CN107572858B - A kind of antirust for reinforced concrete and preparation method thereof - Google Patents
A kind of antirust for reinforced concrete and preparation method thereof Download PDFInfo
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- CN107572858B CN107572858B CN201710777678.4A CN201710777678A CN107572858B CN 107572858 B CN107572858 B CN 107572858B CN 201710777678 A CN201710777678 A CN 201710777678A CN 107572858 B CN107572858 B CN 107572858B
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Abstract
A kind of antirust for reinforced concrete provided by the invention and preparation method thereof, is made of following raw materials according in parts by weight：30~60 parts of modified oyster mushroom extracts, 1~4 part of calcium gluconate, 2~10 parts of neopelexes and 30~67 parts of water.Corrosion inhibitor to prepare has the performance environmentally protective, stability is good, and has good resistance rust effect under alkaline condition.
Description
Technical field
The present invention relates to corrosion inhibitor fields, specifically, being the corrosion inhibitor and preparation method thereof suitable for armored concrete.
Background technology
Since the twenties in 19th century, Portland cement came out, concrete material has more than 100 years usage history, due to
It is big with the rigidity of structure, is easy to construction, many advantages, such as low engineering cost, later period maintenance expense are lacked, and has become building work
Preferred material in journey structure design, 2015, which are only Chinese cement yield, just reaches 2,300,000,000 tons.In fact, being applied to from concrete
Between civil engineering so far more than 100 years, a large amount of reinforced concrete structure premature failure due to various, up to not
To scheduled Years Of Service.Caused by having plenty of the drag deficiency due to structure design among these, some is then due to the use of lotus
The undesirable change of load and caused by, but be more due to the durability of structure is insufficient and caused by caused by failure.Especially
Coastal and offshore area concrete structure, due to a large amount of Cl contained in marine environment-, concrete is caused to corrode, is caused
Steel bar corrosion and make structure that earlier period damage occur, lose the endurance quality of structure, what this had become in Practical Project important asks
Topic.
The method for solving steel bar corrosion has very much, such as coats barrier layer, addition using corrosion-resistant steel bar, in concrete surface
Corrosion inhibitor etc., wherein most economical is exactly effectively to add corrosion inhibitor, it has also become current most widely used one of anticorrosion technique.
Corrosion inhibitor on the market is mostly inorganic or anthropogenics at present, and there are the shortcomings of difficult to degrade, toxic, price is high.21
Since century, in face of the idea of sustainable development deeply and the environmental consciousness that gradually increases of people, the exploitation of corrosion inhibitor and answer
With also facing new challenges.Green Chemistry is based on not using poisonous and harmful substances, does not generate waste, does not handle waste, from source
Pollution is prevented on head, reduces or eliminate raw material, reaction reagent that those cause damages to ecological environment, anti-with chemical technology
Answer product, by-product and generate and use.Therefore, the theory based on Green Chemistry reduces the carrying capacity of environment of Related product, research
The nontoxic green corrosion inhibitor that exploitation does not constitute environment destruction becomes research hotspot.
Common green corrosion inhibitor has plant extracts, improved plant extract, amino acid, but these corrosion inhibitors or it is more or
There is following deficiency less：(1) significant effect in acid condition, resistance rust effect is not in this alkaline environment of armored concrete
It is good；(2) stability is poor, encounters high temperature and is easy to decompose；(3) raw material sources channel is narrow, higher price.These deficiencies lead to green resistance
Rust agent can not promote and apply in armored concrete.
Invention content
The main purpose of the present invention is to provide a kind of antirust for reinforced concrete and preparation method thereof, to solve existing skill
The deficiency of art, have it is environmentally protective, stability is good, and under alkaline condition have good resistance rust effect.
To achieve the above objectives, the technical solution adopted by the present invention is：A kind of antirust for reinforced concrete is in parts by weight
It is made of following raw materials according：30~60 parts of modified oyster mushroom extracts, 1~4 part of calcium gluconate, 2~10 parts of dodecyl benzene sulfonic acid
Sodium and 30~67 parts of water.
An embodiment according to the present invention, neopelex account for the ratio in the corrosion inhibitor and are not more than 10%.
An embodiment according to the present invention, the antirust for reinforced concrete are suitable for the alkaline condition that pH is 8~13.
