CN106637226A - Hydrotalcite-like modified vapor phase anti-rust fiberboard and preparation method thereof - Google Patents
Hydrotalcite-like modified vapor phase anti-rust fiberboard and preparation method thereof Download PDFInfo
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- CN106637226A CN106637226A CN201710011566.8A CN201710011566A CN106637226A CN 106637226 A CN106637226 A CN 106637226A CN 201710011566 A CN201710011566 A CN 201710011566A CN 106637226 A CN106637226 A CN 106637226A
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- houghite
- fiberboard
- rust prevention
- volatile rust
- aqueous dispersions
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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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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Paper (AREA)
Abstract
The invention relates to a hydrotalcite-like modified vapor phase anti-rust fiberboard and a preparation method thereof. The preparation method comprises the following steps: adding a compound vapor phase inhibitor into hydrotalcite-like aqueous dispersion with mass concentration of 0.5mg/mL by virtue of disodium sebacate, benzotriazole and phytic acid ammonia in a mass ratio of (1.0-2.8):(1.5-3.0):(1.2-2.6), stirring for 24 hours, regulating the pH value to be about 8.0-9.0 with ammonia water, and preparing vapor phase inhibitor aqueous dispersion with the mass concentration of 5-70%; and coating the vapor phase inhibitor aqueous dispersion on the two surfaces of a paper fiberboard by adopting a coating machine, and drying in the air, so that a vapor phase anti-rust fiberboard with load amount being about 10-80g/m<2> is obtained. The hydrotalcite-like modified vapor phase anti-rust fiberboard provided by the invention has the advantages that the size and thickness can be designed, the fiberboard can be conveniently removed after being used, and the compound vapor phase inhibitor does not contain harmful components such as nitrite and is convenient and efficient to use, environment-friendly and safe.
Description
Technical field：
The present invention relates to a kind of modified volatile rust preventive material of houghite and packing articles field, in particular to a species water
Talc modified volatile rust prevention fiberboard and preparation method thereof.
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 and changed based on houghite
The report of the volatile rust prevention papery fiberboard packaging material of property composite 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 modified volatile rust prevention fiber of houghite
Plate and preparation method thereof.
For achieving the above object, the modified volatile rust prevention fiberboard of a kind of houghite that the present invention is provided, it is characterised in that
It includes paper fiber basalis and gas phase antirust coat, and wherein volatile rust prevention layer is applied by coating machine, by compound gas phase
Corrosion inhibiter aqueous dispersions adsorb in paper fiber plate surface, without the need for adding any adhesive；The modified gas phase of the houghite is prevented
The preparation method of rust fiberboard, it is characterised in that including step in detail below：Compound vapour phase inhibitor is dissolved in into houghite water
In dispersion liquid, it is 8.0-9.0 or so to adjust pH value with ammoniacal liquor, is configured to certain density compound vapour phase inhibitor aqueous dispersions；
The compound vapour phase inhibitor aqueous solution is coated in using coating machine for two surfaces of paper fiber, air drying obtains class
Hydrotalcite-modified 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, a kind of preparation method of the modified volatile rust prevention fiberboard of houghite, it is characterised in that the compound gas
It is 1.0～2.8 by compound corrosion inhibiter decanedioic acid sodium, BTA, phytic acid ammonia that phase corrosion inhibitor aqueous dispersions are in mass ratio：
1.5～3.0：1.2～2.6 ratio, in being added to the houghite aqueous dispersions that mass concentration is 0.5mg/mL, stirs 24h
It is 8.0-9.0 or so to adjust pH value with ammoniacal liquor afterwards, and the mass concentration for making prepared vapour phase inhibitor aqueous dispersions is 5%-
70%.
Preferably, the houghite is magnalium type houghite；Described houghite aqueous dispersions are by ultrasound system
For what is obtained；After the compound vapour phase inhibitor is added in houghite aqueous dispersions, vapour phase inhibitor can be with houghite
Generation intercalation and absorption etc. interact, and are equably supported on acrylic/hydrotalcite-like nano particle, increase its specific surface area, improve gas
Phase corrosion inhibiting ability, extends the vapor phase corrosion inhibitor time.
