Highly Cross-Linked and Stable Shape-Memory Polyurethanes Containing a Planar Ring Chain Extender
文献类型：期刊论文
| 作者 | Luo, Qing; Chen, Jing; Gnanasekar, Pitchaimari; Ma, Xiaozhen; Qin, Dongdong; Na, Haining; Zhu, Jin; Yan, Ning |
| 刊名 | ACS APPLIED POLYMER MATERIALS
 |
| 出版日期 | 2020 |
| 卷号 | 2期号:11页码:5259-5268 |
| 英文摘要 | Shape-memory biomaterials, especially those stable against degradation, are attractive for applications in the biomedical fields, such as artificial bone scaffold material, artificial blood vessel material, and so on. In this study, shape-memory polyurethanes (SMPUs) were synthesized based on poly(epsilon-caprolactone) (PCL) diol, dicyclohexylmethylmethane-4,4'-diisocyanate (HMDI), and planar ring chain extenders. Catechol (PCTE), 1,4,9,10-anthracenetetrol (ANTE), and 2,3,6,7,10,11-hexahydroxytriphenylene hydrate (HHTP) with different rigidities were used as the stationary phase to produce the SMPUs. Shape-memory and degradation properties of the SMPUs were characterized. It was found that poly(PCL & PCTE urethane) (PCPU), poly(PCL & ANTE urethane) (PCAU), and poly(PCL & HHTP urethane) (PCHU) showed outstanding shapememory properties with the shape fixity rate of 90.9%, 90.4%, and 94.0% and shape recovery rate of 99.1%, 99.1%, and 98.7%, respectively, following the triple-shape-memory testing procedure. Moreover, during the 6 month hydrolysis process, all SMPUs had 90.6%-94.3% of weight remaining, demonstrating good hydrolysis resistance with highly stable thermomechanical performance. These SMPUs possess excellent shape-memory properties and are highly promising for applications as implant materials in vivo. |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/22469]  |
| 专题 | 中国科学院宁波材料技术与工程研究所 2020专题_期刊论文 2021专题_期刊论文 |
| 作者单位 | 1.Yan, N (corresponding author), Univ Toronto, Dept Chem Engn & Appl Chem, Toronto, ON M5S 3E5, Canada. 2.Chen, J 3.Chen, J (corresponding author), Chinese Acad Sci, Div Polymer & Composite Mat, Key Lab Biobased Polymer Mat Technol & Applicat Z, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Luo, Qing,Chen, Jing,Gnanasekar, Pitchaimari,et al. Highly Cross-Linked and Stable Shape-Memory Polyurethanes Containing a Planar Ring Chain Extender[J]. ACS APPLIED POLYMER MATERIALS,2020,2(11):5259-5268. |
| APA | Luo, Qing.,Chen, Jing.,Gnanasekar, Pitchaimari.,Ma, Xiaozhen.,Qin, Dongdong.,...&Yan, Ning.(2020).Highly Cross-Linked and Stable Shape-Memory Polyurethanes Containing a Planar Ring Chain Extender.ACS APPLIED POLYMER MATERIALS,2(11),5259-5268. |
| MLA | Luo, Qing,et al."Highly Cross-Linked and Stable Shape-Memory Polyurethanes Containing a Planar Ring Chain Extender".ACS APPLIED POLYMER MATERIALS 2.11(2020):5259-5268. |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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