A kind of preparation method of antirust for reinforced concrete comprising step：
(a) 1 kilogram of dehydration oyster mushroom is taken, 80~100 mesh is crushed to, the NaOH solution of 8L 0.1mol/L is added, impregnate 8~
12 hours；
(b) oyster mushroom after immersion is heated to 60-65 DEG C, is filtered while hot after being kept for 1 hour, obtains filter residue；
(c) filter residue is washed to neutrality, the NaOH solution of 10mol/L is added, be heated to 120-130 DEG C, kept for 2 hours,
It filters while hot, obtains filtrate, filtrate is cooled to room temperature, filter the white precipitate of generation；
(d) white precipitate is washed to neutrality, 1 liter of 8.82mol/LH2O2,100 milliliters of 0.1mol/L acetic acid is added,
50~60 DEG C are heated 1 hour, are increased temperature to 100 DEG C, are kept for 10 minutes, cooling oyster mushroom extracting solution；
(e) 0.1mol vanillic aldehydes are added into oyster mushroom extracting solution, 55~60 DEG C of temperature of control carries out reaction 1 hour, is down to
Room temperature is added 3mol absolute ethyl alcohols, is sufficiently stirred, and filters, is washed till neutral, 80 DEG C of drying, obtains modified oyster mushroom extract；And
(f) in proportion by the modification oyster mushroom extract of corrresponding quality part and calcium gluconate, neopelex, water
Mixing, stirs evenly, and the antirust for reinforced concrete is made.
The present invention compared with the existing technology, mainly has the following advantages and beneficial effect：
The antirust for reinforced concrete main component derives from oyster mushroom, and raw material supply is sufficient, and effect on environment is small, is one
The green corrosion inhibitor of kind；Modified oyster mushroom extract is a kind of mixture, in the case where pH value is 8~13 alkaline condition, in the mixture
The hetero atoms such as N, the S contained can be combined effectively with Fe, stable structure, form fine and close passivation layer；In summer high temperature weather, build
Build that external skin temperatures are higher, it is good by the way that the oyster mushroom extract thermal stability that vanillic aldehyde is modified is added, it is not likely to produce decomposition；Gluconic acid
Calcium can form complex with Fe, eliminate the local corrosion phenomena caused by passivation layer gage distortion, risen with modified oyster mushroom extract
To synergistic effect, resistance rust effect is improved；Neopelex makes alkyl be distributed in by the absorption of sulfonic acid group and Fe
Outside, hydrophobic function is generated, is avoided in the corrosion reaction that water participates in reinforcing bar.
Specific implementation mode
It is described below for disclosing the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
A kind of antirust for reinforced concrete is made of following raw materials according in parts by weight：30~60 parts of modified oyster mushroom extract, 1
~4 parts of calcium gluconates, 2~10 parts of neopelexes and 30~67 parts of water.Wherein, modification oyster mushroom extraction
Object is a kind of loose white solid mixture of appearance, water-soluble, has good stability in 100 DEG C of environment below,
Stable structure complex can be formed with iron in the concrete that pH value is 8~13, so that rebar surface is passivated, there is preferable resistance to become rusty
Effect.
Calcium gluconate is a kind of white crystalline powder, water-soluble, is able to as corrosion inhibitor, can be improved
Property the non-uniform problem of passivation layer that is formed in rebar surface of oyster mushroom extract, form synergistic effect with modified oyster mushroom extract,
To improve resistance rust effect.
Neopelex is a kind of white flaky solid, soluble easily in water, and performance is stablized under alkaline condition, is one
Plant common anionic surfactant, the sulfonate radical ratio Cl in molecule-It is easier to be adsorbed on iron surface, forms polar group
Including group, the structure of nonpolar alkyl outside has hydrophobicity, to hinder corrosive medium to enter.
Wherein, neopelex accounts for the ratio in the corrosion inhibitor no more than 10%.
Water plays the role of solvent in the present invention, since modified oyster mushroom extract appearance is loose, directly and gluconic acid
Calcium, neopelex mixing, easy to produce lamination up and down, several substances are dissolved in water, formula can be made uniform.
