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[Chemical Knowledge]：Production method and process of ethylene tar resin (Gumaron)

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Manufacturing Method
of Ethylene Tar Resin (Gumaron)
1. Introduction

Ethylene Tar Resin, also known as Gumaron Resin, is an important raw material for the production of chemicals. It has excellent thermal stability, oxidation resistance and adhesion, so it is widely used in rubber, plastic, paint, ink and other fields. This article will introduce the manufacturing method of ethylene tar resin in detail.

2. materials and equipment

1. materials: ethylene tar, catalyst (such as sulfuric acid, alumina, etc.), solvent (such as toluene, xylene, etc.).
2. Equipment: reaction kettle, stirrer, heater, condenser, filter, etc.

3. manufacturing methods

1 ingredients: according to a certain proportion of ethylene tar, catalyst and solvent into the reactor.
2. Heating reaction: Turn on the stirrer and heat the reaction kettle to bring the mixture to a certain temperature (usually between 180-250°C) and maintain it for a certain period of time (several hours to tens of hours). In this process, the molecules in the ethylene tar are polymerized under the action of the catalyst to produce the courmarone resin.
3. Cooling and separation: After the reaction, the reaction kettle was cooled to room temperature, and the courmalone resin and unreacted raw materials and solvent were separated.
4. Washing and Drying: The Gumarone resin is washed with a solvent to remove residual catalyst and other impurities, and then dried to obtain the final ethylene tar resin product.
Precautions for
4.

1. During the operation, the reaction temperature and time should be strictly controlled to avoid excessive polymerization or insufficient polymerization.
2. The type and dosage of the catalyst have a great influence on the polymerization reaction and should be adjusted according to the actual situation.
3. In the process of separation and washing, the purity of the product should be ensured to avoid impurities.

5. Conclusion The manufacturing method of

ethylene tar resin (Gumalon) involves the steps of compounding, heating reaction, cooling separation and washing and drying. By controlling the reaction conditions, the high quality of the cumarone resin products can be obtained. This kind of resin has a wide application prospect in the production of chemical products, and it is of great significance to improve the quality and performance of products. In the actual production process, it should be optimized and adjusted according to specific needs and conditions to improve production efficiency and product quality.

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