Poly(cyclosiloxane) composition and synthesis

Details Poly(cyclosiloxane) composition and synthesis Poly(cyclosiloxane) composition and synthesis

2006-07-04

2006-07-04

Moore, Margaret G. (Department: 1712)

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

Synthetic resins

From silicon reactant having at least one...

C528S031000, C528S037000

Reexamination Certificate

active

07071277

ABSTRACT:
A poly(cyclosiloxane) is synthesized by oxidation with water in the presence of a Pt catalyst, followed immediately by polycondensation of the Si—OH groups to form Si—O—Si linkages. Thus, pentamethylcyclopentasiloxane can be polymerized into poly(pentamethycyclopentasiloxane).

REFERENCES:
patent: 5298589 (1994-03-01), Buese et al.

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