A kind of preparation method of antirust for reinforced concrete comprising step：
(a) 1 kilogram of dehydration oyster mushroom is taken, 80~100 mesh is crushed to, the NaOH solution of 8L 0.1mol/L is added, impregnate 8~
12 hours；
(b) oyster mushroom after immersion is heated to 60-65 DEG C, is filtered while hot after being kept for 1 hour, obtains filter residue；
(c) filter residue is washed to neutrality, the NaOH solution of 10mol/L is added, be heated to 120-130 DEG C, kept for 2 hours,
It filters while hot, obtains filtrate, filtrate is cooled to room temperature, filter the white precipitate of generation；
(d) white precipitate is washed to neutrality, 1 liter of 8.82mol/LH is added2O2, 100 milliliters of 0.1mol/L acetic acid,
50~60 DEG C are heated 1 hour, are increased temperature to 100 DEG C, are kept for 10 minutes, cooling oyster mushroom extracting solution；
(e) 0.1mol vanillic aldehydes are added into oyster mushroom extracting solution, 55~60 DEG C of temperature of control carries out reaction 1 hour, is down to
Room temperature is added 3mol absolute ethyl alcohols, is sufficiently stirred, and filters, is washed till neutral, 80 DEG C of drying, obtains modified oyster mushroom extract；And
(f) in proportion by the modification oyster mushroom extract of corrresponding quality part and calcium gluconate, neopelex, water
Mixing, stirs evenly, and the antirust for reinforced concrete is made.
The main component of the antirust for reinforced concrete derives from oyster mushroom, and raw material supply is sufficient, and effect on environment is small, is
A kind of green corrosion inhibitor.
The modification oyster mushroom extract of preparation is a kind of mixture, in the case where pH value is 8~13 alkaline condition, in the mixture
The hetero atoms such as N, the S contained can be combined effectively with Fe, stable structure, form fine and close passivation layer.
In summer high temperature weather, building external skin temperatures are higher, the oyster mushroom extract thermostabilization being modified by the way that vanillic aldehyde is added
Property is good, is not likely to produce decomposition.
The not instead of conventional surfactants that neopelex plays the role of, pass through the suction of sulfonic acid group and Fe
It is attached, so that alkyl is distributed in outer, generate hydrophobic function, avoids in the corrosion reaction that water participates in reinforcing bar.Simultaneously as modified oyster mushroom
Contain amino in extract, when neopelex accounts for corrosion inhibitor ratio greatly with 10%, when temperature 50 C~60 DEG C, amino
It can be reacted with neopelex, forming salt consumes modified oyster mushroom extract, weakens the anticorrosion performance of corrosion inhibitor.
To which neopelex, which accounts for corrosion inhibitor ratio, should be not more than 10%
Calcium gluconate used in the following embodiments of the present invention derives from Jinan Te Xing Chemical Co., Ltd.s.
It is limited that neopelex used in the following embodiments of the present invention from Jinan English goes out chemical science and technology
Company.
8.82mol/LH used in the following embodiments of the present invention2O2From Zhong Zhu Trade Co., Ltd.s of Zhengzhou City.
Vanillic aldehyde used in the following embodiments of the present invention composes biological Co., Ltd of shaking from Shanghai.
Embodiment 1
Various raw materials are weighed according to quality parts ratio described below
Modified 30 parts of oyster mushroom extract
1 part of calcium gluconate
2 parts of neopelex
67 parts of water
The preparation method of the antirust for reinforced concrete is as follows：
(1) it takes 1KG to be dehydrated oyster mushroom, is crushed to 80-100 mesh, the NaOH solution of 8L 0.1mol/L is added, it is small to impregnate 8-12
When；Oyster mushroom after immersion is heated to 60-65 DEG C, is kept for 1 hour；It filters while hot, obtains filter residue；
(2) filter residue that (1) step obtains is washed to neutrality, the NaOH solution of 10mol/L is added, is heated to 120-130
DEG C, it is kept for 2 hours, filters while hot, obtain filtrate；Filtrate is cooled to room temperature, there is white precipitate generation, is filtered；
(3) white precipitate being obtained by filtration in (2) step is washed to neutrality, 8.82mol/LH is added2O21L、0.1mol/
L acetic acid 100ml, 50-60 DEG C is heated 1 hour, is increased temperature to 100 DEG C, is kept for 10 minutes, cooling oyster mushroom extracting solution；
(4) 0.1mol vanillic aldehydes are added into the oyster mushroom extracting solution obtained by (3) step, 55-60 DEG C of control temperature carries out anti-
It answers 1 hour, is down to room temperature, 3mol absolute ethyl alcohols are added, are sufficiently stirred, filter, be washed till neutral, 80 DEG C of drying, obtain modified flat
Mushroom extract；
(5) the modification oyster mushroom extract for obtaining (4) step and calcium gluconate, neopelex, water by than
Example mixing can be obtained required corrosion inhibitor.
