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A kind of salt spray resistant metal antirust paint and preparation method thereof

A technology for metal rust prevention and salt spray resistance, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc. The effect of excellent fog performance and excellent salt spray resistance

Active Publication Date: 2018-09-28
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The appearance of various mechanical equipment needs to be coated with a layer of metal paint, on the one hand to increase the appearance, on the other hand to prevent dust, rust and corrosion; the anti-rust coatings in the prior art contain a large amount of volatile organic solvents, which produce a large amount of toxic and harmful Volatile gases that pollute the air and damage human health
Poor weather resistance is common, easy to fall off, not suitable for complex and harsh environments

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: Preparation of salt spray resistant metal antirust coating

[0017] Raw material weight ratio:

[0018] Sodium silicate, 25 parts; Potassium silicate, 10 parts; Nano silica powder, 15 parts; Chlorinated paraffin, 7 parts; Water-based styrene-acrylic resin, 20 parts; Water-based polyurethane resin, 10 parts; Silane coupling agent A Tributanoximinosilane, 20 parts; Ethylene glycol, 10 parts; Isopropyl myristate, 5 parts; Citric acid, 2 parts; Water, 65 parts; 8 parts, the weight ratio of isothiazolinone and benzyl glycidyl ether is 7:1.

[0019] Preparation:

[0020] Step S1, dissolving sodium silicate, potassium silicate and citric acid with water;

[0021] Step S2, chlorinated paraffin, water-based styrene-acrylic resin, water-based polyurethane resin, silane coupling agent methyl tributylketoxime silane, ethylene glycol, isopropyl myristate, isothiazolinone and benzyl glycidol Ether mixed and stirred evenly;

[0022] Step S3, after mixing and stirrin...

Embodiment 2

[0023] Embodiment 2: Preparation of salt spray resistant metal antirust coating

[0024] Raw material weight ratio:

[0025] Sodium silicate, 20 parts; Potassium silicate, 5 parts; Nano silica powder, 10 parts; Chlorinated paraffin, 6 parts; Water-based styrene-acrylic resin, 15 parts; Water-based polyurethane resin, 5 parts; Silane coupling agent A Tributanoximinosilane, 15 parts; Ethylene glycol, 8 parts; Isopropyl myristate, 4 parts; Citric acid, 1 part; Water, 60 parts; 7 parts, the ratio by weight of isothiazolinone and benzyl glycidyl ether is 6:1.

[0026] Preparation:

[0027] Step S1, dissolving sodium silicate, potassium silicate and citric acid with water;

[0028] Step S2, chlorinated paraffin, water-based styrene-acrylic resin, water-based polyurethane resin, silane coupling agent methyl tributylketoxime silane, ethylene glycol, isopropyl myristate, isothiazolinone and benzyl glycidol Ether mixed and stirred evenly;

[0029] Step S3, after mixing and stirring...

Embodiment 3

[0030] Embodiment 3: Preparation of salt spray resistant metal antirust coating

[0031] Raw material weight ratio:

[0032] Sodium silicate, 30 parts; Potassium silicate, 15 parts; Nano silicon dioxide powder, 20 parts; Chlorinated paraffin, 8 parts; Water-based styrene-acrylic resin, 25 parts; Water-based polyurethane resin, 15 parts; Silane coupling agent A Tributanoximinosilane, 25 parts; Ethylene glycol, 12 parts; Isopropyl myristate, 6 parts; Citric acid, 3 parts; Water, 70 parts; 9 parts, the ratio by weight of isothiazolinone and benzyl glycidyl ether is 8:1.

[0033] Preparation:

[0034] Step S1, dissolving sodium silicate, potassium silicate and citric acid with water;

[0035] Step S2, chlorinated paraffin, water-based styrene-acrylic resin, water-based polyurethane resin, silane coupling agent methyl tributylketoxime silane, ethylene glycol, isopropyl myristate, isothiazolinone and benzyl glycidol Ether mixed and stirred evenly;

[0036] Step S3, after mixing...

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Abstract

The invention discloses a salt-spray-resistant anti-rust metal coating and a preparation method thereof. The coating is prepared from raw materials in parts by weight as follows: 20-30 parts of sodium silicate, 5-15 parts of potassium silicate, 10-20 parts of nano silica powder, 6-8 parts of chlorinated paraffin, 15-25 parts of waterborne styrene acrylic resin, 5-15 parts of waterborne polyurethane resin, 15-25 parts of a silane coupling agent, namely, methyl-tri-butanone-oxime silane, 8-12 parts of ethylene glycol, 4-6 parts of isopropyl myristate, 1-3 parts of citric acid, 60-70 parts of water and 7-9 parts of isothiazolone and benzyl glycidyl ether in total, wherein the weight part ratio of isothiazolone to benzyl glycidyl ether is (6-8):1. The anti-rust metal coating has the excellent salt-spray resistance which is related to the weight part ratio of isothiazolone to benzyl glycidyl ether in the raw materials, and the salt-spray resistance is most outstanding when the weight part ratio of isothiazolone to benzyl glycidyl ether is (6-8):1.

Description

technical field [0001] The invention belongs to the field of chemical coatings, in particular to a salt spray resistant metal antirust coating and a preparation method thereof. Background technique [0002] The appearance of various mechanical equipment needs to be coated with a layer of metal paint, on the one hand to increase the appearance, on the other hand to prevent dust, rust and corrosion; the anti-rust coatings in the prior art contain a large amount of volatile organic solvents, which produce a large amount of toxic and harmful Volatile gases pollute the air and damage human health. Poor weather resistance is common, easy to fall off, and not suitable for complex and harsh environments. Contents of the invention [0003] The object of the present invention is to provide a salt spray resistant metal antirust paint and a preparation method thereof. [0004] Above-mentioned purpose of the present invention is achieved by following technical scheme: [0005] A sal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D125/14C09D175/04C09D5/08C09D7/61
CPCC08K2201/011C08L2205/03C09D5/08C09D7/61C09D7/63C09D125/14C08L91/06C08L75/04C08K13/02C08K3/36C08K5/46C08K5/1515
Inventor 王春莉
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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