WO2012077537A1 - Epdm組成物 - Google Patents
Epdm組成物 Download PDFInfo
- Publication number
- WO2012077537A1 WO2012077537A1 PCT/JP2011/077528 JP2011077528W WO2012077537A1 WO 2012077537 A1 WO2012077537 A1 WO 2012077537A1 JP 2011077528 W JP2011077528 W JP 2011077528W WO 2012077537 A1 WO2012077537 A1 WO 2012077537A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- value
- epdm
- plasticizer
- sealing material
- cal
- Prior art date
Links
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Ethene-propene or ethene-propene-diene copolymers
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
-
- 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
- C09K2200/0642—Copolymers containing at least three different monomers
Definitions
- the present invention relates to an EPDM composition. More specifically, the present invention relates to an EPDM composition that is suitably used as a molding material for a sealing material excellent in HFO-1234yf resistance.
- HFC-134a (1,1,1,2-tetrafluoroethane) is used as a refrigerant in industrial and household freezers, refrigerators, home air conditioners, car air conditioners, etc. Since 134a has a high global warming potential (GWP) of 1300, replacement with a refrigerant with a low GWP is being promoted.
- GWP global warming potential
- HFO-1234yf (2,3,3,3-tetrafluoro-1-propene), a hydrofluoroolefin with a GWP of 4 and an ozone depletion potential (ODP) of 0
- ODP ozone depletion potential
- ethylene-propylene-diene copolymer rubber (EPDM) or hydrogenated nitrile rubber (HNBR) is used as the molding material for the sealing material (patent document) 1).
- EPDM ethylene-propylene-diene copolymer rubber
- HNBR hydrogenated nitrile rubber
- EPDM has high resistance to HFC-134a
- the HFO-1234yf environment which is being developed as a new refrigerant
- EPDM is excellent in sealing performance at low-temperature vibrations or in terms of cost. Therefore, an EPDM composition as a seal molding material that can be sufficiently used in an HFO-1234yf environment is required.
- An object of the present invention is to provide an EPDM composition capable of forming a seal material that can be sufficiently used even in an HFO-1234yf environment.
- the object of the present invention is to provide an EPDM composition to which a plasticizer is added, and the absolute value of the difference between the SP value as a plasticizer (solubility parameter; according to the Small formula) and the SP value of EPDM is 0.3 (cal / cm 3 ) Achieved by an EPDM composition for molding a sealing material to which no more than 1/2 paraffinic oil or naphthenic oil is added and no ether ester plasticizer is added.
- the EPDM composition for molding a sealing material of the present invention has an absolute value of the difference between its SP value and the SP value of EPDM as a plasticizer within 0.3 (cal / cm 3 ) 1/2 , preferably 0.2 (cal / cm 3 )
- a paraffinic oil or naphthenic oil that is compatible with EPDM within 1/2 , the vulcanizate is a defect that causes blistering even when extracted by contact with HFO-1234yf.
- a sealing material particularly as a sealing material for a compressor, it has an excellent effect of exhibiting good blister resistance against HFO-1234yf.
- any of a small amount of various non-conjugated diene components copolymerized with ethylene and propylene can be used, preferably 5-ethylidene-2-norbornene, dicyclopentadiene, 1,4-hexadiene, etc.
- a copolymerized product is used, and its SP value varies depending on the degree of polymerization, the type of diene and the amount of copolymerization, but is generally about 7.9 (cal / cm 3 ) 1/2 .
- commercially available products such as Mitsui Chemicals product EPT3045 and JSR product EP33 can be used as they are.
- the SP value (solubility parameter) refers to Polymer Handbook IV-341 to 368 pages (published by INTERSCIENCE PUBLISHERS) and Solvent Handbook pages 91 to 93 (1993) (published by Kodansha Scientific). ) And can be obtained by the small method.
- the F value is the molar-attraction constant (unit: (cal / cm 3 ) 1/2 / mol, 25 ° C)
- M Molecular weight or molecular weight of repeating unit ⁇ : It can be determined by molecular density.
