| 摘要 |
<p>A grease composition is composed of a silicone fluid and a thickening amount of a poly (metal phosphinate) selected from the group of polymers having the following formulas: (FORMULA) wherein M is trivalent chromium or iron, M" is tetravalent titanium, zirconium or hafnium, X is oxygen or sulfur, R is alkyl or aryl, R" is alkyl, R,, is aryl, a and b are each zero, 1 or 2 and the sum of a and b is 2, c is zero, 1 or 2, d is equal to 3-c, and x ranges from zero to 7.9. </p> |
