Journal
JOURNAL OF ELASTOMERS AND PLASTICS
Volume 44, Issue 1, Pages 55-66Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0095244311414161
Keywords
calcium sulfate whisker; room-temperature-vulcanized silicone rubber; structure; properties
Funding
- National Natural Science Funds [50803034]
- Shu Guang project [10SG53]
- Shanghai Municipal Education Commission
- Shanghai Education Development Foundation
- Shanghai Nano-project Funds [0952nm02600]
- Shanghai Universities Knowledge Innovation Engineering Project [JZ0904]
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Novel room-temperature-vulcanized silicone rubber/calcium sulfate whisker composites have been prepared. Properties such as viscosity, hardness, tensile strength, elongation at break, and thermal stability were researched and compared. A combination of scanning electronic microscopy studies was used to characterize the structure and reinforcing mechanism of calcium sulfate whisker. Results showed that the addition of 10% calcium sulfate whisker-Y into room-temperature-vulcanized composites improved the tensile strength from 4.2 to 5.0 MPa and elongation at break from 210 to 590%. In addition, some improvement in thermal stability was obtained between 350 and 700 degrees C for room-temperature-vulcanized systems.
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