KR20020085368A - Rocker cover gasket composition and methods for preparing the same - Google Patents
Rocker cover gasket composition and methods for preparing the same Download PDFInfo
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- KR20020085368A KR20020085368A KR1020010024851A KR20010024851A KR20020085368A KR 20020085368 A KR20020085368 A KR 20020085368A KR 1020010024851 A KR1020010024851 A KR 1020010024851A KR 20010024851 A KR20010024851 A KR 20010024851A KR 20020085368 A KR20020085368 A KR 20020085368A
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- 239000000203 mixture Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 238000004073 vulcanization Methods 0.000 claims abstract description 17
- 239000006229 carbon black Substances 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000002952 polymeric resin Substances 0.000 claims description 13
- 229920003002 synthetic resin Polymers 0.000 claims description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 230000003712 anti-aging effect Effects 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 238000000748 compression moulding Methods 0.000 claims description 2
- 239000010705 motor oil Substances 0.000 abstract description 9
- 230000000704 physical effect Effects 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 9
- 239000006242 Semi-Reinforcing Furnace Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006168 hydrated nitrile rubber Polymers 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
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- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/08—Insulation or absorption of undesired vibrations or sounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Abstract
본 발명은 록커 커버 가스킷(Rocker cover gasket) 조성물과 그 제조방법에 관한 것으로서, 더욱 상세하게는 종래 록커 커버 개스킷 조성물 중에 고속 압출성형로형 카본 블랙과 카르복실기 함유 가류제를 사용하여 전체적인 가류시스템을 변경시킴으로써, 제조공정 중의 혼합을 용이하게 하고 내열성, 내엔진오일성, 압축영구줄음율, 응력완화율 등의 물성을 향상시켜 누유(leak) 문제를 해결할 수 있는 록커 커버 가스킷(Rocker cover gasket) 조성물과 그 제조방법에 관한 것이다.TECHNICAL FIELD The present invention relates to a rocker cover gasket composition and a method for manufacturing the same, and more particularly, to change the overall vulcanization system using a high-speed extrusion furnace-type carbon black and a carboxyl group-containing vulcanizing agent in a conventional rocker cover gasket composition. Rocker cover gasket composition and its composition which can solve the leakage problem by facilitating mixing in the manufacturing process and improving physical properties such as heat resistance, engine oil resistance, compressive permanent reduction rate, stress relaxation rate, and the like. It relates to a manufacturing method.
Description
본 발명은 록커 커버 가스켓(Rocker cover gasket) 조성물과 그 제조방법에 관한 것으로서, 더욱 상세하게는 종래 록커 커버 가스켓 조성물 중에 고속 압출성형로형 카본 블랙과 카르복실기 함유 가류제를 사용하여 전체적인 가류시스템을 변경시킴으로써, 제조공정 중의 혼합을 용이하게 하고 내열성, 내엔진오일성, 압축영구줄음율, 응력완화율 등의 물성을 향상시켜 누유(leak) 문제를 해결할 수 있는 록커 커버 가스켓(Rocker cover gasket) 조성물과 그 제조방법에 관한 것이다.The present invention relates to a rocker cover gasket composition and a method of manufacturing the same, and more particularly, to change the overall vulcanization system by using a high-speed extrusion furnace-type carbon black and a carboxyl group-containing vulcanizing agent in a conventional rocker cover gasket composition. Rocker cover gasket composition and its composition which can solve the leakage problem by facilitating mixing in the manufacturing process and improving physical properties such as heat resistance, engine oil resistance, compressive permanent reduction rate, stress relaxation rate, etc. It relates to a manufacturing method.
록커 커버 가스켓은 주로 록커 커버와 실린더헤드 내부의 엔진오일을 sealing하는데 사용되는 것이다.The rocker cover gasket is mainly used to seal the engine oil inside the rocker cover and cylinder head.
