WO2018117290A1 - Composition de joint sans amiante composite organique/inorganique hautement résistante à la chaleur, et procédé de fabrication d'un joint à l'aide de ladite composition - Google Patents

Composition de joint sans amiante composite organique/inorganique hautement résistante à la chaleur, et procédé de fabrication d'un joint à l'aide de ladite composition Download PDF

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Publication number
WO2018117290A1
WO2018117290A1 PCT/KR2016/015004 KR2016015004W WO2018117290A1 WO 2018117290 A1 WO2018117290 A1 WO 2018117290A1 KR 2016015004 W KR2016015004 W KR 2016015004W WO 2018117290 A1 WO2018117290 A1 WO 2018117290A1
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weight
parts
gasket
composition
inorganic composite
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PCT/KR2016/015004
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English (en)
Korean (ko)
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김치연
최경만
김영민
이지은
한동훈
김관용
Original Assignee
제일 이엔에스 주식회사
한국신발피혁연구원
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Priority to PCT/KR2016/015004 priority Critical patent/WO2018117290A1/fr
Publication of WO2018117290A1 publication Critical patent/WO2018117290A1/fr

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    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • 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
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L15/00—Compositions of rubber derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L15/00—Compositions of rubber derivatives
    • C08L15/02—Rubber derivatives containing halogen
    • 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—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of 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
    • 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

Definitions

  • the present invention is heat-resistant by preparing a gasket by heat-treating a composition composed of an inorganic ceramic, an organic-inorganic fiber and additives, and a crosslinking agent to a substrate composed of hydrogenated acrylonitrile butadiene rubber, ethylene propylene diene rubber, butadiene rubber and fluorine rubber.
  • non-asbestos gasket compositions are generally prepared by kneading nitrile rubber swelled with an organic solvent, non-asbestos-based inorganic fibers, rubber additives, vulcanizing agents, and inorganic fillers and heat rolling between a heat roll and a cooling roll.
  • Japanese Patent Application Laid-Open No. 2008-0274053 (Non-Asbestos Sheet Gasket) relates to a non-asbestos sheet gasket, which is made by stirring fibers, graphite, and rubber with water, and laminating and unifying them according to a heat press. It is configured to manufacture a gasket.
  • Japanese Patent Application Laid-Open No. 2005-0281463 (joint sheet and manufacturing method using fibers other than asbestos) relates to a joint sheet and a manufacturing method using fibers other than asbestos, rubber, rubber chemicals, activated clay expanded with fibers and solvents. Or kneading acidic clay and heat rolling it to produce a joint sheet.
  • Japanese Patent Application Laid-Open No. 2000-0034467 (a composition for forming a joint sheet, a joint sheet, and a method for manufacturing the same) relates to a composition for forming a joint sheet, a joint sheet, and a method for manufacturing the same, and includes a non-asbestos-based inorganic fiber, nitrile rubber, and an organic solvent.
  • the composition using toluene is heated and rolled between a hot roll and a cold roll to produce a joint sheet.
  • joint sheet manufacturing method relates to a method for producing a joint sheet, which is obtained by mixing natural rubber or synthetic rubber and filler dissolved in glass fiber, polyamide fiber, and organic solvent.
  • a joint sheet produced by introducing a mixture between a cold roll and a hot roll is disclosed.
  • the crosslinking method of the gasket sheet of the above technology is a sulfur crosslinking method and has a more weak heat resistance compared to the peroxide crosslinking method.
  • Republic of Korea Patent No. 10-1326558 non-asbestos sheet and gasket composition registered and filed by the applicant of the present invention relates to the non-asbestos sheet and gasket composition, 60 to 80 parts by weight of acrylonitrile butadiene rubber 20 to 100 parts by weight of reinforcing fiber, 10 to 50 parts by weight of silica, 1 to 5 parts by weight of silane coupling agent, metal oxide 2 to 100 parts by weight of a substrate composed of 10 to 20 parts by weight of high density polyethylene resin and 10 to 20 parts by weight of natural rubber It is comprised so that the composition which consists of -5 weight part, 1-2 weight part of stearic acid, 200-600 weight part of inorganic fillers, and 2-5 weight part of peroxide crosslinking agents is manufactured by the press molding method.