Beneficial effects of the present invention are embodied in：There is provided a kind of houghite modified volatile rust prevention fiberboard, first using class
, there is intercalation and absorption interact in the special layer structure of hydrotalcite and intercalation characteristic, they are loaded with vapour phase inhibitor
In houghite surface and interlayer, increase the specific surface area of volatile rust prevention fibreboard surface volatile rust prevention layer, improve vapor phase corrosion inhibitor
Ability, extends the vapor phase corrosion inhibitor time.The vapour phase inhibitor aqueous dispersions for being used are first that compound corrosion inhibiter is full and uniform compound
In houghite surface and interlayer, it is coated after can increase the specific surface area of volatile rust prevention fibreboard surface volatile rust prevention layer, and
Using high-hydroscopicity paper fiber can improve compounding vapour phase inhibitor load capacity；Volatile rust prevention fiberboard can be as requested
Designed size and thickness, are easy to remove after use, and in compounding vapour phase inhibitor the harmful constituents such as nitrite are not contained, and use
Come 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 the modified volatile rust prevention fiberboard of houghite in following embodiments is adopted includes walking in detail below
Suddenly：
Embodiment 1：
In mass ratio it is 1.0 by compound corrosion inhibiter decanedioic acid sodium, BTA, phytic acid ammonia：1.8：2.0 ratio, plus
Enter to mass concentration in the houghite aqueous dispersions of 0.5mg/mL, it is 8.0-9.0 to adjust pH value with ammoniacal liquor after stirring 24h
Left and right, the mass concentration for making vapour phase inhibitor aqueous dispersions is 25%, is coated in the vapour phase inhibitor aqueous solution using coating machine
Thickness is two surfaces of the paper fiber of 6mm, and air drying obtains load capacity and is about 20g/m2Volatile rust prevention fiber
Plate a.
Embodiment 2：
In mass ratio it is 1.5 by compound corrosion inhibiter decanedioic acid sodium, BTA, phytic acid ammonia：2.0：1.5 ratio, plus
Enter to mass concentration in the houghite aqueous dispersions of 0.5mg/mL, it is 8.0-9.0 to adjust pH value with ammoniacal liquor after stirring 24h
Left and right, the mass concentration for making vapour phase inhibitor aqueous dispersions is 35%, is coated in the vapour phase inhibitor aqueous solution using coating machine
Thickness is two surfaces of the paper fiber of 6mm, and air drying obtains load capacity and is about 30g/m2Volatile rust prevention fiber
Plate b.
Embodiment 3：
In mass ratio it is 1.8 by compound corrosion inhibiter decanedioic acid sodium, BTA, phytic acid ammonia：2.4：1.5 ratio, plus
Enter to mass concentration in the houghite aqueous dispersions of 0.5mg/mL, it is 8.0-9.0 to adjust pH value with ammoniacal liquor after stirring 24h
Left and right, the mass concentration for making vapour phase inhibitor aqueous dispersions is 45%, is coated in the vapour phase inhibitor aqueous solution using coating machine
Thickness is two surfaces of the paper fiber of 6mm, and air drying obtains load capacity and is about 40g/m2Volatile rust prevention fiber
Plate c.
Embodiment 4：
In mass ratio it is 2.5 by compound corrosion inhibiter decanedioic acid sodium, BTA, phytic acid ammonia：2.2：1.4 ratio, plus
Enter to mass concentration in the houghite aqueous dispersions of 0.5mg/mL, it is 8.0-9.0 to adjust pH value with ammoniacal liquor after stirring 24h
Left and right, the mass concentration for making vapour phase inhibitor aqueous dispersions is 55%, is coated in the vapour phase inhibitor aqueous solution using coating machine
Thickness is two surfaces of the paper fiber of 6mm, and air drying obtains load capacity and is about 50g/m2Volatile rust prevention fiber
Plate d.
