Detection method for compatibility of water-based color paste in latex paint

A water-based color paste and detection method technology, applied in the direction of color/spectral characteristic measurement, test sample preparation, etc., can solve the problem of inability to reflect the compatibility of color paste and latex paint, inconvenient production and application, and insufficient accuracy and other problems to achieve the effect of preventing floating color, easy operation and eliminating missed detection

Active Publication Date: 2016-03-02
鳄鱼尼卡(上海)新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing method for testing the compatibility of water-based color paste in latex paint is: use a certain amount of color paste to mix evenly in latex paint and then detect it, mainly based on GB / T21090-2007 "Colorable Latex Base Paint", although This method is relatively simple, but it is not accurate enough, and it cannot reflect the compatibility of color paste and latex paint during construction and storage. Sometimes it passes the standard test, but incompatibility still occurs in actual application. Bring inconvenience to the production and application process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Add the water-based color paste Evonik Degussa C-30 carbon black to the experimental elastic exterior wall paint at a weight ratio of 2%, stir evenly to make a standard sample paint, then take 3 samples, and process them respectively according to the following 3 methods:

[0034] (1) Stir a portion of the sample paint at high speed at 1000 rpm for 20 minutes, then place it at room temperature (25°C);

[0035] (2) Stir one portion of the sample paint evenly after adding 0.2% wetting agent X405;

[0036] (3) Store a portion of the sample paint in an oven at 50°C for 14 days, and then place it at room temperature (25°C);

[0037] Scrape-coat the standard sample paint and the sample paint treated by the above three methods on white coated paper to prepare a color card with a wet film preparer. The thickness of the coating film is 150 microns; the coating film on the color card is placed at room temperature At 25 minutes, perform finger grinding according to the finger grindi...

Embodiment 2

[0049] Add the water-based colorant Evonik Degussa C-30 carbon black to the alligator high weather-resistant elastic exterior wall paint W6020 at a weight ratio of 2%, stir evenly to make a standard sample paint, and then take 3 samples and treat them according to the following 3 methods:

[0050] (1) Stir a portion of the sample paint at high speed at 1000 rpm for 20 minutes, then place it at room temperature (about 25°C);

[0051] (2) Stir one part of the sample paint evenly after adding 0.2% wetting agent, and the wetting agent is X405;

[0052] (3) Store a portion of the sample paint in an oven at 50°C for 14 days, and then place it at room temperature;

[0053] Scrape-coat the standard sample paint and the sample paint treated by the above three methods on white coated paper to prepare a color card with a wet film preparer. The thickness of the coating film is 150 microns; the coating film on the color card is placed at room temperature At 25 minutes, perform finger grin...

Embodiment 3

[0065] Add the water-based color paste Evonik Degussa C-30 carbon black to the crocodile professional general exterior wall paint J4080 at a mass ratio of 0.5%, 873-1801 iron yellow 1.5%, 873-1001 iron red 1.5%, stir evenly to make a standard sample paint, and then Take 3 samples and process them according to the following 3 methods:

[0066] (1) Stir a portion of the sample paint at high speed at 1000 rpm for 20 minutes, then place it at room temperature (about 25°C);

[0067] (2) Stir one part of the sample paint evenly after adding 0.2% wetting agent, and the wetting agent is X405;

[0068] (3) Store a portion of the sample paint in an oven at 50°C for 14 days, and then place it at room temperature;

[0069] The standard sample paint and the sample paint treated by the above three methods are respectively scraped and coated on white coated paper with a wet film preparer to prepare a color card. The thickness of the coating film is 150 microns; the coating film on the color...

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Abstract

The invention relates to a detection method for compatibility of latex paint, in particular to a detection method for compatibility of water-based color paste in the latex paint. The detection method includes the steps that the water-based color paste is added into the latex paint and uniformly stirred to prepare standard sample paint, three standard sample paint samples equal in weight are sampled at will and processed, chromatism values are obtained through card making, detection and calculation, and when all the chromatism values meet the requirement and namely are smaller than 0.5, it is judged that the compatibility of the water-based color paste in the latex paint is up to the standard. The detection method can accurately measure the compatibility of the water-based color paste in the latex paint, and the phenomena of flooding and floating of the latex paint are prevented, and use cost is saved. The detection method is easy to operate, short in time and high in accuracy and eradicates missing detection in a prior use detection method.

Description

technical field [0001] The invention relates to a detection method for the compatibility of latex paint, in particular to a detection method for the compatibility of water-based color paste in latex paint. Background technique [0002] In the use of latex paint, it is often necessary to add water-based color paste for color matching. The compatibility of water-based color paste from different manufacturers with latex paint of different formulas is very important. If the compatibility is not good, the color development of the paint will become worse. Unstable, the paint will appear floating color and flowering during construction, and the color of the paint will also change during storage. [0003] The existing method for testing the compatibility of water-based color paste in latex paint is: use a certain amount of color paste to mix evenly in latex paint and then detect it, mainly based on GB / T21090-2007 "Colorable Latex Base Paint", although This method is relatively simp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25G01N1/38
Inventor 徐昌平王律曹文胜周菊燕陈佳佳
Owner 鳄鱼尼卡(上海)新材料有限公司
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