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What is the difference between the wax and ordinary paraffin wax?


Release time:

2021-08-13

Fischer-Tropsch wax is the use of Fischer-Tropsch synthesis technology, syngas (CO and H2) as raw materials, under certain conditions, in the Fischer-Tropsch reactor reaction, the hydrogenation of a refined product. There are many researches on Fischer-Tropsch wax abroad. Relying on the coal-based Fischer-Tropsch synthesis technology with independent intellectual property rights, domestic enterprises have carried out a lot of work in the development, production and deep processing of coal-based synthetic oil products, among which Fischer-Tropsch wax has attracted more and more attention because of its excellent performance. However, with a large number of Fischer-Tropsch waxes on the market at the same time, product prices continue to decline. In order to improve economic efficiency, major coal-to-liquid enterprises have turned their attention to the special wax market. Special wax production

What is the difference between the wax and ordinary paraffin wax?

Fischer-Tropsch wax is the use of Fischer-Tropsch synthesis technology, syngas (CO and H2) as raw materials, under certain conditions, in the Fischer-Tropsch reactor reaction, the hydrogenation of a refined product. There are many researches on Fischer-Tropsch wax abroad. Relying on the coal-based Fischer-Tropsch synthesis technology with independent intellectual property rights, domestic enterprises have carried out a lot of work in the development, production and deep processing of coal-based synthetic oil products, among which Fischer-Tropsch wax has attracted more and more attention because of its excellent performance. However, with a large number of Fischer-Tropsch waxes on the market at the same time, product prices continue to decline. In order to improve economic efficiency, major coal-to-liquid enterprises have turned their attention to the special wax market. Special wax production has the following characteristics: high production technology content, many varieties, low yield, high added value, and diversified market demand. No enterprise can monopolize the market and it is easy to find opportunities in the market. In general, the output and varieties of special wax products in China are far from those in foreign countries. Therefore, taking Fischer-Tropsch wax as the center, producing high value-added special wax through modified blending, continuously expanding to Fischer-Tropsch wax series products and taking the road of fine chemical industry is the future development direction of China's Fischer-Tropsch wax industry. it is also the only way for coal-to-liquid enterprises to leap from the production of primary products to high value-added fine chemicals.

The difference between Fischer-Tropsch wax and paraffin wax

1. Different molecular weights. The molecular weight of Fischer-Tropsch wax is much lower than that of ordinary paraffin wax, with fewer branches and higher crystallinity. Paraffin wax is a mixture of solid higher alkanes, mainly composed of linear alkanes, a small amount of alkanes with single branched chains and monocycloalkanes with long side chains.

2. Different chemical structures. Fischer-Tropsch paraffin is straight chain alkane, no double chain, strong oxidation resistance, good weather resistance, and ordinary paraffin contains a small amount of single chain alkane and side chain long single ring alkane.

3. Different viscosity. The viscosity of Fischer-Tropsch wax is only about 10, and a small amount can be added to achieve the lubrication effect; the viscosity of ordinary paraffin wax is between 20-60, and the lubrication effect is poor.

Main uses of ordinary paraffin wax

Natural paraffin is mainly used for matches, fiberboard, canvas, etc. due to its high oil content. Adding polyolefin additives to paraffin wax, the melting point is increased, the adhesion is enhanced, and the flexibility is enhanced. It is widely used in the production of moisture-proof and waterproof packaging paper, cardboard, some textile surface coatings and candles.

All kinds of wax paper with good waterproof performance can be made by soaking in paraffin wax, which can be used in food, medicine and other packaging, metal rust prevention and printing industries; after cotton yarn is added to paraffin wax, textiles can be soft, smooth and elastic; paraffin wax can also be made into detergent, emulsifier, dispersant, plasticizer, grease, etc.

Fully refined paraffin and semi-refined paraffin are widely used, mainly as ingredients and packaging materials for food, oral drugs and some commodities (such as wax paper, crayons, candles, and copy paper), as coating materials for baking containers, and for fruit preservation, Electrical component insulation, improve rubber aging resistance and increase flexibility, etc. It can also be used for the oxidative production of synthetic fatty acids.

Fischer-Tropsch wax application plastic industry

Goat milk wax can be used in plastic processing, such as injection molding, extrusion, granulation and other industries. In the production of masterbatch and modified plastics, goat milk wax contributes to the dispersion of fillers and excellent smoothness.

It can be used as an external lubricant for polyvinyl chloride. Low viscosity can improve the production speed of the product, and help the dispersion of pigments and fillers when mixing, especially in the extrusion of high viscosity system, 40-50% less than ordinary PE wax, which can significantly improve the surface gloss of the product. The molten Fischer-Tropsch wax effectively wets the dye and reduces the extrusion viscosity.

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Key words:

Fischer-Tropsch wax