CN107325608A - A kind of sodium alginate micro ball for coating corrosion inhibiter and its preparation and application - Google Patents
A kind of sodium alginate micro ball for coating corrosion inhibiter and its preparation and application Download PDFInfo
- Publication number
- CN107325608A CN107325608A CN201710695345.7A CN201710695345A CN107325608A CN 107325608 A CN107325608 A CN 107325608A CN 201710695345 A CN201710695345 A CN 201710695345A CN 107325608 A CN107325608 A CN 107325608A
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- CN
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- Prior art keywords
- sodium alginate
- corrosion inhibiter
- micro ball
- alginate micro
- coating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/14—Polymerisation; cross-linking
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The present invention relates to technical field of material, specifically a kind of sodium alginate micro ball for coating corrosion inhibiter and its preparation and application.Microballoon is the internal sodium alginate micro ball for coating corrosion inhibiter；Wherein, the 30um of sodium alginate micro ball particle diameter 20.The present invention is added in water paint according to a certain percentage is coated on metal surface.When coating produces crack, when having hydrone infiltration, the sodium alginate micro ball of cladding corrosion inhibiter triggers water-sensitive rupture, discharges corrosion inhibiter, and form gel state.The corrosion inhibiter absorption of release prevents corrosion of metal, the sodium alginate gel of formation then fills up the hole of coating in metal surface, has reached environmental protection, the purpose for improving coating antiseptic corrosion energy, improving aqueous coating active time.
Description
Technical field
The present invention relates to technical field of material, specifically a kind of sodium alginate micro ball for coating corrosion inhibiter and its
Prepare and apply.
Background technology
In recent years, due to social industrialization degree more and more higher, very big harm is caused to environment, environmental issue is more next
More turn into problem of concern.In anticorrosive coating field, solvent-based system is resistance to due to its good Corrosion Protection, height
Wait and excellent durability is constantly in monopoly position.But wherein largely there is volatile compound to evaporate into air
Serious destruction can be caused to environment and is detrimental to health.Therefore, coating Water-borne modification extensive concern has been obtained into.But
The coating of Water-borne modification is due to possessing hydrophilic molecules and the degree of cross linking is low causes that its poor waterproof properties, Corrosion Protection are weak to ask
Topic.How the Corrosion Protection of water paint, research emphasis as many team are improved on the premise of environmental protection.
The content of the invention
It is an object of the invention to provide a kind of sodium alginate micro ball for coating corrosion inhibiter and its preparation and application.
To achieve the above object, the present invention use technical scheme for：
A kind of sodium alginate micro ball for coating corrosion inhibiter, microballoon is that corrosion inhibiter is covered inside sodium alginate, forms interior
Portion coats the sodium alginate micro ball of corrosion inhibiter；Wherein, sodium alginate micro ball particle diameter 20-30um.
The preparation of sodium alginate micro ball described in the preparation method for the sodium alginate micro ball for coating corrosion inhibiter：
1) sodium alginate soln：By sodium alginate, corrosion inhibiter, calcium carbonate and deionized water according to 1-2:0.1-0.3：0.1-
0.4:95-99 mass ratio mixing, is stirred 12-24 hours therewith, stand-by；
2) atoleine and emulsifying agent mixed liquor：By emulsifying agent and atoleine according to 1-3：100 volume ratio mixing, with
Stirring 6-8 hours；
3) according to 1:10-20 volume ratio, by step 1) sodium alginate soln is added dropwise to step 2) liquid of addition emulsifying agent
In body paraffin, stirring and emulsifying 15-20min obtains sodium alginate liquid paraffin mixed liquor；
4) by acetic acid solution and above-mentioned sodium alginate liquid paraffin mixed liquor according to 2-4:100 volume ratio adds it dropwise
Enter into, stirring aging 5-7 hours centrifuges, washed, being drying to obtain the sodium alginate of particle diameter 20-30um cladding corrosion inhibiter
Microballoon.
The step 4) precipitation is collected by centrifugation after aging reaction, and repeatedly to wash sodium alginate with petroleum ether, isopropanol respectively micro-
Ball, after the completion of cleaning, is placed in vacuum drying oven, carries out 25-35 DEG C of drying.
The step 1) in sodium alginate, corrosion inhibiter, calcium carbonate and deionized water according to 2:0.2:0.3:98 mass ratio
Mixing；
The step 4) by acetic acid solution according to 3:100 volume ratio is added in sodium alginate liquid paraffin mixed liquor.
