KR102676070B1 - Phosphate coating and lubrication integrated surface treatment lubricant composition - Google Patents

Phosphate coating and lubrication integrated surface treatment lubricant composition Download PDF

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KR102676070B1
KR102676070B1 KR1020220013597A KR20220013597A KR102676070B1 KR 102676070 B1 KR102676070 B1 KR 102676070B1 KR 1020220013597 A KR1020220013597 A KR 1020220013597A KR 20220013597 A KR20220013597 A KR 20220013597A KR 102676070 B1 KR102676070 B1 KR 102676070B1
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weight
ether
lubricant composition
ethylene glycol
lubricant
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KR1020220013597A
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KR20230117009A (en
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김경태
여평모
장정진
최상순
정하림
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주식회사 에스에이치엘
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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
    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/24—Compounds containing phosphorus, arsenic or antimony
    • 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
    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04—Phosphate esters
    • 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
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02—Water
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/106—Naphthenic fractions
    • C10M2203/1065—Naphthenic fractions used as base material
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • C10M2207/046—Hydroxy ethers
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • 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
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure

Abstract

본 발명은, 윤활액 도포 전에 피막 형성하는 공정을 별도로 진행하지 않고, 피막 형성과 윤활성 향상 효과를 동시에 발휘할 수 있는 신규한 윤활제 조성물을 제공하는 것을 목적으로 한다. 본 발명의 일 실시예는, 기유 25~45중량%; 피막 물질 1~10중량%; 디하이드로젠 모녹사이드(Dihydrogen monoxide) 및 글리콜 에테르(Glycol ether) 중 어느 하나 이상을 포함하는 촉매 2~5중량%; 윤활 향상제 20~57중량%; 및 극압 및 내마모성 첨가제로서 황화 지방산 에스테르 5~15중량%를 포함하는 윤활제 조성물을 제공할 수 있다.The purpose of the present invention is to provide a novel lubricant composition capable of simultaneously forming a film and improving lubricity without performing a separate film forming process before applying the lubricant. In one embodiment of the present invention, 25 to 45% by weight of base oil; 1 to 10% by weight of coating material; 2 to 5% by weight of a catalyst containing at least one of dihydrogen monoxide and glycol ether; Lubrication enhancer 20-57% by weight; and 5 to 15% by weight of sulfated fatty acid ester as an extreme pressure and wear resistance additive.

Description

인산염 피막 및 윤활 일체형 표면처리 윤활제 조성물{PHOSPHATE COATING AND LUBRICATION INTEGRATED SURFACE TREATMENT LUBRICANT COMPOSITION}Phosphate coating and lubrication integrated surface treatment lubricant composition {PHOSPHATE COATING AND LUBRICATION INTEGRATED SURFACE TREATMENT LUBRICANT COMPOSITION}

본 발명은 인산염 피막 및 윤활 일체형 표면처리 윤활제 조성물에 관한 것으로, 보다 상세하게는 인발 공정에 있어서 피막 처리 공정을 필요로 하지 않는 윤활제 조성물에 관한 것이다. The present invention relates to a surface treatment lubricant composition integrated with phosphate coating and lubrication, and more specifically, to a lubricant composition that does not require a coating treatment process in the drawing process.

윤활제는 기계가 맞닿는 부분에 도포하여 매끄럽게 함으로써 마찰을 적게 하고 마모되는 것을 막기 위한 물질이다. 윤활제는 다양한 산업 분야에서 매우 널리 이용되고 있으며, 예를 들면 금속 재료를 인발(Drawing) 가공할 때 인발의 용이성을 위해 인발되는 소재의 외면에 도포하는데 사용된다.Lubricants are substances that are applied to the parts where machines come into contact to smoothen them, thereby reducing friction and preventing wear. Lubricants are very widely used in various industrial fields. For example, when drawing metal materials, they are used to apply to the outer surface of the drawn material to facilitate drawing.

