JP6436224B2 - オイルシール用コーティング剤 - Google Patents
オイルシール用コーティング剤 Download PDFInfo
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- JP6436224B2 JP6436224B2 JP2017500626A JP2017500626A JP6436224B2 JP 6436224 B2 JP6436224 B2 JP 6436224B2 JP 2017500626 A JP2017500626 A JP 2017500626A JP 2017500626 A JP2017500626 A JP 2017500626A JP 6436224 B2 JP6436224 B2 JP 6436224B2
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- Prior art keywords
- oil
- rubber
- oil seal
- weight
- coating agent
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- 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.)
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- 239000011248 coating agent Substances 0.000 title claims description 37
- 239000003921 oil Substances 0.000 claims description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 22
- 238000000576 coating method Methods 0.000 claims description 20
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 12
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 10
- 229920000515 polycarbonate Polymers 0.000 claims description 9
- 239000004417 polycarbonate Substances 0.000 claims description 9
- 239000010705 motor oil Substances 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 8
- 229920002589 poly(vinylethylene) polymer Polymers 0.000 claims description 7
- 229920002050 silicone resin Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 description 22
- 239000005060 rubber Substances 0.000 description 22
- 239000000243 solution Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000005062 Polybutadiene Substances 0.000 description 4
- 229920002857 polybutadiene Polymers 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000004636 vulcanized rubber Substances 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- DVQHRBFGRZHMSR-UHFFFAOYSA-N sodium methyl 2,2-dimethyl-4,6-dioxo-5-(N-prop-2-enoxy-C-propylcarbonimidoyl)cyclohexane-1-carboxylate Chemical compound [Na+].C=CCON=C(CCC)[C-]1C(=O)CC(C)(C)C(C(=O)OC)C1=O DVQHRBFGRZHMSR-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 229920006358 Fluon Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001227 electron beam curing Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000013500 performance material Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D153/00—Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/68—Particle size between 100-1000 nm
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/69—Particle size larger than 1000 nm
-
- 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
- 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
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
-
- 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
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sealing Material Composition (AREA)
- Paints Or Removers (AREA)
Description
イソシアネート基含有1,2−ポリブタジエン 200重量部
(日本曹達製品TP1001;酢酸ブチル50%含有) ( 100 〃 )
シリカ(中央シリカ製品シリカ6B;粒子径7μm) 43 〃
酢酸ブチル 1798 〃
以上の各成分を混合し、この酢酸ブチル溶液からなるコーティング剤溶液を厚さ2mmの加硫ゴム上に10〜30μmの厚さでスプレー塗布し、200℃で10時間熱処理した後、接触角、油中での動摩擦係数の測定を行った。なお、各重量部は溶液重量部で示されており、各成分の実重量部は( )内に示されている(以下の実施例および比較例も同じ)。
接触角:協和界面科学製Drop Master 500を用い、エンジンオイルOW-20
に対する接触角を計測
