CN106637225A - Vapor-phase antirust fiberboard and method for preparing same - Google Patents
Vapor-phase antirust fiberboard and method for preparing same Download PDFInfo
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- CN106637225A CN106637225A CN201710011555.XA CN201710011555A CN106637225A CN 106637225 A CN106637225 A CN 106637225A CN 201710011555 A CN201710011555 A CN 201710011555A CN 106637225 A CN106637225 A CN 106637225A
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- fiberboard
- rust prevention
- volatile rust
- vapor
- vapour phase
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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)
- Laminated Bodies (AREA)
Abstract
The invention discloses a vapor-phase antirust fiberboard and a method for preparing the same. The method includes sufficiently uniformly mixing benzotriazole-based diethanolamine borate, sodium benzoate, urotropine, waste molasses and heavy calcium carbonate with one another according to a mass ratio of 1-1.5:1.1-1.3:1.3-1.7:2.8-3.8:0.9-1.3 to obtain first mixtures, dispersing the first mixtures in deionized water to obtain second mixtures, regulating a pH (potential of hydrogen) value of the second mixtures by the aid of ammonia water until the pH value is approximately 8.0-9.0 and preparing volatile corrosion inhibitor aqueous dispersion liquid with the mass concentration of 5%-70% from the second mixtures; coating the volatile corrosion inhibitor aqueous dispersion liquid which is volatile corrosion inhibitor aqueous solution on two surfaces of a paper fiberboard by the aid of a coating machine and drying the paper fiberboard in air to obtain the vapor-phase antirust fiberboard with the loading capacity of 10-80 g/m<2> approximately. The benzotriazole-based diethanolamine borate is a compound corrosion inhibitor. The vapor-phase antirust fiberboard and the method have the advantages that the size and the thickness of the vapor-phase antirust fiberboard can be designed, the vapor-phase antirust fiberboard is easy to be removed after use, the compound volatile corrosion inhibitor does not contain the harmful components such as nitrite, and the vapor-phase antirust fiberboard can be conveniently and efficiently used and is environmentally friendly and safe.
Description
Technical field：
The present invention relates to a kind of volatile rust preventive material and packing articles field, in particular to a kind of volatile rust prevention fiberboard and
Its preparation method.
Background technology：
In the today in modern industrialization epoch, metal and its product are seen everywhere.But due to the oxygen being widely present in air
The salt contained in gas and water steam, sour gas and vapor, it is easy to which atmospheric corrosion occurs, generates in metal surface and aoxidizes
Thing and hydroxide mixture, so as to damaging their performance and reducing its life-span, can cause a serious accident when serious or cause
Equipment scrapping.Especially metal and its product are at sea transported during the overland transport moist with hyperpyrexia, are more prone to meet with corruption
Lose and corrosion occurs.According to statistics, the economic loss that the whole world is caused every year because of corrosion accounts for 3% or so of GDP then, about 1/3
Steel because corrosion cause loss.Therefore, various metal erosion means of defences cause the concern of people.Conventional at present smears anti-
Rust grease is owned by France in contact antirust, and not only technique is loaded down with trivial details, take bothersome, effect on driving birds is not good, and also needs to be carried out before unpacking
Cleaning by degreasing operation, easily causes the secondary pollution of environment, and turning, the gap portion for not reaching antirust oil for those
Position, then can not form effective corrosion protection, and this method increasingly can not be received by people.Using vacuum-packing method then into
This is higher, and the extremely difficult reality for large-scale workpiece.Although drier antirust cost is relatively low, easy to use, effectively
Time is shorter and affected by environment larger, effect it is difficult to ensure that.
Vapour phase inhibitor (abbreviation of VCI, Volatile Corrosion Inhibitor) is the special synthesis techniques of Jing, answers
With a kind of corrosion inhibitor being prepared from.It individually or can depend on suitable carrier, at normal temperatures and pressures direct gasification.
