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单词 polysiloxane
释义

polysiloxane


polysiloxane

(ˌpɒlɪsɪˈlɒkseɪn) n (Chemistry) chem a polymer composed of silicon and oxygen atoms

polysiloxane


polysiloxane

[¦päl·i·si′läk‚sān] (organic chemistry) (R2SiO)n A polymer in which the chain contains alternate silicon and oxygen atoms; in the formula, R can be H or an alkyl or aryl group; commercially, the R is usually CH3(the methylsiloxanes); properties vary with molecular weight, from oils to greases to rubbers to plastics.
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