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[Chemical Knowledge]：Manufacturing Method and Process Flow of PC/ABS Alloy

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PC/ABS alloy manufacturing method

PC/ABS alloy is a widely used engineering plastics, because of its excellent performance in the field of chemical production raw materials has an important position. This article will introduce the manufacturing method of PC/ABS alloy in detail.

1. Raw Material Preparation

1. Polycarbonate (PC): Select high molecular weight polycarbonate resin to improve the mechanical properties and thermal stability of the alloy.
2. Acrylonitrile-butadiene-styrene copolymer (ABS): ABS resin with good processability and impact resistance is selected.
3. Additives: As required, additives such as antioxidants, heat stabilizers, and ultraviolet absorbers can be used to improve the performance and service life of the alloy.

2. ingredients mixing

PC, ABS resin and additives in a certain proportion to the high-speed mixer, fully stirred. The mixing time is typically controlled to 5-10 minutes to ensure adequate dispersion and mixing of the components.

3. Melt Blending

The mixed raw materials are added to a twin screw extruder for melt blending. During the melt blending process, the temperature, rotation speed and feed rate of the extruder need to be controlled to ensure that the components are fully melted, mixed and dispersed. At the same time, it is necessary to remove the gas in the molten material through the vacuum degassing device to reduce the bubbles and cavities in the product.

4. granulation

melt blending material after cooling, cutting, PC/ABS alloy particles. During the pelletizing process, proper pelletizing speed and cooling water temperature should be maintained to ensure regular particle shape and uniform particle size.

5. quality inspection

the production of PC/ABS alloy particles quality inspection, including appearance, particle size distribution, mechanical properties, thermal stability and other aspects of the test. Ensure that products meet relevant standards and customer requirements.

6. packaging warehousing

will be qualified PC/ABS alloy particles for packaging, indicating the product name, specifications, production date and other information. After the packaging is completed, put the product into storage and wait for delivery.

In short, the manufacturing method of PC/ABS alloy needs to go through the steps of raw material preparation, ingredient mixing, melt blending, granulation, quality inspection and packaging storage. In the production process, it is necessary to strictly control the process parameters to ensure stable and reliable product quality. At the same time, it is also necessary to continuously optimize the production process according to market demand and customer feedback to improve the competitiveness and added value of products.

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