Additive capable of regulating coating gloss and preparation method thereof

A kind of additive preparation and additive technology, applied in the direction of coating, etc., can solve the problems of color deviation of the construction coating film, increase the thickness of the paint film, waste pigment toning, etc., to reduce floating color and flowering, increase permeability, and improve adsorption performance effect

Active Publication Date: 2018-07-17
GUANGDONG YATU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In liquid coating compositions, gloss reduction is often achieved by the use of high volume pigments and/or filler particles to reduce reflections, but it will cause the fluidity of the paint film, so that when the liquid coating is sprayed, due to poor fluidity, At the same time, under the action of gravity, no matter when spraying on a flat or inclined surface, there will inevitably be sagging, orange peel, non-smooth hand feeling and uneven gloss. At the same time, due to the high volume of pigment and/or filler particles , in order to improve the fluidity of the paint film, it is necessary to add other substances with strong fluidity, which will inevitably increase the thickness of the paint film, and the increase of the paint film thickness, and at the same time the paint film contains a high volume of pigments and/or filler particles, which will cause the paint The f...

Method used

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  • Additive capable of regulating coating gloss and preparation method thereof
  • Additive capable of regulating coating gloss and preparation method thereof
  • Additive capable of regulating coating gloss and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Preparation of additives that can control the gloss of paint

[0037] The formula of additive is as shown in table 1, and its preparation process is as follows:

[0038] (1)) Drop into 30wt% propylene glycol methyl ether acetate, 15wt% xylene, 20wt% matte powder dispersant, all fumed silica and 20wt% acrylic resin successively in the container according to the formula quantity, mix well, stir speed 600-900 rev / min, after stirring for 20-40 minutes, grind the mixture. In order to improve production efficiency, first grind the fineness of fumed silica to a fineness of ≤15 μm to obtain fumed silica semi-finished slurry;

[0039] (2) drop propylene glycol methyl ether acetate, xylene, acrylic resin and mat powder dispersant into the container according to the formula amount, stir evenly, and the stirring speed is 600-900 rpm to obtain the mixture A;

[0040] (3) Put fumed silica semi-finished slurry into mixture A, stir evenly, and the stirring speed is 600-900 rpm to obta...

Embodiment 2

[0055] Table 4 is the feeding formula for changing the content of each substance under the condition that the types of substances in the formula are kept unchanged in Example 1, and the additives are prepared according to the preparation process of Example 1.

[0056] The properties of the additives prepared by formula 6-9 are shown in Table 5. Compared with the properties of Table 2, it can be seen that when the content of each component raw material exceeds the range disclosed in Table 1 in Example 1, the additives are added to the paint, and the obtained paint The performance of the membrane is drastically reduced in all aspects.

[0057] Table 4 Additives of different formulations

[0058]

[0059] The paint film performance testing data that the additive that table 5 formula 6-9 obtains is used in conjunction with paint and obtains

[0060]

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PUM

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Abstract

The invention discloses an additive capable of regulating coating gloss and a preparation method thereof. The additive is composed of, by weight, 10-15 parts of propylene glycol ether solvent, 30-40 parts of diluent, 20-30 parts of resin carrier, 0.1-1 part of matte powder dispersant, 0.5-1 part of fumed silica, 10-15 parts of matte powder, 0.05-0.2 part of wetting agent and 0.01-0.2 part of mattehand feeling auxiliaries. The additive not only has a paint film with matte effects, but also can adjust different gloss levels by changing the content of additive formula; liquid coating added withthe additive has a transparency which is 20% higher than transparency of existing liquid coating; the case of misty surface dyeing is greatly reduced, the surface of the obtained paint film is smooth,and the hand feels fine and smooth.

Description

technical field [0001] The invention belongs to the field of paint preparation, and in particular relates to an additive capable of regulating paint gloss. Background technique [0002] Paint is a kind of decorative material, which can form a layer of paint film on the surface of the object after coating, which has a certain protective and decorative effect, including liquid paint and solid powder paint. [0003] Gloss is the reflection characteristic of the surface of an object. When the incident light hits the surface of the paint film, total reflection and scattering will occur. The surface of the paint film is flat. The larger the reflection part, the higher the gloss. If it is rough, the scattering part will increase, and the gloss will be low, that is, the effect of matting will be produced. By microscopically adjusting the unevenness of the surface of the paint film, it is possible to control the surface of the paint film to produce different gloss effects. [0004]...

Claims

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Application Information

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IPC IPC(8): C09D7/61C09D7/62C09D7/63C09D7/20C08F220/18C08F220/06C08F220/14C08F220/46C08F230/08C08F2/26
CPCC08F2/26C08F220/18C08F220/1804C08F220/06C08F220/14C08F220/46C08F230/08
Inventor 冯兆均叶永良陈容爱赵立英李远
Owner GUANGDONG YATU CHEM
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