Discoloration-resistant and chlorine-resistant Spandex Fiber and Preparation Method thereof

摘要

The invention hydrotalcite and mono hindered hydroxyphenyl-based compound , symmetrically di-hindered hydroxy hydrazide -based compound and carbazole -based compound or semi- hindered amine compounds , including that of the chlorine resistance and discoloration resistance is improved spandex fibers and their preparation , because of the spandex fibers are excellent chlorine resistance according to the present invention , such as swimwear can be used more effectively in the sports and leisure clothing .