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A quick-drying water-oil general-purpose modified water-based alkyd resin color repair agent

A water-based alkyd resin, general-purpose technology, used in biocide-containing paints, coatings, polyester coatings, etc., can solve the problem of slow drying speed of color correction agents, and achieve good wettability and fast drying speed. Effect

Active Publication Date: 2021-12-21
UNION FOSHAN CHEM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the problem of slow drying speed of the color repairing agent, the present invention introduces a low boiling point solvent methanol, which has a fast volatilization speed and greatly improves the drying speed of the color repairing agent. Adding triethylamine can effectively stabilize the pH value of the system and increase its stability Wait

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A modified aqueous alkyd resin A, according to a mass measure, consisting of below: castor oil, 5.0 parts of benzene oil, 10.0 parts of maleic anhydride, 2.0 parts of 2-hydroxythylamine, 4.5 parts of anise aldehyde, glacial acetate 0.065 parts, 12.0 parts of trimethylolpropane, 4.5 copies of terephthalic acid, 6.0 parts of hydroxyperthantate, 1.0 parts of antioxidants, silty acid saltylate, dihydroxymethyl) Acid 3.5 parts, 12.0 parts of xylene, 7.1 parts of triethylamine, 100.0 parts of deionized water.

[0029] The preparation method of a modified anharacterized alkyd resin A in this embodiment includes the following steps:

[0030] a) When preparing a husband intermediate, a solvent is made with anhydrous ethanol, which is 6 times that of the temperature of the reactant, and the amount of ice acetic acid is catalyst, the amount of the anisole of 2-hydroxythromylamine. In 1: 1, in the reactant, stirrer, dripping can, reflow condenser, anise aldehyde and anhydrous ethanol a...

Embodiment 2

[0035] A modified aqueous alkyd resin B, consisting of 17.0 copper oils, 8.0 parts of acetic anhydride, 9.0 parts of Nadak acid anhydride, 4.9 gink acetrahydrides, 4.0 parts of 2-hydroxythylamine 0.071 parts, 4.0 parts of pentaerythylene glycol, 3.8 parts of trimethylolpropane, 3.8 parts of dihydric acid, 6.8 parts of hydroxypertate, 1.1 parts of antioxidants, silicate, tantalic acid, dihydroxy 4.0 parts of topazolic acid, 13.0 parts of xylene, 6.8 parts of triethylamine, and 105 deionized water.

[0036] The preparation method of modified anhalic alkyd alkyd resin B in this embodiment includes the following steps:

[0037] a) When preparing a husband intermediate, a solvent is made with anhydrous ethanol, which is 6 times that of the temperature of the reactant, and the amount of ice acetic acid is catalyst, the amount of the anisole of 2-hydroxythromylamine. In 1: 1, in the reactant, stirrer, dripping can, reflow condenser, anise aldehyde and anhydrous ethanol are added, and the...

Embodiment 3

[0042] A modified aqueous alkyd resin C, composed of 0.0 parts by weight of cottonseed oil, 16.0 parts of benzepine oil, 3.0 parts of 2-hydroxyacemine, 6.8 parts of anise, 0.1 parts of glacial acetic acid, trihydroxy 15.0 parts of topazane, 6.0 parts of 3-methyl-1,3,5-pentanedylene glycol, 4.0 parts of sebacalic acid, 6.8 parts of hydroxypertate, 1.3 antioxidants, single carcass 3.0 parts of butyl ester, 4.0 parts of dihydroxymethyl proppropion, 15.0 parts of xylene, 8.5 parts of triethylamine, and 115.0 parts of deionized water.

[0043] In this embodiment, a method of preparing an aqueous anqueous alkyd alkyd resin C, comprising the steps of:

[0044] a) When preparing a husband intermediate, a solvent is made with anhydrous ethanol, which is 6 times that of the temperature of the reactant, and the amount of ice acetic acid is catalyst, the amount of the anisole of 2-hydroxythromylamine. In 1: 1, in the reactant, stirrer, dripping can, reflow condenser, anise aldehyde and anhydr...

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Abstract

The invention relates to a quick-drying water-based general-purpose modified water-based alkyd resin color repair agent, which consists of: 10.0-20.0 parts of modified water-based alkyd resin, 2.0-30.0 parts of water-based special color essence, 0.1-0.4 parts of defoaming agent, 0.1-0.5 parts of dispersant, 50.0-80.0 parts of methanol, 0.5-3.0 parts of triethylamine, 10.0-25.0 parts of deionized water; wherein, the modified water-based alkyd resin is made of vegetable oil , organic acid anhydride, 2‑hydroxyethylamine, anisaldehyde, polyol, polybasic acid, neopentyl glycol hydroxypivalate, monobutyl itaconate, dimethylol propionic acid and neutralizing agent ; A quick-drying water-oil general-purpose modified water-based alkyd resin color repair agent prepared by the present invention does not require additional bactericides, does not precipitate during storage, has a fast drying speed, has good wettability to primers, and does not appear to bloom; When adding color essence, it will not break the emulsion, and will not produce particles and sediments; it is not only suitable for color correction of water-based paints, but also can be used for color correction of oil-based paints.

Description

Technical field [0001] The present invention relates to a modified aqueous molding agent, and more particularly to a fast-drying water-dry general-purpose modified aqueous alkyd resin molding agent and a preparation method thereof, which belongs to aqueous functional polymer technology. Background technique [0002] Water-based wood coating is the main direction of the development of the wood coating industry in the past ten years. As the state is increased to environmental investigation, "oil-to-water" is an important topic in wood coatings in recent years. However, in the implementation of "oil-to-water", the traditional fully enclosed varnish surface is very difficult, due to the slowness of the water, the solvent coating is slow, the surface tension of water is large. It causes the aqueous mold coloring unevenness, which has seriously plagued the process of full-enclosed varnish painting "oil to water". [0003] When spraying, in order to improve production efficiency, a larg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/08C09D7/20C08G63/91C08G63/49C08G63/78
CPCC09D167/08C09D5/14C09D7/20C08G63/918C08G63/48C08G63/78
Inventor 张武康伦国姚东生
Owner UNION FOSHAN CHEM
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