- the absolute value of the difference between the SP value of the plasticizer and the SP value of EPDM is 0.3 (cal / cm 3 ) 1/2 , preferably 0.2 (cal / cm 3 )
- Plasticizers other than ether ester within 1/2 preferably paraffinic oil or naphthenic oil, for example, paraffinic oil with SP value of 7.9 (cal / cm 3 ) 1/2 or SP value of 8.1 (cal / cm 3 ) 1/2 naphthenic oil is used.
- the compatibility with EPDM becomes worse, and the vulcanizate is HFO-1234yf Defects are likely to be formed by extraction by contact with and blisters are likely to occur starting from such defects.
- the SP value is a solubility parameter, and in the present invention, data calculated based on the Small equation is used.
- paraffinic oil which is a petroleum-based fractionation product
- commercially available products such as Idemitsu Kosan's Diana Process Oil PW-32, PW-150, PW-380, New Japan Petroleum Products Super Oil M-10, M-12, M -22, M-32, M-46, M-68, M-100, M-150, M-460, Nippon Sun Oil Products Samper 107, 110, 115, 150, 2100, 2280 etc. If the absolute value difference of the specified SP value is satisfied, it can be used as it is.
- naphthenic oils which are also petroleum-based fractionated products
- commercially available products such as Idemitsu Kosan products Diana Process Oil NR-26, NR-68, NM-280, Nippon San Oil Products Sansen 410, 415, 450, 480 4130, 4240, 250J, etc., which are generally used, and can be used as they are if they satisfy the specified absolute value difference of SP values.
- the friction transmission surface of the V-ribbed belt is set to 100 parts by weight of the ethylene / ⁇ -olefin (• diene) copolymer elastomer.
- a rubber composition containing 10 to 25 parts by weight of an ether ester plasticizer and 60 to 110 parts by weight of an inorganic filler is used.
- the solubility index of the ether ester plasticizer used here is 8.3 to 10.7, which is larger than that of the ethylene / ⁇ -olefin (diene) copolymer elastomer (approximately 8.0 (cal / cm 3 ) 1/2 ).
- Paraffinic oil or naphthenic oil used as a plasticizer with an absolute difference between the SP value of EPDM and the SP value of EPDM within 0.3 (cal / cm 3 ) 1/2 is 5 to 40 parts by weight per 100 parts by weight of EPDM. Parts, preferably 5 to 25 parts by weight. If the ratio of the paraffinic oil or naphthenic oil is less than this, the desired plasticizing effect cannot be obtained, while if it is used at a higher ratio, foaming occurs.
- EPDM compositions include various reinforcing agents or fillers such as carbon black and white carbon, oxides or hydroxides of divalent metals such as zinc oxide and magnesium oxide, or hydrotalcites.
- a compounding agent generally used in the rubber industry such as an acid acceptor such as a compound and an anti-aging agent is appropriately added and used as necessary.
- the EPDM composition comprising the above components is peroxide-crosslinked with an organic peroxide generally used in an amount of 0.2 to 8 parts by weight per 100 parts by weight of EPDM.
- Organic peroxides include tertiary butyl peroxide, dicumyl peroxide, tertiary butyl cumyl peroxide, 1,1-di (tertiary butyl peroxy) -3,3,5-trimethylcyclohexane, 2,5 -Dimethyl-2,5-di (tert-butylperoxy) hexane, 2,5-dimethyl-2,5-di (tert-butylperoxy) hexyne-3, etc. If there is, it can be used without any particular limitation.
- a crosslinking aid made of a polyfunctional unsaturated compound typified by triallyl isocyanurate.
- the composition is prepared by kneading using a kneader such as an intermix, kneader, Banbury mixer, or an open roll, and the kneaded product is used with an injection molding machine, a compression molding machine, a vulcanizing press, or the like. In general, it is vulcanized by heating at about 150-200 ° C for about 2-60 minutes, and if necessary, oven-cured (secondary vulcanization) at about 100-200 ° C for about 1-24 hours. It is also done.