종래에는 주로 상기 록커 커버 가스켓 재료로 니트릴 부타디엔 고무(HNBR; Hydrogenated Acrylonitrile - Butadiene Rubbers)를 주재로 하고 여기에 카본블랙 등을 혼합한 재료를 프레스(Press)성형하여 록커 커버 가스켓을 제조한 바 있다. 그러나, 프레스 성형법에 의하여 록커 커버 가스켓을 제조하면, 버(Burr)부위가 많이 발생하여 이것을 제거하는 데 많은 노력이 소모되어 공정이 복잡해지고 공정비용이 상승하게 되며, 고분자가 조밀하게 구성되지 않아 록커 커버 가스켓을 체결하는 경우 누유 현상이 발생하는 문제점이 있었다.Conventionally, a rocker cover gasket was manufactured by press-molding a material in which carbon black or the like is mixed, mainly based on nitrile butadiene rubber (HNBR) as the rocker cover gasket material. However, when the rocker cover gasket is manufactured by the press molding method, a lot of burrs are generated and a lot of effort is required to remove them, which increases the complexity of the process and increases the process cost. When the cover gasket is fastened, there was a problem in which oil leakage occurred.
또한, 이를 해결하기 위하여 아크릴계 고분자 수지, 세미 강화로(SEMI-REINFORCING FURNACE, SRF)형 카본 블랙, 저점도 오일, 산화아연, 노화 방지제, 가류 촉진제 및 가류제로 이루어진 록커 커버 조성물이 사용되고 있다. 그러나, 상기 방법 역시 누유 문제를 해결하지 못하여 이에 따라 과다한 비용 문제가 발생하였다. 또한, 제조공정 중 혼합이 불량하여 성형시 금형에 달라 붙어 이를 다시 제거하는 공정이 추가되는 문제가 있었다.In addition, in order to solve this problem, a rocker cover composition including an acrylic polymer resin, a semi-reinforced furnace (SEMI-REINFORCING FURNACE, SRF) type carbon black, low viscosity oil, zinc oxide, an anti-aging agent, a vulcanization accelerator, and a vulcanizing agent is used. However, the above method also did not solve the problem of oil leakage, resulting in excessive cost problems. In addition, there is a problem in that the mixing is poor during the manufacturing process is stuck to the mold during molding, the process of removing it again.
따라서, 본 발명은 상기 종래와 같은 누유 문제를 해결하기 위하여, 록커 커버 가스켓 조성물 중에 사용하는 카본 블랙과 가류제의 종류를 각각 고무의 강도 물성에서 효과가 있는 고속 압출성형로형 카본 블랙과 고무의 점탄성 효과가 있는 카르복실기 함유 가류제를 사용하여 전체적인 가류시스템을 변경시킴으로써, 내열성, 내엔진오일성, 압축영구줄음율 등의 물성 향상으로 누유(leak) 문제를 해결하였고 이에 따라 비용과다 문제를 함께 해결할 수 있어 매우 경제적인 록커 커버 가스켓(Rocker cover gasket) 조성물과 그 제조방법을 제공하는 것을 목적으로 한다.Therefore, in order to solve the oil leakage problem as described above, the present invention uses the carbon black and the vulcanizing agent used in the rocker cover gasket composition, respectively. By changing the overall vulcanization system using a carboxyl group-containing vulcanizing agent with a viscoelastic effect, it solved the leak problem by improving physical properties such as heat resistance, engine oil resistance, and compression set. It is therefore an object of the present invention to provide a very economical rocker cover gasket composition and a method of manufacturing the same.
