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Protective paint for heat treatment of metal

A technology of metal heat treatment and protective coating, applied in the direction of coating, etc., can solve the problem of single metal protection, achieve good drying performance, prevent oxidation, and prevent decarburization

Active Publication Date: 2013-06-05
西安经建油漆有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current metal heat treatment protective coating can effectively protect the metal during the metal heat treatment process, but the metal protection during the heat treatment process is relatively simple, either to prevent carburization, or to prevent boronization, or to prevent decarburization, or to prevent debonding. Hydrogen, etc.; in addition, after heat treatment, some protective coatings must be sandblasted to remove the coating

Method used

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  • Protective paint for heat treatment of metal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Army Green Metal Heat Treatment Protective Coating (Table 1)

[0015] Material name Category Material specification Weight (kg) Ethyl cellulose resin W type 3 Organic Bentonite Clay 20% 5 Chrome Oxide Green industry 8 11# glass frit industry 12 04# glass frit industry 10 M-1 glass frit industry 8 barium metaborate industry 6 Mica powder 400 mesh 2 Red mica iron oxide 100 mesh 5 ethanol industry 40

[0016] Wherein the organic bentonite paste (20%) in Table 1 is composed of organic bentonite 20% of organic bentonite, 5% ethanol, and 75% xylene; by weight percentage. Chromium oxide green is a pigment for industrial products.

[0017] The preparation process of the coating: the above-mentioned ethyl cellulose resin, organic bentonite paste, chromium oxide green, 11# glass frit, 04# glass frit, M-1 glass frit, mica powder, barium metaborate, red mica iron oxide , ethanol is adde...

Embodiment 2

[0019] Protective coatings for heat treatment of ferrous metals (Table 2)

[0020] Material name Category Material specification Weight (kg) Ethyl cellulose resin W type 4 Organic Bentonite Clay 20% 6 Chrome black industry 3 11# glass frit industry 14 04# glass frit industry 11 M-1 glass frit industry 12 barium metaborate industry 8 Mica powder 400 mesh 3 Red mica iron oxide 100 mesh 6 ethanol industry 34

[0021] Wherein the organic bentonite paste in table 2, its concentration is 20%, and composition is with embodiment 1; Its coating preparation method is identical with embodiment 1. Iron chrome black is a pigment for industrial products.

Embodiment 3

[0023] Gray Metallic Heat Treatment Protective Coatings (Table 3)

[0024] Material name Category Material specification Weight (kg) Ethyl cellulose resin W type 4 Organic Bentonite Clay 20% 6 Titanium dioxide Rutile type 8 Chrome black industry 1 11# glass frit industry 14 04# glass frit industry 10 M-1 glass frit industry 10 barium metaborate industry 5 Mica powder 400 mesh 3 Red mica iron oxide 100 mesh 7 ethanol industry 34

[0025] Wherein the organic bentonite paste in table 3, its concentration is 20%, and composition is with embodiment 1; The preparation method of its coating is identical with embodiment 1.

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Abstract

The invention provides protective paint for heat treatment of metal, which is characterized by being prepared from the following raw materials in parts by weight: 2-5 parts of W type ethyl cellulose resin, 5-10 parts of organobentonite paste having an organobentonite content of 20%, 10-15 parts of 11# frit, 10-12 parts of 04# frit, 5-13 parts of M-1 frit, 5-8 parts of industrial grade barium metaborate, 1-6 parts of 400-mesh mica powder, 5-8 parts of industrial grade rubellan iron oxide, 3-11 parts of industrial grade pigment and 20-50 parts of ethanol. In an environment of 900 DEG C, the paint can achieve favorable drying property and excellent physical and chemical properties through secondary film forming of the combined frit; and meanwhile, a coating formed by the paint also has favorable self-releasing property.

Description

technical field [0001] The invention relates to a coating, in particular to a protective coating for metal heat treatment, which can achieve good drying performance and excellent physical and chemical properties through the secondary film formation of glass frit, and has good protection performance for metals treated in high temperature environments . Background technique [0002] The current metal heat treatment protective coating can effectively protect the metal during the metal heat treatment process, but the metal protection during the heat treatment process is relatively simple, either to prevent carburization, or to prevent boronization, or to prevent decarburization, or to prevent debonding. Hydrogen, etc.; In addition, after the heat treatment, some protective coatings must be sandblasted to remove the coating. The heat-treated protective coating of the present invention can effectively prevent decarburization, dehydrogenation, carburization, boronization, and hy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12
Inventor 马咏楠张海信姚江柳赵绍芬
Owner 西安经建油漆有限责任公司
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