Composition for treating carbon fibre precursors

Details Composition for treating carbon fibre precursors Composition for treating carbon fibre precursors

C - Chemistry, Metallurgy

08

L

402/13, 8/93.15,

C08L 77/04 (2006.01) D01F 9/22 (2006.01) D06M 15/643 (2006.01)

Patent

CA 2037155

Abstract of the Disclosure A composition for treating acrylonitrile-based precursor fibres for the production of carbon fibres comprises a siloxane polymer characterised in that the siloxane polymer consists of 1 to 50 siloxane units of the general formula (a) Image , 0 to 50 siloxane units of the general formula (b) Image and 10 to 900 siloxane units of the general formula (c) Image wherein R is hydrogen or a C1-18 hydrocarbon group, A represents either certain amido groups containing organic groups or the reaction product of a silicon-bonded group -R'NH-R+ with one or more monoepoxides or lactones, B denotes a polyoxyalkylene group. Fibres produced by a method which includes the treatment with such compositions are superior in cosmetic appearance and strength.

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