| 摘要 |
PROBLEM TO BE SOLVED: To provide an acrylic polymer which exhibits higher heat resistance than those of conventional polymers and is suitable as a resist material or an insulating material for forming circuits, a material for optical disks, or a material for displays, and to provide a (meth)acrylic acid derivative which can effectively be used for producing the acrylic polymer. SOLUTION: The (meth)acrylic acid derivative has a three-dimensional structure represented by formula (2) [H(a) is an axial hydrogen; H(e) is an equatorial hydrogen; R is hydrogen or CH<SB>3</SB>], and a (meth)acrylic polymer is also provided. COPYRIGHT: (C)2007,JPO&INPIT
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