Citation
Clarke J., . and Mazlina M. K., . and Ibrahim I., . Increasing the interaction between starch and the rubber matrix by coupling agent addition. pp. 139-161. ISSN 1511-1768
Abstract
A previous study showed that the modulus of a starch filled natural rubber (NR) compound was low compared to the carbon black filled compound and probably insufficient for many engineering applications. Hence it was considered interesting to determine whether coupling agents such as bis-(3-triethoxysilylpropyl) tetrasulfane (TESPT)/Si 69 polybutadiene maleic anhydride (PBMAH) and resorcinol formaldehyde (RFH) resin with a methylene donor could improve starch filled vulcanisate properties particularly by increasing the modulus. In this study TESPT/Si 69 (5 p.h.r.) PBMAH (5 p.h.r.) and RF/HMT (3 p.h.r./2 p.h.r.) were used as coupling agents in the starch filled compounds. It was observed that the rubber adhesion was increased by adding PBMAH and RFH coupling agents and as a result the stiffness and the elasticity increased whilst the water absorption decreased.
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Abstract
A previous study showed that the modulus of a starch filled natural rubber (NR) compound was low compared to the carbon black filled compound and probably insufficient for many engineering applications. Hence it was considered interesting to determine whether coupling agents such as bis-(3-triethoxysilylpropyl) tetrasulfane (TESPT)/Si 69 polybutadiene maleic anhydride (PBMAH) and resorcinol formaldehyde (RFH) resin with a methylene donor could improve starch filled vulcanisate properties particularly by increasing the modulus. In this study TESPT/Si 69 (5 p.h.r.) PBMAH (5 p.h.r.) and RF/HMT (3 p.h.r./2 p.h.r.) were used as coupling agents in the starch filled compounds. It was observed that the rubber adhesion was increased by adding PBMAH and RFH coupling agents and as a result the stiffness and the elasticity increased whilst the water absorption decreased.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | Rubber |
| AGROVOC Term: | Starch |
| AGROVOC Term: | Polymers |
| AGROVOC Term: | Vulcanization |
| AGROVOC Term: | Tensile strength |
| AGROVOC Term: | Mechanical properties |
| AGROVOC Term: | Elasticity |
| Geographical Term: | Malaysia |
| Depositing User: | Ms. Suzila Mohamad Kasim |
| Last Modified: | 28 Apr 2025 02:32 |
| URI: | http://webagris.upm.edu.my/id/eprint/23031 |
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