甲基丙烯酸处理活性硅酸钙填充硅橡胶的性能

doi:10.11896/j.issn.1005-023X.2018.18.029

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Abstract The methacrylic acid (MAA) reagent and the active calcium silicate (ACS) slurry interacted with each other in an autoclave reaction vessel at a certain temperature to obtain dry MAA-ACS powder. The MAA-ACS powder was added to a silicone rubber to improve its properties. The MAA-ACS powder composition and morphology were characterized by XRD and SEM. The thermal properties of the silicone rubber were studied by TG and DSC. The mechanical properties and the influencing mechanism were also analyzed by the tensile and swelling tests. The results showed that the morphology and microstructure of the MAA-ACS powder were different with the usual ACS. After adding 5% MAA-ACS powder, the main decomposition temperature, initial temperature and final decomposition temperatures of the silicone rubber were increased by 76.6 ℃,33.6 ℃ and 108.6 ℃ respectively. The tensile strength, elongation at break and crosslinking density of the silicone rubber were improved with the addition of MAA-ACS powder.

Key words： activated calcium silicate methacrylic acid silicone rubber

Published: 18 October 2018

CLC number:

:TB332

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	Articles by authors
	CHENG Zhaoxia
	PENG Xiaoqin
	JI Xiaoli
	ZENG Lu

Cite this article:

CHENG Zhaoxia,PENG Xiaoqin,JI Xiaoli, et al. Properties of Activated Calcium Silicate Filled Silicone Rubber Treated with Methacrylic Acid[J]. Materials Reports, 2018, 32(18): 3261-3265.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.18.029 OR http://www.mater-rep.com/EN/Y2018/V32/I18/3261

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