| 摘要 |
<p>PURPOSE:To provide a deodorizing filter having excellent deodorizing function and washability and without being dropped by an air current. CONSTITUTION:A deodorizing coploymer contg. >=30.000ppm of a vinyl carboxylate-copper salt coploymer as the copper ion based on the solid component is deposited by >=0.03wt.% on the filter. The copper salts of acrylic acid, methacrylic acid, itaconic acid, maleic acid, etc., are used for the vinyl carboxylate-copper salt copolymer.</p> |
