Macroscopic and microscopic shape memory effects of block copolymers prepared via ATRP,Journal of Polymer Science Part A: Polymer Chemistry

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Macroscopic and microscopic shape memory effects of block copolymers prepared via ATRP
Journal of Polymer Science Part A: Polymer Chemistry Pub Date : 2019-07-01 , DOI: 10.1002/pola.29435
Qihua Wang ₁ , Liming Tao ₁ , Zenghui Yang ₁ , Wojciech Raj ₂ , Yaoming Zhang ₁ , Tingmei Wang ₁ , Joanna Pietrasik ₂

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Series of block copolymers (BCPs) were synthesized and characterized. The linear BCPs showed low shape recovery ratio due to the lack of sufficient phase separation and chain entanglement. On the contrary, a crosslinked BCP that was synthesized by incorporation of bifunctional polymer, C‐BCP, demonstrated excellent shape memory effect both on the macroscopic and microscopic scales.