COATING AGENT FOR PHARMACEUTICAL SOLID PREPARATION, PHARMACEUTICAL FILM FORMULATION, AND COATED PHARMACEUTICAL SOLID PREPARATION.

摘要

The purpose of the present invention is to provide a coating agent which imparts superior gas barrier properties, equivalent to those of a PTP sheet, to an unpacked pharmaceutical solid preparation without affecting the disintegration properties of the pharmaceutical solid preparation. The coating agent of the present invention comprises polyethylene glycol having an average molecular weight of 950 to 25,000, and swelling clay, and the mass ratio of polyethylene glycol and swelling clay is 2:8 to 6:4.