CN86102743A - 供金属润滑用的特压添加剂 - Google Patents

供金属润滑用的特压添加剂 Download PDF

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CN86102743A
CN86102743A CN86102743A CN86102743A CN86102743A CN 86102743 A CN86102743 A CN 86102743A CN 86102743 A CN86102743 A CN 86102743A CN 86102743 A CN86102743 A CN 86102743A CN 86102743 A CN86102743 A CN 86102743A
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克利福德·R·斯隆
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Abstract

众所周知,氯化石蜡可用作润滑金属的特压润滑添加剂。由于这类添加剂具有高度腐蚀性,故不适于某些方面的应用,如润滑内燃机。本发明解决了以往氯化石蜡添加剂的腐蚀问题。本发明是由分量较多的氯化石蜡和少量碱土金属磺酸盐,如磺酸钡或磺酸钙以及择优的一种基础矿物油和溶剂混合而成。得到的添加剂可加入标准机油中,以改善内燃机在特压条件下的性能。

Description

本发明主要涉及润滑添加剂领域,确切地讲,是介绍一种(耐)特压添加剂,该添加剂适于加入机油及其它润滑剂中。
我们已知某些氯基化合物,如称作氯化石腊的石腊烃化合物的氯衍生物,可用做润滑添加剂,以改善特压条件下润滑添加剂的性能。在正常润滑条件下,两金属表面由一层润滑剂薄膜将其分开,以尽量减少摩擦力。但在两金属表面处于特压条件时,在二者的接触部位,所有液体润滑剂都被挤出。然而,我们发现,加入如氯化石腊这样的(耐)特压添加剂后,两表面间产生的热能引起添加剂中的氯原子释放出来,与表面金属结合,形成氯化物,如与铁结合,则产生氯化铁。这层氯化物表面涂层,其摩擦系数与未经润滑的金属表面的摩擦系数比起来要小得多。氯化铁表面涂层旨在填充两表面间的凹陷部位,导致在相互作用处产生较光滑的表面,以及减小摩擦力和损耗。
氯化石腊已作为(耐)特压添加剂在诸如金属加工业中得到应用。但由于氯化石腊的腐蚀性,它不适于内燃机或其它对腐蚀敏感领域的应用。在加热条件下,氯化石腊可释放出具有腐蚀性的盐酸。
本发明提供一种(耐)特压添加剂,该剂主要由氯化石腊组成,但腐蚀性较低。因此它适用作内燃机润滑剂或其它必须避免腐蚀之处。
依照本发明之一,可提供一种(耐)特压润滑添加剂,它包含大量氯化石腊和少量碱土金属磺酸盐(最好选用磺酸钙或磺酸钡)。用含有或不含矿物油精的矿物油做添加剂的基础油,再加入一种溶剂以延长产品的贮存寿命。一方面,本发明的添加剂包含30~70%(容积)的氯化石腊和0.5~10%(容积)的磺酸钙;另一方面,该添加剂包含约51.5%(容积)的氯化石腊,约31%(容积)的溶剂,约15.5%(容积)的矿物油,约1%(容积)的矿物油精以及约1%(容积)的磺酸钙。依照本发明,还可提供一种适用于作为内燃机马达油的润滑剂,也就是用一份上述(耐)特压润滑添加剂加至10~30份的标准马达油之中。依照本发明的最佳方案,是把约1份(耐)特压添加剂加至20份标准马达油中即可制成。同样根据这项发明。将上述(耐)特压添加剂加至各种润滑脂、液压油、润滑切削油、齿轮箱油、自动传动润滑液、空调制冷剂或渗透油中,以改善它们在特压条件下的性能。依照本发明,(耐)特压润滑添加剂还可加至汽油或柴油燃料调节剂中,以提供一种改良的汽油或柴油燃料调节剂。
