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60Co射线辐照对甲基苯基硅树脂结构和性能的影响-材料工程-北京
60 / 2009 5 60 Co Effect of 60 Co Ray Irradiat ion on Structure and Properties of Silicone Resins , , , ( , 100029) WU C aobo, JIA M engqiu, GAO Da ai, LI Wei ( College of Materials Science and Engineering, Beijing University of C emical T ec nology , Beijing 100029, C ina) 60 : Co ( FT IR) (T G) ( SEM) ( EIS) : 5 60 16 10 Gy , Co , 60 ; Co , , : ; ; ; : T Q0504 : A : 2009) 60 Abstract: At t e room temperature, t e effect of Co ray irradiation on t e structure and properties of silicone resins w as investigated in t e atmosp ere of air. T e unirradiated, irradiated silicone resin and its clear paints were analyzed by FTIR, T G, SEM, EIS etc . T e FTIR and TG analysis indica 60 ted t at Co ray irradiation induced t e rupture of side groups and crosslinking effect on silicone 5 resins w it in t e irradiation dose of 1610 Gy, resulting in an increase in t eir eat resistance. T e surface morp ology, mec anical properties, corrosion resistance and c emical resistance w ere not damaged under irradiation, proving t at t e synt esized silicone resins ave good irradiation resist ance. Key words: silicone resin; 60 Co ray irradiation; radiation resistance; electroc emical impedance spec trum , , , ,
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