The emulsifying agent selects sorbitol anhydride oleate, lauryl sodium sulfate, sorbitan fatty acid ester, benzene second
It is more than one or both of alkene-copolymer-maleic anhydride；
The corrosion inhibiter is selected more than one or both of sodium phytate, sodium tartrate, sodium molybdate.
A kind of application for the sodium alginate micro ball for coating corrosion inhibiter, the sodium alginate micro ball of the cladding corrosion inhibiter is used as painting
The application of additive in material.
The sodium alginate micro ball of the cladding corrosion inhibiter is with water paint according to 0.03-0.07:1 mass ratio stirring is mixed
Close, be used as high anticorrosive property energy water paint.
The water paint is one kind in water-based acrylic resin, polyurethane water-based paint, water-soluble alkyd resin.
Produced beneficial effect is the present invention compared with prior art：
The sodium alginate micro ball that the present invention is prepared using the endogenous emulsion process of w/o type has uniform particle diameter, specific surface area big etc.
Good characteristics.By the use of calcium carbonate and the nontoxic calcium acetate of acetic acidreaction generation as crosslinking agent in preparation process, ensureing sea
On the premise of mosanom microballoon pattern, the purpose of environmental protection has been reached.When coating produces crack, when having hydrone infiltration, wrap
The sodium alginate micro ball for covering corrosion inhibiter triggers water-sensitive rupture, discharges corrosion inhibiter, and form gel state.The corrosion inhibiter of release is inhaled
It is attached to metal surface, prevents corrosion of metal, the hole that the sodium alginate gel of formation then fills up coating has reached improvement coating
The purpose of Corrosion Protection.
Brief description of the drawings
Fig. 1 is the SEM figures for the sodium alginate micro ball that the embodiment of the present invention 1 is provided.
Fig. 2 is the SEM figures for the sodium alginate micro ball that the embodiment of the present invention 2 is provided.
Fig. 3 is the SEM figures for the sodium alginate micro ball that the embodiment of the present invention 3 is provided.
Fig. 4 .1 are to be immersed in simulated seawater after the water paint for being not added with sodium alginate micro ball is coated into copper electrode surface
In the EIS figures electrochemical impedance spectroscopy of change (be not added with microballoon coating impedance).
Fig. 4 .2 are to be immersed in simulated seawater after the water paint that with the addition of sodium alginate micro ball is coated into copper electrode surface
In EIS figure (addition microballoon after coating impedance change electrochemical impedance spectroscopy).
Embodiment
By the way that example is embodied, the present invention will be further described.
The problem of present invention is solves low water paint Corrosion Protection, poor durability, is prepared for coating the sea of corrosion inhibiter
Mosanom microballoon.Sodium alginate micro ball particle diameter prepared by this method is 20-30um.Then, it is added to according to a certain percentage aqueous
Metal surface is coated in coating.When coating produces crack, when having hydrone infiltration, the sodium alginate micro ball of cladding corrosion inhibiter draws
The quick rupture of shampoo, discharges corrosion inhibiter, and form gel state.The corrosion inhibiter absorption of release prevents metal in metal surface
Corrosion, the sodium alginate gel of formation then fills up the hole of coating, has reached environmental protection, has improved coating antiseptic corrosion energy, carries
The purpose of high aqueous coating active time.
Embodiment 1
1. it is prepared by the sodium alginate micro ball for coating corrosion inhibiter：By 2g sodium alginates, 0.2g sodium tartrates, 0.3g calcium carbonate and
98g deionized waters are mixed, and are stirred 24 hours therewith；2mL sorbitol anhydride oleates and 100mL atoleines are mixed, therewith
Stirring 6 hours.10mL sodium alginate solns are added dropwise to 100mL with 5mL syringe and contain sorbitol anhydride oleate
Atoleine in, stirring and emulsifying 20min.It is subsequently added 3.3mL acetic acid solutions, stirring aging 6 hours.Therewith by mixed liquor from
The heart, and sodium alginate micro ball is repeatedly washed with petroleum ether, isopropanol respectively, after the completion of cleaning, it is placed in vacuum drying oven, carries out 30
DEG C drying, produce cladding corrosion inhibiter tartaric acid sodium alginate micro ball (referring to Fig. 1).
The sodium alginate micro ball uniform particle diameter about 20-30um prepared as seen from Figure 1.
2. the sodium alginate micro ball and water polyacrylic acid coating of corrosion inhibiter will be coated according to 0.05:1 ratio stirring
Mixing, is made high anticorrosive property energy water paint.
Above-mentioned acquisition high anticorrosive property energy water paint is coated on copper electrode surface, is then immersed in simulated seawater；
While using the water polyacrylic acid coating without sodium alginate micro ball as control (referring to Fig. 4 .1 and 4.2).
