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Method for preparing aqueous latex paint by using modified cellulose gum

A technology of water-based latex paint and cellulose glue, which is applied in the direction of latex paint, cellulose paint, coating, etc., can solve problems such as the application of modified cellulose glue, and achieve the effect of saving production costs

Inactive Publication Date: 2010-08-18
丹尼斯克(张家港)亲水胶体有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there is no method to apply modified cellulose glue in latex paint at present

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The method of using modified cellulose glue to make water-based latex paint comprises the following steps:

[0023] (1), add the deionized water that mass percent is 28% in the container, add the modified cellulose gum that mass percent is 0.3% while stirring, and stir evenly, the time is 5 minutes;

[0024] (2), adding the ammoniacal liquor that mass percent is 0.1%, the sodium polycarboxylate that mass percent is 0.2%, the tributyl phosphate that mass percent is 0.06% and the parachlororesorcinol that mass percent is 0.2%, stir for 10 minutes ;

[0025] (3), adding mass percent successively is 10% kaolin, mass percent is 4.5% talcum powder, mass percent is 3% titanium dioxide and mass percent is 32% heavy calcium carbonate, medium-speed stirring adds mass percent as 1% ethylene glycol, stir well;

[0026] (4) Disperse for 60 minutes at a speed of 2000 r / min, sand and grind;

[0027] (5), slowly add the styrene-acrylic acid that mass percent is 8% and the tributyl p...

Embodiment 2

[0030] The method of using modified cellulose glue to make water-based latex paint comprises the following steps:

[0031] (1), add the deionized water that mass percent is 20% in the container, add the modified cellulose gum that mass percent is 0.6% while stirring, and stir, and the time is 10 minutes;

[0032] (2), adding the sodium hydroxide that the mass percentage is 0.3%, the sodium polyacrylate that the mass percentage is 0.4%, the polypropylene glycol that the mass percentage is 0.3% and the tetradecyldimethylbenzyl chloride that the mass percentage is 0.3% ammonium chloride, stirring for 20 minutes;

[0033] (3), adding mass percent successively is 15% kaolin, mass percent is 1% talcum powder, mass percent is 1% titanium dioxide and mass percent is the heavy calcium carbonate of 20%, medium-speed stirring adds mass percent as 0.5% ethylene glycol, stir well;

[0034] (4) Disperse for 40 minutes at a speed of 4000 r / min, sand and grind;

[0035] (5), slowly add the...

Embodiment 3

[0038] The method of using modified cellulose glue to make water-based latex paint comprises the following steps:

[0039] (1), add the deionized water that mass percent is 10% in the container, add the modified cellulose gum that mass percent is 0.4% while stirring, and stir, and the time is 8 minutes;

[0040] (2), adding the potassium hydroxide that mass percent is 0.4%, the polyphosphate that mass percent is 0.3%, the tributyl phosphate that mass percent is 0.2% and the parachlororesorcinol that mass percent is 0.4%, stir well 15 minutes;

[0041] (3), adding mass percent successively is 18% kaolin, mass percent is 8% talcum powder, mass percent is 4% titanium dioxide and mass percent is 30% heavy calcium carbonate, medium-speed stirring adds mass percent as 3% ethylene glycol, stir well;

[0042] (4) Disperse for 50 minutes at a speed of 3000 r / min, sand and grind;

[0043] (5), slowly add the styrene-acrylic acid that mass percent is 15% and the tributyl phosphate tha...

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Abstract

The invention relates to a method for preparing aqueous latex paint by using modified cellulose gum. The method comprises the following steps of: firstly, adding deionized water into a container, adding the modified cellulose gum with a mass percent of 0.3 to 0.6 into the deionized water with stirring to obtain a mixture, and uniformly stirring the mixture; secondly, adding a PH regulator, a dispersant, a deforming agent and a bactericide into the mixture and uniformly stirring the mixture; thirdly, adding kaolinite, talcpowder, titanium oxide and heavy calcium carbonate into the mixture in turn, adding ethylene glycol with stirring at a middle speed, and uniformly stirring the mixture; fourthly, performing high-speed dispersion for 40 to 60 minutes and grinding the products by using a sand mill; fifthly, slowly adding phenylethylene-acrylic emulsion and the deforming agent into the mixture and stirring the mixture; and finally, adding an leveling agent of acrylic polymers and the deionized water into the mixture. The aqueous latex paint prepared by the method not only guarantees product performance but also has low production cost.

Description

technical field [0001] The invention relates to a water-based latex paint, in particular to a preparation method of the water-based latex paint. Background technique [0002] Generally, thickeners for latex paints are divided into two categories: organic thickeners and inorganic thickeners. Among them, there are three types of organic thickeners: natural polymers, cellulose derivatives and synthetic polymers. Among them, the main representative products of cellulose derivatives are hydroxyethyl cellulose, hydroxypropyl methyl cellulose, methyl cellulose derivatives and sodium carboxymethyl cellulose. This kind of thickener has better thickening effect. [0003] Currently on the market, cellulose derivative thickeners mainly use hydroxyethyl cellulose and sodium carboxymethyl cellulose, of which hydroxyethyl cellulose accounts for about 55-50%, and sodium carboxymethyl cellulose accounts for about 35%. -40%. Large-scale foreign and private coating companies mainly use hyd...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D125/08C09D101/02C09D5/02C09D1/00C09D7/12
Inventor 戴振刚陆艺峰
Owner 丹尼斯克(张家港)亲水胶体有限公司
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