CN1035674A - 金属加工润滑油 - Google Patents

金属加工润滑油 Download PDF

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CN1035674A
CN1035674A CN89101197A CN89101197A CN1035674A CN 1035674 A CN1035674 A CN 1035674A CN 89101197 A CN89101197 A CN 89101197A CN 89101197 A CN89101197 A CN 89101197A CN 1035674 A CN1035674 A CN 1035674A
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CN1015377B (zh
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畑野敏
川崎宗平
星野哲郎
远藤高三
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ExxonMobil Technology and Engineering Co
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
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    • C10M129/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
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    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating 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
    • C10M169/04Mixtures of base-materials and additives
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    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10Petroleum or coal fractions, e.g. tars, solvents, bitumen
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
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    • C10M2207/284Esters of aromatic monocarboxylic acids
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/285Esters of aromatic polycarboxylic acids
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
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    • C10M2207/286Esters of polymerised unsaturated acids
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/20Metal working

Abstract

本发明涉及一种金属加工润滑油,该润滑油由于添加有某些偏三酸的三酯因而具有改进的润滑性能。用这种方法制成的润滑油特别适宜在不锈钢板和镏的冷轧过程中作冷轧用润滑油。

Description

本发明涉及一种金属加工润滑油,该润滑油由于添加了偏苯三酸的某些酯从而改进了润滑性能。
在润滑油中应用酯类是众所周知的。例如,美国专利2134736公开了多元羧酸的酯,特别是二元羧酸的酯,当这样的酯与烃油掺合时便是专门用于极压润滑场合的润滑油,例如齿轮油和轴承润滑油、金属切削油和钻孔油等等。此外,美国专利3769125公开了酯润滑剂组合物,该组合物中的酯是由聚氧碱性二醇与二聚酸和短链二元酸组成的二元酸混合物衍生的。在另一个例子中,美国专利4178260公开了酯基金属加工润滑剂,其中优选的润滑剂包括(ⅰ)季戊四醇和C6~C20酯族一元羧酸的四酯和(ⅱ)正磷酸的混合物。最近的美国专利4618441和4655947公开了含有矿物油和烷氧基烷基酯的润滑油组合物。
然而,前述文献中没有一份提到过由于在所说的润滑油中存在三2-乙基己基偏苯三酸酯、三正辛基偏苯三酸酯或其混合物而具有改进的润滑性能的润滑油。
根据本发明发现了一种含有少量三2-乙基己基偏苯三酸酯(TOTM)、三正辛基偏苯三酸酯(TNOTM)或其混合物的金属加工润滑油,该润滑油相对于不含TOTM或TNOTM的润滑油来说具有改进的润滑性能和光亮度。本发明还设想一种改进的金属加工方法,该方法包括使用含有少量TOTM、TNOTM或其混合物的润滑油进行金属加工操作。
图1-3表明在三个温度下,基础油本身及基础油和各种添加剂掺合时的摩擦系数随时间的变化。
图4表明两种不同润滑油的光亮度随轧制速度的变化。
图5表明三种不同润滑油的光亮度随压缩比的变化%。
添加有TOTM或TNOTM的金属加工润滑油含有大量的润滑油基础原料(即基础油)和少量的TOTM或TNOTM。基础油可以包括液态烃,例如矿物润滑油、合成润滑油或其混合物。重要的是基础油含有少量芳香烃〔例如约4~10%(重),最好约5.5~8%(重)〕并具有皂化值约15~40,较好约20~35,最好约25~30。优选的基础油是溶剂抽提和加氢精制过的,其硫含量约0.1~0.5%(重)的石蜡馏分。一般基础油在40℃时的粘度约为8-20厘斯,最好约为9~15厘斯。
