KR20230117009A - 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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KR20230117009A
KR20230117009A KR1020220013597A KR20220013597A KR20230117009A KR 20230117009 A KR20230117009 A KR 20230117009A KR 1020220013597 A KR1020220013597 A KR 1020220013597A KR 20220013597 A KR20220013597 A KR 20220013597A KR 20230117009 A KR20230117009 A KR 20230117009A
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weight
ether
lubricant composition
ethylene glycol
lubricant
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KR102676070B1 (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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Lubricants (AREA)

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.An object of the present invention is to provide a novel lubricant composition capable of simultaneously exhibiting the effect of forming a film and improving lubricity without separately proceeding with a process of forming a film before applying the lubricating liquid. 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; 20 to 57% by weight of a lubrication enhancer; and 5 to 15% by weight of a sulfurized fatty acid ester as an extreme pressure and antiwear additive.

Description

인산염 피막 및 윤활 일체형 표면처리 윤활제 조성물{PHOSPHATE COATING AND LUBRICATION INTEGRATED SURFACE TREATMENT LUBRICANT COMPOSITION}Phosphate coating and lubricating 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 particularly, to a lubricant composition that does not require a coating treatment process in a 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 in contact with machines to make them smooth, thereby reducing friction and preventing wear. Lubricants are very widely used in various industrial fields, and are used, for example, to apply to the outer surface of a material to be drawn for ease of drawing when a metal material is drawn.

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, for drawing, a coating is applied before applying a lubricant to the surface of the metal to be drawn for good formability and prevention of seizure. More specifically, after removing scale on the surface of the pipe or the like to be subjected to the drawing process by pickling or the like, a chemical conversion film such as zinc phosphate is formed on the surface of the pipe, and thereafter, a lubricating film such as metal soap is formed on the surface of the pipe. 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 a carbon steel or alloy steel wire, rod, or pipe, a lubricant having a viscosity of 100 to 3,000 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.Further, in Japanese Patent Laid-Open No. 2002-192220, a material tube is immersed in an aqueous solution containing a metal salt to form a film of an alkali metal salt of boric acid or an alkali metal salt of boric acid and an alkali metal salt of fatty acids on the inner and outer surfaces of the material tube, A method for producing a drawn steel pipe is proposed in which a liquid lubricant is applied thereon and subjected to a drawing process.

또한, 한국 등록특허공보 제10-2006129호에는 스테인레스강 인발 공정 전에 사용되는 방습성이 개선된 피막제가 개시되어 있다. In addition, Korean Patent Registration No. 10-2006129 discloses a coating agent with improved moisture resistance used before a 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 separately proceed with the process of forming a film before applying the lubricant, and the film formation process includes pickling and rinsing of the metal surface, washing with water again after forming the film, and neutralization (borax). This is accompanied by concerns about environmental pollution by wastewater generated in such a process, causing poor surface roughness due to the film, and also having a significant cost.

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, as disclosed in Korean Patent Registration No. 10-2332496, the conventional wax-type water-soluble drawing lubricating oil involves a saponification reaction by a reaction between a fatty acid and an alkali catalyst. There is a problem that the process is difficult because it has a considerable deviation, and there is a problem that causes poor detergency of the final product when the wax component remains on the surface of the workpiece.

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 generally, chlorine-based extreme pressure agents included in emulsion-type lubricants are harmful substances, so they are 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.An object of the present invention is to provide a novel lubricant composition capable of simultaneously exhibiting the effect of forming a film and improving lubricity without separately proceeding with a process of forming a film before applying the lubricating liquid.

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.One embodiment of the present invention, 25 to 45% by weight of the 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 to 40% by weight of a lubrication enhancer; and 5 to 15% by weight of a sulfurized fatty acid ester as an extreme pressure and antiwear 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 consisting of phosphoric acid, phosphate salt, 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 lubricant improver may be at least one selected from the group consisting of alcohol, phosphoric acid ester, tall oil and oleic acid, and trimethylolpropane trioleate (TMPTO).

상기 윤활제 조성물은 추가로 나프탈렌술폰산의 칼슘염을 포함할 수 있다.The lubricant composition may further include a 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 exhibiting the effect of forming a film and improving lubricity without separately proceeding with a process of forming a film before applying the lubricating liquid.

