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Silicone Silicone Chemistry Chemistry ™ Dow Corning . . . We Help You Invent The Future. 1 CONTENT CONTENT CHEMISTRY OF SILICONES. SILICONE PHYSICO-CHEMICAL PROPERTIES NOMENCLATURE ™ Dow Corning . . . We Help You Invent The Future. 2 The Chemistry of silicones The Chemistry of silicones ™ Dow Corning . . . We Help You Invent The Future. 3 What are Silicones What are Silicones -Silicones are organic-inorganic polymers consist of -Silicones are organic-inorganic polymers consist of silicon, carbon, oxygen and hydrogen silicon, carbon, oxygen and hydrogen - Silicon The pure element Si, 28% of earth’s crust - Silicon The pure element Si, 28% of earth’s crust - Silica Sand , naturally occurring SiO2 - Silica Sand , naturally occurring SiO2 - Silicate Si O and other metals - Silicate Si O and other metals - Silicone A polymer - Silicone A polymer - Silicone exist as: linear or branched fluids, cyclics, - Silicone exist as: linear or branched fluids, cyclics, gums, resins, gums, resins, elastomers elastomers - There are 1000’s of different products, for 1000’s of - There are 1000’s of different products, for 1000’s of different applications different applications ™ Dow Corning . . . We Help You Invent The F