Chemistry and Industry of Forest Products ›› 2021, Vol. 41 ›› Issue (4): 42-50.doi: 10.3969/j.issn.0253-2417.2021.04.007
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Xinxin YANG1,2(), Zhaoyu JIANG2, He LIU2, Xujuan HUANG1, Zhaosheng CAI1,*(), Shibin SHANG2
Received:
2020-10-14
Online:
2021-08-28
Published:
2021-08-31
Contact:
Zhaosheng CAI
E-mail:yangxx0316@163.com;jsyc_czs@163.com
CLC Number:
Xinxin YANG, Zhaoyu JIANG, He LIU, Xujuan HUANG, Zhaosheng CAI, Shibin SHANG. Preparation and Characterization of Room Temperature Vulcanized Silicone Rubber Cross-linked by TiO2 Modified Dehydroabietic Acid[J]. Chemistry and Industry of Forest Products, 2021, 41(4): 42-50.
Table 1
The formulation of TiO2-DAG/RTVSR"
样品 sample | 交联剂cross-linking agent | TiO2/g | TiO2量/% TiO2amount | |
DAG/g | TEOS/g | |||
RTVSR | 0 | 2.70 | 0 | 0 |
DAG/RTVSR-1 | 1.70 | 2.25 | 0 | 0 |
DAG/RTVSR-2 | 3.53 | 1.75 | 0 | 0 |
DAG/RTVSR-3 | 5.50 | 1.22 | 0 | 0 |
DAG/RTVSR-4 | 7.65 | 0.64 | 0 | 0 |
TiO2-DAG/RTVSR-1 | 5.05 | 1.19 | 0.3 | 1 |
TiO2-DAG/RTVSR-2 | 5.05 | 1.19 | 0.9 | 3 |
TiO2-DAG/RTVSR-3 | 5.05 | 1.19 | 1.5 | 5 |
TiO2-DAG/RTVSR-4 | 5.05 | 1.19 | 2.1 | 7 |
TiO2-DAG/RTVSR-5 | 5.05 | 1.19 | 2.7 | 9 |
7%TiO2-RTVSR | 0 | 2.70 | 2.1 | 7 |
Fig.4
Stress-strain curves of RTVSR with DAG crosslinking agent(a) and TiO2 modified DAG crosslinking agent(b) 1. RTVSR; 2. DAG/RTVSR-1;3. DAG/RTVSR-2;4. DAG/RTVSR-3;5. DAG/RTVSR-4, 6. TiO2-DAG/RTVSR-I; 7. TiO2-DAG/RTVSR-2;8. TiO2-DAG/RTVSR-3;9. TiO2-DAG/RTVSR-4;10. TiO2-DAG/RTVSR-5;11. 7% TIO-RTVSR"
Table 2
Density, swelling degree and shore hardness of silicone rubber"
样品 sample | 密度/(g·cm-3) density | 溶胀度/% swelling degree | 邵氏硬度/A shore hardness |
RTVSR | 0.9833±0.002 | 25.3±0.20 | 18.1±0.50 |
DAG/RTVSR-3 | 1.0116±0.003 | 24.5±0.12 | 25.0±0.20 |
TiO2-DAG/RTVSR-1 | 1.0172±0.001 | 24.2±0.15 | 29.0±0.25 |
TiO2-DAG/RTVSR-2 | 1.0281±0.003 | 23.8±0.21 | 31.0±0.32 |
TiO2-DAG/RTVSR-3 | 1.0348±0.002 | 23.6±0.18 | 32.9±0.24 |
TiO2-DAG/RTVSR-4 | 1.0433±0.004 | 23.3±0.30 | 35.0±0.25 |
TiO2-DAG/RTVSR-5 | 1.0402±0.002 | 23.5±0.20 | 34.8±0.16 |
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