Aim: To prepare novel aqueous polymer dispersions with high flexibility for sustained-releasecoating 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。
2
The polymer is mainly applied to the water soluble drug sustained releasecoating, 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。
3
In powder coating process, compressed air the energy release of the expansion can ascend and fluidization powder, the powder pump out in from hopper and through the hose transported to the gun.