본 발명은 고분자 수지, 세미 강화로(SEMI-REINFORCING FURNACE, SRF)형 카본 블랙, 저점도 오일, 산화아연, 노화 방지제, 가류 촉진제 및 가류제로 이루어진 록커 커버 가스켓(Rocker cover gasket) 조성물에 있어서, 상기 고분자 수지 100 중량부에 대하여 고속 압출성형로(FAST EXTRUSION FURNACE, FEF)형 카본 블랙 40 ∼ 50 중량부 및 카르복실기 함유 가류제 0.4 ∼ 0.8 중량부가 함유되어 있는 것임을 특징으로 하는 록커 커버 가스켓(Rocker cover gasket) 조성물을 그 특징으로 한다.The present invention relates to a rocker cover gasket composition comprising a polymer resin, a semi-reinforced furnace (SEMI-REINFORCING FURNACE, SRF) type carbon black, low viscosity oil, zinc oxide, an anti-aging agent, a vulcanization accelerator, and a vulcanizing agent. Rocker cover gasket, characterized by containing 40 to 50 parts by weight of FAST EXTRUSION FURNACE (FEF) type carbon black and 0.4 to 0.8 parts by weight of carboxyl group-containing vulcanizing agent based on 100 parts by weight of polymer resin. The composition is characterized by the above-mentioned.
또한, 본 발명은 상기 조성물을 180 ℃에서 3분 50초 ∼ 4분 20초 동안 1차 열처리하고, 180 ℃에서 3시간 50분 ∼ 6시간 동안 2차 열처리 하는 가류 조건으로 열처리한 후 압축성형하여 제조하는 록커 커버 가스켓(Rocker cover gasket)의 제조방법을 포함한다.In addition, the present invention the first heat treatment of the composition at 180 ℃ for 3 minutes 50 seconds to 4 minutes 20 seconds, and heat treatment under vulcanization conditions of secondary heat treatment at 180 ℃ for 3 hours 50 minutes to 6 hours to compression molding It includes a method of manufacturing a rocker cover gasket (Manufacturer).
이하, 본 발명을 더욱 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail.
본 발명은 자동차의 부품으로 사용되는 록커 커버 가스켓의 누유 문제로 인한 비용과다 문제를 해결하기 위하여, 종래 록커 커버 가스켓 조성물 중의 카본 블랙과 가류제의 종류를 변경시킴으로써 내열성, 내엔진오일성, 압축영구줄음율 등의 물성을 향상을 유도하여 누유(leak) 문제를 해결하기 위한 록커 커버 가스켓 조성물과 그 제조방법에 관한 것이다.The present invention is to solve the problem of excessive cost due to the leakage of the rocker cover gasket used as a vehicle part, by changing the type of carbon black and vulcanizing agent in the conventional rocker cover gasket composition heat resistance, engine oil resistance, compression permanent line The present invention relates to a rocker cover gasket composition and a method for manufacturing the same, which induce improvement of physical properties such as sound rate and solve a leak problem.
본 발명의 록커 커버 가스켓(Rocker cover gasket) 조성물은 고분자 수지, 바람직하게는 아크릴 고무(Acrylic Rubber)를 기재로 사용한다.The rocker cover gasket composition of the present invention uses a polymer resin, preferably acrylic rubber, as a substrate.
또한, 본 발명은 카본 블랙으로서 고속 압출성형로(FAST EXTRUSION FURNACE,FEF)형 카본 블랙을 사용함으로써 고무의 강도 물성 향상 역할을 하게 한다. 그 사용함량은 상기 고분자 수지 100 중량부에 대하여 40 ∼ 50 중량부로 사용하며, 이때 그 함량이 40 중량부 미만이면 강도가 약한 문제가 있고, 50 중량부를 초과하면 탄성 물성에 취약한 문제가 있다.In addition, the present invention serves to improve the strength properties of the rubber by using a high-speed extrusion furnace (FAST EXTRUSION FURNACE, FEF) type of carbon black. The used content is used in 40 to 50 parts by weight based on 100 parts by weight of the polymer resin, and if the content is less than 40 parts by weight, there is a problem of weak strength, and if it exceeds 50 parts by weight, there is a problem in that it is vulnerable to elastic properties.