일반적으로 인발은 양호한 성형성 및 눌어붙음 방지를 위해 인발되는 금속 표면에 윤활제를 도포하기 전에 피막을 입힌다. 보다 구체적으로는, 인발 가공을 행해야 할 파이프 등을 산 세정 등에 의해 표면의 스케일을 제거한 뒤, 그 파이프의 표면에 인산아연 등의 화성 피막을 형성시키고, 이후 이 피막 상에 금속 비누 등의 윤활 피막을 형성하는 방법이 알려져 있다. In general, drawing is coated with a film before applying a lubricant to the surface of the metal being drawn to ensure good formability and prevent seizing. More specifically, after removing scale from the surface of a pipe or the like to be subjected to drawing processing by acid washing or the like, a chemical conversion film such as zinc phosphate is formed on the surface of the pipe, and then a lubricating film such as metal soap is formed on this film. A method of forming is known.

예를 들면, 일본 특공평 4-48839호 공보에는, 탄소강, 합금강의 선재, 봉재 또는 관재를 산 세정 처리한 후, 재료 표면에, 점도가 20℃에서 100∼3000센티포아즈인 윤활유를 도포하는 윤활 처리 방법이 개시되어 있다.For example, in Japanese Patent Publication No. 4-48839, after pickling carbon steel, alloy steel wire, bar, or pipe, a lubricant with a viscosity of 100 to 3000 centipoise at 20°C is applied to the surface of the material. A lubrication treatment method is disclosed.

또한, 일본 특개 2002-192220호 공보에서는, 금속염을 함유하는 수용액에 소관을 침지시켜, 이 소관의 내외면에 붕산의 알칼리금속염, 또는 붕산의 알칼리금속염과 지방산의 알칼리금속염의 피막을 형성하고, 그 위에 액상 윤활제를 도포하여 인발 가공을 행하는 인발 강관의 제조 방법이 제안되어 있다.Furthermore, in Japanese Patent Laid-Open No. 2002-192220, a main tube is immersed in an aqueous solution containing a metal salt, and a film of an alkali metal salt of boric acid or an alkali metal salt of boric acid and a fatty acid is formed on the inner and outer surfaces of the main tube, A method of manufacturing a drawn steel pipe has been proposed in which a liquid lubricant is applied and drawing is performed.

또한, 한국 등록특허공보 제10-2006129호에는 스테인레스강 인발 공정 전에 사용되는 방습성이 개선된 피막제가 개시되어 있다. Additionally, Korean Patent Publication No. 10-2006129 discloses a coating agent with improved moisture resistance used before the stainless steel drawing process.

이와 같이, 윤활제를 도포하기 전에 피막을 형성하는 공정을 별도로 진행하는 것이 일반적이며, 피막 형성 공정에는 금속 표면의 산세(Pickling), 수세(Rinse), 피막 형성 후 다시 수세, 중화(Borax)하는 공정이 수반되며, 이러한 공정에서 발생하는 폐수에 의해 환경 오염이 우려되며, 피막에 의한 표면 조도 불량을 야기하며, 또한 비용이 상당히 발생하는 문제가 있다.As such, it is common to proceed with a separate process to form a film before applying the lubricant, and the film formation process includes pickling and rinsing the metal surface, followed by washing again with water and neutralizing (borax) after forming the film. This is accompanied by concerns about environmental pollution due to wastewater generated in this process, poor surface roughness due to the film, and significant cost incurring problems.

또한, 한국 등록특허공보 제10-2332496호에 개시된 바와 같은, 종래의 왁스형 수용성 인발 윤활유는 지방산과 알칼리 촉매의 반응에 의한 비누화 반응을 수반하는데, 이러한 비누화 반응은 온도 및 교반 속도에 따라 결과물이 상당한 편차를 갖기 때문에 공정이 까다로운 문제가 있으며, 왁스 성분이 가공 소재 표면에 남는 경우 최종 제품의 세정성 불량의 원인이 되는 문제가 있다.In addition, the conventional wax-type water-soluble drawing lubricant, as disclosed in Korean Patent Publication No. 10-2332496, involves a saponification reaction by the reaction of a fatty acid and an alkali catalyst, and this saponification reaction changes the result depending on the temperature and stirring speed. There is a problem that the process is difficult because there is considerable variation, and if the wax component remains on the surface of the processed material, it can cause poor cleanability of the final product.

