毛毛虫形粗旦仿毛锦纶6纤维的生产工艺

对毛毛虫形粗旦仿毛锦纶6的生产工艺进行了研究分析,发现合理控制纺丝速度、纺丝温度、侧吹风、热辊温度和拉伸比等工艺参数,改进上油方式,可以生产出物性指标良好,并具有较好仿毛手感的粗旦仿毛锦纶6FDY。试验表明:纺速在4000~4300m/min,拉伸比1.1~1.3,热拉伸温度150~170℃,侧吹风速0.10~0.18m/s,下调上油位置,延缓上油时间,可以生产出外观好、染色均匀、性能指标好、仿毛手感好的粗旦仿毛锦纶6全拉伸丝。

The Production Process of Heavy Denier Wool-Like Polyamide 6 Fiber with the Caterpillar Cross Section Shape

The production process of heavy denier wool-like polyamide 6(PA6) fiber with the caterpillarcross section shape was analyzed. By controlling reasonably spinning speed,spinning temperature,quench-ing air,hot roller temperature,draw ratio and improving the oiling methods,a heavy denier wool-like PA6 fiber with good physical property parameters and the caterpillar cross section shape was produced. The testsshowed that when spinning speed was 4000~4300m/min,draw ratio was 1.1~1.3,hot roller temperaturewas 150~170℃,wind speed was 0.10~0.18m/s,the oiling position was moved down,the oiling time was de-layed,the heavy denier wool-like PA6 full draw yarn could be produced,it had good appearance,dyeing,good performance,wool-like handle and the caterpillar cross section shape.