Method for producing coating drier through module control

A technology of module control and drier, applied in driers, chemical instruments and methods, etc., can solve the problems of poor physical and mental health of workers, unstable product quality, large product differences, etc., to achieve good health and reduce labor. Strength, guaranteed clean effect

Inactive Publication Date: 2011-05-11
上海华谊精细化工有限公司上海长风化工厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] ①Because the correctness of the scale reading depends on the subjective judgment of the person who reads the reading, and because the original process is that the raw material is directly pumped into the reactor without going through the high-level tank, this leads to relatively unstable quality of each batch of products. big difference
[0011] ② Each batch of raw materials (200kg) per barrel must be repeatedly weighed up and down. The labor intensity of the workers is high and the labor efficiency is low.
[0012] ③Using a vacuum tube to pump materials is prone to splashing, which affects the environment and is not good for the physical and mental health of workers
[0013] ④ Use mechanical scales, the minimum accuracy is 0.1kg, and the accuracy is low

Method used

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  • Method for producing coating drier through module control
  • Method for producing coating drier through module control

Examples

Experimental program
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Effect test

Embodiment 1

[0030] (1) Saponification reaction

[0031] The reaction raw materials isooctanoic acid, 80% by weight of sodium hydroxide solution, 50% by weight of calcium chloride solution and No. 200 solvent oil are pumped into respective high-level tanks respectively, and are set by Mettler-Toledo weighing display controller. A fixed module, 1450 kilograms of isooctanoic acid, 500 kilograms of 80% by weight of sodium hydroxide solution are added in the reactor, heated to 90 ° C, saponification reaction is carried out under stirring, and the reaction time is half an hour;

[0032] (2) metathesis reaction

[0033] Through the module set by the Mettler-Toledo weighing display controller, add 1110 kilograms of 50% by weight calcium chloride solution into the reaction kettle of step (1), and carry out the metathesis reaction under stirring, and the reaction temperature is 80-120°C , the reaction time is 0.5 to 0.6 hours, the reaction solution is allowed to stand for stratification and dehydr...

Embodiment 2

[0035] In addition to adding 1610 kilograms of 50% by weight zinc sulfate to the reaction kettle of step (1) in step (2) and carrying out metathesis reaction, adding 1075 kilograms of solvent oil No. 200 to the above-mentioned reaction kettle to dilute the reaction solution, all the other raw materials are composed and reaction steps All the same as in Example 1, the result was 2840 kg of light yellow transparent liquid drier product, the zinc content of the product was 17% by weight, and the product yield was 80%.

Embodiment 3

[0037] In addition to adding 2780 kilograms of 50% by weight lead chloride to the reactor of step (1) in step (2) and carrying out metathesis reaction, adding 840 kilograms of No. 200 solvent oils to dilute the reaction solution in the above reactor, the composition and reaction of all the other raw materials The steps are the same as in Example 1, and as a result, 3315 kg of orange transparent liquid drier product is obtained, the lead content of the product is 31% by weight, and the product yield is 85%.

[0038] The Mettler-Toledo weighing display controller in Examples 1-3 is produced by Mettler-Toledo (Changzhou) Weighing Equipment Co., Ltd., and the model is XK3123.

[0039] The yields of Examples 1 and 2 are 3% higher than the prior art, and the yields of Example 3 are 5% higher than the prior art.

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PUM

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Abstract

The invention relates to a method for producing a coating drier through module control, which comprises the following steps of: (1) performing saponification reaction, namely respectively pumping isooctanoic acid or naphthenic acid serving as a raw material, alkali liquor, inorganic metal salt solution and solvent oil into respective elevated tank by using a pump, adding the isooctanoic acid or naphthenic acid serving as the raw material into a reaction kettle through a module set by a Mettler-Toledo weighing display controller, and performing saponification reaction with stirring; and (2) adding inorganic salt solution according to the set module, performing double decomposition reaction with stirring, dehydrating reaction liquid, adding No.200 solvent oil to dilute the reaction liquid, and filtering to remove solid impurities so as to obtain a coating drier product. The yield of the product produced by the method is 3 to 5 percent higher than that of the product produced by the prior art; product quality is stable, work environment is clean, and the body health of operating personnel is facilitated.

Description

technical field [0001] The invention relates to a preparation method of a liquid metal carboxylate paint drier, in particular to a method for controlling the production of the paint drier by using a module set by a Mettler-Toledo weighing display controller. Background technique [0002] Liquid metal carboxylate (Metal carboxylate) is a very important class of fine chemical products, mainly used in paint, ink drier. Its main production process is: saponification reaction of organic acid and lye, and then double decomposition reaction with metal inorganic salt. The reaction equation is as follows: [0003] Saponification reaction: CH 3 (CH 2 ) 3 C(CH 3 ) 2 COOH+NaOH [0004] →CH 3 (CH 2 ) 3 C(CH 3 ) 2 COONa+H 2 o [0005] Metathesis reaction: n CH 3 (CH 2 ) 3 C(CH 3 ) 2 COONa+RSO 4 [0006] →[CH 3 (CH 2 ) 3 C(CH 3 ) 2 COO] n R+(Na) n SO 4 [0007] Wherein R is a metal ion, and n is a positive integer of 2-4. [0008] The charging process of exi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09F9/00
Inventor 於宁
Owner 上海华谊精细化工有限公司上海长风化工厂
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