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Hybrid Rubber Nanocomposites Based on XNBR/EPDM: Select the Best Dispersion Type from Different Nanofillers in the Presence of a Compatibilizer
Journal of Inorganic and Organometallic Polymers and Materials ( IF 4 ) Pub Date : 2020-03-12 , DOI: 10.1007/s10904-020-01502-z
Mohammad Javad Azizli , Masoud Mokhtary , Hossein Ali Khonakdar , Vahabodin Goodarzi

Hybrid rubber nanocomposite blends based on (80/20) XNBR/EPDM containing 5 phr Cloisite 10A, 15A 20A, 25A, 93A, 30B, carbon black and silica nanofiller and two types of EPDM-g-MA and ENR 50 containing 5 phr was prepared by a two roll mill. A rheometer test was used to study the curing of the blends, the tensile test was used to study the mechanical strength of the nanocomposite and XRD, FESEM and TEM tests were used to evaluate and observe the morphology of the nanocomposite blends prepared. The results of the rheometer test show that the Cloisite 30B nanofiller, in addition to increasing the torque and optimum cure time, decreased compared to other nanofillers. The results of the XRD test showed that the ENR50 compatibilizer with the Cloisite 30B nanofiller compared to other nanofillers, compared to the EPDM-g-MA compatibilizer, significantly increased the openness of the layers by 2.21 nm. The results of FESEM and TEM confirmed the better distribution of Cloisite 30B nanoparticles in the XNBR/EPDM sample containing ENR 50 compatibilizer. Also, XRD evidence showed that the opening of the nanofiller layers of Cloisite 30B was higher the other nanofillers. This result is consistent with microscopic observations. In addition, all nanoparticles are located in the XNBR phase. The results of the tensile test showed that the modulus and tensile strength of nanocomposite containing Cloisite 30B nanofiller and ENR 50 compatibilizer with other nanocomposites increased.

中文翻译:

基于XNBR / EPDM的杂化橡胶纳米复合材料:在增容剂的存在下,从不同的纳米填料中选择最佳分散类型

基于(80/20)XNBR / EPDM的混合橡胶纳米复合材料共混物,其中包含5 phr Cloisite 10A,15A 20A,25A,93A,30B,炭黑和二氧化硅纳米填料以及两种类型的EPDM-g-MA和ENR 50(包含5 phr)由两辊磨机制备。流变仪测试用于研究共混物的固化,拉伸测试用于研究纳米复合物的机械强度和XRD,FESEM和TEM测试用于评估和观察所制备的纳米复合物共混物的形态。流变仪测试的结果表明,与其他纳米填料相比,Cloisite 30B纳米填料除了增加了扭矩和最佳固化时间外,还减少了。XRD测试结果表明,与其他纳米填料相比,具有Cloisite 30B纳米填料的ENR50增容剂与EPDM-g-MA增容剂相比,显着增加了2.21 nm的层的开放性。FESEM和TEM的结果证实Cloisite 30B纳米颗粒在含有ENR 50增容剂的XNBR / EPDM样品中分布更好。同样,XRD证据表明Cloisite 30B的纳米填料层的开口率高于其他纳米填料。该结果与微观观察结果一致。此外,所有纳米颗粒都位于XNBR相中。拉伸试验的结果表明,含有Cloisite 30B纳米填料和ENR 50增容剂以及其他纳米复合材料的纳米复合材料的模量和拉伸强度有所提高。XRD证据表明Cloisite 30B的纳米填料层的开口率高于其他纳米填料。该结果与微观观察结果一致。此外,所有纳米颗粒都位于XNBR相中。拉伸试验的结果表明,含有Cloisite 30B纳米填料和ENR 50增容剂以及其他纳米复合材料的纳米复合材料的模量和拉伸强度有所提高。XRD证据表明Cloisite 30B的纳米填料层的开口率高于其他纳米填料。该结果与微观观察结果一致。此外,所有纳米颗粒都位于XNBR相中。拉伸试验的结果表明,含有Cloisite 30B纳米填料和ENR 50增容剂以及其他纳米复合材料的纳米复合材料的模量和拉伸强度有所提高。
更新日期:2020-03-12
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