 parts by weight of polyol-vulcanizable fluororubber.
- the vulcanization accelerator is also used as a masterbatch with fluororubber.
- a quaternary phosphonium salt is a compound represented by the following general formula.
- X - Cl - , Br - , I - , HSO 4 Anions such as - , H 2 PO 4 - , RCOO 2 - , ROSO 2 - , CO 3 2- , etc.
- tetraphenylphosphonium chloride, benzyltriphenylphosphonium bromide, benzyltriphenylphosphonium chloride, triphenylmethoxymethylphosphonium chloride , triphenylmethylcarbonylmethylphosphonium chloride, triphenylethoxycarbonylmethylphosphonium chloride, trioctylbenzylphosphonium chloride, trioctylmethylphosphonium chloride, trioctylethylphosphonium acetate, tetraoctylphosphonium chloride, trioctylethylphosphonium dimethylphosphate, etc. are used.
- the quaternary phosphonium salt may also be an equimolar compound with an active hydrogen-containing aromatic compound such as a polyhydroxy aromatic compound.
- the quaternary ammonium salt has the general formula [NR 1 R 2 R 3 R 4 ] + X - (wherein R 1 to R 4 and X - are the same as above), such as 1-alkylpyridinium salt, 5-aralkyl-1,5-diazabicyclo[4,3,0]-5 -nonenium salt, 8-aralkyl-1,8-diazabicyclo[5,4,0]-7-undecenium salt, etc. are used.
- organic peroxides examples include dicumyl peroxide, cumene hydroperoxide, p-methane hydroperoxide, 2,5-dimethylhexane-2,5-dihydroperoxide, ditert-butyl peroxide, and benzoyl peroxide.
- polyfunctional unsaturated compounds include tri(meth)allyl isocyanurate, tri(meth)allyl cyanurate, triallyl trimellitate, N,N′-m-phenylene bismaleimide, diallyl phthalate, tris(diallylamine).
- -s-triazine, triallyl phosphite ethylene glycol di(meth)acrylate, diethylene glycol di(meth)acrylate, neopentyl glycol di(meth)acrylate, trimethylolpropane tri(meth)acrylate, 1,3-polybutadiene, etc.
- a polyfunctional unsaturated compound that improves mechanical strength, compression set, etc. is used in an amount of about 0.1 to 20 parts by weight, preferably about 0.5 to 10 parts by weight, per 100 parts by weight of peroxide-crosslinkable fluororubber.
- (meth)allyl refers to allyl or meta-allyl.
- (meth)acrylate refers to acrylate or methacrylate.
- Various compounding agents required for vulcanization operation, physical properties, and functionality are further added to the fluororubber composition consisting of each of the above components as necessary, such as reinforcing agents such as carbon black, diatomaceous earth, silica, etc.
- Fillers, acid acceptors such as divalent metal oxides, hydroxides, or hydrotalcite, and other necessary ingredients are mixed, and then the composition is mixed by any kneading means using open rolls, kneaders, etc. is prepared and vulcanized into a sealing member by heat pressing at 160 to 200°C for 3 to 30 minutes and, if necessary, performing secondary vulcanization at 150 to 250°C for 0.5 to 24 hours.
- Ru
- Example 1 Fluororubber Solvay Specialty Polymers 100 parts by weight Japan product P757, specific gravity: 1.825-1.865
- Triiron tetroxide Fe 3 O 4 Triiron tetroxide Fe 3 O 4 (Titanium Industrial Products BL-SP, 50 ⁇ BET specific surface area: 1.1m 2 /g, specific gravity: 4.8-5.2) Austin Black (COAL FILLERS product AUSTIN BLACK 325) 5 Barium sulfate (Sakai Chemical Industry Products, Barium sulfate B-54)
- 1 Acid acceptor Kyowa Chemical Industry Products DHT-4A
- Co-crosslinking agent Nippon Kasei Products TAIC WH-60
- Crosslinking agent NOF product PERHEXA 25B-40
- Normal physical properties Compliant with JIS K 6253 and JIS K 6251 corresponding to ISO 37
- Metal detection confirmation Using a Nissin Electronics Metal Detector ND-840, a 1 mm piece cut from a vulcanizate was tested with a setting value of Fe ⁇ 0.
- Example 2 In Example 1, the amount of triiron tetroxide was changed to 40 parts by weight.
