Patent ID: 6995195

Claim:
A vinyl compound of the formula (1), wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 may be the same or different and are a hydrogen atom, a halogen atom, an alkyl group, a halogenated alkyl group or a phenyl group, —(O—X—O)— is represented by the formula (2) or the formula (3) in which R 8 , R 9 , R 10 , R 14 , R 15 , R 16 , R 17 , R 22 and R 23 may be the same or different and are a halogen atom, an alkyl group having 1 to 6 carbon atoms or a phenyl group, R 11 , R 12 , R 13 , R 18 , R 19 , R 20 and R 21 may be the same or different and are a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms or a phenyl group, and A is a cyclic hydrocarbon which has 6 to 20 carbon atoms and which may have a substituent, —(Y—O)— is an arrangement of one kind of structure defined by the formula (4) or a random arrangement of at least two kinds of structures defined by the formula (4) in which R 24 and R 25 may be the same or different and are a halogen atom, an alkyl group having 1 to 6 carbon atoms or a phenyl group, and R 26 and R 27 may be the same or different and are a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms or a phenyl group, Z is an organic group which has at least one carbon atom and which may contain an oxygen atom, a nitrogen atom, a sulfur atom or a halogen atom, each of a and b is an integer of 0 to 300, provided that at least either a or b is not 0, and each of c and d is an integer of 0 or 1.