Cause in any spatial gaps in operation unit, can all fill and contain by itself adjustable persistently volatilization in sealed environment
There are the mixed gas of the VCI antirust factors, this gas can adsorb thereon when meeting with metal surface, form only one of which or several points
Sub thick fine and close protection film layer.The protection film layer can effectively completely cut off moisture, oxygen and other hazardous atmospheres and metal surface is connect
Tactile property corrosion, suppresses the electrochemical reaction of metal erosion, so as to reach optimal anti-corrosion effect.With traditional rust-proofing method phase
Than VCI materials have many unrivaled advantages.Such as after the completion of metal material is packed or sprayed, vapor phase corrosion inhibitor agent molecule
Just diverging is started, vapor phase corrosion inhibitor agent molecule may penetrate into the corner space that traditional antirust oil cannot be covered, and antirust is without dead angle；Gas phase
Inhibition molecule active ingredient retention time is long, and can extend protective period limit；There are moisture or outside air very moist in metal surface
Under conditions of, corrosion inhibiter also can form protecting film and prevent rust corrosion in metal surface.The volatile rust prevention product master for commonly using at present
There are volatile rust preventive oil, volatile rust prevention powder, volatile rust preventive paper and gas-phase antirusting film.Volatile rust preventive oil is added by base oil and auxiliary
Plus agent composition, when using need smear, remove overcoat when it is time-consuming, take a lot of work, it is both unhygienic or dangerous.Volatile rust prevention powder is then needed
Pack and use, antirusting powder is scattered and causes damage after bag breakage.Volatile rust preventive paper toughness is bad, easy breakage, and
The easy moisture absorption in surface, oil suction, cause to pack effect decline, affect antirust function.Although gas-phase antirusting film have it is transparent, flexible,
Can machine-shaping, the features such as barrier is high, but containing the strong carcinogen nitrous acid for disabling in the world in vapour phase inhibitor component
Vapour phase inhibitor is added directly into into blown film in resin, vapour phase inhibitor in salt, and technique disclosed in CN01127534.0
Grain skewness, gained membrane product occurs rough surface and the white phenomenon of analysis；And will be coated with after corrosion inhibiter and bonding agent mixing
Method on plastic sheeting, then energy consumption is big and complex procedures, can not clean manufacturing, easily affects to prevent because mixing uneven
Rust effect.
It can thus be seen that developing a kind of all with excellent rust-proof effect and friendly with environment to various many metals
Good, volatile rust preventive material easy to operate, to solving the problems, such as that the corrosion of metal for being related to national economy seems particularly urgent.Papery is fine
Dimension plate is that a kind of wide material sources, degradable inexpensive carrier material, and this material do not allow cracky, and size and dimension can be with
Arbitrarily adjustment, with very high water absorbing properties, has higher load capacity to volatile rust prevention liquid, it is ensured that prolonged gas phase
Rust-proof effect.Yet there are no based on the gas-phase rustproof packaging material of paper fiber, especially yet there are no based on sucrose byproduct
The report of the volatile rust prevention papery fiberboard packaging material of blackstrap compound corrosion inhibitor and preparation method thereof.
The content of the invention：
It is an object of the invention to solve deficiency of the prior art, there is provided a kind of volatile rust prevention fiberboard and its preparation side
Method.
For achieving the above object, a kind of volatile rust prevention fiberboard that the present invention is provided, it is characterised in that it includes that papery is fine
Dimension plate basalis and gas phase antirust coat, wherein volatile rust prevention layer are applied by coating machine, and compound vapour phase inhibitor moisture is dissipated
Liquid adsorbs in paper fiber plate surface, without the need for adding any adhesive；The preparation method of described volatile rust prevention fiberboard, it is special
Levy is to include step in detail below：Compound vapour phase inhibitor is dissolved in deionized water, it is 8.0- to adjust pH value with ammoniacal liquor
9.0 or so, it is configured to certain density vapour phase inhibitor aqueous dispersions；The vapour phase inhibitor aqueous solution is coated in using coating machine
Two surfaces of paper fiber, air drying obtains volatile rust prevention fiberboard.
Preferably, the paper fiber is the degradation material that thickness is about 3-15mm；Volatile rust prevention layer is fine in papery
Load capacity on dimension plate is about 10-80g/m2。
Preferably, the preparation method of described a kind of volatile rust prevention fiberboard, it is characterised in that vapour phase inhibitor moisture dissipates
The mass concentration of liquid is 5%-70%；The compound vapour phase inhibitor is by BTA base diethanol amine borate, benzoic acid
Sodium, methenamine, blackstrap, powdered whiting are 1～1.5 in mass ratio：1.1～1.3：1.3～1.7：2.8～3.8：0.6
～1.1 ratio is mixed；
Preferably, the blackstrap be after sugarcane or beet production sucrose cannot inspissation crystallization again mother liquor, full sugar contains
Amount about 40%；The particle diameter of the powdered whiting is less than 200nm；BTA base diethyl in the compound vapour phase inhibitor
Hydramine borate, Sodium Benzoate, methenamine and blackstrap act primarily as the effect of volatile rust prevention, and powdered whiting can as auxiliary material
So that above-mentioned four kinds of corrosion inhibiter are equably supported on into its surface, increase its specific surface area, improve vapor phase corrosion inhibitor performance.