또한, 극압제와 지방산 또는 합성 에스테르를 포함하는 에멀션 형 수용성 인발 윤활유는 세정성은 우수하지만 인발 가공성이 열악하며, 일반적으로 에멀션 형 윤활유에 포함되는 염소계 극압제는 유해물질이므로 환경 친화적이지 않은 문제가 있다.In addition, emulsion-type water-soluble drawing lubricants containing extreme pressure agents and fatty acids or synthetic esters have excellent cleaning properties but poor drawing processability, and chlorine-based extreme pressure agents, which are generally included in emulsion-type lubricants, are hazardous substances and are therefore not environmentally friendly. .

본 발명은, 윤활액 도포 전에 피막 형성하는 공정을 별도로 진행하지 않고, 피막 형성과 윤활성 향상 효과를 동시에 발휘할 수 있는 신규한 윤활제 조성물을 제공하는 것을 목적으로 한다.The purpose of the present invention is to provide a novel lubricant composition capable of simultaneously forming a film and improving lubricity without performing a separate film forming process before applying the lubricant.

본 발명의 일 실시예는, 윤활제 조성물 100중량%를 기준으로 기유 25~45중량%; 피막 물질 1~10중량%; 디하이드로젠 모녹사이드(Dihydrogen monoxide) 및 글리콜 에테르(Glycol ether) 중 어느 하나 이상을 포함하는 촉매 2~5중량%; 윤활 향상제 20~40중량%; 및 극압 및 내마모성 첨가제로서 황화 지방산 에스테르 5~15중량%를 포함하는 윤활제 조성물을 제공할 수 있다.In one embodiment of the present invention, 25 to 45% by weight of base oil based on 100% by weight of the lubricant composition; 1 to 10% by weight of coating material; 2 to 5% by weight of a catalyst containing at least one of dihydrogen monoxide and glycol ether; 20-40% by weight of lubrication enhancer; and 5 to 15% by weight of sulfated fatty acid ester as an extreme pressure and wear resistance additive.

상기 기유는 나프텐 오일일 수 있다.The base oil may be naphthenic oil.

상기 피막 물질은 인산, 인산염 및 인산 에스테르를 포함하는 군에서 선택된 어느 1종 이상을 포함하는 인계 화합물이며, 윤활제 조성물 100중량%를 기준으로 1~10중량%로 포함될 수 있다.The coating material is a phosphorus-based compound containing at least one selected from the group including phosphoric acid, phosphate, and phosphoric acid ester, and may be included in an amount of 1 to 10% by weight based on 100% by weight of the lubricant composition.

상기 윤활 향상제는 알코올, 인산 에스테르, 톨 오일 및 올레산, TMPTO(Trimethylolpropane trioleate)를 포함하는 군에서 선택된 어느 1종 이상일 수 있다.The lubrication enhancer may be any one or more selected from the group including alcohol, phosphoric acid ester, tall oil, oleic acid, and TMPTO (trimethylolpropane trioleate).

상기 윤활제 조성물은 추가로 나프탈렌술폰산의 칼슘염을 포함할 수 있다.The lubricant composition may further include calcium salt of naphthalenesulfonic acid.

본 발명은, 윤활액 도포 전에 피막 형성하는 공정을 별도로 진행하지 않고, 피막 형성과 윤활성 향상 효과를 동시에 발휘할 수 있는 신규한 윤활제 조성물을 제공할 수 있다.The present invention can provide a novel lubricant composition capable of simultaneously forming a film and improving lubricity without performing a separate film forming process before applying the lubricant.

