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首页> 外文会议>Final program and proceedings of ISamp;T's 50th annual conference >A rheological method for measuring skin formation in a latex and application to a coating problem
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A rheological method for measuring skin formation in a latex and application to a coating problem

机译：一种流变学方法，用于测量乳胶中皮肤的形成并将其应用于涂层问题

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摘要

A latex dispersion containing plasticizer and diluted with water and alochol was applied by use of a direct flexgraphic process to a moving web. The application was accomplished by use of a rubber deposit roll and a chorme anilox cylinder with two stainless steel doctor plades, one trailing and the other everse angle. At moderate coating speeds, aggregates of latex particles were observed coming off the everse angle doctor blade, resulting in coating defects. Conventional rotational and oscillatory rheology, as well as surface tension, pH and other fluid characteristics, could not identify the source of the problem.
机译：通过使用直接柔性版印刷工艺将包含增塑剂并用水和芦荟酚稀释的胶乳分散体施加到移动的幅材上。该应用是通过使用橡胶沉积辊和带有两个不锈钢刮墨板，一个垂直拖尾和另一个垂直切角的chorme网纹辊来完成的。在中等涂布速度下，观察到乳胶颗粒的聚集体从直角刮刀上脱落，导致涂布缺陷。常规的旋转和振荡流变学以及表面张力，pH和其他流体特性无法确定问题的根源。

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