- Example 3 In Example 1, the amount of triiron tetroxide was changed to 30 parts by weight.
- Example 4 In Example 1, the same amount (50 parts by weight) of triiron tetroxide with a BET specific surface area of 2.1 m 2 /g (specific gravity: 5.2) was used.
- Comparative example 1 In Example 1, the amount of triiron tetroxide was changed to 20 parts by weight.
- Comparative example 2 In Example 1, the amount of triiron tetroxide was changed to 10 parts by weight.
- Comparative example 3 In Example 1, the same amount (50 parts by weight) of triiron tetroxide having a BET specific surface area of 4.5 m 2 /g (Toda Kogyo KN-320) was used.
- Comparative example 4 In Example 1, the same amount (50 parts by weight) of triiron tetroxide having a BET specific surface area of 5.5 m 2 /g (Titan Industrial Product BL-10) was used.
- Comparative example 5 In Example 1, the same amount (50 parts by weight) of triiron tetroxide having a BET specific surface area of 7.0 m 2 /g (Toda Kogyo KN-370) was used.
- Example 6 Comparative example 6 In Example 1, the same amount (50 parts by weight) of diiron trioxide (Brown #601, manufactured by Resino Color Industries) was used in place of triiron tetroxide.
- Comparative example 7 In Example 1, the same amount (50 parts by weight) of strontium ferrite powder (DOWA F-tech product SF-D630) was used instead of triiron tetroxide.
- the cross-linked product obtained from the fluororubber composition according to the present invention was measured using a 1 mm piece of it using a metal detector ND-840 manufactured by Nissin Electronics Co., Ltd. under the conditions of detection sensitivity (Fe: ⁇ 0.6, SUS: ⁇ 1.5). It is now possible to detect a 1mm piece under the O-ring, and the compression set after 70 hours at 175°C using an O-ring is less than 21%, so it can be used for gaskets, O-rings in food manufacturing equipment, food machinery, automobiles, etc. Effectively used for rings, etc.
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- Materials Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
Description
・フッ化ビニリデン約50~80モル%、ヘキサフルオロプロペン約15~50モル%およびテトラフルオロエチレン約30~0モル%の共重合組成を有する共重合体エラストマー中にヨウ素基および/臭素基を導入したもの
実際には、市販品であるデュポン社製品Viton GAL200S 、GBL200S、GBL600S、GF200S、GF600S、ソルベイスペシャルティポリマーズジャパン製品テクノフロンP457、P757、P459、P952、ダイキン製品ダイエルG952、G901、G902、G912、G801等がそのまま用いられる。
・フッ化ビニリデン約50~85モル%、一般式CF2=CFORf(Rf:炭素数1~10のパーフルオロアルキル基、好ましくはパーフルオロメチル基、または炭素鎖中に1個以上のエーテル結合を有するパーフルオロオキシアルキル基)で表されるパーフルオロビニルエーテル約5~50モル%およびテトラフルオロエチレン約50~0モル%の共重合組成を有する共重合体エラストマー中にヨウ素基および/または臭素基を導入したもの
