Process for molding capsules and capsules produced thereby

Details Process for molding capsules and capsules produced thereby Process for molding capsules and capsules produced thereby

A - Human Necessities

61

J

18/45

A61J 3/07 (2006.01) B29C 45/00 (2006.01) B29C 45/23 (2006.01) B29C 45/50 (2006.01) B29C 45/76 (2006.01) C08B 30/12 (2006.01)

Patent

CA 1198861

ABSTRACT OF THE DISCLOSURE A method of injection molding a hydrophilic polymer composition such as gelatin and an amount of water in the range of from 5 to 25% by weight of the composition to form a shaped article such as a capsule is disclosed. The method involves the steps of plasticizing and melting the composition at an elevated temperature, under pressure; injection molding the composition at an elevated temperature under pressure, in a cooled mould; and ejecting the article from the mould. The article is essentially amorphous, without crystalline segments.

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