Process for producing polysilanes

Details Process for producing polysilanes Process for producing polysilanes

1992-12-30

1994-04-19

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 17, 528 18, 528 31, C08G 7706

Patent

active

053046226

ABSTRACT:
Polysilanes are produced from hydrosilanes using as a catalyst a mixture of a specific metallocene compound and a specific silyl compound or a mixture of the specific metallocene compound and a specific metallic hydride.
This invention can efficiently provide a polymer having a higher degree of polymerization than in case of using a known catalyst.

REFERENCES:
patent: 5153295 (1992-10-01), Whitmarsh et al.
patent: 5204380 (1993-04-01), Seyferth et al.
Woo et al., "Dehydrogenative Polymerization of Silanes to Polysilanes by Zirconocene and Hafnocene Catalysts. A New Polymerization Mechanism", J. Am. Chem. Soc., vol. 111, pp. 8043-8044 (1989).
Corey et al., "Condensation of Primary Silanes in the Presence of Cp.sub.2 MCl.sub.2 /.sup.n BuLi(M=Ti,Zr,Hf)", Journal of Organometallic Chemistry, vol. 439, pp. 1-17 (1992).
Woo et al., "Dehydropolymerization of Bis- and Tris(sily)arenes to Highly Cross-linked Disilanylenearylene Polymers, Catalyzed by [(.eta..sup.5 -C.sub.5 H.sub.5)(.eta..sup.5 --C.sub.5 Me.sub.5) ZrH.sub.2 ].sub.2 ", Macromolecules, vol. 24, No. 26, pp. 6863-6866, (Dec. 1991).

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