実際には、デュポン社製品Viton GLT200S、GLT600S、GBLT200S、GBLT600S、GFLT200S、GFLT600S、ソルベイスペシャルティポリマーズジャパン製品テクノフロンPL455、PL855、PL557、PL458、PL958、ダイキン製品ダイエルLT302、LT301等がそのまま用いられる。
〔PR1R2R3R4〕+X-
R1~R4:炭素数1~25のアルキル基、アルコキシル基、アリール基、
アルキルアリール基、アラルキル基またはポリオキシアルキレ
ン基であり、あるいはこれらの内2~3個がPと共に複数環構造を
形成することもできる
X-:Cl-、Br-、I-、HSO4 -、H2PO4 -、RCOO-、ROSO2 -、CO3 2- 等のアニオン
具体的には、テトラフェニルホスホニウムクロライド、ベンジルトリフェニルホスホニウムブロマイド、ベンジルトリフェニルホスホニウムクロライド、トリフェニルメトキシメチルホスホニウムクロライド、トリフェニルメチルカルボニルメチルホスホニウムクロライド、トリフェニルエトキシカルボニルメチルホスホニウムクロライド、トリオクチルベンジルホスホニウムクロライド、トリオクチルメチルホスホニウムクロライド、トリオクチルエチルホスホニウムアセテート、テトラオクチルホスホニウムクロライド、トリオクチルエチルホスホニウムジメチルホスフェート等が用いられる。第4級ホスホニウム塩はまた、ポリヒドロキシ芳香族化合物等の活性水素含有芳香族化合物との等モル分子化合物であってもよい。
〔NR1R2R3R4〕+X-
(ここで、R1~R4およびX-は上記と同じである)で表される化合物、例えば1-アルキルピリジニウム塩、5-アラルキル-1,5-ジアザビシクロ[4,3,0]-5-ノネニウム塩、8-アラルキル-1,8-ジアザビシクロ[5,4,0]-7-ウンデセニウム塩等が用いられる。
フッ素ゴム(ソルベイスペシャルティポリマーズ 100重量部
ジャパン製品P757、比重:1.825-1.865)
四酸化三鉄Fe3O4(チタン工業製品BL-SP、 50 〃
BET比表面積:1.1m2/g、比重:4.8-5.2)
オースチンブラック(COAL FILLERS社製品AUSTIN BLACK 325) 5 〃
硫酸バリウム(堺化学工業製品、硫酸バリウムB-54) 1 〃
受酸剤(協和化学工業製品DHT-4A) 3 〃
共架橋剤(日本化成製品TAIC WH-60) 2.4 〃
架橋剤(日油製品PERHEXA 25B-40) 1.8 〃
以上の各成分中、架橋剤以外の各成分を密閉式混練機で混練した後、オープンロールに移し、そこに架橋剤を加え、さらに混練した後、180℃、6分間のプレス加硫および230℃、22時間のオーブン加硫(二次加硫)を行い、架橋物を得た。
常態物性:ISO 37に対応するJIS K 6253、JIS K 6251準拠
金属検出確認:日新電子工業製金属検出機ND-840を用い、加硫物から
切り出した1mm片を対象として、設定値: Feφ0.6、
SUSφ1.5 で検知
検知可能であれば○、検知不可であれば×と判定
圧縮永久歪:ISO 815-1に対応するJIS K6262に準拠し、175℃、70時間
後の圧縮永久歪を測定
21%以下なら○、22%以上なら×と判定
実施例1において、四酸化三鉄量が40重量部に変更されて用いられた。
実施例1において、四酸化三鉄量が30重量部に変更されて用いられた。
実施例1において、四酸化三鉄としてBET比表面積が2.1m2/g(比重:5.2)のものが同量(50重量部)用いられた。
実施例1において、四酸化三鉄量が20重量部に変更されて用いられた。
実施例1において、四酸化三鉄量が10重量部に変更されて用いられた。
実施例1において、四酸化三鉄としてBET比表面積が4.5m2/gのもの(戸田工業製品KN-320)が同量(50重量部)用いられた。
実施例1において、四酸化三鉄としてBET比表面積が5.5m2/gのもの(チタン工業製品BL-10)が同量(50重量部)用いられた。
実施例1において、四酸化三鉄としてBET比表面積が7.0m2/gのもの(戸田工業製品KN-370)が同量(50重量部)用いられた。
実施例1において、四酸化三鉄の代わりに、三酸化二鉄(レジノカラー工業製品Brown#601)が同量(50重量部)用いられた。
実施例1において、四酸化三鉄の代わりに、ストロンチウムフェライト粉(DOWAエフテック製品SF-D630)が同量(50重量部)用いられた。
Claims (4)
- フッ素ゴムにBET比表面積が4.0m2/g以下の四酸化三鉄が体積分率として7.0 vol%以上の割合で配合されたフッ素ゴム組成物。
- 請求項1記載のフッ素ゴム組成物の架橋物。
- シール部材である請求項2記載の架橋物。
- 食品製造設備のシール部材として用いられる請求項3記載の架橋物。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024530954A JP7796225B2 (ja) | 2022-06-29 | 2023-06-29 | シール部材 |
| CN202380047694.1A CN119384460A (zh) | 2022-06-29 | 2023-06-29 | 氟橡胶组合物 |
| EP23831569.1A EP4549510A1 (en) | 2022-06-29 | 2023-06-29 | Fluororubber composition |
| US18/879,428 US20250346791A1 (en) | 2022-06-29 | 2023-06-29 | Fluororubber composition |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022-104504 | 2022-06-29 | ||
| JP2022104504 | 2022-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024005130A1 true WO2024005130A1 (ja) | 2024-01-04 |