在所说金属加工润滑油中TOTM或TNOTM的含量将随所要求的光亮度、具体使用的操作参数和具体应用的油而变化。通常,所需的量只是在保持其溶解时足以或有效的改进所说润滑油的光亮度。然而,一般对所说的润滑油来说,所需的量约为8~15%(重),最好约为10~13%(重)。TOTM和TNOTM是可从市场上买到的化合物并可用已知反应制备。
除TOTM或TNOTM外,如果需要的话,本领域中其它已知的添加剂也可以用于所说的润滑油中。例如可添加氧化抑制剂来改善所说润滑油的氧化安定性。
本发明的润滑油适用于金属表面互相摩擦时的金属加工。这种润滑油特别适合用作金属板或箔的冷轧润滑剂。当润滑油用于这样的场合时,其结果是改进了金属的光亮度并减小了所润滑的摩擦金属间的摩擦。轧制的金属的粗糙度也最小。一般这种润滑油在40℃时的粘度约为8~20厘斯。
尽管关于用TOTM和它的异构体TNOTM的本发明的润滑油已有叙述,但所说化合物的某些同系物也可适当地应用在所说的润滑油中,因此,可以采用的三酯类化合物具有下列通式:
Figure 891011978_IMG3
其中R是具有6~13个碳原子的烷基;例如三正壬基偏苯三酸酯(C9),三异癸基偏苯三酸酯(C10)等。然而,TOTM或TNOTM(其中R是8个碳原子)是最好的。
通过下列实施例可以进一步了解本发明,但这些实施例并不是对本发明权利要求范围的限制。
实施例1:TOTM对摩擦系数的影响
用30CC基础油试样,进行基础油和基础油与某些添加剂的混合物的试验,使用球-圆柱摩擦试验机测定所说添加剂对摩擦系数的影响。所用的球-圆柱摩擦试验机在R.Benzing等人的“摩擦和磨损装置”第二版、美国润滑工程师学会会报(1976)中有描述,该文献公开的内容列为本文的参考文献。该机在室内空气中,在三个温度(90℃、120℃和150℃)下,在圆柱以0.8r.P.m(11、3cm/min)的转速旋转的同时施加4Kg的载荷约20分钟的条件下操作的。该球(直径为1.25cm)和旋转圆柱(46mm×18mm)都用52,100不锈钢(SUJ-2)制造。该球和圆柱的表面粗糙度分别为2和6微英寸。圆柱体的洛氏硬度是62。试验用基础油具有如下规格:
芳烃    %(重)    5.6
粘度,厘斯(在40℃)    9.5
硫    %(重)    0.2
基础油加试验用的添加剂如下:
基础油+10%(重)C12/C16
基础油+10%(重)C18硬酯酸丁酯
基础油+10%(重)TOTM
基础油/TOTM混合物的皂氏值是30。
这些试验的结果总括于下面的表1并示于图1、2和3中。
表1
温度    0分钟    5分钟    10分钟    15分钟    20分钟
90℃基础油    0.216    0.102    0.204    0.204    0.228
加醇    0.184    0.180    0.168    0.178    0.178
加硬酯
酸丁酯    0.204    0.180    0.173    0.204    0.240
加TOTM    0.192    0.168    0.168    0.182    0.184
120℃基础油    0.264    0.226    0.322    0.349    0.341
加醇    0.228    0.211    0.204    0.240    0.224
加硬酯
酸丁酯    0.217    0.217    0.214    0.238    0.277
加TOTM    0.204    0.204    0.209    0.228    0.220
150℃基础油    (1)    (1)    (1)    (1)    (1)
加醇    0.240    0.408    0.360    0.349    0.365
加硬酯
酸丁酯    0.217    0.360    0.385    0.409    0.409
加TOTM    0.204    0.312    0.348    0.343    0.360
(1)不能测定
表1中的数据表明当基础油中含有TOTM时,随着温度的增加,得到的摩擦系数较小。
实施例2:TOTM对光亮度的影响
用Sundwig制造的12级多辊轧机,使用0.9mm厚、150mm宽和100mm长的退火的304不锈钢(奥氏体)试样进行试验。工作轧辊是直径为38mm的不锈钢(SUJ-2)辊,其维氏硬度为950,粗糙度为0.3微米。轧制速度为20~200米/分。试验用油的性质如下:
性质    油A    油B
粘度,厘斯(在40℃)    10    10
添加剂,%(重)    10    13-14
主添加剂    TOTM    单酯
辅助添加剂    -    磷酸酯(TCP)
皂化值    30    40
然后测定各个试样的光亮度,其结果列于下面表2,并示于图4中。
表2
轧制速度    光亮度
(米/分)    油A    油B
20    979    1001
50    1027    991
100    1034    968
130    1035    980
200    1012    938
表2中的数据及图4所示的结果表明当润滑油中含有TOTM时改进了试样的光亮度。因此,TOTM的使用导致了比竞争性添加剂更好的表面光洁度。
实施例3:TNOTM对光亮度的影响
用Kobelco制造的12级多辊轧机,使用0.1mm厚、50mm宽和100mm长的退火430不锈钢(铁素体)试样进行试验。工作轧辊是维氏硬度为98、粗糙度为0.3微米的不锈钢(SUJ-2)辊。轧制速度为100米/分,在轧压量为40~65%,用下列性质的油进行试验:
性质    油A    油B    油C
粘度,厘斯(在40℃)    8.0    8.0    8.0
添加剂,%(重)    10    20    20
主添加剂    TNOTM    单酯    单酯
辅助添加剂    -    磷酸酯(TCP)    脂肪酸
皂化值    30    40    40
这些试验的结果示于图5中。
图5中的数据表明,当用含有TNOTM(无附加的任何光亮度增强剂)的润滑油时,改善了光亮度并得到更好的表面光洁度。

