Designing self-crosslinkable ternary blends using epoxidized natural rubber (ENR)/poly(ethylene-co-acrylic acid)(EAA)/poly(ε-caprolactone) (PCL) demonstrating triple-shape memory behavior
- Title
- Designing self-crosslinkable ternary blends using epoxidized natural rubber (ENR)/poly(ethylene-co-acrylic acid)(EAA)/poly(ε-caprolactone) (PCL) demonstrating triple-shape memory behavior
- Author
- 장영욱
- Keywords
- Shape memory polymers (SMPs); Triple-SM effect; Ternary blends; Self-crosslinkable; Covalently crosslinked network; Thermomechanical properties
- Issue Date
- 2021-06
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Citation
- EUROPEAN POLYMER JOURNAL, v. 152, Article no. 110488, 9pp
- Abstract
- The aim of this work is developing a facile and versatile route for preparing chemically crosslinked triple-shape memory polymers (SMPs). Hence, epoxidized natural rubber(ENR)/poly(ethylene-co-acrylic acid)(EAA)/poly(ε-caprolactone) (PCL) ternary blends were fabricated using the facile melt-mixing method. Interestingly, it was observed that the resultant ternary blends could self-crosslink during molding at high temperature without need for any crosslinking agents. Differential scanning calorimeter (DSC) and dynamic mechanical analyzer (DMA) analyses revealed that all of the ternary blends have two well-separated thermal transitions (Tm, PCL and Tm, EAA) and, as a result, they exhibited triple-SM behavior. Moreover, the mechanical properties as well as shape memory effect of ternary blends were improved with carboxylation of PCL. The developed ternary blends can be considered as a promising SM material in many in-vivo and aerospace applications.
- URI
- https://www.sciencedirect.com/science/article/pii/S0014305721002226https://repository.hanyang.ac.kr/handle/20.500.11754/166613
- ISSN
- 0014-3057
- DOI
- 10.1016/j.eurpolymj.2021.110488
- Appears in Collections:
- COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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