  • the present invention has been made to solve the above problems, made of a mixture of inorganic ceramics, organic-inorganic fibers and additives, crosslinking agents for a substrate composed of hydrogenated acrylonitrile butadiene rubber, ethylene propylene diene rubber, butadiene rubber and fluorine rubber
  • a substrate composed of hydrogenated acrylonitrile butadiene rubber, ethylene propylene diene rubber, butadiene rubber and fluorine rubber
  • the present invention is based on 100 parts by weight of the substrate consisting of 60 to 80% by weight of hydrogenated acrylonitrile butadiene rubber, 5 to 10% by weight ethylene propylene diene rubber, 5 to 10% by weight butadiene rubber and 10 to 20% by weight of fluorine rubber,
  • a high heat resistance organic-inorganic composite non-asbestos gasket composition comprising 10 to 50 parts by weight of aramid fiber, 50 to 200 parts by weight of glass fiber, 300 to 600 parts by weight of inorganic filler, and additives for gasket composition and peroxide crosslinking agent As a solution.
  • the hydrogenated acrylonitrile butadiene rubber has an acryl natryl content of 30 to 40% by weight, and has a pattern viscosity (ML 1 + 4 , 100 ° C.) of 40 to 80.
  • the ethylene propylene diene rubber, the pattern viscosity [ML 1 + 4 (125 ° C)] has a range of 30 to 50, it is preferable to have a diene content of 3% by weight or less.
  • the said butadiene rubber has a pattern viscosity [ML 1 + 4 (100 degreeC)] 30-45 range.
  • the fluorine rubber, the pattern viscosity [ML 1 + 4 (121 °C)] has a range of 30 to 50, it is preferable that the fluorine content has a range of 66 to 71% by weight.
  • the inorganic filler is preferably used alone or in combination of two or more of kaolin, barium sulfate or mica.
  • the present invention is a method for producing a gasket, hydrogenated acrylonitrile butadiene rubber 60 to 80% by weight, ethylene propylene diene rubber 5 to 10% by weight, butadiene rubber 5 to 10% by weight and fluorine rubber 10 to 20% by weight 10 to 50 parts by weight of aramid fiber, 50 to 200 parts by weight of glass fiber, 300 to 600 parts by weight of inorganic filler, and additives for gasket composition and peroxide crosslinking agent in 100 parts by weight of a kneader mixer. Kneading at 120 ° C.
  • a method of manufacturing a gasket using a high heat-resistant organic-inorganic composite non-asbestos gasket composition characterized in that the configuration, including as (S200) as another solution to the problem.
  • the present invention can be used at the maximum continuous operating temperature of the gasket at a high temperature of 320 °C or more, the residual stress has the effect of having a high heat resistance of 20Mpa or more.
  • 1 is a flow chart showing a method of manufacturing a gasket using a high heat-resistant organic-inorganic composite non-asbestos gasket composition
  • the present invention relates to a high heat-resistant organic-inorganic composite non-asbestos gasket composition and a method for manufacturing a gasket using the same, and only the parts necessary for understanding the technical configuration of the present invention are described, and the description of other parts scatters the gist of the present invention. Note that it will be omitted so as not to fall short.
  • High heat-resistant organic-inorganic composite non-asbestos gasket composition according to the present invention, hydrogenated acrylonitrile butadiene rubber 60 to 80% by weight, ethylene propylene diene rubber 5 to 10% by weight, butadiene rubber 5 to 10% by weight and fluorine rubber 10 ⁇ 10 to 50 parts by weight of aramid fiber, 50 to 200 parts by weight of glass fiber, 300 to 600 parts by weight of inorganic filler, 5 to 20 parts by weight of metal oxide, 1 to 2 parts by weight of stearic acid, based on 100 parts by weight of the substrate composed of 20% by weight. , 5 to 20 parts by weight of cinnamic diacrylate, 5 to 20 parts by weight of titanium oxide, and 3 to 10 parts by weight of a peroxide crosslinking agent.
