KR102634385B1 - Composition of high-fatigue materials of bushes for damper mount - Google Patents
Composition of high-fatigue materials of bushes for damper mount Download PDFInfo
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- KR102634385B1 KR102634385B1 KR1020230125916A KR20230125916A KR102634385B1 KR 102634385 B1 KR102634385 B1 KR 102634385B1 KR 1020230125916 A KR1020230125916 A KR 1020230125916A KR 20230125916 A KR20230125916 A KR 20230125916A KR 102634385 B1 KR102634385 B1 KR 102634385B1
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- 239000000463 material Substances 0.000 title claims abstract description 51
- 239000000203 mixture Substances 0.000 title claims abstract description 21
- 238000004073 vulcanization Methods 0.000 claims abstract description 51
- 229920000642 polymer Polymers 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000006229 carbon black Substances 0.000 claims abstract description 17
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 16
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011593 sulfur Substances 0.000 claims abstract description 12
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 239000013527 degreasing agent Substances 0.000 claims abstract description 4
- 238000005237 degreasing agent Methods 0.000 claims abstract description 4
- 239000003518 caustics Substances 0.000 claims description 11
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 8
- 239000012188 paraffin wax Substances 0.000 claims description 8
- PGAXJQVAHDTGBB-UHFFFAOYSA-N dibutylcarbamothioylsulfanyl n,n-dibutylcarbamodithioate Chemical compound CCCCN(CCCC)C(=S)SSC(=S)N(CCCC)CCCC PGAXJQVAHDTGBB-UHFFFAOYSA-N 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 5
- VRKQEIXDEZVPSY-UHFFFAOYSA-N 4-n-phenyl-4-n-propan-2-ylbenzene-1,4-diamine Chemical compound C=1C=C(N)C=CC=1N(C(C)C)C1=CC=CC=C1 VRKQEIXDEZVPSY-UHFFFAOYSA-N 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- REQPQFUJGGOFQL-UHFFFAOYSA-N dimethylcarbamothioyl n,n-dimethylcarbamodithioate Chemical compound CN(C)C(=S)SC(=S)N(C)C REQPQFUJGGOFQL-UHFFFAOYSA-N 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- 229940037312 stearamide Drugs 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- WKYDSPCZFOCWGG-UHFFFAOYSA-N 2-morpholin-4-yl-1,3-benzothiazole-4-thiol Chemical compound N=1C=2C(S)=CC=CC=2SC=1N1CCOCC1 WKYDSPCZFOCWGG-UHFFFAOYSA-N 0.000 claims description 2
- 239000003223 protective agent Substances 0.000 claims 4
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 description 22
- 239000000047 product Substances 0.000 description 17
- 229920001971 elastomer Polymers 0.000 description 14
- 239000005060 rubber Substances 0.000 description 14
- 244000043261 Hevea brasiliensis Species 0.000 description 8
- 229920003052 natural elastomer Polymers 0.000 description 8
- 229920001194 natural rubber Polymers 0.000 description 8
- 239000003755 preservative agent Substances 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 3
- 229960002447 thiram Drugs 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229920003049 isoprene rubber Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008041 oiling agent Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 239000000725 suspension 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/01—Hydrocarbons
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
- C08K5/40—Thiurams, i.e. compounds containing groups
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
-
- 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
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
Abstract
본 발명은 댐퍼마운트 부시의 고피로 재료 조성물에 관한 것으로서, 더욱 상세하게는 CMB(Carbon Master Batch) 및 FMB(Final Master Batch) 공정을 통해 제조되는 댐퍼마운트 부시의 내구성능 향상을 위한 고피로 재료 조성물에 있어서, 상기 CMB 공정에서는 폴리머 100 중량부에 대하여 카본블랙 35 ~ 45 중량부, 노방제 5 ~ 8 중량부 및 가공조제 1 ~ 2 중량부 비율로 첨가되고, 상기 FMB 공정에서는 폴리머 100 기준에 대하여 황 1 ~ 2 중량부 및 가류촉진제 5 ~ 8 중량부 비율로 첨가되는 것을 특징으로 한다.
즉 본 발명은 CMB 공정에서 폴리머 100 중량부에 대하여 카본블랙, 노방제 및 가공조제를 소정 비율로 첨가하고, FMB 공정에서 폴리머 100 중량부에 대하여 황과 가류촉진제를 소정 비율로 첨가하여 가류 성형함으로써 내마모성능 및 피로내구성능을 향상시킬 수 있는 댐퍼마운트 부시의 고피로 재료 조성물을 제안하고자 한다.The present invention relates to a high-fatigue material composition for a damper mount bush, and more specifically, to a high-fatigue material composition for improving the durability of a damper mount bush manufactured through CMB (Carbon Master Batch) and FMB (Final Master Batch) processes. In the CMB process, 35 to 45 parts by weight of carbon black, 5 to 8 parts by weight of degreasing agent and 1 to 2 parts by weight of processing aid are added based on 100 parts by weight of polymer, and in the FMB process, based on 100 parts by weight of polymer. It is characterized in that 1 to 2 parts by weight of sulfur and 5 to 8 parts by weight of vulcanization accelerator are added.
