The Role of Non-Rubber Components on Molecular Network of Natural Rubber During Accelerated Storage
Though the non-rubber components have long been recognized to be a vital factor affecting the network of natural rubber (NR), the authentic role of non-rubber components on the network during accelerated storage has not been fully illuminated. This work attempts to clarify the impact of non-rubber c...
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doaj-ada9efcb5e744f14bc583118c27409832020-12-01T00:04:22ZengMDPI AGPolymers2073-43602020-11-01122880288010.3390/polym12122880The Role of Non-Rubber Components on Molecular Network of Natural Rubber During Accelerated StorageHuifeng Zhang0Lu Zhang1Xu Chen2Yueqiong Wang3Fuchun Zhao4Mingchao Luo5Shuangquan Liao6Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, Hainan University, Haikou 570228, ChinaSchool of Materials Science and Engineering, Hainan University, Haikou 570228, ChinaSchool of Materials Science and Engineering, Hainan University, Haikou 570228, ChinaSchool of Materials Science and Engineering, Hainan University, Haikou 570228, ChinaSchool of Materials Science and Engineering, Hainan University, Haikou 570228, ChinaSchool of Materials Science and Engineering, Hainan University, Haikou 570228, ChinaKey Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, Hainan University, Haikou 570228, ChinaThough the non-rubber components have long been recognized to be a vital factor affecting the network of natural rubber (NR), the authentic role of non-rubber components on the network during accelerated storage has not been fully illuminated. This work attempts to clarify the impact of non-rubber components on the network for NR during accelerated storage. A natural network model for NR was proposed based on the gel content, crosslinking density, and the non-rubber components distribution for NR before and after centrifugation. Furthermore, the effect of non-rubber components on the network was investigated during accelerated storage. The results show that terminal crosslinking induced by non-rubber components and entanglements are primary factors affecting the network formation during accelerated storage. By applying the tube model to analyze the stress-strain curves of NR, we found that the contribution of the entanglements to the network formation is larger than that of terminal crosslinking during accelerated storage. The work highlights the role of non-rubber components on the network during accelerated storage, which is essential for understanding the storage hardening mechanism of NR.https://www.mdpi.com/2073-4360/12/12/2880natural rubbernon-rubber componentsnetworkstorage hardening |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Huifeng Zhang Lu Zhang Xu Chen Yueqiong Wang Fuchun Zhao Mingchao Luo Shuangquan Liao |
spellingShingle |
Huifeng Zhang Lu Zhang Xu Chen Yueqiong Wang Fuchun Zhao Mingchao Luo Shuangquan Liao The Role of Non-Rubber Components on Molecular Network of Natural Rubber During Accelerated Storage Polymers natural rubber non-rubber components network storage hardening |
author_facet |
Huifeng Zhang Lu Zhang Xu Chen Yueqiong Wang Fuchun Zhao Mingchao Luo Shuangquan Liao |
author_sort |
Huifeng Zhang |
title |
The Role of Non-Rubber Components on Molecular Network of Natural Rubber During Accelerated Storage |
title_short |
The Role of Non-Rubber Components on Molecular Network of Natural Rubber During Accelerated Storage |
title_full |
The Role of Non-Rubber Components on Molecular Network of Natural Rubber During Accelerated Storage |
title_fullStr |
The Role of Non-Rubber Components on Molecular Network of Natural Rubber During Accelerated Storage |
title_full_unstemmed |
The Role of Non-Rubber Components on Molecular Network of Natural Rubber During Accelerated Storage |
title_sort |
role of non-rubber components on molecular network of natural rubber during accelerated storage |
publisher |
MDPI AG |
series |
Polymers |
issn |
2073-4360 |
publishDate |
2020-11-01 |
description |
Though the non-rubber components have long been recognized to be a vital factor affecting the network of natural rubber (NR), the authentic role of non-rubber components on the network during accelerated storage has not been fully illuminated. This work attempts to clarify the impact of non-rubber components on the network for NR during accelerated storage. A natural network model for NR was proposed based on the gel content, crosslinking density, and the non-rubber components distribution for NR before and after centrifugation. Furthermore, the effect of non-rubber components on the network was investigated during accelerated storage. The results show that terminal crosslinking induced by non-rubber components and entanglements are primary factors affecting the network formation during accelerated storage. By applying the tube model to analyze the stress-strain curves of NR, we found that the contribution of the entanglements to the network formation is larger than that of terminal crosslinking during accelerated storage. The work highlights the role of non-rubber components on the network during accelerated storage, which is essential for understanding the storage hardening mechanism of NR. |
topic |
natural rubber non-rubber components network storage hardening |
url |
https://www.mdpi.com/2073-4360/12/12/2880 |
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