WO2010113769A1 - 充填材入りフッ素樹脂シート、その製造方法およびガスケット - Google Patents
充填材入りフッ素樹脂シート、その製造方法およびガスケット Download PDFInfo
- Publication number
- WO2010113769A1 WO2010113769A1 PCT/JP2010/055269 JP2010055269W WO2010113769A1 WO 2010113769 A1 WO2010113769 A1 WO 2010113769A1 JP 2010055269 W JP2010055269 W JP 2010055269W WO 2010113769 A1 WO2010113769 A1 WO 2010113769A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluororesin
- sheet
- inorganic filler
- filler
- gasket
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/007—Hardness
Definitions
- the present invention relates to a filled fluororesin sheet, a method for producing the same, and a gasket.
- Filled fluororesin sheet is a sheet made by filling fluororesin with a filler. In addition to the chemical resistance and heat resistance of fluororesin, it has the unique functions and characteristics of the filler. By adding or improving creep resistance, which is a drawback of fluororesins, it is often used for sealing materials.
- the sealing material there is a material in which a fluororesin is filled with a metal, graphite, an inorganic filler or the like to improve creep characteristics and the like, and it is used for a gasket or the like.
- a fluororesin sheet containing a filler suitable as a material for a gasket is conventionally known.
- JP 2004-323717 A Patent Document 1 excludes a swellable mineral and a filler (swellable mineral). ) -Containing fluororesin sheet suitable for a gasket material.
- Patent Document 2 discloses a step of rolling a sheet-forming resin composition containing a fluororesin, a filler (such as talc and clay) and a specific solvent under specific conditions.
- a method for producing a fluororesin sheet containing the above is disclosed, and this production method describes that a fluororesin sheet containing a filler suitable for a gasket material and having both high stress relaxation properties and high airtightness can be obtained.
- Patent Document 3 Japanese Patent Publication No. 6-74810 (Patent Document 3) is selected from abrasives containing tetrafluoroethylene resin as a main component and comprising chromium oxide, silicon carbide, aluminum oxide and at least one kind thereof.
- a sliding part material containing 0.5 to 10% by weight of at least one kind of powder having a Mohs hardness of 5 or more and an average particle diameter of less than 5 ⁇ m is disclosed, and this specific abrasive improves the wear resistance of PTFE. It is stated that it will be.
- JP-A-8-239682 contains 0.003 to 0.3% by volume of inorganic fine particles having a Mohs hardness of 9 or more and an average particle diameter of 10 ⁇ m or less.
- a sliding member composition based on a synthetic resin containing PTFE is disclosed, and damage to a counterpart material is caused by adding a small amount of inorganic fine particles having high Mohs strength to various synthetic resin materials. Further, it is described that a synthetic resin sliding material excellent in wear resistance can be obtained without increasing friction.
- the present invention has been made in view of the above problems, and includes a fluororesin sheet with a filler excellent in stress relaxation properties, particularly stress relaxation properties at high temperatures, a manufacturing method thereof, and a fluororesin sheet with a filler.
- An object of the present invention is to provide a gasket having excellent stress relaxation properties.
- Patent Documents 3 and 4 it is possible to improve the stress relaxation property of the fluororesin sheet by blending a fluororesin (PTFE, etc.) with a high hardness filler, and fluorine blended with a high hardness filler.
- a fluororesin PTFE, etc.
- resin as a gasket material is not described or suggested.
- the method for producing a filled fluororesin sheet of the present invention comprises a fluororesin, an inorganic filler having a modified Mohs hardness of 8 or more, and a processing aid, and a volume ratio of fluororesin to inorganic filler (fluororesin: It includes a step of rolling a sheet-forming resin composition having an inorganic filler) of 30 to 55:70 to 45 (the total of both being 100).
- the inorganic filler is at least one selected from the group consisting of diamond, hexagonal boron nitride, boron carbide, silicon carbide, silicon nitride, tungsten carbide, ⁇ -alumina, tantalum carbide, molten zirconia, garnet, yellow jade and zirconia. Seed materials.