The beneficial effects are mainly as follows：A kind of volatile rust prevention fiberboard is provided, first by BTA base
Diethanol amine borate and blackstrap are used to prepare the compounding vapour phase inhibitor of volatile rust prevention fiberboard, and they all have amphipathic
Rust-proof effect can be played again, synergistic effects are produced between other corrosion inhibiter components, strengthen rustless property.The gas phase for being used is delayed
Erosion agent aqueous dispersions are first to be sufficiently mixed compound corrosion inhibiter uniformly, are subsequently adding deionized water and are sufficiently stirred for, and make solubility
Vapour phase inhibitor is evenly distributed on the little molecule surface of solubility, it is coated after can increase volatile rust prevention fibreboard surface gas
The specific surface area of phase antirust coat, and the high-hydroscopicity paper fiber for adopting can improve compounding vapour phase inhibitor load capacity；Gas phase
Antirust fiberboard can designed size and thickness as requested, be easy to remove after use, do not contain Asia in compounding vapour phase inhibitor
The harmful constituents such as nitrate, use easier, efficient, environmentally friendly and safe.
Specific embodiment：
To further understand the present invention, with reference to embodiment, the invention will be further described, but not with any side
Formula limits the present invention.
The preparation method that volatile rust prevention fiberboard in following embodiments is adopted includes step in detail below：
Embodiment 1：
By compound corrosion inhibiter BTA base diethanol amine borate, Sodium Benzoate, methenamine, blackstrap, heavy
Calcium carbonate is 1.3 in mass ratio：1.1：1.5：3.0：1.0 ratio is sufficiently mixed uniformly, in being scattered in deionized water, uses
It is 8.0-9.0 or so that ammoniacal liquor adjusts pH value, is configured to the vapour phase inhibitor aqueous dispersions that mass concentration is 20%；Using coating
The vapour phase inhibitor aqueous solution is coated in machine two surfaces of the paper fiber that thickness is 6mm, and air drying is loaded
Amount is about 20g/m2Volatile rust prevention fiberboard a.
Embodiment 2：
By compound corrosion inhibiter BTA base diethanol amine borate, Sodium Benzoate, methenamine, blackstrap, heavy
Calcium carbonate is 1.1 in mass ratio：1.2：1.4：3.3：0.9 ratio is sufficiently mixed uniformly, in being scattered in deionized water, uses
It is 8.0-9.0 or so that ammoniacal liquor adjusts pH value, is configured to the vapour phase inhibitor aqueous dispersions that mass concentration is 30%；Using coating
The vapour phase inhibitor aqueous solution is coated in machine two surfaces of the paper fiber that thickness is 9mm, and air drying is loaded
Amount is about 30g/m2Volatile rust prevention fiberboard b.
Embodiment 3：
By compound corrosion inhibiter BTA base diethanol amine borate, Sodium Benzoate, methenamine, blackstrap, heavy
Calcium carbonate is 1.0 in mass ratio：1.2：1.4：3.5：1.0 ratio is sufficiently mixed uniformly, in being scattered in deionized water, uses
It is 8.0-9.0 or so that ammoniacal liquor adjusts pH value, is configured to the vapour phase inhibitor aqueous dispersions that mass concentration is 40%；Using coating
The vapour phase inhibitor aqueous solution is coated in machine two surfaces of the paper fiber that thickness is 9mm, and air drying is loaded
Amount is about 40g/m2Volatile rust prevention fiberboard c.
Embodiment 4：
By compound corrosion inhibiter BTA base diethanol amine borate, Sodium Benzoate, methenamine, blackstrap, heavy
Calcium carbonate is 1.4 in mass ratio：1.3：1.6：3.7：1.0 ratio is sufficiently mixed uniformly, in being scattered in deionized water, uses
It is 8.0-9.0 or so that ammoniacal liquor adjusts pH value, is configured to the vapour phase inhibitor aqueous dispersions that mass concentration is 50%；Using coating
The vapour phase inhibitor aqueous solution is coated in machine two surfaces of the paper fiber that thickness is 12mm, and air drying is born
Carrying capacity is about 50g/m2Volatile rust prevention fiberboard d.
