Continuous polyester filaments and method of making the same, the filaments being solely suitable for making carpets, wherein said filaments are mainly composed of polyethylene terephthalate resin and at least 20% of said resin is obtained from regenerated products; wherein said continuous filaments possess a curled effect generated by means of a stuffing box; wherein the curls density is between 3 and 15 units per 25 mm; and wherein said continuous polyester filaments are bulky.
                            连续聚酯长丝及其制造方法,这种长丝仅适用于制造地毯,其中所述长丝主要由聚
对苯二甲酸乙二醇酯
树脂组成,至少 20% 的所述
树脂来自再生产品;所述连续长丝具有通过填料函产生的卷曲效果;卷曲密度介于每 25 毫米 3 至 15 个单位之间;所述连续聚酯长丝是膨松的。