Waterborne acrylic acid modified alkyd resin and preparation method

A water-based acrylic and alkyd resin technology, used in coatings, polyester coatings, etc., can solve problems such as high toxicity, liver and kidney damage, animal reproductive system damage, etc., and achieve the effect of uniform molecular weight and good technical effect.

Active Publication Date: 2019-02-05
江苏三木化工股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, ethylene glycol monobutyl ether will cause damage to human li

Method used

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  • Waterborne acrylic acid modified alkyd resin and preparation method
  • Waterborne acrylic acid modified alkyd resin and preparation method
  • Waterborne acrylic acid modified alkyd resin and preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0030] 1, a kind of water-based acrylic acid modified alkyd resin, it is made by the raw material of following percentage by weight: 22% soybean oil fatty acid, 14% trimethylolpropane, 13% phthalic anhydride, 0.05% hypophosphorous acid, 1% reflux xylene, 0.7% maleic anhydride, 2.5% trimellitic anhydride, 4% methyl methacrylate, 6% styrene, 1% butyl acrylate, 0.5% initiator dibenzoyl peroxide, 28% propylene glycol methyl ether.

[0031] 2, the preparation method of waterborne acrylic acid modified alkyd resin, comprises the following steps:

[0032] (1) 22% soybean oil fatty acid, 14% trimethylolpropane, 13% phthalic anhydride, 0.05% hypophosphorous acid, 1% reflux xylene are dropped in the reaction kettle by weight percentage, then be warming up to 180 ℃ of insulation 3 hours, use 2 Heat up from 180°C to 220°C within hours, and then reflux at 220°C-230°C for esterification. After reflux for 2 hours, start sampling to measure the acid value. Take it out and take a sample to me...

Embodiment 2

[0044] 1, a kind of water-based acrylic acid modified alkyd resin, it is made of the raw material of following percentage by weight: 12% sunflower oil acid, 12% linseed oil fatty acid, 15% trimethylolethane, 14% phthalic anhydride, 0.15% linoleic acid Triphenyl phosphate, 3% refluxed xylene, 1% maleic anhydride, 2.7% trimellitic anhydride, 5% methyl methacrylate, 8% styrene, 2% butyl acrylate, 1% initiator azobisiso Nitrile, 29% propylene glycol methyl ether.

[0045] 2, the preparation method of waterborne acrylic acid modified alkyd resin, comprises the following steps:

[0046] (1) 12% sunflower acid, 12% linseed oil fatty acid, 15% trimethylolethane / 14% phthalic anhydride, 0.15% triphenyl phosphite, 3% reflux xylene are dropped into the reactor by weight percentage, Then heat up to 180°C for 3 hours, then heat up from 180°C to 220°C in 2.5 hours, then reflux at 220°C-230°C for esterification, and start sampling to measure the acid value after reflux for 2 hours. When the ...

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Abstract

The invention discloses waterborne acrylic acid modified alkyd resin and a preparation method. The waterborne acrylic acid modified alkyd resin is prepared from the following raw materials: 22 to 24 percent of dry or semi-dry plant oleic acid, 14 to 15 percent of tribasic alcohol with a side chain, 13 to 14 percent of phthalic anhydride, 0.05 to 0.15 percent of a color reduction agent, 1 to 3 percent of refluxing xylol, 0.7 to 1 percent of cis-butenedioic anhydride, 2.5 to 2.7 percent of trimellitic anhydride, 4 to 5 percent of methyl methacrylate, 6 to 8 percent of styrene, 1 to 2 percent ofbutyl acrylate, 0.5 to 1 percent of an initiator and 28 to 29 percent of propylene glycol methyl ether. The waterborne acrylic acid modified alkyd resin is obtained by combining the above preferable raw materials; the waterborne acrylic acid modified alkyd resin has good environment protection performance and low toxicity, also keeps excellent comprehensive performance including glossiness, adhesion and, rigidity and the like and has very good technical effects.

Description

technical field [0001] The invention relates to a resin, in particular to a water-based acrylic-modified alkyd resin with environmental protection, low toxicity, and excellent performances such as gloss, adhesion, and hardness, and belongs to the technical field of polymer materials. Background technique [0002] Acrylic modified alkyd resin not only has the advantages of good fullness of self-drying alkyd resin, easy brushing of paint, good wettability to pigments, etc., but also has fast drying, high hardness, gloss and color retention of acrylic resin Good and other advantages, it is the first resin for outdoor anti-corrosion paint. However, with the strengthening of people's awareness of environmental protection and the country's control of VOC (volatile organic compounds) in coatings, it is imperative to make acrylic modified alkyd resins water-based. [0003] Although water-based acrylic modified resins have been developed at present, the current water-based acrylic m...

Claims

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Application Information

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IPC IPC(8): C08F283/01C08F220/14C08F212/08C08F220/18C08G63/49C08G63/78C08G63/91C09D167/08C09D7/61C09D7/63
CPCC08F283/01C08G63/48C08G63/78C08G63/91C08K2003/2241C09D167/08C09D7/61C09D7/63C08K3/22C08K5/17C08F220/1804
Inventor 杨森史汇锋薛伟
Owner 江苏三木化工股份有限公司
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