| 摘要 |
PURPOSE:To obtain a silicone grease composition having improved boundary lubricity, by compounding a specific organopolysiloxane, a specific dialkyl tetrachlorophthalate and a specific thickener at specific ratios. CONSTITUTION:The objective silicone grease composition can be produced by compounding (A) 100pts.(wt.) of a mixture of (i) 60-99pts. of an organopolysiloxane of formula I (R<1> is methyl or phenyl; m and n are positive numbers) containing 1-50mol% phenyl group and having a viscosity of 20-10,000CS at 25 deg.C and (ii) 1-40pts. of a dialkyl tetrachlorophthalate of formula II (R<2> is 4-8C alkyl) with (B) 5-60pts. of a thickener (e.g. aliphatic metallic soap, carbon black, etc). |