  • the hydrogenated acrylonitrile butadiene rubber In order to form 100 parts by weight of the hydrogenated acrylonitrile butadiene rubber, it is preferable to use 60 to 80% by weight. If the amount is less than 60% by weight, there is a problem that the oil resistance of the gasket is lowered, when the amount exceeds 80% by weight there is a problem that the effect of improving heat resistance is inferior.
  • the hydrogenated acrylonitrile butadiene rubber used in the present invention has an acrylic natrile content of 30 to 40% by weight in consideration of oil resistance, and a pattern viscosity (ML 1 + 4 , 100 ° C.) in the range of 40 to 80 in consideration of compound processability. It is preferable to use the description of.
  • the hydrogenated acrylonitrile butadiene rubber (HNBR) is a known material prepared by the selective and controlled hydrogenation reaction to NBR, the degree of hydrogenation is very variable depending on the amount of catalyst and reaction conditions, etc. Instead, all known hydrogenated acrylonitrile butadiene rubbers can be applied.
  • the ethylene propylene diene rubber is preferably 5 to 10% by weight in order to achieve 100 parts by weight of the base material for heat resistance improvement. If the amount is less than 5% by weight, the effect of improving the heat resistance of the gasket is insignificant, and if the amount exceeds 20% by weight, oil resistance is lowered, and there is a problem inferior in workability.
  • the ethylene propylene diene rubber used in the present invention has a pattern viscosity [ML 1 + 4 (125 ° C.)] in the range of 30 to 50 for improving heat resistance, and it is preferable to apply a material having a diene content of 3% by weight or less.
  • the butadiene rubber is preferably 5 to 10% by weight in order to achieve 100 parts by weight of the base material for heat resistance improvement. If the amount is less than 5% by weight, the effect of improving the heat resistance of the gasket is insignificant, and when the amount is more than 10% by weight, oil resistance is lowered and workability is inferior.
  • Butadiene rubber used in the present invention is preferably applied to the pattern viscosity [ML 1 + 4 (100 °C)] 30 ⁇ 45 range for improving the compound workability.
  • the fluorine rubber is preferably 10 to 20% by weight to achieve 100 parts by weight of the base material for heat resistance improvement. If the amount is less than 10% by weight of the gasket heat resistance improvement effect is insignificant, when the amount exceeds 20% by weight there is a problem of poor workability.
  • the fluorine rubber used in the present invention has a pattern viscosity [ML 1 + 4 (121 ° C.)] of 30 to 50 in order to improve heat resistance, and it is preferable to apply a material having a fluorine content of 66 to 71% by weight.
  • the glass fiber used in the present invention is preferably used 50 to 200 parts by weight with respect to 100 parts by weight of the base material, less than 50 parts by weight is insufficient heat resistance improvement effect, when it exceeds 200 parts by weight of the compound viscosity increase There exists a problem that workability falls.
  • the inorganic filler used in the present invention is used as an inorganic ceramic alone or in combination of two or more of kaolin, barium sulfate or mica, and 300 to 600 parts by weight based on 100 parts by weight of the substrate. At this time, when the amount is less than 300 parts by weight, there is a problem that the heat resistance of the gasket is inferior, and when the amount exceeds 600 parts by weight, the workability of the compound is lowered.
  • the additive and peroxide crosslinking agent for the gasket composition used in the present invention are additives and crosslinking agents already widely used in the art, and are not limited to a specific kind and content, and various known additives and crosslinking agents which may constitute the gasket composition. Can be applied.
  • metal oxide for example, 5 to 20 parts by weight of metal oxide, 1 to 2 parts by weight of stearic acid, and 5 to 30 parts by weight of titanium oxide may be used based on 100 parts by weight of the base material, which is generally referred to as the type and range used in a rubber composition. Can be.
