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Modified abietate for water-based alkyd resin and method for manufacturing modified abietate

A water-based alkyd resin and rosin ester technology, which is applied in the chemical industry, can solve the problems of high cost and air pollution, and achieve the effects of reducing carbon emissions, reducing oxidative discoloration, and improving discoloration

Inactive Publication Date: 2015-01-28
DRAGON FISH PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the modification of rosin, the resin can increase the adhesion of the paint film, reduce the wrinkling of the paint film, improve the durability, alkali resistance and gloss of the paint film, and reduce the viscosity; the paint film releases solvent faster and improves the dry rate. , drying faster; the existing water-based alkyd resin, the cost is relatively high, while polluting the atmosphere

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1--making 1000 kilograms of water-based alkyd resins uses modified rosin ester:

[0023] Raw materials used: 550 kg of primary rosin; 150 kg of soybean oil fatty acid; 10 kg of diphenolic methane; 10 kg of paraformaldehyde; 275 kg of maleic anhydride; 5 kg of zinc oxide.

[0024] The production steps are:

[0025] (1) Put 550 kg of first-grade rosin into the melting kettle, pass through carbon dioxide gas protection, heat up to 200 ° C to melt the rosin, and pump it into the esterification pot after it is completely melted;

[0026] (2) Keep feeding carbon dioxide gas protection, start stirring, put in 150 kg of soybean oil fatty acid, 5 kg of zinc oxide, 10 kg of diphenolic methane, and cool down to 95-105 °C;

[0027] (3) Add 10 kg of paraformaldehyde and keep it warm at a temperature of 98-102°C for four hours;

[0028] (4) Slowly raise the temperature to 200°C, add 37.5% of the amount of maleic anhydride, that is, 103 kg of maleic anhydride, and keep wa...

Embodiment 2

[0031] Embodiment 2--making 1000 kilograms of water-based alkyd resins uses modified rosin ester:

[0032] Raw materials used: 600 kg of primary rosin; 100 kg of soybean oil fatty acid; 50 kg of diphenolic methane; 50 kg of paraformaldehyde; 198 kg of maleic anhydride; 20 kg of zinc oxide.

[0033] The production steps are:

[0034] (1) Put 600 kg of first-grade rosin into the melting kettle, pass through carbon dioxide gas protection, heat up to 200 ° C to melt the rosin, and pump it into the esterification pot after it is completely melted;

[0035] (2) Keep feeding carbon dioxide gas protection, start stirring, put in 100 kg of soybean oil fatty acid, 20 kg of zinc oxide, 50 kg of diphenolic methane, and cool down to 95-105 °C;

[0036] (3) Add 50 kg of paraformaldehyde and keep it warm at a temperature of 98-102°C for four hours;

[0037] (4) Slowly raise the temperature to 200°C, add 37.5% maleic anhydride, that is, 74 kg of maleic anhydride, and keep warm at 200°C for ...

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PUM

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Abstract

The invention discloses modified abietate for water-based alkyd resin and a method for manufacturing the modified abietate, and relates to the field of chemical technologies. The modified abietate comprises, by weight, 55-60% of first-grade rosin, 10-15% of soybean oil fatty acid, 1-5% of diphenol-based methane, 1-5% of paraformaldehyde, 19.8-27.5% of maleic anhydride and 0.2-0.5% of zinc oxide. The modified abietate and the method have the advantages that the cost of the water-based alkyd resin with the modified abietate can be lowered to a certain degree during actual production and application, and pollution can be reduced.

Description

technical field [0001] The invention relates to the technical field of chemical industry, in particular to a modified rosin ester used for producing water-based alkyd resin and a preparation method thereof. Background technique [0002] With the increasing awareness of environmental protection, people pay attention to the environment-friendly coatings, and the research and application of water-based coatings has become one of the main development directions of the coatings industry. As an environmentally friendly resin, waterborne alkyd resin has great development and research space, broad application prospects, and huge economic and social benefits. At present, the research on water-based alkyd resins is mainly focused on reducing the construction viscosity of coatings through modification, eliminating the dilution peak of water-based alkyd resins in the process of water dilution, and using environmentally friendly co-solvents to further enhance the corrosion resistance of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09F1/04C08G63/49
Inventor 陈兆阳刘湛光韦光南苏丽黄冕
Owner DRAGON FISH PAINT
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