Aim: To prepare novel aqueous polymer dispersions with high flexibility for sustained-release coating and investigate their properties.

目的：制备新型高延展性聚合物水分散体，用于延展性缓释包衣，并对其理化性质和缓释包衣性能进行研究。

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The polymer is mainly applied to the water soluble drug sustained release coating, and can reach a satisfied sustained release effect by adding a few insoluble components or pore-forming agents.

本发明的聚合物主要应用于水溶性药物缓释包衣，添加少许不溶性成份或致孔剂即可达到满意的缓释效果。

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RESULTS Hydroxypropyl cellulose is extensively used in tablets, capsules, mucous membrane adhesion preparation, sustained or controlled release preparation, and film coating, etc.

结果羟丙基纤维素在片剂、 胶囊剂、黏膜黏附制剂、缓控释制剂等多种制剂以及薄膜包衣方面均有良好应用。

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The difference that prescription-only Diclegis would offer: Combining both ingredients with a delayed-release coating designed to help women take a daily dose before their nausea sets in.

NPR: FDA Approves Return Of Drug For Morning Sickness