  • cyan diacrylate in addition to the cyan diacrylate may be used in 5 to 20 parts by weight based on 100 parts by weight of the base material, when less than 5 parts by weight of the gasket composition has an effect of improving the cross-linking is also less effective to improve the heat resistance, more than 20 parts by weight If you do not have the flexibility of the sheet, there is a problem of surface bubble generation when forming the gasket sheet.
  • a peroxide crosslinking agent may be used for crosslinking the compound, and it is preferable to use 3 to 10 parts by weight with respect to 100 parts by weight of the substrate. If the weight part exceeds, the flexibility of the gasket sheet is reduced, there is a problem that the mechanical strength due to the generation of scotch during processing.
  • the crosslinking agent used in the present invention is preferably an organic peroxide compound, and as the organic peroxide crosslinking agent, 2,5-bis (tertbutylperoxy) -2,5-dimethyl-3-hexene, ditertbutyl peroxide , 2,5-bis (tertbutylperoxy) -2,5-dimethyl-hexene, dibenzoylperoxide, bis (tertbutylperoxyisopropyl) benzene, butyl 4,4-bis (tertbutylperoxy) baler And 1,1-bis (tertbutylperoxy) 3,3,5-trimethylchlorohexane, tertbutylperoxybenzoate, lauryl peroxide, dicumyl peroxide and the like can be used.
  • 2,5-bis (tertbutylperoxy) -2,5-dimethyl-3-hexene ditertbutyl peroxide
  • the manufacturing method of the gasket using the high heat resistance organic-inorganic composite non-asbestos gasket composition is as follows.
  • hydrogenated acrylonitrile butadiene rubber 60 to 80% by weight, ethylene propylene diene rubber 5 to 10% by weight, butadiene rubber 5 to 10% by weight and fluorine rubber 10 to 20% by weight 10 to 50 parts by weight of aramid fiber, 50 to 200 parts by weight of glass fiber, 300 to 600 parts by weight of inorganic filler, 5 to 20 parts by weight of metal oxide, 1 to 2 parts by weight of stearic acid, and zinc diacryl 5 to 20 parts by weight, 5 to 20 parts by weight of titanium oxide, and 3 to 10 parts by weight of peroxide crosslinking agent were kneaded in a kneader mixer at 100 to 120 ° C.
  • the kneading conditions in the step S100 may be said to be a range that is commonly applied in the art.
  • step S200 after the sheet-like mixture is molded using a heat press, heat treatment at 150 ⁇ 250 °C 0.5 ⁇ 3 hours, when the heat treatment conditions are heat treated less than 0.5 hours within the temperature range, gasket
  • the heat resistance improvement effect of the sheet is insignificant, and if it exceeds 3 hours, there is a problem that the flexibility of the gasket sheet is lowered, and the compression / restore rate is lowered.
  • aramid fiber 20 parts by weight of aramid fiber, 50 parts by weight of glass fiber, based on 100 parts by weight of a substrate composed of 70% by weight of hydrogenated acrylonitrile butadiene rubber, 10% by weight of ethylene propylene diene rubber, 10% by weight of butadiene rubber, and 10% by weight of fluorine rubber, Compound composition consisting of 200 parts by weight of kaolin, 150 parts by weight of barium sulfate, 50 parts by weight of mica, 5 parts by weight of metal oxide, 1 part by weight of stearic acid, 10 parts by weight of zinc diacrylate, 10 parts by weight of titanium oxide, 5 parts by weight of peroxide crosslinking agent Compounds were prepared by kneading at a kneader, kneader, for 100 to 120 ° C.
  • the compound is mixed homogeneously in an open roll mill to produce a compound of 2 mm sheet.
  • the sheet-like compound prepared in this way was introduced into a mold having a mold thickness of 2 mm, press-molded for about 10 minutes at a press condition of 160 ° C. and 150 kg / cm 2 , and then heat-treated at 150 ° C. for 3 hours to prepare an organic-inorganic composite gasket sheet. do.
