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Silicone physical structure

Nov 15, 2016

(1)Adequate methyl groups on Si atoms shield the high-energy polysiloxane backbone;

(2) C-H non-polarity, so that the interaction between molecules is very weak;

(3)Si-O bond length is longer, Si-O-Si bond bond angle.

(4) The Si-O bond is a covalent bond with a 50% ionic bond (the covalent bond has a directionality and the ion bond has no directionality).