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Volume 23
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10.3390/ijms23168880
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Article

Influence of Clones on Relationship between Natural Rubber and Size of Rubber Particles in Latex

by
Simin He
1,2,
Fuquan Zhang
1,3,
Fengshou Gu
2,
Tianqi Zhao
2,
Yanfang Zhao
2,
Lusheng Liao
1,3,* and
Xiaoxue Liao
2,*
1
Key Laboratory of Tropical Crop Products Processing of Ministry of Agriculture and Rural Affairs, Agricultural Products Processing Research Institute of Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524001, China
2
School of Materials Science and Engineering, Hainan University, Haikou 570228, China
3
Hainan Provincial Key Laboratory of Natural Rubber Processing, Zhanjiang 524001, China
*
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2022, 23(16), 8880; https://doi.org/10.3390/ijms23168880
Submission received: 12 July 2022 / Revised: 27 July 2022 / Accepted: 2 August 2022 / Published: 10 August 2022
(This article belongs to the Special Issue Polymeric Materials from Chemistry, Functional and Biological Characterization to Applications)
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Abstract

IAN873, Dongfang93114 and Reyan73397, created through vegetative propagation for their high yield and excellent cold resistance, are major clones planted in China. In this work, latexes with rubber particles of the same size from these clones are separated from fresh natural rubber latex, and corresponding rubber films are prepared from each latex. The structure and components of each film are measured. This indicates that the characteristics of the rubbers obtained from latexes with similar particle sizes show some resembling trends among different clones, while for specific samples, those characteristics vary depending on the clone. The molecular weight is generally highest in IAN873 and lowest in Reyan73397. Rubber chains in small rubber particles are longer, and large rubber particles show a wider molecular weight distribution. The gel content of every sample from Reyan73397 is lower than the other two clones. The nitrogen content increases with the size of rubber particles in all clones. The ester content of small rubber particles in IAN873 and Reyan73397 is almost zero. Large rubber particles have more branching points formed via esters. This study provides a new perspective on the influence of clones on the relationship between characteristics of natural rubber and the size of rubber particles in natural rubber latex.
Keywords: clone; rubber particle size; molecular weight; nonrubber component content clone; rubber particle size; molecular weight; nonrubber component content

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MDPI and ACS Style

He, S.; Zhang, F.; Gu, F.; Zhao, T.; Zhao, Y.; Liao, L.; Liao, X. Influence of Clones on Relationship between Natural Rubber and Size of Rubber Particles in Latex. Int. J. Mol. Sci. 2022, 23, 8880. https://doi.org/10.3390/ijms23168880

AMA Style

He S, Zhang F, Gu F, Zhao T, Zhao Y, Liao L, Liao X. Influence of Clones on Relationship between Natural Rubber and Size of Rubber Particles in Latex. International Journal of Molecular Sciences. 2022; 23(16):8880. https://doi.org/10.3390/ijms23168880

Chicago/Turabian Style

He, Simin, Fuquan Zhang, Fengshou Gu, Tianqi Zhao, Yanfang Zhao, Lusheng Liao, and Xiaoxue Liao. 2022. "Influence of Clones on Relationship between Natural Rubber and Size of Rubber Particles in Latex" International Journal of Molecular Sciences 23, no. 16: 8880. https://doi.org/10.3390/ijms23168880

APA Style

He, S., Zhang, F., Gu, F., Zhao, T., Zhao, Y., Liao, L., & Liao, X. (2022). Influence of Clones on Relationship between Natural Rubber and Size of Rubber Particles in Latex. International Journal of Molecular Sciences, 23(16), 8880. https://doi.org/10.3390/ijms23168880

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