Kollidon® SR - Description

Kollidon ® SR is a polyvinyl acetate and povidone based matrix retarding agent. It is particularly suitable for manufacturing of pH-independent sustained-release matrix tablets by direct compression or hot melt extrusion. Polyvinyl acetate is a very plastic material that produces a coherent matrix even under low compression forces and the water soluble povidone is leached out to form pores through which the active ingredient slowly diffuses outwards. Kollidon ® SR contains no ionic groups and is therefore inert to drug substances.

Kollidon ® SR has also found success as a polymeric film former in sprayable topical formulations as well as transdermal applications.

Kollidon® SR

More information about Kollidon® SR

  • pH independent non-erodible matrix formation
  • Wash resistant sprayable polymeric film former

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