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Anticorrosive paint based on amination linoleic acid copolymerized acrylic resin and preparation method of anticorrosive paint

A technology of oleic acid copolymerized acrylic acid and anti-corrosion coatings, which is applied in the direction of anti-corrosion coatings and coatings, which can solve the problems of low coating efficiency, high viscosity, and large molecular weight of the resin, and achieve the effect of inhibiting corrosion

Active Publication Date: 2015-04-08
SUZHOU JIREN HIGH TECH MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First of all, due to the large molecular weight and high viscosity of the traditional solvent-based acrylic resin coating, it needs a large amount of organic solvent to dilute, which is not conducive to environmental protection, and the coating efficiency is not high

Method used

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  • Anticorrosive paint based on amination linoleic acid copolymerized acrylic resin and preparation method of anticorrosive paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] one. Synthesis of Aminated Linoleic Acid Copolymerized Acrylic Resin

[0041] 1. Raw material and dosage mass percentage

[0042] Component content

[0043] Methyl methacrylate 10%

[0044] Styrene 25%

[0045] Isooctyl Acrylate 5%

[0046] Hydroxyethyl Acrylate 4%

[0047] Linoleic Acid 5%

[0048] Ethylenediamine 0.26%

[0049] Azobisisobutyronitrile 2%

[0050] Butyl acetate 48.74%

[0051] 2. Preparation method

[0052]First, pour the linoleic acid into the reaction container, heat it to 50°C, add quantitative ratio of ethylenediamine dropwise to the linoleic acid, the dropping time is controlled within 1 hour, after the dropwise addition, the temperature is controlled at about 70°C , reacted for 1.5 hours. Aminated linoleic acid is obtained. Then all methyl methacrylate, styrene, isooctyl acrylate, hydroxyethyl acrylate and 80% of the total mass of azobisisobutyronitrile were stirred according to the formula ratio to obtain mixed monomers, and t...

Embodiment 2

[0067] one. Synthesis of Aminated Linoleic Acid Copolymerized Acrylic Resin

[0068] 1. Raw material and dosage mass percentage

[0069] Component content

[0070] Methyl methacrylate 20%

[0071] Styrene 15%

[0072] Isooctyl Acrylate 2%

[0073] Hydroxyethyl Acrylate 1%

[0074] Linoleic Acid 10%

[0075] Ethylenediamine 0.52%

[0076] Azobisisobutyronitrile 1.48%

[0077] Butyl acetate 50%

[0078] 2. Preparation method

[0079] First, pour linoleic acid into the reaction container, heat it to 70°C, add quantitative ratio of ethylenediamine dropwise to linoleic acid, control the dropping time between 0.1 hour, after the dropwise addition, control the temperature at about 85°C , reacted for 1 hour. Aminated linoleic acid is obtained. Then all methyl methacrylate, styrene, isooctyl acrylate, hydroxyethyl acrylate and 80% of the total mass of azobisisobutyronitrile were stirred according to the formula ratio to obtain mixed monomers, and the reaction ves...

Embodiment 3

[0094] 1. Raw material and dosage mass percentage

[0095] Component content

[0096] Methyl methacrylate 15.45%

[0097] Styrene 24%

[0098] Isooctyl Acrylate 6%

[0099] Hydroxyethyl Acrylate 3%

[0100] Linoleic Acid 20%

[0101] Ethylenediamine 1.05%

[0102] Azobisisobutyronitrile 0.5%

[0103] Butyl acetate 30%

[0104] 2. Preparation method

[0105] First, pour linoleic acid into the reaction container, heat it to 60°C, add quantitative ethylenediamine dropwise into linoleic acid, and control the dropping time between 0.5 hours. After the dropwise addition, the temperature is controlled at about 65°C , reacted for 2 hours. Aminated linoleic acid is obtained. Then all methyl methacrylate, styrene, isooctyl acrylate, hydroxyethyl acrylate and 80% of the total mass of azobisisobutyronitrile were stirred according to the formula ratio to obtain mixed monomers, and the reaction vessel was heated for 70 ℃, drop the mixture of the monomer and the initiator...

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Abstract

The invention discloses an anticorrosive paint based on amination linoleic acid copolymerized acrylic resin and a preparation method of the anticorrosive paint. The paint comprises following components of amination linoleic acid copolymerized acrylic resin, mica iron oxide, zinc phosphate, aluminium triphosphate, mica powder, talcum powder, organic bentonite, butyl acetate, ethyl acetate and the like. The process for preparing the amination linoleic acid copolymerized acrylic resin comprises steps that firstly acrylic prepolymer is prepared through mass polymerization, and then the acrylic prepolymer is further copolymerized with amination linoleic acid through free radicals through a solution polymerization method. The components are mixed according to a given proportion and then are rapidly blended and uniformly ground into particles with granularity of less than 50 micrometers. The prepared paint is coated on the metal surface and dried at normal temperature to form a membrane. The paint membrane has advantages of high solid content, rapid drying speed, good mechanical performance, good corrosion resistance and the like.

Description

technical field [0001] The invention relates to an anti-corrosion paint and a preparation process thereof, and further relates to an anti-corrosion paint based on aminated linoleic acid copolymerized acrylic resin and a preparation process thereof. Background technique [0002] Traditional thermoplastic coatings based on acrylic resins provide poor protection against metal corrosion. Due to the linear chain segment, the interaction force between the chain segments is relatively small, and the chain segments cannot effectively prevent the penetration of water, oxygen and salt. General corrosion resistance. [0003] Due to the special light, heat and chemical stability of the C-C main chain and the modifiability of the groups on its side chains, the acrylic resin as the main film-forming base material has poor weather resistance, oil resistance and solvent resistance. With unique advantages, it is widely favored in the field of industrial and civil construction. [0004] H...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D125/14C09D133/12C09D7/12C09D5/08C08F212/08C08F236/22C08F220/14C08F220/18C08F220/28
Inventor 李为立徐泽孝张鑫
Owner SUZHOU JIREN HIGH TECH MATERIAL CO LTD
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