DE1594333A1 - Extreme pressure oil additive - Google Patents

Description

PAT «NT» NW * L | - - T.I.Ion,

THE ANCHOR'CHEMICAL COMPANY LIMITED, Clayto-n Lane, Clayton

Manchester 11, England

Extreme pressure oil additive

For this filing, the priority will be the corresponding UK Patent application No. 15,300 dated April 9, 1965 claimed.

"The use of certain chlorinated and suifochlorinated compounds .Fertilize as 'extreme pressure additive (EDZ) for lubricating oil and' Cutting fluids are well known. Is is still known that such additives have a tendency to decompose - have and dS: it especially under difficult working conditions. One consequence of this is that ferrous metals, with which these additives or oils containing them in Contact has a tendency to discolouration and corrosion.

This effect is expected by essentially the partial decomposition of the Zusatzmitteig be conditioned, is thereby a development of hydrogen chloride yields attacks of ferrous metals under ι ^A-usbilden the corresponding Metallohloride. This metal chloride is in turn hydrolyzed into iron (III) hydroxide by the humidity in the air, which forms a brown discoloration on the surface of the metal in question. This phenomenon is particularly evident in metalworking operations in which both iron and steel tools and the iron and steel parts of machine tools are in intimate contact with the cutting agent containing the additive.

available.

Many chlorinated additives are sufficiently stable in practice, In order not to cause any problems from this point of view, however, additives with excellent properties have been found With regard to high pressure applications, these products have been shown to be subject to this phenomenon.

One problem on which the invention is based therefore exists in reducing or preventing discoloration and corrosion of the type described above » According to the invention, an extreme pressure oil additive for lubricating oils is provided and cutting fluids suggested that one liquid chlorinated or sulfochlorinated compound and an organic one Contains salts of a metal of Group II of the Periodic Table, the salt in the chlorinated or sulfo-chlorinated Compound and soluble in the lubricating oil or cutting fluid.

Suitable metal salts include the calcium, barium and zinc salts of naphthenic acids, albeit other metals of group II, such as cadmium and other organic acids, especially aliphatic carboxylic acids, both saturated and unsaturated e.g. 2-ethylhexonic acid, lauric acid and Stearic acid, oleic acid and linolenic acid can be used provided that the condition of sufficient solubility in the mineral oil is met. Effective amounts of / organic salts of Group II metals are in the range of 1.0 to 60.0 parts by weight per 100 parts of chlorinated additives and can be used either in the form of the neat salt or, preferably, as a commercial concentrate. ι _A ^

009830/1487

• - 3 -

ORIGINAL BATHROOM -

The extreme pressure: oil additive can also contain a lot Contains lubricant or cutting fluid to facilitate dispersion of the additive during use. the ■ Metals II have the further advantage of a low toxicity and this is a valuable feature in particular Cutting fluids represent "

Öhlbrierte Zusatzmittei, in which the invention Products that have proven to be excellent are sulfochlorinated fatty oils (the reaction product of a fatty oil and sulfur monochloride), However, the object of the invention is not to apply of the stabilizer in additives of this type

The iirfindung is in the following for example with reference explained on a number of implementation examples.

Example 1

A mixture of 92 parts by weight of IVtneral oil, 8 parts by weight of sulfochlorinated sperm oil and 0.7 parts by weight of an organic salt of a group II metal soluble in the oil is applied as a film on a standard steel plate (a Beeny plate ). Spread out in the presence of Stanuard stanis chips and store the entire assembly in a closed air space over water for 48 hours, the following results are observed.

reit Zinks te ar al- - Oalciumstearat - the leaf develops a

slight discoloration

üalciumnapn.tnenat - barium laurate- the PxaTite is not ver-bariura oleate -? Ca \ iriiuralaurac stains.

In the case of a comparable test under no circumstances according to the invention Salaes develops a strong brown discoloration.

The following further examples serve the application according to the invention to chlorinated products which do not contain sulfochlorinated spars: oil des oui -en: eispieis 1 sinj. _λ

009830/1 Δ 6 7 BAD

15M333

* Example 2 ^:. ■. j

It -is a liquid chlorinated PropylenifceiiramereSj this 40 wt. ^ Chlorine enthäUt as "line 10 # strength LÖBnng in a Bezutgemineralöl on a Beeny draft under d 'n <gleiolien Bedingim-fiii Hi" stated above, marked & fife :, Waue "was soisoül tdt eis amoh Dim » « a? fiaa »the appropriate ZusaiiZitfliitifcel« lie no ziieat & iipbteX sang discolored tie JPlaitte »» ilreBu die liÖieiüDg-en ,, ii «in the manner IGew,. $ ßalioiaamnaiplithenai;., JBearomaatimlaiiiralb included; äSiii Jk-eimerl-ei ¥ er.f; arbii! B / g lead »

P. '■' Example 5 ■ '■■ .._ ..

Unjer similar BeaingngeB fährib ei «3 © (Gew« ^ Ghlor! Enibhalibeiides chloriertss SperjniO. Aii a / small TTerfäxIbiong #er _v plate ,, while Ίφ äOalsiaaimnaphifchenat sunfl Baidamlaiarat th * de: zhal: zaidamlaiarats th * de: zhal: zaidamlaiarat ten

Example 4

A sulf oehloriearter Metiijlfeibitesitea · JCÄrt iöB ^ er ämm conditions zia a ¥ © rfärlbei3 ä «a: Plaifc * © !, Jeä © aßJla in the presence ψοη 1 $ ißaleiaiiinaipihitihenBt Jkeisne, Ipicir« iiöier? - «EffSaier? -« EffSaier?

BAOORIQiNAL

Claims (3)

Patent to sayings 1. Extreme pressure oil additive for lubricating oils and cutting fluids keiten, characterized in that the same from a liquid chlorinated or sulfochlorinated compound and an organic one Salt consists of a metal of group II of the periodic table, the salt in the chlorinated or sulfochlorinated Compound and soluble in the lubricating oil or cutting fluid "D" is. 2. Extreme pressure oil additive according to claim 1, characterized in that that the organic salt in an amount of 1 to 60 parts by weight per 100 parts by weight of chlorinated or sulfochlorinated Connection exists. 3. Extreme pressure oil additive according to claim 1 or 2, characterized characterized in that the organic salt is a faphthenic acid salt or a salt of an aliphatic carboxylic acid. 4o Ex & remdruck oil additive according to claim 1 or 2, characterized marked that the organic salt zinc stearate, calcium stearate, Is oalcium naphthenate, barium oleate, barium laurate or gadmium laurate. - f 5o extreme oil additive according to one of the preceding Claims, characterized in that it also contains a mineral oil fraction as in extreme pressure lubricants and rapid fluids are used, Patent attorney te 's 009830 / U67 BATH ORIGINAL