Water-based inorganic zinc shop primer, its preparation method and its application

A shop primer and inorganic zinc technology, applied in anti-corrosion coatings, alkali metal silicate coatings, coatings, etc., can solve problems such as low viscosity, inability to meet the requirements of shop primer film thickness, gun blocking, etc., and achieve excellent The effect of corrosion resistance

Inactive Publication Date: 2012-06-06
上海暄洋化工材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of water-based inorganic zinc silicate coating has a low viscosity and is not suitable for automatic high-pressure airless spraying. It is easy to cause gun blockage during spraying and affect construction effi

Method used

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  • Water-based inorganic zinc shop primer, its preparation method and its application
  • Water-based inorganic zinc shop primer, its preparation method and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Embodiment 1 3 months anticorrosion shop primer

[0068] The formula of base material is as follows:

[0069] Spherical zinc powder (particle size is 2-5 microns) 124 kg

[0070] Flake zinc powder (long diameter 15-20 microns) 16 kg

[0071] Silica 5 kg

[0072] Barium sulfate 120 kg

[0073] Titanium dioxide 50 kg

[0074] 200 kg of water

[0075] Indium oxide 1 kg

[0076] 3 kg imidazoline quaternary ammonium salt

[0077] Surfactant RHODAPON BOS 1 kg (Rhodia Corporation)

[0078] Anti-sedimentation agent ST-1 1.2 kg (Shangtianti Fengsen Bentonite Factory, Xinyang City, Henan Province)

[0079] Defoamer BYK-017 0.5 kg (Bick company)

[0080] The formula of curing agent is as follows:

[0081] Lithium silicate: 600 kg

[0082] Acrylic monomer: 10 kg

[0083] Styrene: 40 kg

[0084] Methyl acrylate: 20 kg

[0085] Ethyl acrylate: 20 kg

[0086] Defoamer BYK-017 1 kg (Bick company)

[0087] Dispersant E-1302 10 kg (Jiangsu Haian Petrochemical Co., Ltd.) ...

Embodiment 2

[0092] Example 2 Six-month anti-corrosion water-based shop primer

[0093] The formula of base material is as follows:

[0094] Bentonite 12kg

[0095] Spherical zinc powder (particle size is 2-5 microns) 456 kg

[0096] Flake zinc powder (long diameter 15-20 microns) 144 kg

[0097] Barium sulfate 280 kg

[0098] Magnesium silicate 115 kg

[0099] Ferrophosphorus powder 124 kg

[0100] 400 kg of water

[0101] Indium oxide 1.5 kg

[0102] MBTS (3 methyl thiophene) 4.5 kg

[0103] Surfactant RHODAPON PEH 1 kg (Rhodia Corporation)

[0104] Anti-sedimentation agent ST-3 2 kg (Shangtian Tifengsen Bentonite Factory, Xinyang City, Henan Province)

[0105] Defoamer BYK-019 0.7 kg (Bick company)

[0106] The formula of curing agent is as follows:

[0107] Sodium silicate 600 kg

[0108] Styrene 40 kg

[0109] Methyl acrylate 20kg

[0110] Ethyl acrylate 20 kg

[0111] 280 kg of water

[0112] Dispersant E-1308 10 kg (Jiangsu Haian Petrochemical Co., Ltd.)

[0113] De...

Embodiment 3

[0117] Embodiment 3 12 months anticorrosion water-based shop primer

[0118] The formula of base material is as follows:

[0119] Bentonite 10kg

[0120] Silica 15 kg

[0121] Spherical zinc powder (particle size is 2-5 microns) 540 kg

[0122] Flake zinc powder (long diameter 15-20 microns) 40 kg

[0123] Phosphorus powder 50 kg

[0124] 170 kg of water

[0125] Bismuth oxide 2 kg

[0126] DMTD 5kg

[0127] Heavy calcium 207 kg

[0128] Surfactant RHODAPON BOS 1 kg (Rhodia Corporation)

[0129] Anti-sedimentation agent ST-4 2.5 kg (Shangtianti Fengsen Bentonite Clay Factory, Xinyang City, Henan Province)

[0130] Defoamer BYK-019 0.8 kg (Bick company)

[0131] The formula of curing agent is as follows:

[0132] Potassium silicate 600 kg

[0133] Acrylic monomer: 20 kg

[0134] Styrene 40 kg

[0135] Methyl acrylate 20kg

[0136] Ethyl acrylate 20 kg

[0137] Water 310 kg

[0138] Dispersant E-1306 10 kg (Jiangsu Haian Petrochemical Co., Ltd.)

[0139] Defoam...

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Abstract

The invention provides a water-based inorganic zinc shop primer, which comprises a base-material and a curing agent, wherein the base-material comprises zinc, a filling material, pigment, rare earth oxide, a heterocyclic organic compound, a surfactant, water, an anti-settling agent and an antifoaming agent; the curing agent comprises an inorganic high-molecular film forming substrate, anacrylic acid monomer, styrene, methyl acrylate, ethyl acrylate, a dispersant, water, an antifoaming agent and a surfactant. The shop primer is used for ship or large-scale steel structure construction, has excellent anticorrosion performance, and is suitable for high pressure airless spraying to satisfy the production requirements of shop primer streamline, and satisfy the requirements of welding, cutting and the like. and can be used as a priming paint for temporary protection in the process for constructing large-scale heavy steel structures in ship construction factory or large-scale steel structure factory, the protection duration is 3-12 months.

Description

technical field [0001] The invention relates to a shop primer and its preparation and application, in particular to a water-based inorganic zinc shop primer and its preparation and application. Background technique [0002] Shop primer, also known as steel pretreatment primer and maintenance primer, refers to the first primer sprayed on the steel plate after spraying to a certain level. Its main function is to protect the steel plate during production (including welding, cutting, etc.) , pyrotechnic correction, etc.) are less subject to atmospheric corrosion, and are widely used in the construction of ships and large steel structures. For example, in the shipbuilding industry, it is generally equipped with a large-scale pretreatment and spraying shop primer production workshop. The purchased steel plate is directly sent to the workshop, and the automatic assembly line is used for shot blasting and derusting to a certain level, and then an automatic high-pressure airless spra...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D1/04C09D5/10C09D7/12
Inventor 汪国庆汪培庆黄永清
Owner 上海暄洋化工材料科技有限公司
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