| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a foamed plastic protective sheet which has a high antistatic effect even when only a small amount of an antistatic agent has been added thereto, with which adhesion of stains to a board used for precision electronic equipment etc. due to bleed-out scarcely takes place, and further with which also a foreign substance adhered to the surface of the board is easily removed only by washing by water or by wiping with a cloth including water. <P>SOLUTION: The foamed plastic protective sheet is a sheet-like member which is produced by extrusion molding of a thermoplastic plastic material, and is made to have closed cells at least inside thereof by adding a foaming agent to the plastic material, and for which a technical means is adopted, including addition of a polymeric antistatic agent and an ion liquid or a gemini-structured surfactant to the plastic material. <P>COPYRIGHT: (C)2012,JPO&INPIT |
