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Medical use of polymers -

use of polymers in tablet coatings

Due to their versatility, polymers have developed a very huge potential for application in the medical field.  From surgical sutures to monitoring systems used in medical applications are made from polymers of various grades.

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The use of polymers in tablet coatings has a very good demand in pharmaceutical coatings.  Earlier sugar, gelatin and other natural products were used for tablet coatings.  But due to tedious and highly skilled manpower requirement, need for simple but more efficient coating for tablets is needed.

Film coating has overcome most of the disadvantages of previous techniques and also adds to aesthetics of the tablet.  Controlled drug release is possible due to use of polymers and with the use of water soluble polymers.  Tablet coating has thus become easy and environment friendly.  This paper will discuss briefly the older and recent techniques of tablet coatings and give the details of various polymers and coating raw material for tablet coating and requirement of more efficient system in the near future.

(Abstract From: Popular Plastics & Packaging – December 2002)


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