Minimum energy process for preparing block copolymers of...

Details Minimum energy process for preparing block copolymers of... Minimum energy process for preparing block copolymers of...

C - Chemistry, Metallurgy

08

G

400/2016

C08G 81/00 (2006.01) C08G 69/00 (2006.01)

Patent

CA 1090032

Process for preparing block copolymer involves dry blending salt of a prepolyamlde, e.g. a 30203-6 salt, and particules of melt-spinnable polyamide. Blend is heated to a temperature in the range of between from the melting point of higher melting component to below amide-interchange temper- sture of a blend of the melt-spinnable polyamide and the homopolymer which would result from the polymer- iration of the salt. Heating and mixing are continued until substantially all of the salt and the polyamide are converted into a block copolymer. The latter can be used to make fibers.

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