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Continuous Production Process of Oxygenated Composite Hydrocarbon Wax

A production process and technology of hydrocarbon wax, which is applied in the field of preparation of oxidized composite hydrocarbon wax, can solve the problems of low output per unit time, low quality of high-density oxidized polyethylene wax, and low utilization rate of equipment in the oxidation production process, and achieve a small footprint , Reduce labor intensity and high production efficiency

Active Publication Date: 2021-04-06
QINGDAO ENLIGHT NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the oxidation production method of oxidized composite hydrocarbon wax is a tank-type batch method. This production method has high requirements on raw materials and cannot contain too much water and impurities, which not only leads to low output per unit time of oxidation production process, but also cumbersome manual operation. , high labor intensity, serious pollution, low utilization rate of equipment, and also cause the quality reduction of high-density oxidized polyethylene wax

Method used

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  • Continuous Production Process of Oxygenated Composite Hydrocarbon Wax

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] In this embodiment, hydrocarbon wax is used according to the mass ratio of 70 degrees Fischer-Tropsch wax: imported Middle East oligomer wax F13 = 1:0.5, and added to the dehydration kettle.

[0050] The operating temperature of the first dehydration kettle 1 and the second dehydration kettle 2 is 140°C and the operating temperature of the decolorization kettle 5 is 145°C; the operating temperature at the bottom of the split tower 5 is 155°C to 160°C; At point 17, the operating temperature of the bottom tray is 140°C to 145°C, and the operating temperature of the top tray is 125°C to 130°C.

[0051] The operating pressure in the split tower 5 is controlled at 60KPa.

[0052] The oxidation reaction efficiency of compound hydrocarbon wax is 93.2, the acid value is 6 and the color is yellowish. The molecular weight range of the composite hydrocarbon wax is 800-4000.

Embodiment 2

[0054] In this embodiment, the mass ratio of the composite hydrocarbon wax is 60° paraffin wax: 80° Fischer-Tropsch wax = 1:1.

[0055] The operating temperature of the first dehydration kettle 1 and the second dehydration kettle 2 is 95°C and the operating temperature in the decolorization kettle 5 is 105°C; the operating temperature at the bottom of the split tower 5 is 150°C to 155°C; At point 17, the operating temperature of the bottom tray is 135°C to 140°C, and the operating temperature of the top tray is 123°C to 128°C.

[0056] The operating pressure in the split tower 5 is controlled at 55KPa. All the other are the same as in Example 1.

[0057] The composite hydrocarbon wax has an oxidation reaction efficiency of 94, an acid value of 7 and a light yellow color. The molecular weight range of the composite hydrocarbon wax is 400-800.

Embodiment 3

[0059] In this embodiment, the mass ratio of composite hydrocarbon wax is 60° paraffin wax: 80° Fischer-Tropsch wax: imported Korean oligomer DN400 = 0.5:1:0.3.

[0060] The operating temperature of the first dehydration kettle 1 and the second dehydration kettle 2 is 130°C and the operating temperature in the decolorization kettle 5 is 135°C; the operating temperature at the bottom of the split tower 5 is 150°C to 155°C; At point 17, the operating temperature of the bottom tray is 136°C to 140°C, and the operating temperature of the top tray is 123°C to 128°C.

[0061] The operating pressure in the split tower 5 is controlled at 40KPa. All the other are the same as in Example 1.

[0062] The oxidation reaction efficiency of compound hydrocarbon wax is 92.6, the acid value is 9 and the color is light yellow. The molecular weight range of the composite hydrocarbon wax is 750-4500.

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Abstract

The invention belongs to the technical field of preparation of oxidized composite hydrocarbon wax, and relates to a continuous production process of oxidized composite hydrocarbon wax. The dehydration step of the present invention adopts the method of discharging water at the bottom and extracting materials from the side; the method of controlling the vacuum degree and temperature of the split tower in the splitting step can effectively control the removal of low-molecular polymers and ensure thorough recovery of oligomers; the oxidation step catalyst The method of pre-mixing with materials is convenient for continuous mixing with compound hydrocarbon wax in the pipeline, ensuring the uniformity of the catalyst in the oxidation kettle, which is conducive to continuous production. The production process of the present invention is fully closed, and the process route is refined, the operation is simple, and the occupied area is small, which reduces the impact of batch production in the production of oxidized composite wax on product quality, saves energy and reduces consumption, effectively reduces labor intensity, and saves costs.

Description

technical field [0001] The invention belongs to the technical field of preparation of oxidized composite hydrocarbon wax, and relates to a continuous production process of oxidized composite hydrocarbon wax. Background technique [0002] Oxygenated compound hydrocarbon wax is a product with high lubricating efficiency and good dispersion effect, and it is widely used in plastic processing, coating, textile and other fields. It is especially suitable for the processing of PVC materials and the dispersion of masterbatches. Oxidized compound hydrocarbon wax has both excellent external lubricity and strong internal lubricating effect, and also has a coupling effect, which can improve the production efficiency of plastic processing, reduce production costs, and has good compatibility with polyolefin resins, etc. Good moisture resistance at room temperature, strong chemical resistance, excellent electrical properties, and can improve the appearance of finished products. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G73/38C10G73/42
Inventor 张建平解洪伟李毅
Owner QINGDAO ENLIGHT NEW MATERIALS CO LTD
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