| 可瓷化硅橡胶的制备与性能 |
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| 引用本文： | 邵海彬,张其土,吴丽,王庭慰. 可瓷化硅橡胶的制备与性能[J]. 南京工业大学学报(自然科学版), 2011, 33(1): 48-51. DOI: 10.3969/j.issn.1671-7627.2011.01.010 |
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| 作者姓名： | 邵海彬 张其土 吴丽 王庭慰 |
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| 作者单位： | 1. 南京工业大学,材料科学与工程学院,江苏,南京,210009
2. 南京工业大学,材料科学与工程学院,江苏,南京,210009;南京工业大学,江苏省无机及其复合新材料重点实验室,江苏,南京,210009 |
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| 基金项目： | 江苏省科技厅重点基金资助项目，江苏省无机及其复合新材料重点实验室资助项目，江苏省研究生科研创新计划项目 |
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| 摘 要： | 以硅橡胶为基材、低软化点玻璃粉为成瓷填料,采用双辊开炼的方法制备一种可瓷化硅橡胶复合材料。研究玻璃粉用量对复合材料拉伸性能及瓷化性能的影响。结果表明:玻璃粉用量对复合体系的拉伸强度影响较小,在6~7 MPa间波动,对体系的断裂伸长率有显著影响,从约180%下降到110%;玻璃粉用量较大时,瓷化温度从750℃迅速下降到600℃;玻璃粉用量增加可提高低温瓷化物的抗热冲击性。扫描电镜观察结果表明:瓷化物内部存在大量气孔,导致试样的致密性均较差。
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| 关 键 词： | 硅橡胶 瓷化 热冲击 致密性 |
Preparation and properties of ceramifying silicone rubber |
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| SHAO Haibin,ZHANG Qitu,WU Li,WANG Tingwei. Preparation and properties of ceramifying silicone rubber[J]. Journal of Nanjing University of Technology, 2011, 33(1): 48-51. DOI: 10.3969/j.issn.1671-7627.2011.01.010 |
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| Authors: | SHAO Haibin ZHANG Qitu WU Li WANG Tingwei |
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| Affiliation: | 1(1.College of Materials Science and Engineering,Nanjing University of Technology,Nanjing 210009,China;2.Jiangsu Provincial Key Laboratory of New Materials of Inorganic and its Composites,Nanjing University of Technology,Nanjing 210009,China) |
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| Abstract: | Ceramifying silicone rubber was prepared by blending silicone rubber and low softening point glass frit on a two roll mill.The effects of the glass frit on the tensile properties,ceramifying temperature,thermal shock resistance and compactness were investigated.The elongation at break of silicone rubber/glass decreased from about 180% to 110% with glass increasing,while the tensile strength was a little change between 6-7 MPa,and ceramifying temperature decreased from 750 ℃ to 600 ℃ with glass increasing.Thermal shock resistance could be improved with glass increasing.The scanning electron microscopy analysis showed that there were many pores in the ceramic residue,thus resulting in a bad compactness. |
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| Keywords: | silicone rubber ceramifying thermal shock compactness |
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