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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and characterization of binary blends composed of poly(dioctylfluorene-alt-hexylsulfonylthiophene) and nonconjugated polymers
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Preparation and characterization of binary blends composed of poly(dioctylfluorene-alt-hexylsulfonylthiophene) and nonconjugated polymers

机译：二元共混物组成的二元共混物组成的二元共混物和非共轭聚合物组成的二元共混物的制备及表征

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摘要

The solutions and the thin films of poly[9,9-dioctyl-2,7-fluorene-alt-2,5-(3-hexyl-sulfonylthiophene)] (PFSO2T) and its binary blends with other nonconjugated polymers such as poly(methyl methacrylate) (PMMA), polycarbonate (PC), and ethylene vinyl acetate copolymer (EVA) can be prepared by different concentrations from a polymer solution. Binary polymer blends can increase the absorbance and photoluminescence intensities in the solid state due to nonconjugated polymers can act as dispersion agents which can reduce the interchain interaction or the aggregation of the conjugated polymers. Photoluminescence intensity of the thin films of fluorescent polymers blending with ethylene vinyl acetate copolymers exhibited six times higher than that of the neat fluorescent polymers. The PFSO2T/EVA binary blends reveal the least extent of optical degradation of around 20% compared to those binary blends in both absorption and emission intensities after the irradiation under the UV-light for 20 h. The cross-sectional morphology of fluorescent polymers blending with ethylene vinyl acetate copolymers reveals little aggregation and better phase separation among the other binary polymer blends. (C) 2017 Wiley Periodicals, Inc.
机译：聚[9,9-二辛酰-2,7-芴 - ALT-2,5-（3-己磺酰基噻吩）]（PFSO 2T）的溶液和薄膜及其二元共混物与其他非共轭聚合物如聚（甲基丙烯酸甲酯）（PMMA），聚碳酸酯（PC）和乙烯乙烯酯共聚物（EVA）可通过来自聚合物溶液的不同浓度制备。二元聚合物共混物可以增加由于非共轭聚合物，可以充当可以减少间歇性相互作用或共轭聚合物的聚集的分散剂的抗稳定性。用乙烯乙烯基乙酸乙烯酯共聚物混合的荧光聚合物薄膜的光致发光强度表现出比整齐荧光聚合物高的六倍。与在紫外线下的辐射之后的吸收和发射强度下，透露比较20％的光学劣化程度约为20％的最小程度。与乙烯乙烯基乙烯酯共聚物共混的荧光聚合物的横截面形态揭示了其他二元聚合物共混物中的少量聚集和更好的相分离。 （c）2017 Wiley期刊，Inc。

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