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A kind of high-adhesion water-based paint suitable for various substrates and its manufacturing method

A high-adhesion, water-based coating technology, applied in the coating and other directions, can solve the problem of delamination of the oil bottom water surface, the limitation of the use time of the two-component water-based topcoat, and the impact on the health of the constructors and consumers, etc. problem, to achieve the effect of excellent substrate wettability, excellent film-forming performance, and improved adhesion

Active Publication Date: 2021-10-15
东莞大宝化工制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, compared with the single-component water-based paint, although the two-component water-based paint can improve the delamination phenomenon with the oily primer to a certain extent, it still cannot effectively solve the delamination problem of the oil base and water surface.
Moreover, because harmful substances such as solvents in the curing agent of the two-component water-based topcoat are easily volatilized into the environment, affecting the health of builders and consumers, there are potential safety hazards
In addition, during the painting process, the two-component water-based topcoat also has a limit on the usable time

Method used

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  • A kind of high-adhesion water-based paint suitable for various substrates and its manufacturing method
  • A kind of high-adhesion water-based paint suitable for various substrates and its manufacturing method
  • A kind of high-adhesion water-based paint suitable for various substrates and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A kind of high-adhesion water-based coating that is applicable to various substrates of the present embodiment is made up of the raw material of following parts by weight:

[0042]

[0043]

[0044] Among them, the self-crosslinking water-based acrylic resin is composed of DSM NeoCryl XK-14, Opeldi AC3630 and DSM NeoCryl XK-919 in a mass ratio of 1:0.5:0.2.

[0045] Among them, the composite wetting and leveling agent is composed of air chemical Surfynol 104E, BYK BYK-3455 and TgeoWET 270 in a mass ratio of 1:1:0.6.

[0046] The preparation method of the high-adhesion water-based paint applicable to various substrates comprises the steps:

[0047] Step 1: Add self-crosslinking water-based acrylic resin, Dow DPM, Dow DPNB, Dow TPNB, ammonia and diethanolamine into the container, and mix at 600rpm for 16 minutes;

[0048] Step 2: Add Evonik TS-100, Evonik 3400 and BYK-028, and disperse at 1000rpm for 40 minutes;

[0049] Step 3: Add compound wetting and leveling a...

Embodiment 2

[0052] A kind of high-adhesion water-based coating that is applicable to various substrates of the present embodiment is made up of the raw material of following parts by weight:

[0053]

[0054] Among them, the self-crosslinking water-based acrylic resin is composed of DSM NeoCryl XK-14 and Oubaodi AC2403 in a mass ratio of 1:1.

[0055] Among them, the composite wetting and leveling agent is composed of air chemical Surfynol 104E and BYK-349 in a mass ratio of 1:0.5.

[0056] The preparation method of the high-adhesion water-based paint applicable to various substrates comprises the steps:

[0057] Step 1: Add self-crosslinking water-based acrylic resin, Dow DPM, sodium hydroxide and ammonia water into the container, and mix at 600rpm for 20 minutes;

[0058] Step 2: Add BYK-024 and BYK-028 and disperse at 1000rpm for 30 minutes;

[0059] Step 3: Add compound wetting and leveling agent, mix at 600rpm for 12 minutes;

[0060] Step 4: Add TEGO ViscoPlus 3030 and deioniz...

Embodiment 3

[0062] A kind of high-adhesion water-based coating that is applicable to various substrates of the present embodiment is made up of the raw material of following parts by weight:

[0063]

[0064] Among them, the self-crosslinking water-based acrylic resin is composed of DSM NeoCryl XK-14 and DSM NeoCryl XK-15 in a mass ratio of 1:0.7.

[0065] Among them, the composite wetting and leveling agent is composed of air chemical Surfynol 104E and BYK-3455 in a mass ratio of 1:1.5.

[0066] The preparation method of the high-adhesion water-based paint applicable to various substrates comprises the steps:

[0067] Step 1: Add self-crosslinking water-based acrylic resin, Dow DPM and triethanolamine into the container, and mix at 600rpm for 10 minutes;

[0068] Step 2: Add Evonik 3300, Grace ED-2, BYK-024 and TEGO Airex 902W, and disperse at 1000rpm for 35 minutes;

[0069] Step 3: Add compound wetting and leveling agent, mix at 600rpm for 10 minutes;

[0070] Step 4: Add Deqian ...

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Abstract

The invention provides a high-adhesion water-based paint suitable for various substrates and a manufacturing method thereof. The water-based paint is composed of the following raw materials: 70-90 parts of self-crosslinking water-based acrylic resin, 1-1 part of composite wetting and leveling agent 10 parts, 0-3.5 parts of matting powder, 0.1-0.5 parts of PH regulator, 4-8 parts of co-solvent, 0.2-0.8 parts of defoamer, 0.4-3 parts of thickener and 4-10 parts of water; self-crosslinking Water-based acrylic resin contains at least two functional groups in hydroxyl group, carboxyl group, epoxy group and amide group; the composite wetting and leveling agent is composed of wetting and leveling agent A and wetting and leveling agent B in a mass ratio of 1:0.5‑ 2 Composition: Wetting and leveling agent A is acetylene glycol nonionic surfactant; wetting and leveling agent B is polyether siloxane. The water-based paint is suitable for various substrates such as PU and metal, and can effectively solve the problem of delamination with oil-based primers. It has good adhesion, safety and environmental protection, and high operability.

Description

technical field [0001] The invention relates to the technical field of water-based coatings, in particular to a high-adhesion water-based coating suitable for various substrates and a manufacturing method thereof. Background technique [0002] Coating paint films on furniture substrates of various materials can not only greatly improve the feel and appearance, but also effectively improve the product's scratch resistance and chemical resistance. Therefore, coatings are widely used on furniture substrates. In recent years, under the influence of consumers' environmental protection awareness and relevant laws and regulations, many furniture factories have carried out equipment upgrading and process improvement in the promotion of environmental protection coating, and the coating products have also been optimized accordingly. [0003] Among them, many furniture factories have improved the oil-to-water process, but the sealing performance of water-based coatings on the substrate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D7/20C09D7/47C09D7/63
CPCC09D133/04C09D7/20C09D7/47C09D7/63C08L83/12C08K5/17C08K5/053
Inventor 杨伟彬叶珮绮
Owner 东莞大宝化工制品有限公司
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