| http://www.w3.org/ns/prov#value | - The hydrosilylation catalyst includes a simple substance of platinum; solid platinum as carried by a carrier such as alumina, silica, carbon black or the like; chloroplatinic acid; complexes of chloroplatinic acid with alcohols, aldehydes, ketones, etc.; platinum-olefin complexes (e.g., Pt(CH2 ???CH2)2 (PPh3)2, Pt(CH2 ???CH2)2 Cl2), platinum-vinylsiloxane complexes (e.g., Ptn (ViMe2 SiOSiMe2 Vi)n,
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