NMR CHARACTERIZATION OF SEGMENT SEQUENCE IN POLYESTER POLYETHER COPOLYMERS
文献类型：期刊论文
| 作者 | HIGASHIYAMA, A; YAMAMOTO, Y; CHUJO, R; WU, MY |
| 刊名 | POLYMER JOURNAL
 |
| 出版日期 | 1992 |
| 卷号 | 24期号:12页码:1345-1349 |
| 关键词 | C-13 Nmr Aromatic Quaternary Carbons Polyester Polyether Segmented Copolymers Segmented Sequence Distribution Thermoplastic Elastomer |
| ISSN号 | 0032-3896 |
| 英文摘要 | The poly(butadiene terephthalate) (PBT) poly(tetramethylene glycol) (PTMG) segmented copolymers synthesized both by ordinary monomeric method (M method) and polymeric method (P method) have been studied by NMR. By using C-13 NMR based on the chemical shifts of aromatic quaternary carbons, the segment sequence and the compositions of segmented copolymers are able to be precisely determined, even with unpurified samples. In contrast, only the apparent composition was obtained using H-1 NMR, because the formation of long sequence of soft segment and the effect of polyester are not taken into account in H-1 NMR measurement. Formation of long sequence of soft segment is more likely in PBT PTMG with lower hard segment content (PBT %). |
| 语种 | 英语 |
| WOS记录号 | WOS:A1992KE04400004 |
| 出版者 | SOC POLYMER SCIENCE JAPAN |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/44059]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | HIGASHIYAMA, A |
| 作者单位 | CHINESE ACAD SCI,INST CHEM,BEIJING,PEOPLES R CHINA |
| 推荐引用方式 GB/T 7714 | HIGASHIYAMA, A,YAMAMOTO, Y,CHUJO, R,et al. NMR CHARACTERIZATION OF SEGMENT SEQUENCE IN POLYESTER POLYETHER COPOLYMERS[J]. POLYMER JOURNAL,1992,24(12):1345-1349. |
| APA | HIGASHIYAMA, A,YAMAMOTO, Y,CHUJO, R,&WU, MY.(1992).NMR CHARACTERIZATION OF SEGMENT SEQUENCE IN POLYESTER POLYETHER COPOLYMERS.POLYMER JOURNAL,24(12),1345-1349. |
| MLA | HIGASHIYAMA, A,et al."NMR CHARACTERIZATION OF SEGMENT SEQUENCE IN POLYESTER POLYETHER COPOLYMERS".POLYMER JOURNAL 24.12(1992):1345-1349. |
入库方式： OAI收割
来源：化学研究所
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