CN108385111A - Compound vapour phase inhibitor and its preparation method and application - Google Patents
Compound vapour phase inhibitor and its preparation method and application Download PDFInfo
- Publication number
- CN108385111A CN108385111A CN201810208028.2A CN201810208028A CN108385111A CN 108385111 A CN108385111 A CN 108385111A CN 201810208028 A CN201810208028 A CN 201810208028A CN 108385111 A CN108385111 A CN 108385111A
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- Prior art keywords
- vapour phase
- compound vapour
- phase inhibitor
- sodium
- inhibitor
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/02—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The present invention discloses a kind of compound vapour phase inhibitor and its preparation method and application, and in terms of the weight of compound vapour phase inhibitor, which includes following component：6 methylol benzothiazole sodium cinnamate, 2 12wt%, 50 80wt% of sodium benzoate, 5 16wt% of methyl benzotriazazole, 2 8wt% of ammonium benzoate, 2 5wt% of 2 8wt% of methenamine, 2 10wt% of aminotriazole and Laur hydrazine, wherein, the sum of weight of each component is 100%；The compound vapour phase inhibitor of the present invention has good volatile rust prevention performance to more metals such as steel, copper.
Description
Technical field
The invention belongs to vci field, more particularly, to a kind of compound vapour phase inhibitor and preparation method thereof and
Using.
Background technology
Vapour phase inhibitor (VCI) anti-corrosion is that have volatility based on it, can reach saturated concentration in confined space.When
VCI volatile moleculars encounter moisture (H in space2When O), i.e., and H2O reacts, and decomposites the group of corrosion inhibition, they are transported
Move to metal surface, metal surfaces are directly reached with those and dissolved in moisture film and together with the inhibiting group of hydrolysis, with moisture film
In H+、OH-、O2Deng reaction, substituted metal ion (Me+) and be adsorbed on metal surface formation protective film, " micro cell is anti-for inhibition
Answer " play anti-corrosion protective effect.It is all-pervasive since inhibitor molecular is gaseous state, no matter metal product shape how
Complexity still can get ideal rust-proof effect.It is efficient to the antirust of vapor phase inhibitor with the popularization and application of vapor phase inhibitor technology
Property, it is proposed very high requirement with the compatibility of metal product and safety, therefore, it is necessary to provide a kind of environmentally friendly, anti-
Rust performance efficiency and long-term is carried out to more metals so that it can realize with the good volatile rust prevention product of the compatibility of metal
Corrosion protection.
Invention content
The object of the present invention is to provide a kind of environmental protection, rustless property is efficient and is answered with the good gas phase of the compatibility of metal
It closes corrosion inhibiter and more metals is carried out with long-term corrosion protection so that it can realize.
To achieve the goals above, first aspect present invention provides a kind of compound vapour phase inhibitor, with compound vapor phase corrosion inhibitor
The weight meter of agent, the corrosion inhibiter include following component：6- methylols-aminobenzothiazole sodium cinnamate 2-12wt%, benzoic acid
Sodium 50-80wt%, methyl benzotriazazole 5-16wt%, ammonium benzoate 2-8wt%, methenamine 2-8wt%, aminotriazole 2-
10wt% and Laur hydrazine 2-5wt%, wherein the sum of weight of each component is 100%.
The second aspect of the present invention provides a kind of preparation method of the compound vapour phase inhibitor, which includes
Following steps：
(1) 6- methylols-aminobenzothiazole sodium cinnamate, methyl benzotriazazole, aminotriazole and Laur hydrazine is mixed
It closes uniform；
(2) sodium benzoate, ammonium benzoate and methenamine are uniformly mixed；
(3) mixture obtained by the step (1) and the step (2) is uniformly mixed, it is slow obtains the compound gas phase
Lose agent.
The third aspect of the present invention provides a kind of compound vapour phase inhibitor as preparing answering for volatile rust prevention product
With.
Technical scheme of the present invention has the following advantages that：
(1) compound vapour phase inhibitor of the invention has good volatile rust prevention performance, gas phase slow on more metals such as steel, copper
Erosion ability is 0 grade, rustless, and damp heat test can reach 7 days non-corrodings, and have good compatibility with copper；
(2) compound vapour phase inhibitor of the invention has long-acting vapor phase corrosion inhibitor ability, the vapor phase corrosion inhibitor ability after consumption
It is 0 grade, it is rustless；
(3) compound vapour phase inhibitor of the invention is widely used, the gas prepared using the compound vapour phase inhibitor of the present invention
Phase antirust product has good comprehensive rustless property to more metals；
(4) compound vapour phase inhibitor of the invention is free of sodium nitrite, safe and environment-friendly.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The preferred embodiment of the present invention is described in more detail below.Although the following describe the preferred implementations of the present invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without should be limited by embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
The first aspect of the present invention provides a kind of compound vapour phase inhibitor, and in terms of the weight of compound vapour phase inhibitor, this is slow
It includes following component to lose agent：6- methylols-aminobenzothiazole sodium cinnamate 2-12wt%, sodium benzoate 50-80wt%, methyl
Benzotriazole 5-16wt%, ammonium benzoate 2-8wt%, methenamine 2-8wt%, aminotriazole 2-10wt% and Laur hydrazine 2-
5wt%, wherein the sum of weight of each component is 100%.