That is, in the present invention, carbon black, a furnace agent, and a processing aid are added at a predetermined ratio to 100 parts by weight of the polymer in the CMB process, and sulfur and a vulcanization accelerator are added at a predetermined ratio to 100 parts by weight of the polymer in the FMB process, thereby performing vulcanization molding. We would like to propose a high-fatigue material composition for a damper mount bush that can improve wear resistance and fatigue durability.
Description
본 발명은 CMB 공정에서 폴리머 100 중량부에 대하여 카본블랙, 노방제 및 가공조제를 소정 비율로 첨가하고, FMB 공정에서 폴리머 100 중량부에 대하여 황과 가류촉진제를 소정 비율로 첨가하여 가류 성형함으로써 내마모성능 및 피로내구성능을 향상시킬 수 있는 댐퍼마운트 부시의 고피로 재료 조성물에 관한 것이다.In the present invention, carbon black, an anti-oxidant, and a processing aid are added at a predetermined ratio to 100 parts by weight of the polymer in the CMB process, and sulfur and a vulcanization accelerator are added at a predetermined ratio per 100 parts by weight of the polymer in the FMB process, and vulcanization is performed to achieve wear resistance. It relates to a high-fatigue material composition for a damper mount bush that can improve performance and fatigue durability.
자동차 주행에 따른 충격을 완충하기 위해 목적으로 차량에는 기구적인 구조의 서스펜션과 더불어 인슐레이터, 댐퍼마운트 등이 설치되고 있다.Insulators, damper mounts, etc., as well as mechanical suspensions, are installed in vehicles to cushion the impact of driving.
특히 댐퍼마운트는 쇽업쇼버 고정 및 노면에서 발생하는 진동을 절연하여 승차감을 향상시키는 역할을 한다. 이러한 댐퍼마운트의 핵심 부품인 부시의 경우 높은 내구성이 요구되고 있다.In particular, the damper mount plays a role in improving riding comfort by fixing the shock absorber and insulating vibrations from the road surface. Bushes, which are key components of these damper mounts, are required to have high durability.
기존 고무 재료로 제조된 댐퍼마운트 부시의 경우 저동배율재료 내지 고탄성 재료로 제조된 경우 NVH, 피로내구성능이 우수한 것으로 평가된다. 이럼에도 불구하고 지속적인 내구 불만족에 따라 제품 마모능력과 내구력을 보다 향상시킬 수 있고, 특히 피로내구성을 만족할 수 있는 고피로 고무 소재의 개발이 절실히 요구되고 있다.In the case of damper mount bushes made of existing rubber materials, NVH and fatigue durability performance are evaluated to be excellent when made of low dynamic magnification materials or high elasticity materials. Despite this, due to continued durability dissatisfaction, there is an urgent need for the development of high-fatigue rubber materials that can further improve product wear ability and durability, and especially satisfy fatigue durability.
본 발명은 상기한 바와 같은 문제점을 해결하기 위해 안출된 것으로,The present invention was created to solve the problems described above,
CMB 공정에서 폴리머 100 중량부에 대하여 카본블랙, 노방제 및 가공조제를 소정 비율로 첨가하고, FMB 공정에서 폴리머 100 중량부에 대하여 황과 가류촉진제를 소정 비율로 첨가하여 가류 성형함으로써 내마모성능 및 피로내구성능을 향상시킬 수 있는 댐퍼마운트 부시의 고피로 재료 조성물을 제공하는 것을 목적으로 한다.In the CMB process, carbon black, an anti-oxidant, and a processing aid are added at a certain ratio to 100 parts by weight of the polymer, and in the FMB process, sulfur and a vulcanization accelerator are added at a certain ratio to 100 parts by weight of the polymer and vulcanized to improve wear resistance and fatigue. The purpose is to provide a high-fatigue material composition for a damper mount bush that can improve durability performance.
본 발명에 따른 댐퍼마운트 부시의 고피로 재료 조성물은 CMB(Carbon Master Batch) 및 FMB(Final Master Batch) 공정을 통해 제조되는 댐퍼마운트 부시의 내구성능 향상을 위한 고피로 재료 조성물에 있어서, 상기 CMB 공정에서는 폴리머 100 중량부에 대하여 카본블랙 35 ~ 45 중량부, 노방제 5 ~ 8 중량부 및 가공조제 1 ~ 2 중량부 비율로 첨가되고, 상기 FMB 공정에서는 폴리머 100 기준에 대하여 황 1 ~ 2 중량부 및 가류촉진제 5 ~ 8 중량부 비율로 첨가되는 것을 특징으로 한다.The high-fatigue material composition of the damper mount bush according to the present invention is a high-fatigue material composition for improving the durability of the damper mount bush produced through the CMB (Carbon Master Batch) and FMB (Final Master Batch) processes, the CMB process In the FMB process, 35 to 45 parts by weight of carbon black, 5 to 8 parts by weight of degreasing agent, and 1 to 2 parts by weight of processing aid are added based on 100 parts by weight of polymer, and in the FMB process, 1 to 2 parts by weight of sulfur is added based on 100 parts by weight of polymer. and a vulcanization accelerator is added in an amount of 5 to 8 parts by weight.