도 1은, 본 발명의 실시예 1 내지 8의 윤활제 조성물과 비교예 1의 윤활제 조성물의 극압성 및 내마모성 비교 실험 결과를 나타낸 도이다.
도 2는, 본 발명의 실시예 9 내지 16의 윤활제 조성물과 비교예 2의 윤활제 조성물의 극압성 및 내마모성 비교 실험 결과를 나타낸 도이다.
도 3은, 본 발명의 실시예 17 내지 24의 윤활제 조성물과 비교예 3의 윤활제 조성물의 극압성 및 내마모성 비교 실험 결과를 나타낸 도이다.Figure 1 is a diagram showing the results of a comparison test for extreme pressure and wear resistance of the lubricant compositions of Examples 1 to 8 of the present invention and the lubricant composition of Comparative Example 1.
Figure 2 is a diagram showing the results of a comparison test for extreme pressure and wear resistance of the lubricant compositions of Examples 9 to 16 of the present invention and the lubricant composition of Comparative Example 2.
Figure 3 is a diagram showing the results of a comparative experiment on extreme pressure and wear resistance of the lubricant compositions of Examples 17 to 24 of the present invention and the lubricant composition of Comparative Example 3.

상기 기유(base oil)는 원유에서 증류하여 분리, 정제된 광유로서 미네랄 오일인 것이 바람직하나, 이에 제한되는 것은 아니다. 예시적 구현예에 있어서, 상기 미네랄 오일은 액체 석유 오일, 또는 수소화처리법 및/또는 탈납에 의해 추가로 정제될 수 있는 용매-처리되거나 산-처리된 것일 수 있으며, 이에 제한되는 것은 아니다.The base oil is mineral oil separated and refined by distillation from crude oil, and is preferably mineral oil, but is not limited thereto. In an exemplary embodiment, the mineral oil may be, but is not limited to, liquid petroleum oil, or solvent-treated or acid-treated that can be further purified by hydroprocessing and/or dewaxing.

한 구현예에 있어서, 상기 기유는 나프텐 오일인 것을 특징으로 하며, 바람직하게는 수소화된(hydrogenated) 나프텐 오일이다. 또한, 한 구현예에 있어서, 상기 나프텐 오일은, 탄소수 20 내지 50이며, 40℃ 점도가 10~30cSt 인 것일 수 있으나, 이에 제한되는 것은 아니다. In one embodiment, the base oil is a naphthenic oil, preferably a hydrogenated naphthenic oil. Additionally, in one embodiment, the naphthenic oil may have 20 to 50 carbon atoms and a viscosity of 10 to 30 cSt at 40°C, but is not limited thereto.

상기 피막 물질은 소재의 표면에 피막을 형성시켜 소재 표면의 물리적 성질을 향상시킬 뿐만 아니라 내마모성을 제공할 수 있다. 한 구현예에 있어서, 상기 피막 물질은 인산, 인산염 및 인산 에스테르를 포함하는 군에서 선택된 어느 1종 이상을 포함하는 인계 화합물이다. 상기 인계 화합물은 윤활제 조성물에 포함되어 촉매 반응에 의해 표면 처리하고자 하는 금속표면 상에 난용성의 결정을 형성하기 위한 것으로서, 이러한 목적을 위해 당업계에서 통상적으로 사용하는 인계 화합물이라면 어떠한 것을 사용하여도 무방하다. The coating material not only improves the physical properties of the surface of the material by forming a film on the surface of the material but also provides wear resistance. In one embodiment, the coating material is a phosphorus-based compound containing at least one selected from the group including phosphoric acid, phosphate salt, and phosphoric acid ester. The phosphorus compound is included in the lubricant composition and is used to form poorly soluble crystals on the metal surface to be treated by a catalytic reaction. For this purpose, any phosphorus compound commonly used in the art may be used. It's okay.

