CN116426172B - Corrosion-resistant acid-alkali-resistant water-based rubber coating and preparation method thereof - Google Patents
Corrosion-resistant acid-alkali-resistant water-based rubber coating and preparation method thereof Download PDFInfo
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- CN116426172B CN116426172B CN202310384955.0A CN202310384955A CN116426172B CN 116426172 B CN116426172 B CN 116426172B CN 202310384955 A CN202310384955 A CN 202310384955A CN 116426172 B CN116426172 B CN 116426172B
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- 238000005260 corrosion Methods 0.000 title claims abstract description 41
- 230000007797 corrosion Effects 0.000 title claims abstract description 40
- 239000003513 alkali Substances 0.000 title claims abstract description 37
- 238000010073 coating (rubber) Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 42
- 239000000945 filler Substances 0.000 claims abstract description 38
- 150000004756 silanes Chemical class 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 16
- 239000003822 epoxy resin Substances 0.000 claims abstract description 14
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 14
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 14
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920003086 cellulose ether Polymers 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 4
- 230000033444 hydroxylation Effects 0.000 claims abstract description 3
- 238000005805 hydroxylation reaction Methods 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 13
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000008103 glucose Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 239000003242 anti bacterial agent Substances 0.000 claims description 2
- 239000002585 base Substances 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 2
- -1 defoamers Substances 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 239000002562 thickening agent Substances 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000012360 testing method Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 206010042496 Sunburn Diseases 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- 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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- 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
- C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09D109/06—Copolymers with styrene
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The invention relates to a corrosion-resistant acid-alkali-resistant water-based rubber coating and a preparation method thereof, wherein the corrosion-resistant acid-alkali-resistant water-based rubber coating comprises the following components in parts by weight: 50-150 parts of fluorocarbon resin, 50-150 parts of epoxy resin, 50-150 parts of styrene-butadiene rubber, 10-30 parts of cellulose ether, 10-30 parts of modified filler, 10-30 parts of modified silane coupling agent and 1-10 parts of auxiliary agent; wherein the modified filler is a filler subjected to hydroxylation treatment; the modified silane coupling agent is a silane coupling agent polymer. According to the invention, fluorocarbon resin, epoxy resin and styrene-butadiene rubber are compounded, and the modified filler and the modified silane coupling agent are added, so that the prepared corrosion-resistant acid-alkali-resistant rubber coating can greatly improve the corrosion resistance of the product while ensuring the mechanical property of the product, overcomes the defects in the prior art, and has a good application prospect.
Description
Technical Field
The invention belongs to the field of rubber coatings, and particularly relates to a corrosion-resistant acid-alkali-resistant aqueous rubber coating and a preparation method thereof.
Background
With the development of social progress and consumption level, the market demand for high-performance anti-corrosion paint is higher and higher, and water-based rubber paint type commodity becomes one of the hot spots of current research.
The traditional corrosion-resistant coating takes organic resin as a main component, and simultaneously inorganic filler is added to realize corresponding functions, however, the compatibility of the inorganic filler and the organic resin is poor, so that the problem of uneven mixing is caused, the exertion of the corrosion resistance is influenced, and the protection effect is poor. In addition, in the practical application environment of the coating, the abrasion problem is inevitably encountered, however, the resin and the filler cannot be uniformly combined, the stability of the product is reduced, and the abrasion-resistant function is difficult to meet the practical requirements. Therefore, the paint has the defects of relatively poor acid and alkali resistance, stability, water resistance and mechanical property of the coating, and needs to be further improved.
In view of the foregoing, there is a need to develop a new technical solution to solve the problems existing in the prior art and meet the development requirements of the current market.
Disclosure of Invention
Based on the above, the invention discloses a corrosion-resistant acid-alkali-resistant water-based rubber coating and a preparation method thereof. According to the invention, fluorocarbon resin, epoxy resin and styrene-butadiene rubber are compounded, and the modified filler and the modified silane coupling agent are added, so that the prepared corrosion-resistant acid-alkali-resistant rubber coating can greatly improve the corrosion resistance of the product while ensuring the mechanical property of the product, overcomes the defects in the prior art, and has a good application prospect.
The invention aims at providing a corrosion-resistant acid-alkali-resistant water-based rubber coating, which comprises the following components in parts by weight:
wherein,
the modified filler is a filler subjected to hydroxylation treatment;
the modified silane coupling agent is a silane coupling agent polymer.
Further, the preparation method of the modified filler comprises the following steps:
soaking the filler in alkali liquor, performing ultrasonic treatment, washing, drying, mixing with glucose, performing ball milling treatment, washing, centrifuging, and drying to obtain the modified filler.
Further, the preparation method of the modified silane coupling agent comprises the following steps:
adding a silane coupling agent and a catalyst into a solvent, heating for reaction under an acidic condition, and removing the solvent to obtain the modified silane coupling agent.
