| abstract |
(57) [Summary] [PROBLEMS] For the purpose of killing insects, disinfecting, repelling insects, etc., it has an excellent effective transpiration rate, can stably evaporate drugs from the initial stage of use for a long period of time, is easy to use, and has a product form. To provide a chemical evaporant that is compact and easy to design. SOLUTION: A vapor pressure at 20 ° C. is applied to a drug holding material obtained by processing a fibrous material composed of synthetic fibers and / or natural fibers to a density of 0.05 to 1.0 g / cm 3 and a thickness of 0.02 to 1 mm. Holds a drug of 1 × 10 −6 to 1 × 10 −3 mmHg, and the amount of transpiration per unit space volume is 0.01 to There is provided a drug vaporizer characterized by being prepared at 0.5 mg / hr / m 3 . As the form of the holding member, any of a two-dimensional structure such as a sheet shape and a three-dimensional structure such as a three-dimensional structure formed of cell walls such as a honeycomb shape, a lattice shape, and a mesh shape is possible. |