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中間體,醫藥原料,添加劑

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首頁 > 供應產品 > 羥丙基纖維素
羥丙基纖維素
單價 面議對比
詢價 暫無
發貨 湖北武漢市付款后3天內
過期 長期有效
更新 2019-04-03 16:42
 
詳細信息
羥丙基纖維素
 性 狀: 白色或類白色粉末;無臭無味。在水中膨脹但不溶解,在甲醇、乙醇、**及***中不溶。
  途:本品系低取代羥丙基纖維素醚,是一種多用途的非離子型纖維素衍生物,主要用作固體制劑崩解和粘合劑,由于它的粉末有較大的表面積和孔隙率,故能快速吸水膨脹,用于片劑時,使片劑快速崩解,同時它的粗糙結構與藥物和顆粒之間有較大的鑲嵌,可明顯提高片劑硬度,同時不影響崩解,從而加速藥物的溶出度,提高生物利用度。本品用量一般為2-5%左右,在片劑生產中可用于濕法制粒中內加,也可外加或內外同時加效果更佳。
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