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首页> 外文期刊>Journal of Applied Polymer Science >Microscopic morphology, rheological behavior, and mechanical properties of polymers: Recycled acrylonitrile-butadiene-styrene/polybutylene terephthalate blends
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Microscopic morphology, rheological behavior, and mechanical properties of polymers: Recycled acrylonitrile-butadiene-styrene/polybutylene terephthalate blends

机译：聚合物的微观形态，流变动态和机械性能：再循环丙烯腈 - 丁二烯 - 苯乙烯/聚丁烯对苯二甲酸丁二醇酯共混物

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摘要

In this study, styrene-acrylonitrile-glycidyl methacrylate (SAG) series copolymers were specially designed for producing the recycled acrylonitrile-butadiene-styrene (rABS)/poly(butylene terephthalate) (PBT)/SAG blends, which were prepared through the process of continuous melt blending and batch feeding. The effects of viscosity composition, SAG chemical composition, and SAG content on the morphology, and rheological and mechanical properties of the blends have been investigated. As demonstrated by morphological observation, the variety of viscosity composition of the blends affects the size of dispersed PBT droplets. Moreover, high viscosity of rABS matrix seems to facilitate the formation of smaller dispersed phase size of blends. Various SAG chemical compositions have different stabilities on the morphology of the blends, which affects the deformation, fragmentation, and coalescence of dispersed phase droplets. In addition, a finer phase morphology can be achieved when the density distribution of epoxy group is optimal in SAG copolymer. Rheological characterization manifested that the rheological properties of the blends depends strongly on its composition and structure, while the crosslinking degree is associated with the concentration of reactive groups and extent of reaction. Thereby, the rheological behavior of the blends during processing can be controlled by changing the reactive sequence and adding the quantity of epoxy group. The test on mechanical properties verified that a recycled product with excellent performance can be obtained by altering processing methods and the blends formula, which may be further applied to the 3D printing materials required by fused deposition modeling technology. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48310.
机译：在该研究中，特别设计甲基丙烯酸缩水甘油酯 - 甲基丙烯酸酯（SAG）串联共聚物，用于制备通过该过程制备的再循环丙烯腈 - 丁二烯 - 苯乙烯（RAB）/聚（对苯二甲酸丁二醇酯）（PBT）/ SAG混合物。连续熔融混合和批量喂养。研究了粘度组成，下垂化学成分和SAG含量对形态的影响，并进行了共混物的流变和力学性能。正如通过形态学观察所证明的，共混物的各种粘度组合物影响分散的PBT液滴的尺寸。此外，RABS基质的高粘度似乎有助于形成较小的分散相尺寸的共混物。各种SAG化学成分对混合物的形态具有不同的稳定性，这影响分散相液滴的变形，碎片和聚结。此外，当环氧基团的密度分布在虹吸共聚物中最佳时，可以实现更细的相质形态。流变表征表现出共混物的流变性质在其组合物和结构上强烈取决于交联度与反应基团的浓度与反应程度相关联。由此，可以通过改变反应性序列并加入环氧基的量来控制加工过程中共混物的流变行为。机械性能的测试验证了具有优异性能的再循环产物可以通过改变加工方法和共混配方来获得，这可以进一步应用于融合沉积建模技术所需的3D印刷材料。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,48310。

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  • 来源
    《Journal of Applied Polymer Science》 |2020年第4期|共11页
  • 作者

    He Hezhi; Zhan Zhiming; Zhu Zhiwen; Xue Bin; Li Jiqian; Chen Ming; Wang Guozhen;

  • 作者单位

    South China Univ Technol Natl Engn Res Ctr Novel Equipment Polymer Proc Minist Educ Key Lab Polymer Proc Engn Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Natl Engn Res Ctr Novel Equipment Polymer Proc Minist Educ Key Lab Polymer Proc Engn Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Natl Engn Res Ctr Novel Equipment Polymer Proc Minist Educ Key Lab Polymer Proc Engn Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Natl Engn Res Ctr Novel Equipment Polymer Proc Minist Educ Key Lab Polymer Proc Engn Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Natl Engn Res Ctr Novel Equipment Polymer Proc Minist Educ Key Lab Polymer Proc Engn Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Natl Engn Res Ctr Novel Equipment Polymer Proc Minist Educ Key Lab Polymer Proc Engn Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Natl Engn Res Ctr Novel Equipment Polymer Proc Minist Educ Key Lab Polymer Proc Engn Guangzhou 510640 Guangdong Peoples R China;

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  • 正文语种 eng
  • 中图分类 高分子化合物工业（高聚物工业）;
  • 关键词

    microstructure; recycled ABS; rheological behavior; SAG chemical composition; viscosity composition;

    机译：微观结构;再生ABS;流变行为;SAG化学成分;粘度组成;

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