Gradually reduced with the extension impedance of soak time without the water paint of sodium alginate micro ball as seen from Figure 4；
And the water paint that with the addition of above-described embodiment acquisition sodium alginate micro ball gradually increases with the extension impedance of soak time, prevent
Corrosive nature strengthens, and solves the defect of aqueous coating Corrosion Protection difference, adds the durability of coating.
Embodiment 2：
1. it is prepared by the sodium alginate micro ball for coating corrosion inhibiter：By 2g sodium alginates, 0.1g sodium tartrates, 0.2g calcium carbonate and
97.5g deionized waters are mixed, and are stirred 24 hours therewith；1mL sorbitan fatty acid esters and 100mL atoleines are mixed,
Stir 6 hours therewith.5mL sodium alginate solns are added dropwise to 100mL with 5mL syringe and contain sorbitan fatty
In the atoleine of acid esters, stirring and emulsifying 20min.It is subsequently added 2.5mL acetic acid solutions, stirring aging 5 hours.Therewith will mixing
Liquid is centrifuged, and repeatedly washs sodium alginate micro ball with petroleum ether, isopropanol respectively, after the completion of cleaning, is placed in vacuum drying oven, is entered
25 DEG C of drying of row, produce the sodium alginate micro ball of cladding corrosion inhibiter (referring to Fig. 2).
The sodium alginate micro ball pattern for preparing as seen from Figure 2 is complete, uniform particle diameter.
2. the sodium alginate micro ball and aqueous polyurethane coating of corrosion inhibiter will be coated according to 0.03:1 ratio stirring mixing,
High anticorrosive property energy water paint is made.
Embodiment 3：
1. it is prepared by the sodium alginate micro ball for coating corrosion inhibiter：By 2g sodium alginates, 0.3g sodium tartrates, 0.4g calcium carbonate and
98.5g deionized waters are mixed, and are stirred 24 hours therewith；1.5mL lauryl sodium sulfate and 100mL atoleines are mixed, with
Stirring 6 hours.7mL sodium alginate solns are added dropwise to 100mL with 5mL syringe and contain lauryl sodium sulfate
In atoleine, stirring and emulsifying 20min.It is subsequently added 4mL acetic acid solutions, stirring aging 7 hours.Mixed liquor is centrifuged therewith,
And sodium alginate micro ball is repeatedly washed with petroleum ether, isopropanol respectively, after the completion of cleaning, it is placed in vacuum drying oven, carries out 35 DEG C
Drying, produces the sodium alginate micro ball of cladding corrosion inhibiter (referring to Fig. 3).The sodium alginate micro ball pattern prepared as seen from Figure 3 is complete
Whole, uniform particle diameter.
2. the sodium alginate micro ball and water soluble alkyd resin coating of corrosion inhibiter will be coated according to 0.06:1 ratio stirring
Mixing, is made high anticorrosive property energy water paint.
Claims (8)
1. a kind of sodium alginate micro ball for coating corrosion inhibiter, it is characterised in that:Microballoon is the internal sodium alginate for coating corrosion inhibiter
Microballoon；Wherein, sodium alginate micro ball particle diameter 20-30um.
2. the preparation method of the sodium alginate micro ball of the cladding corrosion inhibiter as described in claim 1, it is characterised in that:The marine alga
The preparation of sour sodium microballoon：
1) sodium alginate soln：By sodium alginate, corrosion inhibiter, calcium carbonate and deionized water according to 1-2:0.1-0.3：0.1-0.4:
95-99 mass ratio mixing, is stirred 12-24 hours therewith, stand-by；
2) atoleine and emulsifying agent mixed liquor：By emulsifying agent and atoleine according to 1-3：100 volume ratio mixing, is stirred therewith
Mix 6-8 hours；
3) according to 1:10-20 volume ratio, by step 1) sodium alginate soln is added dropwise to step 2) the liquid stone of addition emulsifying agent
In wax, stirring and emulsifying 15-20min obtains sodium alginate liquid paraffin mixed liquor；
4) by acetic acid solution and above-mentioned sodium alginate liquid paraffin mixed liquor according to 2-4:100 volume ratio is added dropwise to
Into, stirring aging 5-7 hours centrifuges, washed, being drying to obtain the sodium alginate micro ball of particle diameter 20-30um cladding corrosion inhibiter.
3. the preparation method of the sodium alginate micro ball of the cladding corrosion inhibiter as described in claim 2, it is characterised in that:The step
4) precipitation is collected by centrifugation after aging reaction and repeatedly washs sodium alginate micro ball with petroleum ether, isopropanol respectively, after the completion of cleaning, puts
In vacuum drying oven, 25-35 DEG C of drying is carried out.
