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Composite coating additive

A composite coating and additive technology, applied in the direction of coating, can solve the problems of delamination, poor leveling and high viscosity, and achieve the effects of convenient use, low cost and simple compatibility

Inactive Publication Date: 2012-07-11
张家港市惠发塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the addition of bentonite to the paint can significantly increase the hiding power, prevent the paint from settling, agglomerating, and has the advantages of thickening and thixotropy, there are still some problems that are difficult to overcome in use, such as: poor leveling , long-term storage will cause stratification, high viscosity, etc. These problems are more prominent when used in latex paints, so how to effectively overcome the shortcomings of bentonite in paints is a problem that needs to be further solved in the paint industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0010] Step 1: Purchase and merge the following raw materials in the city

[0011] Polyethylene oxide 3Kg

[0012] Polyethylene glycol 2Kg

[0013] Sodium carboxymethyl starch 5Kg

[0014] Step 2: Mix and stir the above-mentioned raw materials evenly,

[0015] The third step: filling, that is, to obtain a composite coating additive of the present invention.

[0016] When in use, a composite coating additive of the present invention is formulated into an aqueous solution with a concentration of 2-6%, and dissolved in the coating. The additive accounts for 0.2-0.5% of the mass in the coating, and a good effect can be achieved. .

[0017] The effect of the composite paint additive of the invention is better when used in the preparation of low-solid paint with bentonite and high-solid paint without bentonite. It is better to add the present invention in the early stage in the preparation of low solid paint, and add it after adding latex in the preparation of high solid paint....

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PUM

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Abstract

The invention discloses a composite coating additive, consisting of polyoxyethylene, polyethylene glycol and sodium carboxymethyl starch; the composite coating additive is prepared by normal methods such as preparing, mixing, stirring and filling, wherein compared with the prior art, the composite coating additive has simple compatibility, and is convenient in use and low in cost; when the additive is applied to the coating, the coating cost can be reduced; the can opening performance and coating performance are better; the additive plays a dispersing, thickening and flatting role; no stratification condition appears when the additive is stored for a long period and the fluidity is better; therefore, the composite coating additive can effectively overcome the disadvantages of bentonite in the coating.

Description

technical field [0001] The invention relates to a composite coating additive, in particular to an additive which can disperse, thicken and level the coating. Background technique [0002] In recent years, with the rapid rise of the building decoration industry, the application and demand of coatings, especially composite coatings, have increased, and the requirements for their quality have also become higher and higher. However, although the addition of bentonite to the paint can significantly increase the hiding power, prevent the paint from settling, agglomerating, and has the advantages of thickening and thixotropy, there are still some problems that are difficult to overcome in use, such as: poor leveling , Long-term storage will cause stratification, high viscosity, etc. These problems are more prominent when used in latex paints, so how to effectively overcome the shortcomings of bentonite in paints is a problem that needs to be further solved in the paint industry. ...

Claims

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Application Information

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IPC IPC(8): C09D7/12C09D7/06C09D7/47
Inventor 李亚东
Owner 张家港市惠发塑胶有限公司
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