본 발명에 따른 상기 노방제는 PARAFFIN WAX로 이루어진 제1 노방제와, PARAFFIN Wax로 이루어진 제2 노방제와, N-isopropyl-N-phenyl-p-phenylenediamine로 이루어진 제3 노방제를 포함하는 것을 특징으로 한다.The anti-preservative agent according to the present invention is characterized in that it includes a first anti-preservative agent consisting of PARAFFIN WAX, a second anti-corrosive agent consisting of PARAFFIN Wax, and a third anti-corrosive agent consisting of N-isopropyl-N-phenyl-p-phenylenediamine. Do it as
본 발명에 따른 상기 노방제는 상기 폴리머 100 중량부에 대하여 제1 노방제 2 ~ 3 중량부, 제2 노방제 1 ~ 2 중량부 및 제3 노방제 2 ~ 3 중량부인 것을 특징으로 한다.The anti-corrosive agent according to the present invention is characterized in that it contains 2 to 3 parts by weight of the first anti-corrosive agent, 1 to 2 parts by weight of the second anti-corrosive agent, and 2 to 3 parts by weight of the third anti-corrosive agent, based on 100 parts by weight of the polymer.
본 발명에 따른 상기 가공조제는 Stearic Acid와 Stearamide로 이루어진 것을 특징으로 한다.The processing aid according to the present invention is characterized in that it consists of Stearic Acid and Stearamide.
본 발명에 따른 상기 가류촉진제는 2-(4-모르폴리닐) 멜캅토벤조티아졸로 이루어진 제1 가류촉진제와, 테트라부틸 티우람 다이설파이드(Tetrabutylthiuram disulfide, TBTD)로 이루어진 제2 가류촉진제와, 테트라메틸 티우람 황화물로 이루어진 제3 가류촉진제를 포함하는 것을 특징으로 한다.The vulcanization accelerator according to the present invention includes a first vulcanization accelerator consisting of 2-(4-morpholinyl) melcaptobenzothiazole, a second vulcanization accelerator consisting of tetrabutylthiuram disulfide (TBTD), and tetra It is characterized in that it contains a third vulcanization accelerator consisting of methyl thiuram sulfide.
본 발명에 따른 상기 가류촉진제는 상기 폴리머 100 중량부에 대하여 제1 가류촉진제 1 ~ 2 중량부, 제2 가류촉진제 2 ~ 3 중량부 및 제3 가류촉진제 2 ~ 3 중량부인 것을 특징으로 한다.The vulcanization accelerator according to the present invention is characterized in that it contains 1 to 2 parts by weight of the first vulcanization accelerator, 2 to 3 parts by weight of the second vulcanization accelerator, and 2 to 3 parts by weight of the third vulcanization accelerator, based on 100 parts by weight of the polymer.
본 발명에 따른 댐퍼마운트 부시의 고피로 재료 조성물은 CMB 공정에서 폴리머 100 중량부에 대하여 카본블랙, 노방제 및 가공조제를 소정 비율로 첨가하고, FMB 공정에서 폴리머 100 중량부에 대하여 황과 가류촉진제를 소정 비율로 첨가하여 가류 성형함으로써 내마모성능 및 피로내구성능을 향상시킬 수 있다.The high-fatigue material composition of the damper mount bush according to the present invention is made by adding carbon black, an anti-corrosion agent, and a processing aid at a predetermined ratio per 100 parts by weight of polymer in the CMB process, and sulfur and a vulcanization accelerator per 100 parts by weight of polymer in the FMB process. Wear resistance and fatigue durability can be improved by adding at a predetermined ratio and performing vulcanization molding.
또한 본 발명은 고피로 재료 조성물로 제작된 댐퍼마운트 부시는 일반 재료 대비 80% 이상 내구력이 개선되었을 뿐만 아니라, 고탄성 재료 대비 내구력을 1.5배 이상 내구력을 향상시킬 수 있다. In addition, in the present invention, the damper mount bush made of a high-fatigue material composition not only has improved durability by more than 80% compared to general materials, but can also improve durability by more than 1.5 times compared to high-elasticity materials.
도 1은 본 발명에 따른 댐퍼마운트 부시의 고피로 재료 조성물로 제조된 댐퍼마운트를 나타내는 단면도. 1 is a cross-sectional view showing a damper mount manufactured from the high-fatigue material composition of the damper mount bush according to the present invention.
본명과 본 발명의 동작상의 이점 및 본 발명의 실시에 의하여 달성되는 목적을 설명하기 위하여 이하에서는 본 발명의 바람직한 실시례를 예시하고 이를 참조하여 살펴본다.In order to explain the present invention, the operational advantages of the present invention, and the purpose achieved by practicing the present invention, preferred embodiments of the present invention will be exemplified and examined with reference to them.
