| abstract |
(57) [Summary] [Purpose] Concerning wound dressing, flexibility, adhesiveness, sustained release, The purpose of the present invention is to provide a coating material having excellent biocompatibility and to heal skin damaged by burns or wounds. [Structure] A lactic acid polymer or lactic acid-glycolic acid copolymer (A) having a number average molecular weight of 500 to 5,000, and a number average molecular weight of 500 to A wound in which the mixing ratio of 5,000 lactic acid or glycolic acid and the copolymer (B) of δ-valerolactone or ε-caprolactone is 4/1 to 1/4 as (A) / (B) by weight. Coating agent. |