- the gasket of the present invention is characterized by being made of the filled fluororesin sheet of the present invention.
- the filled fluororesin sheet of the present invention is excellent in stress relaxation properties, particularly stress relaxation properties at high temperatures.
- the gasket of the present invention is excellent in stress relaxation, particularly stress relaxation at high temperatures.
- fluororesin examples include tetrafluoroethylene resin (PTFE), modified PTFE, vinylidene fluoride resin (PVDF), tetrafluoroethylene-ethylene copolymer resin (ETFE), trifluoroethylene chloride resin (PCTFE), four Examples thereof include fluorinated ethylene-hexafluoropropylene ethylene copolymer resin (FEP) and tetrafluoroethylene-perfluoroalkyl copolymer resin (PFA).
- tetrafluoroethylene resin (PTFE) is preferable and PTFE obtained by emulsion polymerization is particularly preferable in terms of processability when performing extrusion molding, rolling, and the like.
- the fluororesin other than the above-mentioned PTFE is contained in the fluororesin in a small amount, for example, 10% by mass (the total amount of fluororesin is 100% by mass) or less. It may be.
- the fluororesin a powdery one may be used as it is, or a dispersion in which fluororesin fine particles are dispersed in water may be used, and after mixing this with an inorganic filler described later, the water may be removed.
- a fluororesin sheet with a filler having a volume ratio in this range is excellent in stress relaxation at high temperatures.
- the proportion of the inorganic filler is less than the above range (the proportion of the fluororesin is more than the above range), the inorganic filler is difficult to suppress the flow of the fluororesin at a high temperature.
- the stress relaxation property at a high temperature deteriorates (the stress relaxation rate increases).
- an inorganic filler having a modified Mohs hardness of 8 or more, preferably 12 or more is used as the filler. Since such a material is used as the filler, the fluororesin sheet with a filler of the present invention is excellent in stress relaxation at high temperatures.
- the average particle size of the inorganic filler is preferably 3 to 30 ⁇ m, more preferably 4 to 20 ⁇ m.
- This average particle diameter is a value measured by a laser diffraction scattering method (measurement range (particle diameter) 0.03 to 1000 ⁇ m).
- the thus-filled fluororesin sheet of the present invention configured as described above has excellent stress relaxation properties, particularly stress relaxation properties at high temperatures.
- the stress relaxation rate is 200 ° C.
- the temperature alone is changed from 100 ° C. to 200 ° C.) is preferably 40% or less, and more preferably 35% or less.
- the fluororesin sheet with a filler of the present invention is excellent in stress relaxation, particularly stress relaxation at high temperatures, it can be used for a gasket, and a gasket made of the fluororesin sheet with a filler of the present invention has a high temperature. It can be used for a long time under (for example, 200 ° C. or more).
- the gasket of the present invention can be easily manufactured by cutting out the filled fluororesin sheet of the present invention into a desired shape.
- the filled fluororesin sheet of the present invention can be produced by a conventionally known method except that the above specific material is used as the filler.
- Examples of the production method include a rolling method and a skive method, and a rolling method is preferable.
- the said fluororesin, the said inorganic filler, and the petroleum-type hydrocarbon solvent whose fractionation temperature is 120 degrees C or less are 30 mass% or more (however, process aid mass shall be 100 mass%. )
- a production method including a rolling step of rolling an extruded product comprising a raw material composition containing the processing aid at a roll temperature of 40 to 80 ° C. Details are described in Patent Document 2.
- a rolling method for producing a filled fluororesin sheet generally includes a stirring step, a preforming step, a rolling step, a drying step, and a firing step in this order.
- ⁇ Stirring step> In the stirring step, the fluororesin, the inorganic filler, and the processing aid are stirred and mixed in an arbitrary order to prepare a sheet-forming resin composition.
- the stirring efficiency is poor, a large amount of processing aid may be added, and excess processing aid may be removed by filtration after stirring.
- the types and blending ratios of the fluororesin and the inorganic filler may be set so as to correspond to the composition of the fluororesin sheet to be manufactured.