Claims (12)

1、一种金属加工润滑油组合物,其包括润滑油基础油和有效量的具有下列通式的三酯:
Figure 891011978_IMG1
其中R是有6~13个碳原子的烷基。
2、根据权利要求1的组合物,其中所说的三酯是三2-乙基己基偏苯三酸酯、三正辛基偏苯三酸酯或其混合物。
3、根据权利要求2的组合物,其中所说的基础油的芳烃含量约为4~10%(重)。
4、根据权利要求3的组合物,其中所说的三酯含量约为8~15%(重)。
5、根据权利要求4的组合物,其中所说的三酯含量约为10~13%(重)。
6、一种金属加工方法包括:
(a)在金属上施用润滑油组合物,该组合物包括润滑油基础油和有效量的具有如下通式的三酯:
Figure 891011978_IMG2
其中R是有6~13个碳原子的烷基,和
(b)对所说的金属进行金属加工操作。
7、根据权利要求6的方法,其中所说的三酯是三2-乙基己基偏苯三酸酯、三正辛基偏苯三酸酯或其混合物。
8、根据权利要求7的方法,其中所说的基础油的芳烃含量约为4~10%(重)。
9、根据权利要求8的方法,其中所说的三酯的含量约为8~15%(重)。
10、根据权利要求9的方法,其中所说的三酯的含量约为10~13%(重)。
11、根据权利要求6的方法,其中所说的金属是不锈钢。
12、根据权利要求11的方法,其中所说的金属是不锈钢板。
CN89101197A 1987-12-28 1988-12-28 金属加工润滑油 Expired CN1015377B (zh)

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CN103917633A (zh) * 2011-07-29 2014-07-09 出光兴产株式会社 滚轧加工用润滑油以及滚轧加工方法

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CN103917633A (zh) * 2011-07-29 2014-07-09 出光兴产株式会社 滚轧加工用润滑油以及滚轧加工方法

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FI885991A (fi) 1989-06-30
DE3880124T2 (de) 1993-07-15
KR890010172A (ko) 1989-08-07
CN1015377B (zh) 1992-02-05
NO885772D0 (no) 1988-12-27
JPH01272695A (ja) 1989-10-31
CA1330790C (en) 1994-07-19
AU2761888A (en) 1989-06-29
AU612218B2 (en) 1991-07-04
EP0325860A1 (en) 1989-08-02
BR8806941A (pt) 1989-08-29
NO172591C (no) 1993-08-11
NO885772L (no) 1989-06-29
US5068049A (en) 1991-11-26
MX165839B (es) 1992-12-07
DE3880124D1 (de) 1993-05-13

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