| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aqueous undercoater composition for repair, used for the undercoat of repairing the outer wall, etc., of a building having coated film exhibiting various functions such as a low fouling property, a high weatherability or the like. <P>SOLUTION: This aqueous undercoater composition for repair, comprising (A) an anionic or a cationic resin emulsion. (B) a silane coupling agent containing a glycidyl group and (C) a silane coupling agent containing an amino group includes 20 to 65 pts.mass of (B) the silane coupling agent containing the glycidyl group based on 100 pts.mass of resin solid part of (A) the anionic or cationic resin emulsion, 2 to 15 pts.mass of (C) the silane coupling agent containing the amino group based on the 100 pts.mass of resin solid part of (A) the anionic or cationic resin emulsion, and 22 to 70 pts.mass of the total amount of (B) the silane coupling agent containing the glycidyl group and (C) the silane coupling agent containing the amino group based on 100 pts.mass of resin solid part of (A) the anionic or cationic resin emulsion. <P>COPYRIGHT: (C)2013,JPO&INPIT |