- a kneader such as an intermix, kneader, Banbury mixer, or an open roll
- the vulcanizate is suitably used as a sealing material used for contact with a hydrofluoroolefin-based refrigerant such as HFO-1234yf as a refrigerant, for example, a sealing material for a compressor.
- a hydrofluoroolefin-based refrigerant such as HFO-1234yf as a refrigerant, for example, a sealing material for a compressor.
- Example 1 EPDM Mitsubishi Chemicals product EPT3045; SP value 7.9 100 parts by weight SRF carbon black (average particle size 70 nm) 60 ⁇ Paraffin plasticizer 20 ⁇ (Japan Sun Oil Products Sambar 110; SP value 7.9) Anti-aging agent (Kawaguchi Chemical Products ANTAGE RD) 1 ⁇ Dicumyl peroxide 4 ⁇
- the above components are kneaded with a kneader and an open roll, and the kneaded product is subjected to press vulcanization at 170 ° C. for 15 minutes and oven vulcanization (secondary vulcanization) at 150 ° C. for 5 hours to obtain a G25 size
- An O-ring having an inner diameter of 22.4 mm and a wire diameter of 3.1 mm was obtained.
- Example 2 In Example 1, the same amount of naphthenic plasticizer (Nippon Sun Petroleum Products Sansen 410; SP value 8.1) was used as a plasticizer.
- naphthenic plasticizer Natural Sun Petroleum Products Sansen 410; SP value 8.1
- Example 1 Comparative Example 1 In Example 1, the same amount of paraffinic plasticizer (Idemitsu Kosan product Diana Process Oil PW-90; SP value 7.5) was used as the plasticizer.
- paraffinic plasticizer Idemitsu Kosan product Diana Process Oil PW-90; SP value 7.5
- Example 2 Comparative Example 2 In Example 1, the same amount of a naphthenic plasticizer (Nippon Sun Oil Products Sansen 430; SP value 7.0) was used as a plasticizer.
- a naphthenic plasticizer Natural Sun Oil Products Sansen 430; SP value 7.0
- Example 3 Comparative Example 3 In Example 1, the same amount of ether ester plasticizer (Asahi Denka Kogyo product Adeka Sizer RS700; SP value 8.9) was used as the plasticizer.
- ether ester plasticizer Adeka Sizer RS700; SP value 8.9
- Example 4 Comparative Example 4 In Example 1, the same amount of di-2-ethylhexyl phthalate (Taoka Chemical Industries; SP value 9.0) was used as a plasticizer.
- Example 5 Comparative Example 5 In Example 1, the same amount of an aliphatic polyester plasticizer (Dainippon Ink and Chemicals Polysizer P-202; SP value 9.0) was used as a plasticizer.
- an aliphatic polyester plasticizer Dainippon Ink and Chemicals Polysizer P-202; SP value 9.0
- a blister test was conducted using the G25 O-ring obtained in each of the above Examples and Comparative Examples.
- Blister test O-ring and liquefied refrigerant (HFO-1234yf) in pressure vessel And soak the O-ring in a liquefied refrigerant at 40 ° C for 24 hours, then release it to the atmosphere and take out the O-ring. After air heating for 1 hour in a thermostatic bath at 0 ° C, the O-ring was cut and the presence or absence of blisters in the cross section was visually confirmed.
