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Cathode electrophoretic coating applicable to grooved pipe fittings and preparation method of cathode electrophoretic coating

A cathodic electrophoretic coating and pipe fitting technology, applied in the field of coatings, can solve the problems of low hardness, poor corrosion resistance, poor acid and alkali resistance, etc., and achieve the effect of high hardness, excellent corrosion resistance and strong adhesion

Inactive Publication Date: 2018-01-12
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of poor corrosion resistance, low hardness and poor acid and alkali resistance of existing grooved pipe fittings acrylic series dip coating paint, the invention provides a cathodic electrophoretic coating for grooved pipe fittings

Method used

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  • Cathode electrophoretic coating applicable to grooved pipe fittings and preparation method of cathode electrophoretic coating
  • Cathode electrophoretic coating applicable to grooved pipe fittings and preparation method of cathode electrophoretic coating

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preparation example Construction

[0031] Further, the present invention also provides a method for preparing a cathodic electrophoretic coating suitable for grooved pipe fittings, at least including the following steps:

[0032] Step 1, take by weighing according to the above-mentioned raw material ratio;

[0033] Step 2. Prepare color paste: add acrylic polyurethane modified epoxy resin, environmental solvent, neutralizer, surfactant, pure water, kaolin, and pigment into the first reactor, stir and grind;

[0034] Step 3, preparation of emulsion: acrylic polyurethane modified epoxy resin, emulsifier, and neutralizer are added in the second reactor and stirred;

[0035] Step 4, adding the prepared color paste, emulsion and pure water into the third reactor and stirring to obtain the cathodic electrophoretic coating.

[0036] The preparation method provided by the invention is simple.

[0037] The above-mentioned preparation method is further explained below:

[0038] Preferably, the stirring speed in step 4...

Embodiment 1

[0043] This embodiment provides a cathodic electrophoretic coating suitable for grooved pipe fittings. The raw materials include the following components in parts by weight: 20 parts of color paste, 30 parts of emulsion, and 50 parts of pure water;

[0044] The color paste includes the following components in parts by mass: 18 parts of acrylic polyurethane modified epoxy resin, 5 parts of environmental protection cosolvent, 1 part of neutralizer, 0.4 part of surfactant, 30 parts of deionization, kaolin 22.6, MH -RC: 9 parts, chrome yellow 7000: 8 parts, titanium dioxide: 6 parts;

[0045] The emulsion includes the following components in parts by mass: 40 parts of acrylic polyurethane modified epoxy resin, 6 parts of emulsifier, 3 parts of neutralizer, and 50 parts of pure water.

[0046] The preparation method of the above cathodic electrophoretic coating suitable for grooved pipe fittings comprises the following steps:

[0047] Step 1, take by weighing according to the abov...

Embodiment 2

[0052] This embodiment provides a cathodic electrophoretic coating suitable for grooved pipe fittings. The raw materials include the following components in parts by weight: 10 parts of color paste, 40 parts of emulsion, and 40 parts of pure water;

[0053] The color paste includes the following components in parts by mass: 30 parts of acrylic polyurethane modified epoxy resin, 15 parts of environmental protection cosolvent, 5 parts of neutralizing agent, 0.5 part of surfactant, 40 parts of deionization, 28 parts of kaolin, MH -RC: 6 parts, chrome yellow 7000: 5 parts, titanium dioxide: 4 parts;

[0054] The emulsion includes the following components in parts by mass: 35 parts of acrylic polyurethane modified epoxy resin, 4 parts of emulsifier, 6 parts of neutralizer, and 45 parts of pure water.

[0055] The preparation method of the cathodic electrophoretic coating suitable for grooved pipe fittings provided in this embodiment is as described in Embodiment 1, and will not be ...

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Abstract

The invention relates to the technical field of coatings, and particularly discloses a cathode electrophoretic coating applicable to grooved pipe fittings. The cathode electrophoretic coating is prepared from the following components in parts by weight: 10 to 20 parts of color paste, 30 to 60 parts of emulsion and 40 to 60 parts of pure water; the color paste is prepared from the following components in parts by weight: 10 to 35 parts of acrylate polyurethane modified epoxy resin, 5 to 15 parts of environmentally-friendly cosolvent, 1 to 6 parts of a neutralizer, 0.1 to 0.5 part of a surfactant, 25 to 40 parts of deionized water, 5 to 30 parts of kaolin and 3 to 23 parts of a pigment; the emulsion is prepared from the following components in parts by mass: 30 to 40 parts of acrylate polyurethane modified epoxy resin, 2 to 8 parts of an emulsifier, 1 to 8 parts of a neutralizer and 30 to 50 parts of pure water. The cathode electrophoretic coating provided by the invention is high in hardness, and is excellent in corrosion resistance, acid resistance, alkali resistance and the like.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a cathodic electrophoretic coating suitable for grooved pipe fittings and a preparation method thereof. Background technique [0002] Since the advent of cathodic electrophoretic coatings, both the coating itself and the coating application technology have made a lot of progress, and many products and new application technologies have been introduced. So far, almost 100% of the automotive primers use cathodic electrophoretic coatings. [0003] Electrophoretic coatings are the first water-based coatings developed. Its main features are high coating efficiency, economy, safety, and low pollution, and it is convenient for automated large-scale production. After decades of development, the products have been constantly updated. The latest cathodic electrophoretic coatings require higher throwing power, lower P / B, better corner coverage and other characteristics. [0004] Most acryl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D5/44C09D7/61C09D7/63C09D7/65
Inventor 刘东李春雨郭小猛姜巍刘树飞田向前程璐楚会来
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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