KR0153322B1 - Lubricant composition for construction of brake parts of motor - Google Patents

Lubricant composition for construction of brake parts of motor

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Publication number
KR0153322B1
KR0153322B1 KR1019950047477A KR19950047477A KR0153322B1 KR 0153322 B1 KR0153322 B1 KR 0153322B1 KR 1019950047477 A KR1019950047477 A KR 1019950047477A KR 19950047477 A KR19950047477 A KR 19950047477A KR 0153322 B1 KR0153322 B1 KR 0153322B1
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KR
South Korea
Prior art keywords
lubricant composition
present
brake parts
brake
assembling
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Application number
KR1019950047477A
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Korean (ko)
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KR970042971A (en
Inventor
박주천
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전성원
현대자동차주식회사
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Priority to KR1019950047477A priority Critical patent/KR0153322B1/en
Publication of KR970042971A publication Critical patent/KR970042971A/en
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Publication of KR0153322B1 publication Critical patent/KR0153322B1/en

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/04—Hydroxy compounds
    • C10M129/10—Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

본 발명은 자동차의 브레이크 부품 조립용 윤활제 조성물에 관한 것으로서, 더욱 상세하게는 폴리프로필렌글리콜을 주성분으로 하고 여기에 금속 부식방지제로서 트리에탄올아민, 벤조트리아졸 및 머캅토벤조트리아졸과 산화방지제로서 비스페놀-A를 첨가하여 이루어짐으로써 자동차의 브레이크 장치를 구성하는 마스터 실린더등의 조립시 윤활작용을 용이하게 하고 부식을 방지할 수 있는 새로운 조성의 자동차 브레이크 부품 조립용 비광유 조립 윤활제 조성물에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricant composition for assembling brake parts of automobiles, and more particularly, to polyethanolamine, triethanolamine, benzotriazole and mercaptobenzotriazole and metal bisphenol- as antioxidants. The present invention relates to a non-mineral oil assembly lubricant composition for assembling automobile brake parts of a new composition that facilitates lubrication and prevents corrosion during assembly of a master cylinder constituting a brake device of an automobile by adding A.

Description

자동차의 브레이크 부품 조립용 윤활제 조성물Lubricant composition for assembly of brake parts of automobiles

본 발명은 자동차의 브레이크 부품 조립용 윤활제 조성물에 관한 것으로서, 더욱 상세하게는 폴리프로필렌글리콜을 주성분으로 하고 여기에 금속 부식방지제로서 트리에탄올아민, 벤조트리아졸 및 머캅토벤조트리아졸과 산화방지제로서 비스페놀-A를 첨가하여 이루어짐으로써 자동차의 브레이크 장치를 구성하는 마스터 실린더등의 조립시 윤활작용을 용이하게 하고 부식을 방지할 수 있는 새로운 조성의 자동차 브레이크 부품 조립용 비광유 조립 윤활제 조성물에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricant composition for assembling brake parts of automobiles, and more particularly, to polyethanolamine, triethanolamine, benzotriazole and mercaptobenzotriazole and metal bisphenol- as antioxidants. The present invention relates to a non-mineral oil assembly lubricant composition for assembling automobile brake parts of a new composition that facilitates lubrication and prevents corrosion during assembly of a master cylinder constituting a brake device of an automobile by adding A.

종래의 브레이크 장치용 조립 윤활유는 반고상 상태의 광유계 또는 비광유계 그리이스로서 지방산에 비누기, 예를들면 리튬, 칼슘 등을 반응시킨 검화물에 윤활기유를 혼합하여 만들어 사용하고 있으나, 이들은 각종 부품에 부착성이 커서 많은량이 잔류될 수 있고, 과량으로 사용될 수도 있으며, 도포작업시 수작업으로 진행되기 때문에 작업시간이 많이 소요되고, 전체면에 고루 도포되지 않아 도포가 불량한 부분에는 부식이 발생되기도 하는 문제가 있었다.Conventional assembly lubricating oils for brake devices are semi-solid mineral or non-mineral greases, which are made by mixing lubricating base oils with saponified compounds reacted with fatty acids and soap groups such as lithium and calcium. Because of the high adhesiveness on the part, a large amount can be left, it can be used in excess, and it takes a lot of work time because it is done by hand during the application work, and corrosion occurs in the poor application part because it is not evenly applied on the whole surface. There was a problem.

