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对湿固化聚氨酯热熔拼板胶的合成与配方设计进行了研究。通过考察异氰酸酯指数、萜烯树脂、碳酸钙等三个主要因素对湿固化聚氨酯热熔胶开放时间的影响规律,从而确定了各主要组分的最佳配比。
The synthesis and formula design of moisture-curing polyurethane hot-melt puzzle glue were studied. By examining the influence of the three main factors such as isocyanate index, terpene resin and calcium carbonate on the open time of moisture-curing polyurethane hot-melt adhesives, the optimal ratio of the main components was determined.