| 摘要 |
PURPOSE:To make it possible to display high adsorbing characteristics even under the condition that adsorbent is solidified by resin by a method wherein the adsorbent having adsorptive action to injurious material and malodor is produced out of polytetrafluoroethylene resin formed body containing adsorbent powder, the particle diameter of which is specified. CONSTITUTION:As the adsorbent concerned, powder and granular active carbon, active carbon fiber or the like, various porous materials such as silica gel, alumina, magnesia, zeolite and the like and the above-mentioned materials surface-treated with acid or alkali are employed. The particle diameter of the adsorbent is prepared to be 0.5mm or less. By adding the a sorbent powder to PTFE resin (polytetrafluoroethylene resin) formed body, the desired adsorbent is obtained. Its manufacturing is performed by mixing the adsorbent with PTFE dispersions and co-coagulating them or by forming paste-like mixture prepared by mixing them in the presence of organic solvent such as naphtha or the like in the required shape. The formed body is turned into sheet, tube or the like in the fashion of stretched matter or sintered matter. |