Embodiment 2
Various raw materials are weighed according to quality parts ratio described below
Modified 60 parts of oyster mushroom extract
4 parts of calcium gluconate
6 parts of neopelex
30 parts of water
The preparation method of the armored concrete corrosion inhibitor is as follows：
(1) it takes 1KG to be dehydrated oyster mushroom, is crushed to 80-100 mesh, the NaOH solution of 8L 0.1mol/L is added, it is small to impregnate 8-12
When；Oyster mushroom after immersion is heated to 60 DEG C, is kept for 1 hour；It filters while hot, obtains filter residue；
(2) filter residue that (1) step obtains is washed to neutrality, the NaOH solution of 10mol/L is added, is heated to 120-130
DEG C, it is kept for 2 hours, filters while hot, obtain filtrate；Filtrate is cooled to room temperature, there is white precipitate generation, is filtered；
(3) white precipitate being obtained by filtration in (2) step is washed to neutrality, 8.82mol/LH is added2O21L、0.1mol/
L acetic acid 100ml, 50-60 DEG C is heated 1 hour, is increased temperature to 100 DEG C, is kept for 10 minutes, cooling oyster mushroom extracting solution；
(4) 0.1mol vanillic aldehydes are added into the oyster mushroom extracting solution obtained by (3) step, control temperature 55-60 degree carries out anti-
It answers 1 hour, is down to room temperature, 3mol absolute ethyl alcohols are added, are sufficiently stirred, filter, be washed till neutral, 80 DEG C of drying, obtain modified flat
Mushroom extract；
(5) the modification oyster mushroom extract for obtaining (4) step and calcium gluconate, neopelex, water by than
Example mixing can be obtained required corrosion inhibitor.
Embodiment 3
Various raw materials are weighed according to quality parts ratio described below
Modified 40 parts of oyster mushroom extract
2 parts of calcium gluconate
3 parts of neopelex
55 parts of water
The preparation method of the armored concrete corrosion inhibitor is as follows：
(1) it takes 1KG to be dehydrated oyster mushroom, is crushed to 80-100 mesh, the NaOH solution of 8L 0.1mol/L is added, it is small to impregnate 8-12
When；Oyster mushroom after immersion is heated to 60 DEG C, is kept for 1 hour；It filters while hot, obtains filter residue；
(2) filter residue that (1) step obtains is washed to neutrality, the NaOH solution of 10mol/L is added, is heated to 120-130
DEG C, it is kept for 2 hours, filters while hot, obtain filtrate；Filtrate is cooled to room temperature, there is white precipitate generation, is filtered；
(3) white precipitate being obtained by filtration in (2) step is washed to neutrality, 8.82mol/LH is added2O21L、0.1mol/
L acetic acid 100ml, 50-60 DEG C is heated 1 hour, is increased temperature to 100 DEG C, is kept for 10 minutes, cooling oyster mushroom extracting solution；
(4) 0.1mol vanillic aldehydes are added into the oyster mushroom extracting solution obtained by (3) step, control temperature 55-60 degree carries out anti-
It answers 1 hour, is down to room temperature, 3mol absolute ethyl alcohols are added, are sufficiently stirred, filter, be washed till neutral, 80 DEG C of drying, obtain modified flat
Mushroom extract；
(5) the modification oyster mushroom extract for obtaining (4) step and calcium gluconate, neopelex, water by than
Example mixing can be obtained required corrosion inhibitor.
Embodiment 4
Various raw materials are weighed according to quality parts ratio described below
Modified 50 parts of oyster mushroom extract
4 parts of calcium gluconate
6 parts of neopelex
40 parts of water
The preparation method of the armored concrete corrosion inhibitor is as follows：
(1) it takes 1KG to be dehydrated oyster mushroom, is crushed to 80-100 mesh, the NaOH solution of 8L 0.1mol/L is added, it is small to impregnate 8-12
When；Oyster mushroom after immersion is heated to 60-65 DEG C, is kept for 1 hour；It filters while hot, obtains filter residue；
(2) filter residue that (1) step obtains is washed to neutrality, the NaOH solution of 10mol/L is added, is heated to 120-130
DEG C, it is kept for 2 hours, filters while hot, obtain filtrate；Filtrate is cooled to room temperature, there is white precipitate generation, is filtered；
(3) white precipitate being obtained by filtration in (2) step is washed to neutrality, 8.82mol/LH is added2O21L、0.1mol/
L acetic acid 100ml, 50-60 DEG C is heated 1 hour, is increased temperature to 100 DEG C, is kept for 10 minutes, cooling oyster mushroom extracting solution；
(4) 0.1mol vanillic aldehydes are added into the oyster mushroom extracting solution obtained by (3) step, 55-60 DEG C of control temperature carries out anti-
It answers 1 hour, is down to room temperature, 3mol absolute ethyl alcohols are added, are sufficiently stirred, filter, be washed till neutral, 80 DEG C of drying, obtain modified flat
Mushroom extract；
(5) the modification oyster mushroom extract for obtaining (4) step and calcium gluconate, neopelex, water by than
Example mixing can be obtained required corrosion inhibitor.