먼저, 본 출원에서 사용한 용어는 단지 특정한 실시례를 설명하기 위해 사용된 것으로서, 본 발명을 한정하려는 의도가 아니며, 단수의 표현은 문맥상 명백하게 다르게 뜻하지 않는 한, 복수의 표현을 포함할 수 있다. 또한 본 출원에서, "포함하다" 또는 "가지다" 등의 용어는 명세서 상에 기재된 특징, 숫자, 단계, 동작, 구성요소, 부품 또는 이들을 조합한 것이 존재함을 지정하려는 것이지, 하나 또는 그 이상의 다른 특징들이나 숫자, 단계, 동작, 구성요소, 부품 또는 이들을 조합한 것들의 존재 또는 부가 가능성을 미리 배제하지 않는 것으로 이해되어야 한다.First, the terms used in this application are only used to describe specific embodiments and are not intended to limit the present invention, and singular expressions may include plural expressions unless the context clearly indicates otherwise. In addition, in the present application, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other It should be understood that this does not exclude in advance the presence or addition of features, numbers, steps, operations, components, parts, or combinations thereof.
본 발명을 설명함에 있어서, 관련된 공지 구성 또는 기능에 대한 구체적인 설명이 본 발명의 요지를 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명은 생략한다.In describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description will be omitted.
도 1 내지 도 3에 도시된 바와 같이 본 발명에 따른 댐퍼마운트 부시의 고피로 재료 조성물은 CMB(Carbon Master Batch) 공정에서 원료 고무와 카본, 오일, 보강제 등의 배합제 혼련을 통해 반제품 상태의 배합고무를 제조한다.As shown in Figures 1 to 3, the high-fatigue material composition of the damper mount bush according to the present invention is mixed in a semi-finished product state through mixing raw rubber and mixing agents such as carbon, oil, and reinforcing agents in the CMB (Carbon Master Batch) process. manufactures rubber.
이 후 FMB(Final Master Batch) 공정에서는 CMB 단계의 배합고무에 가류제, 가류촉진제 등을 첨가하여 가류가 될 수 있는 고무를 제조하게 된다.Afterwards, in the FMB (Final Master Batch) process, vulcanizing agents and vulcanizing accelerators are added to the compounded rubber of the CMB stage to produce rubber that can be vulcanized.
먼저 CMB 공정에서 고피로 재료 조성물의 배합비는 폴리머(NR) 100 중량부에 대하여 카본블랙, 노방제 및 가공조제 등의 배합제를 혼련하여 반제품 상태의 배합고무를 제조하게 된다.First, in the CMB process, the mixing ratio of the high-fatigue material composition is mixed with mixing agents such as carbon black, anti-corrosion agent, and processing aid for 100 parts by weight of polymer (NR) to produce compound rubber in a semi-finished product state.
다음으로 FMB 공정에서는 CMB 상태의 배합고무에 황과 가류촉진제를 첨가하여 가류 가능한 고무를 제조하게 된다.Next, in the FMB process, sulfur and a vulcanization accelerator are added to the CMB compound rubber to produce vulcanizable rubber.
본 발명은 폴리머 100 중량부에 대하여 카본블랙 35 ~ 45 중량부, 노방제 5 ~ 8 중량부 및 가공조제 1 ~ 2 중량부 비율로 첨가하였고, 가류를 위해 황 1 ~ 2 중량부 및 가류촉진제 5 ~ 8 중량부 비율로 첨가하였다.In the present invention, 35 to 45 parts by weight of carbon black, 5 to 8 parts by weight of degreasing agent, and 1 to 2 parts by weight of processing aid were added to 100 parts by weight of polymer, and for vulcanization, 1 to 2 parts by weight of sulfur and 5 to 5 parts by weight of vulcanization accelerator were added. It was added at a rate of ~8 parts by weight.
상기 조성물에 포함되는 폴리머, 카본블랙, 노방제, 가공조제, 황 및 가류촉진제 등은 당업자가 본 발명의 목적 및 효과를 손상시키지 않는 범위 내에서 용이하게 선정이 가능하며, 바람직하게는 실시례에서 제공하는 것을 사용할 수 있다. 상기 재료 외에도 당해분야에서 통상적으로 이용되는 첨가물을 더 포함할 수 있다.The polymer, carbon black, furnace agent, processing aid, sulfur, and vulcanization accelerator included in the composition can be easily selected by a person skilled in the art within the range without impairing the purpose and effect of the present invention, and are preferably used in the examples. You can use what is provided. In addition to the above materials, additives commonly used in the field may be further included.
먼저 원료인 폴리머는 천연고무(NR)을 단독으로 사용하였고, 천연고무 외에 합성고무를 첨가하여 사용할 수 있으며, 합성고무로는 스티렌부타디엔고무(SBR), 이소프렌고무(IR), 부타디엔고무(BR), 및 아크릴로니트릴고무(NBR)로 이루어진 군으로부터 선택되는 1종 이상일 수 있으나, 이에 제한되는 것은 아니다.First, natural rubber (NR) was used alone as the raw material polymer, and it can be used by adding synthetic rubber in addition to natural rubber. Synthetic rubbers include styrene butadiene rubber (SBR), isoprene rubber (IR), and butadiene rubber (BR). , and acrylonitrile rubber (NBR), but is not limited thereto.
카본블랙은 N550, N330, N477로 이루어진 군으로부터 선택되는 1종 이상을 사용할 수 있다.Carbon black may be one or more types selected from the group consisting of N550, N330, and N477.