- processing aid examples include conventionally known processing aids such as petroleum hydrocarbon solvents, alcohols, and water.
- petroleum hydrocarbon solvents include Isopar C, Isopar G, Isopar M (Exxon Mobil (existing)) and the like as commercial products.
- the sheet-forming resin composition is extruded to produce a preform (extruded product).
- extrusion molding a conventionally known extrusion molding machine can be used.
- the processing aid contained may be heated at a temperature that does not volatilize so much.
- the shape of the extruded product is not particularly limited, but a rod shape or a ribbon shape is desirable in consideration of the efficiency of subsequent sheet formation and the uniformity of the sheet properties.
- the mixing step and the preforming step are performed at a temperature lower than the roll temperature in the rolling step so that the processing aid does not volatilize. It is preferable to carry out with.
- ⁇ Rolling process> In the rolling process following the pre-forming process, the preform is rolled and formed into a sheet shape by passing between rolling rolls represented by a biaxial roll.
- a step of further rolling the rolled sheet prepared by the rolling step that is, to repeat the rolling step a plurality of times (for example, 3 to 50 times).
- the inside of the fluororesin sheet can be further densified.
- interval is narrowed every time rolling is repeated.
- the distance between the rolls is set to 0.5 to 20 mm, and the roll surface moving speed (sheet extrusion speed) is set to 5 to 50 mm / sec. Can be rolled.
- the processing aid is removed by leaving the rolled sheet at room temperature or heating it at a temperature below the melting point of the fluororesin.
- the dried sheet is heated and sintered at a temperature equal to or higher than the melting point of the fluororesin.
- the heating temperature varies slightly depending on the type of the fluororesin, for example, 340 to 370 ° C., considering that the entire sheet needs to be uniformly fired and that a fluorine-based harmful gas is generated at an excessively high temperature. Is appropriate.
- Test piece was prepared from a sheet having a thickness of 1.5 mm, and the stress relaxation rate was measured according to JIS R3453 except that the heating temperature was changed from 100 ° C. to 200 ° C. for this test piece.
- Example 1 PTFE fine powder (CD-1, manufactured by Asahi Glass Co., Ltd., density: 2.2 g / cm 3 ) 1,000 g, 1,450 g of silicon carbide (# 1200, manufactured by Showa Denko KK, modified Mohs hardness: 13, average particle size: about 10 ⁇ m, density: 3.2 g / cm 3 ), Isopar C (hydrocarbon organic solvent, fractionation temperature: 97-104 ° C, ExxonMobil (existing)) 250g, and Isopar G (hydrocarbon organic solvent, fractionation temperature: 158-175 ° C, ExxonMobil (existing)) ) 250g After mixing with a kneader for 5 minutes, the mixture was aged by standing at room temperature (25 ° C.) for 16 hours to prepare a sheet-forming composition.
- CD-1 manufactured by Asahi Glass Co., Ltd., density: 2.2 g / cm 3
- silicon carbide # 1200, manufactured by Showa D
- This composition was extruded at room temperature (25 ° C.) with a 300 mm ⁇ 20 mm die extruder to prepare a preform.
- the preform was rolled with a biaxial roll under the conditions of a roll diameter of 700 mm, a roll interval of 20 mm, a roll speed of 6 m / min, and a roll temperature of 40 ° C.
- the obtained sheet was rolled again with a roll interval of 10 mm.
- the obtained sheet was rolled again with a roll interval of 5 mm.
- the obtained sheet was rolled again with a roll interval of 1.5 mm, and a sheet having a thickness of 1.5 mm was obtained.
- the sheet was left at room temperature (25 ° C.) for 24 hours to remove the solvent, and then baked in an electric furnace at 350 ° C. for 3 hours to obtain a sheet gasket.
- Example 2 Except for using 1,770 g of ⁇ -alumina (A-42, manufactured by Showa Denko KK, modified Mohs hardness: 12, average particle size: about 4 ⁇ m, density: 3.9 g / cm 3 ) instead of silicon carbide Produced a sheet gasket in the same manner as in Example 1. The stress relaxation rate of this sheet gasket was 31%.
