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Open AccessArticle

Correlation between the Crosslink Characteristics and Mechanical Properties of Natural Rubber Compound via Accelerators and Reinforcement

Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Korea
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Polymers 2020, 12(9), 2020; https://doi.org/10.3390/polym12092020
Received: 22 July 2020 / Revised: 27 August 2020 / Accepted: 1 September 2020 / Published: 4 September 2020
(This article belongs to the Special Issue Advances in Rubber Composites)
The extreme elasticity and reversible deformability of rubber, which is one of the most versatile polymers in modern society, is dependent on several factors, including the processing conditions, curing system, and types of additives used. Since the rubber’s mechanical properties are influenced by the existing structural crosslinks, their correlation with the crosslink characteristics of rubber was investigated using the equilibrium swelling theory of the Flory–Rehner equation and the rubber–filler interaction theory of the Kraus equation. Herein, we examined whether the accelerator and reinforcement agent quantitatively contributed to chemical cross-linkages and rubber–filler interaction. In conclusion, the accelerator content supported the chemically crosslinked structures of the monosulfides and the disulfides in natural rubber (NR). Additionally, these results demonstrated that the mechanical properties and the thermal resistance of NR were dependent on the crosslink characteristics. The findings of this study provide an insight into the development and application of NR products for the mechanical optimization of rubber-based products. View Full-Text
Keywords: natural rubber; crosslink characteristics; mechanical properties; thermal aging; accelerator; reinforcement agent natural rubber; crosslink characteristics; mechanical properties; thermal aging; accelerator; reinforcement agent
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MDPI and ACS Style

Kim, D.Y.; Park, J.W.; Lee, D.Y.; Seo, K.H. Correlation between the Crosslink Characteristics and Mechanical Properties of Natural Rubber Compound via Accelerators and Reinforcement. Polymers 2020, 12, 2020. https://doi.org/10.3390/polym12092020

AMA Style

Kim DY, Park JW, Lee DY, Seo KH. Correlation between the Crosslink Characteristics and Mechanical Properties of Natural Rubber Compound via Accelerators and Reinforcement. Polymers. 2020; 12(9):2020. https://doi.org/10.3390/polym12092020

Chicago/Turabian Style

Kim, Do Y.; Park, Jae W.; Lee, Dong Y.; Seo, Kwan H. 2020. "Correlation between the Crosslink Characteristics and Mechanical Properties of Natural Rubber Compound via Accelerators and Reinforcement" Polymers 12, no. 9: 2020. https://doi.org/10.3390/polym12092020

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