CN110305627B - Additive capable of effectively inhibiting freeze thawing corrosion damage of deicing salt - Google Patents
Additive capable of effectively inhibiting freeze thawing corrosion damage of deicing salt Download PDFInfo
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- CN110305627B CN110305627B CN201910603120.3A CN201910603120A CN110305627B CN 110305627 B CN110305627 B CN 110305627B CN 201910603120 A CN201910603120 A CN 201910603120A CN 110305627 B CN110305627 B CN 110305627B
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- freeze
- thaw
- corrosion damage
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
- C09K3/185—Thawing materials
Abstract
The invention discloses an additive capable of effectively inhibiting freeze-thawing corrosion damage of deicing salt, belonging to the technical field of additives, and the additive capable of effectively inhibiting freeze-thawing corrosion damage of deicing salt comprises the following materials in parts by weight: 5-40% of active nano material; silicate salt: 5-40%; organic silicon material: 5-30%; fatty acid salts: 1-10%; preservative: 0.5-5%; surfactant (b): 0.5-5%; the balance of water; the manufacturing method is simple, through mixing, configuring and testing the materials, when a 3.5% saline freeze-thaw cycle test is carried out, the temperature is controlled at-20 ℃, the freeze-thaw cycle is carried out for 25 times, and the test result is as follows: the average freeze-thaw loss rate of the test piece infiltrated by the additive mixed solution is 1.15 percent; and the loss rate of the blank test piece is up to 19.5 percent.
Description
Technical Field
The invention relates to the technical field of additives, in particular to an additive capable of effectively inhibiting freeze-thaw corrosion damage of deicing salt.
Background
The deicing salt is also called a snow-melting agent, is one of the snow-melting agents, is a medicament capable of reducing the melting temperature of ice and snow as the name suggests, and is a chemical; most of the traditional deicing salts are composed of sodium chloride, calcium chloride, magnesium chloride, potassium chloride and the like, the traditional deicing salts have the advantages of low price which is just equal to 1/10 of organic snow-melting agents, but the traditional deicing salts have serious corrosion to large public infrastructures, and therefore, the additive capable of effectively inhibiting the freeze-thaw corrosion damage of the deicing salts is provided, and the freeze-thaw corrosion damage of the deicing salts is effectively inhibited by adding the additive.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide an additive for effectively inhibiting freeze-thaw corrosion destruction of deicing salts.
In order to achieve the purpose, the invention provides the following technical scheme: the additive for effectively inhibiting the freeze-thaw corrosion damage of the deicing salt comprises the following materials in parts by weight:
5-40% of active nano material;
silicate salt: 5-40%;
organic silicon material: 5-30%;
fatty acid salts: 1-10%;
preservative: 0.5-5%;
surfactant (b): 0.5-5%;
the balance being water.
Preferably, the active nano material is at least one selected from nano aluminum oxide, nano titanium oxide, nano silicon oxide, nano zinc oxide, nano zirconium oxide, nano cerium oxide and nano magnesium oxide.
Preferably, the silicate material is selected from at least one of potassium silicate and sodium silicate.
Preferably, the organosilicon material is an organosilicon compound, and is selected from silane/siloxane, silicone, silane polymer or silane emulsion, and further preferably comprises at least one of polyethylene triethoxysilane, methyl triethoxysilane emulsion, octyl triethoxysilane emulsion, isooctyl silane, methyl silicic acid and methyl silicate.
Preferably, the fatty acid salt material is at least one of sodium fatty acid and potassium fatty acid.
Preferably, the preservative is a phenolic substance, such as biphenol, cresol, xylenol, or one of an isothiazolinone derivative, a benzimidazole ester.
Preferably, the surfactant is at least one of an anionic surfactant, a cationic surfactant, a zwitterionic surfactant and a nonionic surfactant.
Compared with the prior art, the invention has the beneficial effects that: the additive for effectively inhibiting the freeze-thaw corrosion damage of the deicing salt is simple in manufacturing method, and through mixing, configuring and testing materials, when a freeze-thaw cycle test of 3.5% saline is carried out, the temperature is controlled at-20 ℃, the freeze-thaw cycle is carried out for 25 times, and the test result is as follows: the average freeze-thaw loss rate of the test piece infiltrated by the additive mixed solution is 1.15 percent; the loss rate of the blank test piece is up to 19.5 percent, and the corrosion damage can be effectively prevented.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The additive for effectively inhibiting the freeze-thaw corrosion damage of the deicing salt comprises the following materials in parts by weight:
active nano-materials: 10-35%;
silicate salt: 10-30%;
organic silicon material: 10-25%;
fatty acid salts: 2-5%;
preservative: 0.5-3%;
surfactant (b): 0.5-3%;
the balance being water.