  • Compound kneading composition consisting of 150 parts by weight of kaolin, 100 parts by weight of barium sulfate, 50 parts by weight of mica, 10 parts by weight of metal oxide, 1 part by weight of stearic acid, 10 parts by weight of zinc diacrylate, 10 parts by weight of titanium oxide, and 5 parts by weight of peroxide crosslinking agent.
  • the compound After kneading, the compound is mixed homogeneously in an open roll mill to produce a compound of 2 mm sheet.
  • the sheet-like compound prepared in this way was put into a mold having a mold thickness of 2 mm, and then press-molded for about 10 minutes under press conditions of 160 ° C. and 150 kg / cm 2 to prepare a gasket sheet.
  • the compound was prepared by kneading a composition consisting of 10 parts by weight of zinc diacrylate, 10 parts by weight of titanium oxide and 5 parts by weight of a peroxide crosslinking agent in a kneader as a compound kneader at 100 to 120 ° C. for about 12 minutes.
  • the compound After kneading, the compound is mixed homogeneously in an open roll mill to produce a compound of 2 mm sheet.
  • the sheet-like compound thus prepared was put into a mold having a mold thickness of 2 mm, press-molded for about 10 minutes at 160 ° C. and 150 kg / cm 2 press conditions, and then heat treated at 200 ° C. for 0.5 hr to prepare an organic-inorganic composite gasket sheet. do.
  • the compound After kneading, the compound is mixed homogeneously in an open roll mill to produce a compound of 2 mm sheet.
  • the sheet-like compound thus prepared was put into a mold having a mold thickness of 2 mm, press-molded for about 10 minutes at 160 ° C. and 150 kg / cm 2 press conditions, and then heat treated at 200 ° C. for 0.5 hr to prepare an organic-inorganic composite gasket sheet. do.
  • compositions of Examples 1 to 3 and Comparative Examples 1 to 3 are summarized as shown in Table 1 below.
  • Residual stress measured using BS 7531 method.
  • the organic-inorganic composite composition shown in Examples 1 to 3 according to the present invention shows a better result than the heat resistance of the conventional non-asbestos gasket, and can be referred to as a gasket composition excellent in mechanical strength.
  • a gasket composition excellent in mechanical strength On the other hand, in the case of Comparative Example 1, there is a problem in which the acrylonitrile rubber composition ratio is 100 parts by weight inferior in heat resistance.
  • Comparative Example 2 60 to 80 wt% of hydrogenated acrylonitrile butadiene rubber, 5 to 10 wt% of ethylene propylene diene rubber, 5 to 10 wt% of butadiene rubber, and 100 parts by weight of hydrogenated acrylonitrile butadiene rubber It was found that the heat resistance of the gasket was inferior by not being in the range of 10 to 20% by weight of fluorine rubber. Comparative Example 3 was found to be inadequate for use as a product of a gasket sheet requiring heat resistance because the inorganic filler, zinc diacrylate, and the like did not reach the use range of the present invention.
  • the present invention is based on 100 parts by weight of the substrate consisting of 60 to 80% by weight of hydrogenated acrylonitrile butadiene rubber, 5 to 10% by weight ethylene propylene diene rubber, 5 to 10% by weight butadiene rubber and 10 to 20% by weight of fluorine rubber, Invented a high heat-resistant organic-inorganic composite non-asbestos gasket composition comprising 10 to 50 parts by weight of aramid fiber, 50 to 200 parts by weight of glass fiber, 300 to 600 parts by weight of inorganic filler, additive for gasket composition and peroxide crosslinking agent Shall be in the form for implementation.
  • the hydrogenated acrylonitrile butadiene rubber has an acryl natryl content of 30 to 40% by weight, and has a pattern viscosity (ML 1 + 4 , 100 ° C.) of 40 to 80.
  • the ethylene propylene diene rubber, the pattern viscosity [ML 1 + 4 (125 ° C)] has a range of 30 to 50, it is preferable to have a diene content of 3% by weight or less.
  • the said butadiene rubber has a pattern viscosity [ML 1 + 4 (100 degreeC)] 30-45 range.