- Example 3 A sheet gasket was produced in the same manner as in Example 1 except that 1,090 g of ⁇ -alumina was used instead of 1,770 g of ⁇ -alumina.
- the stress relaxation rate of this sheet gasket was 51%.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Gasket Seals (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
本発明の充填材入りフッ素樹脂シートは、フッ素樹脂と修正モース硬度が8以上の無機充填材とを、体積比でフッ素樹脂:無機充填材=30~55:70~45(ただし、両者の合計は100である。)の割合で含有することを特徴としている。
前記フッ素樹脂としては、四フッ化エチレン樹脂(PTFE)、変性PTFE、フッ化ビニリデン樹脂(PVDF)、四フッ化エチレン-エチレン共重合樹脂(ETFE)、三フッ化塩化エチレン樹脂(PCTFE)、四フッ化エチレン-六フッ化プロピレンエチレン共重合樹脂(FEP)および四フッ化エチレン-パーフロロアルキル共重合樹脂(PFA)などが挙げられる。これらの中でも、押出成形、圧延などを行う際の加工性の面で、四フッ化エチレン樹脂(PTFE)が好ましく、乳化重合によって得られたPTFEが特に好ましい。
本発明においては、充填材として、修正モース硬度が8以上、好ましくは12以上の無機充填材が用いられる。本発明の充填材入りフッ素樹脂シートは、充填材としてこのような材料が用いられているため、高温での応力緩和性に優れる。
このように構成された本発明の充填材入りフッ素樹脂シートは、応力緩和性、特に高温での応力緩和性に優れており、具体的には、200℃応力緩和率(JIS R3453に準拠、加熱温度のみ100℃から200℃に変更)は、好ましくは40%以下、さらに好ましくは、35%以下である。
本発明の充填材入りフッ素樹脂シートは、充填材として上記の特定の材料を用いる点を除いて、従来公知の方法によって製造することができる。
撹拌工程では、フッ素樹脂、無機充填材、加工助剤を任意の順序で撹拌、混合し、シート形成用樹脂組成物を調製する。撹拌効率が悪い場合には、加工助剤を多く添加し、撹拌終了後に余分な加工助剤を濾過により除去しても良い。
予備成形工程では、前記シート形成用樹脂組成物を押出成形し、プリフォーム(押出成形物)を製造する。
予備成形工程に続く圧延工程では、プリフォームを、二軸ロールに代表される圧延ロール間を通過させてシート状に圧延、成形する。
乾燥工程では、前記の圧延されたシートを常温で放置するか、フッ素樹脂の融点以下の温度で加熱することにより、加工助剤を除去する。
焼成工程では、乾燥後シートをフッ素樹脂の融点以上の温度で加熱、焼結させる。加熱温度としては、シート全体を均一に焼成する必要があることと、過度の高温ではフッ素系有害ガスが発生することとを考慮すると、フッ素樹脂の種類によっても多少異なるが、たとえば340~370℃が適当である。
応力緩和性;
厚さ1.5mmのシートから試験片を作成し、この試験片について加熱温度を100℃から200℃に変更した点を除いてJIS R3453に準拠して応力緩和率を測定した。
PTFEファインパウダー(CD-1、旭硝子(株)製、密度:2.2g/cm3)1,000g、
炭化ケイ素(#1200、昭和電工(株)製、修正モース硬度:13、平均粒径:約10μm、密度:3.2g/cm3)1,450g、
アイソパーC(炭化水素系有機溶剤、分留温度:97~104℃、エクソンモービル(有))250g、および
アイソパーG(炭化水素系有機溶剤、分留温度:158~175℃、エクソンモービル(有))250g
をニーダーで5分間混合した後、室温(25℃)で16時間放置することにより熟成させ、シート形成用組成物を調製した。
炭化ケイ素に替えて、α-アルミナ(A-42、昭和電工(株)製、修正モース硬度:12、平均粒径:約4μm、密度:3.9g/cm3)を1,770g用いた以外は実施例1と同様の方法でシートガスケットを製造した。このシートガスケットの応力緩和率は31%であった。
炭化ケイ素に替えて、クレー(NK-300、昭和KDE(株)製、修正モース硬度:2.5、平均粒径:10μm、密度:2.6g/cm3)を1,180g用いた以外は実施例1と同様の方法でシートガスケットを製造した。このシートガスケットの応力緩和率は50%であった。
炭化ケイ素に替えて、タルク(K-1、日本タルク(株)製、修正モース硬度:1、平均粒径:7μm、密度:2.8g/cm3)を1,270g用いた以外は実施例1と同様の方法でシートガスケットを製造した。このシートガスケットの応力緩和率は58%であった。
α-アルミナ 1,770gに替えて、α-アルミナを1,090g用いた以外は実施例1と同様の方法でシートガスケットを製造した。
Claims (5)