한편, 브레이크 장치용 조립 윤활유로 실리콘 오일이 사용되기도 하지만 이 경우 브레이크 부품중 고무컵에 과대팽윤을 일으켜 지름증가, 경도변화, 부피증가 등이 야기되는 문제가 있었다.On the other hand, silicone oil may be used as the assembly lubricant for the brake device, but in this case, the rubber cup of the brake parts causes excessive swelling, causing problems such as diameter increase, hardness change, and volume increase.

따라서, 본 발명자는 상기와 같은 종래기술의 문제점을 극복하고자 노력한 결과 주원료로서 비광유인 폴리프로필렌글리콜을 사용하고 여기에 부식방지제로서 트리에탄올아민, 벤조트리아졸 및 머캅토벤조트리아졸과 산화방지제로서 비스페놀-A를 첨가함으로써 자동차의 브레이크 부품 등을 조립한 후 장시간 보관시 부식을 방지할 수 있는 본 발명의 자동차 브레이크 부품 조립용 윤활제 조성물을 개발하게 되었다.Therefore, the present inventors have tried to overcome the problems of the prior art as a result of using polypropylene glycol which is a non-mineral oil as a main raw material, and triethanolamine, benzotriazole and mercaptobenzotriazole as a corrosion inhibitor and bisphenol as an antioxidant. The addition of -A has led to the development of a lubricant composition for assembling automobile brake parts of the present invention, which is capable of preventing corrosion during long time storage after assembling brake parts of an automobile.

본 발명은 자동차 브레이크 부품 등을 조립할 때 윤활작용을 용이하게 하고 부식을 방지할 수 있는 새로운 조성의 윤활제 조성물을 제공하는데 그 목적이 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide a lubricant composition having a new composition that can facilitate lubrication and prevent corrosion when assembling automobile brake parts and the like.

이하, 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail.

본 발명은 자동차 브레이크 부품 조립용 윤활제 조성물에 있어서, 폴리프로필렌글리콜 95∼99 중량%, 트리에탄올아민 0.2∼1.0 중량%, 벤조트리아졸 0.1∼0.5 중량%, 머캅토벤조트리아졸 0.1∼0.5 중량% 및 비스페놀-A 0.2∼1.0 중량%로 이루어진 것을 그 특징으로 한다.The present invention is a lubricant composition for assembling automobile brake parts, polypropylene glycol 95-99% by weight, triethanolamine 0.2-1.0% by weight, benzotriazole 0.1-0.5% by weight, mercaptobenzotriazole 0.1-0.5% by weight and It is characterized by consisting of 0.2 to 1.0% by weight of bisphenol-A.

이와 같은 본 발명을 더욱 상세히 설명하면 다음과 같다.Referring to the present invention in more detail as follows.

본 발명은 비광유인 폴리프로필렌글리콜을 주원료로 하고 여기에 금속 부식방지제로서 트리에탄올아민등과 산화방지제로서 비스페놀-A를 첨가함으로써 조립시 윤활작용이 용이하고 보관시 부식의 방지가 가능한 새로운 조성의 자동차 브레이크 부품 조립용 윤활제 조성물에 관한 것으로서, 본 발명에서 주원료로 사용하는 폴리프로필렌글리콜은 비광유로서 프로필렌 옥사이드(propylene oxide)와 물을 중합반응시킨 것으로 그의 구조식은 다음 (Ⅰ)과 같다.The present invention is made of polypropylene glycol, which is a non-mineral oil, and contains triethanolamine, etc. as a metal corrosion inhibitor, and bisphenol-A as an antioxidant, thereby lubricating during assembly and preventing corrosion during storage. The present invention relates to a lubricant composition for assembling brake parts, wherein a polypropylene glycol used as a main raw material in the present invention is a non-mineral oil polymerized with propylene oxide and water, and the structural formula thereof is as follows (I).

