LADDER SUPERSTRUCTURE-DIRECTED SYNTHESIS OF A WELL-DEFINED m-PHENELENEDIIMINO-BRIDGED LADDER POLYMETHYLSILOXANE
文献类型：期刊论文
| 作者 | Lv, Yin-Sheng1; Ren, Zhong-Jie2; Wan, You-Zhi1; Xie, Ping2; Zhang, Rong-Ben2 |
| 刊名 | CHINESE JOURNAL OF POLYMER SCIENCE
 |
| 出版日期 | 2009-07-01 |
| 卷号 | 27期号:4页码:525-532 |
| 关键词 | Ladder Superstructure Organo-bridged Ladder Polysiloxane Self-assembly |
| ISSN号 | 0256-7679 |
| 英文摘要 | A well-defined m-phenylenediimino-bridged ladder polymethylsiloxane (LP) was first synthesized through a well-defined ladder superstructure (LS) acting as synthetic template, which was self-assembled by concerted interaction of hydrogen bonding and aromatic pi-pi stacking of the monomer (M), N, N'-bis(phenyldichlorosilyl)-m-phenylenediamine. Some key characterization data of LP and, in particular, the extremely vulnerable LS with very unstable Si. Cl and Si. N groups were given. The molecular weights (M(n)) of LS and LP are 5010 and 10480, corresponding to about 15 and 46 monomer units, respectively. To monitor the real in situ status of LS in solution the XRD measurements of special freeze-drying samples were performed, demonstrating two characteristic peaks of ladder structure. Most importantly, both LP and LS display exceedingly sharp resonance absorption peaks with a half peak width (Delta(1/2)) as small as <0.3 of MeSi(NH)O(2/2) moieties in (29)Si-NMR spectra. It is well-known that the higher the regularity of the ladder polysiloxane, the narrower the resonance peak of the siloxane moiety on the ladder backbone, and the smaller the half peak width Delta(1/2). Therefore, the very small values of Delta(1/2) for both LS and LP confirm that both LS and LP possess well-defined ladder structures. |
| 语种 | 英语 |
| WOS记录号 | WOS:000267265100010 |
| 出版者 | WORLD SCIENTIFIC PUBL CO PTE LTD |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/66099]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Wan, You-Zhi |
| 作者单位 | 1.Beijing Univ Chem Technol, Dept Appl Chem, Coll Sci, Beijing 100029, Peoples R China 2.Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Joint Lab Polymer Sci & Mat, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lv, Yin-Sheng,Ren, Zhong-Jie,Wan, You-Zhi,et al. LADDER SUPERSTRUCTURE-DIRECTED SYNTHESIS OF A WELL-DEFINED m-PHENELENEDIIMINO-BRIDGED LADDER POLYMETHYLSILOXANE[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2009,27(4):525-532. |
| APA | Lv, Yin-Sheng,Ren, Zhong-Jie,Wan, You-Zhi,Xie, Ping,&Zhang, Rong-Ben.(2009).LADDER SUPERSTRUCTURE-DIRECTED SYNTHESIS OF A WELL-DEFINED m-PHENELENEDIIMINO-BRIDGED LADDER POLYMETHYLSILOXANE.CHINESE JOURNAL OF POLYMER SCIENCE,27(4),525-532. |
| MLA | Lv, Yin-Sheng,et al."LADDER SUPERSTRUCTURE-DIRECTED SYNTHESIS OF A WELL-DEFINED m-PHENELENEDIIMINO-BRIDGED LADDER POLYMETHYLSILOXANE".CHINESE JOURNAL OF POLYMER SCIENCE 27.4(2009):525-532. |
入库方式： OAI收割
来源：化学研究所
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