Environment-friendly rubber oil and preparation method thereof

An environment-friendly rubber oil and rubber oil technology, applied in the petroleum industry, hydrocarbon oil treatment, hydrogenation process, etc., can solve the problems of poor compatibility of styrene-butadiene rubber and low content of aromatic hydrocarbons, and achieve mild operating conditions and low raw material Easy to obtain, good effect at low temperature

Active Publication Date: 2014-12-17
PETROCHINA CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Styrene-butadiene rubber is mainly used in tire manufacturing, and this type of rubber is suitable for use with process oils with high aromatic content. The rubber process oil produced by the above method is saturated with a large amount of aromatics during the refining process, resulting in low aromatic content. C A The value is less than 3%, and the compatibility with styrene-butadiene rubber is not good

Method used

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  • Environment-friendly rubber oil and preparation method thereof
  • Environment-friendly rubber oil and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0033] The hydrogenation reaction catalysts are loaded into the fixed-bed reactors of the first-stage hydrogenation and the second-stage hydrogenation respectively for pre-sulfurization, and the pre-sulfurized catalysts are ready for use. The hydrogenation catalyst is HRK558.

[0034] The pre-sulfurization process conditions are: use carbon disulfide CS accounting for 2% of the weight of the vulcanized oil 2 And the remaining kerosene is used as vulcanized oil, and hydrogen gas is passed under the hydrogen partial pressure of 6MPa, the vulcanization temperature is 280°C, and the space velocity is 0.5h -1 , the volume ratio of hydrogen to oil is 1000:1, and the vulcanization time is 50 hours.

[0035] With the boiling range of 280~530℃ Karamay naphthenic vacuum distillate oil as raw material, its %C A is 10, %PCA is 9.7, preheated to 60°C, enters the fixed bed reactor for hydrogenation reaction, the hydrogenation process conditions are: reaction pressure 5MPa, reaction temper...

Embodiment 2～9

[0038] According to the raw materials, preparation process and environmental protection rubber operation oil property analysis method of Example 1, the preparation of Examples 2 to 9 is carried out, wherein the preparation process conditions of "one-stage hydrogenation-two-stage hydrogenation" are shown in Table 1, after one-stage hydrogenation The cutting boiling range of the resulting oil and the cutting process conditions of the resulting oil after the second-stage hydrogenation are the same as in Example 1, and the properties of the prepared environmentally friendly rubber operating oil are shown in Table 2.

[0039] Table 1 embodiment preparation process conditions

[0040]

[0041] Table 2 The properties of environment-friendly rubber oil prepared by different processes

[0042]

[0043] The present invention is not limited by the above examples, and the production process parameters can be optimized according to the above technical solutions and actual production ...

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Abstract

The invention relates to an environment-friendly rubber oil and a preparation method thereof. The method includes: taking 280-530DEG C petroleum fractions as raw materials, passing the materials through a fixed bed hydrogenation reactor, letting the reaction material flow enter an atmospheric and vacuum fractionating tower to obtain 290-520DEG C rubber oil raw material fractions, keeping the reaction pressure at 5-8MPa, the temperature at 330-390DEG C, the space velocity at 0.3-0.5h<-1>, and the volume ratio of hydrogen to oil at 100:1-2000:1; passing the rubber oil raw material fractions through the fixed bed hydrogenation reactor, letting the reaction material flow enter the atmospheric and vacuum fractionating tower to obtain 300-510DEG C fractions; and keeping the reaction pressure at 5-8MPa, the temperature at 250-340DEG C, the space velocity at 0.3-1.0h<-1>, and the volume ratio of hydrogen to oil at 100:1-2000:1. The rubber oil has a 100DEG C kinematic viscosity of less than 6mm<2> / s, an aromatic hydrocarbon content CA% of not less than 8%, a PCA content of less than 3%, a benzopyrene content of not more than 1mg / kg, and a total content of 8 polycyclic aromatic hydrocarbons of not more than 10mg / kg.

Description

technical field [0001] The present invention relates to a kind of preparation method of environment-friendly rubber oil, specifically, relate to a kind of rubber oil added in natural rubber or synthetic rubber, especially relate to because reducing the content of polycyclic aromatic compound and have no toxicity and carcinogenicity, operation Easy eco-friendly rubber oil. Background technique [0002] During the tire processing and molding process, a certain amount of rubber oil needs to be added to mix various ingredients evenly. Rubber oil is one of the important raw materials in the tire production industry. Rubber oil not only uses a large amount, but also can improve the mixing process, improve the physical properties of the colloid and reduce the cost of rubber, which has an important impact on the performance of tire products, production technology, power consumption and environmental protection. [0003] In the past, automobile tire manufacturing or retreading compa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/02C08K5/01
Inventor 臧明虹熊良铨吕贞杨新华周勇朱路新
Owner PETROCHINA CO LTD
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