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process for producing a cast extruded film and cast extruded film
process for producing a cast extruded film and cast extruded film
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机译:制备流延挤出膜的方法和流延挤出膜
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摘要
A melt-extruded film is produced by a process which comprises the steps of blending a) a water-soluble polymer, b) an active ingredient, and c) optional additives and subjecting the blend to melt-extrusion to produce an extruded melt and drawing the extruded melt at a draw-down ratio of from 1.5 to 20 to a film of a thickness of at least 0.04 mm.
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