- HFO-1234yf liquefied refrigerant
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
Description
δ=ρ・ΣF/M
ΣF:分子中または繰り返し単位中の原子および基のすべ
てのF値の総和
ただし、F値は、molar-attraction constant (単
位;(cal/cm3)1/2/mol、25℃)である
M:分子量または繰り返し単位の分子量
ρ:分子の密度
により求めることができる。
EPDM(三井化学製品EPT3045;SP値7.9) 100重量部
SRFカーボンブラック(平均粒子径70nm) 60 〃
パラフィン系可塑剤 20 〃
(日本サン石油製品サンバー110;SP値7.9)
老化防止剤(川口化学工業製品アンテージRD) 1 〃
ジクミルパーオキサイド 4 〃
以上の各成分をニーダおよびオープンロールで混練し、混練物について加硫プレスによる170℃、15分間のプレス加硫および150℃、5時間のオーブン加硫(二次加硫)を行い、G25サイズ(内径22.4mm、線径3.1mm)のOリングを得た。
実施例1において、可塑剤としてナフテン系可塑剤(日本サン石油製品サンセン410;SP値8.1)が同量用いられた。
実施例1において、可塑剤としてパラフィン系可塑剤(出光興産製品ダイアナプロセスオイルPW-90;SP値7.5)が同量用いられた。
実施例1において、可塑剤としてナフテン系可塑剤(日本サン石油製品サンセン430;SP値7.0)が同量用いられた。
実施例1において、可塑剤としてエーテルエステル系可塑剤(旭電化工業製品アデカサイザーRS700;SP値8.9)が同量用いられた。
実施例1において、可塑剤としてジ-2-エチルヘキシルフタレート(田岡化学工業製品;SP値9.0)が同量用いられた。
実施例1において、可塑剤として脂肪族ポリエステル系可塑剤(大日本インキ化学工業製品ポリサイザーP-202;SP値9.0)が同量用いられた。
ブリスター試験:圧力容器中にOリングおよび液化冷媒(HFO-1234yf)
を封入し、Oリングを40℃の液化冷媒中に24時間浸
漬し、その後大気解放してOリングを取り出し、15
0℃の恒温槽中で1時間空気加熱を行った後、Oリン
グを切断し、断面のブリスター発生の有無を目視で
確認した
Claims (9)
- 可塑剤が添加されたEPDM組成物において、可塑剤としてそのSP値(溶解度パラメーター;Small式による)とEPDMのSP値との差の絶対値が0.3(cal/cm3)1/2以内のパラフィン系油またはナフテン系油を添加し、エーテルエステル系可塑剤を添加しないことを特徴とするシール材成形用EPDM組成物。
- SP値の差の絶対値が0.2(cal/cm3)1/2以内のパラフィン系油またはナフテン系油が添加された請求項1記載のシール材成形用EPDM組成物。
- EPDM 100重量部当り5~40重量部の可塑剤が用いられた請求項1または2記載のEPDM組成物。
- EPDM 100重量部当り5~25重量部の可塑剤が用いられた請求項1または2記載のEPDM組成物。
- 請求項1または2記載のEPDM組成物を過酸化物架橋して成形されたシール材。
- ハイドロフルオロオレフィン系冷媒に接触する用途に使用される請求項5記載のシール材。
- HFO-1234yf環境下において使用される請求項6記載のシール材。
- ハイドロフルオロオレフィン系冷媒に接触するコンプレッサに使用される請求項6記載のシール材。
- 請求項8記載のシール材を組み込んだハイドロフルオロオレフィン系冷媒に接触するコンプレッサ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11847366.9A EP2650330B1 (en) | 2010-12-07 | 2011-11-29 | Epdm composition |
US13/991,259 US20130251507A1 (en) | 2010-12-07 | 2011-11-29 | Epdm composition |
CN2011800590639A CN103228724A (zh) | 2010-12-07 | 2011-11-29 | Epdm组合物 |
JP2012547794A JP5631413B2 (ja) | 2010-12-07 | 2011-11-29 | Epdm組成物 |
KR1020137013931A KR101865895B1 (ko) | 2010-12-07 | 2011-11-29 | Epdm 조성물 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010272147 | 2010-12-07 | ||
JP2010-272147 | 2010-12-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012077537A1 true WO2012077537A1 (ja) | 2012-06-14 |
Family
ID=46207028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/077528 WO2012077537A1 (ja) | 2010-12-07 | 2011-11-29 | Epdm組成物 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130251507A1 (ja) |
EP (1) | EP2650330B1 (ja) |
JP (1) | JP5631413B2 (ja) |
KR (1) | KR101865895B1 (ja) |
CN (1) | CN103228724A (ja) |
