KR101281975B1 - Process oil and rubber composition - Google Patents

Process oil and rubber composition Download PDF

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KR101281975B1
KR101281975B1 KR1020087009281A KR20087009281A KR101281975B1 KR 101281975 B1 KR101281975 B1 KR 101281975B1 KR 1020087009281 A KR1020087009281 A KR 1020087009281A KR 20087009281 A KR20087009281 A KR 20087009281A KR 101281975 B1 KR101281975 B1 KR 101281975B1
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oil
process oil
rubber
weather resistance
ultraviolet absorbance
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KR20080063318A (en
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메이시 다나까
마사시 나까무라
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이데미쓰 고산 가부시키가이샤
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • 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
    • C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02—Petroleum fractions
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • 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
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • 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
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • 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
    • C10N2030/08—Resistance to extreme temperature
    • 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
    • C10N2030/20—Colour, e.g. dyes
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

본 발명의 공정 오일은 하기 (a) 내지 (c)의 성상을 갖는다.The process oil of the present invention has the properties of the following (a) to (c).

(a) 인화점 250 ℃ 이상(a) flash point of 250 ° C. or higher

(b) 세이볼트 색 +28 이상(b) Saybolt color +28

(c) 자외 흡광도(198 nm) 1.7 이하(c) ultraviolet absorbance (198 nm) 1.7 or less

공정 오일, 인화점, 세이볼트 색, 자외 흡광도Process oil, flash point, saybolt color, ultraviolet absorbance

Description

공정 오일 및 고무 조성물{PROCESS OIL AND RUBBER COMPOSITION}PROCESS OIL AND RUBBER COMPOSITION

본 발명은 공정 오일, 이러한 공정 오일을 천연 고무나 합성 고무에 적용한 고무 조성물에 관한 것이다.The present invention relates to process oils and rubber compositions in which such process oils are applied to natural rubber or synthetic rubber.

기계ㆍ전기 제품 등 각종 분야에서 사용되는 고무에는, 기계적 특성이나 가공성을 향상시키기 위해서 일반적으로 공정 오일이 배합되어 있다. 이러한 공정 오일은 천연 고무, 합성 고무 등의 고무 기재에 배합될 뿐 아니라, 열가소성 수지의 가소제나 인쇄용 잉크의 구성 성분, 재생 아스팔트의 연화제 등에 사용하는 윤활유나 용제 성분으로서도 사용되고 있다.Rubber used in various fields, such as mechanical and electrical products, is generally formulated with process oil in order to improve mechanical properties and processability. Such process oils are not only formulated into rubber base materials such as natural rubber and synthetic rubber, but also used as lubricating oils and solvent components used in plasticizers of thermoplastic resins, constituents of printing inks, softeners of recycled asphalt, and the like.

한편, 최근에 자동차용 내장재로서 EPDM(에틸렌-프로필렌-디엔 고무), 올레핀계 열가소성 엘라스토머 또는 스티렌계 열가소성 엘라스토머를 이용한 고무 조성물의 수요가 증가하고 있다. 이러한 고무 조성물을 자동차용 내장재로서 이용하기 위해서는, 내열성, 내후성이 필요하기 때문에, 일반적으로 고순도의 백색 파라핀계 공정 오일이 사용된다. 예를 들면 40 ℃에서의 동점도가 95 내지 300 mm2/s의 범위이고, 증류 성상에서의 5 용량％ 유출 온도가 445 ℃ 이상이면서 색상(세이볼트(saybolt) 색)이 +15 이상인 공정 오일이 알려져 있다(예를 들면, 특허 문헌 1).On the other hand, there is an increasing demand for rubber compositions using EPDM (ethylene-propylene-diene rubber), olefinic thermoplastic elastomers or styrene-based thermoplastic elastomers in recent years. In order to use such a rubber composition as an automotive interior material, since heat resistance and weather resistance are needed, high purity white paraffinic process oil is generally used. For example, a process oil having a kinematic viscosity at 40 ° C. in the range of 95 to 300 mm 2 / s, a 5% by volume outlet temperature in distillation at 445 ° C. or more, and a color (saybolt color) of +15 or more It is known (for example, patent document 1).

[특허 문헌 1] 일본 특허 공개 제2000-302919호 공보[Patent Document 1] Japanese Unexamined Patent Publication No. 2000-302919

<발명의 개시><Start of invention>

<발명이 해결하고자 하는 과제>[PROBLEMS TO BE SOLVED BY THE INVENTION]

그러나, 특허 문헌 1의 공정 오일은, 내후성이 충분하지 않아서, 예를 들면 자동차 내장재와 같이 직사 일광에 장시간 노출되는 용도에 이용하면 고무 재료가 변색되어 버릴 우려가 있다.However, the process oil of patent document 1 does not have enough weather resistance, and when it is used for the application exposed to direct sunlight for a long time like an automobile interior material, for example, there exists a possibility that a rubber material may discolor.