Comparative example 1：
In mass ratio it is 1.8 by compound corrosion inhibiter decanedioic acid sodium, BTA, phytic acid ammonia：2.4：1.5 ratio, plus
Enter in deionized water, it is 8.0-9.0 or so to adjust pH value with ammoniacal liquor, is stirred, vapour phase inhibitor aqueous dispersions
Mass concentration is 45%, adopts coating machine that the vapour phase inhibitor aqueous solution is coated in into thickness for two of paper fiber of 6mm
Surface, air drying obtains load capacity and is about 30g/m2Volatile rust prevention fiberboard b1.
Comparative example 2：
In mass ratio it is 1.8 by compound corrosion inhibiter decanedioic acid sodium, BTA, phytic acid ammonia：2.4：1.5 ratio, plus
Enter in deionized water, state add in dispersion liquid houghite then up, the mass concentration for making houghite is 0.5mg/mL,
It is 8.0-9.0 or so to adjust pH value with ammoniacal liquor, is stirred, and the mass concentration of vapour phase inhibitor aqueous dispersions is 55%,
Adopt coating machine by the vapour phase inhibitor aqueous solution be coated in thickness for 6mm paper fiber two surfaces, air drying,
Obtain load capacity and be about 30g/m2Volatile rust prevention fiberboard b2.
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 1-2
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 1-2 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 1-2 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.
Table 1 is volatile rust prevention result of the test
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 1-2
The volatile rust prevention fiberboard of gained, the wherein best results of embodiment 2 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 1-2, the functional group that shows to aoxidize houghite and
Vapour phase inhibitor is evenly dispersed in nanometer sheet surface by big specific surface area, increases its volatility, improves vapor phase corrosion inhibitor
Energy.Volatile rust prevention fiberboard price of the present invention only has 1/2nd or 1/3rd of same kind of products at abroad, and nontoxic pair
Effect, it is free from environmental pollution, meet national environmental standard requirement, imported product can be replaced completely.Think their gas phase
Inhibition mechanism may be：The corrosion inhibiter of volatile rust prevention fibreboard surface evaporate into metal surface, wherein decanedioic acid sodium, the nitrogen of benzo three
Azoles, phytic acid ammonia are attached to metal surface, and the N and O atom in inhibitor molecular contains lone pair electrons, can be empty with the d electronics of Fe
Track forms coordinate bond, there occurs chemisorbed, makes compound corrosion inhibitor form firm adsorbed film in metal surface, to suppress oxygen
The contact of gas and water to metal surface；Additionally, due to suction-operated of the fiberboard to corrosion inhibiter so that corrosion inhibiter is slowly released
Come, not only played good rust-proof effect but also its antirust time can be extended.
Take the volatile rust prevention fiberboard of equivalent embodiment 2 and 4, comparative example 1-2 preparation and by certain external vapor phase corrosion inhibitor liquid
The volatile rust prevention fiberboard of preparation is respectively placed in the saline solution of neutral 0.5mol/L of equivalent, and solution is determined after certain hour
The concentration of middle BTA, is as a result listed in table 2.Result from table is it can clearly be seen that the addition of houghite is to gas phase
Corrosion inhibiter has certain suction-operated, with not adding houghite to add the sample of houghite to compare with physical mixed method, originally
The described volatile rust prevention fiberboard of invention has obvious advantage in terms of gas-phase slow-release antirust, can play control release and sustained release
Effect.
Table 2 is vapor phase corrosion inhibitor result
Claims (4)
1. the modified volatile rust prevention fiberboard of a kind of houghite, it is characterised in that it includes that paper fiber basalis and gas phase are anti-
Rusty scale, wherein volatile rust prevention layer are applied by coating machine, and compound vapour phase inhibitor aqueous dispersions are adsorbed in paper fiber
Surface, without the need for adding any adhesive；The preparation method of the modified volatile rust prevention fiberboard of described houghite, it is characterised in that
Including step in detail below：Compound vapour phase inhibitor is dissolved in houghite aqueous dispersions, it is 8.0- to adjust pH value with ammoniacal liquor
9.0 or so, it is configured to certain density compound vapour phase inhibitor aqueous dispersions；It is using coating machine that compound vapour phase inhibitor is water-soluble
Liquid is coated in two surfaces of paper fiber, and air drying obtains the modified volatile rust prevention fiberboard of houghite.
