Crystallization segregation DSC studies of PP/PE copolymers
文献类型：期刊论文
| 作者 | Ma, Y; Wang, Y; Zhu, SN; Xu, M |
| 刊名 | CHINESE JOURNAL OF POLYMER SCIENCE
 |
| 出版日期 | 2001 |
| 卷号 | 19期号:1页码:93-96 |
| 关键词 | Pp/pe Copolymer Sequence Distribution Crystallization Segregation Dsc C-13-nmr |
| ISSN号 | 0256-7679 |
| 英文摘要 | The structural analysis of two PP/PE copolymer samples, 1 and 2, was conducted by using C-13-NMR, GPC and crystallization segregation DSC (CSDSC) techniques. A pure polypropylene sample was also used for comparison. It was found that the two copolymer samples are very close in composition (the ethylene mol content is 4.3% and 4.5%, respectively), stereoregularity (96% and 97%) and molecular weight (M-w = 7.0 x 10(4) and 7.3 x 10(4); M-w/M-n = 5.0 and 6.1, respectively). While the CSDSC thermograms of the two samples are quite different from each other. Sample 1 shows a higher average melting temperature and a broader distribution of its thermogram These phenomena were explained as an indication of a less uniform distribution of ethylene units along the PP chains for sample 1. It was noted that CSDSC is a very sensitive and convenient technique for structural studies of copolymers. |
| 语种 | 英语 |
| WOS记录号 | WOS:000166329700016 |
| 出版者 | SPRINGER-VERLAG BERLIN |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/77629]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Xu, M |
| 作者单位 | Chinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ma, Y,Wang, Y,Zhu, SN,et al. Crystallization segregation DSC studies of PP/PE copolymers[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2001,19(1):93-96. |
| APA | Ma, Y,Wang, Y,Zhu, SN,&Xu, M.(2001).Crystallization segregation DSC studies of PP/PE copolymers.CHINESE JOURNAL OF POLYMER SCIENCE,19(1),93-96. |
| MLA | Ma, Y,et al."Crystallization segregation DSC studies of PP/PE copolymers".CHINESE JOURNAL OF POLYMER SCIENCE 19.1(2001):93-96. |
入库方式： OAI收割
来源：化学研究所
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