Crystallization and melting behaviors of PPC-BS/PVA blends
文献类型:期刊论文
作者 | Zhang, ZH; Mo, ZS; Zhang, HF; Wang, XH; Zhao, XJ |
刊名 | MACROMOLECULAR CHEMISTRY AND PHYSICS
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出版日期 | 2003-08-18 |
卷号 | 204期号:12页码:1557-1566 |
关键词 | Blend Crystallization Melting Ppc-bs Pva |
ISSN号 | 1022-1352 |
DOI | 10.1002/macp.200350012 |
英文摘要 | The isothermal crystallization and melting behaviors of poly(propylene carbonate) end-capped with benzenesulfonyl/poly (vinyl alcohol) (PPC-BS/PVA) blends over rich PVA composition range were first investigated by differential scanning calorimetry (DSC). PPS-BS/PVA interaction parameter, chi(12), calculated from equilibrium melting temperature depression was -0.44, revealing miscibility of PPC-BS with PVA in the melt and favorable interactions. The temperature dependence of crystallization rate constant at initial crystallization stage was analyzed using the modified Lauritzen-Hoffman expression. The chain width, a(0), the thickness of a monomolecular layer, b(0), the fold and lateral surface-free energies, sigma(e) and sigma, and the work of chain folding, q, for neat PVA were first reckoned to be 4.50 Angstrom, 4.78 Angstrom, 76.0 erg.cm(-2), and 4.70 kcal.mol(-1), respectively. The values of sigma(e) and q for PVA in PPC-BS/PVA blends exhibited a maximum in the neighborhood of 10/90 PPC-BS/PV, respectively. |
语种 | 英语 |
WOS记录号 | WOS:000184918300010 |
出版者 | WILEY-V C H VERLAG GMBH |
源URL | [http://ir.iccas.ac.cn/handle/121111/80689] ![]() |
专题 | 中国科学院化学研究所 |
通讯作者 | Mo, ZS |
作者单位 | Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, ZH,Mo, ZS,Zhang, HF,et al. Crystallization and melting behaviors of PPC-BS/PVA blends[J]. MACROMOLECULAR CHEMISTRY AND PHYSICS,2003,204(12):1557-1566. |
APA | Zhang, ZH,Mo, ZS,Zhang, HF,Wang, XH,&Zhao, XJ.(2003).Crystallization and melting behaviors of PPC-BS/PVA blends.MACROMOLECULAR CHEMISTRY AND PHYSICS,204(12),1557-1566. |
MLA | Zhang, ZH,et al."Crystallization and melting behaviors of PPC-BS/PVA blends".MACROMOLECULAR CHEMISTRY AND PHYSICS 204.12(2003):1557-1566. |
入库方式: OAI收割
来源:化学研究所
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