Ring opening polymerization of cyclic silanes is described as a new synthetic route to well defined high molecular weight polysilylenes polysilanes strained cyclotetrasilanes with phenyl and methyl substituents at each si atom in the four membered ring are prepared by partial dephenylation of. A general feature of the cationic polymerization of all cyclodimethylsiloxanes is the formation of various cyclic products cyclics together with that of a linear high polymer however the types of cyclics as well as their rate of formation may vary considerably according to the number x of d units ch 3 2 sio units in the monomer. Ring opening polymerization of cyclotetrasilanes microstructure and mechanism a versatile route to linear polysilylenes ring opening polymerization of strained cyclotetrasilanes as a new . This paper reviews ring opening polymerization rop of cyclotetrasilanes the rop of cyclotetrasilanes is an interesting and versatile method to prepare both polysilylenes homo and copolymers
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