In this study, branched polymers with different copolymerization composition ratios of α-chloro-ε-caprolactone (α-ClCL) and ε-caprolactone (ε-CL) were prepared using α-ClCL and trimethylolpropane as the initiator. Furthermore, acryloyl groups were introduced at each chain ends of branched polymer to form macromonomers capable of cross-linking reactions. Films obtained by photo-crosslinking macromonomers with chloro groups showed shape-memory properties. In addition, the chloro group introduced by α-ClCL was converted into an azide group. This film is expected to be applied to various functional surfaces through the click reaction in the future.
- Takumi Yoshida
- Toru Hoshi
- Takao Aoyagi