依照本发明,还提供了生产润滑剂(耐)特压添加剂的方法,该方法包括下列步骤:
1)把约占最终产物容积51.5%的氯化石腊与约占最终产物容积15.5%的一种基础润滑油混合。
2)把约占最终产物1%(容积)的磺酸钙与约占最终产物1%(容积)的矿物油精混合;
3)把氯化石腊/矿物油混合物与磺酸钙/矿物油精混合物以及约31%(容积)的溶剂混合。
这一分溶剂可以部份地与最初的石腊/矿物油混合物混合。
本发明中选用的最佳氯化石腊由C-I-L公司出售,商标名为CERECLOR 63L,其分子简式为:C15.5H26.8Cl16.31。已知该产物与钢接触时,具有轻度腐蚀性,并分解成盐酸和氯化氢。其它级别的CERECLOR也适用。将约占最终产物51.5%(容积)的氯化石腊添加剂与约15.4%(容积)的一种基础矿物油慢速完全混合,以避免产生泡沫。将该混合物加热至约150°F,以促进混合过程和防止组分后来发生分离。最好选用Shell Canada Limited,(加拿大壳牌有限公司)出售,商标名为VITREA №220的矿物油。接着,将磺酸钙与矿物油精分别混合。理想的组合是约占最终产物1%(容积)的磺酸钙添加剂和约1%(容积)的矿物油精。优选的磺酸钙是由Lubrizol公司出售、商标名为LUBRIZOL 78的磺酸钙。该产物系强碱性磺酸钙,硫代-β-萘酚(TBN)值约为400,含钙的重量占15.0~16.0%,硫的重量占1.25~1.8%。以加拿大壳牌有限公司出售、商标名为SHELL SOL。的矿物油精产品较好,其组成为89~94%(容积)的饱和物、6~15%(容积)的芳香族化合物、及最多不过0.1%(容积)的硫组成。
然后将磺酸钙/矿物油精混合物与氯化石腊/矿物油混合物混合,芳烃溶剂的量为占最终产物的约30.9%(容积)。溶剂的作用旨在使得该混合物变稀薄,因此可延长产物的贮藏寿命,这样石腊可以在悬浮液中保留较长时间而不致出现分层。加拿大壳牌有限公司出售、商标名为CYCLO-SOL    53的芳烃溶剂较为适用。为了掩盖油和溶剂的气味,可加入少量工业香料,例如由FELTON国际公司出售的Felton    Solvent    Mask    C#962,加入香料的量为每45加伦氯化石腊中可加入一升。也可将部分溶剂加入最初的CERECLOR/矿物油混合物中。
混合时应该不使产物出现泡沫。再者,可加温到约150°F时混合各组份,以防止组份的结晶和沉积。如此混合后的最终产物即本项发明的(耐)特压添加剂。
对本发明润滑添加剂样品作了如下分析。由于氯化石腊的等级及各组份的比例不同,这些指标的数值也随之而变化。
比重@70°F(21.1℃)    1.15。
倾点    -27°F(-32.8℃)
粘度@40℃    72.9赛波特通用粘度计流出秒数
(SUS)(13.8里沲)
粘度@100℃    37.5赛波特通用粘度计流出秒数
(SUS)(3.41里沲)。
闪点(PMCC)    108°F(42.2℃)
TBN(ASTM    D2896)    6.73
