卷烟接装胶的吸收性及对粘合性能的影响

Effect of the Absorbency of Cigarette Tip Adhesive on Adhesion Properties

关键词:  接装胶  接装纸  粘合强度  初粘性  动态接触角  动态渗透性

Key Words:cigarette tip adhesive  tipping paper  adhesion strength  initial adhesion  dynamic contact angle  dynamic permeability

摘要:本研究在对比分析接装胶性能基础上，通过动态接触角法、动态渗透法、斜面滚球法和90°剥离强度实验法等，对接装胶在接装纸表面的吸收性、渗透性、初粘性和粘合强度进行了研究。结果表明，接装胶在接装纸非印刷面的接触角随时间的变化及动态渗透情况与水不同，高黏度接装胶在多孔性接装纸非印刷面的吸收速率低，高固含量接装胶的动态渗透特征参数t_max和t₉₅小。上胶开放时间对接装胶的初粘性和最终粘合强度均有影响，随着上胶开放时间延长，因接装纸表面对接装胶的吸收，初粘性呈现先上升后下降的趋势，即存在一个最大初粘性的开放时间窗口，低于该时间点封合，不会影响粘合强度，但高于该时间点封合，可能会发生粘合不良问题。

Abstract:The absorption， permeation property， initial adhesion and adhesion strength of the cigarette tip adhesives on the surface of the tipping paper were studied using dynamic contact angle method， dynamic permeability method， inclined rolling ball method and 90° peeling strength test method based on the comparative analysis of the performance of the cigarette tip adhesives. The results showed that the dynamic contact angle and dynamic permeability of the adhesives on the non-printed surface of the tipping paper varied greatly compared to water， while the absorption rate of the high viscosity adhesive on the porous non-printed surface of the tipping paper was low， and the dynamic permeability characteristic parameters t_max and t₉₅ of high solid content adhesive were relatively small. The opening time of the adhesive application had an impact on the initial adhesion and final adhesion strength. As the opening time of the adhesive application increased， the initial adhesion showed a trend of first increasing and then decreasing due to the absorption of the adhesive on the surface of the tipping paper. This meant that there was an opening time window for the maximum initial adhesion. Sealing below this time point would not affect the adhesive strength， but sealing above this time point might lead to poor adhesion.