CRYSTALLIZATION OF POLY(ARYL-ETHER-ETHER-KETONE)S BLENDS
文献类型：期刊论文
| 作者 | ALFONSO GC ; CHIAPPA V ; LIU JJ ; SADIKU ER |
| 刊名 | european polymer journal
 |
| 出版日期 | 1991 |
| 卷号 | 27期号:8页码:795-801 |
| 关键词 | POLY(ETHER ETHER KETONE) EQUILIBRIUM MELTING TEMPERATURE UNIT-CELL PARAMETERS POLY(VINYLIDENE FLUORIDE) POLY(METHYL METHACRYLATE) MOLECULAR-WEIGHT POLYMER MIXTURES MISCIBLE BLENDS BEHAVIOR PEEK |
| ISSN号 | 0014-3057 |
| 通讯作者 | alfonso gc |
| 中文摘要 | the crystallization and melting behaviour of poly(aryl-ether-ether-ketone) (peek) in blends with another polymer of the same family containing a bulky pendant phenolphthalein group (pek-c) have been investigated by thermal methods. the small interaction energy density of the polymer pair (b = -8.99 j/cm3), evaluated from equilibrium melting point depression, is consistent with the t(g) data that indicate partial miscibility in the melt. two conjugated phases are in equilibrium at 430-degrees-c: one is crystallizable and contains about 35 wt% of pek-c; the other, containing only 15 wt% of peek, does not form crystals upon cooling and it interferes with the development of spherulites in the sample. the analysis of kinetic data according to nucleation theories shows that crystallization of peek in the explored temperature range takes place in regime iii and that a transition to regime ii might be a consequence of an increase in the amount of non-crystallizable molecules in the peek-rich phase. a composition independent value of the end surface free energy of peek lamellae has been derived from kinetic data (sigma-e = 40 +/- 4 erg/cm2) in excellent agreement with previous thermodynamic estimates. a new value for the equilibrium melting temperature of peek (t(m)-degrees = 639 k) has been obtained; it is about 30-degrees-c lower than the commonly accepted value and it explains better the "memory effect" in the crystallization from the melt of this high performance polymer. |
| 收录类别 | SCI收录期刊论文 |
| 语种 | 英语 |
| 公开日期 | 2011-03-03 ; 2011-06-10 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/38407]  |
| 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 | ALFONSO GC,CHIAPPA V,LIU JJ,et al. CRYSTALLIZATION OF POLY(ARYL-ETHER-ETHER-KETONE)S BLENDS[J]. european polymer journal,1991,27(8):795-801. |
| APA | ALFONSO GC,CHIAPPA V,LIU JJ,&SADIKU ER.(1991).CRYSTALLIZATION OF POLY(ARYL-ETHER-ETHER-KETONE)S BLENDS.european polymer journal,27(8),795-801. |
| MLA | ALFONSO GC,et al."CRYSTALLIZATION OF POLY(ARYL-ETHER-ETHER-KETONE)S BLENDS".european polymer journal 27.8(1991):795-801. |
入库方式： OAI收割
来源：长春应用化学研究所
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