35°未満を○、35°以上を×と評価
油中での動摩擦係数:新東科学社製HEIDON TYPE14DR表面性試験機を利
用し、下記条件下で往復動を行い、往路側の動摩
擦係数を測定し、0.2未満を○、0.2以上を×と評
価
荷重:50g
速度:50mm/分
往復動距離:50mm
圧子:10mm径鋼球
油種:エンジンオイルOW-20
注) 油中での動摩擦係数は、オイルシールの実機評価と
相関している評価であり、上記テストピースを用い
た油中での動摩擦係数が低いとオイルシールを用い
た実機評価も良好になる
実施例1において、シリカの代わりにポリカーボネート(岐阜セラック製品ポリカTR-7;粒子径6μm、トルエン等93%含有)が614重量部(ポリカーボネートとして43重量部)用いられた。
実施例1において、シリカの代わりにシリコーン樹脂粒子(モメンティブ・パフォーマンス・マテリアルズ・ジャパン合同会社製品トスパール130;粒子径3μm)が同量(43重量部)用いられた。
実施例1において、シリカの代わりにシリコーン樹脂粒子(信越化学工業製品X-52-703;粒子径0.8μm)が同量(43重量部)用いられた。
実施例1において、シリカの代わりにポリアミド粒子(東レ製品ナイロンSP-10;粒子径10μm)が同量(43重量部)用いられた。
実施例1において、シリカの代わりにシリコーンゴム粒子(東レ製品トレフィルE606;粒子径2μm)が同量(43重量部)用いられた。
実施例1において、シリカの代わりにPTFE(AGCセイミケミカル製品フルオン172J;粒子径0.2μm)が同量(43重量部)用いられた。
実施例1において、コーティング剤溶液として、特許文献1に開示されている発明に相当するポリブタジエン50重量部、PTFE溶液1567重量部(固形分濃度5%;78.35重量部)およびポリエチレンワックス溶液 1567重量部(固形分濃度5%;78.35重量部)からなるものが用いられた。
Claims (3)
- イソシアネート基含有1,2-ポリブタジエン100重量部に対し、粒子径が0.5〜30μmであるシリカ、シリコーン樹脂またはポリカーボネート充填剤を10〜160重量部の割合で含有させ、有機溶媒溶液として調製されたコーティング剤であって、これをコーティングした基材表面とエンジンオイルとの接触角が35°未満となるオイルシール用コーティング剤。
- 請求項1記載のコーティング剤を用いてコーティング処理したオイルシール。
- 150〜250℃で1〜24時間加熱処理された請求項2記載のオイルシール。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015028287 | 2015-02-17 | ||
JP2015028287 | 2015-02-17 | ||
PCT/JP2016/053910 WO2016132982A1 (ja) | 2015-02-17 | 2016-02-10 | オイルシール用コーティング剤 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016132982A1 JPWO2016132982A1 (ja) | 2017-11-24 |
JP6436224B2 true JP6436224B2 (ja) | 2018-12-12 |
Family
ID=56692636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017500626A Active JP6436224B2 (ja) | 2015-02-17 | 2016-02-10 | オイルシール用コーティング剤 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10781321B2 (ja) |
EP (1) | EP3272820B1 (ja) |
JP (1) | JP6436224B2 (ja) |
KR (1) | KR102027204B1 (ja) |
CN (1) | CN107250299B (ja) |
WO (1) | WO2016132982A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4006113A4 (en) * | 2019-07-25 | 2023-08-09 | NOK Corporation | COATING AGENT FOR OIL SEAL |
JP7273968B2 (ja) * | 2019-07-25 | 2023-05-15 | Nok株式会社 | オイルシール用コーティング剤 |
Family Cites Families (9)
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JPS4873120A (ja) | 1971-12-28 | 1973-10-02 | ||
JP3893985B2 (ja) | 2002-01-22 | 2007-03-14 | Nok株式会社 | 加硫ゴム用表面処理剤 |
US7288290B2 (en) * | 2004-05-26 | 2007-10-30 | Ppg Industries Ohio, Inc. | Process for applying multi-component composite coatings to substrates to provide sound damping and print-through resistance |
JP4873120B2 (ja) * | 2004-08-31 | 2012-02-08 | Nok株式会社 | オイルシール |
US7789396B2 (en) * | 2005-06-21 | 2010-09-07 | Nok Corporation | Oil seal and process for producing the same |
JP4992309B2 (ja) * | 2006-06-15 | 2012-08-08 | Nok株式会社 | ゴム状弾性体用コーティング剤 |
JP5211498B2 (ja) * | 2007-02-08 | 2013-06-12 | Nok株式会社 | コーティング剤 |
JP6146544B2 (ja) | 2014-09-22 | 2017-06-14 | Nok株式会社 | 加硫ゴム用表面処理剤 |
MX2017003702A (es) | 2014-09-22 | 2017-10-31 | Nok Corp | Agente para tratamiento de superficie para caucho vulcanizado. |
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KR102027204B1 (ko) | 2019-10-01 |
JPWO2016132982A1 (ja) | 2017-11-24 |
KR20170118770A (ko) | 2017-10-25 |
EP3272820B1 (en) | 2020-02-05 |
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