A process for producing polycarbonate powder readily by ejecting a mixture of a solution of polycarbonate in an organic solvent with steam through a mixing nozzle, wherein a lowness of the bulk density of the powder, which has been a shortcoming of the conventional processes using a mixing nozzle, can be remedied without causing any increase in the amount of a residual solvent by using a 3-45 wt.% solution of polycarbonate in an organic solvent and adjusting the ratio of the weight (Ws) of the steam to the weight (Wo) of the organic solvent in the solution to 1/10 to 1/5.
一种通过混合喷嘴喷射聚
碳酸酯在有机溶剂中的溶液与蒸汽的混合物,从而轻松生产聚
碳酸酯粉末的工艺,其中,粉末体积密度低一直是使用混合喷嘴的传统工艺的缺点,通过使用重量百分比为 3-45% 的聚
碳酸酯在有机溶剂中的溶液,并将蒸汽重量(Ws)与溶液中有机溶剂重量(Wo)之比调整为 1/10 至 1/5,可在不增加残留溶剂量的情况下解决这一问题。%的聚
碳酸酯溶液,并将溶液中蒸汽重量(Ws)与有机溶剂重量(Wo)之比调整为 1/10 至 1/5。