Crystallization kinetics of poly(ethylene oxide) confined in semicrystalline poly(vinylidene) fluoride

被引：11

作者：

Noel Tamano-Machiavello, Maria ^{[1
]}

Costa, Carlos Miguel ^{[2
]}

Jose Romero-Colomer, Francisco ^{[1
]}

Meseguer Duenas, Jose Maria ^{[1
,3
]}

Lanceros-Mendez, Senentxu ^{[4
,5
]}

Gomez Ribelles, Jose Luis ^{[1
,3
]}

机构：

[1] Univ Politecn Valencia, Ctr Biomat & Tissue Engn CBIT, Camino de Vera S-N, E-46022 Valencia, Spain

[2] Univ Minho, Ctr Fis, P-4710057 Braga, Portugal

[3] Biomed Res Networking Ctr Bioengn Biomat & Nanome, Valencia, Spain

[4] BCMaterials, Parque Cient & Tecnol Bizkaia, Derio 48160, Spain

[5] Basque Fdn Sci, Ikerbasque, Bilbao 48013, Spain

来源：

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2018年 / 56卷 / 07期

关键词：

confinement; crystallization; electroactive polymers; ION BATTERY APPLICATIONS; NONISOTHERMAL CRYSTALLIZATION; POLYMER CRYSTALLIZATION; BLEND MEMBRANES; METHACRYLATE) BLENDS; MOLECULAR-WEIGHT; FLUORIDE)/POLY(ETHYLENE OXIDE); ISOTHERMAL CRYSTALLIZATION; OPTICAL MICROSCOPY; PHASE-CHANGE;

D O I：

10.1002/polb.24564

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polymer blends based on poly(vinylidene fluoride) (PVDF) and poly(ethylene oxide) (PEO) have been prepared to analyze the crystallization kinetics of poly(ethylene oxide) confined in semicrystalline PVDF with different ratios of both polymers. Both blend components were dissolved in a common solvent, dimethyl formamide. Blend films were obtained by casting from the solution at 70 degrees C. Thus, PVDF crystals are formed by crystallization from the solution while PEO (which is in the liquid state during the whole process) is confined between PVDF crystallites. The kinetics of crystallization of the confined PEO phase was studied by isothermal and nonisothermal experiments. Fitting of Avrami model to the experimental DSC traces allows a quantitative comparison of the influence of the PVDF/PEO ratio in the blend on the crystallization behavior. The effect of melting and further recrystallization of the PVDF matrix on PEO confinement is also studied. (c) 2017 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2018, 56, 588-597

引用

页码：588 / 597

页数：10

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