The structure and properties of an in situ blend composed of polyamide 6 and a non-crystallizable semi-aromatic polyamide copolymer
文献类型：期刊论文
| 作者 | Wang Xiaochun; Yang Guisheng; Zheng Qiang |
| 刊名 | ACTA POLYMERICA SINICA
 |
| 出版日期 | 2007-09-01 |
| 期号 | 9页码:796-801 |
| 关键词 | Non-crystallizable Polyamide Anionic Polymerization In Situ Blends Structure And Properties Polyamide 6 |
| ISSN号 | 1000-3304 |
| 英文摘要 | The molten caprolactam was polymerized by means of anionic ring-opening polymerization in the presence of a non-crystallizable semi-aromatic polyamide copolymer (NSAP) in order to in situ fabricate the resultant polyamide 6 blends with NSAP. The in situ blends exhibit remarkably improved strength and modulus compared with those of the virgin system. The results of the characterization by using scanning electron microscope (SEM) and dynamic mechanical analyzer (DMA) reveal that there exist a homogeneous morphology and single glass transition for the blends. It is suggested that the miscibility results from the interchange reaction during polymerization. The traces of differential scanning calorimeter (DSC) demonstrate that as compared with the virgin system, both the melting temperature and crystallinity for the blends decrease. Wide-angle X-ray diffraction (WAXD) analysis shows that the crystals exist exclusively in a form for the virgin system; however, a drastic increase in the fraction of gamma form appears in the in situ blends, e. g., with the addition of 20 wt % NSAP, the majority of crystals is in gamma form. However, only a slight refinement of spherulites occurs as observed by polarized optical microscope (POM). It is indicated that the improvement in the strength and modulus for the blends results from the reduction of molecule mobility and the fraction of PA6 gamma crystals as well. |
| 语种 | 英语 |
| WOS记录号 | WOS:000249791800003 |
| 出版者 | SCIENCE CHINA PRESS |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/61859]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Wang Xiaochun |
| 作者单位 | 1.Zhejiang Univ, Dept Polymer Sci & Engn, Hangzhou 310027, Peoples R China 2.Chinese Acad Sci, Key Lab Engn Plast, Inst Chem, Beijing 100080, Peoples R China 3.Shanghai Genius Adv Mat Co Ltd, Shanghai 201109, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang Xiaochun,Yang Guisheng,Zheng Qiang. The structure and properties of an in situ blend composed of polyamide 6 and a non-crystallizable semi-aromatic polyamide copolymer[J]. ACTA POLYMERICA SINICA,2007(9):796-801. |
| APA | Wang Xiaochun,Yang Guisheng,&Zheng Qiang.(2007).The structure and properties of an in situ blend composed of polyamide 6 and a non-crystallizable semi-aromatic polyamide copolymer.ACTA POLYMERICA SINICA(9),796-801. |
| MLA | Wang Xiaochun,et al."The structure and properties of an in situ blend composed of polyamide 6 and a non-crystallizable semi-aromatic polyamide copolymer".ACTA POLYMERICA SINICA .9(2007):796-801. |
入库方式： OAI收割
来源：化学研究所
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