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Styrene modified alkyd resin, preparation method thereof and alkyd resin paint

An alkyd resin and styrene technology, applied in the direction of coating, can solve the problems of slow drying of alkyd resin, limited application of alkyd resin, poor water resistance, etc. Effect

Inactive Publication Date: 2015-01-28
广东鲸鲨化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the shortcomings of alkyd resins such as slow drying, low hardness and poor water resistance, the further application of current alkyd resins is limited.

Method used

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  • Styrene modified alkyd resin, preparation method thereof and alkyd resin paint

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A styrene-modified alkyd resin is made from the following raw materials in terms of weight percentage: 23.2% styrene, 18.98% soybean oil, 1.8% glycerol, 1% tung oil, 7% phthalic anhydride, vegetable Seed oil scraps 2%, pentaerythritol 4%, benzoic acid 3%, E-44 epoxy resin 1%, lithium hydroxide 0.01%, zinc oxide 0.01%, maleic anhydride 5%, tert-butyl peroxybenzoate 0.8% ester, 0.2% tert-amyl peroxybenzoate, 8% xylene, 24% trimethylbenzene; its preparation process comprises the following steps:

[0029] 1) After mixing soybean oil, glycerin, rapeseed oil leftovers, tung oil, benzoic acid, pentaerythritol, lithium hydroxide, zinc oxide, and E-44 epoxy resin according to the above weight percentages, heating to 240 ° C, And keep warm until the mixture is transparent;

[0030] 2) Cool down the transparent mixed solution in step 1) to below 180°C, add maleic anhydride and phthalic anhydride in the above percentage by weight to the mixed solution, and raise the temperature to...

Embodiment 2

[0033] A styrene-modified alkyd resin is made from the following raw materials by weight percentage: 27.78% styrene, 14% soybean oil, 1.5% hexanediol, 3% tung oil, 8% phthalic anhydride, ten Octadecadienoic acid dimer waste 2%, pentaerythritol 3%, benzoic acid 2%, E-51 epoxy resin 3%, zirconium isooctanoate 0.01%, zinc oxide 0.01%, maleic anhydride 1%, Benzoyl peroxide 0.2%, di-tert-butyl peroxide 1.5%, xylene 8%, trimethylbenzene 25%; its preparation process comprises the following steps:

[0034] 1) Mix and stir soybean oil, hexanediol, octadecadienoic acid dimer waste, tung oil, benzoic acid, pentaerythritol, zirconium isooctanoate, zinc oxide, and E-51 epoxy resin according to the above weight percentage , heated to 235°C, and kept warm until the mixture was transparent;

[0035]2) Cool down the transparent mixed solution in step 1) to below 180°C, add maleic anhydride and phthalic anhydride in the above percentage by weight to the mixed solution, and raise the temperatur...

Embodiment 3

[0038] A kind of styrene-modified alkyd resin lacquer, its percentage by weight is composed of: styrene-modified alkyd resin obtained in embodiment 1: 96%, fluorescent pigment: 2%, cobalt isooctanoate: 0.2%, isooctanoate Manganese: 0.2%, W-2000 composite drier: 1%, BYK-161: 0.2%, BYK-141: 0.2%, BYK-306: 0.2%; mix and stir the above components at room temperature, and The styrene-modified alkyd resin paint of the present invention is obtained by grinding to a particle size of ≤20 μm.

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Abstract

The invention discloses styrene modified alkyd resin which comprises the following raw materials in percentage by weight: 12-30% of styrene, 8-16% of xylene, 24-35% of trimethylbenzene, 14-19% of soybean oil, 1.5-1.8% of a toughening agent, 1-5% of tung oil, 7-9% of phthalic anhydride, 1-4% of pentaerythritol, 1-3% of epoxy resin, 1-3% of benzoic acid, 1-5% of maleic anhydride, 1.5-2% of grease leftovers, 0.01-0.03% of a catalyst, and 1-3% of an initiator. The invention further discloses alkyd resin paint containing the styrene modified alkyd resin. The alkyd resin paint comprises the following components in percentage by weight: 70-99% of the styrene modified alkyd resin disclosed by the invention, 0-30% of pigment and 0.2-1.5% of an additive. The styrene modified alkyd resin disclosed by the invention is simple in preparation method, due to copolymerization reaction of styrene, unsaturated fatty acid and maleic anhydride, the modified alkyd resin has the characteristics of high hardness and rapid dryness, when the modified alkyd resin is used in alkyd resin paint, the defects that the conventional alkyd resin paint is long in construction period, low in working efficiency and poor in water resistance are overcome.

Description

technical field [0001] The present invention relates to a polymer resin, in particular to a styrene-modified alkyd resin and a preparation method thereof. In addition, the present invention also relates to a styrene-modified alkyd containing the styrene-modified alkyd resin A resin paint belongs to the field of polymer materials. Background technique [0002] Due to the mature synthesis technology of alkyd resin, simple manufacturing process, easy access to synthetic raw materials, etc., and its good gloss, adhesion, wear resistance, insulation and other characteristics after curing into a film, it currently has a large market share. Rate, this method is applied to the fields such as metal protection, furniture, vehicle, construction, in addition, also is used as the insulating layer of enameled wire in a large amount, and is made ink and is used in printing industry in large quantities. However, due to the defects of slow drying, low hardness and poor water resistance of a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F283/01C08F212/08C08G63/676C09D151/08C09D7/12
Inventor 陈锡深刘俊超李志广
Owner 广东鲸鲨化工有限公司
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