Process for modifying polyamide dyeability using co-fed...

Details Process for modifying polyamide dyeability using co-fed... Process for modifying polyamide dyeability using co-fed...

D - Textiles, Paper

01

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18/619

D01D 5/08 (2006.01) D01F 1/06 (2006.01) D01F 6/60 (2006.01) D01F 6/90 (2006.01)

Patent

CA 2039266

A process for modifying the dyeability of polyamide polymers is disclosed, the process involving the addition of co-fed polyamide flake of the same type of polyamide as the base polyamide with the co-fed flake having a significant effect on the final dyeability. the additive flake comprises high- or low-amine-end polyamide flake which is mixed and melted with the base polyamide to adjust the total number of amine ends in the polymer, thereby controlling the polymer dyeability.

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