4. the preparation method of the sodium alginate micro ball of the cladding corrosion inhibiter as described in claim 2, it is characterised in that:The step
1) sodium alginate, corrosion inhibiter, calcium carbonate and deionized water are according to 2 in:0.2:0.3:98 mass ratio mixing；
The step 4) by acetic acid solution according to 3:100 volume ratio is added in sodium alginate liquid paraffin mixed liquor.
5. the preparation method of the sodium alginate micro ball of the cladding corrosion inhibiter as described in claim 2, it is characterised in that:The emulsification
Sorbitol anhydride oleate, lauryl sodium sulfate, sorbitan fatty acid ester, styrene-maleic anhydride copolymer are selected in agent
It is more than one or both of thing；
The corrosion inhibiter is selected more than one or both of sodium phytate, sodium tartrate, sodium molybdate.
6. a kind of application of the sodium alginate micro ball of cladding corrosion inhibiter as described in claim 1, it is characterised in that：The cladding
The sodium alginate micro ball of corrosion inhibiter as additive in coating application.
7. the application of the sodium alginate micro ball of the cladding corrosion inhibiter as described in claim 6, it is characterised in that：The cladding inhibition
The sodium alginate micro ball of agent is with water paint according to 0.03-0.07:1 mass ratio stirring mixing, is used as high anticorrosive property energy
Water paint.
8. the application of the sodium alginate micro ball of the cladding corrosion inhibiter as described in claim 6 or 7, it is characterised in that：It is described aqueous
Coating is one kind in water-based acrylic resin, polyurethane water-based paint, water-soluble alkyd resin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710695345.7A CN107325608A (en) | 2017-08-15 | 2017-08-15 | A kind of sodium alginate micro ball for coating corrosion inhibiter and its preparation and application |
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| CN201710695345.7A CN107325608A (en) | 2017-08-15 | 2017-08-15 | A kind of sodium alginate micro ball for coating corrosion inhibiter and its preparation and application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108610731A (en) * | 2018-05-16 | 2018-10-02 | 四川理工学院 | The preparation and application of a kind of corrosion inhibiter latex solution suitable for water paint |
| CN109351350A (en) * | 2018-12-27 | 2019-02-19 | 安徽工业大学 | A kind of method that emulsion polymerization prepares sodium alginate micro ball adsorbent |
| CN110539372A (en) * | 2019-09-08 | 2019-12-06 | 蔡樟森 | Furniture Europe pine composite board |
| CN114084969A (en) * | 2021-11-16 | 2022-02-25 | 常州市武进盛源化工有限公司 | Cooling water scale inhibitor and application thereof |
| CN114505059A (en) * | 2021-12-27 | 2022-05-17 | 辽宁大学 | Preparation method of porous cellulose nanocrystalline-sodium alginate gel microspheres |
Citations (1)
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| CN106833079A (en) * | 2016-12-26 | 2017-06-13 | 中国科学院海洋研究所 | A kind of Porous Chitosan Microspheres for coating corrosion inhibiter and its preparation and application |
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2017
- 2017-08-15 CN CN201710695345.7A patent/CN107325608A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106833079A (en) * | 2016-12-26 | 2017-06-13 | 中国科学院海洋研究所 | A kind of Porous Chitosan Microspheres for coating corrosion inhibiter and its preparation and application |
Non-Patent Citations (1)
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| 王婷婷: "海藻酸钠微球包封L-抗坏血酸的制备及其在化妆品中的应用", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108610731A (en) * | 2018-05-16 | 2018-10-02 | 四川理工学院 | The preparation and application of a kind of corrosion inhibiter latex solution suitable for water paint |
| CN109351350A (en) * | 2018-12-27 | 2019-02-19 | 安徽工业大学 | A kind of method that emulsion polymerization prepares sodium alginate micro ball adsorbent |
| CN110539372A (en) * | 2019-09-08 | 2019-12-06 | 蔡樟森 | Furniture Europe pine composite board |
| CN114084969A (en) * | 2021-11-16 | 2022-02-25 | 常州市武进盛源化工有限公司 | Cooling water scale inhibitor and application thereof |
| CN114505059A (en) * | 2021-12-27 | 2022-05-17 | 辽宁大学 | Preparation method of porous cellulose nanocrystalline-sodium alginate gel microspheres |
| CN114505059B (en) * | 2021-12-27 | 2024-01-09 | 辽宁大学 | Preparation method of porous cellulose nanocrystalline-sodium alginate gel microsphere |
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Application publication date: 20171107 |