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采用共混填充法制备了MQ硅树脂增强的粘结炸药用室温硫化硅橡胶(RTV)胶粘剂,测试结果表明:该胶粘剂粘结炸药时,其剪切强度明显提高,由1MPa左右增加到3.2MPa。同时选用扫描电子显微镜(SEM)来表征MQ硅树脂的分散性,结果显示:填充10%左右MQ硅树脂时,其在RTV胶粘剂中分散均匀,补强效果最好。
The room temperature vulcanized silicone rubber (RTV) adhesive made of MQ silicone resin enhanced bond explosive was prepared by blending and filling method. The test results show that the shear strength of the adhesive bonded explosive increases obviously from about 1MPa to 3.2MPa . At the same time, the dispersibility of MQ silicone was characterized by scanning electron microscopy (SEM). The results showed that MQ silicone resin dispersed in RTV adhesive with the best reinforcing effect when filled with about 10% MQ silicone resin.