| 摘要 |
PROBLEM TO BE SOLVED: To obtain a radiation-curable water dispersion type acrylic adhesive composition for re-peeling, having a characteristic of capable of being re-peeled by the irradiation of a radiation even if it is a water dispersion type, and before the irradiation of the radiation, capable of exhibiting excellent adhesiveness. SOLUTION: This radiation-curable water dispersion type acrylic adhesive composition for re-peeling contains (A) an acrylic emulsion-based polymer obtained by emulsion polymerization using (A1) a monomer component consisting mainly of a (meth)acrylic acid alkyl ester and (A2) a reactive emulsifying agent having a radically polymerizable functional group, and (B) a radiation-curable radically polymerizable polyfunctional monomer, and is characterized in that the ratio of (B) the radiation-curable radically polymerizable polyfunctional monomer is 20-200 pts. wt. based on 100 pts. wt. (A) the acrylic emulsion-based polymer. It is preferable to have 20-60 wt. % gel fraction after its heat treatment. COPYRIGHT: (C)2005,JPO&NCIPI |
