珠海市金浓霖化工科技有限公司

羟丙基微纳米混合胶囊

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理化性状:白色味甘粉末,易溶于水、乙醇和丙二醇,溶解度>50% ,pH 7.0。熔点275℃,分子量1737.8,比旋度141.420,粒径分布在10-60μm之间,微观形貌为带小孔圆球状,略具吸湿性,全部成分为低聚葡萄糖。


功能作用:高容量固、液芯材包合胶囊,可包裹加合有机、无机、极性、非极性、固相、液相材料。使不溶于水或醇类的物质溶于水和乙醇、丙二醇,可制备全闭合干相粉末或颗粒产品及稳定透明的液相制品。闭合则循热裂解释放,加合则常温缓慢释放。


应用方法:一、制备粉末颗粒。使用静电吸附后用大功率红外灯照射10分钟即可封口。对于热敏性芯材制备粉末颗粒时,先将胶囊溶于水或乙醇,然后加入芯材采用乳化机高速乳化1 h,中速1 h,再低速30分钟,最后用冷冻喷雾干燥机干燥成粉,颗粒大小通过调节上料阀和进气量控制,也可用低温氮气喷雾干燥。二、制备液相产品。 先将芯材用剪切机细化10分钟,再加入以水或醇为溶剂的胶囊溶液中用出料粒径大于80μm的乳化机作先高速,再中速,最后低速各1 h即可。

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