Reexamining the Crystallization of Poly(epsilon-caprolactone) and Isotactic Polypropylene under Hard Confinement: Nucleation and Orientation
文献类型：期刊论文
| 作者 | Shi, Guangyu1,6; Liu, Guoming1; Su, Cui1,6; Chen, Haiming1,6; Chen, Yu2; Su, Yunlan1; Muller, Alejandro J.3,4,5; Wang, Dujin1,6 |
| 刊名 | MACROMOLECULES
 |
| 出版日期 | 2017-11-28 |
| 卷号 | 50期号:22页码:9015-9023 |
| ISSN号 | 0024-9297 |
| DOI | 10.1021/acs.macromol.7b02284 |
| 英文摘要 | The crystallization of poly(epsilon-caprolactone) (PCL) and isotactic polypropylene (iPP) infiltrated in nanoporous anodic alumina oxide (AAO) templates was reexamined to demonstrate the importance of obtaining polymer free, clean AAO surfaces on the nucleation, size dependence of crystallization temperature (T-c), and texture. The AAO pore diameters cover a broad range from 400 to 20 nm. When the AAO templates were completely free of any residual polymer on their surfaces, differential scanning calorimetry (DSC) experiments exhibited a single crystallization peak for all the samples with different AAO pore sizes. A drastic decrease in T-c with density of domains indicated a transition from heterogeneous to homogeneous/surface nucleation. A regular decrease of T-c with pore size was observed in the low T-c regime, as a result of the volume dependence of nucleation events. The chain alignment of the two polymers infiltrated in AAO was studied by two-dimensional wide-angle X-ray scattering (WAXS). By comparing the experimental and simulated WAXS patterns, the orientation modes of the polymers were identified and compared with previous studies. |
| 语种 | 英语 |
| WOS记录号 | WOS:000416877500016 |
| 出版者 | AMER CHEMICAL SOC |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/45089]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Liu, Guoming |
| 作者单位 | 1.Chinese Acad Sci, CAS Res Educ Ctr Excellence Mol Sci, Inst Chem, CAS Key Lab Engn Plast, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China 3.Univ Basque Country UPV EHU, Fac Chem, POLYMAT, Paseo Manuel Lardizabal 3, Donostia San Sebastian 20018, Spain 4.Univ Basque Country UPV EHU, Fac Chem, Polymer Sci & Technol Dept, Paseo Manuel Lardizabal 3, Donostia San Sebastian 20018, Spain 5.Basque Fdn Sci, IKERBASQUE, Bilbao, Spain 6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shi, Guangyu,Liu, Guoming,Su, Cui,et al. Reexamining the Crystallization of Poly(epsilon-caprolactone) and Isotactic Polypropylene under Hard Confinement: Nucleation and Orientation[J]. MACROMOLECULES,2017,50(22):9015-9023. |
| APA | Shi, Guangyu.,Liu, Guoming.,Su, Cui.,Chen, Haiming.,Chen, Yu.,...&Wang, Dujin.(2017).Reexamining the Crystallization of Poly(epsilon-caprolactone) and Isotactic Polypropylene under Hard Confinement: Nucleation and Orientation.MACROMOLECULES,50(22),9015-9023. |
| MLA | Shi, Guangyu,et al."Reexamining the Crystallization of Poly(epsilon-caprolactone) and Isotactic Polypropylene under Hard Confinement: Nucleation and Orientation".MACROMOLECULES 50.22(2017):9015-9023. |
入库方式： OAI收割
来源：化学研究所
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