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Method for efficient and quick determination of defoaming property of water-based paint

A water-based paint, rapid measurement technology, applied in measuring devices, analytical materials, instruments, etc., can solve problems such as unfavorable paint testing, affecting production progress, and long testing time.

Inactive Publication Date: 2017-09-22
FOSHAN COMWIN LIGHT & ELECTRICITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current test method of defoaming characteristics takes a long time, which is not conducive to the test of large batches and multi-variety coatings, which seriously affects the production progress

Method used

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  • Method for efficient and quick determination of defoaming property of water-based paint
  • Method for efficient and quick determination of defoaming property of water-based paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Adopt the method of the present invention to measure respectively water-based acrylic resin coating 18A, water-based acrylic resin coating 16A, water-based polyurethane coating KGF-01, water-based polyurethane coating KGF-02, water-based amino baking coating S-03 and water-based amino baking coating S-04 The defoaming properties of:

[0022] Step 1, weigh 20g of water-based acrylic resin paint 18A and pour it into No. 1 jar, weigh 20g of water-based acrylic resin paint 16A and pour it into No. 2 jar, weigh 20g of water-based Polyurethane coating KGF-01 and pour it into No. 3 jar, weigh 20g of water-based polyurethane coating KGF-02 and pour it into No. 4 jar, weigh 20g of water-based amino baking coating S- 03 and pour it into a No. 5 jar, weigh 20g of water-based amino baking coating S-04 and pour it into a No. 6 jar;

[0023] Step 2, inject water into the No. 1 jar at a height of 35 cm from the liquid level in the No. 1 jar, and the water-based acrylic resin coating ...

Embodiment 2

[0030] The traditional stirring method was used to measure the water-based acrylic resin coating 18A, water-based acrylic resin coating 16A, water-based polyurethane coating KGF-01, water-based polyurethane coating KGF-02, water-based amino baking coating S-03 and water-based amino baking coating S-04. Defoaming properties:

[0031] Step 1. Weigh 20g of water-based acrylic resin paint 18A and pour it into No. 1 blender, weigh 20g of water-based acrylic resin paint 16A and pour it into No. 2 blender, weigh 20g of water-based polyurethane paint KGF- 01 and pour it into blender No. 3, weigh 20g of water-based polyurethane coating KGF-02 and pour it into blender No. 4, weigh 20g of water-based amino baking paint S-03 and pour it into No. 5 In the blender, weigh 20g of water-based amino baking coating S-04 and pour it into No. 6 blender;

[0032] Step 2, above-mentioned six stirrers all carry out the stirring of 800r / min for 10 minutes;

[0033] Step 3, record the time that the w...

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Abstract

The invention discloses a method for efficient and quick determination of the defoaming property of a water-based paint. The method comprises the following steps: step A, selecting a wide-mouth bottle, weighing a set quantity of the water-based paint, and pouring the weighed water-based paint into the wide-mouth bottle; step B, injecting water into the wide-mouth bottle at a height, set distance away from the liquid level in the wide-mouth bottle, and stopping water injection when foam generated by the water-based paint in the water injection process reaches the bottleneck of the wide-mouth bottle; and step C, recording time from stop of water injection to complete foam disappearing to determine the defoaming time. Water injection foaming can quickly generate lots of foams, and the water-based paint is diluted by water injection, so that the generated foam is low in density and short in defoaming time, accordingly, the defoaming property of the water-based paint can be quickly determined, and the determination efficiency is improved.

Description

technical field [0001] The invention relates to the field of performance detection of water-based paints, in particular to a method for quickly and efficiently measuring the defoaming characteristics of water-based paints. Background technique [0002] In the production process of water-based coatings, air bubbles appear as interference factors, causing surface defects in the application of water-based coatings, which damage the appearance and also affect the anti-corrosion and weather resistance of the coating film, which affects the overall effect of the water-based coating to a certain extent . At present, the defoaming performance test of water-based paint is to pour the water-based paint into the container, seal it, and then shake it to make it generate foam, and measure the time it takes to eliminate the foam to judge its defoaming effect; or pour the water-based paint into an open container In the process, stir to make it produce foam, measure the time used for foam ...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/00G01N33/0096
Inventor 苏荣欢邱际海
Owner FOSHAN COMWIN LIGHT & ELECTRICITY
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