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A kind of method for uniform dispersion of high aromatic oil

A technology with high aromatics and oil uniformity, applied in the field of styrene-butadiene rubber production, can solve the problems of high consumption of additives and increased cost, and achieve the effect of reducing the cost of additives, speeding up the degree of dispersion, and simplifying the on-site process

Active Publication Date: 2021-10-22
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this traditional method consumes a lot of additives and increases the cost

Method used

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  • A kind of method for uniform dispersion of high aromatic oil
  • A kind of method for uniform dispersion of high aromatic oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 1) High aromatic oil and primary desalinated water are measured at a mass ratio of 1:0.95 for later use;

[0027] 2) Mix high-aromatic oil with primary desalted water accounting for 42% of the total primary desalted water, and then heat up to 150°C by bubbling steam;

[0028] 3) After the material enters the emulsifier and stirs for 7.5s, the temperature in the emulsifier is 140°C, and the remaining first-stage desalted water is added to the output pipeline for dilution. The high-aromatic oil is quickly and completely dispersed to form a stable emulsion.

Embodiment 2

[0030] 1) High-aromatic oil and primary desalinated water are measured at a mass ratio of 1:0.9 for later use;

[0031] 2) Mix high-aromatic oil with primary desalted water accounting for 40% of the total primary desalted water, and then heat up to 145°C by bubbling steam;

[0032] 3) After the material enters the emulsifier and stirs for 7 seconds, the temperature in the emulsifier is 150°C, and the remaining first-stage desalted water is added to the output pipeline for dilution. The high aromatic oil is quickly and completely dispersed to form a stable emulsion.

Embodiment 3

[0034] 1) High aromatic oil and primary desalted water are measured at a mass ratio of 1: 1.0 for later use;

[0035] 2) Mix high-aromatic oil with primary desalted water accounting for 45% of the total primary desalted water, and then heat up to 140°C by bubbling steam;

[0036] 3) After the material enters the emulsifier and stirs for 8 seconds, the temperature in the emulsifier is 130°C, and the remaining first-stage desalted water is added to the output pipeline for dilution. The high aromatic oil is quickly and completely dispersed to form a stable emulsion.

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Abstract

The invention discloses a method for uniformly dispersing high-aromatic oil, which belongs to the technical field of styrene-butadiene rubber production. It is characterized in that the dispersing steps are: 1) The high aromatic oil and the desalted water are measured according to the mass ratio of 1:0.7-1.2 for later use; 2) The high aromatic oil is mixed with the desalted water accounting for 35%~50% of the total desalted water, Then steam is blown in to heat up to 120°C~180°C; 3) After the material enters the emulsifier and stirs for 5-10s, the output mixed solution is diluted with the remaining desalinated water to reach a usable degree of dispersion. The present invention no longer uses emulsifiers, reduces the cost of additives, reduces energy consumption, simplifies on-site processes, and achieves the same process conditions.

Description

technical field [0001] The invention discloses a method for uniformly dispersing high-aromatic oil, which belongs to the technical field of styrene-butadiene rubber production. Background technique [0002] Oil-extended styrene-butadiene rubber is one of the main grades of synthetic rubber. An important process in the production process is to add high-aromatic oil (extending oil) into the styrene-butadiene base latex. The original process is that the high-aromatic oil is heated by a heat exchanger At 60~100°C, mix with two emulsifiers, form an emulsion through a centrifugal pump, then dilute to the target concentration with desalinated water, and fill the formed emulsion into the styrene-butadiene base latex. process such as figure 2 As shown, the two emulsifiers and the heated filling oil are emulsified and mixed through the centrifugal pump before being transported from the feed unit to the centrifugal pump 8 . But this traditional method consumes a lot of additives and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/03C08L9/08C08L91/00
CPCC08J3/03C08J2309/08C08J2491/00
Inventor 齐敏李永方徐新龙
Owner CHINA PETROLEUM & CHEM CORP
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