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Synthetic latex diatom inner wall emulsion paint and preparation method thereof

A technology of interior latex paint and synthetic emulsion, applied in the field of interior wall latex paint, can solve the problems of blocked adsorption and release of negative ions, incompatibility of latex paint with scrub resistance, poor air permeability, poor environmental protection and safety, etc., to achieve Good washing resistance, natural environmental sustainability, and low construction cost

Active Publication Date: 2015-12-23
ZHANG ZHOU SAN PAINTS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the above-mentioned patented product, the functions of diatomite such as adsorption and release of negative ions are hindered, and the scrub resistance of latex paint and the air permeability of the coating film are difficult to be compatible. In addition, the patent also uses ammonia and hydrochloric acid, which are corrosive and irritating. As a pH regulator, the material is not environmentally friendly and safe, and the function of diatom materials to absorb formaldehyde has been questioned on the paint procurement website "http: / / www.xici.net / d219712850.htm"

Method used

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  • Synthetic latex diatom inner wall emulsion paint and preparation method thereof
  • Synthetic latex diatom inner wall emulsion paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Prepare synthetic emulsion diatom white interior wall latex paint by the formula weight part of table 1, comprise the following steps:

[0047] a) Prepare raw materials according to the weight parts set by the formula, put hydroxyethyl cellulose, purified water, antifreeze, titanium dioxide, diatomaceous earth, calcium carbonate, and talcum powder into the container in turn and stir at a high speed of 1400-1600 rpm, After stirring evenly, grind on a horizontal sand mill until the fineness is ≤30μm, then transfer it to a mixing container, reduce the speed to 800 rpm, add polymer emulsion, film-forming aids, and leveling agents , add a thickener to adjust the viscosity required by the customer.

[0048] b) Test-filter-package-sample retention.

Embodiment 2

[0050] The adjustment of the formula ratio of this embodiment is shown in Table 1. The specific implementation process is basically the same as that of Example 1, the only difference being that the high-speed stirring speed is 1200-1400 rpm, and the stirring time is 30 minutes.

Embodiment 3

[0052] The adjustment of the formula ratio of this embodiment is shown in Table 1. The specific implementation process is basically the same as that of Example 1, the only difference being that the high-speed stirring speed is 1200-1400 revolutions per minute, and the stirring time is 15 minutes.

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Abstract

The invention discloses synthetic latex diatom inner wall emulsion paint and a preparation method thereof. The inner wall emulsion paint is prepared from, by weight, 260-300 parts of polymer emulsion, 1-5 parts of hydroxyethyl cellulose, 200-220 parts of diatomite, 10-25 parts of anti-freezing agents, 15-17 parts of film-forming auxiliaries, 1-5 parts of thickeners, 1-5 parts of flatting agents, 4-8 parts of wetting dispersants, 1-5 parts of defoaming agents, 60-120 parts of filler and 300-315 parts of water. The PVC / CPVC of the emulsion paint is 1.1-1.3. The PVC is the pigment size concentration of the emulsion paint, and the CPVC is the critical pigment volume concentration of the emulsion paint. The inner wall emulsion paint has water resistance, washability and air permeability at the same time, and the diatomite can effectively release anions.

Description

technical field [0001] The invention relates to the technical field of interior wall latex paint, and particularly discloses a synthetic emulsion diatom interior wall latex paint and a preparation method thereof. Background technique [0002] At present, the functional negative ion latex paints on the market basically release negative ions by adding negative ion powder containing rare earth elements. Diatomaceous earth is a kind of biogenic siliceous sedimentary rock. It is composed of the remains of ancient diatoms. It can continuously release negative oxygen ions. It is a natural and environmentally friendly material that does not contain any harmful heavy metals and other harmful ingredients. It has a substitute metal in the coating industry The environmental protection advantage of type negative ion powder. [0003] At present, the diatom interior wall decoration materials in the market are only "powder or mud", and the construction of diatom mud is different from tradi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D133/04C09D7/12C09D5/08C09D5/02
Inventor 许绍凰
Owner ZHANG ZHOU SAN PAINTS
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