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[Chemical Knowledge]：Properties and Uses of Microcrystalline Wax

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The properties and uses
of microcrystalline wax in the field of raw materials for chemical production
Abstract

This paper describes in detail the properties and uses of microcrystalline wax in the field of raw materials for chemical production. Through the discussion of the physical and chemical properties, production process and application fields of microcrystalline wax, the paper aims to deepen the understanding of microcrystalline wax as an important chemical raw material and provide theoretical support for its rational use in chemical production.

1. Introduction

microcrystalline wax is an important chemical raw material, widely used in plastics, rubber, paint, ink, cosmetics and other fields. Due to its unique physical and chemical properties, microcrystalline wax plays an important role in improving the performance and quality of products. This paper systematically expounds the properties and uses of microcrystalline wax, in order to provide a useful reference for the production of chemical products.

2. the properties of microcrystalline wax

1. physical properties: microcrystalline wax has a high degree of crystallinity, high melting point, usually between 70-90 ℃. Its hardness is high, with good wear resistance and scratch resistance. In addition, microcrystalline wax has the characteristics of low volatility, high chemical stability and thermal stability.
2. chemical properties: microcrystalline wax is mainly composed of straight chain alkanes, and the number of carbon atoms in the molecular structure is generally between 20 and 40. The carbon-carbon bond in its molecular structure is relatively stable, and it has certain resistance to acid, alkali and other chemical reagents.

3. microcrystalline wax production process

microcrystalline wax production mainly uses petroleum fractionation and cracking, through the purification and cracking of wax components in petroleum, to obtain high purity microcrystalline wax. With the improvement and improvement of the production process, the output and quality of microcrystalline wax have been continuously improved to meet the needs of the chemical production field.

4. the use of microcrystalline wax

1. plastic modification: microcrystalline wax can be used as a plastic modifier to improve the hardness, wear resistance, scratch resistance and thermal stability of plastics. Adding an appropriate amount of microcrystalline wax to polyethylene, polypropylene and other plastics can effectively improve its performance and extend its service life.
2. Rubber products: In rubber products, microcrystalline wax can be used as a plasticizer and lubricant to improve the processing performance and use performance of rubber. At the same time, microcrystalline wax can also improve the adhesive properties of rubber and metal or other materials.
3. Coatings and inks: Microcrystalline wax can be used as a film-forming agent and thickener in coatings and inks to improve the hardness and abrasion resistance of the coating film, as well as the printing performance and drying of the ink.
4. cosmetics: microcrystalline wax in cosmetics can be used as a matrix material, improve the texture and ductility of cosmetics, but also has a certain moisturizing effect.

5. conclusion

microcrystalline wax as an important chemical raw material is widely used in plastics, rubber, paint, ink, cosmetics and other fields. Its unique physical and chemical properties, such as high crystallinity, high melting point, low volatility, high chemical stability and thermal stability, make microcrystalline wax play an important role in improving the performance and quality of products. Through the in-depth understanding of the properties and uses of microcrystalline wax, it is helpful to make rational use of this raw material in chemical production and further promote the development of chemical industry.

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