Method for making cyclic poly(siloxane)s

C - Chemistry – Metallurgy – 08 – G

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C08G 77/38 (2006.01) C08G 77/04 (2006.01) C08G 77/10 (2006.01) C08G 77/12 (2006.01)

Patent

CA 1333733

A method is provided for making cyclic poly(siloxane) by incrementally contacting linear polysiloxane with a fixed bed cracking catalyst, such as an acidic Zeolite under reduced pressure. The resulting volatile cyclic poly(siloxane) is then recovered.

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