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Explain the types of silicones....

Explain the types of silicones.

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(i) Linear silicones: They are obtained by the hydrolysis and subsequent condensation of dailkyl or diaryl silicon chlorides.
(a) Silicone rubbers: These silicones are bridged together by methylene or similar groups.
(b) Silicone resins: They are obtained by blending silicones with organic resins such as acrylic esters.
(ii) Cyclic silicones: These are obtained by the hydrolysis of `R_(2)SiCl_(2)`
(iii) Cross linked silicones: They are obtained by hydroysis of `RSiCl_(3)`
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