铜板腐蚀试验(ASTM    D130)
1小时@254°F(123.3℃)    1a
介电强度    26.5千伏
含水量    0.00%
光谱分析:铁    7
铬    7
铜    2
铅    33
铝    9
硅    4
锡    13
钠    10
镁    11
银    1
镍    5
锌    11
钙 1000+
经实验结果证明,本发明与三种标准机油的相容性很好。为了试验腐蚀失重,将低碳钢片置于210°F(98.9℃)至220°F(104.4℃)温度的该产品中7天。当放在ESSO    UNIFLO    10/40油中时,没有测到腐蚀失重。将本发明添加剂以6%(容积)的数量加入UNIFLO中时,仍然未测到腐蚀失重。
利用特压测试机很容易检测本发明作为(耐)特压润滑剂的效力。该机器利用马达转动钢轴承座,便静止钢轴承与旋转钢轴座相接触;通过来回移动,把钢轴嵌入旋转臂末端,该臂搁在与旋转轴接触部位。该旋转臂依次由第二根旋转臂以杠杆操纵其另一末端,在此端可对其加上重量。安装这些臂是为产生多杠杆作用,故在第二根臂的末端加上的一小重量,根据杠杆原理,通过旋转轴座的接触点能得到显著放大。由于接触面小,因此静止轴承加给旋转轴座的压力就很大。开始时,让轴承座在标准马达油浴中旋转,使该臂末端所带测试轴承置于旋转轴座上而不加额外压力。检查测试轴承发现,由于摩擦的缘故,在轴承表面出现了大约1毫米宽的小伤痕。然后转动测试轴,换另一面对准轴座。同样将测试轴承与旋转座相接触,所不同的是,这次在多杠杆仪器的末端加上大约4磅的压力,从而在接触点产生更大的压力。检查测试轴承,发现在其表面形成了一块较大的伤痕,大约4毫米宽。
重复这项实验,这次仅仅将一定量本发明的(耐)特压润滑添加剂加至旋转轴座在其中旋转的机油浴液中。同样,将测试轴承转向新的一面,对准轴座,令其与旋转轴座接触,而不附加压力。经测试轴承检查发现伤痕明显减少。当再重复试验,在杠杆系统末端加上4磅压力(1.81公斤)的重量,检查测试轴承,此时伤痕宽度不足1毫米,故伤痕仍然小于最初无附加压力仅含机油情况时产生的伤痕。的确,在仅有马达油浴液的情况下,在轴承表面形成的是个深半圆槽;但是,当测试轴承与旋转轴座的接触点马达油加上添加剂的浴液中时,肉眼看来,在轴承表面上仅有一小块光滑区域。即使在杠杆系统的末端所加重量从4磅加到6磅时,测试轴承上的伤痕无明显增大,与最初无附加压力、仅仅在马达油浴中时相比,伤痕在宽度上并不比1毫米大。确实,与仅在马达油中时出现的凹陷小伤痕相比,采用添加剂使伤痕表面显得光亮。
除了作为马达油的(耐)特压添加剂外,本发明润滑添加剂还可加至其它润滑剂和流体中,例如润滑脂〔最好用约10%(容积)的添加剂〕、金属切削油润滑剂、工业齿轮润滑剂、液压油(不包括水力制动用液体)、自动传动润滑液、动力转向装置液、渗透油、空调制冷剂、或用作黄铜涂层。在所有上述应用中,本发明添加剂的目的是在特压条件下减小摩擦力和金属损耗,并减少腐蚀。我们还发现,将本发明(耐)特压添加剂产品加入汽油或柴油燃料调节器中,可改善内燃机的性能,这是通过在发动机上端,润滑了与燃料接触的活动金属部件而达到的。
虽然,磺酸钙作为一种合适的磺酸盐已专门抵消氯化石腊的腐蚀性,但其它碱土金属磺酸盐也具有相似的特性,例如磺酸钡,亦可在本发明中采用。尽管我们只叙述了该发明的最佳实施例,然而本发明的范围却不限于此,这在下面的权利要求中加以规定。

