abstract |
THE PRESENT INVENTION RELATES TO AUXILIARY PRODUCTS CONTAINING EXTREME PRESSURE ADDITIVES FOR INDUSTRIAL METAL MACHINING. THE COMPOSITION ACCORDING TO THE INVENTION CONTAINS 2 TO 8 OF MATERIAL BASED ON ORGANIC POLYSULPHIDES OF FORMULA: (RI-VAR) (S) IN WHICH: R, R ... R REPRESENT A HYDROGEN ATOM OR A CARBON REMAINDER OF CAC ; AR REPRESENTS AN AROMATIC HYDROCARBON REMAINDER; B 0 A 5, C 2 A 10, D 1 A 9, X 1 A 6. APPLICATION TO REFRIGERANT LIQUIDS LUBRICANTS. |