상기 촉매는 상기 피막 물질이 소재의 표면에 피막을 형성하는 반응에 참여하는 물질이다. 한 구현예에 있어서, 촉매는 디하이드로젠 모녹사이드(Dihydrogen monoxide) 및 글리콜 에테르(Glycol ether) 중 어느 하나 이상을 포함한다. 상기 글리콜 에테르는 에틸렌 글리콜 모노메틸 에테르, 에틸렌 글리콜 모노에틸 에테르, 에틸렌 글리콜 모노프로필 에테르, 에틸렌 글리콜 모노이소프로필 에테르, 에틸렌 글리콜 모노부틸 에테르, 에틸렌 글리콜 모노페닐 에테르, 에틸렌 글리콜 모노벤질에테르, 프로필렌 글리콜 메틸 에테르, 디에틸렌 글리콜 모노메틸 에테르, 디에틸렌 글리콜 모노에틸 에테르 및 디에틸렌 글리콜 모노부틸 에테르를 포함하는 군에서 선택된 어느 1종이다. The catalyst is a substance that participates in the reaction in which the coating material forms a coating on the surface of the material. In one embodiment, the catalyst includes one or more of dihydrogen monoxide and glycol ether. The glycol ether includes ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, ethylene glycol monoisopropyl ether, ethylene glycol monobutyl ether, ethylene glycol monophenyl ether, ethylene glycol monobenzyl ether, and propylene glycol methyl. It is any one selected from the group containing ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, and diethylene glycol monobutyl ether.

상기 윤활 향상제는 알코올, 인산 에스테르, 톨 오일(tall oil), 올레산 및 트리메틸올프로판 트리올레이트(Trimethylolpropane trioleate)를 포함하는 군에서 선택된 어느 1종 이상일 수 있다. 상기 알코올은 바람직하게는 세토스테아릴 알코올이다.The lubrication enhancer may be any one or more selected from the group including alcohol, phosphoric acid ester, tall oil, oleic acid, and trimethylolpropane trioleate. The alcohol is preferably cetostearyl alcohol.

극압 및 내마모성 첨가제로는 황계 첨가제 또는 인계 첨가제의 혼합물을 사용할 수 있다. 황계 첨가제의 예로는, 이에 한정되는 것은 아니나 황화 지방산 에스테르, 디도데실 트리설파이드(Didodecyl Trisulfide), 디벤질 펜타 설파이드(Dibenzyl pentasulfide) 등을 들 수 있다. 인계 첨가제의 예로는, 이에 한정되는 것은 아니나, 지방족 아민의 인산염 유도체(Aliphatic amine phosphate), 방향족 아민의 인산염 유도체(Aromatic amine phosphate), 트리알킬 인산염(Trialkyl phosphate) 등을 들 수 있다. As an extreme pressure and wear resistance additive, a mixture of sulfur-based additives or phosphorus-based additives can be used. Examples of sulfur-based additives include, but are not limited to, sulfurized fatty acid esters, didodecyl trisulfide, and dibenzyl pentasulfide. Examples of phosphorus-based additives include, but are not limited to, aliphatic amine phosphate, aromatic amine phosphate, and trialkyl phosphate.

상기 윤활제 조성물은 첨가제를 더 포함할 수 있다. 상기 첨가제는 윤활제 조성물의 윤활 성능 저하에 영향을 주지 않은 것이며, 첨가제가 갖는 각각의 기능이 부여될 수 있는 한에서, 윤활제에 이용되는 다양한 첨가제를 포함할 수 있다. 상기 첨가제는 예를 들어, 금속 이온 봉쇄제, 방청제, 윤활 조제 등을 더 포함할 수 있으나, 이에 한정되는 것은 아니다. 상기 첨가제의 대표적인 예로 나프탈렌술폰산의 칼슘 염을 들 수 있으나, 이에 한정되는 것은 아니고, 열안정성, 방청성, 이형성, 및/또는 윤활성 등의 목적에서 다양한 첨가제를 첨가할 수 있다.The lubricant composition may further include additives. The additive does not affect the deterioration of lubricating performance of the lubricant composition, and may include various additives used in lubricants as long as the respective functions of the additives can be provided. The additive may further include, for example, a metal ion sequestering agent, a rust inhibitor, a lubricating agent, etc., but is not limited thereto. Representative examples of the additive include calcium salt of naphthalenesulfonic acid, but are not limited thereto, and various additives may be added for purposes such as thermal stability, rust prevention, release properties, and/or lubricity.