- フッ素樹脂と修正モース硬度が8以上の無機充填材とを、体積比でフッ素樹脂:無機充填材=30~55:70~45(ただし、両者の合計は100である。)の割合で含有することを特徴とする充填材入りフッ素樹脂シート。
- 前記無機充填材が、ダイヤモンド、六方晶窒化ホウ素、炭化ホウ素、炭化ケイ素、窒化ケイ素、炭化タングステン、α-アルミナ、炭化タンタル、溶融ジルコニア、ざくろ石、黄玉およびジルコニアからなる群から選ばれる少なくとも1種の材料からなることを特徴とする請求項1に記載の充填材入りフッ素樹脂シート。
- 請求項1または2に記載の充填材入りフッ素樹脂シートからなるガスケット。
- フッ素樹脂、修正モース硬度が8以上の無機充填材および加工助剤を含有し、フッ素樹脂と無機充填材との体積比(フッ素樹脂:無機充填材)が30~55:70~45(ただし、両者の合計は100である。)であるシート形成用樹脂組成物を圧延する工程を含むことを特徴とする充填材入りフッ素樹脂シートの製造方法。
- 前記無機充填材が、ダイヤモンド、六方晶窒化ホウ素、炭化ホウ素、炭化ケイ素、窒化ケイ素、炭化タングステン、α-アルミナ、炭化タンタル、溶融ジルコニア、ざくろ石、黄玉およびジルコニアからなる群から選ばれる少なくとも1種の材料からなることを特徴とする請求項4に記載の充填材入りフッ素樹脂シートの製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080012660.1A CN102348754B (zh) | 2009-03-31 | 2010-03-25 | 含填充材料的氟树脂片材、其制造方法及垫片 |
SG2011070315A SG174943A1 (en) | 2009-03-31 | 2010-03-25 | Filled fluororesin sheet, process for producing same, and gasket |
KR1020117022085A KR101268726B1 (ko) | 2009-03-31 | 2010-03-25 | 충전재가 들어 있는 불소 수지 시트, 그의 제조방법 및 개스킷 |
US13/258,251 US9321212B2 (en) | 2009-03-31 | 2010-03-25 | Filled fluororesin sheet, process for producing the same, and gasket |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009084911A JP5491758B2 (ja) | 2009-03-31 | 2009-03-31 | 充填材入りフッ素樹脂シート、その製造方法およびガスケット |
JP2009-084911 | 2009-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010113769A1 true WO2010113769A1 (ja) | 2010-10-07 |
Family
ID=42828062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/055269 WO2010113769A1 (ja) | 2009-03-31 | 2010-03-25 | 充填材入りフッ素樹脂シート、その製造方法およびガスケット |
Country Status (6)
Country | Link |
---|---|
US (1) | US9321212B2 (ja) |
JP (1) | JP5491758B2 (ja) |
KR (1) | KR101268726B1 (ja) |
CN (1) | CN102348754B (ja) |
SG (1) | SG174943A1 (ja) |
WO (1) | WO2010113769A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPR824401A0 (en) * | 2001-10-15 | 2001-11-08 | Silverbrook Research Pty. Ltd. | Methods and systems (npw002) |
JP5989371B2 (ja) * | 2012-03-24 | 2016-09-07 | 日本バルカー工業株式会社 | 配管シール用フッ素樹脂製ガスケット |
JP6163338B2 (ja) * | 2013-03-29 | 2017-07-12 | 日本バルカー工業株式会社 | 配管シール用フッ素樹脂製ガスケット |
US20150003996A1 (en) * | 2013-07-01 | 2015-01-01 | General Electric Company | Fluorinated polymer based coatings and methods for applying the same |
CN104558976A (zh) * | 2015-01-29 | 2015-04-29 | 日本华尔卡工业株式会社 | 一种氟树脂密封材料 |
