CN115707749A - High-adhesion antirust agent and preparation method thereof - Google Patents

High-adhesion antirust agent and preparation method thereof Download PDF

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Publication number
CN115707749A
CN115707749A CN202211207547.XA CN202211207547A CN115707749A CN 115707749 A CN115707749 A CN 115707749A CN 202211207547 A CN202211207547 A CN 202211207547A CN 115707749 A CN115707749 A CN 115707749A
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solution
prepare
adhesion
parts
stirring
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洪光日
芮明功
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MA'ANSHAN TUORUI METAL SURFACE TECHNOLOGY CO LTD
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MA'ANSHAN TUORUI METAL SURFACE TECHNOLOGY CO LTD
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Abstract

The invention discloses a high-adhesion antirust agent, which comprises the following raw materials in parts by weight: 0.001-0.02 part of modified synergist, 1-2.5 parts of aspartic acid, 0.005-0.008 part of tween-80, 0.01-0.04 part of vaseline and 80-100 parts of isopropanol; the method comprises the following steps: s1, preparing a modified synergist; s2, uniformly mixing aspartic acid and isopropanol to prepare a dispersion liquid; step S3, adding vaseline, tween-80 and the modified synergist into the dispersion liquid, and magnetically stirring for 30min to prepare the high-adhesion antirust agent; the addition of the modified material enhances the binding force of the antirust agent and the base material, and increases the antirust time, thereby enhancing the antirust effect.