상기 구조를 갖는 폴리프로필렌글리콜은 분자구조중에 OH기를 가지고 있으므로 자동차용 비광유계 브레이크액(예 : DOT 3, DOT 4 등) 등과 아주 잘 섞이고, 또한 브레이크액의 기능에 영향을 주지 않으므로 광유계 그리이스나 실리콘 오일처럼 분리가 되거나 침전을 일으키지 않으며, 고무부품을 용해시키거나 침식시키지 않는 특성을 가지고 있는데, 본 발명에서는 폴리프로필렌글리콜 중 분자량이 1,000∼4,000 인 것을 사용하는 것이 도포작업이나 부착성 면에서 적합하다.Since the polypropylene glycol having the above structure has an OH group in its molecular structure, it is mixed very well with automobile non-mineral oil-based brake fluids (e.g. DOT 3, DOT 4, etc.), and also does not affect the function of the brake fluid. It does not separate or cause sedimentation like silicone oil and does not dissolve or erode rubber parts. In the present invention, the use of polypropylene glycol having a molecular weight of 1,000 to 4,000 in terms of coating or adhesion Suitable.

또한, 자동차 브레이크 조립용 비광유계 윤활제가 구비해야 할 중요한 성능중의 하나가 금속의 부식방지인데, 브레이크 부품 등을 조립한 후 장시간 보관시 대기중의 수분에 의해 금속에 부식이 발생될 수 있기 때문에 본 발명에서는 이를 방지할 수 있는 금속 부식방지제로서 트리에탄올아민(triethanol amine) 0.2∼1.0 중량%, 벤조트리아졸(benzotriazole) 0.1∼0.5 중량% 및 머캅토벤조트리아졸(mercapto benzotriazole) 0.1∼0.5 중량%를 사용하며, 이들의 함량이 상기 범위를 벗어나면 부식방지 효과가 미흡하거나 비경제적이다.In addition, one of the important performances that a non-mineral oil lubricant for automobile brake assembly should have is corrosion prevention of metal, which may cause corrosion to the metal due to moisture in the air when the brake parts are assembled and stored for a long time. Therefore, in the present invention, 0.2 to 1.0 wt% of triethanol amine, 0.1 to 0.5 wt% of benzotriazole, and 0.1 to 0.5 wt% of mercapto benzotriazole as metal corrosion inhibitors to prevent this. % Is used, and if their content is outside the above range, the corrosion protection effect is insufficient or uneconomical.

또한, 본 발명에서 산화방지제로서 비스페놀-A(bisphenol-A) 0.2∼1.0 중량%를 사용하는데 이 범위를 벗어나면 목적하는 바의 효과를 거두기 어렵거나 비경제적이다.In addition, in the present invention, 0.2 to 1.0 wt% of bisphenol-A (bisphenol-A) is used as an antioxidant. If it is out of this range, it is difficult or uneconomical to achieve the desired effect.

상기한 바와 같이 구성됨으로써 본 발명의 윤활제 조성물은 자동차의 브레이크 장치를 구성하는 마스터 실린더(master cylinder)나 휠 실린더(wheel cylinder) 등의 각종 부품을 가공한 후 피스톤이나 고무컵(rubber cup) 등을 실린더에 조립할 때 윤활작용을 하여 용이하게 조립될 수 있도록 하며, 또한 조립완료 후 보관시 대기중의 수분에 의해 각 부품의 녹발생을 방지할 수 있는 효과가 있어 해당부분에 유용하게 사용할 수 있다.By the configuration as described above, the lubricant composition of the present invention after processing various parts such as a master cylinder (wheel cylinder), such as a master cylinder (wheel cylinder) constituting the brake device of the vehicle after the piston or rubber cup (rubber cup) It can be easily assembled by lubricating when assembling on the cylinder, and it can also be useful for the part because it prevents the occurrence of rust of each part by moisture in the air during storage after assembly is completed.