GB201514839D0 (en) * | 2015-08-20 | 2015-10-07 | Element Six Uk Ltd | Composite material, components comprising same and method of using same |
CN106191964A (zh) * | 2016-07-09 | 2016-12-07 | 平顶山市美伊金属制品有限公司 | 氧化后基材表面毛孔镶嵌填充材料及技术 |
TWI727097B (zh) * | 2017-09-15 | 2021-05-11 | 日商華爾卡股份有限公司 | 包含滑石片之墊片 |
KR102350820B1 (ko) * | 2019-11-22 | 2022-01-13 | 김성진 | 시트 가스켓의 제조방법 및 이에 의해 제조되는 시트 가스켓 |
WO2021210435A1 (ja) | 2020-04-15 | 2021-10-21 | 株式会社バルカー | シール材 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59223754A (ja) * | 1983-05-30 | 1984-12-15 | Asahi Gosei Kagaku Kk | 含浸剤 |
JPS60120798A (ja) * | 1983-12-02 | 1985-06-28 | N D C Kk | 複層無潤滑軸受材 |
JPH1060206A (ja) * | 1996-06-27 | 1998-03-03 | W L Gore & Assoc Inc | 熱伝導性のポリテトラフルオロエチレン物品 |
JP2008013715A (ja) * | 2006-07-07 | 2008-01-24 | Nippon Valqua Ind Ltd | 充填材入りフッ素樹脂シートの製造方法および充填材入りフッ素樹脂シート |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4208194A (en) | 1977-09-26 | 1980-06-17 | Minnesota Mining And Manufacturing Company | Monitoring device |
JPH0674810B2 (ja) | 1984-02-13 | 1994-09-21 | 三菱電線工業株式会社 | しゅう動部材料 |
JPH0686331B2 (ja) | 1990-04-17 | 1994-11-02 | 宇部興産株式会社 | 高強度サイアロン基焼結体 |
JPH08239682A (ja) | 1995-03-07 | 1996-09-17 | Sutaaraito Kogyo Kk | 合成樹脂摺動部材組成物 |
JPH09202664A (ja) * | 1995-11-22 | 1997-08-05 | Fuji Electric Co Ltd | グリーンシートの製造方法 |
JP4509492B2 (ja) | 2003-04-25 | 2010-07-21 | 日本バルカー工業株式会社 | 充填材入りフッ素樹脂シートおよびその製造方法 |
JP5021904B2 (ja) * | 2005-04-19 | 2012-09-12 | 三井・デュポンフロロケミカル株式会社 | フッ素樹脂塗膜 |
JP4213167B2 (ja) | 2006-03-24 | 2009-01-21 | 日本バルカー工業株式会社 | 充填材入りフッ素樹脂シートの製造方法 |
JP5226938B2 (ja) * | 2006-04-28 | 2013-07-03 | 日本バルカー工業株式会社 | 充填材入りフッ素樹脂シートの製造方法および充填材入りフッ素樹脂シート |
JP4909969B2 (ja) | 2008-09-29 | 2012-04-04 | ニチアス株式会社 | ガスケット用フッ素樹脂シート、その製造方法及びシートガスケット |
-
2009
- 2009-03-31 JP JP2009084911A patent/JP5491758B2/ja active Active
-
2010
- 2010-03-25 SG SG2011070315A patent/SG174943A1/en unknown
- 2010-03-25 KR KR1020117022085A patent/KR101268726B1/ko active IP Right Grant
- 2010-03-25 WO PCT/JP2010/055269 patent/WO2010113769A1/ja active Application Filing
- 2010-03-25 CN CN201080012660.1A patent/CN102348754B/zh active Active
- 2010-03-25 US US13/258,251 patent/US9321212B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59223754A (ja) * | 1983-05-30 | 1984-12-15 | Asahi Gosei Kagaku Kk | 含浸剤 |
