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首页> 外文期刊>Journal of Adhesion Science and Technology: The International Journal of Theoredtical and Basic Aspects of Adhesion Science and Its Applications in All Areas of Technology >Treatment with Ar-O-2 low-pressure plasma of vulcanized rubber sole containing noticeable amount of processing oils for improving adhesion to upper in shoe industry
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Treatment with Ar-O-2 low-pressure plasma of vulcanized rubber sole containing noticeable amount of processing oils for improving adhesion to upper in shoe industry

机译：用Ar-O-2低压等离子体处理硫化橡胶鞋底，其中包含大量加工油，以提高与制鞋业对鞋面的附着力

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摘要

Vulcanized rubber (L3 rubber) containing intentionally noticeable excess of processing oils in its formulation was treated with Argon-Oxygen (Ar-O-2) (2:1, vol/vol) low-pressure (LP) plasma for achieving a satisfactory level of adhesion to waterborne polyurethane adhesive. The effectiveness of the Ar-O-2 LP plasma treatment of L3 rubber depended on both the configuration of the plasma chamber shelves and the treatment time. Surface modifications were assessed by attenuated total reflectance-IR and X-ray photoelectron spectroscopy, contact angle measurements, and scanning electron microscopy. Ar-O-2 LP plasma treatment in direct configuration provided the most effective surface modification of the L3 rubber, and the increase in the treatment time improved the extent of the surface modifications. However, even important surface modifications were produced by Ar-O-2 LP plasma treatment, adhesion of treated L3 rubber was not improved due to the creation of weak boundary layer at the polyurethane-rubber interface after joint formation. Heating at 80 degrees C for 12h of the as-received L3 rubber prior to Ar-O-2 LP plasma treatment enhanced the extent of the surface modifications, and improved adhesion was obtained for Ar-O-2 LP plasma treatment times higher than 600 s.
机译：用氩氧（Ar-O-2）（2：1，vol / vol）低压（LP）等离子体处理配方中故意含有过量明显加工油的硫化橡胶（L3橡胶），以达到令人满意的水平与水性聚氨酯胶粘剂的粘合力。 L3橡胶的Ar-O-2 LP等离子处理的有效性取决于等离子室搁板的配置和处理时间。通过衰减的全反射红外光谱和X射线光电子能谱，接触角测量和扫描电子显微镜来评估表面改性。直接配置的Ar-O-2 LP等离子体处理提供了L3橡胶的最有效的表面改性，并且处理时间的增加改善了表面改性的程度。然而，即使通过Ar-O-2 LP等离子体处理也产生了重要的表面改性，但由于在接头形成后在聚氨酯-橡胶界面处形成了弱的边界层，因此处理后的L3橡胶的粘合性并未得到改善。在Ar-O-2 LP等离子处理之前在80摄氏度下加热12小时的原样L3橡胶，可以提高表面改性的程度，并且对于Ar-O-2 LP等离子处理时间大于600的情况，可以获得更好的附着力s。

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