Petroleum oxidate and calcium derivatives thereof

Details Petroleum oxidate and calcium derivatives thereof Petroleum oxidate and calcium derivatives thereof

C - Chemistry, Metallurgy

11

D

134/56

C11D 9/00 (2006.01) C07C 51/41 (2006.01) C09K 15/00 (2006.01) C10L 1/10 (2006.01)

Patent

CA 1062986

ABSTRACT OF DISCLOSURE A petroleum oxidate of gel resistant properties characterized by a Neut. No. between about 40 and 50, a Sap. No. between about 85 and 105, a specific gravity between about 0.99 and 1.03, a viscosity (SUS at 210°F.) of between about 1200 and 2500 and a melting point of between about 85 and 115°F.; a calcium soap thereof having a calcium content of between about 1.2 and 1.9 wt. ? and a melting point between about 155 and 230°F of gel resistant properties under cutback conditions: said oxidate, calcium soap and cut- back thereof respectively prepared by contacting a deasphalted naphthene base residual oil having a molecular weight of between about 300 and 900, a saturate content between about 40 and 60 wt. ?, an aromatic content between about 60 and 40 wt. ?, a methylene to methyl group mole ratio of between about 1:1 and 2.5:1, and an SUS viscosity (210°F) of between about 150 and 170, with air at an air rate of between about 5 and 40 SCPH/lb. residual oil charge in the presence of between about 0.2 and 2 lbs. metaliferous oxidation catalyst per pound charge oil under a pressure of between about 0 and 500 atmospheres at a temperature between about 250 and 400°F. for a period of normally between about 1 and 5 hours to form said petroleum oxidate which is then further reacted with calcium hydroxide in a hydroxide amount of between about 100 and 125 wt. ? of stoichiometric at a temperature of between about 275 and 357°F. and cutting back the formed calcium soap with inert petroleum hydrocarbon solvent to form a cutback calcium oxidate soap composition containing between 0.1 and 90 wt. ? of said oxidate soap of corrosion inhibiting and anti gel properties. - I -

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