检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:郭淑杰[1]
机构地区:[1]吉林师范大学分院化学系,吉林四平136000
出 处:《应用化工》2016年第11期2204-2206,共3页Applied Chemical Industry
基 金:全国教育科学"十五"规划研究课题(FHB040043-JLSDFY-001)
摘 要:利用聚乙烯醇(PVA)良好的气体阻隔性,将其均匀涂布于珍珠明目滴眼液内包材表面,延缓冰片的挥发,控制其有效含量。通过正交实验法考察涂布液浓度、涂布次数和干燥方式的影响,经过加速稳定性4个月实验后,采用气相色谱法测定药液冰片含量。结果表明,最佳涂布工艺为:30%的PVA溶液重复涂布3次后冷冻至完全干燥。加速稳定性4个月后,外观与澄明度良好,冰片含量>0.20 mg/m L,符合国家标准规定,且无新的杂质出现。To delay volatilization of borneol and control its effective content , inner packaging material of Zhenzhumingmu Eye-drop coated with polyvinyl alcohol which have excellent gas barrier properties .Or-thogonal test method was used to study the effect of coating liquid contents , coating times and drying types.The content of borneol was determined by GC through accelerated stability test after four months . Result showed that the optimum conditions were as follows:30%polyvinyl alcohol was repeatedly coated three times ,completelyfroze drying subsequently .Appearance ,transparency and borneol content of coated Eye-drop were more than 0.20 mg/mL,meet the demand of national standard ,and none new impurities appeared through accelerated stability test after four months .
分 类 号:TQ325.9[化学工程—合成树脂塑料工业]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:3.147.140.129