| abstract |
A polyhydroxyalkanoate, having the monomer unit composition represented by the general formula (1): A m B (1-m) (1) wherein: A represents the general formula (2), and B is at least selected from the general formula (3) or at least one of the group consisting of monomer units represented by the general formula (4), the value of m is 0.01 or greater or less than 1. In the formula, the value of n is 0 to 10, the value of k is 3 or 5, and R is at least one group selected from the group consisting of groups represented by general formulas (5) to (7): in formula ( 5), R1 is selected from a group consisting of hydrogen atom (H) halogen atom, CN, -NO 2 , -CF 3 , -C 2 F 5 , and -C 3 F 7 ; q is selected from Integer from 1 to 8; in formula (6), R2 is selected from the group consisting of hydrogen atom (H) halogen atom, CN, -NO 2 , -CF 3 , -C 2 F 5 , and -C 3 F 7 a group; r is an integer selected from 1 to 8; in formula (7), R3 is selected from hydrogen atom (H) halogen atom, CN, -NO 2 , -CF 3 , -C 2 F 5 , A group in the group consisting of -C 3 F 7 ; s is an integer selected from 1 to 8. Efficient methods of preparation are also disclosed. |