一种鞋用聚氨酯胶的简捷合成方法

A Simple Synthetic Method of Polyurethane Adhesives for Shoes

近年来由于受成本因素的严重影响,目前市售的鞋用聚氨酯胶(PU胶)90%以上均为生产厂家自行合成,传统的溶剂型鞋用聚氨酯胶已几乎全部退出市场。介绍了一种鞋用聚氨酯胶的简捷生产工艺,具有生产流程简单、操作易于控制、能耗小、设备要求不复杂、符合新的国家环保标准、生产的产品成本低并且投资较小等优点。生产出的鞋用聚氨酯胶初黏力强、涂布性好、不曳丝、耐黄变、开放时间合理,具有较好的耐热性和储存稳定性。

Traditional polyurethane adhesives with solvent for shoes had almost dropped out of the market due to the serious impact of costs in recent years, more than 90% of PU adhesives for shoes that commercially available at present were synthesized by manufacturers themselves. A simple production technique for polyurethane adhesives for shoes was introduced, it had the following advantages： convenient production flow, easy to control, small energy consumption, equipment requirements is not complicated, meeting the new environmental national standards, low production costs and small investments. The production had the properties, such as strong initial adhesion, good applicability, anti-yellowing as well as opening time were reasonable, good resistance to high temperature and excellent stability.