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A special high-gloss, anti-fouling and wear-resistant water-based paint for pvc surface decoration and preparation method thereof

A surface decoration, water-based coating technology, applied in anti-fouling/underwater coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of poor anti-fouling and wear resistance, weak decorative ability, low adhesion, etc. The effect of strong adhesion, improved product utilization, and good blocking resistance

Active Publication Date: 2021-07-30
福建格林春天新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still a series of problems in the application of water-based PVC surface coatings on the market, such as low adhesion, poor anti-fouling and wear resistance, single function, and weak decorative ability.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The raw materials and reagents for the preparation of the emulsion described in this example mainly include: polycarbonate diol from Jining Huakai Resin Co., Ltd.; isophorone diisocyanate from Wuxi Dongrun Electronic Material Technology Co., Ltd.; dimethylol butyric acid From Anhui Zhongen Chemical Co., Ltd.; trimethylolpropane, dibutyltin dilaurate, and triethylamine from Guangdong Wengjiang Chemical Reagent Co., Ltd.; ethylenediamine from Shandong West Asia Chemical Industry Co., Ltd.

[0032] The water-based paint of this embodiment is produced in two steps. The first step is to prepare polycarbonate-based water-based polyurethane emulsion; the second step is to prepare the water-based paint. The specific preparation method is as follows:

[0033] The first step, the preparation of polycarbonate water-based polyurethane emulsion

[0034] Based on the total mass of monomers, weigh 62% polycarbonate diol, 31% isophorone diisocyanate, 1% trimethylolpropane and 0.1% dib...

Embodiment 2

[0048] Formula is as follows (by weight fraction ratio):

[0049] Homemade polycarbonate-based water-based polyurethane emulsion 75%;

[0050] Water-based antifouling agent 3%, polydimethylsiloxane emulsion containing hydroxyl functional groups, model Germany TEGO 5100N, from Xiamen Baiguiquan Trading Co., Ltd.;

[0051] Water-based curing agent 0.8%, amine-based water-based resin crosslinking agent, model D-04, from Xiamen Baiguiquan Trading Co., Ltd.;

[0052] Water-based wetting agent 1%, high-performance ethoxylated nonionic super wetting agent, model HH-607, from Taizhou Henghai Chemical Co., Ltd.;

[0053] Water-based defoamer 0.6%, water-based polyurethane defoamer, model F-828, from Xiamen Baiguiquan Trading Co., Ltd.;

[0054] Water-based leveling agent 0.6%, polyether modified polydimethylsiloxane solution, model BYK346 in Germany, from Xiamen Baiguiquan Trading Co., Ltd.;

[0055] Pure water balance.

[0056] Weigh the raw materials according to the weight fract...

Embodiment 3

[0060] Formula is as follows (by weight fraction ratio):

[0061] Homemade polycarbonate-based water-based polyurethane emulsion 70%;

[0062] Water-based antifouling agent 3%, polydimethylsiloxane emulsion containing hydroxyl functional groups, model Germany TEGO 5100N, from Xiamen Baiguiquan Trading Co., Ltd.;

[0063] Water-based curing agent 1.3%, amine-based water-based resin crosslinking agent, model D-04, from Xiamen Baiguiquan Trading Co., Ltd.;

[0064] Water-based wetting agent 1.5%, high-performance ethoxylated nonionic super wetting agent, model HH-607, from Taizhou Henghai Chemical Co., Ltd.;

[0065] Water-based defoamer 0.6%, water-based polyurethane defoamer, model F-828, from Xiamen Baiguiquan Trading Co., Ltd.;

[0066] Water-based leveling agent 0.6%, polyether modified polydimethylsiloxane solution, model BYK346 in Germany, from Xiamen Baiguiquan Trading Co., Ltd.;

[0067] Pure water balance.

[0068] Weigh the raw materials according to the weight fra...

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Abstract

The invention discloses a special high-gloss anti-fouling and wear-resistant water-based paint for PVC surface decoration and a preparation method thereof. High-gloss anti-fouling and wear-resistant water-based coatings for PVC surface decoration include polycarbonate-based water-based polyurethane emulsion, water-based anti-fouling agent, water-based curing agent, water-based wetting agent, water-based defoamer, water-based leveling agent, etc. The special coating of the invention is friendly to the environment and has strong adhesion, and solves the damage to the coating caused by the precipitation of the plasticizer dioctyl phthalate during the printing process of the PVC substrate. The coating of the present invention uses an amino-based water-based resin crosslinking agent as a curing agent, and is printed at room temperature, and the formed coating can achieve good adhesion fastness, water resistance, and anti-blocking properties, and can be passed in the subsequent decorative panel bonding process. 150 ℃ ~ 180 ℃ fit the tank, the curing agent contained in the coating will undergo a cross-linking reaction, and finally form a high-gloss anti-fouling and wear-resistant water-based coating with a gloss of ≥ 90 degrees and a hardness of ≥ 2H, which increases wear resistance, alcohol resistance, and water resistance. characteristics such as pollution.

Description

technical field [0001] The invention relates to a water-based paint, in particular to a special high-gloss anti-fouling and wear-resistant water-based paint for PVC surface decoration. Background technique [0002] With the improvement of people's living standards and the emergence of a large number of commercial housing, hotels and exhibition halls, people's requirements for interior decoration materials continue to increase. The furniture coated with PVC surface decoration has been widely used due to its good decorative effect. [0003] The surface coating of furniture coated with PVC surface decoration mainly plays the role of anti-fouling and friction resistance. The traditional PVC surface coating uses organic solvents as the dispersion medium. Some organic solvents such as formaldehyde will still remain, and long-term exposure will cause harm to the human body, and even cause chronic poisoning. [0004] Water-based paint is a polymer material that uses water instead ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D5/16C09D7/20C09D7/63C09D7/65C08G18/44C08G18/75C08G18/32C08G18/34C08G18/66C08J7/04C08J7/046C08L27/06
CPCC08G18/0823C08G18/3206C08G18/3228C08G18/348C08G18/44C08G18/6659C08G18/755C08J2327/06C08J2475/04C08J2483/06C08J2483/12C08L2201/08C08L2205/025C08L2205/035C09D5/1637C09D5/1675C09D5/1687C09D175/04C09D7/20C08J7/0427C08L83/06C08L75/04C08L83/12
Inventor 林国良
Owner 福建格林春天新材料股份有限公司
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