Citation: Shu-yan Yang, Zhi-xin Jia, Lan Liu, Wei-wen Fu, De-min Jia, Yuan-fang Luo. Insight into Vulcanization Mechanism of Novel Binary Accelerators for Natural Rubber[J]. Chinese Journal of Polymer Science, ;2014, 32(8): 1077-1085. doi: 10.1007/s10118-014-1486-x shu

Insight into Vulcanization Mechanism of Novel Binary Accelerators for Natural Rubber

1.
Chemical Industrial Cleaner Production and Green Chemical R&
2.
College of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China

Received Date: 5 December 2013
Revised Date: 27 February 2014

Fund Project: This work was financially supported by the National Natural Science Foundation of China (Nos. 51003031 and 51303026) and Science Foundation for Universities and Institutions of Dongguan City (No. 2012108102008) and the Research Fund for the Doctoral Program of Dongguan University of Technology (No. ZJ121002).

A novel TU derivative, N-phenyl-N-(g-triethoxysilane)-propyl thiourea (STU), is prepared and its binary accelerator system is investigated in detail. Compared to the control references, the optimum curing time of NR compounds with STU is the shortest, indicating a more nucleophilic reaction occurs. The Py-GC/MS results present that the phenyl iso-thiocyanate fragment still remains in the NR/STU compounds with or without extracting treatment, but no silane segment can be found in the vulcanizate with extracting treatment. Vibrations of C=S, NH and aromatic ring in FTIR experiments and a new methyne carbon peak, as well as the peaks of phenyl group of STU, in the solid state 13C-NMR experiments are found in the NR/STU vulcanizate with extracting treatment. Moreover, the crosslinking density of vulcanizates with STU evolves to lower level, indicating the sulfur atom of STU does not contribute to the sulfur crosslinking. Therefore, a new vulcanization kinetic mechanism of STU is propounded that the thiourea groups can graft to the rubber main chains as pendant groups by chemical bonds during the vulcanization process, which is in accordance with the experimental observations quite well.
- Vulcanization mechanism,
- Thiourea,
- Natural rubber,
- Binary accelerators
1. [1]
2. [2]
3. [3]
4. [4]
5. [5]
6. [6]
7. [7]
8. [8]
9. [9]
10. [10]
11. [11]
12. [12]
13. [13]
14. [14]
15. [15]
16. [16]
17. [17]
18. [18]
19. [19]
20. [20]
21. [21]
22. [22]
23. [23]
24. [24]
25. [25]
26. [26]
27. [27]
28. [28]
29. [29]
30. [30]
31. [31]
1. [1]
  Guizhi Zhu , Junrui Tan , Longfei Tan , Qiong Wu , Xiangling Ren , Changhui Fu , Zhihui Chen , Xianwei Meng . Growth of CeCo-MOF in dendritic mesoporous organosilica as highly efficient antioxidant for enhanced thermal stability of silicone rubber. Chinese Chemical Letters, 2025, 36(1): 109669-. doi: 10.1016/j.cclet.2024.109669
2. [2]
  Ying Xu , Chengying Shen , Hailong Yuan , Wei Wu . Mapping multiple phases in curcumin binary solid dispersions by fluorescence contrasting. Chinese Chemical Letters, 2024, 35(9): 109324-. doi: 10.1016/j.cclet.2023.109324
3. [3]
  Lin Li , Bingjun Sun , Jin Sun , Lin Chen , Zhonggui He . Binary prodrug nanoassemblies combining chemotherapy and ferroptosis activation for efficient triple-negative breast cancer therapy. Chinese Chemical Letters, 2024, 35(10): 109538-. doi: 10.1016/j.cclet.2024.109538
4. [4]
  Chun-Yun Ding , Ru-Yuan Zhang , Yu-Wu Zhong , Jiannian Yao . Binary and heterostructured microplates of iridium and ruthenium complexes: Preparation, characterization, and thermo-responsive emission. Chinese Journal of Structural Chemistry, 2024, 43(10): 100393-100393. doi: 10.1016/j.cjsc.2024.100393
5. [5]
  Peng Chen , Lijuan Liang , Yufei Zhu , Zhimin Xing , Zhenhua Jia , Teck-Peng Loh . Strategies for constructing seven-membered rings: Applications in natural product synthesis. Chinese Chemical Letters, 2024, 35(6): 109229-. doi: 10.1016/j.cclet.2023.109229
6. [6]
  Xiaoliu Liang , Chunliu Huang , Hui Liu , Hu Chen , Jiabao Shou , Hongwei Cheng , Gang Liu . Natural hydrogel dressings in wound care: Design, advances, and perspectives. Chinese Chemical Letters, 2024, 35(10): 109442-. doi: 10.1016/j.cclet.2023.109442
7. [7]