Family
ID=89382478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2023/024146 Ceased WO2024005130A1 (ja) | 2022-06-29 | 2023-06-29 | フッ素ゴム組成物 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250346791A1 (ja) |
| EP (1) | EP4549510A1 (ja) |
| JP (1) | JP7796225B2 (ja) |
| CN (1) | CN119384460A (ja) |
| WO (1) | WO2024005130A1 (ja) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006328146A (ja) * | 2005-05-24 | 2006-12-07 | Nikko Co | 電波障害対策ゴムシ−ト |
| JP3135558U (ja) | 2007-04-13 | 2007-09-20 | アラム株式会社 | 食品加工プラント用パッキンおよび当該パッキンを用いた食品加工プラント用配管継手構造体 |
| JP3137050U (ja) | 2007-08-31 | 2007-11-08 | アラム株式会社 | 食品加工プラント用oリング |
| WO2009008369A1 (ja) * | 2007-07-09 | 2009-01-15 | Aram Corporation | 食品加工プラント用パッキン、当該パッキンを用いた食品加工プラント用配管継手構造体および食品加工プラント用oリング |
| WO2014014038A1 (ja) * | 2012-07-17 | 2014-01-23 | ユニプラス滋賀株式会社 | 磁性モノフィラメント、磁性ブラシおよびそれらの製造方法 |
| JP2014237786A (ja) * | 2013-06-10 | 2014-12-18 | アラム株式会社 | ゴムまたは合成樹脂製成形品および食品加工プラント |
| JP2016535106A (ja) * | 2013-09-25 | 2016-11-10 | スリーエム イノベイティブ プロパティズ カンパニー | 電界グレーディング用組成物 |
| WO2018225567A1 (ja) * | 2017-06-05 | 2018-12-13 | 株式会社アレステクノロジー | 成形品、食品製造装置用部品及び食品製造用高分子製品 |
-
2023
- 2023-06-29 JP JP2024530954A patent/JP7796225B2/ja active Active
- 2023-06-29 EP EP23831569.1A patent/EP4549510A1/en active Pending
- 2023-06-29 CN CN202380047694.1A patent/CN119384460A/zh active Pending
- 2023-06-29 WO PCT/JP2023/024146 patent/WO2024005130A1/ja not_active Ceased
- 2023-06-29 US US18/879,428 patent/US20250346791A1/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006328146A (ja) * | 2005-05-24 | 2006-12-07 | Nikko Co | 電波障害対策ゴムシ−ト |
| JP3135558U (ja) | 2007-04-13 | 2007-09-20 | アラム株式会社 | 食品加工プラント用パッキンおよび当該パッキンを用いた食品加工プラント用配管継手構造体 |
| WO2009008369A1 (ja) * | 2007-07-09 | 2009-01-15 | Aram Corporation | 食品加工プラント用パッキン、当該パッキンを用いた食品加工プラント用配管継手構造体および食品加工プラント用oリング |
| JP3137050U (ja) | 2007-08-31 | 2007-11-08 | アラム株式会社 | 食品加工プラント用oリング |
| WO2014014038A1 (ja) * | 2012-07-17 | 2014-01-23 | ユニプラス滋賀株式会社 | 磁性モノフィラメント、磁性ブラシおよびそれらの製造方法 |
| JP2014237786A (ja) * | 2013-06-10 | 2014-12-18 | アラム株式会社 | ゴムまたは合成樹脂製成形品および食品加工プラント |
| JP2016535106A (ja) * | 2013-09-25 | 2016-11-10 | スリーエム イノベイティブ プロパティズ カンパニー | 電界グレーディング用組成物 |
| WO2018225567A1 (ja) * | 2017-06-05 | 2018-12-13 | 株式会社アレステクノロジー | 成形品、食品製造装置用部品及び食品製造用高分子製品 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4549510A1 (en) | 2025-05-07 |
| CN119384460A (zh) | 2025-01-28 |
| JP7796225B2 (ja) | 2026-01-08 |
| US20250346791A1 (en) | 2025-11-13 |
| JPWO2024005130A1 (ja) | 2024-01-04 |
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