改變撥水劑濃度與壓吸條件對針軋聚酯不織布撥水性之研究

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题名:	改變撥水劑濃度與壓吸條件對針軋聚酯不織布撥水性之研究 Needle-punched PET Nonwoven Fabric Treated by Water-repellent Agent with Varied Solid Contents and Pressure
作者:	翁郁婷林永浩邢文灝
贡献者:	紡工系
关键词:	不織布撥水加工含浸壓吸 non-woven fabric water repellent impregnation & pressure suction
日期:	2015-03
上传时间:	2017-06-26 10:45:44 (UTC+8)
摘要:	人的腳部具有豐富的汗腺，在長時間的包覆下，容易造成腳部感到潮濕、悶熱、不舒服，故若鞋內織物具有良好的透氣與疏水的效果，使鞋內的濕氣可被導出鞋體外，以及鞋外液態水不被吸收，可以達到腳部舒適的效果。本實驗以聚酯針軋不織布作為基材，採用碳氟系列之撥水劑，改變壓吸壓力與含浸液固成分，評估基材上藥後的疏水性能及觸感差異，以期能找到合適的加工條件，提供業界做為參考依據。本實驗使用1 、2、3、4 kg/cm^2 的壓吸壓力及2、3、4、5、6%的含浸液固成分，壓吸壓力降低，或固成分增加都會使得上劑率增加。基材上藥後表面與水滴接觸角介於110~120゜之間，撥水效應評級介於2.5 與3.5 級之間，上藥後的織物沒有虹吸現象，可見撥水劑確實使織物具有疏水效應。雖然織物上藥後的透氣性有明顯增加，但是上劑率增加，透氣的效果卻沒有顯著差異，反而導致織物硬挺，造成手感變差。由評估結果得知，撥水劑確實會增加織物的疏水性及透氣性，但上藥的比例則不會影響其疏水性及透氣性。因此2.82%低上劑率即可達到疏水及透氣的效果，且可兼顧織物的手感，並可節省成本，是加工較佳的條件。 Moisture disposal and thermal behavior in shoes were important factors in making comfortable shoes. The comfort aspects of shoes were largely determined by the water vapor permeability and water vapor transport of construction materials. In this research, the polyester needle-punched fabric were finished by fluorine containing water-repellent agents. The optimum pressure and solid contents of finishing processes were explored, and the performance of finished fabric were evaluated by detected the effectiveness of water repellency and comforts of handling. The pressure and solid contents of finishing processes were between 1 and 4 kg/m^2 and between 2 and 6%, respectively. The take up rate of agent was increased with increasing pressure and solid contents. The contact angles were constantly between 100 and 120゜. The water repellence of fabric was measured by spray test. The rating results of spray test were between 2.5 and 3.5. The wicking height of finished fabric was 0 cm. Therefore, the agent was able to improve water resistance of fabrics. The permeability of fabric to air was increased by finishing agent. However, there was no significant effect among different take up rate. High take up rate inevitably resulted high bending repulsion and rigidity of fabric. Consequently, the effects of water repellence and permeability of fabrics were similar between low and high take up rate of agent, therefore, low take up (2.82%) rate was a better option because of low cost and comfort handle.
關聯:	華岡紡織期刊； 22卷1期 (2015 / 03 / 01) ， P1 - 9
显示于类别:	[紡織工程學系] 學報-華岡紡織期刊

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