A fluorine-atom-containing polymerizable unsaturated-monomer of the present invention is represented by the following formula (1a) or (1b):
wherein each of a ring Z
1
and a ring Z
2
is an alicyclic carbon ring; when the alicyclic carbon ring is multi-cyclic, a part of atoms constituting the ring may be substituted by an oxygen atom, a sulfur atom or a nitrogen atom; an atom constituting the ring Z
1
and the ring Z
2
may have a substituent; each of R
1
, R
2
and R
3
is an alkyl group or a fluoroalkyl group; R is an specific unsaturated acyl group; provided that at least one of R
1
and R
2
is a fluorine atom or a fluoroalkyl group in the formula (1a), and in the formula (1b) (i) the ring Z
2
is bonded by a fluorine atom or a fluoroalkyl group, or (ii) R
3
is a fluoroalkyl group.
本发明的含
氟原子可聚合不饱和单体由下式(1a)或(1b)表示:
其中每个环 Z
1
和环 Z
2
为脂环碳环;当脂环碳环为多环时,构成环的部分原子可被氧原子、
硫原子或氮原子取代;构成环 Z
1
和环 Z
2
中的每个 R
1
, R
2
和 R
3
是烷基或氟烷基; R 是特定的不饱和酰基;条件是 R
1
和 R
2
在式(1a)中至少有一个是
氟原子或氟烷基,在式(1b)中 (i) 环 Z
2
由
氟原子或氟烷基键合,或 (ii) R
3
是氟烷基。