Characteristics of dyed polyester yarn

Characteristics of dyed polyester yarn   1. Definition and characteristics of dyed polyester yarn Dyed polyester yarn is a polyester yarn that has been dyed and has excellent dyeing performance and stability. Polyester yarn is a synthetic fiber woven from polyester chemical fiber. It has excellent wear resistance, strength and durability and is a material commonly used in textile production. During the production process of dyed polyester yarn, dyes and auxiliaries are added to give it good dyeing performance and color stability.   2. Production method of dyed polyester yarn The production method of dyed polyester yarn is mainly divided into the following steps: ①Fiber pretreatment: The polyester yarn is pretreated by washing and bleaching to remove dirt and impurities on its surface. ②Dyeing treatment: Dyes and auxiliaries are added to the surface of the fiber, and it is dyed under high temperature and high pressure to give it excellent dyeing performance and color stabili…