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A kind of preparation method of high basic value hydrocarbyl salicylate calcium

A technology of hydrocarbyl calcium salicylate and hydrocarbyl salicylic acid is applied in the field of preparation of high base value hydrocarbyl calcium salicylate, which can solve the adverse effects on the environment and animal bodies, affect product quality and yield, and pollute the environment and water quality and other problems, to achieve the effect of eliminating the problem of phenol pollution, good stability and eliminating phenol pollution

Active Publication Date: 2016-05-11
锦州康泰润滑油添加剂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The raw material phenol used in this type of process pollutes the environment and water quality, and there are 10%-25% ortho-dodecylphenol with low activity in the product, which remains in the product and cannot be degraded, which is harmful to the environment and animal bodies. also have adverse effects
[0011] Though adopt in document 6 by olefin and salicylic acid under the effect of catalyst synthesis alkyl salicylic acid technology, but this technology shortcoming is that catalyst is not clean, and the alkyl salicylic acid newly synthesized is unstable, very easily decomposes into A large amount of solid salicylic acid and olefins have seriously affected the quality and yield of the product

Method used

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  • A kind of preparation method of high basic value hydrocarbyl salicylate calcium
  • A kind of preparation method of high basic value hydrocarbyl salicylate calcium
  • A kind of preparation method of high basic value hydrocarbyl salicylate calcium

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preparation example Construction

[0057] A kind of preparation method of high base value hydrocarbyl salicylate calcium, prepare according to the following method:

[0058] (1) Hydrocarbyl salicylic acid is obtained from fruit shell dry distillation liquid through a shallow hydrogenation process, and its main component is pentadecyl hydroxy salicylic acid;

[0059] Wherein, the hydrocarbyl salicylic acid is a product obtained from dry distillation of fruit shells through a shallow hydrogenation process. Salicylic acid, its specific structural formula is as follows formula (1) and formula (2);

[0060]

[0061] In formula (1) and formula (2), wherein R chain length is the alkene or alkane of 15 carbons, can replace any one in the remaining four substituting groups on the benzene ring, the segment of hydrocarbon chain is longer, can greatly improve The solubility of the product in lubricating oil.

[0062] Preferably, the shallow hydrogenation process used to prepare the hydrocarbyl salicylic acid specifica...

Embodiment 1

[0083] Example 1: A method for preparing hydrocarbyl salicylic acid by shallow hydrogenation of fruit shell retort liquid.

[0084] Pass nitrogen into a 1000mL autoclave at room temperature for 10 minutes, add 400g of fruit shell retort liquid, 8g of skeleton nickel, raise the temperature to 45°C, pass 40L of hydrogen for 10 hours, and the pressure is 1.8MPa. After the reaction is complete, add 20g of diatomaceous earth The filter aid was filtered to obtain 365.4 g of hydrocarbyl salicylic acid, and the acid value was 110.56 mgKOH / g.

Embodiment 2

[0085] Example 2: A method for preparing hydrocarbyl salicylic acid by shallow hydrogenation of fruit shell retort liquid.

[0086] Pass nitrogen into a 1000mL autoclave at room temperature for 10 minutes, add 400g of fruit shell dry distillation liquid, 4g of palladium carbon, raise the temperature to 28°C, pass through 39L of hydrogen for 10 hours, and the pressure is 1.8MPa. After the reaction is complete, add 20g of diatomaceous earth The filter aid was filtered to obtain 362.3 g of hydrocarbyl salicylic acid, and the acid value was 112.14 mgKOH / g.

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Abstract

The invention relates to the petrochemical industry field and in particular relates to a preparation method of high-base-number hydrocarbyl calcium salicylate. The method comprises the following steps: carrying out shallow hydrogenation on shell dry distillation liquid to prepare hydrocarbyl salicylic acid; carrying out neutral reaction with lime on prepared hydrocarbyl salicylic acid under the action of a kicker, then introducing carbon dioxide to perform carbonation reaction with the lime, and posttreating to obtain the hydrocarbyl salicylic acid calcium salt products with different base numbers. According to the preparation process, the shell dry distillation liquid with shallow hydrogenation is selected as a raw material and a high-activity kicker, the prepared product is good in biodegradability, and the problem that traditional products can not be degraded and pollute the environment is solved. Hydrocarbyl side chain is longer in the product structure so that the oil solubility of the product is improved. In addition, the selected raw material of the shell liquid is extensive in source, environmental friendly, nontoxic and renewable and is an environmentally friendly production raw material.

Description

technical field [0001] The invention relates to the field of petrochemical industry, in particular to a preparation method of high alkali value hydrocarbyl salicylate calcium. Background technique [0002] High base value calcium salicylate is one of the commonly used detergents for lubricating oil. It has good high-temperature detergency and rapid acid neutralization ability, and also has certain low-temperature dispersion performance, anti-oxidation performance and anti-corrosion performance. The product has high thermal stability and is especially suitable as a detergent for various diesel engine oils, railway engine oils and marine engine oils. [0003] There are many patent disclosures at home and abroad about the preparation method of calcium hydrocarbyl salicylate. [0004] Chinese patent, document 1: a preparation method of high alkali value alkyl salicylate calcium, publication number: CN1144216A, publication date: 1997.3.5, with lauryl salicylic acid and calcium o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C65/05C07C51/41
CPCC07C51/412C07C65/05
Inventor 禹培根赵岷江袁汉民郭鹏飞郭松陈冲
Owner 锦州康泰润滑油添加剂有限公司