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Solvent-free epoxy internal drag reducing coating

A solvent-free, epoxy-based technology, applied in epoxy resin coatings, anti-corrosion coatings, fire-resistant coatings, etc., can solve problems such as poor light stability, achieve enhanced coating film performance, enhanced mechanical force and coating performance, and facilitate construction Effect

Inactive Publication Date: 2019-02-15
TIANJIN MEISHIBANG PAINT CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Epoxy resin has excellent bonding performance, high hardness and good flexibility after curing. The primer made of this resin has fast drying, high hardness and excellent water resistance and storage performance. The only disadvantage is poor light stability.

Method used

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  • Solvent-free epoxy internal drag reducing coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A solvent-free epoxy internal drag-reducing coating, including a main agent and a curing agent. The mass ratio of the main agent and curing agent is 4:1.

[0030] The main agent includes the following components in parts by weight: 38.0 parts of epoxy resin, 7.25 parts of epoxy diluent, 1.72 parts of anti-sedimentation aid, 5.0-15.0 parts of iron oxide red, 22.63 parts of 400 mesh talcum powder, 21.87 parts of superfine barium sulfate, 0.5 parts of defoaming agent, 0.72 parts of leveling agent, and 2.31 parts of sagging aid. The curing agent includes the following components in parts by weight: 50.0 parts of E-3034, 2.70 parts of epoxy resin accelerator, and 47.3 parts of xylene.

[0031] The main agent is prepared by the method comprising the following steps:

[0032] Step 1: Add 38.0 parts of epoxy resin, 2.0 parts of epoxy diluent, and 1.72 parts of anti-sedimentation aid talcum powder into the reaction kettle in turn, and stir at a high speed to obtain a mixed sol...

Embodiment 2

[0039] A solvent-free epoxy internal drag-reducing coating, including a main agent and a curing agent. The mass ratio of the main agent and curing agent is 5:1.

[0040] The main agent includes the following components in parts by weight: 41.44 parts of epoxy resin, 18.59 parts of epoxy diluent, 0.24 parts of anti-sedimentation aid, 15.0 parts of iron oxide red, 12.87 parts of 400 mesh talc powder, superfine 10.85 parts of barium sulfate, 0.1 parts of defoaming agent, 0.28 parts of leveling agent, and 0.63 parts of sagging aid. The curing agent includes the following components in parts by weight: 62.5 parts of E-3034, 2.70 parts of epoxy resin accelerator, and 34.8 parts of xylene.

[0041] The main agent is prepared by the method comprising the following steps:

[0042] Step 1: Add 41.44 parts of epoxy resin, 8.81 parts of epoxy thinner, and 0.24 parts of anti-sedimentation aid talcum powder into the reaction kettle in turn, and stir at a high speed to obtain a mixed solut...

Embodiment 3

[0049] A solvent-free epoxy internal drag-reducing coating, including a main agent and a curing agent. The mass ratio of the main agent and curing agent is 5:1.

[0050]The main agent includes the following components in parts by weight: 46.0 parts of epoxy resin, 4.6 parts of epoxy diluent, 1.0 parts of anti-sedimentation aid, 12.0 parts of iron oxide red, 19.12 parts of 400 mesh talcum powder, superfine 15.0 parts of barium sulfate, 0.3 parts of defoaming agent, 0.48 parts of leveling agent, and 1.5 parts of sagging aid. The curing agent includes the following components in parts by weight: 58.5 parts of E-3034, 2.0 parts of epoxy resin accelerator, and 39.5 parts of xylene.

[0051] The main agent is prepared by the method comprising the following steps:

[0052] Step 1: Add 46.0 parts of epoxy resin, 4.0 parts of epoxy diluent, and 1.0 part of anti-sedimentation aid talcum powder into the reaction kettle in sequence, and perform high-speed stirring to obtain a mixed solu...

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Abstract

The invention provides a solvent-free epoxy internal drag reducing coating. The coating comprises a main agent and a curing agent, wherein the main agent comprises the following components in parts byweight: 38.0-46.0 parts of an epoxy resin, 2.6-18.59 parts of an epoxy diluent 1, 0.24-1.72 parts of an anti-settling agent, 5.0-15.0 parts of iron oxide red, 12.87-22.63 parts of 400-mesh talcum powder, 10.85-21.87 parts of ultrafine barium sulfate, 0.1-0.5 part of an antifoaming agent, 0.28-0.72 part of a leveling agent and 0.63-2.31 parts of a release auxiliary; and the curing agent comprisesthe following components in parts by weight: 50.0-62.5 parts of E-3034, 1.25-2.70 parts of an epoxy resin accelerator, 32-83-50.72 parts of xylene. The coating has the advantages and positive effectsof being good in water resistance and corrosion resistance, tough in film and good in wear resistance.

Description

technical field [0001] The invention relates to the field of paint manufacturing, in particular to a solvent-free epoxy internal drag-reducing paint. Background technique [0002] Epoxy resin has the advantages of strong adhesion, high hardness, wear resistance, acid and alkali resistance, etc., so it is widely used in heavy-duty anti-corrosion paint, ship paint, container paint, etc., especially epoxy paint. With the rapid development of the economy, modern industries, office environments, hospitals and other public places have higher and higher environmental requirements, and traditional coatings are difficult to meet the requirements of modern industries. Traditional solvent-based epoxy paint will discharge a large amount of organic solvents (VOC) during production, construction, and curing, causing environmental pollution and affecting human health. In recent years, countries around the world have formulated corresponding regulations on coatings to limit the amount of s...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08C09D5/18C09D7/61C09D7/45C09D7/20
CPCC09D163/00C08K2003/2272C08K2003/3045C09D5/084C09D5/18C09D7/20C09D7/45C09D7/61C08K13/02C08K3/22C08K3/34C08K3/30
Inventor 赵惠清赵惠红李东海
Owner TIANJIN MEISHIBANG PAINT CHEM IND
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