| 摘要 |
<p>PURPOSE:To obtain the title ink having excellent reproducibility of pattern in screen printing, excellent chemical resistance, readily soluble and eliminable, containing a modified resin of rosin, hydroxyalkyl (meth)acrylate and photopolymerization initiator in a specific ratio. CONSTITUTION:The aimed ink containing (A) 20-50pts.wt. modified resin of rosin obtained by reacting rosin with an acid and an alcohol and modifying, (B) 20-40pts.wt. compound shown by the formula, (C) 5-35pts.wt. hydroxyalkyl (meth)acrylate, (D) 5-35pts.wt. monomer (e.g., polycaprolactone monoacrylate) containing one ethylenic unsaturated group in the molecule, (E) 0.5-15pts.wt. photopolymerization initiator comprising benzoin ethyl ether, 2-hydroxy-2- methylpropiophenone, etc., and (F) 0.5-10pts.wt. aminated bentonite.</p> |