WO (1) | WO2012077537A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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BE1026416B1 (nl) * | 2018-12-24 | 2020-01-24 | Usocore Nv | Witte oliën als weekmakers |
JP2020186317A (ja) * | 2019-05-15 | 2020-11-19 | 三菱重工業株式会社 | ゴム材の回復方法及び油製品 |
JP7075921B2 (ja) * | 2019-12-27 | 2022-05-26 | 株式会社アシックス | 緩衝体及び靴 |
TW202248258A (zh) * | 2021-01-29 | 2022-12-16 | 日商可樂麗股份有限公司 | 樹脂組成物及成形體 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0841363A (ja) * | 1993-11-17 | 1996-02-13 | Bridgestone Corp | 高分子組成物 |
JPH09227858A (ja) * | 1996-02-23 | 1997-09-02 | Bridgestone Corp | シーリング材 |
JPH11302478A (ja) * | 1998-04-20 | 1999-11-02 | Fujikura Rubber Ltd | 低硬度シール材用ゴム組成物 |
JP2000256493A (ja) * | 1999-03-04 | 2000-09-19 | Sumitomo Rubber Ind Ltd | 低弾性率ゴム組成物 |
JP2001279052A (ja) * | 2000-03-29 | 2001-10-10 | Sumitomo Rubber Ind Ltd | 低弾性率高分子組成物およびそれを用いたシール材 |
JP2001354828A (ja) * | 2000-06-15 | 2001-12-25 | Sumitomo Rubber Ind Ltd | 低弾性率高分子組成物およびそれを用いたシール材 |
JP2003173671A (ja) * | 2001-09-27 | 2003-06-20 | Nok Corp | ハードディスクドライブ用カバー一体型ガスケット |
WO2006137420A1 (ja) | 2005-06-24 | 2006-12-28 | Nok Corporation | Epdm組成物 |
JP2007092987A (ja) | 2005-08-31 | 2007-04-12 | Mitsuboshi Belting Ltd | ベルト伝動装置 |
JP2008115735A (ja) * | 2006-11-02 | 2008-05-22 | Sanden Corp | 圧縮機 |
JP2008121634A (ja) * | 2006-11-15 | 2008-05-29 | Sanden Corp | 圧縮機 |
WO2008078650A1 (ja) | 2006-12-26 | 2008-07-03 | Kaneka Corporation | 多孔体及びその製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4102855A (en) * | 1977-12-05 | 1978-07-25 | The General Tire & Rubber Company | Compositions comprising EPDM, E/VA and poly-alpha-methylstyrene |
US5073597A (en) * | 1989-05-26 | 1991-12-17 | Advanced Elastomer Systems, L. P. | Dynamically vulcanized alloys having two copolymers in the crosslinked phase and a crystalline matrix |
JP2807502B2 (ja) * | 1989-10-05 | 1998-10-08 | 三井化学株式会社 | エチレン―プロピレン―ジエン系ゴム、エラストマー組成物およびその加硫ゴム |
DE19681101T1 (de) * | 1995-11-02 | 1998-02-05 | Yokohama Rubber Co Ltd | Thermoplastische Elastomerzusammensetzung und Verfahren zu deren Herstellung, sowie Verwendung der Zusammensetzung für einen Schlauch mit niedriger Permeabilität |
JP3396178B2 (ja) * | 1999-02-10 | 2003-04-14 | 住友ゴム工業株式会社 | 低弾性率ゴム組成物 |
US20100210745A1 (en) * | 2002-09-09 | 2010-08-19 | Reactive Surfaces, Ltd. | Molecular Healing of Polymeric Materials, Coatings, Plastics, Elastomers, Composites, Laminates, Adhesives, and Sealants by Active Enzymes |
US7737205B2 (en) * | 2003-07-28 | 2010-06-15 | Dow Global Technologies Inc | Thermoplastic vulcanizates and process to prepare them |
