Laser two-dimensional code ear tag modification material special for breeding stock and preparation method
A technology of laser two-dimensional codes and modified materials, which is applied in the field of modified materials and preparation of laser two-dimensional code ear tags for breeding animals, which can solve the problems of ear tags that are easy to be brittle, broken, fall off, and affect the breeding management of breeding animals, and achieve reduction Decrease in the mechanical properties of plastics, improve weather resistance, and enhance the effect of laser processing performance
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Embodiment 2
[0025] Embodiment 2 of the present invention. The modified material of laser two-dimensional code ear tag for breeding stock, a better solution is that its weight ratio is:
[0026] 97.6-98.3 parts of polyurethane, 1.9-2.1 parts of antimony trioxide,
[0027] 0.02 parts of dispersant, 0.07-0.08 parts of coupling agent.
[0028] The dispersant used is basf wax, the specific model is luwax EVA3 or Luwax op, and the coupling agent is titanate.
[0029] The production process is as in Example 1.
Embodiment 3
[0030] Embodiment 3 of the present invention. The modified material of laser two-dimensional code ear tag for breeding stock, the optimal ratio is:
[0031] 97.9 parts of polyurethane, 2 parts of antimony trioxide,
[0032] Basf wax (luwax EVA3) 0.02 parts, titanate (LG-144) 0.08 parts.
[0033] The preparation method is as follows, a. According to the above weight ratio, weigh 20% of the total weight of polyurethane, add antimony trioxide, basf wax (luwax EVA3) and titanate (LG-144), in a high-speed mixer or continuous modification Heat and stir in the unit equipment, the heating temperature is 175°, and the time is 1 hour. After fully mixing, add it to the twin-screw extruder, granulate and shape it through the water ring granulation equipment, and obtain A product after dehumidification by the dryer.
[0034] b. Weigh the remaining polyurethane in the formula, add the produced product A, stir in a high-speed mixer, mix thoroughly, add to the twin-screw extruder, granulate...
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