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Functional modified epoxy anticorrosive paint and preparation method

An epoxy anti-corrosion paint, functional technology, applied in the field of coatings, can solve problems such as paint film debonding, and achieve the effects of fast drying of paint film, simple preparation method and easy mass production

Active Publication Date: 2012-10-10
CHANGZHOU HUASHI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the disadvantage that the existing paint film is easy to be glued after being bonded to the hot melt adhesive film at high temperature after drying, the invention provides a functional modified epoxy anti-corrosion paint and its preparation method

Method used

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Examples

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Embodiment Construction

[0054] Components and preferred weight percentages of the functional anticorrosion paint of the present invention consist of:

[0055] A component:

[0056] Anticorrosion pigment 10-15%;

[0057] Dispersant 1-2%;

[0058] Leveling agent 0.5-1%;

[0059] Modifier 8-10%;

[0060] B component:

[0061] Polyamide 40-50%;

[0062] Titanate 10-15%;

[0063] The component of functional anticorrosion paint of the present invention and the percentage of preferred weight thereof consist of:

[0064] A component:

[0065] Low molecular weight modified epoxy resin: 40%;

[0066] Anti-corrosion pigment: 10%;

[0067] Filler: 15%;

[0068] Titanium dioxide: 15%;

[0069] Environmentally friendly solvent: 10%;

[0070] Dispersant: 1.5%;

[0071] Defoamer: 0.5%;

[0072] Modifier: 8%;

[0073] B component:

[0074] Polyamide: 50%;

[0075] Ti...

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Abstract

The invention relates to the technical field of paint, and in particular relates to functional modified epoxy anticorrosive paint and a preparation method thereof. The functional modified epoxy anticorrosive paint comprises constituents A, constituents B and constituents C, wherein constituents A comprise low molecular weight epoxy resin, anticorrosive pigment, titanium dioxide, environmental protection solvent, dispersant, defoamer, leveling agent and packing; constituents B comprise titanate, polyamide curing agent and environment-friendly solvent; and constituents C comprise polybasic divalent esters, S100# solvent and n-butanol. During use, the mass ratio of constituents A to B to C is 4:1:3. The functional modified epoxy anticorrosive paint has the advantages of alkali resistance, high and low temperature resistance, anticorrosion, strong adhesiveness to hot melting adhesive membranes and good paint film adhesiveness, is non-toxic, non-pollution, environment-friendly, safe to use and easy to operate; the paint film is fast to dry, can resist high temperature above 200 DEG C and low temperature above -30 DEG C; and the preparation method is simple, and is easy to realize mass production.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a functional modified epoxy anticorrosion paint and a preparation method thereof. Background technique [0002] The anti-corrosion paint currently used is composed of ordinary epoxy resin filler polyamide curing agent and organic solvent. The drying temperature of the paint film is 140-150 ℃ for 30 minutes, and the solid content is about 40-50%. It is sprayed. The paint film is poor in acid and alkali resistance, 10% sodium hydroxide soaks for 5 minutes, the paint film is severely blistered and paint-off, and the paint film is severely foamed and paint-off after 120 hours of neutral salt spray. After the adhesive film is bonded, it is easy to open the glue. Contents of the invention [0003] In order to overcome the disadvantage that the existing paint film is prone to debonding after being bonded with a hot-melt adhesive film at high temperature after drying, the invention p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D163/02C09D177/00C09D7/12C09D5/08
Inventor 黄勤力
Owner CHANGZHOU HUASHI CHEM
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