Process for preparing modified epoxy adhesive agent with nano powder
An epoxy adhesive and nano-powder technology, applied in the direction of adhesive, epoxy resin glue, adhesive type, etc., can solve the problems of complex process, environmental pollution, high cost, and achieve simple modification process, good comprehensive performance, easy to use effect of operation
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[0016] Example 1:
[0017] Weigh 0.3Kg of A component in the German Henkel epoxy adhesive (Pattex® Henkel Black & Decker), and add 6 g of nano SiO 2 , Uniformly mechanically mix, add 0.3Kg of component B, mix evenly, clean and blow dry the steel sheet polished with 150# metallographic sandpaper with acetone, and apply the nano-mixed adhesive on the two steel sheets. The pieces are glued together and cured in an oven at 50°C for 1 hour. Compared with unmodified, the drawing strength is increased by 3.3 times.
Example Embodiment
[0018] Example 2:
[0019] Weigh 0.4Kg of component B in Guanwei Super Epoxy EPO-530 epoxy adhesive, and add 8g of nano Al 2 O 3 , Mechanically stir and mix evenly, then add 0.4Kg of component A, the process is the same as in Example 1. The shear strength is doubled compared with the unmodified one.
Example Embodiment
[0020] Example 3:
[0021] 2g of nano Al 2 O 3 Put it in 140g of acetone, ultrasonically shake for 30-60 minutes, then mix with 0.2Kg of component A in Guanwei® SuperEpoxy EPO-530 epoxy adhesive, vortex the solvent for 10 minutes at 70℃, and add 0.2Kg of For component B, the process is the same as in Example 1. Its shear strength is 60% higher than that of unmodified.
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