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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and characterization of polybutylene-succinate/poly(ethylene-glycol)/cellulose nanocrystals ternary composites
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Preparation and characterization of polybutylene-succinate/poly(ethylene-glycol)/cellulose nanocrystals ternary composites

机译：聚丁二酸琥珀酸酯/聚乙二醇-纤维素纳米晶体三元复合材料的制备与表征

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Ternary composites were prepared by twin screw extrusion from polybutylene-succinate (PBS), poly(ethylene-glycol) (PEG), and cellulose nanocrystals (CNC). The aim of the work is to improve the physical-mechanical properties of PBS by the addition of CNC. A PEG/CNC masterbatch was prepared in order to achieve a good dispersion of hydrophilic CNC in the hydrophobic PBS. The influence of the nanoparticle content on the polymer properties was studied. Regarding the thermal properties fractioned crystallization phenomena of PEG was observed during cooling from the melt. No significant nucleating effect of the nanocellulose was observed. The material containing 4 wt % of CNC showed the best mechanical performance among the nanocomposites studied due to the combination of high modulus and elongation at break with a low detrimental in strength compared with the PBS/PEG blend. Moreover, no nanocellulose agglomerations were observed in its FESEM micrograph. (C) 2015 Wiley Periodicals, Inc.
机译：通过双螺杆挤出法从聚丁二酸琥珀酸酯（PBS），聚乙二醇（PEG）和纤维素纳米晶体（CNC）中制备三元复合材料。这项工作的目的是通过添加CNC来改善PBS的物理机械性能。制备PEG / CNC母料以实现亲水性CNC在疏水性PBS中的良好分散。研究了纳米颗粒含量对聚合物性能的影响。关于热性能，在从熔体冷却期间观察到了PEG的分级结晶现象。没有观察到纳米纤维素的显着成核作用。与PBS / PEG共混物相比，由于高模量和断裂伸长率与低有害强度的结合，含有4 wt％CNC的材料在研究的纳米复合材料中表现出最佳的机械性能。此外，在其FESEM显微图中未观察到纳米纤维素的团聚。 （C）2015威利期刊公司

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