노방제는 PARAFFIN WAX(제1 노방제)와, PARAFFIN Wax(제2 노방제)와, N-isopropyl-N-phenyl-p-phenylenediamine(제3 노방제)로 이루어진 군으로부터 선택되는 1종 이상을 포함할 수 있다.The pollutant is one or more selected from the group consisting of PARAFFIN WAX (the first pollutant), PARAFFIN Wax (the second pollutant), and N-isopropyl-N-phenyl-p-phenylenediamine (the third pollutant). It can be included.
가공조제는 Stearic Acid와 Stearamide를 포함할 수 있고, 배합비율은 폴리머 100 중량부에 대하여 1 ~ 2 중량부인 것이 바람직하다.The processing aid may include Stearic Acid and Stearamide, and the mixing ratio is preferably 1 to 2 parts by weight per 100 parts by weight of the polymer.
황의 함량은 폴리머 100 중량부에 대하여 소정 비율로 배합될 수 있다.The content of sulfur can be mixed in a predetermined ratio based on 100 parts by weight of polymer.
가류촉진제는 2-(4-모르폴리닐) 멜캅토 벤조티아졸(제1 가류촉진제), 테트라부틸 티우람 다이설파이드(Tetrabutylthiuram disulfide, TBTD)(제2 가류촉진제), 테트라메틸 티우람 황화물(제3 가류촉진제), 티우람(제4 가류촉진제)로 이루어진 군으로부터 선택되는 1종 이상을 포함할 수 있다.The vulcanization accelerators are 2-(4-morpholinyl) mercapto benzothiazole (first vulcanization accelerator), tetrabutylthiuram disulfide (TBTD) (second vulcanization accelerator), and tetramethyl thiuram sulfide (second vulcanization accelerator). 3 vulcanization accelerator) and thiuram (fourth vulcanization accelerator).
이하, 실시예를 통하여 본 발명을 더욱 상세히 설명하고자 한다. 이들 실시예는 오로지 본 발명을 보다 구체적으로 설명하기 위한 것으로서, 본 발명의 범위가 이들 실시예에 의해 제한되지 않는다는 것은 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에게 있어 자명할 것이다.Hereinafter, the present invention will be described in more detail through examples. These examples are only for illustrating the present invention in more detail, and it will be apparent to those skilled in the art that the scope of the present invention is not limited by these examples.
[실시례][Example]
- 폴리머 : NR- Polymer: NR
- 카본블랙 : N330, N550, N477- Carbon black: N330, N550, N477
- 노방제 : PARAFFIN WAX(제1 노방제), PARAFFIN Wax(제2 노방제), N-isopropyl-N-phenyl-p-phenylenediamine(제3 노방제)- No-preservatives: PARAFFIN WAX (the first anti-preservative agent), PARAFFIN Wax (the second anti-preservative agent), N-isopropyl-N-phenyl-p-phenylenediamine (the third anti-preservative agent)
- 가공조제 : Stearic Acid, Stearamide- Processing aids: Stearic Acid, Stearamide
- 가류촉진제 : 2-(4-모르폴리닐) 멜캅토벤조티아졸(NBS, 제1 가류촉진제), 테트라부틸 티우람 다이설파이드(Tetrabutylthiuram disulfide, TBTD 75N, 제2 가류촉진제), 테트라메틸 티우람 황화물(TMTM 75N, 제3 가류촉진제), 티우람(제4 가류촉진제)- Vulcanization accelerator: 2-(4-morpholinyl) melcaptobenzothiazole (NBS, first vulcanization accelerator), tetrabutylthiuram disulfide (TBD 75N, second vulcanization accelerator), tetramethyl thiuram Sulfide (TMTM 75N, third vulcanization accelerator), thiuram (fourth vulcanization accelerator)
제조예Manufacturing example
표 1의 배합비율에 따라 천연고무에 카본블랙을 첨가하여 함께 혼합하고, 혼합된 혼합물을 압출기의 1차 투입구로 투입하고, 소정 온도에서 융용하여 고무 조성물을 제조하였다.Carbon black was added to natural rubber according to the mixing ratio in Table 1 and mixed together, and the mixed mixture was introduced into the first inlet of the extruder and melted at a predetermined temperature to prepare a rubber composition.
