The present invention relates to a radiation curable coating composition comprising (A) a compound according to P-(D-(meth)acrylate)
n
having a number average molecular weight (Mn) of at least 500 kg/kmol, wherein n=240, P=oligomeric or polymeric backbone, and D comprises an urethane group and an heterocyclic group, said heterocyclic group having a Boltzmann average dipole moment of at least 2.5 Debye, and (B) a reactive diluent. The heteorocylic group is preferably an oxazolidone group. The invention further relates to a method for making a resin composition comprising a compound comprising an oxazolidone group and an (meth)acrylate group, said method comprising a reaction step introducing the (meth)acrylate group into the compound, wherein said reaction step is carried out in the presence of an antioxidant.
本发明涉及一种可辐射固化的涂料组合物,该组合物包含 (A) 根据 P-(D-(甲基)
丙烯酸酯)
n
的化合物,其平均分子量 (Mn) 至少为 500 kg/kmol,其中 n=240,P=低聚物或聚合物骨架,D 包括一个
氨基甲酸酯基团和一个杂环基团,所述杂环基团的玻尔兹曼平均偶极矩至少为 2.5 Debye,以及 (B) 一种活性稀释剂。杂环基团最好是
噁唑烷酮基团。本发明还涉及一种制造
树脂组合物的方法,该
树脂组合物包含由
噁唑烷酮基团和(甲基)
丙烯酸酯基团组成的化合物,所述方法包括将(甲基)
丙烯酸酯基团引入化合物的反应步骤,其中所述反应步骤在
抗氧化剂存在下进行。