Waterborne matte environment-friendly canvas coating material with high weather resistance and preparation method thereof

A coating material, matte technology, used in textiles and papermaking, etc., can solve the problems of lack of anti-ultraviolet and anti-mildew effect, easy to breed mold and algae, unable to present matte effect, etc., to ensure film-forming, It is not easy to mold and discolor, and the effect of low surface tension

Inactive Publication Date: 2019-04-02
成都巴德富科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most water-based acrylate copolymer emulsions are lipophilic. After coating with acrylic system coatings, pigment diluents such as linseed oil are easy to diffuse and penetrate; the coating system has a large amount of film-forming substances, and the system has high gloss (a kind of linseed light oil canvas , 201510790351.1; a high-gloss chemical fiber oil canvas and its preparation method, 201810278361.0), which cannot present a matte effect; most products do not have anti-ultraviolet and anti-mildew effects, and are prone to yellowing and chalking under sunlight or ultraviolet radiation, and are easy to The growth of mold and algae will affect the quality of the canvas and even the painting

Method used

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  • Waterborne matte environment-friendly canvas coating material with high weather resistance and preparation method thereof
  • Waterborne matte environment-friendly canvas coating material with high weather resistance and preparation method thereof

Examples

Experimental program
Comparison scheme
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preparation example Construction

[0076] The preparation method of water-based matte high weather resistance environmental protection canvas coating material of the present invention comprises the following steps:

[0077] (1) Add 15-30 parts of deionized water into the dispersion tank, add 0.3-1 part of cellulose, 0.2-1 part of dispersant, 0.1-0.5 part of wetting agent, 0.05-0.5 part of disinfectant at 500-700 rpm Foaming agent, add 0.05-0.2 parts of AMP-95 after dispersing for 5-10 minutes, then increase the speed to 1000-1500rpm, and disperse for 10 minutes;

[0078] (2) At a speed of 1000-1500rpm, add 5-30 parts of titanium dioxide, 2-10 parts of diatomaceous earth, 5-20 parts of heavy calcium, and 1-5 parts of gas phase dioxide to the mixture prepared in step (1). Silicon, then increase the speed to 1500-2000rpm, disperse for 15-30min;

[0079] (3) Slowly add 15-50 parts of aqueous acrylate copolymer emulsion, 1-3 parts of film-forming aid, 0.5-2 parts of Solvent, 0.5-4 parts of photocatalyst material, ...

Embodiment 1

[0082] A water-based matte highly weather-resistant and environmentally friendly canvas coating material is prepared from the following raw materials in parts by weight:

[0083] Deionized water: 22 parts

[0084] Cellulose: 0.5 parts

[0085] Dispersant: 0.5 parts

[0086] Wetting agent: 0.3 parts

[0087] Defoamer: 0.2 parts

[0088] AMP-95: 0.1 parts

[0089] Titanium dioxide: 20 parts

[0090] Diatomaceous earth: 5 parts

[0091] Heavy calcium: 13 servings

[0092] Fumed silica: 2 parts

[0093] Water-based acrylate copolymer emulsion: 30 parts

[0094] Coalescing aid: 1.5 parts

[0095] Co-solvent: 1 part

[0096] Photocatalyst material: 2 parts

[0097] Epoxy silane: 0.5 parts

[0098] UV absorber: 0.5 parts

[0099] Fungicide: 0.2 parts

[0100] Antifungal agent: 0.3 parts

[0101] Thickener: 0.5 parts

[0102] The preparation method of described water-based matte high weather resistance environmental protection canvas coating material comprises the foll...

Embodiment 2

[0107] A water-based matte highly weather-resistant and environmentally friendly canvas coating material is prepared from the following raw materials in parts by weight:

[0108] Deionized water: 17 parts

[0109] Cellulose: 0.6 parts

[0110] Dispersant: 0.5 parts

[0111] Wetting agent: 0.3 parts

[0112] Defoamer: 0.2 parts

[0113] AMP-95: 0.1 parts

[0114] Titanium dioxide: 20 parts

[0115] Diatomaceous earth: 6 parts

[0116] Heavy calcium: 14 servings

[0117] Fumed silica: 2 parts

[0118] Water-based acrylate copolymer emulsion: 35 parts

[0119] Coalescing aid: 1.7 parts

[0120] Co-solvent: 1 part

[0121] Photocatalyst material: 2 parts

[0122] Epoxy silane: 0.5 parts

[0123] UV absorber: 0.5 parts

[0124] Fungicide: 0.2 parts

[0125] Antifungal agent: 0.3 parts

[0126] Thickener: 0.5 parts

[0127] The preparation method of described water-based matte high weather resistance environmental protection canvas coating material comprises the foll...

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Abstract

The invention relates to a waterborne matte environment-friendly canvas coating material with high weather resistance. The waterborne matte environment-friendly canvas coating material is prepared from deionized water, cellulose, dispersant, a wetting agent, a defoaming agent, AMP-95, titanium dioxide, diatomite, heavy calcium, gaseous silicon dioxide, waterborne acrylate copolymer emulsion, film-forming additive, cosolvent, photocatalyst material, epoxy silane, ultraviolet absorber, bactericide, mildew inhibitor and thickening agent. The waterborne matte environment-friendly canvas coating material with high weather resistance overcomes the defects that the existing canvas coating material is not environment-friendly, is high in VOC and high in gloss, and does not have long-term weather resistance and mildew resistance and the like. The matte environment-friendly canvas coating material is low in gloss, photosensitive and soft; the matte environment-friendly canvas coating material has appropriate oleophobic effect, and the pigment diluent such as linseed oil is not easy to diffuse and permeate; the affinity with the a base material and pigments is high, and the adhesion is good;the waterborne matte environment-friendly canvas coating material is odorless, environment-friendly, low in -VOC, capable of removing formaldehyde, and capable of meeting the EN71-9 standard requirements; and a coating of the waterborne matte environment-friendly canvas coating material is resistant to yellowing, excellent in weather resistance and good in mildew resistant effect.

Description

technical field [0001] The invention relates to a canvas coating material, in particular to a water-based matte highly weather-resistant and environment-friendly canvas coating material and a preparation method thereof. Background technique [0002] Canvas is made by coating water-based or oil-based paint on cotton gauze, linen and other substrates. At present, most of the canvas coatings use PVA (a scratch-resistant oil canvas and its production method, 201810278355.5; a high-gloss chemical fiber oil canvas and its preparation method, 201810278361.0), propylene glycol butyl ether (an ink-absorbing vertical dry canvas, 201310679748.4) and other non-woven fabrics. Environmentally friendly material, high VOC, big smell. Most water-based acrylate copolymer emulsions are lipophilic. After coating with acrylic system coatings, pigment diluents such as linseed oil are easy to diffuse and penetrate; the coating system has a large amount of film-forming substances, and the system h...

Claims

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Application Information

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IPC IPC(8): D06N3/04D06N3/00
CPCD06N3/0059D06N3/0061D06N3/0063D06N3/042D06N2209/0838D06N2209/108D06N2209/141D06N2209/145D06N2209/1642D06N2209/165D06N2209/1671D06N2209/1678D06N2209/1692
Inventor 王文毅
Owner 成都巴德富科技有限公司
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