Description

High-adhesion antirust agent and preparation method thereof
Technical Field
The invention relates to the technical field of protective materials, in particular to a high-adhesion antirust agent and a preparation method thereof.
Background
The anticorrosion is to select special anticorrosion materials on the surface of the metal base material to protect the base material from the corrosion of external factors, such as chemical corrosion of sewage, oil, atmospheric oxidation, acid, alkali, salt and the like.
It is counted that the metal loss is huge by hundreds of millions of yuan each year due to corrosion, and the corrosion of the metal material can affect the service performance and the subsequent processing process.
The most common anticorrosive material in the market at present is an antirust agent which has a certain anticorrosive effect, but the antirust agent has the common problems of poor adhesion and easy rubbing off, so that the anticorrosive time is shortened, and the durability is poor; therefore, finding a rust inhibitor with good adhesion and excellent corrosion resistance is an effective method for solving the problem of metal corrosion.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-adhesion antirust agent and a preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
a high-adhesion antirust agent comprises the following raw materials in parts by weight: 0.001-0.02 part of modified synergist, 1-2.5 parts of aspartic acid, 0.005-0.008 part of tween-80, 0.01-0.04 part of vaseline and 80-100 parts of isopropanol;
the high-adhesion antirust agent is prepared by the following steps:
step S1, preparing a modified synergist: uniformly mixing 80-100 parts by weight of absolute ethyl alcohol, 1-2.5 parts by weight of synergistic particles and 0.01-0.08 part by weight of siloxane, heating to 45-60 ℃, uniformly stirring and reacting for 4 hours, and filtering and washing after the reaction is finished to obtain a modified synergistic agent;
step S2, uniformly mixing aspartic acid and isopropanol to prepare a dispersion liquid;
and S3, adding vaseline, tween-80 and the modified synergist into the dispersion liquid, and magnetically stirring for 30min to prepare the high-adhesion antirust agent.
Further, the method comprises the following steps: the synergistic particle comprises the following steps:
step S1, adding zinc nitrate hexahydrate and aluminum nitrate nonahydrate into deionized water, and stirring at a constant speed to prepare a solution a; adding sodium carbonate and sodium hydroxide into deionized water, and stirring at a constant speed to prepare a solution b; adding the solution a and the solution b into deionized water to prepare a mixed solution, wherein the volume ratio of the solution a to the solution b is controlled to be 1: 1;
and S2, magnetically stirring the mixed solution, heating to 60 ℃, preserving heat, stirring for 24 hours, centrifuging, washing, and drying in a 65 ℃ drying box to obtain the synergistic particles.
Further, the method comprises the following steps: in the preparation process of the solution a in the step S1, the dosage ratio of zinc nitrate hexahydrate, aluminum nitrate nonahydrate and deionized water is controlled to be 0.01 mol: 100mL.
Further, the method comprises the following steps: in the preparation process of the solution b in the step S1, the dosage ratio of sodium carbonate, sodium hydroxide and deionized water is controlled to be 0.02 mol: 0.01 mol: 100mL.
A preparation method of a high-adhesion antirust agent comprises the following steps:
step S1, preparing a modified synergist: uniformly mixing 80-100 parts by weight of absolute ethyl alcohol, 1-2.5 parts by weight of synergistic particles and 0.01-0.08 part by weight of siloxane, heating to 45-60 ℃, uniformly stirring and reacting for 4 hours, and filtering and washing after the reaction is finished to obtain a modified synergistic agent;
step S2, uniformly mixing aspartic acid and isopropanol to prepare a dispersion liquid;
and S3, adding vaseline, tween-80 and the modified synergist into the dispersion liquid, and magnetically stirring for 30min to prepare the high-adhesion antirust agent.
The invention has the beneficial effects that:
according to the high-adhesion antirust agent, siloxane is used as a modifier to perform surface modification on synergistic particles, so that the antirust agent is more uniformly dispersed in an organic solvent, active functional groups such as-OH, -NH3 and the like are grafted on the surface of the antirust agent, the binding force of the antirust agent and a base material is enhanced by adding a modification material, and the antirust time is prolonged, so that the antirust effect is enhanced, vaseline is used as a film forming agent, tween-80 is used as a dispersing agent, and aspartic acid is used as a corrosion inhibitor, so that a compact film can be formed after the surface of a metal base material is coated, the entry of moisture, air and the like can be effectively blocked, and the action time of antirust components is prolonged.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A high-adhesion antirust agent comprises the following raw materials in parts by weight: 0.001 part of modified synergist, 1 part of aspartic acid, 0.005 part of tween-80, 0.01 part of vaseline and 80 parts of isopropanol;
the high-adhesion antirust agent is prepared by the following steps:
step S1, preparing a modified synergist: uniformly mixing 80 parts by weight of absolute ethyl alcohol, 1 part by weight of synergistic particles and 0.01 part by weight of siloxane, heating to 45 ℃, uniformly stirring and reacting for 4 hours, and filtering and washing after the reaction is finished to obtain a modified synergistic agent;
s2, uniformly mixing aspartic acid and isopropanol to prepare a dispersion liquid;
and S3, adding vaseline, tween-80 and the modified synergist into the dispersion liquid, and magnetically stirring for 30min to prepare the high-adhesion antirust agent.
The synergistic particle comprises the following steps:
step S1, adding zinc nitrate hexahydrate and aluminum nitrate nonahydrate into deionized water, and stirring at a constant speed to prepare a solution a, wherein the dosage ratio of the zinc nitrate hexahydrate, the aluminum nitrate nonahydrate and the deionized water is controlled to be 0.01 mol: 100mL, and the dosage ratio of sodium carbonate, sodium hydroxide and the deionized water is controlled to be 0.02 mol: 0.01 mol: 100mL; adding sodium carbonate and sodium hydroxide into deionized water, and stirring at a constant speed to prepare a solution b; adding the solution a and the solution b into deionized water to prepare a mixed solution, wherein the volume ratio of the solution a to the solution b is controlled to be 1: 1;
and S2, magnetically stirring the mixed solution, heating to 60 ℃, preserving heat, stirring for 24 hours, centrifuging, washing, and drying in a 65 ℃ drying box to obtain the synergistic particles.
Example 2
A high-adhesion antirust agent comprises the following raw materials in parts by weight: 0.001 part of modified synergist, 1.5 parts of aspartic acid, 0.006 part of tween-80, 0.02 part of vaseline and 85 parts of isopropanol;
the high-adhesion antirust agent is prepared by the following steps:
step S1, preparing a modified synergist: according to the weight parts, 85 parts of absolute ethyl alcohol, 1.5 parts of synergistic particles and 0.03 part of siloxane are uniformly mixed, the temperature is raised to 50 ℃, the mixture is stirred at a constant speed and reacts for 4 hours, and after the reaction is finished, the mixture is filtered and washed to prepare the modified synergistic agent;
s2, uniformly mixing aspartic acid and isopropanol to prepare a dispersion liquid;
and S3, adding vaseline, tween-80 and the modified synergist into the dispersion liquid, and magnetically stirring for 30min to prepare the high-adhesion antirust agent.
The synergistic particle comprises the following steps:
step S1, adding zinc nitrate hexahydrate and aluminum nitrate nonahydrate into deionized water, and stirring at a constant speed to prepare a solution a, wherein the dosage ratio of the zinc nitrate hexahydrate, the aluminum nitrate nonahydrate and the deionized water is controlled to be 0.01 mol: 100mL, and the dosage ratio of sodium carbonate, sodium hydroxide and the deionized water is controlled to be 0.02 mol: 0.01 mol: 100mL; adding sodium carbonate and sodium hydroxide into deionized water, and stirring at a constant speed to prepare a solution b; adding the solution a and the solution b into deionized water to prepare a mixed solution, wherein the volume ratio of the solution a to the solution b is controlled to be 1: 1;
and S2, magnetically stirring the mixed solution, heating to 60 ℃, preserving heat, stirring for 24 hours, centrifuging, washing, and drying in a 65 ℃ drying box to obtain the synergistic particles.
Example 3
A high-adhesion antirust agent comprises the following raw materials in parts by weight: 0.02 part of modified synergist, 2 parts of aspartic acid, 0.007 part of tween-80, 0.03 part of vaseline and 90 parts of isopropanol;
