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非橡胶成分对不同克隆未硫化天然橡胶性能的影响。

Influence of Non-Rubber Components on the Properties of Unvulcanized Natural Rubber from Different Clones.

作者信息

Lehman Nussana, Tuljittraporn Akarapong, Songtipya Ladawan, Uthaipan Nattapon, Sengloyluan Karnda, Johns Jobish, Nakaramontri Yeampon, Kalkornsurapranee Ekwipoo

机构信息

Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat-Yai 90110, Thailand.

Center of Excellence in Bio-Based Materials and Packaging Innovation, Program of Packaging and Materials Technology, Faculty of Agro-Industry, Prince of Songkla University, Hat-Yai 90110, Thailand.

出版信息

Polymers (Basel). 2022 Apr 26;14(9):1759. doi: 10.3390/polym14091759.

DOI:10.3390/polym14091759
PMID:35566931
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9105264/
Abstract

Natural rubber from different clones, namely RRIM600, RRIT251, PB235 and BPM24, exhibit unique properties. The influences of the various fresh natural rubber latex and cream concentrated latex on the non-rubber components related properties were studied. It was found that the fresh natural rubber latex exhibited differences in their particle size, which was attributed to the non-rubber and unique signature of clones which affect various properties. Meanwhile, the cream concentrated latex showed the protein contents, surface tension, and color of creamed latex to be lower than the fresh natural latex. However, TSC, DRC, viscosity, particle size and green strength of concentrated latex were found to be higher than the fresh natural latex. This is attributed to the incorporation of HEC molecules. Also, the rubber particle size distribution in the RRIM600 clone exhibited a large particle size and uniform distribution, showing good mechanical properties when compared to the other clones. Furthermore, the increased green strength in the RRIM600 clone can be attributed to the crystallization of the chain on straining and chain entanglement. These experimental results may provide benefits for manufacturing rubber products, which can be selected from a suitable clone.

摘要

来自不同克隆品系的天然橡胶，即RRIM600、RRIT251、PB235和BPM24，具有独特的性能。研究了各种新鲜天然橡胶乳胶和浓缩胶乳对非橡胶成分相关性能的影响。结果发现，新鲜天然橡胶乳胶的粒径存在差异，这归因于影响各种性能的克隆品系的非橡胶成分和独特特征。同时，浓缩胶乳的蛋白质含量、表面张力和颜色均低于新鲜天然乳胶。然而，浓缩胶乳的总固体含量（TSC）、干胶含量（DRC）、粘度、粒径和生胶强度均高于新鲜天然乳胶。这归因于羟乙基纤维素（HEC）分子的加入。此外，RRIM600克隆品系中的橡胶粒径分布呈现出粒径大且分布均匀的特点，与其他克隆品系相比，其机械性能良好。此外，RRIM600克隆品系中生胶强度的提高可归因于应变时链的结晶和链缠结。这些实验结果可能为橡胶产品的制造提供益处，可从合适的克隆品系中进行选择。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/0129b8f7adec/polymers-14-01759-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/0c3572f1d3a5/polymers-14-01759-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/66278dc6fdef/polymers-14-01759-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/a601c32bbc9c/polymers-14-01759-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/b34d0ff887e0/polymers-14-01759-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/59e5712ba387/polymers-14-01759-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/fc2c17436d27/polymers-14-01759-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/f0a148b85a85/polymers-14-01759-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/1ff3e6fa5ca9/polymers-14-01759-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/1f60128b0299/polymers-14-01759-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/0129b8f7adec/polymers-14-01759-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/0c3572f1d3a5/polymers-14-01759-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/66278dc6fdef/polymers-14-01759-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/a601c32bbc9c/polymers-14-01759-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/b34d0ff887e0/polymers-14-01759-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/59e5712ba387/polymers-14-01759-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/fc2c17436d27/polymers-14-01759-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/f0a148b85a85/polymers-14-01759-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/1ff3e6fa5ca9/polymers-14-01759-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/1f60128b0299/polymers-14-01759-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/114d/9105264/0129b8f7adec/polymers-14-01759-g010.jpg

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