Abstract
Poly(N,N‐dialkylaminoethylacrylate) (PDA), which contains a basic group, was prepared as a material to blend with poly(acrylonitrile) (PAN). Using the wet spinning method, an acid dyeable PAN/PDA blend fiber was fabricated. It was found that the dye up‐take of the blend fiber is increased remarkably, reaching up to 93%. Based on IR, x‐ray diffraction, DSC characterization, and mechanical measurements, it was shown that the crystallinity and glass transition temperature (Tg) are changed for the blend fiber, that it has acceptable mechanical properties and can be spun.
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