聚氨酯碾米胶辊脱芯问题的探讨

Discussion on the Roll Core Breakaway Problem of Polyurethane Roller for Rice Mill

从胶粘剂的作用、铁芯处理、模具准备、预聚体合成及浇注工艺、脱模成型等方面 ,对用于碾米辊的聚氨酯胶辊的成型过程的注意事项进行了探讨 。

s: The caution items to prevent polyurethane rubber get away from roll core are discussed. The topics include the function of the adhesive (primer), the treating of iron core, the preparation of mould, the synthesis of the prepolymer, the pouring process and demouding, etc. The corresponding modified methods to the production of the polyurethane roller for rice mill is suggested.