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Composite drier for aqueous air drying type coating

A composite drier and air-drying technology, which is applied in the direction of drier, chemical instruments and methods, etc., can solve the problems of reduced gloss, easy defects on the surface of the paint film, and decreased stability of the dispersion system, so as to improve optical quality. properties, ideal appearance, maintenance and improvement of effectiveness and long-lasting effects

Active Publication Date: 2009-04-15
上海华谊涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] · The surface of the paint film is prone to defects
[0017] Decreased stability of dispersion system
[0018] · Gloss reduction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 22.2 g of cobalt isooctanoate (13.5% by weight of metal content), 16.5 g of zirconium isooctanoate (24.3% by weight of metal content), 20 g of manganese isooctanoate (10 wt. # Add 5g of gasoline into the adjustable-speed high-speed stirring tank, pass nitrogen gas at room temperature, start the stirrer, and gradually increase the speed from low to high to 2000-3000r / min, and mix well. Weigh 27.3g of deionized water, add deionized water dropwise at a certain rate, the viscosity of the system increases with the increase of deionized water, and the viscosity decreases rapidly after reaching the phase inversion point, and then add the remaining deionized water Stir the tank, and reduce the rotation speed to 400-1000r / min to obtain the purple composite drier emulsion I, the solid content of which is 56.4% by weight.

Embodiment 2

[0034] 22.2 g of cobalt isooctanoate (13.5% by weight of metal content), 20.6 g of zirconium isooctanoate (24.3% by weight of metal content), 21.3 g of barium naphthenate (14.1% by weight of metal content), 10 g of reactive non-migratory surfactant and 200 # Add 5g of gasoline into the adjustable-speed high-speed stirring tank, pass nitrogen gas at room temperature, start the stirrer, and gradually increase the speed from low to high to 2000-3000r / min, and mix well. Weigh 21.7g of deionized water, add deionized water dropwise at a certain rate, the viscosity of the system increases with the increase of deionized water, and the viscosity decreases rapidly after reaching the phase inversion point, and then add the remaining deionized water Stir the tank, and reduce the rotation speed to 400-1000r / min to obtain the purple composite drier emulsion II with a solid content of 55.8% by weight.

Embodiment 3

[0036] Cobalt isooctanoate (13.5% by weight of metal content) 37g, zirconium isooctanoate (24.3% by weight of metal content) 31g, lithium naphthenate (10% by weight of metal content) 2g, reactive non-migrating surfactant 10g and 200 # Add 5g of gasoline into the adjustable-speed high-speed stirring tank, pass nitrogen gas at room temperature, start the stirrer, and gradually increase the speed from low to high to 2000-3000r / min, and mix well. Weigh 15g of deionized water, add deionized water dropwise at a certain rate, the viscosity of the system increases with the increase of the amount of deionized water, and the viscosity decreases rapidly after reaching the phase inversion point, and then add the remaining deionized water to stir kettle, and reduce the rotation speed to 400-1000r / min to obtain purple composite drier emulsion III with a solid content of 72.0% by weight.

[0037] Cobalt isooctanoate, zirconium isooctanoate, manganese isooctanoate, barium naphthenate, lithium...

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PUM

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Abstract

The invention relates to a compound drier emulsion which has a 'nuclear-shell' structure and is used for a waterborne air-drying coating, which is characterized in that the compound drier emulsion is the purple emulsion containing various metal ingredients, which takes an organic metal soap as a 'nuclear', takes a reactive non-migrant surfactant as a 'shell' and is compounded by being matched with a special emulsifier, and the solid content is 45 to 72 percent by weight. The compound drier emulsion can ensure the stability of the coating and the effectiveness of the drier, reduce the defects of a paint film and improve the gloss of the paint film by being used for the waterborne air-drying coating.

Description

technical field [0001] The invention relates to the paint industry in the field of chemical industry, in particular to the compounding of an important compounding agent for an environment-friendly water-based paint, that is, the compounding of a drier and its preparation method. Background technique [0002] In the German standard DIN55901, the drier is defined as follows: "The drier, also known as the dry material in the solution state, is an organometallic compound that can be dissolved in organic solvents and resins. From a chemical point of view, it Belonging to metal soaps, when added to unsaturated oils and resins, the drying time can be greatly shortened, that is, the curing speed can be accelerated." [0003] At present, driers are generally divided into the following categories: [0004] 1. Main drier: They are generally metal soaps containing multiple oxidation valence states, which can undergo redox reactions. Commonly used driers of this type in the industry ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09F9/00
Inventor 赵其中董玉婷孙凌
Owner 上海华谊涂料有限公司
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