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首页> 外文期刊>Polymers for advanced technologies >Evaluation of air permeability characteristics on the hybridization of carbon black with graphene nanoplatelets in bromobutyl rubber/epoxidized natural rubber composites for inner-liner applications
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Evaluation of air permeability characteristics on the hybridization of carbon black with graphene nanoplatelets in bromobutyl rubber/epoxidized natural rubber composites for inner-liner applications

机译：溴丁基橡胶/环氧化天然橡胶复合材料中石墨烯纳米型炭黑杂交透气性特性评价

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摘要

Nanotechnology has been explored recently as a means of enhancing the properties of conventional elastomers for engineering applications. In the current study, the effect of nanofillers on air impermeability properties of Brominated isobutylene-isoprene rubber (BIIR)/Epoxidized natural rubber (ENR) blend has analyzed for automotive applications. The ENR chosen is ENR 25 and ENR 50 (25 and 50% epoxidation) and prepared the blends in a ratio of 75:25 (BIIR:ENR), and from both blend based composites, a part of carbon black replaced with graphene nanoplatelets (GNP). The physical and thermal properties were compared for both binary blend nanocomposites to study the level of exfoliation and reinforcement behavior of GNP. Morphology studies were employed to reveal the level of interaction between GNP and carbon black in both blends. The influence of epoxidation in the formation of nanostructures in both blends have been evaluated, and the effect of nanostructures on air permeability properties was studied. The air impermeability of BIIR-ENR 50 nanocomposites were improved with increasing platelet concentration, a 30% improvement in air permeability is obtained for BIIR-ENR 50 composites over BIIR -ENR 25.
机译：最近已经探讨了纳米技术，作为提高常规弹性体的性能进行工程应用的手段。在目前的研究中，纳米填充物对溴化异丁烯 - 异戊二烯橡胶（BIIR）/环氧化天然橡胶（ENR）混合物的缺水性能的影响已经分析了汽车应用。选择的ENR ENR 25并赋予50（25％和50％的环氧化），并以75:25（BIIR：ENR）的比例制备共混物，并从两种混合物基复合材料中，炭黑的一部分用石墨烯纳米片（ GNP）。比较了物理和热性能，以研究二元混合物纳米复合材料，以研究GNP的去角质和增强行为水平。使用形态学研究揭示两个共混物中GNP和炭黑之间的相互作用水平。已经评估了环氧化在两种共混物中纳米结构形成的影响，研究了纳米结构对透气性能的影响。通过增加血小板浓度提高了BiiR-eN50纳米复合材料的空气不渗透性，在BiiR-enr 25上，获得了对BiiR-eN50复合材料的30％的透气性改善。

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