New modified silicone oil for low temperature cure die casting lubricants
The present invention relates to a mixture of polyalkylsiloxanes that cure at comparably low temperatures of about 170 DEG C while being unreactive under ambient conditions during storage or transport and which are obtainable through a hydrosilylation reaction wherein a mixture of ethylenically unsa...
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| creator | KOK, DOUWE-MARTEN SLAGT, MARTIJN QUICO ODINK, GERRIT JAN BRAAM, JOHANNES HENDRIKUS GERHARDUS F |
| description | The present invention relates to a mixture of polyalkylsiloxanes that cure at comparably low temperatures of about 170 DEG C while being unreactive under ambient conditions during storage or transport and which are obtainable through a hydrosilylation reaction wherein a mixture of ethylenically unsaturated olefins consisting of 1-100% of one or more polyene(s) having one terminal double bond which is either monosubstituted or geminal disubstituted and one or more tri- or tetrasubstituted double bond(s), wherein said terminal double bond and said one or more tri- or tetrasubstituted double bond(s) are preferably non-conjugated, 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-i |
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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-i</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FOUNDRY MOULDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS POWDER METALLURGY THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING |
| title | New modified silicone oil for low temperature cure die casting lubricants |
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