따라서, 본 발명의 목적은, 종래 공정 오일과 동등한 특성을 발휘할 수 있으면서 내열성, 내후성이 우수한 공정 오일 및 이러한 공정 오일을 이용한 고무 조성물을 제공하는 것에 있다.Accordingly, an object of the present invention is to provide a process oil excellent in heat resistance and weather resistance while exhibiting properties equivalent to those of a conventional process oil, and a rubber composition using such process oil.

<과제를 해결하기 위한 수단>MEANS FOR SOLVING THE PROBLEMS [

본 발명의 공정 오일은 하기 (a) 내지 (c)의 성상을 갖는 것을 특징으로 한다.Process oil of the present invention is characterized by having the properties of the following (a) to (c).

(a) 인화점 250 ℃ 이상(a) flash point of 250 ° C. or higher

(b) 세이볼트 색 +28 이상(b) Saybolt color +28

(c) 자외 흡광도(198 nm) 1.7 이하(c) ultraviolet absorbance (198 nm) 1.7 or less

본 발명의 공정 오일에 따르면, 인화점이 250 ℃ 이상이기 때문에 증발성이 낮고, 예를 들면 고무 기재에 혼련ㆍ배합하였을 때 기름 증기의 발생이 적어 작업성이 우수하다. 또한, 자외 흡광도(198 nm)가 1.7 이하이기 때문에, 고무 조성물로 하였을 때 매우 우수한 내후성을 갖는다.According to the process oil of the present invention, since the flash point is 250 ° C. or higher, the evaporation property is low. For example, when the oil is kneaded and blended on a rubber substrate, the generation of oil vapor is small and the workability is excellent. Moreover, since ultraviolet absorbance (198 nm) is 1.7 or less, it has very excellent weather resistance when it is set as a rubber composition.

여기서, 본 발명은, 백색계 공정 오일의 내후성이 오일 중의 미량인 방향족 분의 농도에 의존하는 것을 발견한 것에 의해 이루어진 것이다. 즉, 자외 흡광도를 기준으로 하여 이러한 미량의 방향족분을 실질적으로 소정량 이하로 함으로써 내후성이 매우 향상된 백색계 공정 오일을 얻을 수 있었던 것이다.Here, this invention is made by discovering that the weather resistance of white process oil depends on the density | concentration of the trace amount of aromatic component in oil. That is, the white-based process oil which improved the weather resistance very much was obtained by making such a trace amount aromatic substance substantially below a predetermined amount based on the ultraviolet absorbance.

본 발명의 고무 조성물은 상기한 공정 오일을 배합한 것을 특징으로 한다. The rubber composition of the present invention is characterized by blending the above-described process oil.

본 발명의 고무 조성물에 따르면, 상기한 성상을 갖는 공정 오일을 이용하기 때문에, 고무 기재에 혼련ㆍ배합하였을 때 기름 증기의 발생이 적어 작업성이 우수하다. 또한, 세이볼트 색이 +28 이상이고, 자외 흡광도(198 nm)가 1.7 이하이기 때문에, 고무 조성물로 하였을 때도 충분한 내후성을 갖는다. According to the rubber composition of the present invention, since the process oil having the above-described properties is used, oil vapors are less generated when kneaded and blended on the rubber substrate, and the workability is excellent. In addition, since the Seybolt color is at least +28 and the ultraviolet absorbance (198 nm) is at most 1.7, it has sufficient weather resistance even when the rubber composition is used.

본 발명의 고무 조성물은, 고무 기재가 EPDM, 올레핀계 열가소성 엘라스토머 및 스티렌계 엘라스토머로부터 선택되는 1종 이상인 것이 바람직하다.In the rubber composition of the present invention, the rubber base material is preferably at least one selected from EPDM, an olefin thermoplastic elastomer, and a styrene elastomer.

이러한 구성에 따르면, EPDM, 올레핀계 열가소성 엘라스토머 및 스티렌계 엘라스토머라는 범용성이 높은 고무 기재에 대하여, 내후성을 높인 고무 조성물로 함으로써, 특히 자동차 내장재 분야에서의 기술적 가치를 한층 높일 수 있다.According to such a structure, the rubber composition which has high weather resistance with respect to the highly versatile rubber base materials, such as EPDM, an olefinic thermoplastic elastomer, and a styrene elastomer, can raise technical value especially in the automotive interior material field.

<발명을 실시하기 위한 최선의 형태>BEST MODE FOR CARRYING OUT THE INVENTION [

본 발명의 공정 오일은 하기 (a) 내지 (c)의 성상을 갖는 것이다. The process oil of the present invention has the properties of the following (a) to (c).

(a) 인화점 250 ℃ 이상(a) flash point of 250 ° C. or higher

(b) 세이볼트 색 +28 이상(b) Saybolt color +28

(c) 자외 흡광도(198 nm) 1.7 이하(c) ultraviolet absorbance (198 nm) 1.7 or less

(a) 인화점: (a) Flash Point:

본 발명의 공정 오일은, 인화점이 250 ℃ 이상이고, 260 ℃ 이상인 것이 바람직하다. 인화점이 250 ℃보다 낮으면, 고무 기재와의 혼련시에 증발량이 많아져 작업성이 나빠진다.It is preferable that the process oil of this invention is a flash point of 250 degreeC or more, and is 260 degreeC or more. If flash point is lower than 250 degreeC, the amount of evaporation at the time of kneading with a rubber base material will increase, and workability will worsen.

