Preparation process of transparent PVC (polyvinyl chloride) cold-bending electrical conduit
A technology for the preparation of electrical bushings, which is applied in the field of preparation of transparent PVC electrical bushings, can solve the problems of high cost of ingredients, complex ingredients, and complicated processes, and achieve the effect of low cost of ingredients and simple ingredients
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Embodiment 1
[0026] A preparation process of a transparent PVC cold-formed electrical casing, comprising the following steps:
[0027] (1) Mix PVC resin powder, flaky methyl tin stabilizer, flaky polyethylene wax, and granular stearic acid in a mass ratio of 100:1.2:0.8:0.8 to obtain a PVC resin mixture, of which PVC The type of resin powder is S-1000 or S-5;
[0028](2) Add the PVC resin mixture obtained in step (1) into a high-speed mixer, stir and mix at a high speed for 23 minutes under heating conditions, and the stirring speed of the high-speed mixer is 800r / min, specifically, the PVC resin in the high-speed mixer The temperature of the mixture rises from room temperature to 147°C, and the time it takes for the temperature to rise from room temperature to 147°C is 23 minutes, that is, high-speed stirring and mixing for 23 minutes. During the heating and stirring process, the raw material components in the PVC resin mixture collide, rub and Melt and mix;
[0029] (3) Transfer the PV...
Embodiment 2
[0034] A preparation process of a transparent PVC cold-formed electrical casing, comprising the following steps:
[0035] (1) Mix PVC resin powder, flaky methyl tin stabilizer, flaky polyethylene wax, and granular stearic acid in a mass ratio of 100:1.2:0.8:0.8 to obtain a PVC resin mixture, of which PVC The type of resin powder is S-1000 or S-5;
[0036] (2) Add the PVC resin mixture obtained in step (1) into a high-speed mixer, stir and mix at a high speed for 25 minutes under heating conditions, and the stirring speed of the high-speed mixer is 800r / min, specifically, the PVC resin in the high-speed mixer The temperature of the mixture is raised from room temperature to 145°C, and the time it takes for the temperature to rise from room temperature to 145°C is 25 minutes, that is, high-speed stirring and mixing for 25 minutes. During the heating and stirring process, the raw materials in the PVC resin mixture collide, rub and Melt and mix;
[0037] (3) Transfer the PVC res...
Embodiment 3
[0042] A preparation process of a transparent PVC cold-formed electrical casing, comprising the following steps:
[0043] (1) Mix PVC resin powder, flaky methyl tin stabilizer, flaky polyethylene wax, and granular stearic acid in a mass ratio of 100:1.2:0.8:0.8 to obtain a PVC resin mixture, of which PVC The type of resin powder is S-1000 or S-5;
[0044] (2) Add the PVC resin mixture obtained in step (1) into a high-speed mixer, stir and mix at a high speed for 27 minutes under heating conditions, and the stirring speed of the high-speed mixer is 800r / min, specifically, the PVC resin in the high-speed mixer The temperature of the mixture is raised from room temperature to 143°C, and the time it takes for the temperature to rise from room temperature to 143°C is 27 minutes, that is, high-speed stirring and mixing for 27 minutes. During the heating and stirring process, the raw materials in the PVC resin mixture collide, rub and Melt and mix;
[0045] (3) Transfer the PVC res...
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