특히, 본 발명에서는 가류제로서 카르복실기 함유 가류제를 사용함으로써, 고무의 점탄성 및 장기 seal성이 향상되는 작용을 하여 종래 록커 커버 가스켓의 고질적인 누유(leak) 문제 발생을 해결할 수 있는 특징이 있다. 그 사용함량은 상기 고분자 수지 100 중량부에 대하여 0.4 ∼ 0.8 중량부로 사용하며, 이때 그 함량이 0.4 중량부 미만이면 점성이 너무 커서 쉽게 끊어지는 문제가 있고, 반면 0.8 중량부를 초과하면 탄성 및 장기 seal성에 취약한 문제가 있어 바람직하지 않다.In particular, in the present invention, by using a carboxyl group-containing vulcanizing agent as a vulcanizing agent, the viscoelasticity and long-term sealability of the rubber are improved to solve the problem of inherent leakage of the conventional rocker cover gasket. The use amount is 0.4 to 0.8 parts by weight based on 100 parts by weight of the polymer resin, and if the content is less than 0.4 parts by weight, there is a problem that the viscosity is too large and easily broken, whereas if it exceeds 0.8 parts by weight, the elasticity and long-term seal It is not desirable to have sex problems.
또한, 본 발명의 록커 커버 가스켓 조성물 중에는 저점도 오일을 사용하며, 바람직하게는 공정유(process oil)를 사용한다. 그 사용함량은 상기 고분자 수지 100 중량부에 대하여 25 ∼ 40 중량부로 사용한다.In the rocker cover gasket composition of the present invention, low viscosity oil is used, and preferably process oil is used. The content is used in 25 to 40 parts by weight based on 100 parts by weight of the polymer resin.
상기 산화아연은 산소 성분에 대하여 안정한 역할을 하는 것으로서, 상기 고분자 수지 100 중량부에 대하여 10 ∼ 20 중량부로 사용한다.The zinc oxide plays a stable role with respect to the oxygen component and is used in an amount of 10 to 20 parts by weight based on 100 parts by weight of the polymer resin.
또한, 본 발명에서 사용하는 노화 방지제는 공기중에서의 고무의 물성을 안정화시키는 역할을 위한 것으로서, 바람직하게는 2-디하이드로(C3H7NHC6H4NHC6H5)로 이루어진 군으로부터 선택되는 것을 사용할 수 있다. 그 사용함량은 상기 고분자 수지 100 중량부에 대하여 10 ∼ 20 중량부로 사용한다.In addition, the anti-aging agent used in the present invention is for stabilizing the physical properties of the rubber in the air, preferably selected from the group consisting of 2-dihydro (C 3 H 7 NHC 6 H 4 NHC 6 H 5 ) Can be used. The content is used in 10 to 20 parts by weight based on 100 parts by weight of the polymer resin.
본 발명에서 사용하는 가류 촉진제는 가류를 촉진시켜 원활한 가류 시스템을 이루게 한다. 이러한 가류 촉진제로는 테트라메틸티우람디하이드로 (CH3)2NCS3CSN(CH3)2로 이루어진 군으로부터 선택되는 것을 사용할 수 있다. 그 사용함량은 상기 고분자 수지 100 중량부에 대하여 5 ∼ 10 중량부로 사용한다.The vulcanization accelerator used in the present invention promotes vulcanization to achieve a smooth vulcanization system. As the vulcanization accelerator, those selected from the group consisting of tetramethylthiuramdihydro (CH 3 ) 2 NCS 3 CSN (CH 3 ) 2 can be used. The content is used in 5 to 10 parts by weight based on 100 parts by weight of the polymer resin.
또한, 본 발명은 상기와 같은 성분들을 이용하여 다음과 같은 록커 커버 가스켓(Rocker cover gasket)의 제조방법을 제공하고자 한다.In addition, the present invention is to provide a method of manufacturing the following rocker cover gasket (Rocker cover gasket) using the above components.
