Patent ID: 7112706

Claim:
A dimer diol derivative represented by the following chemical formula 19, (wherein: R is the following chemical formula 6 or the following chemical formula 7, X is a hydrogen atom, the following chemical formula 20, or the following chemical formula 21, and Y is a hydrogen atom, the following chemical formula 20, or the following chemical formula 21, (except for a case where both X and Y are hydrogen atoms)), (wherein R 2 and R 3 are alkyl groups and R 4 and R 5 are alkene groups; and the total number of carbon atoms of R 2 , R 3 , R 4 , R 5 is 14 to 42), (wherein a, b, c, and d are each integers such that 16≦a+b+c+d≦44); (wherein R 1 is an aliphatic hydrocarbon group having 3 to 22 carbon atoms, Z is the following chemical formula 22 and/or the following chemical formula 23, and n is an integer less than or equal to 38 including zero), (wherein R 1 is an aliphatic hydrocarbon group having 3 to 22 carbon atoms, Z is the following chemical formula 22 and/or the following chemical formula 23, and n is an integer less than or equal to 38 including zero), (wherein R 1 is an aliphatic hydrocarbon group having 3 to 22 carbon atoms), (wherein R 1 is an aliphatic hydrocarbon group having 3 to 22 carbon atoms).