Siloxane

（重定向自Cyclomethicone）

Decamethylcyclopentasiloxane, or D5, a cyclic siloxane.

A siloxane is a functional group in organosilicon chemistry with the Si–O–Si linkage. The parent siloxanes include the oligomeric and polymeric hydrides with the formulae H(OSiH₂)_nOH and (OSiH₂)_n. Siloxanes also include branched compounds, the defining feature of which is that each pair of silicon centres is separated by one oxygen atom. The siloxane functional group forms the backbone of silicones, the premier example of which is polydimethylsiloxane. The functional group (RO)₃Si is called siloxy.

单词	Cyclomethicone
释义	Cyclomethicone 英语百科 Siloxane （重定向自Cyclomethicone） A siloxane is a functional group in organosilicon chemistry with the Si–O–Si linkage. The parent siloxanes include the oligomeric and polymeric hydrides with the formulae H(OSiH₂)_nOH and (OSiH₂)_n. Siloxanes also include branched compounds, the defining feature of which is that each pair of silicon centres is separated by one oxygen atom. The siloxane functional group forms the backbone of silicones, the premier example of which is polydimethylsiloxane. The functional group (RO)₃Si is called siloxy.
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