Investigation of stain-resistant cationic dyeable nylon 6 modified with sodium salt of 5-sulfoisophthalic acid and polyethylene glycol
| Autor: | Yifan Fu, Li-Kun Xiong, Shou-Yun Zhang, Cui-Yu Yin |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Thermogravimetric analysis
Materials science Polymers and Plastics General Chemical Engineering technology industry and agriculture Cationic polymerization Chemical modification 02 engineering and technology General Chemistry Polyethylene glycol 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences chemistry.chemical_compound Nylon 6 chemistry Polyamide Polymer chemistry Fourier transform infrared spectroscopy 0210 nano-technology Acid dye Nuclear chemistry |
| Zdroj: | Fibers and Polymers. 17:984-991 |
| ISSN: | 1875-0052 1229-9197 |
| Popis: | Nylon 6 can be dyed with acid dyes and therefore it can also be stained by natural or artificial acid dyes existing in some foods and drinks when they are spilled on nylon fabrics. In this study, cationic dyeable polyamide (CD-PA6) was synthesized with sodium salt from 5-sulfoisophthalic acid (5-SSIPA) and easily cationic dyeable polyamide (ECD-PA6) was prepared with 5-SSIAP and polyethylene glycol (PEG). The influence of the chemical modification to CD-PA6 and ECD-PA6 on the resultant structures were characterized by wide angle X-ray diffraction (WAXD) and Fourier transform infrared spectroscopy (FT-IR), and their thermal properties were tested by differential scanning calorimetry (DSC) and thermogravimetric analysis (TG). The effects of varying 5-SSIPA content on the cationic dye uptake and acid dye resistance rate were also investigated, as well as mechanical properties of the modified PA6. Incorporating PEG not only destroyed the regularity of molecular chain arrangement and created more amorphous regions in the ECD-PA6 samples, but also changed the nylon 6 from α-form to γ-form. Results revealed a considerable improvement in cationic dye uptake and acid dye resistance rate in the modified fibers compared with unmodified fibers. |
| Databáze: | OpenAIRE |
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