표 1에서 배합 콘셉트는 기존 양산품(일반재료), 고피로 재료의 비교군을 T1 에서 T4까지 선정하였다. 보다 구체적으로 원료고무인 폴리머는 양산품 및 고피로 재료인 T1 ~ T4 모두 NR 단독으로 하였고, 카본블랙은 양산품은 N330, T1은 N330 및 N550, T2 및 T3는 N330 및 N774, T4는 N550을 소정 비율로 첨가하였다. 또한 양산품, T1 ~ T3에서 노방제(제1, 제2 및 제3 노방제)와 가류촉진제(제1, 제2, 제3 및 제4 가류촉진제)를 각각 선택적으로 첨가하였고, T4는 제1, 제2 및 제3 노방제와 제1, 제2 및 제3 가류촉진제를 소정 비율로 첨가하였다. 가공조제의 경우 T3만 첨가하지 않고, 나머지 비교 대상에는 소정 비율로 첨가하였다.In Table 1, the mixing concept was selected as a comparison group of existing mass-produced products (general materials) and high-fatigue materials from T1 to T4. More specifically, the polymer, which is the raw rubber, was made of NR alone for both mass-produced products and high-fatigue materials T1 to T4, and carbon black was made with N330 for mass-produced products, N330 and N550 for T1, N330 and N774 for T2 and T3, and N550 for T4. Added. In addition, in mass-produced products, T1 to T3, vulcanization agents (1st, 2nd, and 3rd vulcanization accelerators) and vulcanization accelerators (1st, 2nd, 3rd, and 4th vulcanization accelerators) were selectively added, respectively, and T4 was the first vulcanization accelerator. , the second and third preservatives and the first, second and third vulcanization accelerators were added in a predetermined ratio. In the case of processing aids, only T3 was not added, but a predetermined ratio was added to the remaining comparison items.
측정예Measurement example
상기 제조예에서 제조된 고무 조성물을 시편으로 제작하여, 아래 같은 방법으로 MS 평가(경도, 인장강도, 신장률, 압축영구줄음률, 내온존성, 재료피로내구성), 노화성 평가, 제품 ES 평가(일반 재료 : 고피로 재료, 고탄성 재료 : 고피로 재료)를 위한 측정을 실시하고, 그 결과는 표 2 내지 표 5에 반영하였다.The rubber composition prepared in the above production example was manufactured as a specimen, and the following methods were used for MS evaluation (hardness, tensile strength, elongation, compression set, temperature resistance, material fatigue durability), aging evaluation, and product ES evaluation (general Measurements were conducted for (material: high-fatigue material, high-elasticity material: high-fatigue material), and the results were reflected in Tables 2 to 5.
(1) MS 평가(1) MS evaluation
MS270-05 F에 따라 시험편의 경도, 인장강도, 신장률, 압축영구줄음률, 내오존성 및 3D 내구평가(재료피로내구성)를 측정하였다.The hardness, tensile strength, elongation, compression set, ozone resistance, and 3D durability evaluation (material fatigue durability) of the test specimen were measured according to MS270-05 F.
표 2에서 인장강도 및 신장률의 경우 고피로 재료(T1 ~ T4) 중 T4의 인장강도가 가장 크게 나타났고, 또한 양산품, 즉 일반재료의 인장강도 및 신장률과 거의 유사하게 나타났음을 확인할 수 있다.In Table 2, it can be seen that in terms of tensile strength and elongation, the tensile strength of T4 was the highest among high-fatigue materials (T1 to T4), and was almost similar to the tensile strength and elongation of mass-produced products, that is, general materials.
또한 3D 내구평과, 즉 재료피로내구성 평가는 내구 조건으로 속도를 3.7Hz로 하였고, 진폭은 ±15mm로 하였다. 그 결과 표 2와 같이 고피로 재료 중 T4의 내구성 평가가 가장 높았으며, 특히 양산품, 즉 일반재료의 내구성 대비 월등히 앞서는 것을 확인할 수 있다.In addition, for the 3D durability evaluation, that is, the material fatigue durability evaluation, the speed was set to 3.7Hz and the amplitude was ±15mm as the durability condition. As a result, as shown in Table 2, the durability evaluation of T4 was the highest among high-fatigue materials, and it was confirmed that it was significantly superior to the durability of mass-produced products, that is, general materials.
(2) 노화성 평가(2) Aging evaluation
MS270-05 F에 따라 시험편의 노화물성인 경도 변화율(△Hs), 인장강도 변화율(△Tb) 및 신장률 변화율(△Eb)를 측정하였다. 평가결가는 표 3에 나타내었다.According to MS270-05 F, the aging properties of the test specimen, such as hardness change rate (△Hs), tensile strength change rate (△Tb), and elongation rate change rate (△Eb), were measured. The evaluation results are shown in Table 3.
(3) 제품 ES 평가(일반 재료 : 고피로 재료)(3) Product ES evaluation (general materials: high fatigue materials)
댐퍼마운트(RS4 Damper Mount)의 제품에 대한 ES 특성을 평가하였다. 표 4는 일반재료(양산품)과 고피로 재료를 대비 평가한 결과이다.The ES characteristics of the RS4 Damper Mount product were evaluated. Table 4 shows the results of evaluation comparing general materials (mass-produced products) and high-fatigue materials.
(4) 제품 ES 평가(고탄성 재료 : 고피로 재료)(4) Product ES evaluation (high elasticity material: high fatigue material)
부시(JW Hydro G Bush)의 제품에 대한 ES 특성을 평가하였다. 표 5는 고탄성 재료와 고피로 재료를 대비 평가한 결과이다.The ES characteristics of products from JW Hydro G Bush were evaluated. Table 5 shows the results of comparative evaluation of high elasticity materials and high fatigue materials.