상기 윤활제 조성물은, 윤활제 조성물 100중량%를 기준으로 기유 25~45중량%; 피막 물질 1~10중량%; 디하이드로젠 모녹사이드(Dihydrogen monoxide) 및 글리콜 에테르(Glycol ether) 중 어느 하나 이상을 포함하는 촉매 2~5중량%; 윤활 향상제 20~40중량%; 및 극압 및 내마모성 첨가제로서 황화 지방산 에스테르 5~15중량%를 포함할 수 있다. The lubricant composition includes 25 to 45% by weight of base oil based on 100% by weight of the lubricant composition; 1 to 10% by weight of coating material; 2 to 5% by weight of a catalyst containing at least one of dihydrogen monoxide and glycol ether; 20-40% by weight of lubrication enhancer; And it may include 5 to 15% by weight of sulfated fatty acid ester as an extreme pressure and wear resistance additive.

이하, 실시예를 들어 본 발명을 자세히 설명한다. 아래 실시예는 본 발명을 설명하기 위한 것일 뿐, 통상의 기술자에게 본 발명이 아래 실시예에 의해 한정되는 것으로 해석되지 않는 것은 자명하다.Hereinafter, the present invention will be described in detail through examples. The examples below are only for illustrating the present invention, and it is obvious to those skilled in the art that the present invention should not be construed as limited by the examples below.

실시예Example

피막 물질의 함량, 촉매의 함량에 따른 극압성 및 내마모성의 비교를 하기 위해 아래 표 1 내지 3에 나타낸 바와 같은 조성으로 윤활액 조성물을 제조하였다. 아래 표 1 내지 3의 단위는 중량%이다.In order to compare extreme pressure and wear resistance according to the content of the coating material and the content of the catalyst, a lubricating fluid composition was prepared with the compositions shown in Tables 1 to 3 below. The units in Tables 1 to 3 below are weight percent.

실험예 1 : 극압성 및 내마모성 비교실험Experimental Example 1: Comparison test of extreme pressure and wear resistance

상기 표 1 내지 3에 나타낸 조성의 윤활액 조성물에 대해 극압성 및 내마모성 실험을 진행하였다. 실험 방법은 Four-Ball test(Sheel 식)에 의해 진행되었고, 윤활유의 경계 윤활 조건에서의 마찰 계수, 극압성(내하중성) 또는 내마모성(윤활) 성능을 실험하였다. 실험은 ASTM D 4172 규격에 따라 진행하였다. 상기 표 1의 조성물의 실험 결과를 도 1에, 상기 표 2의 조성물의 실험 결과를 도 2에, 상기 표 3의 조성물의 실험 결과를 도 3에 각각 나타낸다.Extreme pressure and wear resistance tests were conducted on the lubricating fluid compositions shown in Tables 1 to 3 above. The experimental method was conducted by the Four-Ball test (Sheel equation), and the coefficient of friction, extreme pressure (load resistance), or wear resistance (lubrication) performance under boundary lubrication conditions of the lubricant was tested. The experiment was conducted according to ASTM D 4172 standard. The test results of the compositions of Table 1 are shown in FIG. 1, the test results of the compositions of Table 2 are shown in FIG. 2, and the test results of the compositions of Table 3 are shown in FIG. 3.

