Properties, morphology and structure of BPDA/PPD/ODA polyimide fibres
文献类型：期刊论文
| 作者 | Huang SB ; Jiang ZY ; Ma XY ; Qiu XP ; Men YF ; Gao LX ; Ding MX |
| 刊名 | plastics rubber and composites
 |
| 出版日期 | 2013 |
| 卷号 | 42期号:10页码:407-415 |
| 关键词 | X-RAY-SCATTERING ROD POLYMER FIBERS MECHANICAL-PROPERTIES CARBON FIBRES POLYBENZIMIDAZOLE DEFORMATION STRENGTH M5 |
| ISSN号 | 1465-8011 |
| 通讯作者 | gao lx |
| 中文摘要 | a family of random co-poly(amic acid) s containing 4,4'-oxydianiline (oda) moiety were synthesised in n, n'-dimethylacetamide. the co-poly(amic acid) solutions were used as spinning dope for dry jet wet spinning process into as spun poly(amic acid) (paa) fibres. the polyimide (pi) fibres were obtained from paa fibres after being imidised and drawn in furnace. the processability and mechanical properties of the fibres were notably improved by incorporating oda into 3,3',4,4'-biphenyltetracarboxylic dianhydride/p-phenylenediamine (bpda/ppd) backbone. the best strength and modulus of bpda/ppd/oda pi fibre (diamine mole ratio of ppd/oda=85 : 15) attained 2.25 and 96.5 gpa respectively, which were approximately three times the tenacity of the bpda/ppd pi fibre. the sem image showed that the cross-section of each stage fibres was round and void free. in addition, 'skin-core' and microfibrillar structure were not observed. the thermal properties of pi fibres were also investigated. the results showed that the pi fibres have excellent thermal stability; moreover, the dimensional stability and structural homogeneity of the fibres were significantly improved by heat drawn stage. t-g was found to be similar to 290 degrees c by thermomechanical and dynamic mechanical analyses. the x-ray (wide angle x-ray diffraction and small angle x-ray scattering) experiments indicated that the ordering degree of longitudinal and lateral stacks, as well as the molecular orientation of pi fibre, was improved in the preparation process of fibres. furthermore, the mechanical properties of fibres are profoundly affected by the heat drawn conditions. |
| 收录类别 | SCI收录期刊论文 |
| 语种 | 英语 |
| WOS记录号 | WOS:000326686200001 |
| 公开日期 | 2014-04-20 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/50453]  |
| 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 | Huang SB,Jiang ZY,Ma XY,et al. Properties, morphology and structure of BPDA/PPD/ODA polyimide fibres[J]. plastics rubber and composites,2013,42(10):407-415. |
| APA | Huang SB.,Jiang ZY.,Ma XY.,Qiu XP.,Men YF.,...&Ding MX.(2013).Properties, morphology and structure of BPDA/PPD/ODA polyimide fibres.plastics rubber and composites,42(10),407-415. |
| MLA | Huang SB,et al."Properties, morphology and structure of BPDA/PPD/ODA polyimide fibres".plastics rubber and composites 42.10(2013):407-415. |
入库方式： OAI收割
来源：长春应用化学研究所
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