A sliding member which has low sliding resistance, can prevent the leakage of a liquid, has low dust emission properties and low leachability, and can be manufactured in a simple manner; and a method for manufacturing the sliding member. The sliding member includes an elastic molded body which is coated with a coating layer composition containing an amino-modified silicone compound having a silanol group and/or an alkoxysilyl group and also having an amino-containing group in a side chain. The method for manufacturing the sliding member includes the steps of: preparing the coating layer composition containing the amino-modified silicone compound having the silanol group and/or the alkoxysilyl group and also having the amino-containing group in a side chain; applying the coating layer composition to the elastic molded body; and coating the elastic molded body with the coating layer composition.

A silicone composition having an electromagnetic wave absorbing property and thermal conductivity includes liquid silicone; a high-specific-gravity soft magnetic filler having a specific gravity of 4.5 or greater; an intermediate-specific-gravity thermally conductive filler having a specific gravity of 4.0 or less; and a non-liquid anti-thickening and anti-settling agent. Furthermore, a curable grease is a two-component curable grease including a combination of a base compound and a curing agent that are used by being mixed together when used, the curable grease being to be cured by mixing of the base compound with the curing agent. The base compound is a silicone composition of the present invention, in which the liquid silicone is an organopolysiloxane having a vinyl group at an end thereof. The curing agent is a silicone composition of the present invention, in which the liquid silicone is an organohydrogenpolysiloxane.

Disclosed is a lubricating engine oil composition comprising a lubricating oil base stock as a major component, and at least one metal or metalloid hydrogen atom donor compound. Also disclosed is a method for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine, and the use of at least one metal or metalloid hydrogen atom donor compound in a lubricating engine oil composition for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine.

The present invention relates to a mixture of polyalkylsiloxanes that cure at temperatures of about 170 C. while being unreactive under ambient conditions during storage or transport and which are obtained through a hydrosilylation reaction wherein a mixture of ethylenically unsaturated olefins consisting of 1-100% of one or more polyene(s), and 0-99 mol % of monounsaturated olefins with 6 to 15 carbon atoms is reacted with an amount of one or more polyalkylhydrosiloxanes in the presence of a hydrosilylation catalyst. Furthermore, the present invention relates to water-based compositions suitable for use in metal casting processes as a mold release agent comprising a mixture of polyalkylsiloxanes of the invention and a non-ionic surfactant. In addition, the present invention relates to the use of the polyalkylsiloxanes and mixtures of polyalkylsiloxanes as defined herein.

A silicone composition having an electromagnetic wave absorbing property and thermal conductivity includes liquid silicone; a high-specific-gravity soft magnetic filler having a specific gravity of 4.5 or greater; an intermediate-specific-gravity thermally conductive filler having a specific gravity of 4.0 or less; and a non-liquid anti-thickening and anti-settling agent. Furthermore, a curable grease is a two-component curable grease including a combination of a base compound and a curing agent that are used by being mixed together when used, the curable grease being to be cured by mixing of the base compound with the curing agent. The base compound is a silicone composition of the present invention, in which the liquid silicone is an organopolysiloxane having a vinyl group at an end thereof. The curing agent is a silicone composition of the present invention, in which the liquid silicone is an organohydrogenpolysiloxane.

The present invention relates to a mixture of polyalkylsiloxanes obtainable through a hydrosilylation reaction wherein a mixture of monounsaturated olefins is reacted with an amount of one or more polyalkylhydrosiloxanes in the presence of a hydrosilylation catalyst. Furthermore, the invention concerns polyalkylsiloxane comprising alkyl side chains consisting of linear or branched alkyl groups with 40 to 60 carbon atoms, with 16 to 30 carbon atoms, and 6 to 15 carbon atoms. In addition, the present invention relates to water-based compositions suitable for use in metal casting processes as a mold release agent comprising a mixture of polyalkylsiloxanes, a non-ionic surfactant having a HLB value of at least 8, and less than 20 wt.-% of waxes. In addition, the present invention relates to the use of the polyalkylsiloxanes and mixtures of polyalkylsiloxanes.

The present invention relates to a mixture of polyalkylsiloxanes that cure at temperatures of about 170 C. while being unreactive under ambient conditions during storage or transport and which are obtained through a hydrosilylation reaction wherein a mixture of ethylenically unsaturated olefins consisting of 1-100% of one or more polyene(s), and 0-99 mol % of monounsaturated olefins with 6 to 15 carbon atoms is reacted with an amount of one or more polyalkylhydrosiloxanes in the presence of a hydrosilylation catalyst. Furthermore, the present invention relates to water-based compositions suitable for use in metal casting processes as a mold release agent comprising a mixture of polyalkylsiloxanes of the invention and a non-ionic surfactant. In addition, the present invention relates to the use of the polyalkylsiloxanes and mixtures of polyalkylsiloxanes as defined herein.

The present invention relates to a mixture of polyalkylsiloxanes obtainable through a hydrosilylation reaction wherein a mixture of monounsaturated olefins is reacted with an amount of one or more polyalkylhydrosiloxanes in the presence of a hydrosilylation catalyst. Furthermore, the invention concerns polyalkylsiloxane comprising alkyl side chains consisting of linear or branched alkyl groups with 40 to 60 carbon atoms, with 16 to 30 carbon atoms, and 6 to 15 carbon atoms. In addition, the present invention relates to water-based compositions suitable for use in metal casting processes as a mold release agent comprising a mixture of polyalkylsiloxanes, a non-ionic surfactant having a HLB value of at least 8, and less than 20 wt.-% of waxes. In addition, the present invention relates to the use of the polyalkylsiloxanes and mixtures of polyalkylsiloxanes.