또한, 공정 오일의 인화점은 ASTM D 92에 준거하여 측정할 수 있다.In addition, the flash point of process oil can be measured based on ASTMD92.

(b) 세이볼트 색: (b) Saybolt color:

본 발명의 공정 오일은, 세이볼트 색이 +28 이상이고, +30 이상인 것이 바람직하다. 세이볼트 색이 +28 미만이면, 방향족분의 농도 증가에 의해 내후성에 악영향을 미친다.It is preferable that the process oil of this invention is +28 or more in the seybolt color, and is +30 or more. If the Seybolt color is less than +28, the weathering resistance is adversely affected by increasing the concentration of aromatics.

또한, 세이볼트 색은 ASTM D 1500에 준거하여 측정할 수 있다.In addition, a seybolt color can be measured based on ASTMD1500.

(c) 자외 흡광도(198 nm):(c) ultraviolet absorbance (198 nm):

본 발명의 공정 오일은, 자외 흡광도가 1.7 이하이고, 1.6 이하인 것이 바람직하다. 자외 흡광도가 1.7을 넘으면, 내후성에 악영향을 주는 방향족분이 많기 때문에 내후성이 악화된다.The process oil of the present invention has an ultraviolet absorbance of 1.7 or less and preferably 1.6 or less. If the ultraviolet absorbance exceeds 1.7, the weather resistance deteriorates because there are many aromatics that adversely affect the weather resistance.

또한, 자외 흡광도는 JIS K 0115에 준거하여 측정할 수 있다. 구체적으로는, 시료 2.00 그램을 헥산으로 희석하여 50 ml로 만든 것을 1 mm 셀로 헥산을 블랭크로 하여 198 nm의 파장에서 측정하였을 때의 흡광도이다.In addition, ultraviolet absorbance can be measured based on JISK01115. Specifically, the absorbance when measured at a wavelength of 198 nm by diluting 2.00 grams of the sample with 50 ml of hexane diluted with hexane to blank hexane in 1 mm cells.

이하에, 상기한 본 발명의 공정 오일을 제조하는 수단의 일례에 대하여 상세하게 설명한다. An example of the means for producing the process oil of the present invention described above will be described in detail below.

[감압 경유의 제조(감압 경유 제조 공정)][Manufacturing of reduced gas oil (reduced gas oil)

감압 경유 제조 공정에서는, 원유를 상압 증류시킨 후의 상압 잔사유를 감압 증류시켜 감압 경유를 얻는다.In the vacuum gas oil production process, the atmospheric residue after the atmospheric distillation of crude oil is distilled under reduced pressure to obtain vacuum gas oil.

여기서, 원유를 상압 증류시키기 위해서는, 공지된 상압 증류 장치 및 증류 조건에서 행할 수 있다. 예를 들면 정제 대상이 되는 파라핀계 원유나 나프텐계 원유 등으로 이루어지는 원유를, 가열로 등에서 약 350 ℃ 정도로 가열시킨 후에 상압 증류탑으로 송출시키며, 상압 증류탑 내부에서 석유 증기가 되고, 석유 증기는 냉각 후, 비점이 낮은 것부터 높은 것으로 순서대로 분리된다.Here, in order to distill crude oil at atmospheric pressure, it can carry out by a well-known atmospheric distillation apparatus and distillation conditions. For example, crude oils consisting of paraffinic crude oil, naphthenic crude oil, and the like, which are to be purified, are heated to about 350 ° C. in a heating furnace and then sent to an atmospheric distillation column, which is petroleum vapor inside the atmospheric distillation column, and the petroleum vapor is cooled after cooling. In this case, the boiling points are separated in order from low to high.

다음에, 얻어진 상압 잔사유에 대하여, 감압하에서의 증류(감압 증류)를 추가로 실시한다. 감압 증류를 행하기 위해서는, 종래 공지된 감압 증류 장치 및 운전 조건에서 행할 수 있고, 이러한 감압 증류에 의해 감압 나프타, 감압 경유, 감압 잔사유의 각 증류분으로 분류되도록 하고, 그 중에서 감압 경유를 얻도록 할 수 있다.Next, distillation under reduced pressure is further performed on the obtained atmospheric residue oil. In order to perform vacuum distillation, it can carry out by a conventionally well-known vacuum distillation apparatus and operation conditions, and it is made to classify into each distillation component of vacuum naphtha, vacuum gas oil, and vacuum residue by this vacuum distillation, and vacuum gas oil is obtained from it. You can do that.