Comparative example 1：
In mass ratio it is 1.2 by compound corrosion inhibiter Sodium Benzoate, methenamine, blackstrap, powdered whiting：1.4：3.3：
0.9 ratio is sufficiently mixed uniformly, and in being scattered in deionized water, it is 8.0-9.0 or so to adjust pH value with ammoniacal liquor, is prepared
Into the vapour phase inhibitor aqueous dispersions that mass concentration is 30%；Adopt coating machine by the vapour phase inhibitor aqueous solution be coated in thickness for
Two surfaces of the paper fiber of 9mm, air drying obtains load capacity and is about 30g/m2Volatile rust prevention fiberboard b1.
Comparative example 2：
Compound corrosion inhibiter BTA base diethanol amine borate, Sodium Benzoate, methenamine, powdered whiting are pressed
Mass ratio is 1.1：1.2：1.4：0.9 ratio is sufficiently mixed uniformly, in being scattered in deionized water, with ammoniacal liquor pH value is adjusted
For 8.0-9.0 or so, the vapour phase inhibitor aqueous dispersions that mass concentration is 30% are configured to；Using coating machine by vapor phase corrosion inhibitor
The agent aqueous solution is coated in two surfaces of the paper fiber that thickness is 9mm, and air drying obtains load capacity and is about 30g/m2
Volatile rust prevention fiberboard b2.
Comparative example 3：
Compound corrosion inhibiter BTA base diethanol amine borate, Sodium Benzoate, methenamine, blackstrap are pressed into quality
Than for 1.1：1.2：1.4：3.3 ratio is sufficiently mixed uniformly, and in being scattered in deionized water, adjusting pH value with ammoniacal liquor is
8.0-9.0 or so, is configured to the vapour phase inhibitor aqueous dispersions that mass concentration is 30%；Using coating machine by vapour phase inhibitor
The aqueous solution is coated in two surfaces of the paper fiber that thickness is 9mm, and air drying obtains load capacity and is about 30g/m2's
Volatile rust prevention fiberboard b3.
The application effect test example of embodiment 5
The measure of corrosion inhibition rate, concrete grammar are carried out to volatile rust prevention fiberboard prepared by embodiment 1-4 and comparative example 1-3
For：The 45# carbon steel coupons of 30nm × 30nm × 3nm are polished smooth step by step with the sand paper of 180#～240#, deionized water cleaning
Totally, with drying after cotton ball soaked in alcohol degreasing.The volatile rust prevention fiberboard prepared with embodiment 1-4 and comparative example 1-3 will polish
Good 45# carbon steels test piece sandwiches, then the test piece right-angled intersection sandwiched with nylon rope binds, be positioned over temperature for (49 ±
1) DEG C, relative temperature is about in 95 climatic chamber.Its corrosion degree is observed after 40 days and oxidation rate and corrosion inhibition rate is calculated：
η=100 × (Δ m0- Δ m1)/Δm0, in formula η be corrosion inhibition rate (%), Δ m0For blank test medium carbon steel test piece
Mass loss (g), Δ m1To sandwich the mass loss (g) of volatile rust prevention fiberboard medium carbon steel test piece.The results are shown in Table 1.
Prepare to embodiment 1-4, the volatile rust prevention fiberboard of comparative example 1-3 preparation and by certain external vapor phase corrosion inhibitor liquid
Volatile rust prevention fiberboard carries out many metal vapor phase rust-proofing performance tests, and testing standard is with reference to GB/T 19532-2004, result of the test
It is shown in Table 1.
