| Application of Calcium Sulfate Whisker in Room Temperature VulcanizedSilicone Rubber Compounds |
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| DOI： |
| Key Words: calcium sulfate whisker；silicone rubber；structure；physical properties |
| Author Name | Affiliation | | WANG Jin-cheng | Shanghai University of Engineering Science | | XUE Ye | Shanghai University of Engineering Science | | CANG Shi-jiao | Shanghai University of Engineering Science | | YANG Ke | Shanghai University of Engineering Science |
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| Abstract: |
| The influence of preparation method and addition level of calcium sulfate whisker on the properties of room temperature vulcanized silicone rubber/calcium sulfate whisker composite was investigated.The results showed that，as the addition level of calcium sulfate whisker was 10 phr，the physical properties of composite were improved significantly.The SEM analysis result showed that，the calcium sulfate whisker prepared by gas desulfurization method possessed more impurities，and was dispersed unevenly in silicone rubber；the calcium sulfate whisker prepared by carbide slag method had better integrated internal structure,and was dispersed uniformly in silicone rubber.As the addition level of calcium sulfate whisker increased，the viscosity of silicone rubber increased.The TG analysis result showed that，compared with gas desulfurization method，the calcium sulfate whisker prepared by carbide slag method provided the composite better thermal stability. |
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