Embodiment 1 to embodiment 4 material properties test dries environment as a result, testing reinforcing bar according to JGJ/T 192 in salt water logging
In rustless property, in order to weigh the effect of the art of this patent scheme, selection is common and the preferable NaNO of effect2As a comparison
Example.The test result of embodiment 1 to embodiment 4 is as shown in table 1.
The corrosion inhibitor the performance test results of table 1 embodiment 1-4 and comparative example
Rn：Represent steel bar corrosion area percentage after n times recycle.
Statistics indicate that the technology that this patent provides has reached common inorganic resistance rust in the case of same additive amount in table
Agent agent NaNO2Effect, can by improve adding proportion improve resistance rust effect, but when be added to certain proportion after resistance become rusty effect not
It is improving.80 ± 5 DEG C of oven temperature in test process have reached hot weather building surface temperature, by 4 cycles, 5
After secondary cycle, steel bar corrosion area keeps stablizing, and shows that the antirust agent that this patent provides relatively is stablized at high temperature, is not easily decomposed.
Embodiment 5
Various raw materials are weighed according to quality parts ratio described below
Modified 0 part of oyster mushroom extract
4 parts of calcium gluconate
6 parts of neopelex
30 parts of water
The preparation method of the armored concrete corrosion inhibitor is the same as embodiment 2.
Embodiment 6
Various raw materials are weighed according to quality parts ratio described below
Modified 60 parts of oyster mushroom extract
0 part of calcium gluconate
6 parts of neopelex
30 parts of water
The preparation method of the armored concrete corrosion inhibitor is the same as embodiment 2.
Embodiment 7
Various raw materials are weighed according to quality parts ratio described below
Modified 60 parts of oyster mushroom extract
4 parts of calcium gluconate
0 part of neopelex
30 parts of water
The preparation method of the armored concrete corrosion inhibitor is the same as embodiment 2.
Embodiment 8
Various raw materials are weighed according to quality parts ratio described below
Modified 60 parts of oyster mushroom extract
4 parts of calcium gluconate
6 parts of neopelex
The preparation method of the armored concrete corrosion inhibitor is the same as embodiment 2.
Embodiment 9
Various raw materials are weighed according to quality parts ratio described below
60 parts of oyster mushroom extract
4 parts of calcium gluconate
6 parts of neopelex
30 parts of water
The preparation method of the armored concrete corrosion inhibitor is as follows：
(1) it takes 1KG to be dehydrated oyster mushroom, is crushed to 80-100 mesh, the NaOH solution of 8L 0.1mol/L is added, it is small to impregnate 8-12
When；Oyster mushroom after immersion is heated to 60-65 DEG C, is kept for 1 hour；It filters while hot, obtains filter residue.
(2) filter residue that (1) step obtains is washed to neutrality, the NaOH solution of 10mol/L is added, is heated to 120-130
DEG C, it is kept for 2 hours, filters while hot, obtain filtrate；Filtrate is cooled to room temperature, there is white precipitate generation, is filtered.
(3) white precipitate being obtained by filtration in (2) step is washed to neutrality, be added 8.82mol/LH2O21L,
0.1mol/L acetic acid 100ml, 50-60 DEG C is heated 1 hour, is increased temperature to 100 DEG C, is kept for 10 minutes, cooling that oyster mushroom extracts
Liquid；Oyster mushroom extracting solution is down to room temperature, filters, be washed till neutral, 80 DEG C of drying, obtain oyster mushroom extract.
(4) oyster mushroom extract that (3) step obtains is mixed in proportion with calcium gluconate, neopelex, water
Conjunction can be obtained required corrosion inhibitor.
Embodiment 10
Various raw materials are weighed according to quality parts ratio described below
Modified 60 parts of oyster mushroom extract
4 parts of calcium gluconate
2 parts of neopelex
30 parts of water
The preparation method of the armored concrete corrosion inhibitor is the same as embodiment 2.
