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牙膏生产工艺-间歇制膏工艺

2019-05-01

    间歇制膏是我国“合成洗涤型牙膏”冷法制膏工艺中普遍采用或曾经采用过的老式工艺,它有两种制造方法:一种是预发胶水法;一种是直接拌料法。

    预发胶水法是先将胶黏剂等均匀分散于润湿剂中,另将水溶性助剂等溶解于水中,在搅拌下将胶液加至水溶液中膨胀成胶水静置备用;然后将摩擦剂等粉料及香料等依次投人胶水中,充分拌匀,再经研磨均质,真空脱气成型。

    直接拌料法是将配方中各种组分(如甘油、CMC、水及助剂、摩擦剂、洗涤剂和香料)依次投人拌膏机中,靠强力搅拌和捏和成膏,再经研磨均质,真空脱气成型。

    间歇制膏工艺主要特点是投资少,而它的不足之处是工艺卫生难于达标,故已被真空制膏工艺取代而逐步淘汰。


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