WO2005042635A1 (ja) * | 2003-10-30 | 2005-05-12 | Nok Corporation | 熱可塑性エラストマー組成物、ガスケット、ガスケット成形体及び二部材間の密封構造 |
JP2007071123A (ja) * | 2005-09-07 | 2007-03-22 | Tokai Rubber Ind Ltd | ファンボス |
EP2011823B1 (en) * | 2006-04-26 | 2011-08-10 | NOK Corporation | Epdm composition |
KR101675050B1 (ko) * | 2009-02-24 | 2016-11-10 | 반도 카가쿠 가부시키가이샤 | 마찰전동벨트 |
EP2330153B1 (en) * | 2009-12-01 | 2013-07-17 | Sumitomo Rubber Industries, Ltd. | Paper feed roller |
-
2011
- 2011-11-29 CN CN2011800590639A patent/CN103228724A/zh active Pending
- 2011-11-29 US US13/991,259 patent/US20130251507A1/en not_active Abandoned
- 2011-11-29 JP JP2012547794A patent/JP5631413B2/ja not_active Expired - Fee Related
- 2011-11-29 WO PCT/JP2011/077528 patent/WO2012077537A1/ja active Application Filing
- 2011-11-29 EP EP11847366.9A patent/EP2650330B1/en not_active Not-in-force
- 2011-11-29 KR KR1020137013931A patent/KR101865895B1/ko not_active Expired - Fee Related
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0841363A (ja) * | 1993-11-17 | 1996-02-13 | Bridgestone Corp | 高分子組成物 |
JPH09227858A (ja) * | 1996-02-23 | 1997-09-02 | Bridgestone Corp | シーリング材 |
JPH11302478A (ja) * | 1998-04-20 | 1999-11-02 | Fujikura Rubber Ltd | 低硬度シール材用ゴム組成物 |
JP2000256493A (ja) * | 1999-03-04 | 2000-09-19 | Sumitomo Rubber Ind Ltd | 低弾性率ゴム組成物 |
JP2001279052A (ja) * | 2000-03-29 | 2001-10-10 | Sumitomo Rubber Ind Ltd | 低弾性率高分子組成物およびそれを用いたシール材 |
JP2001354828A (ja) * | 2000-06-15 | 2001-12-25 | Sumitomo Rubber Ind Ltd | 低弾性率高分子組成物およびそれを用いたシール材 |
JP2003173671A (ja) * | 2001-09-27 | 2003-06-20 | Nok Corp | ハードディスクドライブ用カバー一体型ガスケット |
WO2006137420A1 (ja) | 2005-06-24 | 2006-12-28 | Nok Corporation | Epdm組成物 |
JP2007092987A (ja) | 2005-08-31 | 2007-04-12 | Mitsuboshi Belting Ltd | ベルト伝動装置 |
JP2008115735A (ja) * | 2006-11-02 | 2008-05-22 | Sanden Corp | 圧縮機 |
JP2008121634A (ja) * | 2006-11-15 | 2008-05-29 | Sanden Corp | 圧縮機 |
WO2008078650A1 (ja) | 2006-12-26 | 2008-07-03 | Kaneka Corporation | 多孔体及びその製造方法 |
Non-Patent Citations (2)
Title |
---|
"Polymer Handbook IV", INTERSCIENCE PUBLISHERS, pages: 341 - 368 |
"Solvent Handbook", 1993, KODANSHA SCIENTIFIC LTD., pages: 91 - 93 |
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KR20130140757A (ko) | 2013-12-24 |
US20130251507A1 (en) | 2013-09-26 |
CN103228724A (zh) | 2013-07-31 |
JP5631413B2 (ja) | 2014-11-26 |
EP2650330A1 (en) | 2013-10-16 |
EP2650330B1 (en) | 2019-06-19 |
KR101865895B1 (ko) | 2018-07-04 |
EP2650330A4 (en) | 2018-01-10 |
JPWO2012077537A1 (ja) | 2014-05-19 |
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