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.1 is a diagram showing experimental results of extreme pressure and wear resistance comparison of lubricant compositions of Examples 1 to 8 of the present invention and lubricant composition of Comparative Example 1.
Figure 2 is a diagram showing the experimental results of extreme pressure and wear resistance comparison between the lubricant compositions of Examples 9 to 16 of the present invention and the lubricant composition of Comparative Example 2.
3 is a diagram showing experimental results of comparison of extreme pressure properties and wear resistance of lubricant compositions of Examples 17 to 24 of the present invention and lubricant compositions 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, which may be further refined by hydrotreating 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 characterized in that it is a naphthenic oil, preferably a hydrogenated naphthenic oil. Further, in one embodiment, the naphthenic oil may have 20 to 50 carbon atoms and have 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 film material may form a film on the surface of the material to improve physical properties of the surface of the material as well as provide wear resistance. In one embodiment, the film material is a phosphorus-based compound containing at least one selected from the group consisting of phosphoric acid, phosphoric acid salts and phosphoric acid esters. The phosphorus-based compound is included in the lubricant composition to form poorly soluble crystals on the surface of the metal to be surface-treated by a catalytic reaction, and any phosphorus-based compound commonly used in the art for this purpose may be used. free

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 material that participates in a reaction in which the film material forms a film on the surface of the material. In one embodiment, the catalyst includes at least one of dihydrogen monoxide and glycol ether. The glycol ether is 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, propylene glycol methyl It is any one selected from the group consisting of 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 lubricant improver may be at least one selected from the group consisting of 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. A mixture of a sulfur-based additive or a phosphorus-based additive may be used as the extreme pressure and antiwear additive. 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 derivatives, aromatic amine phosphate derivatives, trialkyl phosphate, and the like.

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 the lubricating performance of the lubricant composition, and may include various additives used in the lubricant as long as each function of the additive can be imparted. The additive may further include, for example, a metal ion sequestering agent, a rust inhibitor, a lubricating aid, and the like, but is not limited thereto. A representative example of the additive may be a calcium salt of naphthalenesulfonic acid, but is not limited thereto, and various additives may be added for the purpose of thermal stability, rust prevention, releasability, 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, 25 to 45% by weight of the 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 to 40% by weight of a lubrication enhancer; and 5 to 15% by weight of a sulfurized fatty acid ester as an extreme pressure and antiwear 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 with reference to examples. The following examples are only for explaining the present invention, and it is obvious that the present invention is not construed as being limited by the examples below to those skilled in the art.

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 the extreme pressure and wear resistance according to the content of the coating material and the content of the catalyst, lubricating liquid compositions were prepared with the compositions shown in Tables 1 to 3 below. The units of Tables 1 to 3 below are % by weight.

실험예 1 : 극압성 및 내마모성 비교실험Experimental Example 1: Comparative 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 liquid compositions having the compositions shown in Tables 1 to 3 above. The test method was conducted by the Four-Ball test (Sheel formula), and the friction coefficient, extreme pressure (load resistance) or wear resistance (lubrication) performance in the boundary lubrication condition of the lubricating oil was tested. The experiment was conducted according to the ASTM D 4172 standard. The experimental results of the compositions of Table 1 are shown in FIG. 1, the experimental results of the compositions of Table 2 are shown in FIG. 2, and the experimental results of the compositions of Table 3 are shown in FIG.

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 FIG. 1, compared to the composition of Comparative Example 1 not including the coating material, the compositions of Examples 1 to 8 including the coating material had an extreme pressure of 500 kgf/cm 2 or more, and were excellent in wear and tear. It can be confirmed that the scar is 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 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 FIG. 2, compared to the composition of Comparative Example 2 not containing dihydrogen monoxide as a catalyst, the compositions of Examples 9 to 16 containing dihydrogen monoxide had small wear marks and excellent wear resistance. can confirm 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 FIG. 3, compared to the composition of Comparative Example 3 not including 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 it can be confirmed that the abrasion resistance is excellent with small wear marks.

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 experiments, it can be confirmed that the lubricant compositions of the examples have excellent extreme pressure properties and wear resistance by organic combinations of each component, particularly the combination of the film material and the catalyst component, which indicates that the lubricant compositions of the examples form a film and lubricate. It can be proven that the effect can be obtained 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, compared to conventional wax-type lubricant compositions involving a saponification reaction, since the saponification reaction is not required, the production process is simple, detergency is excellent, extreme pressure resistance and wear resistance are excellent, and roughness defect rate is excellent. is low In addition, according to the lubricant composition of the present invention, wear resistance and processability are excellent compared to conventional emulsion-type lubricant compositions, and it is environmentally friendly because it does not contain a chlorine-based extreme pressure agent. 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 wastewater 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 2~6중량%;
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 6% by weight of a catalyst containing at least one of dihydrogen monoxide and glycol ether;
20 to 40% by weight of a lubrication enhancer; and
A lubricant composition comprising 5 to 15% by weight of a sulfurized fatty acid ester as an extreme pressure and antiwear additive. 제 1 항에 있어서,
상기 기유는 나프텐 오일인 윤활제 조성물.According to claim 1,
The base oil is a naphthenic oil lubricant composition. 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 included in 1 to 10% by weight based on 100% by weight of the lubricant composition 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,
The lubricant composition according to claim 1, wherein the lubricant improver is at least one selected from the group consisting of alcohol, phosphoric acid ester, tall oil, oleic acid, and trimethylolpropane trioleate (TMPTO). 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 is 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, propylene glycol methyl A lubricant composition comprising any one 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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