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羟丙基纤维素醚 (HPC)
羟丙基纤维素醚(HPC)是纤维素经碱化、醚化、中和及洗涤等工艺过程得到的一种非离子型羟烷基纤维素醚。分为低取代羟丙基纤维素醚和高取代羟丙基纤维素醚。低取代羟丙基纤维素醚主要用作片剂崩解剂和粘合剂;高取代羟丙基纤维素醚主要用作制药粘结剂、薄膜包衣材料、酏剂的增稠剂等。
Physical and chemical index
Project
Specification
外观
白色或类白色粉末
羟丙氧基含量/%
≤10.0/≥55.0
细度/%
80目筛余物≤8.0
干燥失重率/%
≤5.0
灰分/%
≤0.5
粘度/mpa·s
50.0-1000.0
PH值
5.0-9.0
透光率/%
≥80
Product Overview
羟丙基纤维素醚可溶于40℃以下的水和大量极性溶剂中,而在较高温度(>40℃)的水中不溶解,且溶解性与摩尔取代度(MS)有关,MS越高,可溶解HPC的水温要越低;HPC具有较高的表面活性;HPC同样还是热塑性材料,在100℃以上可通过模压和挤压成型得到制品;HPC浓溶液可形成液晶;与其他纤维素醚相比, HPC有较低的平衡湿含量。 备注:我们可以根据你的需求提供特殊规格的产品
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Contact Details
Tel:
0575-82778588
Tel:
0575-82771584
Address:No. 5, Yuzhou Road, Lihai Street, Yuecheng District, Shaoxing City, Zhejiang Province
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