[탈아스팔트 기름의 제조(탈아스팔트 기름 제조 공정)][Manufacture of Deasphalted Oil (Deasphalted Oil Manufacturing Process)]

상기 공정에서 얻어진 감압 잔사유를, 예를 들면 액화 프로판(또는 액화 프로판/부탄 혼합 용제) 등의 용제를 이용하여 유분(탈아스팔트 기름)과 아스팔트분으로 분리한다. 액화 프로판에 의한 탈아스팔트는, 예를 들면 감압 잔사유에 대하여 4.5 내지 6배의 액화 프로판을 혼합하고, 추출 온도를 탑 정상/탑 바닥=85 내지 95 ℃/60 내지 75 ℃로 하여 탈아스팔트 기름을 추출할 수 있다.The vacuum residue obtained in the above step is separated into oil (deasphalted oil) and asphalt powder using a solvent such as liquefied propane (or liquefied propane / butane mixed solvent), for example. The deasphalted oil by liquefied propane, for example, mixes 4.5 to 6 times the liquefied propane with respect to the vacuum residue, and extracts the deasphalted oil to the tower top / top bottom = 85-95 degreeC / 60-75 degreeC. Can be extracted.

[수소화 분해 공정]Hydrogen Decomposition Process

상술한 각 공정에서 얻어진 감압 경유, 탈아스팔트 기름 또는 이들의 혼합유는 이하의 조건에서 수소화 분해된다.The vacuum gas oil, deasphalted oil, or mixed oil thereof obtained in each of the above-mentioned steps is hydrocracked under the following conditions.

촉매로서는, 알루미나나 실리카를 담체로 하여 Ni, Mo, W 및 Co 중 1종 또는 2종 이상을 담지시킨 것, 또는 제올라이트에 Pt, Pd 등의 귀금속을 담지시킨 것이 바람직하게 이용된다. As a catalyst, what supported one, two or more of Ni, Mo, W, and Co using alumina and silica as a support, or the thing which supported noble metals, such as Pt and Pd, on zeolite is used preferably.

바람직한 분해 온도는 300 내지 450 ℃이고, 보다 바람직하게는 350 내지 400 ℃이다. 바람직한 수소/원료유비는 500 내지 10000 Nm3/KL이고, 보다 바람직하게는 800 내지 2000 Nm3/KL이다. 바람직한 LHSV는 0.1 내지 10 Hr-1이고, 보다 바람직하게는 0.5 내지 2.0 Hr-1이다. 바람직한 수소 압력은 10 내지 25 MPa이고, 보다 바람직하게는 15 내지 20 MPa이다.Preferable decomposition temperature is 300-450 degreeC, More preferably, it is 350-400 degreeC. The preferred hydrogen / raw material suspension ratio is from 500 to 10000 Nm 3 / KL, more preferably 800 to 2000 Nm 3 / KL. Preferred LHSV is 0.1 to 10 Hr -1 , more preferably 0.5 to 2.0 Hr -1 . Preferable hydrogen pressure is 10-25 MPa, More preferably, it is 15-20 MPa.

[수소화 마무리 공정]Hydrogen Finishing Process

상술한 수소화 분해 공정에서 얻어진 수소화 분해유는 감압 증류로써 소정의 점도를 갖는 2종 이상의 유출유로 나누어진다. 또한, 이하와 동일한 조건에서 더욱 정제되어 방향족분의 농도가 매우 낮은 정제유가 된다.The hydrocracked oil obtained in the hydrocracking process mentioned above is divided into 2 or more types of outflow oil which has predetermined viscosity by vacuum distillation. Furthermore, it refine | purifies further on the following conditions and it becomes refined oil with very low aromatic content concentration.

촉매로서는, 알루미나나 실리카를 담체로 하여 Ni, Mo, W 및 Co 중 1종 또는 2종 이상을 담지시킨 것, 또는 제올라이트에 Pt, Pd 등의 귀금속을 담지시킨 것이 바람직하게 이용된다.As a catalyst, what supported one, two or more of Ni, Mo, W, and Co using alumina and silica as a support, or the thing which supported noble metals, such as Pt and Pd, on zeolite is used preferably.

바람직한 마무리 온도는 200 내지 350 ℃이고, 보다 바람직하게는 220 내지 320 ℃이다. 바람직한 수소/원료유비는 500 내지 10000 Nm3/KL이고, 보다 바람직하게는 500 내지 1000 Nm3/KL이다. 바람직한 LHSV는 0.1 내지 10 Hr-1이고, 보다 바람직하게는 0.5 내지 2.0 Hr-1이다. 바람직한 수소 압력은 10 내지 25 MPa이고, 보다 바람직하게는 15 내지 20 MPa이다. 이러한 수소화 마무리 조건에 의해 세이볼트 색 및 자외 흡광도를 조절할 수 있다. Preferable finishing temperature is 200-350 degreeC, More preferably, it is 220-320 degreeC. The preferred hydrogen / raw material suspension ratio is from 500 to 10000 Nm 3 / KL, more preferably 500 to 1000 Nm 3 / KL. Preferred LHSV is 0.1 to 10 Hr -1 , more preferably 0.5 to 2.0 Hr -1 . Preferable hydrogen pressure is 10-25 MPa, More preferably, it is 15-20 MPa. By the hydrogenation finishing conditions, the Seibolt color and the ultraviolet absorbance can be controlled.

상술한 수소화 마무리 공정으로 얻어진 생성유는 공정 오일로서 이용할 수도 있지만, 필요에 따라서 감압 증류되어 경질분이 제거되고, 인화점이 250 ℃ 이상이 되도록 조정된다.Although the product oil obtained by the above-mentioned hydrogenation finishing process can also be used as process oil, it is distilled under reduced pressure as needed, a hard component is removed and it is adjusted so that a flash point may be 250 degreeC or more.

