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2020-01-18 17:00:43 Xinda Biotechinology Read

His own times using cyclodextrin advantage is great, and for the times he cyclodextrin derivatives - hydroxypropyl-beta-cyclodextrin used is also the same, now hydroxypropyl times his use of cyclodextrins have more advantages of using, because now hydroxypropyl-beta-cyclodextrin used mainly against the basic stability of the use of specific hydroxypropyl-beta-cyclodextrin Some physical and chemical properties have what characteristic?
In fact, hydroxypropyl times he cyclodextrin production cost is very low, the basic hydroxypropyl times he cyclodextrin is produced in order to better achieve the desired effect it is now hydroxypropyl times cyclodextrin experiment utilization is very high, and chemical properties of chemicals can not be overlooked, in fact, hydroxypropyl times he cyclodextrin is the same, although the use of hydroxypropyl times he cyclodextrin has a very big advantage and very broad range, but we also pay attention to the cyclodextrin and propylene oxide in a strongly alkaline environment reaction is easy to generate six substituents, weakly alkaline conditions is easy to form two substituents. In strong alkaline conditions of the hydroxyl group is activated 236, the minimum 6 steric hindrance substituent easy access.

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