In accordance with the present invention it is preferred that in terms of the weight of compound vapour phase inhibitor, which includes following component：6- hydroxyls
Methyl-amino benzothiazole sodium cinnamate 5-10wt%, sodium benzoate 60-70wt%, methyl benzotriazazole 8-13wt%, benzene
Ammonium formate 2-6wt%, methenamine 2-6wt%, aminotriazole 3-8wt% and Laur hydrazine 2-5wt%, wherein the weight of each component
The sum of amount is 100%.
The present invention passes through 6- methylols-aminobenzothiazole sodium cinnamate, methyl benzotriazazole, aminotriazole and lauroyl
The coordinated of hydrazine acts on so that and compound vapour phase inhibitor of the invention has good rustless property to non-ferrous metals such as copper,
Damp heat test can reach 7 days non-corrodings；It is acted on by the coordinated of sodium benzoate, ammonium benzoate and methenamine so that
The compound vapour phase inhibitor of the present invention has good rustless property to Summoning, and vapor phase corrosion inhibitor ability is 0 grade, rustless, damp and hot
Experiment can reach 7 days non-corrodings.
The second aspect of the present invention provides a kind of preparation method of the compound vapour phase inhibitor, which includes
Following steps：
(1) 6- methylols-aminobenzothiazole sodium cinnamate, methyl benzotriazazole, aminotriazole and Laur hydrazine is mixed
It closes uniform；
(2) sodium benzoate, ammonium benzoate and methenamine are uniformly mixed；
(3) mixture obtained by the step (1) and the step (2) is uniformly mixed, it is slow obtains the compound gas phase
Lose agent.
The each component for preparing compound vapour phase inhibitor of the present invention can be commercially available.
The third aspect of the present invention provides a kind of compound vapour phase inhibitor as preparing answering for volatile rust prevention product
With.
In accordance with the present invention it is preferred that the volatile rust prevention product is Gas-phase antirust bar.
In accordance with the present invention it is preferred that the volatile rust prevention product includes volatile rust preventive paper, gas phase anti-tarnishing film, volatile rust prevention
Liquid, volatile rust prevention powder and gas phase Rustproof rubber.
Volatile rust prevention product prepared by compound vapour phase inhibitor through the invention all has the various metals such as steel, copper good
Good rustless property.
It further illustrates the present invention by the following examples：
Embodiment 1
The present embodiment provides a kind of compound vapour phase inhibitors, and in terms of the weight of compound vapour phase inhibitor, which includes
Following component：6- methylols-aminobenzothiazole sodium cinnamate 7.2wt%, sodium benzoate 65.4wt%, methyl benzotriazazole
11.3wt%, ammonium benzoate 4wt%, methenamine 4wt%, aminotriazole 5.6wt% and Laur hydrazine 2.5wt%, wherein each group
The sum of weight divided is 100%.
Preparation method is：(1) by 6- methylols-aminobenzothiazole sodium cinnamate, methyl benzotriazazole, aminotriazole and
Laur hydrazine is uniformly mixed；(2) sodium benzoate, ammonium benzoate and methenamine are uniformly mixed；(3) by the step (1) and
Mixture obtained by the step (2) is uniformly mixed, and obtains the compound vapour phase inhibitor.
Embodiment 2
The present embodiment provides a kind of compound vapour phase inhibitors, and in terms of the weight of compound vapour phase inhibitor, which includes
Following component：6- methylols-aminobenzothiazole sodium cinnamate 6wt%, sodium benzoate 69wt%, methyl benzotriazazole
12wt%, ammonium benzoate 3wt%, methenamine 3wt%, aminotriazole 4wt% and Laur hydrazine 3wt%, wherein the weight of each component
The sum of amount is 100%.
