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Electroplated coating silk-screen printing ink and preparation method thereof

A screen printing ink and electroplating coating technology, applied in ink, household utensils, applications, etc., can solve the problem of being unable to resist strong acid and strong corrosion, and screen printing ink cannot meet high strength, high adhesion, acid resistance, corrosion resistance, and water resistance at the same time Cooking and other problems, to achieve the effect of improving adhesion, improving smoothness, and easy industrial application

Inactive Publication Date: 2020-05-01
曾令涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Screen printing inks for electroplating coating surfaces on the market today cannot meet the requirements of high strength, high adhesion, acid resistance, corrosion resistance, and water boiling resistance at the same time
The invention patent with application number 201110021819.2 discloses a low-temperature curing electroplating surface screen printing ink, which consists of the following components: acrylic resin 20-40; epoxy resin 10-30; solvent 25-35; pigment 5-35; dispersant 0.1 -5; defoaming agent 0.1-5, the solvent used in the ink of this invention is more environmentally friendly, has no PAHS, and can be cured at low temperature and volatilized naturally. Although it has high hardness and good adhesion, it cannot withstand strong acid and strong corrosion

Method used

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  • Electroplated coating silk-screen printing ink and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] An electroplating coating screen printing ink, which comprises the following components: epoxy acrylate prepolymer 20Kg; dehydration ricinoleic acid modified epoxy resin 20Kg; isocyanate curing agent 3.5Kg; functional filler (nano silicon dioxide) 0.3Kg ; Functional filler (nano alumina) 0.5Kg; Talc powder 1.5Kg; Carbon black 3.2Kg; Dispersant 0.9Kg; Defoamer (BYK 054) 0.2Kg; Ketone) 2Kg; Solvent (isophorone) 5Kg; Solvent (trimethylbenzene) 8Kg; Solvent (dibasic acid ester) 7Kg.

[0032] The preparation method of above-mentioned epoxy acrylate prepolymer is as follows: Epoxy resin (E44) 40Kg, tetraethylammonium bromide 0.4Kg, p-hydroxyanisole 0.008Kg and acrylic acid 10Kg carry out chemical reaction at 90 ℃, to be reacted When the acid value of the system is less than 3mgKOH / g, just cool down and discharge.

[0033] The preparation method of the above-mentioned dehydrated ricinoleic acid modified epoxy resin is as follows: After mixing 1Kg of epoxy resin (E44) and 20Kg...

Embodiment 2

[0036]A kind of electroplating coating screen printing ink, it comprises following components: epoxy acrylate prepolymer 22.5Kg; Dehydration ricinoleic acid modified epoxy resin 22.5Kg; Isocyanate curing agent 5.5Kg; Functional filler (nano silicon dioxide) 0.8Kg; functional filler (nano alumina) 0.6Kg; talc powder 2.4Kg; carbon black 4.5Kg; dispersant 1.5Kg; defoamer (BYK 054) 0.5Kg; leveling agent (BYK 307) 0.5Kg; Cyclohexanone) 4Kg; Solvent (isophorone) 8Kg; Solvent (trimethylbenzene) 5Kg; Solvent (dibasic acid ester) 9Kg.

[0037] The preparation method of above-mentioned epoxy acrylate prepolymer is as follows: Epoxy resin (E44) 50Kg, tetraethylammonium bromide 0.5Kg, p-hydroxyanisole 0.01Kg and acrylic acid 12Kg carry out chemical reaction at 95 ℃, to be reacted When the acid value of the system is less than 4mgKOH / g, just cool down and discharge.

[0038] The preparation method of the above-mentioned dehydrated ricinoleic acid modified epoxy resin is as follows: After ...

Embodiment 3

[0041] A kind of electroplating coating screen printing ink, it comprises following components: epoxy acrylate prepolymer 25Kg; Dehydration ricinoleic acid modified epoxy resin 25Kg; Isocyanate curing agent 8.5Kg; Functional filler (nano silicon dioxide) 0.6Kg ; Functional filler (nano alumina) 0.9Kg; Talc powder 2.8Kg; Carbon black 6.5Kg; Dispersant 2.5Kg; Defoamer (BYK 054) 0.8Kg; Ketone) 7Kg; Solvent (isophorone) 12Kg; Solvent (trimethylbenzene) 10Kg; Solvent (dibasic acid ester) 7Kg.

[0042] The preparation method of above-mentioned epoxy acrylate prepolymer is as follows: Epoxy resin (E44) 60Kg, tetraethylammonium bromide 0.6Kg, p-hydroxyanisole 0.012Kg and acrylic acid 15Kg carry out chemical reaction at 100 ℃, to be reacted When the acid value of the system is less than 4mg KOH / g, cool down and discharge.

[0043] The preparation method of the above-mentioned dehydrated ricinoleic acid modified epoxy resin is as follows: After mixing 1Kg of epoxy resin (E44) and 20Kg ...

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Abstract

The invention relates to electroplated coating silk-screen printing ink and a preparation method thereof. The electroplated coating silk-screen printing ink comprises the following components in partsby weight: 18 to 30 parts of an epoxy acrylate prepolymer; 18 to 30 parts of dehydrated ricinoleic acid modified epoxy resin; 0.5 to 12 parts of an isocyanate curing agent; 0.5 to 3 parts of a functional filler; 0.5 to 6 parts of talcum powder; 0.5 to 12 parts of carbon black; 0.5 to 2.5 parts of a dispersing agent; 0.08 to 1.2 parts of a defoaming agent; 0.08 to 1.2 parts of a leveling agent; 10to 50 parts of solvent. According to the invention, dehydrated ricinoleic acid modified epoxy resin is used as a binder, and nano silicon dioxide, nano aluminum oxide, nano zinc oxide or a mixture thereof are used as a functional filler, so that the prepared electroplated coating silk-screen printing ink has the advantages of high strength, high adhesive force, acid resistance, corrosion resistance, boiling resistance and the like, and satisfies the requirement of environmental protection at the same time. The preparation method disclosed by the invention is simple and easy for industrial application.

Description

technical field [0001] The invention belongs to the technical field of screen printing inks, and in particular relates to an electroplating coating screen printing ink and a preparation method thereof. Background technique [0002] The screen printing inks for electroplating coating surfaces on the market today cannot meet the requirements of high strength, high adhesion, acid resistance, corrosion resistance, and water boiling resistance at the same time. The invention patent with application number 201110021819.2 discloses a low-temperature curing electroplating surface screen printing ink, which consists of the following components: acrylic resin 20-40; epoxy resin 10-30; solvent 25-35; pigment 5-35; dispersant 0.1 -5; defoaming agent 0.1-5, the solvent used in the ink of this invention is more environmentally friendly, has no PAHS, and can be cured at low temperature and volatilized naturally. Although it has high hardness and good adhesion, it cannot resist strong acid ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/102C09D11/0235C09D11/03
CPCC09D11/0235C09D11/03C09D11/102
Inventor 曾令涛
Owner 曾令涛
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