JPS60120798A (ja) * | 1983-12-02 | 1985-06-28 | N D C Kk | 複層無潤滑軸受材 |
JPH1060206A (ja) * | 1996-06-27 | 1998-03-03 | W L Gore & Assoc Inc | 熱伝導性のポリテトラフルオロエチレン物品 |
JP2008013715A (ja) * | 2006-07-07 | 2008-01-24 | Nippon Valqua Ind Ltd | 充填材入りフッ素樹脂シートの製造方法および充填材入りフッ素樹脂シート |
Also Published As
Publication number | Publication date |
---|---|
KR101268726B1 (ko) | 2013-05-28 |
KR20110128885A (ko) | 2011-11-30 |
US20120022200A1 (en) | 2012-01-26 |
CN102348754A (zh) | 2012-02-08 |
JP5491758B2 (ja) | 2014-05-14 |
SG174943A1 (en) | 2011-11-28 |
US9321212B2 (en) | 2016-04-26 |
JP2010235755A (ja) | 2010-10-21 |
CN102348754B (zh) | 2015-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5491758B2 (ja) | 充填材入りフッ素樹脂シート、その製造方法およびガスケット | |
EP3260508B1 (en) | Coating composition, coating film, and laminated body | |
JP5068043B2 (ja) | 充填材入りフッ素樹脂シートおよび充填材入りフッ素樹脂シートの製造方法 | |
JP4213167B2 (ja) | 充填材入りフッ素樹脂シートの製造方法 | |
JP6163338B2 (ja) | 配管シール用フッ素樹脂製ガスケット | |
JP4909969B2 (ja) | ガスケット用フッ素樹脂シート、その製造方法及びシートガスケット | |
JP5742896B2 (ja) | フッ素化ナノダイヤモンドを含むフッ素樹脂組成物 | |
JP5391188B2 (ja) | ガスケット用フッ素樹脂シート、ガスケット用フッ素樹脂シートの製造方法およびシートガスケット | |
JP2018109149A (ja) | ポリテトラフルオロエチレン組成物 | |
EP2986667A1 (en) | Fluororesin and mesoporous silica composition and molded product thereof | |
JP5014692B2 (ja) | 充填材入りフッ素樹脂シートの製造方法および充填材入りフッ素樹脂シート | |
JP5226938B2 (ja) | 充填材入りフッ素樹脂シートの製造方法および充填材入りフッ素樹脂シート | |
JP2008013654A (ja) | 充填材入りフッ素樹脂シートの製造方法および充填材入りフッ素樹脂シート | |
WO2021210435A1 (ja) | シール材 | |
JP4777389B2 (ja) | ガスケット用充填材入りフッ素樹脂シートおよびガスケット | |
JP5578841B2 (ja) | 充填材入りフッ素樹脂シートの製造方法および充填材入りフッ素樹脂シート | |
JP5253273B2 (ja) | フッ素樹脂シート、その製造方法およびガスケット | |
WO2023120571A1 (ja) | フッ素樹脂製ガスケットおよびその製造方法 | |
JP2011153254A (ja) | シート形成用組成物、充填材入りフッ素樹脂シートおよび充填材入りフッ素樹脂シートの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080012660.1 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10758542 Country of ref document: EP Kind code of ref document: A1 |
|
DPE1 | Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 13258251 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 20117022085 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 10758542 Country of ref document: EP Kind code of ref document: A1 |