Insight on the striking influence of the chain architecture on promoting the exfoliation of clay in a polylactide matrix during the annealing process
文献类型：期刊论文
| 作者 | Yao, Kun1,2; Wen, Xin1; Tan, Haiying1,2; Gong, Jiang1,2; Zheng, Jun1,2; Zhao, Wei1,2; Wang, Yang1,2; Cui, Dongmei1; Na, Hui3; Tang, Tao1 |
| 刊名 | SOFT MATTER
 |
| 出版日期 | 2013 |
| 卷号 | 9期号:45页码:10891-10898 |
| ISSN号 | 1744-683X |
| DOI | 10.1039/c3sm52149d |
| 英文摘要 | The influence of the topological structure of polylactide (PLA) chains on the microstructure of PLA-organically modified clay (OMC) nanocomposites was studied. Here, an OMC with a hydroxyl group-containing modifier (I.34TCN) was used as the nanofiller. According to the results from the XRD and TEM measurements, the change in the dispersed states of the OMC with star-shaped PLA (PLA3-x) was totally different from that with linear PLA (PLA1-1) during annealing at high temperature. A transition from the intercalated to the exfoliated structure appeared in the simple PLA3-x/OMC mixture during the annealing process, but the intercalated structure was retained in the PLA1-1/OMC system. The enhanced exfoliation of the OMC in the PLA3-x matrix was attributed to the spatial limitation of the star-shaped PLA3-x, which made the intercalated interlayer swell. As a result, the concentration of PLA3-x chains within the layers of the OMC was lower than that of the outside bulk, and so, more PLA3-x chains diffused into the interlayers of the clay until the clay sheets separated (exfoliation state). Furthermore, the exfoliation extent of the OMC in the star-shaped PLA3-x/OMC composites strongly influenced the glass transition temperature (T-g) of star-shaped PLA3-x. |
| 语种 | 英语 |
| WOS记录号 | WOS:000326456800025 |
| 出版者 | ROYAL SOC CHEMISTRY |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/46949]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Wen, Xin |
| 作者单位 | 1.Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Jilin, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 3.Jilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yao, Kun,Wen, Xin,Tan, Haiying,et al. Insight on the striking influence of the chain architecture on promoting the exfoliation of clay in a polylactide matrix during the annealing process[J]. SOFT MATTER,2013,9(45):10891-10898. |
| APA | Yao, Kun.,Wen, Xin.,Tan, Haiying.,Gong, Jiang.,Zheng, Jun.,...&Tang, Tao.(2013).Insight on the striking influence of the chain architecture on promoting the exfoliation of clay in a polylactide matrix during the annealing process.SOFT MATTER,9(45),10891-10898. |
| MLA | Yao, Kun,et al."Insight on the striking influence of the chain architecture on promoting the exfoliation of clay in a polylactide matrix during the annealing process".SOFT MATTER 9.45(2013):10891-10898. |
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来源：化学研究所
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