이와 같이 하여 얻어진 본 발명의 공정 오일은 상기한 (a) 내지 (c)의 성상을 가짐으로써 증발성이 낮고, 내후성이 우수한 공정 오일이 된다. The process oil of the present invention thus obtained is a process oil having low evaporation property and excellent weather resistance by having the properties of the above-mentioned (a) to (c).

이러한 공정 오일은, 고무 기재인 EPDM, 올레핀계 열가소성 엘라스토머 및 스티렌계 엘라스토머로부터 선택되는 1종 이상에 배합함으로써, 각종 고무 조성물을 바람직하게 제공할 수 있게 된다. 또한, 얻어진 고무 조성물은, 내후성이 요구되는 자동차용 내장재로서 특히 바람직하게 사용된다.Such a process oil can be provided suitably by providing various rubber compositions by mix | blending in 1 or more types chosen from EPDM which is a rubber base material, an olefinic thermoplastic elastomer, and a styrene-type elastomer. Moreover, the obtained rubber composition is used especially suitably as interior materials for automobiles where weather resistance is calculated | required.

여기서, 본 발명의 공정 오일을 이용하여 고무(고무 조성물)를 제조하는 경우에 있어서는, 예를 들면 고무 기재 100 질량부에 대하여 본 발명의 공정 오일을 10 내지 50 질량부, 바람직하게는 20 내지 40 질량부 배합하여 제조할 수 있다.Here, when manufacturing a rubber (rubber composition) using the process oil of this invention, 10-50 mass parts of the process oil of this invention with respect to 100 mass parts of rubber base materials, Preferably it is 20-40 It can manufacture by mix | blending a mass part.

또한, 고무 조성물을 제조하는 경우에는, 본 발명의 공정 오일이나 고무 기재 이외에, 카본 블랙, 실리카 등의 보강제, 가황제, 가황 촉진제, 충전제, 왁스류 등의 열화 방지제, 본 발명의 공정 오일 이외의 연화제 또는 가소제 등의 통상 고무업계에서 이용되는 것을 적절하게 배합할 수도 있다.In addition, when manufacturing a rubber composition, in addition to the process oil and rubber base material of this invention, reinforcing agents, such as carbon black and a silica, a vulcanizing agent, a vulcanization accelerator, a filler, a deterioration inhibitor, such as wax, and other than the process oil of this invention What is normally used in the rubber industry, such as a softener or a plasticizer, can also be mix | blended suitably.

또한, 이상 설명한 양태는 본 발명의 한 양태를 나타낸 것이며, 본 발명은 상기한 실시 형태로 한정되지 않고, 본 발명의 목적 및 효과를 달성할 수 있는 범위 내에서의 변형이나 개량이 본 발명의 내용에 포함되는 것은 물론이다. 또한, 본 발명을 실시할 때의 구체적인 구조 및 형상 등은 본 발명의 목적 및 효과를 달성할 수 있는 범위 내에서 다른 구조나 형상 등으로 할 수도 있다.In addition, the aspect demonstrated above showed one aspect of this invention, This invention is not limited to said embodiment, The deformation | transformation and improvement within the range which can achieve the objective and effect of this invention are content of this invention. Of course it is included. In addition, the specific structure, shape, etc. at the time of implementing this invention can also be made into another structure, a shape, etc. within the range which can achieve the objective and effect of this invention.

예를 들면, 상기 (a) 내지 (c)의 성상을 갖는 것이면, 공정 오일을 얻는 수단은 적절하게 조정해도 문제없다.For example, as long as it has the properties of (a) to (c), the means for obtaining the process oil may be appropriately adjusted.

이하, 실시예 및 비교예를 들어 본 발명을 보다 구체적으로 설명하지만, 본 발명은 이들 실시예 등으로 조금도 제약되지 않는다.Hereinafter, although an Example and a comparative example are given and this invention is demonstrated more concretely, this invention is not restrict | limited at all by these Examples.

[실시예 1, 2][Examples 1 and 2]

(감압 경유 제조 공정)(Pressurized Diesel Production Process)

중동계 원유를 상압 증류시켜 등유, 경유 등의 연료유를 취출하고, 증류탑 바닥부로부터 유출된 상압 잔사유에 대하여 추가로 감압 증류시켜 감압 경유를 얻었다.Middle East crude oil was distilled under atmospheric pressure to extract fuel oils such as kerosene and diesel. Further, distillation under reduced pressure was carried out with respect to the atmospheric residue which flowed out from the bottom of the distillation column to obtain vacuum gas.

(탈아스팔트 공정)(Deasphalting process)

상술한 공정에서, 감압 경유 등을 분류한 후의 감압 잔사유에 대하여, 프로판을 용제로 하여 탈아스팔트를 행함으로써 탈아스팔트 기름을 얻었다.In the above-mentioned process, deasphalted oil was obtained by deasphalting the propane as a solvent with respect to the depressurized residue oil after classifying vacuum gas oil and the like.

