Process for metalworking fluid from heavy alkylate
a technology of metalworking fluid and alkylate, which is applied in the direction of fuels, group 5/15 element organic compounds, manufacturing tools, etc., can solve the problems of rust formation on iron and steel surfaces, water alone cannot cool the metal surface with full ability,
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example-1
[0044] After removal of insoluble matter, the heavy alkyl benzene in 65 weight percent was mixed with heavy alkyl benzene sodium sulfonate in 10 weight percent and karanja oil 5 weight percent of metalworking fluid as component for lubricity. The mixture was homogenized at 30 to 100° C. for one hour with stirring to obtain clear solution. Then ligno sulfonate as coupling agent in concentration of 5 weight percent of the fluid, 2,6, ditertiary butyl 4 methyl phenol 100 ppm as antioxidant, cresylic acid 100 ppm as fungicide, dibenzyl disulfide 100 ppm as extreme pressure additive, 1H-benzotriazole 100 ppm as antirust additive and isobutanol 5 weight percent of the metalworking fluid as co-surfactant were added. The mixture was further homogenized for 30 minutes. Water was added to make-up quantity to 1 kg and further homogenized for 30 minutes. The pH of the solution was adjusted to 7-9 by adding sodium carbonate. The solution was cooled down to room temperature with stirring. The fin...
example-2
[0045] The procedure of Example 1 was repeated with alkylate 60 weight percent except that Dodecyl Toluene Sodium Sulfonate 15 weight percent was taken as emulsifier in place of Heavy Alkyl Benzene Sodium Sulfonate, neem oil as component for lubricity in place of Karanja oil, 2,6-dioctyl phenylene diamine as antioxidant in place of 2,6,-ditertiary butyl 4-methyl phenol, m-cresol as fungicide in place of cresylic acid, phosphothio pentadecyl phenol as extreme pressure additive in place of dibenzyl disulphide. The final composition (HA-I1) is given in Table-3 and evaluation in Table-4 & 5.
example-3
[0046] The procedure of Example 1 was repeated with alkylate 75 weight percent except that Sodium Oleate 10 weight percent was taken as emulsifier in place of Heavy Alkyl Benzene Sodium Sulfonate. The final composition (HA-II1) is given in Table-3 and evaluation in Table-4 & 5. It was found that the characteristics of the neat and emulsion are as per requirement.
TABLE 4TYPICAL CHARACTERISTICS OF SOLUBLE OILTotalReactableK. ViscosityAcid No-FlashSulfur atSNFormulation40° C. - Cstmg KOHAsh %ClarityPoint-° C.100° C.1HA-I23.3NIL0.009Clear210NIL2HA-II26.2NIL0.008Clear215NIL3HA-III24.5NIL0.006Clear213NIL
[0047]
TABLE 5TYPICAL EVALUATION OF SOLUBLE OILSaponificationCopperDepositEmulsionCastvalue -Low tempFrothingSNFormulationcorrosionteststabilityiron rustmg KOHStabilityTest1HA-INILPassPass4.8PassPass2HA-IINILPassPass4.5PassPass3HA-IIINILPassPass4.6PassPass
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