NDLI: Processing rheological behavior of functionalized silica/natural rubber composites

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Processing rheological behavior of functionalized silica/natural rubber composites

Content Provider	Scilit
Author	Hao, Zhi Lu, Xuefeng Shen, Zong Shen, Junqi Sheng, Xiang Luo, Zhu Zheng, Qiang
Copyright Year	2019
Description	Journal: Materials Research Express The filler networks of natural rubber (NR) silica-filled coupling agents KH560, Si69, and NXT were studied using a rubber processing analyzer (RPA). The effects of different coupling agents on the rheological behavior of silica-filled NR were investigated. The results showed that the three types of coupling agents could control the surface properties of silica, diminish the silica network, reduce the storage modulus and loss modulus, weaken the Payne effect, and improve processability. A comprehensive modification effect was observed for the coupling agent NXT. Different modified silica loading scenarios assessed the rheological properties of natural rubber composites from natural rubber filled with silica modified by the silane coupling agent NXT. The Payne effects were more obvious with the increased loading of fillers, while G' and G'' nonlinearly rose with the increase of frequency. Finally, the platform effect appeared, demonstrating the shear thinning phenomenon. The best compatibility and minimum extent of flocculation of silica was obtained from the composite filled with 50 phr silica.
Related Links	https://iopscience.iop.org/article/10.1088/2053-1591/ab1c17/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/ab1c17
Journal	Materials Research Express
Issue Number	8
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2019-04-24
Access Restriction	Open
Subject Keyword	Journal: Materials Research Express Composite Materials
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Metals and Alloys Biomaterials Electronic, Optical and Magnetic Materials Polymers and Plastics

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