(혼합 공정)(Mixing process)

상술한 각 공정에서 얻어진 감압 경유와 탈아스팔트 기름을 60/40의 용량비 로 혼합하여 혼합유를 얻었다.The vacuum gas oil and the deasphalted oil obtained in each of the above-mentioned steps were mixed at a capacity ratio of 60/40 to obtain a mixed oil.

(수소화 분해 공정) Hydrogen Decomposition Process

알루미나에 Ni와 W를 담지시킨 촉매를 이용하고, 반응 압력이 200 Kg/cm2, 반응 온도가 384 ℃, LHSV가 1.0 Hr-1, 수소/ 혼합유의 비가 1000 Nm3/KL인 조건에서 혼합유의 수소화 분해를 행하였다. 수소화 분해로 얻어진 생성유를 감압 증류시켜 4 종류의 점도 증류분으로 분류하고, 중질 증류분인 40 ℃ 점도 94 mm2/s의 증류분과 430 mm2/s의 증류분을 다음 수소화 마무리 공정으로 보냈다.Using a catalyst having Ni and W supported on alumina, the reaction pressure was 200 Kg / cm 2 , the reaction temperature was 384 ° C., the LHSV was 1.0 Hr −1 , and the hydrogen / mixed oil ratio was 1000 Nm 3 / KL. Hydrocracking was performed. The resulting oil obtained by hydrocracking was distilled under reduced pressure and classified into four types of viscous distillate, and a distillate with a viscosity of 40 ° C. and 94 mm 2 / s as a heavy distillate and a distillate with 430 mm 2 / s were sent to the next hydrofinishing process. .

(수소화 마무리 공정)(Hydrogenation finishing process)

상기한 2종의 증류분에 대하여, 알루미나에 Ni와 W를 담지시킨 촉매를 이용하고, 생성유의 자외 흡광도가 1.7 이하가 되는 반응 온도와 반응 압력이 20 MPa, LHSV가 0.5 Hr-1, 수소/ 혼합유의 비가 1000 Nm3/KL인 조건에서 수소화 마무리를 행하였다. 최종적으로, 40 ℃ 점도 94 mm2/s의 증류분으로부터는 40 ℃ 점도 92 mm2/s의 생성유가 얻어지고, 40 ℃ 점도 430 mm2/s의 증류분으로부터는 40 ℃ 점도 380 mm2/s의 생성유가 얻어졌다. 이들을 각각 실시예 1, 2의 공정 오일로 하였다.Regarding the two distillates described above, using a catalyst in which Ni and W are supported on alumina, the reaction temperature and reaction pressure at which the ultraviolet absorbance of the product oil becomes 1.7 or less is 20 MPa, LHSV is 0.5 Hr −1 , hydrogen / The hydrogenation finish was carried out under the condition that the ratio of the mixed oil was 1000 Nm 3 / KL. Finally, 40 ℃ viscosity viscosity 40 ℃ from 94 mm 2 / s distillate from the production of viscosity 40 ℃ 92 mm 2 / s is oil obtained, the distillate of 40 ℃ viscosity 430 mm 2 / s 380 mm 2 / The product oil of s was obtained. These were used as the process oil of Example 1, 2, respectively.

[비교예 1, 2][Comparative Examples 1 and 2]

실시예 1, 2의 수소화 마무리 공정에서, 반응 온도를 10 ℃ 낮춘 것 이외에 는, 동일한 조건에서 수소화 마무리를 행하였다. 그 결과, 자외 흡광도가 1.8과 2.0인 생성유를 얻었다. 이들을 각각 비교예 1, 2의 공정 오일로 하였다.In the hydrogenation finishing process of Examples 1 and 2, hydrogenation finishing was performed on the same conditions except having lowered reaction temperature by 10 degreeC. As a result, product oils with ultraviolet absorbances of 1.8 and 2.0 were obtained. These were used as the process oil of the comparative examples 1 and 2, respectively.

[비교예 3] [Comparative Example 3]

실시예 2의 수소화 마무리 공정에 의해 얻어진 고점도 생성유(40 ℃ 점도 380 mm2/s)에 대하여, 40 ℃ 점도가 32 mm2/s인 증류분(실시예 1에서 얻어진 4종의 점도 증류분 중의 경질 증류분)을 수소화 마무리하여 자외 흡광도 1.2로 만든 것을 혼합하여 40 ℃ 점도가 95 mm2/s인 생성유를 얻었다. 이것을 비교예 3의 공정 오일로 하였다.Carried out on a high-viscosity product oil (40 ℃ viscosity 380 mm 2 / s) obtained by hydrogenation finishing step of Example 2, 40 ℃ a viscosity of 32 mm 2 / s of distillate four kinds viscosity distillate of (obtained in Example 1 Light distilled powder) was hydrogenated and mixed with one having an ultraviolet absorbance of 1.2 to obtain a product oil having a viscosity of 95 mm 2 / s at 40 ° C. This was used as the process oil of Comparative Example 3.