위 결과에서 알 수 있는 바와 같은 고피로 재료 중 T4의 경우 MS 평가에서 가장 우수한 평가 결과를 확인할 수 있으며, 특히 일반재료인 양산품과 거의 동등한 평가 결과를 확인할 수 있다. 특히 내구성평가에서는 양산품보다 월등히 우수한 결과를 확인할 수 있다. 또한 노후성 평가의 경우에도 양산품과 동등 이상의 결과를 확인할 수 있다.As can be seen from the above results, among the high-fatigue materials, T4 shows the best evaluation results in MS evaluation, and in particular, evaluation results that are almost equivalent to those of mass-produced products, which are general materials, can be confirmed. In particular, in durability evaluation, the results can be confirmed to be significantly superior to those of mass-produced products. In addition, in the case of aging evaluation, results that are equivalent to or better than those of mass-produced products can be confirmed.
또한 표 4 및 표 5에서 확인할 수 있는 바와 같이 ES 평가에서 한계 내구 평가 결과는 양산품인 일반재료 대비 80% 내구력이 개선되는 것을 확인할 수 있고, 아울러 고탄성 재료에 대비하여 내구력이 1.5배 우수하고, 실차 평가 시 액 누유 없음을 확인하였다.In addition, as can be seen in Table 4 and Table 5, the limit durability evaluation results in the ES evaluation confirm that durability is improved by 80% compared to general materials that are mass-produced products, and durability is 1.5 times superior to high-elasticity materials, and is 1.5 times better than actual vehicle materials. Upon evaluation, it was confirmed that there was no liquid leakage.
상기한 바와 같은 평가 결과에서 확인할 할 수 있는 바와 같이, 고피로 재료 중 T4가 최적 배합비율로 조성되고, 이러한 배합 비율은 다음과 같다.As can be seen from the above-mentioned evaluation results, among the high-fatigue materials, T4 is composed at the optimal mixing ratio, and this mixing ratio is as follows.
본 발명은 고피로 재료 조성물은 폴리머(NR) 100 중량부에 대하여 카본블랙은 35 ~ 45 중량부인 것을 바림직하다. 여기서 카본블랙(N550)의 함량이 35 중량부 미만인 경우에는 카본블랙에 의한 보강성능이 제대로 발현되지 않아 바람직하지 않으며, 함량이 45 중량부를 초과할 경우에는 고무조성물의 가공성이 저하될 수 있어 바람직하지 않다. 따라서 카본블랙의 배합비율은 폴리머 100 중량부에 대하여 35 ~ 44 중량부 범위 내로 제한되는 것이 바람직하다.In the present invention, the high-fatigue material composition preferably contains 35 to 45 parts by weight of carbon black based on 100 parts by weight of polymer (NR). Here, if the content of carbon black (N550) is less than 35 parts by weight, it is not desirable because the reinforcing performance of the carbon black is not properly developed. If the content is more than 45 parts by weight, the processability of the rubber composition may be reduced, so it is not desirable. not. Therefore, the mixing ratio of carbon black is preferably limited to 35 to 44 parts by weight based on 100 parts by weight of polymer.
본 발명에 따른 노방제의 경우 제1 노방제는 2 ~ 3 중량부, 제2 노방제는 1 ~ 2 중량부 및 제3 노방제는 2 ~ 3 중량부이 비율로 첨가되는 것이 바람직하다.In the case of the anti-corrosive agent according to the present invention, it is preferable that the first anti-corrosive agent is added in a ratio of 2 to 3 parts by weight, the second anti-corrosion agent in an amount of 1 to 2 parts by weight, and the third anti-corrosion agent in a ratio of 2 to 3 parts by weight.
본 발명에 따른 가공조제는 1 ~ 2 중량부인 것이 바람직하다.The processing aid according to the present invention is preferably 1 to 2 parts by weight.
본 발명에 따른 황 함량은 1 ~ 2 중량부인 것이 바림직하다.The sulfur content according to the present invention is preferably 1 to 2 parts by weight.
본 발명에 따른 가류촉진제는 제1 가류촉진제 1 ~ 2 중량부, 제2 가류촉진제 2 ~ 3 중량부 및 제3 가류촉진제 2 ~ 3 중량부인 것이 바람직하다.The vulcanization accelerator according to the present invention preferably contains 1 to 2 parts by weight of the first vulcanization accelerator, 2 to 3 parts by weight of the second vulcanization accelerator, and 2 to 3 parts by weight of the third vulcanization accelerator.
이와 같이 본 발명은 도면에 도시된 일실시례를 참고로 설명되었으나, 이는 예시적인 것에 불과하며, 본 기술 분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시례가 가능하다는 점을 이해할 것이다.As such, the present invention has been described with reference to an embodiment shown in the drawings, but this is merely illustrative, and various modifications and other equivalent embodiments can be made by those skilled in the art. You will understand.
따라서 본 발명의 진정한 기술적 보호범위는 첨부된 청구범위의 기술적 사상에 의해 정해져야 할 것이다.Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the attached claims.