Claims (19)

1、一种特压润滑添加剂,包括
1)30~70%(容积)的氯化石腊。
2)0.5~10%(容积)的一种碱土金属磺酸盐。
2、按照权利要求1中的特压润滑添加剂,其中氯化石腊占上述添加剂的40~60%(容积)。
3、按照权利要求2中的特压润滑添加剂,其中碱土金属磺酸盐占上述添加剂的0.5~3%(容积)。
4、按照权利要求1中的特压润滑添加剂,其中氯化石腊占上述添加剂约51.5%(容积),碱土金属磺酸盐占上述添加剂约1%(容积)。
5、权利要求1,2,3或4中所述润滑添加剂,其中碱土金属磺酸盐系磺酸钙或磺酸钡。
6、一种特压润滑添加剂,包括:
1)30~70%(容积)的氯化石腊,
2)30~70%(容积)的一种矿物油,多种矿物油精或溶剂;
3)0.5~10%(容积)的一种碱土金属磺酸盐。
7、按照权利要求中6所述特压润滑添加剂,其中氯化石腊占上述特压润滑添加剂的50%(容积)。
8、权利要求7中所述(耐)特压润滑添加剂,其中碱土金属磺酸盐占所述(耐)特压润滑添加剂的1~3%(容积)。
9、权利要求6,7,或8中的(耐)特压润滑添加剂,其中碱土金属磺酸盐系磺酸钙或磺酸钡。
10、一种特压润滑添加剂,包括:
1)约51.5%(容积)的一种氯化石腊;
2)约31%(容积)的一种溶剂;
3)约15.5%(容积)的一种矿物油;
4)约1%(容积)的磺酸钙;
5)约1%(容积)的多种矿物油精。
11、一种马达油,包括:
1)10至30份(容积)的一种普通马达油;
2)以及权利要求1.3.6.8或10中所述特压润滑添加剂1份(容积)。
12、一种马达油,包括:
1)20份(容积)的普通马达油;
2)权利要求1.3.6.8或10中所述特压润滑添加剂1份(容积)。
13、生产特压润滑添加剂的一种方法,其步骤包括:
1)将40~60%(容积)的氯化石腊与10~20%(容积)的一种矿物油混合;
2)将0.5~3%(容积)的矿物油精与0.5~10%(容积)的一种碱土金属磺酸盐混合;
3)将步骤1)及2)所得混合物与20~40%(容积)的一种溶剂混合。
14、权利要求13中所述碱土金属磺酸盐系磺酸钙或磺酸钡。
15、生产特压润滑添加剂的一种方法,其步骤包括:
1)使约51.5%(容积)的氯化石腊和约15.5%(容积)的矿物油混合;
2)将约1%(容积)的多种矿物油精与1%(容积)的一种碱土金属磺酸盐混合;
3)把步骤1)及2)所得混合物与约31%(容积)的一种溶剂混合。
16、权利要求15中所述碱土金属磺酸盐系磺酸钙或磺酸钡。
17、一种汽油或柴油燃料调节剂,包括权利要求1.3.6.8.或10中所述的添加剂。
18、一种特压润滑添加剂,包括:
1)大量的氯化石腊,和
2)少量碱土金属磺酸盐。
CN86102743A 1985-03-20 1986-03-20 供金属润滑用的特压添加剂 Pending CN86102743A (zh)

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CA000477059A CA1221677A (en) 1985-03-20 1985-03-20 Extreme pressure additive for use in metal lubrication
CA477,059 1985-03-20

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JP (1) JPS61258898A (zh)
KR (1) KR900000876B1 (zh)
CN (1) CN86102743A (zh)
AT (1) ATE91298T1 (zh)
CA (1) CA1221677A (zh)
DE (1) DE3688654T2 (zh)
FI (1) FI861151A7 (zh)
NO (1) NO861040L (zh)
PT (1) PT82234B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101646756B (zh) * 2007-03-30 2013-11-20 出光兴产株式会社 润滑油组合物
CN108026471A (zh) * 2015-05-11 2018-05-11 克利福德·雷金纳德·斯隆 环境友好的高压润滑剂添加剂

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115678650A (zh) * 2022-10-20 2023-02-03 富兰克润滑科技(太仓)有限公司 一种低粘度多功能切削油及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB689759A (en) * 1944-07-27 1953-04-01 Lubrizol Dev Corp Lubricant improving agent and lubricant containing same
NL235995A (zh) * 1958-02-11
US4534873A (en) * 1983-09-28 1985-08-13 Clark Gary G Automotive friction reducing composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101646756B (zh) * 2007-03-30 2013-11-20 出光兴产株式会社 润滑油组合物
CN108026471A (zh) * 2015-05-11 2018-05-11 克利福德·雷金纳德·斯隆 环境友好的高压润滑剂添加剂

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DE3688654T2 (de) 1994-02-10
EP0195674A3 (en) 1987-05-27
DE3688654D1 (de) 1993-08-12
EP0195674B1 (en) 1993-07-07
FI861151L (fi) 1986-09-21
PT82234A (en) 1986-04-01
CA1221677A (en) 1987-05-12
FI861151A7 (fi) 1986-09-21
KR900000876B1 (ko) 1990-02-17
JPS61258898A (ja) 1986-11-17
NO861040L (no) 1986-09-22
PT82234B (en) 1987-08-17
EP0195674A2 (en) 1986-09-24
ATE91298T1 (de) 1993-07-15
KR860007363A (ko) 1986-10-10
FI861151A0 (fi) 1986-03-19

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