| abstract |
(57) [Summary] [Purpose] A syrup composition having excellent coatability, proper pot life and curing time, and excellent rupture properties at low and high temperatures, elongation at break, and elastic modulus. Obtaining waterproof materials and joint materials. [Structure] 25 to 75% by weight of methyl methacrylate, 10 to 40% by weight of monomer whose homopolymer Tg is 0 ° C. or lower, 50% by weight or less of urethane poly (meth) acrylate, and 2 or more crosslinkable polymerizable groups in one molecule. 20% by weight or less of a monomer having a melting point of 40 to 80 ° C. paraffin wax 0.1 to A syrup composition consisting of 5% by weight. |