Wherein: the active nano material is selected from at least one of nano aluminum oxide, nano titanium oxide, nano silicon oxide, nano zinc oxide, nano zirconium oxide, nano cerium oxide and nano magnesium oxide; further preferably at least one of nano alumina, nano titanium oxide and nano silicon oxide;
the silicate material is at least one of potassium silicate and sodium silicate;
the organosilicon material is an organosilicon compound, is selected from silane/siloxane, polysiloxane, silane polymer or silane emulsion, and further preferably comprises at least one of polyethylene triethoxysilane, methyl triethoxysilane emulsion, octyl triethoxysilane emulsion, isooctyl silane, methyl silicic acid and methyl silicate;
the fatty acid salt material is at least one of sodium fatty acid and potassium fatty acid;
the antiseptic is phenolic substance such as biphenol, cresol, xylenol, or one of isothiazolinone derivatives and benzimidazole ester;
the surfactant is at least one of anionic surfactant, cationic surfactant, zwitterionic surfactant and nonionic surfactant;
an additive for effectively inhibiting the freeze-thaw corrosion damage of deicing salt comprises the following preparation steps;
1. the preparation process of the additive comprises the following steps:
s1: firstly, weighing the active nano material and the silicate material in the proportion, then mixing the active nano material and the silicate material with the surfactant and the quantitative water in the proportion, and uniformly stirring:
s2: then adding the fatty acid salt in the above proportion, and stirring uniformly while adding;
s3: adding the organic silicon material in the proportion, and stirring uniformly while adding;
s4: finally, adding the preservative in the above proportion, and stirring uniformly while adding for later use;
2. the blending process of the additive and the deicing salt comprises the following steps:
the blending method comprises the following steps: for the way of spraying the deicing salt solution, salt particles are dissolved firstly, after the salt particles are fully dissolved, the additive is slowly added at a constant speed according to the amount, and the stirring is carried out while the addition is carried out. The finished product prepared by the method can be used within the day;
and a second blending method: for the operation mode of directly sprinkling salt granules, the salt granules can be sprinkled and the product can be sprinkled at the same time, and the sprinkling amount can be controlled as appropriate.
Example 2
The additive for effectively inhibiting the freeze-thaw corrosion damage of the deicing salt comprises the following materials in parts by weight:
active nano-materials: 20-25%;
silicate salt: 15-20%;
organic silicon material: 15-20%;
fatty acid salts: 2-2.5%;
preservative: 2-2.5%;
surfactant (b): 2-2.5%;
the balance being water.
Wherein: the active nano material is selected from at least one of nano aluminum oxide, nano titanium oxide, nano silicon oxide, nano zinc oxide, nano zirconium oxide, nano cerium oxide and nano magnesium oxide; further preferably at least one of nano alumina, nano titanium oxide and nano silicon oxide;
the silicate material is at least one of potassium silicate and sodium silicate;
the organosilicon material is an organosilicon compound, is selected from silane/siloxane, polysiloxane, silane polymer or silane emulsion, and further preferably comprises at least one of polyethylene triethoxysilane, methyl triethoxysilane emulsion, octyl triethoxysilane emulsion, isooctyl silane, methyl silicic acid and methyl silicate;
the fatty acid salt material is at least one of sodium fatty acid and potassium fatty acid;
the preservative is phenolic substance, such as biphenol, cresol, xylenol, or one of isothiazolinone derivatives, benzimidazole esters, etc.;
the surfactant is at least one of an anionic surfactant, a cationic surfactant, a zwitterionic surfactant and a nonionic surfactant.
An additive for effectively inhibiting the freeze-thaw corrosion damage of deicing salt comprises the following preparation steps;
1. the preparation process of the additive comprises the following steps:
s1: firstly, weighing the active nano material and the silicate material in the proportion, then mixing the active nano material and the silicate material with the surfactant and the quantitative water in the proportion, and uniformly stirring:
s2: then adding the fatty acid salt in the above proportion, and stirring uniformly while adding;
s3: adding the organic silicon material in the proportion, and stirring uniformly while adding;
s4: finally, adding the preservative in the above proportion, and stirring uniformly while adding for later use; 2. the blending process of the additive and the deicing salt comprises the following steps:
the blending method comprises the following steps: for the way of spraying the deicing salt solution, salt particles are dissolved firstly, after the salt particles are fully dissolved, the additive is slowly added at a constant speed according to the amount, and the stirring is carried out while the addition is carried out. The finished product prepared by the method can be used within the day;
and a second blending method: for the operation mode of directly sprinkling salt granules, the salt granules can be sprinkled and the product can be sprinkled at the same time, and the sprinkling amount can be controlled as appropriate.
