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首页> 外文会议>Beltwide Cotton Conference >LUBRICANTS FOR IMPROVED GINNING AND SPINNING OF COTTON. A FRESH APPROACH TO FIBRE LENGTH PRESERVATION IN COTTON PROCESSING
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LUBRICANTS FOR IMPROVED GINNING AND SPINNING OF COTTON. A FRESH APPROACH TO FIBRE LENGTH PRESERVATION IN COTTON PROCESSING

机译：润滑剂改善棉花和棉花纺纱。棉花加工中纤维长度保存的新方法

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Feasibility trials conducted showed that the addition of lubricant helped preserve fibre length during lint cleaning. In laboratory trials three different lubricants (A, B and C) preserved fibre length in a fibre breakage assay based on a 'Shirley'Analyser. Measured fibre-to-metal co-efficient of friction values for each lubricant were significantly different with Lubricant B having the lowest fibre-to-metal friction values. It was on this basis and the extent to which fibre length was preserved in laboratory trials that Lubricant B was initially chosen for industrial trials in a gin. However, results from the industrial trials did not fit the laboratory model and Lubricant B produced a decrease in staple length and an increase in short fibre content when added in a commercial gin. A subsequent trial using Lubricant A, a lubricant that had a higher fibre-to-metal co-efficient of friction, resulted in improved staple length and reduced short fibre content on treated cotton. The reason for the difference between the two lubricants is thought to be due to a reaction, facilitated by the heat of the gin, between the emulsifiers present in Lubricant B with the protective cotton wax layer that surrounds each fibre. That Lubricant A was more successfulraises questions about the complexity of the interactions between variables in the industrial situation and generates plenty of scope for further research. Lubricants were also added to cotton at the mill. Treated and untreated fibre from the gin trialswas converted to fine count medium twist yarn. The effects of lubricant on fibre breakage during mill cleaning and carding, and on spinning performance and yarn quality were observed. The effect of lubricant in the mill on the particular cotton used inthis trial was minimal although the addition of Lubricant A helped preserve fibre length during cleaning. The better length characteristics were generally reflected as better yarn properties, although yarn tenacity in treated samples was reduced.
机译：进行的可行性试验表明，润滑剂的添加有助于在棉绒清洁期间保持纤维长度。在实验室试验，基于“Shirley'Analyser”，在实验室试验三种不同的润滑剂（A，B和C）保存的纤维长度。测量每个润滑剂的摩擦金属的摩擦值与具有最低纤维 - 金属摩擦值的润滑剂B显着不同。在此基础上，在实验室试验中保留了纤维长度的程度，润滑剂B最初选择用于杜松子酒的工业试验。然而，工业试验的结果不符合实验室模型，润滑剂B在商业杜松子酒中添加时短长度和短纤维含量的增加。随后使用润滑剂A的试验，润滑剂具有更高的纤维 - 金属的摩擦效率，导致纤维长度改善，并且处理过的棉花上的短纤维含量降低。认为两个润滑剂之间的差异的原因被认为是由于杜松子酒的热量促进的反应，在润滑剂B中存在的乳化剂与围绕每个纤维的保护棉蜡层之间。这种润滑剂A更加成熟关于工业状况中变量与变量之间相互作用的复杂性的问题，并为进一步研究产生了大量的范围。润滑剂还加入轧机的棉花。从GIN Trialswas转化为微量计数介质捻纱的处理和未处理的纤维。润滑剂对磨机清洗和梳理期间纤维破裂的影响，以及纺纱性能和纱线质量。润滑剂在轧机上对特定棉花的效果使用的是最小的，尽管在清洁期间添加润滑剂有助于保持纤维长度。虽然经处理的样品中的纱线韧度降低了较好的长度特性通常被反映为更好的纱线性能。

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