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Rust-proof metal coating and preparation method thereof

A technology of metal coatings and raw materials, applied in the direction of anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of insufficient firmness of coatings and shortened service life, and achieve wide application range, good anti-rust performance and foam performance, Good overall performance

Active Publication Date: 2014-12-17
FUJIAN HONGGUAN ROADS & BRIDGE ANTI CORROSIVE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Metal devices are often subject to wear during use, thereby reducing their service life, and metal devices, especially large metal equipment such as punches, wear quickly when used with ordinary coatings, and the coatings are not strong enough. Therefore, there is a need for a metal surface. The coating can protect the metal from damage, and its own anti-rust and anti-corrosion performance is also very good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] An antirust metal paint, comprising the following raw materials in parts by weight: 20 parts of ammonium lauryl sulfate, 10 parts of nucleoside triphosphate, 35 parts of titanium dioxide, 25 parts of polyethylene polyamine, 5 parts of sebacic acid, isopropyl 15 parts of alcohol amine, 40 parts of sulfited oil, 25 parts of sodium stearyl phosphate, 10 parts of polyester carbamate, 30 parts of diethylenetetramine, 30 parts of tert-butyl anthraquinone, surfactant 20 servings.

[0022] The polyester urethane had a molecular weight of 20,000, a Tg of 0° C., and a hydroxyl value of 10 mgKOH / g. The surfactant is sodium petroleum sulfonate.

[0023] The preparation method of above-mentioned antirust metal paint, comprises the following steps:

[0024] (1) Mix ammonium lauryl sulfate, nucleoside triphosphate, titanium dioxide and polyethylene polyamine evenly, then add sodium stearyl phosphate and polyester carbamate, and react for 20 minutes when heated to 80°C ;

[0025] (...

Embodiment 2

[0028] An antirust metal paint, comprising the following raw materials in parts by weight: 40 parts of ammonium lauryl sulfate, 60 parts of nucleoside triphosphate, 70 parts of titanium dioxide, 50 parts of polyethylene polyamine, 30 parts of sebacic acid, isopropyl 50 parts of alcohol amine, 80 parts of sulfited oil, 35 parts of sodium stearyl phosphate, 40 parts of polyester carbamate, 90 parts of diethylenetetramine, 60 parts of tert-butyl anthraquinone, surfactant 70 servings.

[0029] The polyester urethane had a molecular weight of 30,000, a Tg of 10° C., and a hydroxyl value of 20 mgKOH / g. Surfactant is higher carbon alcohol phosphate ester salt.

[0030] The preparation method of above-mentioned antirust metal paint, comprises the following steps:

[0031] (1) Mix ammonium lauryl sulfate, nucleoside triphosphate, titanium dioxide and polyethylene polyamine evenly, then add sodium stearyl phosphate and polyester carbamate, and react for 30 minutes when heated to 90°C ...

Embodiment 3

[0035] An antirust metal paint, comprising the following raw materials in parts by weight: 30 parts of ammonium lauryl sulfate, 40 parts of nucleoside triphosphate, 50 parts of titanium dioxide, 40 parts of polyethylene polyamine, 20 parts of sebacic acid, isopropyl 30 parts of alcohol amine, 60 parts of sulfited oil, 30 parts of sodium stearyl phosphate, 25 parts of polyester carbamate, 60 parts of divinyltetramine, 45 parts of tert-butyl anthraquinone, surfactant 45 servings.

[0036] The polyester urethane had a molecular weight of 25,000, a Tg of 5°C, and a hydroxyl value of 15 mgKOH / g. Surfactant is stearic acid.

[0037] The preparation method of above-mentioned antirust metal paint, comprises the following steps:

[0038] (1) Mix ammonium lauryl sulfate, nucleoside triphosphate, titanium dioxide and polyethylene polyamine evenly, then add sodium stearyl phosphate and polyester carbamate, and react for 25 minutes when heated to 85°C ;

[0039] (2) Add sebacic acid, i...

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Abstract

The invention discloses a rust-proof metal coating and a preparation method thereof. The rust-proof metal coating comprises, by weight, 20-40 parts of ammonium lauryl sulfate, 10-60 parts of ribonucleoside triphosphote, 35-70 parts of titanium dioxide, 25-50 parts of polyethylene polyamine, 5-30 parts of sebacic acid, 15-50 parts of isopropanolamine, 40-80 parts of sulfitation, 25-35 parts of octadecanol phosphate sodium salt, 10-40 parts of polyester type carbamic acid ester, 30-90 parts of divinyl tetramine, 30-60 parts of tertiary butyl anthraquinone and 20-70 parts of surface active agent. The preparation method comprises the steps of evenly mixing the ammonium lauryl sulfate, the ribonucleoside triphosphote, the titanium dioxide and the polyethylene polyamine, then adding the octadecanol phosphate sodium salt and the polyester type carbamic acid ester and heating the materials to be at the temperature ranging from 80 DEG C to 90 DEG C so as to perform reaction for 20-30 min; adding the sebacic acid, the isopropanolamine, the sulfitation, the divinyl tetramine, the tertiary butyl anthraquinone and the surface active agent into water at the temperature ranging from 30 DEG C to 40 DEG C to be dissolved, then adding the mixture to perform even stirring. The rust-proof metal coating is good in rust-proof performance, foaming performance and overall performance and wide in application range.

Description

technical field [0001] The invention belongs to the field of mechanical processing materials, and in particular relates to an antirust metal coating and a preparation method thereof. [0002] Background technique [0003] Paint is a chemical mixture paint that can firmly cover the surface of objects for protection, decoration, marking and other special purposes. It is mainly composed of three basic substances: film-forming substances, secondary film-forming substances and auxiliary film-forming substances. Film-forming substances: also known as binders, most of the film-forming substances are organic polymer compounds such as natural resins (rosin, lacquer), paints (tung oil, linseed oil, soybean oil, fish oil, etc.), synthetic resins, etc. It is formed by high temperature reaction, and there are also paints composed of inorganic substances (such as: inorganic zinc-rich paint). Various film-forming substances are divided into xxx categories according to national standard...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/06C09D5/08
Inventor 陈凌王琰任琪程晓
Owner FUJIAN HONGGUAN ROADS & BRIDGE ANTI CORROSIVE TECH
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