[비교예 4] [Comparative Example 4]

실시예 2의 수소화 분해 공정에 의해 얻어진 고점도 생성유(430 mm2/s)를 황산 처리 및 백토 처리에 의해 정제하여 세이볼트 색 +30의 백색 생성유를 얻었다. 이것을 비교예 4의 공정 오일로 하였다. The high viscosity product oil (430 mm 2 / s) obtained by the hydrocracking process of Example 2 was purified by sulfuric acid treatment and clay treatment to obtain a white product oil having a color of Seybolt +30. This was used as the process oil of Comparative Example 4.

[비교예 5] [Comparative Example 5]

실시예 1의 수소화 마무리 공정에서, 40 ℃ 점도가 94 mm2/s인 증류분을, 반응 온도를 5 ℃ 낮춘 것 이외에는, 동일한 조건에서 수소화 마무리를 행하였다. 그 결과, 자외 흡광도가 1.79인 생성유를 얻었다. 이것을 비교예 5의 공정 오일로 하였다.In the hydrogenation finishing process of Example 1, hydrogenation finishing was performed on the same conditions except that the reaction temperature of 5 degreeC of distillate whose 40 degreeC viscosity was 94 mm <2> / s was lowered by 5 degreeC. As a result, a product oil having an ultraviolet absorbance of 1.79 was obtained. This was used as the process oil of Comparative Example 5.

[시험예 1] [Test Example 1]

실시예 1, 2 및 비교예 1 내지 4의 공정 오일에 대하여 내후성 시험을 행한 후의 세이볼트 색을 측정하였다. 또한, 각 공정 오일의 증발성에 대해서도 평가를 행하였다. 표 1에 각 공정 오일의 성상과 함께 결과를 나타낸다. 또한, 이들 시험ㆍ평가 방법은 하기와 같다.The Seybolt color after the weathering test was done about the process oil of Example 1, 2 and Comparative Examples 1-4. Moreover, the evaporation property of each process oil was also evaluated. Table 1 shows the results together with the properties of each process oil. In addition, these test and evaluation methods are as follows.

(내후성 시험)(Weather resistance test)

65 ℃의 온도에서 크세논 램프에 의해 8 시간 조사하여 공정 오일의 착색 유무(세이볼트 색)를 측정하였다. 또한, 이 시간은, 여름철 1 개월간 옥외에 노출시킨 조건에 상당한다. 내후성이 우수한 공정 오일은 거의 착색이 확인되지 않지만, 내후성이 나쁘면 수시간에 현저한 착색이 확인된다.It irradiated for 8 hours with the xenon lamp at the temperature of 65 degreeC, and the presence or absence of coloring of process oil (seibolt color) was measured. In addition, this time corresponds to the conditions exposed to the outdoors for 1 month in summer. Almost no coloration is observed in process oils excellent in weatherability, but when the weatherability is bad, remarkable coloring is observed in several hours.

(증발성) (Evaporative)

JIS K 2540 「석유 제품-윤활유-열 안정도 시험 방법」에 준거하여 측정하였다. 구체적으로는, 시료의 공정 오일 10 g을 소정의 용기에 넣어 200 ℃에서 1 시간 가열하고, 그의 감량에 의해 이하의 기준으로 평가하였다.It measured based on JISK2540 "petroleum product-lubricating oil-thermal stability test method." Specifically, 10 g of the process oil of the sample was put in a predetermined container, heated at 200 ° C. for 1 hour, and the weight loss was evaluated based on the following criteria.

A: 감량이 0.2 질량％ 이하인 것 A: weight loss is 0.2 mass% or less

B: 감량이 0.2 질량％를 초과하고 0.3 질량％ 이하인 것B: loss is more than 0.2 mass% and 0.3 mass% or less

C: 감량이 0.3 질량％를 초과하는 것C: weight loss exceeding 0.3 mass%

Figure 112008027620627-pct00001
Figure 112008027620627-pct00001

(결과)(result)

표 1로부터, 실시예 1, 2의 공정 오일은 인화점이 높기 때문에 증발성이 우수하다. 또한, 자외 흡광도가 1.7 이하이고, 내후성에 악영향을 주는 방향족분이 적기 때문에, 내후성 시험 후의 세이볼트 색이 모두 무색이고, 내후성이 우수한 것을 알 수 있었다.From Table 1, since the process oil of Examples 1 and 2 has a high flash point, it is excellent in evaporation property. Moreover, since the ultraviolet absorbance was 1.7 or less and there were few aromatics which adversely affect weather resistance, it turned out that all the saibolt colors after a weather resistance test are colorless and excellent in weatherability.