Laboratory test data for the additives of the invention:
the additive is quantitatively mixed with a sodium chloride solution and uniformly stirred;
infiltrating a prepared mortar test piece (the specification is 70.7 multiplied by 70.7mm) with the mixed solution, and then airing and reacting for three days;
and (3) carrying out a test piece water absorption test, wherein the test result is as follows:
water absorption of mortar test piece
| 24 hours | |
| Water absorption rate | <1.5％ |
| Water absorption ratio | <0.25 |
A freeze-thaw cycle test of 3.5% saline is carried out at-20 ℃ for 25 times of freeze-thaw cycles, and the test result is as follows: the average freeze-thaw loss rate of the test piece infiltrated by the additive mixed solution is 1.15 percent; and the loss rate of the blank test piece is up to 19.5 percent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An additive effective for inhibiting freeze-thaw corrosion damage of deicing salts, comprising: the additive for effectively inhibiting the freeze-thaw corrosion damage of the deicing salt comprises the following materials in parts by weight:
5-40% of active nano material;
silicate salt: 5-40%;
organic silicon material: 5-30%;
fatty acid salts: 1-10%;
preservative: 0.5-5%;
surfactant (b): 0.5-5%;
the balance of water;
the active nano material is selected from at least one of nano aluminum oxide, nano titanium oxide, nano silicon oxide, nano zinc oxide, nano zirconium oxide, nano cerium oxide and nano magnesium oxide;
the fatty acid salt material is at least one of sodium fatty acid and potassium fatty acid;
the silicate material is at least one of potassium silicate and sodium silicate.
2. The additive according to claim 1 for effectively inhibiting freeze-thaw corrosion damage of deicing salts, wherein: the organic silicon material is an organic silicon compound and is selected from silane/siloxane, polysiloxane, silane polymer or silane emulsion.
3. The additive according to claim 2 for effectively inhibiting freeze-thaw corrosion damage of deicing salts, wherein: the organic silicon material comprises at least one of polyethylene triethoxysilane, methyl triethoxysilane emulsion, octyl triethoxysilane emulsion, isooctyl silane, methyl silicic acid and methyl silicate.
4. The additive according to claim 1 for effectively inhibiting freeze-thaw corrosion damage of deicing salts, wherein: the preservative is a phenolic substance, and the preservative is one of diphenol, cresol and xylenol, or isothiazolinone derivatives and benzimidazole ester.
5. The additive according to claim 1 for effectively inhibiting freeze-thaw corrosion damage of deicing salts, wherein: the surfactant is at least one of an anionic surfactant, a cationic surfactant, a zwitterionic surfactant and a nonionic surfactant.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910603120.3A CN110305627B (en) | 2019-07-05 | 2019-07-05 | Additive capable of effectively inhibiting freeze thawing corrosion damage of deicing salt |
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| CN201910603120.3A CN110305627B (en) | 2019-07-05 | 2019-07-05 | Additive capable of effectively inhibiting freeze thawing corrosion damage of deicing salt |
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| CN110305627B true CN110305627B (en) | 2022-03-29 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358014A (en) * | 2007-04-20 | 2009-02-04 | 赢创德固赛有限责任公司 | Preparation containing organosilicium compound and its use |
| CN102923991A (en) * | 2012-10-23 | 2013-02-13 | 王建东 | Concrete multifunctional corrosion remover and preparation method thereof |
| CN105602442A (en) * | 2015-12-31 | 2016-05-25 | 清华大学 | Salt-frost-resistant and rust-resistant coating for concrete member |
| CN108485605A (en) * | 2018-05-03 | 2018-09-04 | 中盐金坛盐化有限责任公司 | A kind of dedicated snow melt deicer and preparation method thereof with antistrip performance of airfield runway |
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- 2019-07-05 CN CN201910603120.3A patent/CN110305627B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358014A (en) * | 2007-04-20 | 2009-02-04 | 赢创德固赛有限责任公司 | Preparation containing organosilicium compound and its use |
| CN102923991A (en) * | 2012-10-23 | 2013-02-13 | 王建东 | Concrete multifunctional corrosion remover and preparation method thereof |
| CN105602442A (en) * | 2015-12-31 | 2016-05-25 | 清华大学 | Salt-frost-resistant and rust-resistant coating for concrete member |
| CN108485605A (en) * | 2018-05-03 | 2018-09-04 | 中盐金坛盐化有限责任公司 | A kind of dedicated snow melt deicer and preparation method thereof with antistrip performance of airfield runway |
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