Preparation method is：(1) by 6- methylols-aminobenzothiazole sodium cinnamate, methyl benzotriazazole, aminotriazole and
Laur hydrazine is uniformly mixed；(2) sodium benzoate, ammonium benzoate and methenamine are uniformly mixed；(3) by the step (1) and
Mixture obtained by the step (2) is uniformly mixed, and obtains the compound vapour phase inhibitor.
Embodiment 3
The present embodiment provides a kind of compound vapour phase inhibitors, and in terms of the weight of compound vapour phase inhibitor, which includes
Following component：6- methylols-aminobenzothiazole sodium cinnamate 9wt%, sodium benzoate 61wt%, methyl benzotriazazole
9wt%, ammonium benzoate 5wt%, methenamine 5wt%, aminotriazole 7wt% and Laur hydrazine 4wt%, wherein the weight of each component
The sum of amount is 100%.
Preparation method is：(1) by 6- methylols-aminobenzothiazole sodium cinnamate, methyl benzotriazazole, aminotriazole and
Laur hydrazine is uniformly mixed；(2) sodium benzoate, ammonium benzoate and methenamine are uniformly mixed；(3) by the step (1) and
Mixture obtained by the step (2) is uniformly mixed, and obtains the compound vapour phase inhibitor.
Comparative example 1
This comparative example is distinguished as with embodiment 1 without containing Laur hydrazine, while increasing 6- methylols-aminobenzothiazole
The content of sodium cinnamate so that the content of 6- methylols-aminobenzothiazole sodium cinnamate is equal in embodiment 1 in comparative example 1
The sum of the content of 6- methylols-aminobenzothiazole sodium cinnamate and Laur hydrazine；Other each components and dosage and preparation method
It is same as Example 1.
Comparative example 2
This comparative example is distinguished as with embodiment 1 without containing aminotriazole, while increasing the content of methyl benzotriazazole, is made
The content for obtaining methyl benzotriazazole in comparative example 2 is equal to the sum of the content of methyl benzotriazazole and aminotriazole in embodiment 1；
Other each components and dosage and preparation method are same as Example 1.
Comparative example 3
This comparative example is distinguished as with embodiment 1 without containing methenamine, while increasing the content of ammonium benzoate so that right
The content of ammonium benzoate is equal to the sum of the content of ammonium benzoate and methenamine in embodiment 1 in ratio 3；Other each components and use
Amount and preparation method are same as Example 1.
Test case
Embodiment 1-3 and comparative example the 1-3 compound vapour phase inhibitor prepared are dissolved in ethyl alcohol respectively first, are configured to matter
Then the vapour phase inhibitor ethanol solution for measuring a concentration of 25% takes suitable vapour phase inhibitor ethanol solution to be spread evenly across antirust
It on body paper, weighs after drying, controls the quantification of 9g/m of the vapour phase inhibitor of the volatile rust preventive paper of coating2, with the gas phase of preparation
Anti-tarnish paper carries out vapor phase corrosion inhibitor ability test, damp heat test, contact corrosion experiment and the phase after vapor phase corrosion inhibitor ability test, consumption
Compatibility test.Wherein, vapor phase corrosion inhibitor ability test and the vapor phase corrosion inhibitor ability test after consumption are with reference to GB/T16267-2008《Packet
Package material test method vapor phase corrosion inhibitor ability》It is tested, damp heat test is with reference to QB/T1319《Volatile rust preventive paper》Standard carries out
Test, contact corrosion experiment is with reference to GB/T16266-2008《Packaging material test method contact corrosion》It is tested, compatibility
Experiment is with reference to GB/T16265-2008《Packaging material test method compatibility》It is tested.Wherein, the anti-rust base paper is outer
The anti-rust base paper of the sealed polyethylene plastic of one layer of 0.1mm thickness of surface recombination, specific test result are shown in Table 1.
Table 1
By test result it is found that embodiment 1-3 has good vapor phase corrosion inhibitor ability, have to steel and brass good
Rustless property and contactless corrosion have good compatibility with copper.
By test result it is found that comparative example 1 and comparative example 2 to the synthesis antirust ability of steel slightly poorer to embodiment, and it is right
Every testing result of copper is unqualified, illustrates that comparative example 1 and comparative example 2 are bad to the rust-proof effect of copper, and with the adaptation of copper
Property is also bad；Comparative example 3 to the synthesis antirust ability of copper slightly poorer to embodiment, and it is unqualified to every testing result of steel, say
The rust-proof effect of 3 pairs of steel of bright comparison is bad.
To sum up, embodiment 1-3 all has good rustless property to Summoning and non-ferrous metal, and comparative example 1 and comparison
Example 2 has certain rust-proof effect to Summoning, and poor to the rust-proof effect of non-ferrous metal, comparative example 3 has non-ferrous metal
Certain rust-proof effect, it is poor to the rust-proof effect of Summoning.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.