본 발명은 록커 커버 가스켓을 제조하기 위하여, 상기 기재의 고분자 수지, 카본 블랙, 저점도 오일, 산화아연, 노화 방지제, 가류 촉진제 및 가류제로 이루어진 록커 커버 가스켓(Rocker cover gasket) 조성물의 가류 조건으로서, 2회에 걸친 열처리를 수행하는 특징이 있다. 이에 따라, 내열성, 내엔진오일성, 압축영구줄음율, 응력완화율 등의 물성을 향상시켜 종래 록커 커버 가스켓의 고질적인 누유 문제를 해결하고, 이로 인해 내구성도 향상시킬 수 있다.The present invention provides a rocking cover gasket composition comprising a polymer resin, carbon black, low viscosity oil, zinc oxide, an anti-aging agent, a vulcanization accelerator, and a vulcanizing agent in order to manufacture a rocker cover gasket, It is characterized by performing two heat treatments. Accordingly, by improving physical properties such as heat resistance, engine oil resistance, compressive permanent reduction rate, stress relaxation rate, etc., the problem of inherent leakage of the conventional rocker cover gasket can be solved, thereby improving durability.
본 발명의 가류조건에서 수행하는 열처리 온도는 170 ∼ 180 ℃가 바람직하며, 더욱 바람직하게는 180 ℃에서 실시한다. 상기 가류 조건은 180 ℃에서 3분 50초 ∼ 4분 20초 동안 1차 열처리를 수행하며, 이때 상기 열처리 시간이 상기 범위를 벗어나면 화학 성분들간에 안정적인 결합에 문제가 있다. 또한, 본 발명은 상기 1차 열처리가 완료된 조성물을 다시 180 ℃에서 3시간 50분 ∼ 6시간 동안 2차 열처리를 하며, 이때 상기 열처리 시간이 상기 범위를 벗어나면 고무의 장기 seal성에 취약한 문제가 있다.The heat treatment temperature performed under the vulcanization conditions of the present invention is preferably 170 to 180 ° C, more preferably at 180 ° C. The vulcanization condition is a first heat treatment for 3 minutes 50 seconds to 4 minutes 20 seconds at 180 ℃, if the heat treatment time is out of the range there is a problem in the stable bonding between the chemical components. In addition, the present invention is a secondary heat treatment for 3 hours 50 minutes to 6 hours at 180 ℃ again the composition of the first heat treatment is completed, when the heat treatment time is out of the range there is a problem in the long-term sealability of rubber .
본 발명은 상기 가류 조건으로 열처리를 실시한 후 통상적인 방법으로 압축성혐함으로써, 록커 커버 가스켓을 얻을 수 있다.The present invention can obtain a rocker cover gasket by performing heat treatment under the vulcanization conditions and then compressing in a conventional manner.
이와 같이, 본 발명에 따르면 록커 커버 가스켓 조성물 중에 종래와 사용하는 활성 염소나 황등의 가류제와 다른 고속 압출성형로형 카본 블랙을 사용하고 카르복실기 함유 가류제를 사용하여 전체적인 가류시스템을 변경시킴으로써, 내열성, 내엔진오일성, 압축영구줄음율 등의 물성을 향상시켜 누유(leak) 문제를 해결하고 제조공정 중의 혼합(mixing)을 용이하게 하여 금형에 달라 붙지 않아 공정시간을 단축시킴으로써, 비용절감의 효과가 매우 크다.Thus, according to the present invention, by using a fast extrusion furnace carbon black different from the conventional vulcanizing agents such as chlorine and sulfur used in the rocker cover gasket composition and changing the overall vulcanization system by using a carboxyl group-containing vulcanizing agent, It improves physical properties such as engine oil resistance and compressive permanent shrinkage, solves the leakage problem, facilitates mixing during the manufacturing process, and does not stick to the mold to shorten the process time. very big.
이하, 본 발명을 다음의 실시예에 의거하여 상세히 설명하겠는바, 본 발명이 이들에 의해 한정되는 것은 아니다.Hereinafter, the present invention will be described in detail based on the following examples, but the present invention is not limited thereto.
