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Sorbitol modified medium oil alkyd resin and production method thereof

A technology of alkyd resin and sorbitol, which is applied in the field of modified alkyd resin and sorbitol-modified medium-oil alkyd resin, can solve the problems of rapid price rise of pentaerythritol, and achieve excellent performance, simple and easy method, and raw materials cheap and easy results

Active Publication Date: 2013-05-15
山东齐鲁漆业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the rapid growth of the demand for pentaerythritol in my country, coupled with other factors such as the rapid increase in the price of raw material formaldehyde, the price of pentaerythritol has risen rapidly.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] (1) Pre-inject CO2 into the empty reactor for 6 minutes, and the gas flow rate is 3m3 / h;

[0048] (2) Add 22.0kg of sorbitol aqueous solution, 6.0kg of xylene, and 0.2kg of silicone oil in sequence, stir and raise the temperature to 140-150°C; remove the water in the sorbitol aqueous solution;

[0049] (3) Add 52.0kg of soybean oil fatty acid, 20.0kg of phthalic anhydride, 1.0kg of rosin, 0.2kg of maleic anhydride,

[0050] Antioxidant color reducer SH-10.2kg, heat up to 180°C for 30 minutes, heat up to 240°C for 40 minutes;

[0051] (4) When the temperature is lowered to 170°C, add 10.0kg of pentaerythritol during stirring, heat up to 180°C for 30 minutes, heat up to 245°C for 2 hours, acid value = 16mgKOH / g, viscosity 170s / 23°C, apply 4# cup ( m resin: m200#=1:1);

[0052] (5) Cool down to 150°C, transfer the reactant to the dilute kettle, add 92.0kg of 200# gasoline, test the resin index: appearance, acid value, viscosity, solid content are qualified, when the temp...

Embodiment 2

[0054] (1) Pre-inject CO2 into the empty reactor for 6 minutes, and the gas flow rate is 4m3 / h;

[0055] (2) Add 18.0kg of sorbitol aqueous solution, 5.0kg of xylene, and 0.2kg of silicone oil in sequence, stir and raise the temperature to 140-150°C; remove the water in the sorbitol aqueous solution;

[0056] (3) Add 50.0kg of soybean oil fatty acid, 18.0kg of phthalic anhydride, 0.8kg of rosin, 0.2kg of maleic anhydride, and 530.2kg of anti-oxidation and color reducing agent H53 in sequence, heat up to 180°C for 30 minutes, and heat up Reaction at 240°C for 30 minutes;

[0057] (4) When the temperature is lowered to 170°C, add 13.0kg of pentaerythritol during stirring, heat up to 180°C for 30 minutes, heat up to 245°C for 2 hours, acid value = 16mgKOH / g, viscosity 150s / 23°C, apply 4# cup ( m resin: m200#=1:1);

[0058] (5) Cool down to 150°C, transfer the reactant to the dilute kettle, add 89.0kg of 200# gasoline, test the resin index: appearance, acid value, viscosity, sol...

Embodiment 3

[0060] (1) Pre-inject CO2 into the empty reactor for 6 minutes, and the gas flow rate is 4m3 / h;

[0061] (2) Add 25.0kg of sorbitol aqueous solution, 10.0kg of xylene, and 0.3kg of silicone oil in sequence, stir and raise the temperature to 140-150°C; remove the water in the sorbitol aqueous solution;

[0062] (3) Add 55.0kg of soybean oil fatty acid, 23.0kg of phthalic anhydride, 1.2kg of rosin, 0.4kg of maleic anhydride, and 30320.3kg of anti-oxidation and color reducing agent in sequence, heat up to 180°C for 30 minutes, and heat up to 240°C heat preservation reaction for 30min;

[0063] (4) When the temperature is lowered to 170°C, add 15.0kg of pentaerythritol during stirring, heat up to 180°C for 30 minutes, heat up to 245°C for 2 hours, acid value = 20mgKOH / g, viscosity 190s / 23°C and apply 4# cup ( m resin: m200#=1:1);

[0064] (5) Cool down to 150°C, transfer the reactant to the dilute kettle, add 100.0kg of 200# gasoline, test the resin index: appearance, acid value...

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Abstract

The invention belongs to the field of chemical materials and provides alkyd resin which is produced by taking a 70wt% sorbitol water solution with low cost and pentaerythritol, which substitute for glycerol or partially substitute for pentaerythritol, as polyalcohol resources by adopting a fatty acid process. A production method of the alkyd resin is simple and feasible; raw materials are low in cost and easily obtained, so that the production cost can be effectively reduced; and the produced alkyd resin is excellent in paint production performance and can completely achieve the performances of alkyd resin which is produced by adopting glycerol and pentaerythritol as polyalcohol resources.

Description

technical field [0001] The invention belongs to the field of chemical materials and provides a modified alkyd resin, specifically a sorbitol-modified medium-oil alkyd resin capable of significantly reducing the production cost of the alkyd resin and a production method thereof. Background technique [0002] Alkyd resin was proposed by Kienle, General Electric Company of the United States in 1927. Since its inception, alkyd resin has a wide range of raw materials, simple synthesis process, flexible formula, and good comprehensive performance of the coating film. It has become the largest and most widely used synthetic resin in the coatings industry due to its performance characteristics. The application proportion of synthetic resin in the paint industry can reach 70%, which has a decisive impact on the performance of the paint. The alkyd paint formulated by alkyd resin is still one of the most important paint varieties in the paint market so far, and its output accounts for...

Claims

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Application Information

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IPC IPC(8): C08G63/52C08G63/78C09D167/08
Inventor 孙洪源隋春喜孙文俊孙亮闫红霞段洪东王庆军
Owner 山东齐鲁漆业有限公司
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