| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photocurable drip-proofing material used for forming a coating film to cover flux residues of a soldering part, which is a drip-proofing material suitable for controlling cracks in the flux residues while ensuring photo-curability. <P>SOLUTION: The photocurable drip-proofing material used for forming a coating film to cover flux residues of a soldering part comprises each component of: (A) hydrogenated polybutadiene acrylate; (B) polyisocyanate having three or more isocyanate groups in one molecule; (C) a reaction solvent; and (D) a photopolymerization initiator. <P>COPYRIGHT: (C)2012,JPO&INPIT |
