PROBLEM TO BE SOLVED: To provide a base for cataplasm that has excellent extensibility and shape retention as well as moisture retention and skin adhesion.;SOLUTION: This base for cataplasm is made of a thermally crosslinked carboxymethylcellulose sodium salt (for example, it is prepared by crosslinking carboxy-methylcellulose sodium salt with heat at 80-200°C for 20-180 minutes.;COPYRIGHT: (C)2000,JPO
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