简述了改性纸浆废液复合粘结剂及其用作铸造砂芯粘结剂时的性能。
The properties of modified pulp waste liquid complex binder and those of the binder used as cast cores are discussed briefly.
采用冷芯盒法制芯时，粘结剂中的溶剂含量对砂芯强度有较大影响。
In core making with cold core box, the solvent content in the binding material has a greater influence on the sand core strength.
以浮油沥青为原材料，经化工处理、稀释后成为改性浮油粘结剂。可以作为铸造用型、芯砂的粘结剂。
The raw material undergo chemical treatment and dilution for the modified tall oil pitch binding material to be obtained. and its dilute solution is used as a core binder for foundry use.
为减少砂芯在湿度较大环境中存放时的强度下降，可在混砂时加入抗湿剂或增加粘结剂中聚异氰酸酯的比例。
The decrease in strength of sand cores can be reduced by adding an anti-moisture agent or increasing proportion of polyisocyanate in the mixture when the cores is stored up …
为减少砂芯在湿度较大环境中存放时的强度下降，可在混砂时加入抗湿剂或增加粘结剂中聚异氰酸酯的比例。
The decrease in strength of sand cores can be reduced by adding an anti-moisture agent or increasing proportion of polyisocyanate in the mixture when the cores is stored up …
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