도 1에 나타낸 바와 같이, 피막 물질을 포함하지 않은 비교예 1의 조성물에 비해 피막 물질을 포함하는 실시예 1 내지 8의 조성물은 극압성(Extreme Pressure)이 500kgf/cm2 이상으로 우수하며, 마모흔이 작아 내마모성이 우수한 것을 확인할 수 있다. 특히, 피막 물질을 조성물 100중량% 기준으로 4.0~6.0중량%로 포함할 때 내마모성이 가장 우수한 것을 확인할 수 있다.As shown in Figure 1, compared to the composition of Comparative Example 1 that does not contain a coating material, the compositions of Examples 1 to 8 containing a coating material have excellent extreme pressure of more than 500 kgf/cm 2 and wear resistance. It can be seen that the scratches are small and the wear resistance is excellent. In particular, it can be seen that the wear resistance is the best when the coating material is included in an amount of 4.0 to 6.0% by weight based on 100% by weight of the composition.

또한, 도 2에 나타낸 바와 같이, 촉매로서 디하이드로젠 모녹사이드를 포함하지 않은 비교예 2의 조성물에 비해 디하이드로젠 모녹사이드를 포함하는 실시예 9 내지 16의 조성물은 마모흔이 작아 내마모성이 우수한 것을 확인할 수 있다.In addition, as shown in Figure 2, compared to the composition of Comparative Example 2 that does not contain dihydrogen monoxide as a catalyst, the compositions of Examples 9 to 16 containing dihydrogen monoxide have small wear marks and have excellent wear resistance. You can check that.

또한, 도 3에 나타낸 바와 같이, 촉매로서 글리콜 에테르를 포함하지 않은 비교예 3의 조성물에 비해 글리콜 에테르를 포함하는 실시예 17 내지 24의 조성물은 극압성(Extreme Pressure)이 500kgf/cm2 이상으로 우수하며, 마모흔이 작아 내마모성이 우수한 것을 확인할 수 있다.In addition, as shown in Figure 3, compared to the composition of Comparative Example 3 that did not contain glycol ether as a catalyst, the compositions of Examples 17 to 24 containing glycol ether had an extreme pressure of 500 kgf/cm 2 or more. It is excellent, and the wear marks are small, so it can be seen that the wear resistance is excellent.

상기 실험으로부터, 실시예의 윤활제 조성물은 각 성분의 유기적 조합, 특히 피막 물질 및 촉매 성분의 조합에 의해 극압성 및 내마모성이 모두 우수해지는 것을 확인할 수 있고, 이는 상기 실시예의 윤활제 조성물에 의해 피막 형성 및 윤활 효과를 동시에 얻을 수 있음을 입증할 수 있다.From the above experiment, it can be confirmed that the lubricant composition of the example has excellent extreme pressure and wear resistance due to the organic combination of each component, especially the combination of the coating material and the catalyst component, which is due to the film formation and lubrication by the lubricant composition of the above example. It can be proven that the effects can be achieved simultaneously.

본 발명의 윤활제 조성물에 의하면, 비누화 반응을 수반하는 종래의 왁스형 윤활제 조성물에 비해 비누화 반응이 필요하지 않기 때문에 생산 공정이 간단하며, 세정성이 우수하고, 극압성 및 내마모성이 우수하며, 조도 불량률이 낮다. 또한, 본 발명의 윤활제 조성물에 의하면, 종래의 에멀션 형 윤활제 조성물에 비해 내마모성 및 가공성이 우수하고, 염소계 극압제가 포함되지 않아 친환경적이다. 또한, 본 발명의 윤활제 조성물에 의하면, 피막 형성 공정에 수반되는 수세 공정 등을 필요로 하지 않아 발생하는 폐수의 양이 적기 때문에 친환경적이다.According to the lubricant composition of the present invention, the production process is simple because it does not require a saponification reaction compared to the conventional wax-type lubricant composition that involves a saponification reaction, and has excellent cleanability, excellent extreme pressure and wear resistance, and roughness defect rate. This is low. In addition, the lubricant composition of the present invention has superior wear resistance and processability compared to conventional emulsion-type lubricant compositions, and is environmentally friendly because it does not contain chlorine-based extreme pressure agents. In addition, according to the lubricant composition of the present invention, it is environmentally friendly because it does not require a water washing process accompanying the film formation process and the amount of waste water generated is small.

