Citation: . SYNTHESIS AND CHARACTERIZATION OF A NEW POLYSILOXANE CONTAINING N,N’-BIS(DIPHENYLSILYL)TETRAPHENYLCYCLODISILAZANE[J]. Chinese Journal of Polymer Science, ;2000, 18(6): 551-555. shu

SYNTHESIS AND CHARACTERIZATION OF A NEW POLYSILOXANE CONTAINING N,N’-BIS(DIPHENYLSILYL)TETRAPHENYLCYCLODISILAZANE

Received Date: 13 March 2000

A new kind of polysiloxane containing N,N'-bis(diphenylsilyl)tetraphenylcyclodisilazane was prepared by anionicnon-equilibrium polymerization with a "seed solution" as initiator. The monomer, N,N'-bis(hydroxydiphenylsilyl)-tetraphenyl-cyclodisilazane (BHPTPC), was synthesized via the hydrolysis of N,N'-bis(chlorodiphenylsilyl)tetraphenyl-cyclodisilazane (BCPTPC). A new method for the preparation of BCPTPC is also reported here with high yield and simplermanipulation. The synthesized polysiloxane containing N,N'-bis(diphenylsilyl)tetraphenlycyclodisilazane was characterized by 1H-NMR,29Si-NMR,gel permeation chromatography(GPC)and intrinsic viscosity.
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