| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water treatment agent with does not contain an environment contamination substance such as a heavy metal and phosphorous, and has an excellent corrosion suppression effect and scale suppression effect of metal in a water system, and a water treatment method. <P>SOLUTION: The water treatment agent is characterized by containing, as an effective component, one kind or more of polymers polymerized in an aqueous solvent which is selected from: (A) a maleic polymer polymerized in an aromatic solvent whose light absorption coefficient at 190 nm is 0.09 to 0.2(dm<SP POS="POST">3</SP>/mg.cm); and (B) an itaconic polymer, a maleic polymer, and a copolymer of an intaconic acid and a maleic acid, and also characterized by simultaneously using the (A) component and the (B) component. <P>COPYRIGHT: (C)2012,JPO&INPIT |