한편, 비교예 1, 2, 4는 모두 자외 흡광도가 1.7을 초과하였고, 내후성이 열악하기 때문에, 내후성 시험 후에는 모두 착색이 확인되었다. 특히, 비교예 4는 자외 흡광도가 10 이상으로 매우 크기 때문에, 착색이 현저하다. 비교예 3은 착색은 없지만, 인화점이 250 ℃ 미만이고, 증발성이 나쁘며(크며), 고무로의 혼련시에 작업성이 나쁘다. 비교예 5는 세이볼트 색은 +30이지만, 자외 흡광도가 1.7을 초과하였기 때문에, 내후성 시험 후에 착색이 확인되었다.On the other hand, in Comparative Examples 1, 2, and 4, the ultraviolet absorbance exceeded 1.7, and since the weather resistance was poor, all the coloring was confirmed after the weather resistance test. In particular, since Comparative Example 4 has very large ultraviolet absorbance of 10 or more, coloring is remarkable. Comparative Example 3 has no coloring, but has a flash point of less than 250 ° C, poor evaporation (large), and poor workability upon kneading with rubber. In Comparative Example 5, the sebort color was +30, but since the ultraviolet absorbance exceeded 1.7, coloring was confirmed after the weather resistance test.

[시험예 2][Test Example 2]

상기 실시예 1, 2 및 비교예 1 내지 5에 의해 얻어진 공정 오일을 이용하여 이하와 같이 스티렌계 고무를 제조하였다.Styrene rubbers were prepared using the process oils obtained in Examples 1 and 2 and Comparative Examples 1 to 5 as follows.

스티렌계 열가소성 엘라스토머(크레이톤 폴리머 재팬(주) 제조「크레이톤 지(Kraton G) 1652」) 100 질량부와 공정 오일 70 질량부를 혼련하고, 2개 롤로 시트 혼련한 후, 200 ℃에서 금형 성형을 행하여 두께 2 mm의 시트를 얻었다.100 parts by mass of a styrene-based thermoplastic elastomer (Kraton G 1652 manufactured by Krayton Polymer Japan Co., Ltd.) and 70 parts by mass of the process oil were kneaded, and the sheet was kneaded with two rolls, and then the mold was formed at 200 ° C. And a sheet having a thickness of 2 mm was obtained.

이 시트를 이용하여, 시험예 1과 동일한 조건에서 2 가지(조사 시간: 24 시간 및 78 시간) 내후성 시험을 행하고, 고무의 변색(착색) 유무를 육안에 의해 이하의 기준으로 평가하였다. 결과를 표 2에 나타낸다.Using this sheet, two weather resistance tests (irradiation time: 24 hours and 78 hours) were carried out under the same conditions as in Test Example 1, and the presence or absence of discoloration (coloring) of the rubber was visually evaluated based on the following criteria. The results are shown in Table 2.

A: 착색없음 A: No coloring

B: 미약하게 착색B: slightly tinted

C: 황색으로 변색C: discoloration to yellow

D: 갈색으로 변색D: discolored to brown

Figure 112008027620627-pct00002
Figure 112008027620627-pct00002

(결과)(result)

표 2로부터, 실시예 1, 2에서는, 78 시간의 내후성 시험을 행하여도 고무에 거의 착색이 없는 것을 알 수 있었다. 한편, 비교예 1, 2, 5에서는, 모든 고무가 78 시간 후에는 황색으로 변색되었다. 특히 비교예 4의 고무에서는 변색이 현저하기 때문에, 내후성 시험을 24 시간에서 중단하였다. From Table 2, it turned out that in Example 1, 2, even if it performed the 78-hour weather resistance test, there was almost no coloring in rubber | gum. On the other hand, in Comparative Examples 1, 2 and 5, all the rubbers were discolored yellow after 78 hours. In particular, since the discoloration was remarkable in the rubber of Comparative Example 4, the weather resistance test was stopped at 24 hours.

본 발명의 공정 오일은 자동차 내장재에 이용되는 고무 조성물의 공정 오일로서 바람직하게 사용할 수 있다.The process oil of this invention can be used suitably as process oil of the rubber composition used for automobile interior materials.

Claims (3)

삭제delete 하기 (a) 내지 (c)의 성상을 가지는 공정 오일의 제조 방법에 있어서,In the manufacturing method of the process oil which has a property of following (a)-(c), (a) 인화점 250 ℃ 이상(a) flash point of 250 ° C. or higher (b) 세이볼트(saybolt) 색 +28 이상(b) +28 or more saybolt colors; (c) 자외 흡광도(198 nm) 1.7 이하(c) ultraviolet absorbance (198 nm) 1.7 or less 원유를 상압 증류시킨 후의 상압 증류 잔사유를 감압 증류시켜 감압 경유를 얻는 감압 경유 제조 공정,A vacuum gas oil production step of distilling the atmospheric distillation residue oil after distilling crude oil under atmospheric pressure under reduced pressure to obtain a vacuum gas oil, 상기 감압 경유를 수소화 분해하여 수소화 분해유를 얻는 수소화 분해 공정,Hydrocracking step of hydrocracking the vacuum gas oil to obtain hydrocracking oil; 상기 수소화 분해유를 감압 증류시켜 유출유를 얻는 유출유 제조 공정, 및A distillate oil production process of distilling the hydrocracked oil under reduced pressure to obtain an distillate oil, and 상기 유출유를 추가로 200 내지 350 ℃에서 수소화하는 수소화 마무리 공정Hydrogenation finishing process for further hydrogenating the effluent oil at 200 to 350 ℃ 을 구비하는 것을 특징으로 하는 공정 오일의 제조 방법.Method for producing a process oil, characterized in that it comprises a. 삭제delete
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