涤纶短纤维上油量对其纺纱性能的影响  

Effect of oil content of polyester staple fiber on its spinning performance

作　　者：陈海燕 CHEN Haiyan(SINOPEC Yizheng Chemical Fiber Co.,Ltd.,Yizheng 211900)

机构地区：[1]中国石化仪征化纤有限责任公司,江苏仪征211900

出　　处：《合成纤维工业》2024年第2期53-57,共5页China Synthetic Fiber Industry

摘　　要：采用单丝线密度为4.5 dtex的前纺涤纶原丝试制后纺油剂上油量为70%~100%的1.33 dtex×38 mm涤纶短纤维,然后以短纤维进行纺纱试验,研究后纺油剂上油量对短纤维基本性能及纺纱性能的影响。结果表明:当上油量为80%~90%,短纤维的力学性能及摩擦性能较好,强度、伸长的衰减率较低,当上油量大于90%,短纤维的强度、伸长衰减明显;上油量为80%~90%的短纤维纺纱性能较好,纺制的细纱质量较好;上油量为90%的短纤维纺制的细纱断裂强度达3.60 cN/dtex,条干不匀率为12.13%,毛羽指数为1.26,纺纱过程中产生的白粉量为0.0105 g/km。A 1.33 dtex×38 mm polyester staple fiber with oil content of 70%-100%was trial-produced by using fore-spun polyester precursor with a monofilament linear density of 4.5 dtex,and then the spinning test of the staple fiber was carried out.The effect of oil content on the basic properties and spinning performance of the staple fiber was studied during post-spinning process.The results showed that the staple fiber had fairly good mechanical and friction properties when the oil content was 80%-90%,and the attenuation rate of the strength and elongation was relatively low at the oil content of 80%-90%,but was high at the oil content above 90%;the spinning performance of staple fiber with oil content of 80%-90%was good,and the yarn could be produced with high quality;and the yarn with the oil content of 90%had the breaking strength of 3.60 cN/dtex,the unevenness of 12.13%,the hairiness index of 1.26 and the amount of white powder of 0.0105 g/km in the spinning process.

关 键 词：聚对苯二甲酸乙二酯纤维 短纤维 上油量 纺纱性能 

分 类 号：TQ342.21[化学工程—化纤工业]