the high-adhesion antirust agent is prepared by the following steps:
step S1, preparing a modified synergist: uniformly mixing 90 parts by weight of absolute ethyl alcohol, 2 parts by weight of synergistic particles and 0.06 part by weight of siloxane, heating to 55 ℃, uniformly stirring and reacting for 4 hours, and filtering and washing after the reaction is finished to prepare a modified synergistic agent;
s2, uniformly mixing aspartic acid and isopropanol to prepare a dispersion liquid;
and S3, adding vaseline, tween-80 and the modified synergist into the dispersion liquid, and magnetically stirring for 30min to prepare the high-adhesion antirust agent.
The synergistic particle comprises the following steps:
step S1, adding zinc nitrate hexahydrate and aluminum nitrate nonahydrate into deionized water, and stirring at a constant speed to prepare a solution a, wherein the dosage ratio of the zinc nitrate hexahydrate, the aluminum nitrate nonahydrate and the deionized water is controlled to be 0.01 mol: 100mL, and the dosage ratio of sodium carbonate, sodium hydroxide and the deionized water is controlled to be 0.02 mol: 0.01 mol: 100mL; adding sodium carbonate and sodium hydroxide into deionized water, and stirring at a constant speed to prepare a solution b; adding the solution a and the solution b into deionized water to prepare a mixed solution, wherein the volume ratio of the solution a to the solution b is controlled to be 1: 1;
and S2, magnetically stirring the mixed solution, heating to 60 ℃, preserving heat, stirring for 24 hours, centrifuging, washing, and drying in a 65 ℃ drying box to obtain the synergistic particles.
Example 4
A high-adhesion antirust agent comprises the following raw materials in parts by weight: 0.02 part of modified synergist, 2.5 parts of aspartic acid, 0.008 part of Tween-80, 0.04 part of vaseline and 100 parts of isopropanol;
the high-adhesion antirust agent is prepared by the following steps:
step S1, preparing a modified synergist: uniformly mixing 100 parts by weight of absolute ethyl alcohol, 2.5 parts by weight of synergistic particles and 0.08 part by weight of siloxane, heating to 60 ℃, uniformly stirring and reacting for 4 hours, and filtering and washing after the reaction is finished to prepare the modified synergistic agent;
s2, uniformly mixing aspartic acid and isopropanol to prepare a dispersion liquid;
and S3, adding vaseline, tween-80 and the modified synergist into the dispersion liquid, and magnetically stirring for 30min to prepare the high-adhesion antirust agent.
The synergistic particle comprises the following steps:
step S1, adding zinc nitrate hexahydrate and aluminum nitrate nonahydrate into deionized water, stirring at a constant speed to prepare a solution a, controlling the dosage ratio of the zinc nitrate hexahydrate, the aluminum nitrate nonahydrate and the deionized water to be 0.01 mol: 0.01 mL, and controlling the dosage ratio of sodium carbonate, sodium hydroxide and the deionized water to be 0.02 mol: 0.01 mol: 100mL; adding sodium carbonate and sodium hydroxide into deionized water, and stirring at a constant speed to prepare a solution b; adding the solution a and the solution b into deionized water to prepare a mixed solution, wherein the volume ratio of the solution a to the solution b is controlled to be 1: 1;
and S2, magnetically stirring the mixed solution, heating to 60 ℃, preserving heat, stirring for 24 hours, centrifuging, washing, and drying in a 65 ℃ drying box to obtain the synergistic particles.
Comparative example 1
In comparison with example 1, mica powder was used as the synergistic particles in this comparative example.
Comparative example 2
This comparative example is a rust inhibitor produced by a commercially available company.
The rust inhibitors prepared in examples 1 to 4 of the present invention and comparative examples 1 to 2 were applied to the surface of metal to form a coating, and the salt spray resistance of the coating was measured, and the results are shown in the following table:
example 1 Example 2 Example 3 Example 4 Comparative example 1 Comparative example 2
Neutral salt fog resistance 753 755 752 756 635 580
It can be seen from the above table that the rust inhibitive coatings prepared in examples 1 to 4 of the present invention have excellent corrosion inhibitive performance.
The foregoing is illustrative and explanatory only of the present invention, and it is intended that the present invention cover modifications, additions, or substitutions by those skilled in the art, without departing from the spirit of the invention or exceeding the scope of the claims.

