Amino baking varnish for galvanized pipe and preparation method of amino baking varnish

A technology of amino baking varnish and galvanized pipe, which is applied in the field of amino baking varnish and its preparation, can solve the problems of galvanized pipe oxidation and other problems, and achieve the effects of enhancing adhesion, long-term anti-corrosion performance, and preventing oxidation

Inactive Publication Date: 2019-10-29
山东七维新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem of preventing oxidation and corrosion of galvanized pipes, the pr

Method used

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  • Amino baking varnish for galvanized pipe and preparation method of amino baking varnish
  • Amino baking varnish for galvanized pipe and preparation method of amino baking varnish

Examples

Experimental program
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Example Embodiment

[0041] Example 1

[0042] What the invention provides is the preparation method of the amino baking varnish used for galvanized pipe, the step comprises:

[0043] 1) In parts by weight, add 20 parts of deionized water, 1 part of organosilicon defoamer, 0.1 part of organic bentonite, and 0.8 part of dispersant to the grinding jar in turn, and disperse for 15min under the condition that the rotating speed is 800r / min, form a mixed solution for use;

[0044] 2) In parts by weight, firstly adjust the rotation speed of the grinding tank to 600 r / min, add 1 part of coloring pigment and 2 parts of anti-rust material in turn while stirring the mixed solution, and mix evenly to obtain Slurry I, which is used for later use.

[0045] 3) Take 80 parts of slurry I and 70 parts of zirconium beads by weight, add zirconium beads to slurry I, adjust the speed to 3000r / min, grind at a temperature lower than 50 ℃, and grind to fineness 20μm, to form slurry II, for use;

[0046] 4) Preparation...

Example Embodiment

[0049] Example 2

[0050] What the invention provides is the preparation method of the amino baking varnish used for galvanized pipe, the step comprises:

[0051] 1) In parts by weight, add 25 parts of deionized water, 1.2 parts of organic bentonite, 2 parts of organosilicon defoamer, and 1 part of dispersant in the grinding jar in turn, and disperse for 15min under the condition that the rotating speed is 800r / min, form a mixed solution for use;

[0052] 2) In parts by weight, firstly adjust the rotation speed of the grinding tank to 600 r / min, add 1 part of coloring pigment and 4 parts of anti-rust material in turn while stirring the mixed solution, and mix well to obtain slurry I, which is used for later use.

[0053] 3) Take 80 parts of slurry I and 70 parts of zirconium beads by weight, add zirconium beads to slurry I, adjust the speed to 3000r / min, grind at a temperature lower than 50 ℃, and grind to fineness 15μm, to form slurry II, for use;

[0054] 4) Preparation o...

Example Embodiment

[0057] Example 3

[0058] What the invention provides is the preparation method of the amino baking varnish used for galvanized pipe, the step comprises:

[0059] 1) In parts by weight, add 30 parts of deionized water, 3.5 parts of organosilicon defoamer, 1.4 parts of organobentonite, and 1.1 parts of dispersant in the grinding jar in turn, and disperse for 15min under the condition that the rotating speed is 800r / min, form a mixed solution for use;

[0060] 2) In parts by weight, firstly adjust the rotation speed of the grinding tank to 700 r / min, add 2 parts of coloring pigments and 5 parts of anti-rust material in turn while stirring the mixed solution, mix well, and prepare slurry I for use.

[0061] 3) Take 80 parts of slurry I and 70 parts of zirconium beads by weight, add zirconium beads to slurry I, adjust the speed to 3000r / min, grind at a temperature lower than 50 ℃, and grind to fineness Less than 20μm, form slurry II, ready for use;

[0062] 4) Preparation of fi...

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Abstract

The invention relates to an amino baking varnish, in particular to an amino baking varnish for a galvanized pipe and a preparation method of the amino baking varnish. The amino baking varnish comprises resin, a conventional auxiliary agent, a film forming auxiliary agent, an anti-settling agent, a thickener, deionized water, a functional auxiliary agent, a dispersing agent, a coloring pigment, ananti-rust material, methyl etherified amino resin, an amine neutralizing agent, a leveling agent and a wetting agent. According the amino baking varnish, adhesion is excellent, the crosslink density of the amino resin can be enhanced by adding enclosed isocyanate, the adhesion with a base material is enhanced, oxidation and rust of the galvanized pipe are prevented, the preparation process is simple, the operation is convenient, the production cost is saved, and manpower and material resources are saved.

Description

technical field [0001] The invention relates to a coating, in particular to an amino baking varnish for galvanized pipes and a preparation method thereof. Background technique [0002] Galvanized pipe is a welded steel pipe with a hot-dip or electro-galvanized layer on the surface. Galvanizing can increase the corrosion resistance of steel pipes and prolong their service life. Galvanized pipes are widely used. In addition to being used as pipeline pipes for general low-pressure fluids such as water, gas, and oil, they are also used as oil well pipes and oil pipelines in the petroleum industry, especially offshore oil fields, and oil heaters and condensation pipes for chemical coking equipment. Pipes for coolers, coal distillation washing oil exchangers, trestle piles, and support pipes for mine tunnels, etc. [0003] The use of galvanized pipes The iron pipes used for gas and heating are also galvanized pipes. Galvanized pipes are used as water pipes. After several years o...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D161/32C09D5/08C09D7/45C09D7/63
CPCC08L2203/18C08L2312/00C09D5/08C09D7/45C09D7/63C09D133/04C08L61/32C08K13/06C08K3/346C08K7/26
Inventor 姜凤冕杨昆明马祥格赵瑞超
Owner 山东七维新材料有限公司
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