Embodiment 11
Various raw materials are weighed according to quality parts ratio described below
Modified 60 parts of oyster mushroom extract
4 parts of calcium gluconate
4 parts of neopelex
30 parts of water
The preparation method of the armored concrete corrosion inhibitor is the same as embodiment 2.
Embodiment 12
Various raw materials are weighed according to quality parts ratio described below
Modified 60 parts of oyster mushroom extract
4 parts of calcium gluconate
10 parts of neopelex
30 parts of water
The preparation method of the armored concrete corrosion inhibitor is the same as embodiment 2.
The test result of embodiment 5 to embodiment 12 is as shown in table 2.
The corrosion inhibitor the performance test results of 2 embodiment 5-12 of table
Embodiment 13 is to embodiment 21
The antirust for reinforced concrete made from Example 2 carries out the comparison of different pH values, when test, corrosion inhibitor
Additive amount be 0.1%.Test result is as shown in table 3.
Test result of the corrosion inhibitor of 3 embodiment 13-21 of table in different pH values
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its
Equivalent defines.
Claims (3)
1. a kind of antirust for reinforced concrete, which is characterized in that be made of in parts by weight following raw materials according：30~60 parts of modifications are flat
Mushroom extract, 1~4 part of calcium gluconate, 2~10 parts of neopelexes and 30~67 parts of water, wherein the modification
Oyster mushroom extract is that vanillic aldehyde is modified oyster mushroom extract, is suitable for the alkaline condition that pH is 8~13.
2. antirust for reinforced concrete according to claim 1, which is characterized in that neopelex accounts for the resistance
Ratio in rust agent is not more than 10%.
3. a kind of antirust for reinforced concrete preparation method as claimed in claim 1 or 2, which is characterized in that including step：
(a) 1 kilogram of dehydration oyster mushroom is taken, 80~100 mesh is crushed to, the NaOH solution of 8 liters of 0.1mol/L is added, it is small to impregnate 8~12
When；
(b) oyster mushroom after immersion is heated to 60~65 DEG C, is filtered while hot after being kept for 1 hour, obtains filter residue；
(c) filter residue is washed to neutrality, the NaOH solution of 10mol/L is added, be heated to 120-130 DEG C, kept for 2 hours, while hot
Filtering, obtains filtrate, filtrate is cooled to room temperature, filter the white precipitate of generation；
(d) white precipitate is washed to neutrality, 1 liter of 8.82mol/LH is added2O2, 100 milliliters of 0.1mol/L acetic acid, 50~
60 DEG C are heated 1 hour, are increased temperature to 100 DEG C, are kept for 10 minutes, cooling oyster mushroom extracting solution；
(e) 0.1mol vanillic aldehydes are added into oyster mushroom extracting solution, 55~60 DEG C of temperature of control carries out reaction 1 hour, is down to room temperature,
3mol absolute ethyl alcohols are added, are sufficiently stirred, filters, be washed till neutral, 80 DEG C of drying, obtain modified oyster mushroom extract；And
(f) the modification oyster mushroom extract of corrresponding quality part is mixed in proportion with calcium gluconate, neopelex, water
It closes, stirs evenly, the antirust for reinforced concrete is made.
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|---|---|---|---|---|
| CN102674746A (en) * | 2011-11-15 | 2012-09-19 | 浙江省海洋开发研究院 | Corrosion inhibitor for additive reinforced concrete and preparation method for corrosion inhibitor |
| CN103304178A (en) * | 2013-05-17 | 2013-09-18 | 河海大学 | Kelp extracting solution steel bar corrosion inhibitor and application thereof |
| CN105731853A (en) * | 2016-02-29 | 2016-07-06 | 冯丽娟 | Reinforcing bar rusty retardant agent produced by vegetable waste extracts and application method of rusty retardant agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674746A (en) * | 2011-11-15 | 2012-09-19 | 浙江省海洋开发研究院 | Corrosion inhibitor for additive reinforced concrete and preparation method for corrosion inhibitor |
| CN103304178A (en) * | 2013-05-17 | 2013-09-18 | 河海大学 | Kelp extracting solution steel bar corrosion inhibitor and application thereof |
| CN105731853A (en) * | 2016-02-29 | 2016-07-06 | 冯丽娟 | Reinforcing bar rusty retardant agent produced by vegetable waste extracts and application method of rusty retardant agent |
Non-Patent Citations (1)
| Title |
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| Green Inhibitors for Corrosion of Metals:A Review;Kesavan Devarayan et al.;《Chemical Science Review and Letters》;20121231;第1-8页 * |
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