对聚苯乙烯溶于松柏油所形成的粘结剂芯砂进行了实验研究 ,目的在于尝试寻找一种新型粘结材料 ,从而取代目前常用的、价格昂贵的、对环境污染严重的合脂芯砂 为此 ,在进行大量基础实验后采取了正交试验 ,从中找出最佳工艺参数和工艺方案 通过一系列实验 ,认为新型粘结剂性能良好 ,价格便宜 ,无污染 ,是一种比较理想的芯砂粘结材料 The experimental study on the binder sand made of polystyrene dissolved in pine and tar oil aims to find a new type of binder material to replace the commonly used expensive and environmentally polluting fat core To do this, a large number of basic experiments conducted after the orthogonal test to find the best process parameters and process through a series of experiments, that the new binder performance is good, cheap, non-polluting, is an ideal Of the core sand binder