Medical high-strength PVC film and preparation method thereof
A high-strength, PVC resin powder technology, applied in the field of medical equipment, can solve the problems of unsuitable for large-scale production, short life of 3D printing paper, insufficient strength, etc., and achieve high production efficiency, high waterproof performance, and high antibacterial performance. Effect
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preparation example Construction
[0022] A preparation method for preparing a medical high-strength PVC film according to claim 1, comprising the steps of:
[0023] a. Mixing, put the raw materials into the high-speed mixer according to the mass parts for mixing and stirring, the mixing time is 260~320 seconds, and the temperature is 80~90°C;
[0024] b. Cold mixing, transporting the mixed components in step a to a low-speed cold mixing machine, stirring and cooling, and controlling the cold mixing temperature to ≤55°C;
[0025] c. Extrusion. Send the cold-mixed mixture into a planetary extruder for extrusion. The extrusion temperature is controlled at 145~165°C. The output is bright and twist-like clinker;
[0026] d. Filtration. Send the rubber material from the extruder to the three-layer filter for filtration. After receiving the rubber material from the extruder, it will be conveyed into cylindrical clinker after passing through the three-layer filter of 80 mesh, 60 mesh, and 80 mesh. For rolling machine...
Embodiment 1
[0032] A medical high-strength PVC film, prepared from the following raw materials in parts by weight: 100 parts of PVC resin powder, 0.8 parts of food-grade plasticizer, 3.0 parts of food-grade stabilizer, 1.5 parts of processing aid, 6 parts of reinforcing agent, 0.8 part of lubricant, 0.06 part of ultramarine blue pigment.
Embodiment 2
[0034] A medical high-strength PVC film, prepared from the following raw materials by weight: 100 parts of PVC resin powder, 1 part of food-grade plasticizer, 3.3 parts of food-grade stabilizer, processed 1.65 parts of auxiliary agent, 6.5 parts of reinforcing agent, 0.9 part of lubricant, 0.065 part of ultramarine blue pigment.
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Abstract
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