Selected from external volatile rust prevention liquid like product market price higher than compound vapour phase inhibitor two of the present invention in table 1
To three times.Comparative test result shows that volatile rust prevention fiberboard of the present invention is better than to the rust-proof effect of various metals
The selected volatile rust prevention fiberboard prepared by external volatile rust prevention liquid, and volatile rust prevention effect is far superior to comparative example 1-3
The volatile rust prevention fiberboard of gained, the wherein best results of embodiment 3 and 4, are the preferred embodiment of the present invention.And implement
The product gas phase rust-proof effect of example 1-4 is substantially better than the sample of comparative example 1-3, show triazol radical diethanol amine borate,
Blackstrap and powdered whiting have important effect in terms of volatile rust prevention.Volatile rust prevention fiberboard price of the present invention is only
Have 1/2nd or 1/3rd of same kind of products at abroad, and have no toxic side effect, it is free from environmental pollution, meeting national environmental standard will
Ask, imported product can be replaced completely.Thinking their vapor phase corrosion inhibitor mechanism may be：Volatile rust prevention fibreboard surface
Corrosion inhibiter evaporate into metal surface, wherein BTA base diethanol amine borate, Sodium Benzoate, methenamine and blackstrap
In active ingredient be attached to metal surface, the N and O atom in inhibitor molecular contains lone pair electrons, can be with the d electronics of Fe
Unoccupied orbital forms coordinate bond, there occurs chemisorbed；Along with the corrosion inhibition of inorganic salts in compound corrosion inhibitor, compounding inhibition is made
Agent forms firm adsorbed film in metal surface, to suppress the contact of oxygen and water to metal surface；Additionally, due to fiberboard pair
The suction-operated of corrosion inhibiter so that corrosion inhibiter is slowly released, had not only played good rust-proof effect but also can extend its antirust
Time.
Table 1 is volatile rust prevention result of the test.
Claims (4)
1. a kind of volatile rust prevention fiberboard, it is characterised in that it includes paper fiber basalis and gas phase antirust coat, wherein gas
Phase antirust coat is applied by coating machine, compound vapour phase inhibitor aqueous dispersions is adsorbed in paper fiber plate surface, without the need for adding
Plus any adhesive；The preparation method of described volatile rust prevention fiberboard, it is characterised in that including step in detail below：By compound
Vapour phase inhibitor is dissolved in deionized water, and it is 8.0-9.0 or so to adjust pH value with ammoniacal liquor, is configured to certain density gas phase and is delayed
Erosion agent aqueous dispersions；The vapour phase inhibitor aqueous solution is coated in using coating machine for two surfaces of paper fiber, is done in air
It is dry, obtain volatile rust prevention fiberboard.
2. a kind of volatile rust prevention fiberboard according to claim 1, it is characterised in that the paper fiber be thickness about
For the degradation material of 3-15mm；Load capacity of the volatile rust prevention layer on paper fiber is about 10-80g/m2。
3. a kind of preparation method of volatile rust prevention fiberboard according to claim 1, it is characterised in that vapour phase inhibitor water
The mass concentration of dispersion liquid is 5%-70%；The compound vapour phase inhibitor is by BTA base diethanol amine borate, benzene
Sodium formate, methenamine, blackstrap, powdered whiting are 1～1.5 in mass ratio：1.1～1.3：1.3～1.7：2.8～3.8：
0.9～1.3 ratio is mixed.
4. the preparation method of a kind of volatile rust prevention fiberboard according to claim 3, it is characterised in that the blackstrap is
After sugarcane or beet production sucrose cannot inspissation crystallization again mother liquor, full sugar content is about 40%；The powdered whiting
Particle diameter is less than 200nm；BTA base diethanol amine borate, Sodium Benzoate, Wu Luotuo in the compound vapour phase inhibitor
Product and blackstrap act primarily as the effect of volatile rust prevention, and powdered whiting can equably bear above-mentioned four kinds of corrosion inhibiter as auxiliary material
Its surface is loaded in, increases its specific surface area, improve vapor phase corrosion inhibitor performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011555.XA CN106637225A (en) | 2017-01-07 | 2017-01-07 | Vapor-phase antirust fiberboard and method for preparing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011555.XA CN106637225A (en) | 2017-01-07 | 2017-01-07 | Vapor-phase antirust fiberboard and method for preparing same |
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| Publication Number | Publication Date |
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| CN106637225A true CN106637225A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710011555.XA Pending CN106637225A (en) | 2017-01-07 | 2017-01-07 | Vapor-phase antirust fiberboard and method for preparing same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427093A (en) * | 2020-09-25 | 2022-05-03 | 中国石油化工股份有限公司 | Phosphorus-free prefilming agent composition, method for prefilming circulating water and application |
-
2017
- 2017-01-07 CN CN201710011555.XA patent/CN106637225A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427093A (en) * | 2020-09-25 | 2022-05-03 | 中国石油化工股份有限公司 | Phosphorus-free prefilming agent composition, method for prefilming circulating water and application |
| CN114427093B (en) * | 2020-09-25 | 2024-02-13 | 中国石油化工股份有限公司 | Phosphorus-free prefilming agent composition, circulating water prefilming treatment method and application |
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