PROBLEM TO BE SOLVED: To provide: a (meth)acrylate-based polymerizable monomer which allows compatibility with various materials to be easily secured and provides a small value of (polymerization shrinkage rate)/(hardness of a cured product) and a material using the same.SOLUTION: The present invention provides a polymerizable monomer represented by general formula (1), a composition using the same, a curable composition and a resin member. [X is a divalent group Y and Z are (meth)acroyloxy-L-OCHR1- (R1 is H or a C1-6 alkyl group as a monovalent group and L is a hydrocarbon group whose main chain has 2-50 carbon atoms) Ar1 and Ar2 are aromatic groups o and p are integers selected from the range from 1 to 3 and m and n are each 0 or 1. Here, if m=0, then Y and Ar2 are directly coupled and if n=0, then Ar1 and Ar2 are directly coupled.]COPYRIGHT: (C)2016,JPO&INPIT【課題】種々の材料との相溶性の確保が容易かつ(重合収縮率/硬化物の硬度)が小さい(メタ)アクリレート系重合性単量体及びこれを用いた材料を提供すること。【解決手段】一般式(1)で示される重合性単量体並びにこれを用いた組成物、硬化性組成物および樹脂部材。〔Xは2価の基;Y及びZは(メタ)アクロイルオキシ-L-OCHR1-(R1はH又はC1~6のアルキル基1価の基、Lは主鎖の炭素数2~50の炭化水素基である)、Ar1及びAr2は芳香族基、o及びpは1~3の範囲から選択される整数、m及びnは、各々0又は1;ここで、mが0の場合は、YとAr2とが直に結合し、nが0の場合はAr1とAr2とが直に結合する〕【選択図】なし
