超细活性碳酸钙补强脱酮肟型RTV_1硅橡胶的制备及性能.pdfVIP

　　　　　　　　　　　 　　　 　　　　　　　　　　　　　　　　　 2006 283 CHEMISTR AND ADHESION ·157 · RTV-1 李伟明, 　王　钰, 　周庶勤, 　曾幸荣 ( , 　510640) 　　:(RTV-1), 107 、、 RTV-1 。, 50000 mPa·s 107 、80 、10、22KH560, RTV -1 , 2.29MPa, 500%。 :;;;; :TQ 333.93　　　　　:A　　　　　:1001-0017(2006)03-0157-04 Preparation and Properties of Ketonic Oxime Type RTV-1 Silicone Rubber Reinforced with Ultrafine Activated CaCO3 LI Wei-ming, WANG u, ZHOU Shu-qin and Zeng Xing-rong (College of Materials Science and Eng ineering, South China University of Technology , Guangzhou 510640, China ) Ab stract:Ketonic oxime type room temperature vulcanized (RTV-1)silicone rubber was preparedwith ultrafineactivated CaCO as a reinforced filler.The 3 effects of viscosity of 107 silicone rubber, amount of ultrafine activated CaCO , cross-linking agent and coupling agent on properties of RTV-1 silicone rubber 3 were studied.It was found that ketonic oxime type RTV-1 silicone rubberwith good properties was prepared when the viscosity of 107 silicone rubber was 50000 MPa·s, the amount of ultrafine activated CaCO was 80 phr, methyl tributanoximo silanewas 10phr, vinyl tributanoximo silanewas 2phr and silane coupling agent 3 KH560was 2phr.The tensile strength and elongation at break of RTV-1 silicone rubber were 2.29 MPa and 500%respectively. Key word s:room temperature vulcanized silicone rubber;ketonic oxime type;ultrafine activated CaCO ;methyl tributanoximo silane;vinyl tributanoximo 3 silane