실시예 및 비교예Examples and Comparative Examples
다음 표 1과 같은 조성과 함량으로 록커 커버 가스켓 조성물을 제조하였다.Next, a rocker cover gasket composition was prepared in the same composition and content as Table 1 below.
그런 다음, 실시예 및 비교예의 조성물에 대하여 다음 표 2와 같은 상태 물성(경도, 인장강도, 신율), 내열성, 내엔진오일성, 유중 내압축성, 내오존성, 내한성 등의 기계적 물성을 통상적인 방법으로 측정하였고, 그 결과를 다음 표 2에 나타내었다.Then, mechanical properties such as state properties (hardness, tensile strength, elongation), heat resistance, engine oil resistance, oil resistance in oil, ozone resistance, cold resistance, etc., as shown in the following Table 2, for the compositions of Examples and Comparative Examples It was measured, and the results are shown in Table 2 below.
이상에서 설명한 바와 같이, 본 발명의 록커 커버 가스켓(Rocker cover gasket) 조성물과 그 제조방법은 조성물 중의 카본블랙으로서 고속 압출성형로용 카본 블랙을 사용하고 가류제로서 카르복실기 함유 가류제를 사용함으로써, 내열성, 내엔진오일성, 압축영구줄음율 등의 물성 향상으로 누유(leak) 문제를 해결하였고, 또한 혼합(mixing)의 용이성으로 공정시간을 단축시켜 비용절감의 효과를 나타내어 자동차의 록커 커버 가스켓으로 사용하기에 매우 적합하다.As described above, the rocker cover gasket composition of the present invention and its manufacturing method are heat-resistant by using carbon black for high-speed extrusion furnace as carbon black in the composition and carboxyl group-containing vulcanizing agent as vulcanizing agent. It has solved the leak problem by improving the physical properties such as engine oil resistance and compressive permanent shrinkage, and it also reduces the process time by the ease of mixing, thus reducing the cost and using it as a locker cover gasket of a car. Very suitable for
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100410703B1 (en) * | 2001-06-19 | 2003-12-18 | 현대자동차주식회사 | Rocker cover gasket composition for plastic and methods for preparing the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09132715A (en) * | 1996-08-16 | 1997-05-20 | Toray Dow Corning Silicone Co Ltd | Silicone rubber composition |
| KR19980067272A (en) * | 1997-02-01 | 1998-10-15 | 성기웅 | Composite elastomeric composition for automotive exterior |
| KR19990043776A (en) * | 1997-11-29 | 1999-06-15 | 정몽규 | Manufacturing method of rocker cover gasket |
| KR19990061200A (en) * | 1997-12-31 | 1999-07-26 | 정몽규 | Compression Material Composition for Automotive Locker Cover Gasket |
| KR20020021626A (en) * | 2000-03-07 | 2002-03-21 | 가와소에 가츠히코 | Sealing method of rocker cover |
-
2001
- 2001-05-08 KR KR1020010024851A patent/KR20020085368A/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09132715A (en) * | 1996-08-16 | 1997-05-20 | Toray Dow Corning Silicone Co Ltd | Silicone rubber composition |
| KR19980067272A (en) * | 1997-02-01 | 1998-10-15 | 성기웅 | Composite elastomeric composition for automotive exterior |
| KR19990043776A (en) * | 1997-11-29 | 1999-06-15 | 정몽규 | Manufacturing method of rocker cover gasket |
| KR19990061200A (en) * | 1997-12-31 | 1999-07-26 | 정몽규 | Compression Material Composition for Automotive Locker Cover Gasket |
| KR20020021626A (en) * | 2000-03-07 | 2002-03-21 | 가와소에 가츠히코 | Sealing method of rocker cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100410703B1 (en) * | 2001-06-19 | 2003-12-18 | 현대자동차주식회사 | Rocker cover gasket composition for plastic and methods for preparing the same |
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