Claims (6)
상기 CMB 공정에서는 폴리머 100 중량부에 대하여 카본블랙 35 ~ 45 중량부, 노방제 5 ~ 8 중량부 및 가공조제 1 ~ 2 중량부 비율로 첨가되고,
상기 FMB 공정에서는 폴리머 100 기준에 대하여 황 1 ~ 2 중량부 및 가류촉진제 5 ~ 8 중량부 비율로 첨가되되,
상기 노방제는 PARAFFIN WAX로 이루어진 제1 노방제와, PARAFFIN Wax로 이루어진 제2 노방제와, N-isopropyl-N-phenyl-p-phenylenediamine로 이루어진 제3 노방제를 포함하고,
상기 노방제는 상기 폴리머 100 중량부에 대하여 제1 노방제 2 ~ 3 중량부, 제2 노방제 1 ~ 2 중량부 및 제3 노방제 2 ~ 3 중량부이며,
상기 가공조제는 Stearic Acid와 Stearamide로 이루어지고,
상기 가류촉진제는 2-(4-모르폴리닐) 멜캅토 벤조티아졸로 이루어진 제1 가류촉진제와, 테트라부틸 티우람 다이설파이드(Tetrabutylthiuram disulfide, TBTD)로 이루어진 제2 가류촉진제와, 테트라메틸 티우람 황화물로 이루어진 제3 가류촉진제를 포함하며,
상기 가류촉진제는 상기 폴리머 100 중량부에 대하여 제1 가류촉진제 1 ~ 2 중량부, 제2 가류촉진제 2 ~ 3 중량부 및 제3 가류촉진제 2 ~ 3 중량부인 것을 특징으로 하는 댐퍼마운트 부시의 고피로 재료 조성물.In the high-fatigue material composition for improving the durability of damper mount bushes manufactured through CMB (Carbon Master Batch) and FMB (Final Master Batch) processes,
In the CMB process, 35 to 45 parts by weight of carbon black, 5 to 8 parts by weight of degreasing agent, and 1 to 2 parts by weight of processing aid are added to 100 parts by weight of polymer,
In the FMB process, 1 to 2 parts by weight of sulfur and 5 to 8 parts by weight of vulcanization accelerator are added based on 100 polymers.
The protective agent includes a first protective agent made of PARAFFIN WAX, a second protective agent made of PARAFFIN Wax, and a third protective agent made of N-isopropyl-N-phenyl-p-phenylenediamine,
The anti-corrosive agent is 2 to 3 parts by weight of the first anti-corrosive agent, 1 to 2 parts by weight of the second anti-corrosive agent, and 2 to 3 parts by weight of the third anti-corrosion agent, based on 100 parts by weight of the polymer.
The processing aid consists of Stearic Acid and Stearamide,
The vulcanization accelerator includes a first vulcanization accelerator consisting of 2-(4-morpholinyl) mercapto benzothiazole, a second vulcanization accelerator consisting of tetrabutylthiuram disulfide (TBTD), and tetramethyl thiuram sulfide. It includes a third vulcanization accelerator consisting of,
The high fatigue of the damper mount bush, characterized in that the vulcanization accelerator is 1 to 2 parts by weight of the first vulcanization accelerator, 2 to 3 parts by weight of the second vulcanization accelerator, and 2 to 3 parts by weight of the third vulcanization accelerator based on 100 parts by weight of the polymer. Material composition.
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| KR20070060787A (en) | 2005-12-09 | 2007-06-13 | 현대자동차주식회사 | Mount bush |
| KR20140022311A (en) * | 2012-08-14 | 2014-02-24 | 한국타이어 주식회사 | Rubber composition for tire tread and tire manufactured by using thesame |
| KR20220008615A (en) * | 2020-07-14 | 2022-01-21 | 넥센타이어 주식회사 | Rubber composition for tire and tire manufactured by using the same |
| KR20220095276A (en) * | 2020-12-29 | 2022-07-07 | 주식회사 삼오테크 | Damping rubber composition |
| KR102427656B1 (en) * | 2021-11-24 | 2022-08-02 | (주)자운테크 | Busy rubber composition for vehicle suspension device having excellent ozone resistance and carbon steel-rubber adhesion property |
| KR20230123084A (en) * | 2022-02-15 | 2023-08-23 | 현대자동차주식회사 | Rubber composition for motor mount with improved fatigue resistance and rubber for motor mount comprising the same |
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- 2023-09-20 KR KR1020230125916A patent/KR102634385B1/en active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070060787A (en) | 2005-12-09 | 2007-06-13 | 현대자동차주식회사 | Mount bush |
| KR20140022311A (en) * | 2012-08-14 | 2014-02-24 | 한국타이어 주식회사 | Rubber composition for tire tread and tire manufactured by using thesame |
| KR20220008615A (en) * | 2020-07-14 | 2022-01-21 | 넥센타이어 주식회사 | Rubber composition for tire and tire manufactured by using the same |
| KR20220095276A (en) * | 2020-12-29 | 2022-07-07 | 주식회사 삼오테크 | Damping rubber composition |
| KR102427656B1 (en) * | 2021-11-24 | 2022-08-02 | (주)자운테크 | Busy rubber composition for vehicle suspension device having excellent ozone resistance and carbon steel-rubber adhesion property |
| KR20230123084A (en) * | 2022-02-15 | 2023-08-23 | 현대자동차주식회사 | Rubber composition for motor mount with improved fatigue resistance and rubber for motor mount comprising the same |
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