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Soybean oil modified alkyd as well as preparation method and application thereof in coating

A technology of alkyd resin and soybean oil, which is applied in the direction of polyester coatings and coatings, can solve the problems of high energy consumption and low yield, and achieve the effects of lowering the temperature of alcoholysis, reducing the loss of thermal efficiency, and simple operation process

Active Publication Date: 2010-09-29
CARPOLY CHEM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method that can reduce the temperature of alcoholysis and shorten the reaction time of alcoholysis, thereby reducing the heat supply. Loss of thermal efficiency of the system and improvement of utilization rate of thermal energy, reduction of fuel consumption and production efficiency of soybean oil modified alkyd resin manufacturing method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Soybean oil modified alkyd resin is made from the following raw materials in parts by weight: 200-230 parts by weight of soybean oil, 220-250 parts of benzoic acid, 240-250 parts of phthalic anhydride, 135-145 parts of pentaerythritol, 16-18 parts of trimethylol propane, Glycol 35-45, reflux xylene 20-30, dilute xylene 260-280, color reducing antioxidant 2.0-2.5 and catalyst 0.14-0.18.

Embodiment 2

[0047] Soybean oil modified alkyd resin is made from the following raw materials in parts by weight: soybean oil 180, benzoic acid 180, phthalic anhydride 230, pentaerythritol 130, trimethylolpropane 15, diethylene glycol 30, reflux xylene 20, Dilute xylene 260, color reducing antioxidant 1.5 and catalyst 0.1.

Embodiment 3

[0049] Soybean oil modified alkyd resin is made from the following raw materials in parts by weight: 250 parts by weight of soybean oil, 280 parts by benzoic acid, 260 parts by phthalic anhydride, 150 parts by pentaerythritol, 20 parts by trimethylolpropane, 50 parts by diethylene glycol, 30 parts by reflux xylene, Dilute xylene 280, color reducing antioxidant 3.0 and catalyst 0.2.

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Abstract

The invention discloses soybean oil modified alkyd which is prepared from the following raw materials in parts by weight: 180-250 parts of soybean oil, 180-280 parts of benzoic acid, 230-260 parts of benzoic anhydride, 130-150 parts of pentaerythritol, 15-20 parts of trimethylolpropane, 30-50 parts of diglycol, 20-30 parts of reflux dimethylbenzene, 260-280 parts of diluted dimethylbenzene, 1.5-3.0 parts of color-reducing antioxidant and 0.1-0.2 part of catalyst. The invention has the advantages that the alcoholysis temperature can be decreased, and the alcoholysis reaction time can be shortened, thereby the heat efficiency loss of a heat supply system is reduced, the utilization ratio of heat energy is improved, the fuel oil consumption is reduced, the production efficiency is improved, coating films with different characteristics can be formed, and the soybean oil modified alkyd has quite excellent use characteristic and quite wide application fields.

Description

technical field [0001] The invention relates to a modified alkyd resin, in particular to a soybean oil modified alkyd resin capable of lowering the alcoholysis temperature, shortening the alcoholysis reaction time, lowering energy consumption, and improving production efficiency, and a manufacturing method thereof and its application in coatings. application. Background technique [0002] At present, alkyd resin production enterprises generally use pentaerythritol, soybean oil and catalyst alcoholysis conventional system in the process of manufacturing soybean oil modified alkyd resin. In the specific operation, it is necessary to stir and raise the temperature to 240-250 ° C, and keep it warm for 30-45 minutes to pass the alcoholysis. Such a high temperature will inevitably cause energy waste, and there are problems of low utilization rate of thermal resources and low production efficiency. Contents of the invention [0003] The purpose of the present invention is to pr...

Claims

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Application Information

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IPC IPC(8): C08L67/08C08G63/672C09D167/08
Inventor 朱建锋
Owner CARPOLY CHEM GRP
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