Shape-memory and biocompatibility properties of segmented polyurethanes based on poly(L-lactide)
文献类型：期刊论文
| 作者 | Ping P ; Wang WS ; Zhang PB ; Chen XS ; Jing XB |
| 刊名 | chemical journal of chinese universities-chinese
 |
| 出版日期 | 2007 |
| 卷号 | 28期号:2页码:371-375 |
| 关键词 | POLYMERIZATION POLYMERS BEHAVIOR |
| ISSN号 | 0251-0790 |
| 通讯作者 | jing xb |
| 中文摘要 | a series of segmented poly (l-lactide)-polyurethanes (pla-pu) were synthesized by a two-step method, with oligo-poly(l-lactide) (pla) as the soft segments and the reaction product of 2,4-toluene diisocyanate(tdi) and ethylene glycol(eg) as the hard segments. the shape memory properties of pla-pus were examined. the processed pla-pus could recover almost 100% to their original shape within 10 degrees c from the lowest recovery temperature. in the recovery process, the pla-pus showed a maximum contracting stress of shape change in the range of 1.5-4 mpa depending on the pla segmental length and the hard-segmental content and higher than that of poly (e-caprolactone polyurethane) (pcl-pu). besides, the influence of deforming and fixing temperatures on shape memory properties of pla-pu was studied in detail. they could affect not only the recovery temperature but also the maximum contracting stress. the experiments of cell incubation were used to evaluate the biocompatibility of pla-pu. the results show that the biocompatibility of pla-pu is comparable to that of the pure pla. this kind of polyurethane can be used as implanted medical devices with a shape memory property. |
| 收录类别 | SCI |
| 语种 | 中文 |
| WOS记录号 | WOS:000244413000043 |
| 公开日期 | 2010-07-13 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/14435]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Ping P,Wang WS,Zhang PB,et al. Shape-memory and biocompatibility properties of segmented polyurethanes based on poly(L-lactide)[J]. chemical journal of chinese universities-chinese,2007,28(2):371-375. |
| APA | Ping P,Wang WS,Zhang PB,Chen XS,&Jing XB.(2007).Shape-memory and biocompatibility properties of segmented polyurethanes based on poly(L-lactide).chemical journal of chinese universities-chinese,28(2),371-375. |
| MLA | Ping P,et al."Shape-memory and biocompatibility properties of segmented polyurethanes based on poly(L-lactide)".chemical journal of chinese universities-chinese 28.2(2007):371-375. |
入库方式： OAI收割
来源：长春应用化学研究所
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