  Yingjie Wang , Peng Tang , Wenchao Tu , Qi Gao , Cuizhu Wang , Luying Tan , Lixin Zhao , Hongye Han , Liefeng Ma , Kouharu Otsuki , Weilie Xiao , Wenli Wang , Jinping Liu , Yong Li , Zhajun Zhan , Wei Li , Xianli Zhou , Ning Li . Highly anticipated natural diterpenoids as an important source of new drugs in 2013–2023. Chinese Chemical Letters, 2025, 36(1): 109955-. doi: 10.1016/j.cclet.2024.109955
8. [8]
  Bharathi Natarajan , Palanisamy Kannan , Longhua Guo . Metallic nanoparticles for visual sensing: Design, mechanism, and application. Chinese Journal of Structural Chemistry, 2024, 43(9): 100349-100349. doi: 10.1016/j.cjsc.2024.100349
9. [9]
  Haowen Shang , Yujie Yang , Bingjie Xue , Yikai Wang , Zhiyi Su , Wenlong Liu , Youzhi Wu , Xinjun Xu . Efficient solution-processed near-infrared organic light-emitting diodes with a binary-mixed electron transport layer. Chinese Chemical Letters, 2025, 36(4): 110511-. doi: 10.1016/j.cclet.2024.110511
10. [10]
  Jia Chen , Yun Liu , Zerong Long , Yan Li , Hongdeng Qiu . Colorimetric detection of α-glucosidase activity using Ni-CeO₂ nanorods and its application to potential natural inhibitor screening. Chinese Chemical Letters, 2024, 35(9): 109463-. doi: 10.1016/j.cclet.2023.109463
11. [11]
  Deli Chen , Jiawen Li , Xudong Xu , Zhaocui Sun , Yun Yang , Minghui Xu , Hanqiao Liang , Junshan Yang , Hui Meng , Guoxu Ma , Jianhe Wei . Plant-microbial interactions inspired the discovery of novel sesquiterpenoid dimeric skeletons of hidden natural products from Hibiscus tiliaceus. Chinese Chemical Letters, 2024, 35(10): 109451-. doi: 10.1016/j.cclet.2023.109451
12. [12]
  Ying Gao , Rong Zhou , Qiwen Wang , Shaolong Qi , Yuanyuan Lv , Shuang Liu , Jie Shen , Guocan Yu . Natural killer cell membrane doped supramolecular nanoplatform with immuno-modulatory functions for immuno-enhanced tumor phototherapy. Chinese Chemical Letters, 2024, 35(10): 109521-. doi: 10.1016/j.cclet.2024.109521
13. [13]
  Zhilong Xie , Guohui Zhang , Ya Meng , Yefei Tong , Jian Deng , Honghui Li , Qingqing Ma , Shisong Han , Wenjun Ni . A natural nano-platform: Advances in drug delivery system with recombinant high-density lipoprotein. Chinese Chemical Letters, 2024, 35(11): 109584-. doi: 10.1016/j.cclet.2024.109584
14. [14]
  Haobo Wang , Fei Wang , Yong Liu , Zhongxiu Liu , Yingjie Miao , Wanhong Zhang , Guangxin Wang , Jiangtao Ji , Qiaobao Zhang . Emerging natural clay-based materials for stable and dendrite-free lithium metal anodes: A review. Chinese Chemical Letters, 2025, 36(2): 109589-. doi: 10.1016/j.cclet.2024.109589
15. [15]
  Zhexin Chen , Yuqing Shi , Fang Zhong , Kai Zhang , Furong Zhang , Shenghong Xie , Zhongbin Cheng , Qian Zhou , Yi-You Huang , Hai-Bin Luo . Discovery of amentoflavone as a natural PDE4 inhibitor with anti-fibrotic effects. Chinese Chemical Letters, 2025, 36(4): 109956-. doi: 10.1016/j.cclet.2024.109956
16. [16]
  Zirui Zhu , Peng Liu , Jinhua Wang , Hongbin Zhang , Wei Luo . Effects of nano-metakaolin on the enhanced properties and microstructure development of natural hydraulic lime. Chinese Chemical Letters, 2025, 36(4): 109794-. doi: 10.1016/j.cclet.2024.109794
17. [17]
  Yuan Dong , Mutian Ma , Zhenyang Jiao , Sheng Han , Likun Xiong , Zhao Deng , Yang Peng . Effect of electrolyte cation-mediated mechanism on electrocatalytic carbon dioxide reduction. Chinese Chemical Letters, 2024, 35(7): 109049-. doi: 10.1016/j.cclet.2023.109049
18. [18]
  Hongxia Li , Xiyang Wang , Du Qiao , Jiahao Li , Weiping Zhu , Honglin Li . Mechanism of nanoparticle aggregation in gas-liquid microfluidic mixing. Chinese Chemical Letters, 2024, 35(4): 108747-. doi: 10.1016/j.cclet.2023.108747
19. [19]
  Yixin Zhang , Ting Wang , Jixiang Zhang , Pengyu Lu , Neng Shi , Liqiang Zhang , Weiran Zhu , Nongyue He . Formation mechanism for stable system of nanoparticle/protein corona and phospholipid membrane. Chinese Chemical Letters, 2024, 35(4): 108619-. doi: 10.1016/j.cclet.2023.108619
20. [20]
  Jia Fu , Shilong Zhang , Lirong Liang , Chunyu Du , Zhenqiang Ye , Guangming Chen . PEDOT-based thermoelectric composites: Preparation, mechanism and applications. Chinese Chemical Letters, 2024, 35(9): 109804-. doi: 10.1016/j.cclet.2024.109804

Get Citation

PDF

XML

Metrics

PDF Downloads(0)
Abstract views(739)
HTML views(17)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142