To release acetic acid by a controlled method when a occlusive dressing for wounds having a cellulose ester base and partial solvent is exposed to a body temp. and moisture by forming the base of this bandage of a knit fabric and have the acetic acid released by the hydrolysis of the cellulose ester base at a specific temp.
The base of the divesting for wounds having the cellulose ester base and the partial solvent is formed of the knit fabric and the acetic acid is released by the hydrolysis of the cellulose ester at 98.6±5°F with the controlled method. The partial solvent is selected from a group consisting of glycerol triacetate, trimethylne glycol diacetate, glycol acetate monoethylene and their combination. Further, the partial solvent is formed of the glycerol triacetate. The bandage is so formed as to release the acetic acid exceeding 1000 microgram/day and the cellulose ester is formed of the cellulose acetate having a degree of substitution of about 2.5/anhydroplucose unit.
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DEUTSCH LANCE J
GARRETT PAUL M
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