Claims (6)
1. a kind of compound vapour phase inhibitor, which is characterized in that in terms of the weight of compound vapour phase inhibitor, which includes as follows
Component：6- methylols-aminobenzothiazole sodium cinnamate 2-12wt%, sodium benzoate 50-80wt%, methyl benzotriazazole 5-
16wt%, ammonium benzoate 2-8wt%, methenamine 2-8wt%, aminotriazole 2-10wt% and Laur hydrazine 2-5wt%, wherein
The sum of weight of each component is 100%.
2. compound vapour phase inhibitor according to claim 1, wherein in terms of the weight of compound vapour phase inhibitor, the inhibition
Agent includes following component：6- methylols-aminobenzothiazole sodium cinnamate 5-10wt%, sodium benzoate 60-70wt%, methylbenzene
And triazole 8-13wt%, ammonium benzoate 2-6wt%, methenamine 2-6wt%, aminotriazole 3-8wt% and Laur hydrazine 2-
5wt%, wherein the sum of weight of each component is 100%.
3. a kind of preparation method of compound vapour phase inhibitor according to claim 1 or 2, which is characterized in that the preparation side
Method includes the following steps：
(1) 6- methylols-aminobenzothiazole sodium cinnamate, methyl benzotriazazole, aminotriazole and Laur hydrazine are mixed equal
It is even；
(2) sodium benzoate, ammonium benzoate and methenamine are uniformly mixed；
(3) mixture obtained by the step (1) and the step (2) is uniformly mixed, obtains the compound vapour phase inhibitor.
4. compound vapour phase inhibitor according to claim 1 or 2 is as the application for preparing volatile rust prevention product.
5. application according to claim 4, wherein the volatile rust prevention product is Gas-phase antirust bar.
6. application according to claim 4, wherein the volatile rust prevention product include volatile rust preventive paper, gas phase anti-tarnishing film,
Volatile rust prevention liquid, volatile rust prevention powder and gas phase Rustproof rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810208028.2A CN108385111B (en) | 2018-03-14 | 2018-03-14 | Composite vapor phase corrosion inhibitor and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810208028.2A CN108385111B (en) | 2018-03-14 | 2018-03-14 | Composite vapor phase corrosion inhibitor and preparation method and application thereof |
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| CN108385111B CN108385111B (en) | 2020-10-09 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868477A (en) * | 2019-03-08 | 2019-06-11 | 中国石油化工股份有限公司 | A kind of vapour phase inhibitor and preparation method thereof |
| CN110128864A (en) * | 2019-05-10 | 2019-08-16 | 武汉疏能新材料有限公司 | A kind of efficient permanent seal cooling vapor phase inhibitor and preparation method thereof |
| CN110644009A (en) * | 2019-10-30 | 2020-01-03 | 欣格瑞（山东）环境科技有限公司 | EDTA cleaning corrosion inhibitor |
| CN110835761A (en) * | 2019-11-11 | 2020-02-25 | 沈阳防锈包装材料有限责任公司 | Universal corrosion inhibitor for metal multi-plate and preparation method thereof |
| CN112681007A (en) * | 2020-12-21 | 2021-04-20 | 青岛鑫盈鑫包装材料有限公司 | Special gas-phase environment-friendly antirust paper for nodular cast iron and preparation method thereof |
| CN113584489A (en) * | 2021-08-06 | 2021-11-02 | 北京化工大学 | Application of phthalic anhydride in metal gas phase corrosion inhibition |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868477A (en) * | 2019-03-08 | 2019-06-11 | 中国石油化工股份有限公司 | A kind of vapour phase inhibitor and preparation method thereof |
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| CN110128864A (en) * | 2019-05-10 | 2019-08-16 | 武汉疏能新材料有限公司 | A kind of efficient permanent seal cooling vapor phase inhibitor and preparation method thereof |
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| CN110835761A (en) * | 2019-11-11 | 2020-02-25 | 沈阳防锈包装材料有限责任公司 | Universal corrosion inhibitor for metal multi-plate and preparation method thereof |
| CN112681007A (en) * | 2020-12-21 | 2021-04-20 | 青岛鑫盈鑫包装材料有限公司 | Special gas-phase environment-friendly antirust paper for nodular cast iron and preparation method thereof |
| CN113584489A (en) * | 2021-08-06 | 2021-11-02 | 北京化工大学 | Application of phthalic anhydride in metal gas phase corrosion inhibition |
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| Publication number | Publication date |
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| CN108385111B (en) | 2020-10-09 |
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