@article{oai:nagasaki-u.repo.nii.ac.jp:00001012,
 author = {Motokucho, Suguru and Furukawa, Mutsuhisa and Kawashima, Masahiro and Kojio, Ken and Yoshinaga, Kohji},
 issue = {11},
 journal = {Polymer Journal},
 month = {Apr},
 note = {ABA-type triblock copolymers (PEOxz-PTHF-PEOxz) composed of poly(tetrahydrofuran) (PTHF) and poly(2-ethyl-2-oxazoline) (PEOxz) were synthesized by cationic sequential polymerization. Differential scanning calorimetry and wide-angle X-ray diffraction analyses revealed that PEOxz-PTHF-PEOxzs produced a microphase separation structure, which consisted of a partially crystallized amorphous PTHF phase containing PEOxz chains on both ends. Tensile testing showed that PEOxz-PTHF-PEOxz exhibited tough mechanical properties that differed from those of the brittle PTHF homopolymer. Thus, it was suggested that the amorphous PTHF/PEOxz phase played a role in physically cross-linking the moieties via entanglement, resulting in a PEOxz-PTHF-PEOxz material with tough mechanical properties and the ability to be cold-drawn., Polymer Journal, 45(11), pp.1115-1119; 2013},
 pages = {1115--1119},
 title = {Physical properties of poly(tetrahydrofuran)-block-poly(2-ethyl-2-oxazoline) triblock copolymer},
 volume = {45},
 year = {2013}
}