abstract |
The present invention is a recycled polyester fiber using a recycled polyester resin, bis-2-hydroxyethyl terephthalate (BHET) by mixing waste polyester and ethylene glycol (EG) in a depolymerization process And a regenerated polyester resin prepared by adding a sunscreen agent to the bis-2-hydroxyethyl terephthalate (BHET), a sunscreen regenerated polyester fiber prepared by spinning the prepared polyester resin, and It relates to a manufacturing method. |