pan coating
(五)锅包衣法(pan coating) 系利用包衣锅将囊材溶液喷在固态囊心物上挥干溶剂形成微囊,导入包衣锅的热气流可加速溶剂挥发。本法设备简单,工艺切实可行。
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方法粉末直接压片法制备含渗透活性物质的片芯,滚转包衣锅法分别包溶胀层和控释衣层。
Methods Core tablets containing osmotic active agent were prepared by direct compression and spray coated with swelling layer and semipermeable membrane subsequently.
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