Colored polyester fiber and processing method thereof

The invention relates to a colored polyester fiber and a processing method thereof, and is characterized in that the colored polyester fiber comprises the following raw material components in percentage by weight: 20-30% of PETG master batch, 1-5% of color master batch, 1-3% of plasticizer and the balance of PET particles, the PETG is totally named as polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol ester, and the plasticizers such as phthalate, aliphatic dibasic acid ester and color master batch are added according to actual needs. The colored polyester fiber provided by the invention has better comprehensive performance. 本发明涉及一种有色涤纶纤维及其加工方法，其特征在于，其原料组份百分比为：PETG母粒为20％～30％，色母粒为1％～5％，增塑剂为1％～3％，PET粒子为余量；PETG全称为聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯，增塑剂如邻苯二甲酸酯、脂肪族二元酸酯，色母粒，根据实际需要进行加入。本申请的有色涤纶纤维具有较佳的综合性能。