Method for manufacturing polyester composite yarn having excellent heat-blocking and melange effect

摘要

The present invention relates to a method for producing a polyester composite yarn for blinds having excellent heat blocking performance and melange expression property, and the method for producing a polyester composite yarn according to the present invention is 1.5 to 97 to 98.5% by weight of polyester resin. Mixing 3% by weight of antimony tin oxide, mixing 0.1 to 1% by weight of antimony tin oxide with 99 to 99.9% by weight of cationic dyed polyester resin, antimony tin oxide-added polyester resin and cationic salting The polyester resin is put into a spinneret heated to 290 ~ 310 ℃ and mixed spinning polyester yarn and cationic dyed polyester yarn. It includes the steps of manufacturing and braiding the mixed yarn by air entangling.