| 摘要 |
<p>Natural fibers whose surfaces have been plated with titanium oxide. Scoured wool is immersed in a solution of acetic anhydride (10 weight %) in DMF (90 weight %). The solution containing the wool is heated to 50 DEG C and kept at this temperature for 30 minutes to make the wool anionic. This wool is washed in water and then immersed in a 2.0 % owf aqueous solution of at least either of a titanium alkoxide and titanium fluoride at ordinary temperature for 30 minutes. Subsequently, a 0.5/l/l (by weight) mixture of boric acid, cirtric acid, and D, L-malic acid is added to the aqueous solution in an amount of 0.5 owf. The wool is thus treated at 50 DEG C for 30 minutes and then washed in water. Thus, natural fibers whose surfaces have been plated with titanium oxide can be obtained.</p> |