2. the modified volatile rust prevention fiberboard of a kind of houghite according to claim 1, it is characterised in that the papery is fine
Dimension plate is the degradation material that thickness is about 3-15mm；Load capacity of the volatile rust prevention layer on paper fiber is about 10-
80g/m2。
3. the preparation method of the modified volatile rust prevention fiberboard of a kind of houghite according to claim 1, it is characterised in that
The compound vapour phase inhibitor aqueous dispersions are to be in mass ratio by compound corrosion inhibiter decanedioic acid sodium, BTA, phytic acid ammonia
1.0～2.8：1.5～3.0：1.2～2.6 ratio, is added to the houghite aqueous dispersions that mass concentration is 0.5mg/mL
In, it is 8.0-9.0 or so to adjust pH value with ammoniacal liquor after stirring 24h, makes the quality of prepared vapour phase inhibitor aqueous dispersions dense
Spend for 5%-70%.
4. the preparation method of the modified volatile rust prevention fiberboard of a kind of houghite according to claim 3, it is characterised in that
The houghite is magnalium type houghite；Described houghite aqueous dispersions are as obtained by prepared by ultrasound；The compound
After vapour phase inhibitor is added in houghite aqueous dispersions, vapour phase inhibitor can occur the phase such as intercalation and absorption with houghite
Interaction, is equably supported on acrylic/hydrotalcite-like nano piece, increases its specific surface area, improves vapor phase corrosion inhibitor ability, extends gas phase
The inhibition time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011566.8A CN106637226A (en) | 2017-01-07 | 2017-01-07 | Hydrotalcite-like modified vapor phase anti-rust fiberboard and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011566.8A CN106637226A (en) | 2017-01-07 | 2017-01-07 | Hydrotalcite-like modified vapor phase anti-rust fiberboard and preparation method thereof |
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| CN106637226A true CN106637226A (en) | 2017-05-10 |
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|---|---|---|---|
| CN201710011566.8A Pending CN106637226A (en) | 2017-01-07 | 2017-01-07 | Hydrotalcite-like modified vapor phase anti-rust fiberboard and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107963824A (en) * | 2017-11-29 | 2018-04-27 | 中国科学院海洋研究所 | A kind of triazole corrosion inhibitor compound of base containing pyrazoline of hydrotalcite intercalation chlorion probe modification and its application |
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| CN2554113Y (en) * | 2002-05-24 | 2003-06-04 | 金荣范 | Compound packing plate for packing metal material |
| CN103088717A (en) * | 2012-10-15 | 2013-05-08 | 布兰诺工业包装材料(上海)有限公司 | Laminated gas-phase rustproof packaging material and manufacturing method thereof |
| CN103210120A (en) * | 2010-10-13 | 2013-07-17 | 国民油井华高有限公司 | Releasable corrosion inhibitors |
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2017
- 2017-01-07 CN CN201710011566.8A patent/CN106637226A/en active Pending
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| CN2554113Y (en) * | 2002-05-24 | 2003-06-04 | 金荣范 | Compound packing plate for packing metal material |
| CN103210120A (en) * | 2010-10-13 | 2013-07-17 | 国民油井华高有限公司 | Releasable corrosion inhibitors |
| CN103088717A (en) * | 2012-10-15 | 2013-05-08 | 布兰诺工业包装材料(上海)有限公司 | Laminated gas-phase rustproof packaging material and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107963824A (en) * | 2017-11-29 | 2018-04-27 | 中国科学院海洋研究所 | A kind of triazole corrosion inhibitor compound of base containing pyrazoline of hydrotalcite intercalation chlorion probe modification and its application |
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Application publication date: 20170510 |