  • the fluorine rubber, the pattern viscosity [ML 1 + 4 (121 °C)] has a range of 30 to 50, it is preferable that the fluorine content has a range of 66 to 71% by weight.
  • the inorganic filler is preferably used alone or in combination of two or more of kaolin, barium sulfate or mica.
  • the present invention is a method for producing a gasket, hydrogenated acrylonitrile butadiene rubber 60 to 80% by weight, ethylene propylene diene rubber 5 to 10% by weight, butadiene rubber 5 to 10% by weight and fluorine rubber 10 to 20% by weight 10 to 50 parts by weight of aramid fiber, 50 to 200 parts by weight of glass fiber, 300 to 600 parts by weight of inorganic filler, and additives for gasket composition and peroxide crosslinking agent in 100 parts by weight of a kneader mixer. Kneading at 120 ° C.
  • a method of manufacturing a gasket using a high heat-resistant organic-inorganic composite non-asbestos gasket composition characterized in that the configuration, including as (S200) as another solution to the problem.
  • the present invention is expected to be widely used in the industry, considering that the maximum continuous operating temperature of the gasket can be used at a high temperature of 320 ° C. or higher, and the residual stress has a high heat resistance of 20 Mpa or more.

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Abstract

La présente invention concerne une composition de joint sans amiante composite organique/inorganique hautement résistante à la chaleur et un procédé de fabrication d'un joint à l'aide de ladite composition et, plus spécifiquement, une composition de joint sans amiante composite organique/inorganique hautement résistante à la chaleur et un procédé de fabrication d'un joint à l'aide de ladite composition, le procédé de fabrication d'un joint par traitement thermique d'une composition obtenue en mélangeant une céramique inorganique, des fibres organiques/inorganiques, des additifs et un agent de réticulation avec un substrat comprenant un caoutchouc acrylonitrile-butadiène hydrogéné, un caoutchouc éthylène-propylène-diène, un caoutchouc butadiène, et un caoutchouc fluorocarboné, de telle sorte que le joint d'étanchéité puisse être utilisé à une température élevée dont la température de fonctionnement continue maximale est d'au moins 320 °C et présente une résistance à la chaleur élevée dont la contrainte résiduelle est d'au moins 20 MPa.
PCT/KR2016/015004 2016-12-21 2016-12-21 Composition de joint sans amiante composite organique/inorganique hautement résistante à la chaleur, et procédé de fabrication d'un joint à l'aide de ladite composition WO2018117290A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5286574A (en) * 1992-04-01 1994-02-15 Hollingsworth & Vose Company Metal composite gasket material
US20070270540A1 (en) * 2003-12-26 2007-11-22 Jsr Corporation Thermoplastic Elastomer Composition and Molded Article Thereof
EP2392610A1 (fr) * 2010-06-02 2011-12-07 Lanxess Deutschland GmbH Nouveaux systèmes à plusieurs composants en caoutchouc thermoplastique
US20120107617A1 (en) * 2009-06-30 2012-05-03 Daikin Industries, Ltd. Laminate
KR101666055B1 (ko) * 2015-05-26 2016-10-13 제일 이엔에스 주식회사 고내열성 유무기 복합 비석면 가스켓 조성물을 이용한 가스켓의 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5286574A (en) * 1992-04-01 1994-02-15 Hollingsworth & Vose Company Metal composite gasket material
US20070270540A1 (en) * 2003-12-26 2007-11-22 Jsr Corporation Thermoplastic Elastomer Composition and Molded Article Thereof
US20120107617A1 (en) * 2009-06-30 2012-05-03 Daikin Industries, Ltd. Laminate
EP2392610A1 (fr) * 2010-06-02 2011-12-07 Lanxess Deutschland GmbH Nouveaux systèmes à plusieurs composants en caoutchouc thermoplastique
KR101666055B1 (ko) * 2015-05-26 2016-10-13 제일 이엔에스 주식회사 고내열성 유무기 복합 비석면 가스켓 조성물을 이용한 가스켓의 제조방법

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