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[Chemical Knowledge]：Production and manufacturing method and process flow of recycled ABS/PS

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The manufacturing method
of recycled ABS/PS
1. Introduction

With the rapid development of the plastics industry, the amount of waste plastics is also increasing year by year. The recycling of waste plastics has become a global problem. Among them, recycled ABS/PS as an important raw material for chemical production has a high utilization value. This paper will introduce a manufacturing method of regenerated ABS/PS.

2. Materials and Methods

1. Material

waste ABS/PS plastics, catalysts, stabilizers, antioxidants, etc.

2. Equipment

twin-screw extruder, pelletizer, oven, mixer, etc.

3. Manufacturing method

(1) Crushing and cleaning: The waste ABS/PS plastic is broken to obtain fragments of a certain size, and then cleaned to remove the oil and other impurities.

(2) Drying: Drying the cleaned debris to reduce its water content to a certain range.

(3) Ingredients: The dried fragments, catalyst, stabilizer, antioxidant, etc. are added to the mixer according to a certain proportion, and the mixture is fully mixed.

(4) Extrusion granulation: The compounded mixture is added to a twin-screw extruder, subjected to high-temperature melt extrusion, and then cut into pellets of a certain length by a pelletizer.

(5) Post-treatment: The extruded pellets are subjected to post-treatment such as cooling, sieving, and packaging to obtain a recycled ABS/PS product.

3. results and discussion

1. Product performance

After the above process, the regenerated ABS/PS product has good physical and mechanical properties, which can meet the requirements of most chemical production.

2. Process optimization

In order to improve the performance and output of the product, the process can be further optimized, such as adjusting the proportion of ingredients, increasing the extrusion temperature, changing the cutting length, etc.

3. Environmental protection and sustainability
The manufacturing process of
recycled ABS/PS meets the requirements of environmental protection and sustainability, which can not only reduce the impact of waste plastics on the environment, but also improve the utilization rate of resources.

4. Conclusion

This paper introduces a manufacturing method of recycled ABS/PS, which has the advantages of simple process, convenient operation and excellent product performance, and can provide an important source of recycled raw materials for chemical production. At the same time, the method also meets the requirements of environmental protection and sustainability, and has a good prospect of popularization and application.

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