Manufacturing method for improving attraction of rubber extrusion magnetic strip
A manufacturing method and rubber technology, applied in the direction of chemical instruments and methods, layered products, synthetic resin layered products, etc., can solve the problems of increased volume of anti-rust layer, limitation of cross-sectional shape of products, increased volume, etc.
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Embodiment 1
[0031] 1) Put 10kg of isotropic ferrite magnetic powder, 1.2kg of chlorinated polyethylene, and 200g of additives into the internal mixer and stir evenly, then pressurize the rubber to about 140°C, and pour out the boiling water with a roller temperature of 70~100°C. Mix the rubber with the mill for 5 minutes, and then use a crusher to crush it into rubber particles with a particle size below 10mm for later use;
[0032] 2) Put 10kg of iron powder, 1.1kg of chlorinated polyethylene, and 200g of additives into the internal mixer and stir evenly, then pressurize the rubber to about 115°C, pour it out and use an open mixer with a roller temperature of 70~100°C Glue for 3 to 5 minutes, and then use a crusher to break into colloidal particles with a particle size of less than 10mm for later use;
[0033] 3) Put the pellets of step 1) and step 2) into the extruder at the same time for co-extrusion;
[0034] 4) Cooling and shaping;
[0035] 5) The final size of the product adjusted...
Embodiment 2
[0039] 1) Put 10kg of NdFeB powder, 1kg of chlorinated polyethylene, and 200g of additives into the internal mixer and mix evenly, pressurize the rubber to about 110°C, pour out the kneading with a roller temperature of 50~60°C Mix the rubber by machine for 3 minutes, and then use a crusher to crush it into rubber particles with a particle size below 10mm for later use;
[0040] 2) Put 10kg of iron powder, 1.1kg of chlorinated polyethylene, and 200g of additives into the internal mixer and stir evenly, pressurize the rubber to about 115°C, and pour it out of the open mixer with a roller temperature of 70~100°C Mix the rubber for 3~5 minutes, and then use a crusher to crush it into rubber particles with a particle size of less than 10mm for later use;
[0041] 3) Put the pellets of step 1) and step 2) into the extruder at the same time for co-extrusion;
[0042] 4) Cooling and shaping;
[0043] 5) The final size of the product adjusted in the above extrusion process is 1.5mm ...
Embodiment 3
[0047] 1) Put 10k of heterosexual ferrite magnetic powder, 1.1kg of EVA, and 200g of additives into the internal mixer and stir evenly, pressurize the rubber to about 110°C, and pour it out using an open mixer with a roller temperature of 50~60°C Mix the rubber for 3 minutes, and then use a crusher to crush it into rubber particles with a particle size below 10mm for later use;
[0048] 2) Put 10kg of iron concentrate powder, 1.1kg of EVA, and 200g of additives in an internal mixer and stir evenly, pressurize the rubber to about 115°C, pour out the rubber with an open mill with a roller temperature of 70~100°C 3 to 5 minutes, and then use a crusher to crush into colloidal particles with a particle size below 10mm for later use;
[0049]3) Put the pellets of step 1) and step 2) into the extruder at the same time for co-extrusion;
[0050] 4) Cooling and shaping;
[0051] 5) The final size of the product adjusted by the above extrusion process is 1.5mm in thickness, 25.4mm in ...
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