Claims (5)

1. A high-adhesion antirust agent is characterized in that: the feed comprises the following raw materials in parts by weight: 0.001-0.02 part of modified synergist, 1-2.5 parts of aspartic acid, 0.005-0.008 part of tween-80, 0.01-0.04 part of vaseline and 80-100 parts of isopropanol;
the high-adhesion antirust agent is prepared by the following steps:
step S1, preparing a modified synergist: uniformly mixing 80-100 parts by weight of absolute ethyl alcohol, 1-2.5 parts by weight of synergistic particles and 0.01-0.08 part by weight of siloxane, heating to 45-60 ℃, uniformly stirring and reacting for 4 hours, filtering and washing after the reaction is finished to obtain a modified synergistic agent;
s2, uniformly mixing aspartic acid and isopropanol to prepare a dispersion liquid;
and S3, adding vaseline, tween-80 and the modified synergist into the dispersion liquid, and magnetically stirring for 30min to prepare the high-adhesion antirust agent.
2. The high adhesion rust inhibitor according to claim 1, characterized in that: the synergistic particle comprises the following steps:
step S1, adding zinc nitrate hexahydrate and aluminum nitrate nonahydrate into deionized water, and stirring at a constant speed to prepare a solution a; adding sodium carbonate and sodium hydroxide into deionized water, and stirring at a constant speed to prepare a solution b; adding the solution a and the solution b into deionized water to prepare a mixed solution, wherein the volume ratio of the solution a to the solution b is controlled to be 1: 1;
and S2, magnetically stirring the mixed solution, heating to 60 ℃, preserving heat, stirring for 24 hours, centrifuging, washing, and drying in a 65 ℃ drying box to obtain the synergistic particles.
3. The high adhesion rust inhibitor according to claim 1, characterized in that: in the preparation process of the solution a in the step S1, the dosage ratio of the zinc nitrate hexahydrate, the aluminum nitrate nonahydrate and the deionized water is controlled to be 0.01 mol: 100mL.
4. The high adhesion rust inhibitor according to claim 1, characterized in that: in the preparation process of the solution b in the step S1, the dosage ratio of sodium carbonate, sodium hydroxide and deionized water is controlled to be 0.02 mol: 0.01 mol: 100mL.
5. The method for preparing the high-adhesion antirust agent according to claim 1, characterized in that: the method comprises the following steps:
step S1, preparing a modified synergist: uniformly mixing 80-100 parts by weight of absolute ethyl alcohol, 1-2.5 parts by weight of synergistic particles and 0.01-0.08 part by weight of siloxane, heating to 45-60 ℃, uniformly stirring and reacting for 4 hours, and filtering and washing after the reaction is finished to obtain a modified synergistic agent;
s2, uniformly mixing aspartic acid and isopropanol to prepare a dispersion liquid;
and S3, adding vaseline, tween-80 and the modified synergist into the dispersion liquid, and magnetically stirring for 30min to prepare the high-adhesion antirust agent.
CN202211207547.XA 2022-09-30 2022-09-30 High-adhesion antirust agent and preparation method thereof Pending CN115707749A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62109865A (en) * 1985-11-06 1987-05-21 Kouto Gijutsu Kenkyusho:Kk Anti-adhesion agent for paint
US20150191607A1 (en) * 2002-09-09 2015-07-09 Reactive Surfaces, Ltd Anti-fouling Paints and Coatings
CN107163844A (en) * 2017-05-16 2017-09-15 江南大学 A kind of antirust agent and preparation method and application
CN108017305A (en) * 2017-11-29 2018-05-11 中国科学院海洋研究所 A kind of thiadiazoles corrosion inhibitor compound of active group containing cinnamic acid of hydrotalcite intercalation chlorion probe modification and its application
CN111423795A (en) * 2020-05-25 2020-07-17 朱小丽 Environment-friendly waterproof building coating for wall surface and preparation method thereof
CN112158872A (en) * 2020-09-30 2021-01-01 重庆大学 In-situ synthesis method of zinc-aluminum hydrotalcite-graphene nanocomposite
CN113716888A (en) * 2021-08-13 2021-11-30 广西大学 Preparation method of hydrotalcite rust inhibitor based on single-point pH value control

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62109865A (en) * 1985-11-06 1987-05-21 Kouto Gijutsu Kenkyusho:Kk Anti-adhesion agent for paint
US20150191607A1 (en) * 2002-09-09 2015-07-09 Reactive Surfaces, Ltd Anti-fouling Paints and Coatings
CN107163844A (en) * 2017-05-16 2017-09-15 江南大学 A kind of antirust agent and preparation method and application
CN108017305A (en) * 2017-11-29 2018-05-11 中国科学院海洋研究所 A kind of thiadiazoles corrosion inhibitor compound of active group containing cinnamic acid of hydrotalcite intercalation chlorion probe modification and its application
CN111423795A (en) * 2020-05-25 2020-07-17 朱小丽 Environment-friendly waterproof building coating for wall surface and preparation method thereof
CN112158872A (en) * 2020-09-30 2021-01-01 重庆大学 In-situ synthesis method of zinc-aluminum hydrotalcite-graphene nanocomposite
CN113716888A (en) * 2021-08-13 2021-11-30 广西大学 Preparation method of hydrotalcite rust inhibitor based on single-point pH value control

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Application publication date: 20230221