Patent ID: 7452960
Filing Date: 2008-11-18
Classification: C08G,C08L,C12P,G03G,Y10T

Abstract:
1. A polyhydroxyalkanoate copolymer comprising at least, per polymer molecule, one kind of unit selected from the group consisting of chemical formulae (1) and (2): (wherein R is any one selected from the group consisting of H, halogen, CN, NO (wherein R is any one selected from the group consisting of H, halogen, CN, NO and at least one unit selected from the group consisting of chemical formulae (3) to (6): (wherein m is an integer selected from the range shown in the same chemical formula; wherein Rz in chemical formula (3) is any one residue selected from the group consisting of chemical formulae (8), (9), (10), (12), (13), (14) and (15): (wherein R (wherein R (wherein R and when more than one unit exist, m and Rz of each unit can independently represent any one of the integers and the substituents described above, respectively) (wherein R (wherein n is an integer selected from the range shown in the same chemical formula, and when more than one unit exist, n of each unit can represent any one of the integers described above independently) (wherein n is an integer selected from the range shown in the same chemical formula; R