| 摘要 |
PURPOSE:To make it possible to prolong the pot life of a resin composition, by adding specified additives to an ultraviolet-curable epoxy acrylate resin in specified order. CONSTITUTION:A resin composition is mixed in the following two steps. Step 1: addition of 0.02-0.5pt.wt. cobalt naphthenate and 0.1-5pts.wt. aminosilane coupling agent to 100pts.wt. base resin comprising an ultraviolet-curable epoxy acrylate resin. Step 2: addition of 0.1-3pts.wt. methyl ethyl ketone peroxide to the entire composition formed in step 1. This resin composition is one used for coating electrical circuit boards for constituting radio sets, television sets, etc.
|