이하, 본 발명을 실시예에 의거 상세히 설명하면 다음과 같은 바, 본 발명이 실시예에 의해 한정되는 것은 아니다.Hereinafter, the present invention will be described in detail with reference to Examples, but the present invention is not limited by the Examples.

[실시예 1∼4]EXAMPLES 1-4

다음 표 1의 배합비율에 따라 폴리프로필렌글리콜(분자량 3,000)에 트리에탄올아민을 넣어 약 1분간 교반한 후 벤조트리아졸과 머캅토벤조트리아졸 및 비스페놀-A를 투입한 다음 약 30분간 교반하여 본 발명의 윤활제 조성물을 제조하였다.Next, after adding triethanolamine to polypropylene glycol (molecular weight 3,000) according to the mixing ratio of Table 1 and stirring for about 1 minute, benzotriazole, mercaptobenzotriazole and bisphenol-A were added thereto, followed by stirring for about 30 minutes. Lubricant composition was prepared.

[실험예]Experimental Example

상기 실시예 1∼4에서 제조한 윤활제 조성물을 종래의 시판제품(비교예)과 비교하여 자동차용 비광유계 브레이크액 시험방법(KS M2141)에 따라 금속 부식방지성능 및 고무에 대한 영향을 측정하여 다음 표 2에 나타내었다.Compared to the lubricant composition prepared in Examples 1 to 4 compared with conventional commercial products (Comparative Example) by measuring the corrosion resistance performance of the metal and the effect on the rubber according to the non-mineral oil-based brake fluid test method (KS M2141) It is shown in Table 2 below.

이때 시험조건은 100 ℃에서 120시간 실시한 것이다.The test conditions were carried out at 100 ℃ for 120 hours.

(주) (1) : 한국, C 사 제품 (광유계 그리이스)(1): Made in Korea, C company (mineral oil grease)

(2) : 미국, 다우코닝사 제품 (실리콘 오일 : 점도 200 cSt)(2): Dow Corning, USA (Silicone oil: viscosity 200 cSt)

상기 표 2에서 살펴볼 수 있는 바와 같이 본 발명의 실시예의 경우가 비교예에 비하여 고무컵에 대한 영향이 적으며 액분리 및 침전의 발생량이 적고 금속부식 방지력이 우수함을 알 수 있다.As can be seen in Table 2 it can be seen that the case of the embodiment of the present invention has a less impact on the rubber cup than the comparative example, the amount of liquid separation and sedimentation is less, and excellent corrosion protection of metal.

Claims (2)

폴리프로필렌글리콜 95∼99 중량%, 트리에탄올아민 0.2∼1.0 중량%, 벤조트리아졸 0.1∼0.5 중량%, 머캅토벤조트리아졸 0.1∼0.5 중량% 및 비스페놀-A 0.2∼1.0 중량%로 이루어진 것을 특징으로 하는 자동차의 브레이크 부품 조립용 윤활제 조성물.95 to 99 wt% polypropylene glycol, 0.2 to 1.0 wt% triethanolamine, 0.1 to 0.5 wt% benzotriazole, 0.1 to 0.5 wt% mercaptobenzotriazole and 0.2 to 1.0 wt% bisphenol-A. A lubricant composition for assembling brake parts of an automobile. 제1항에 있어서, 상기 폴리프로필렌글리콜은 분자량이 1,000∼4,000 인 것임을 특징으로 하는 자동차의 브레이크 부품 조립용 윤활제 조성물.The lubricant composition for assembling brake parts of an automobile according to claim 1, wherein the polypropylene glycol has a molecular weight of 1,000 to 4,000.
KR1019950047477A 1995-12-07 1995-12-07 Lubricant composition for construction of brake parts of motor KR0153322B1 (en)

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KR1019950047477A KR0153322B1 (en) 1995-12-07 1995-12-07 Lubricant composition for construction of brake parts of motor

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KR1019950047477A KR0153322B1 (en) 1995-12-07 1995-12-07 Lubricant composition for construction of brake parts of motor

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KR970042971A KR970042971A (en) 1997-07-26
KR0153322B1 true KR0153322B1 (en) 1998-11-02

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