Claims (6)

윤활제 조성물 100중량%를 기준으로,
기유 25~45중량%;
피막 물질 1~10중량%;
디하이드로젠 모녹사이드(Dihydrogen monoxide) 및 글리콜 에테르(Glycol ether) 중 어느 하나 이상을 포함하는 촉매 2~5.6중량%;
윤활 향상제 20~40중량%; 및
극압 및 내마모성 첨가제로서 황화 지방산 에스테르 5~15중량%를 포함하는 윤활제 조성물.Based on 100% by weight of the lubricant composition,
25 to 45% by weight of base oil;
1 to 10% by weight of coating material;
2 to 5.6% by weight of a catalyst containing at least one of dihydrogen monoxide and glycol ether;
20-40% by weight of lubrication enhancer; and
A lubricant composition comprising 5 to 15% by weight of a sulfurized fatty acid ester as an extreme pressure and wear resistance additive. 제 1 항에 있어서,
상기 기유는 나프텐 오일인 윤활제 조성물.According to claim 1,
A lubricant composition wherein the base oil is a naphthenic oil. 제 1 항에 있어서,
상기 피막 물질은 인산, 인산염 및 인산 에스테르를 포함하는 군에서 선택된 어느 1종 이상을 포함하는 인계 화합물이며, 상기 윤활제 조성물 100중량%를 기준으로 1~10중량%로 포함되는 윤활제 조성물.According to claim 1,
The coating material is a phosphorus-based compound containing at least one selected from the group consisting of phosphoric acid, phosphate, and phosphoric acid ester, and is contained in an amount of 1 to 10% by weight based on 100% by weight of the lubricant composition. 제 1 항에 있어서,
상기 윤활 향상제는 알코올, 인산 에스테르, 톨 오일, 올레산 및 TMPTO(Trimethylolpropane trioleate)를 포함하는 군에서 선택된 어느 1종 이상인 윤활제 조성물.According to claim 1,
A lubricant composition wherein the lubrication enhancer is at least one selected from the group consisting of alcohol, phosphoric acid ester, tall oil, oleic acid, and TMPTO (Trimethylolpropane trioleate). 제 1 항에 있어서,
상기 글리콜 에테르는 에틸렌 글리콜 모노메틸 에테르, 에틸렌 글리콜 모노에틸 에테르, 에틸렌 글리콜 모노프로필 에테르, 에틸렌 글리콜 모노이소프로필 에테르, 에틸렌 글리콜 모노부틸 에테르, 에틸렌 글리콜 모노페닐 에테르, 에틸렌 글리콜 모노벤질에테르, 프로필렌 글리콜 메틸 에테르, 디에틸렌 글리콜 모노메틸 에테르, 디에틸렌 글리콜 모노에틸 에테르 및 디에틸렌 글리콜 모노부틸 에테르를 포함하는 군에서 선택된 어느 1종인 윤활제 조성물. According to claim 1,
The glycol ether includes ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, ethylene glycol monoisopropyl ether, ethylene glycol monobutyl ether, ethylene glycol monophenyl ether, ethylene glycol monobenzyl ether, and propylene glycol methyl. A lubricant composition selected from the group consisting of ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, and diethylene glycol monobutyl ether. 제 1 항에 있어서,
상기 윤활제 조성물은 추가로 나프탈렌술폰산의 칼슘염을 포함하는 윤활제 조성물.According to claim 1,
The lubricant composition further comprises a calcium salt of naphthalenesulfonic acid.
KR1020220013597A 2022-01-28 Phosphate coating and lubrication integrated surface treatment lubricant composition KR102676070B1 (en)

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