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Self-antibacterial water-based alkyd resin for color modification and preparation method thereof

A water-based alkyd resin, color repair technology, applied in coatings, polyester coatings, etc., can solve the problems of easy precipitation and unstable system, and achieve good adhesion, good wettability and good compatibility.

Active Publication Date: 2020-03-06
UNION FOSHAN CHEM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved in the present invention is to overcome the shortcomings such as system instability and easy precipitation caused by physical external bactericide, and introduce the Schiff base structure with antibacterial and bactericidal effects into the molecular structure of water-based alkyd resin through chemical bonds. Helps to sterilize the primer and finish paint, green and environmental protection

Method used

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  • Self-antibacterial water-based alkyd resin for color modification and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A self-antibacterial water-based alkyd resin for color correction, which consists of the following formula in parts by weight: 16.0 parts of refined castor oil, 8.0 parts of phthalic anhydride, 10.0 parts of maleic anhydride, 6.0 parts of hydroxyl Schiff base, trimethylol 13.0 parts of propane, 6.0 parts of neopentyl glycol hydroxypivalate, 0.8 parts of antioxidant, 2.5 parts of monobutyl itaconate, 3.5 parts of dimethylolpropionic acid, 12.0 parts of xylene, 7.5 parts of triethylamine , 100.0 parts of deionized water.

[0027] A kind of preparation method of self-antibacterial water-based alkyd resin for color correction in the present embodiment comprises the following steps:

[0028] a) In the multifunctional reaction kettle, add refined castor oil, phthalic anhydride, maleic anhydride, trimethylolpropane, neopentyl glycol hydroxypivalate, antioxidant, dimethylol in sequence according to the weight of the formula Propionic acid and xylene, N 2 , to remove the O in ...

Embodiment 2

[0032] A self-antibacterial water-based alkyd resin for color correction, which consists of the following formula in parts by weight: 17.0 parts of tung oil, 8.0 parts of acetic anhydride, 13.0 parts of phthalic anhydride, 5.0 parts of hydroxyl Schiff base, 4.0 parts of pentaerythritol, trimethylol 12.0 parts of propane, 6.8 parts of neopentyl glycol hydroxypivalate, 0.8 parts of antioxidant, 2.4 parts of monobutyl itaconate, 4.0 parts of dimethylolpropionic acid, 13.0 parts of xylene, and 6.8 parts of triethylamine , 115.0 parts of deionized water.

[0033] A kind of preparation method of self-antibacterial water-based alkyd resin for color correction in the present embodiment comprises the following steps:

[0034] a) In the multifunctional reactor, add tung oil, acetic anhydride, phthalic anhydride, pentaerythritol, trimethylolpropane, neopentyl glycol hydroxypivalate, antioxidant, dimethylol propionic acid and xylene, N 2 , to remove the O in the reactor 2 ;

[0035]b)...

Embodiment 3

[0038] A self-antibacterial water-based alkyd resin for color correction, which consists of the following formula in parts by weight: 18.0 parts of cottonseed oil, 18.0 parts of phthalic anhydride, 6.5 parts of hydroxyl Schiff base, 13.0 parts of trimethylolpropane, 1,2 , 5.0 parts of 4-butanetriol, 6.0 parts of neopentyl glycol hydroxypivalate, 0.7 parts of antioxidant, 2.2 parts of monobutyl itaconate, 3.8 parts of dimethylol propionic acid, 14.0 parts of xylene, 9.2 parts of triethylamine, 115.0 parts of deionized water.

[0039] A kind of preparation method of self-antibacterial water-based alkyd resin for color correction in the present embodiment comprises the following steps:

[0040] a) In the multifunctional reaction kettle, add cottonseed oil, phthalic anhydride, 1,2,4-butanetriol, trimethylolpropane, neopentyl glycol hydroxypivalate, antioxidant agent, dimethylolpropionic acid and xylene, pass through N 2 , to remove the O in the reactor 2 ;

[0041] b) Heat up ...

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Abstract

The invention relates to a self-antibacterial water-based alkyd resin for color modification and a preparation method thereof. The self-antibacterial waterborne alkyd resin consists of the following components in parts by weight: 10.0-22.0 parts of dry vegetable oil, 12.0-32.0 parts of organic anhydride, 4.0-8.0 parts of hydroxyl Schiff base, 8.0-25.0 parts of polyol, 4.0-10.0 parts of neopentylglycol mono(hydroxypivalate), 0.4-1.0 part of an antioxidant, 1.0-4.0 parts of monobutyl itaconate, 2.5-5.0 parts of dihydromethyl propionic acid, 8.0-16.0 parts of xylene, 3.5-10.0 parts of a neutralizer and 70.0-120.0 parts of deionized water. The self-antibacterial water-based alkyd resin for color modification has good compatibility with water-based color concentrates, can be uniformly mixed with alcohol and ether solvents in any proportion, does not generate precipitates, has a fast drying speed, has a good wetting property to primers, is free from color floating, and has good adhesive force. When the self-antibacterial water-based alkyd resin is prepared into a water-based color modifier, a lifting phenomenon is avoided.

Description

technical field [0001] The invention relates to a modified water-based alkyd resin, in particular to a self-antibacterial water-based alkyd resin for color correction and a preparation method thereof, belonging to the technical field of synthetic resins. Background technique [0002] Due to the different materials of the materials themselves, when they are assembled together for color correction, the color correction effect will be inconsistent, and the wood texture will show different conditions. In order to make the painting effect more beautiful, surface coloring treatment can be used, which does not require high operation. Through Wiping, brushing, and spraying methods can be realized, and only one step is required to complete. Because color correction itself is a very complicated process, the general color correction is due to the inconsistency of the materials of the decorative panels and furniture materials, so it is necessary to carry out the bottom color correction ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G63/49C09D167/08
CPCC08G63/48C09D167/08
Inventor 张武谢义鹏康伦国姚东生
Owner UNION FOSHAN CHEM
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