Further, the filler is selected from one or more of carbon nanotubes, boron nitride, aluminum nitride, silicon carbide and graphene.
Further, the mass ratio of the filler to glucose is 1 (3-10).
Further, the silane coupling agent is selected from one or more of epoxy silane coupling agent and amino silane coupling agent.
Further, the temperature of the heating reaction is 40-90 ℃ and the time is 3-10h.
Further, the auxiliary agent is selected from one or more of dispersing agent, defoaming agent, thickening agent, antibacterial agent, antifreezing agent and film forming auxiliary agent.
The invention also provides a preparation method of the corrosion-resistant acid-alkali-resistant water-based rubber coating, which comprises the following steps:
adding fluorocarbon resin, epoxy resin, styrene-butadiene rubber and cellulose ether into a reaction kettle, uniformly stirring, adding modified filler and modified silane coupling agent, uniformly stirring, and adding an auxiliary agent to obtain the corrosion-resistant acid-alkali-resistant rubber coating.
The invention has the beneficial effects that:
according to the invention, a good synergistic effect can be generated by compounding the modified filler and the modified silane coupling agent, the modified filler is firstly soaked by adopting a sodium hydroxide solution, then mixed with glucose for ball milling, and a large number of hydroxyl functional groups are introduced into the surface, so that on one hand, the compatibility of the filler is enhanced, and on the other hand, the filler is easier to crosslink and combine with the modified silane coupling agent in subsequent treatment; the modified silane coupling agent is a silane coupling agent polymer, the component can form a net-shaped or chain-shaped structure, compared with the common silane coupling agent, the modified silane coupling agent has larger branching degree and larger functional group density, and epoxy groups or other functional groups of the modified silane coupling agent are easier to combine with other components such as modified filler, hydroxyl cellulose ether and resin materials to form a more compact and stable crosslinking structure, so that the coating product is endowed with stronger corrosion resistance and mechanical property, and compared with the prior art, the modified silane coupling agent has obviously improved performance and good application prospect.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the following examples are set forth. The starting materials, reactions and workup procedures used in the examples are those commonly practiced in the market and known to those skilled in the art unless otherwise indicated.
The words "preferred," "more preferred," and the like in the present disclosure refer to embodiments of the present disclosure that may provide certain benefits in some instances. However, other embodiments may be preferred under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
It should be understood that all numbers expressing, for example, amounts of ingredients used in the specification and claims, except in any operating example or otherwise indicated, are to be understood as being modified in all instances by the term "about". Accordingly, unless indicated to the contrary, the numerical parameters set forth in the following specification and attached claims are approximations that may vary depending upon the desired properties to be obtained by the present invention.
The fluorocarbon resin in the embodiment of the present invention is the japanese sunburn lunomilon 710.
The epoxy resin in the embodiment of the invention is bisphenol A type epoxy resin (E-12).
The styrene-butadiene rubber in the embodiment of the invention is solution polymerized styrene-butadiene rubber SSBR1502.
The cellulose ether in the embodiment of the invention is methyl hydroxypropyl cellulose.
The auxiliary agent in the embodiment of the invention is film forming auxiliary agent ethylene glycol butyl ether.
The preparation method of the modified filler in the embodiment of the invention comprises the following steps:
soaking boron nitride powder in 5mol/L sodium hydroxide solution, performing ultrasonic treatment for 3 hours, washing to be neutral, mixing with glucose (boron nitride: glucose=1:5, m/m) after drying, performing ball milling treatment (ball material ratio 5:1), washing, centrifuging, and drying to obtain the modified filler.
The preparation method of the modified silane coupling agent in the embodiment of the invention comprises the following steps:
KH-561 and hydrochloric acid (KH-561 mass 2%) were added to the mixed solution of ethanol and water (KH-561: ethanol: water=5:10:1000, v/v/v), pH=3 was adjusted, stirred at 60℃for 5 hours, and then the solvent was pumped by vacuum pump to obtain the modified silane coupling agent.
Example 1
The corrosion-resistant acid-alkali-resistant water-based rubber coating comprises the following components in parts by weight:
the preparation method of the corrosion-resistant acid-alkali-resistant aqueous rubber coating comprises the following steps:
adding fluorocarbon resin, epoxy resin, styrene-butadiene rubber, cellulose ether and deionized water into a reaction kettle according to the parts by weight, uniformly stirring, adding modified filler and modified silane coupling agent, uniformly stirring, and adding an auxiliary agent to obtain the corrosion-resistant acid-alkali-resistant rubber coating.
Example 2
The corrosion-resistant acid-alkali-resistant water-based rubber coating comprises the following components in parts by weight:
the preparation method of the corrosion-resistant acid-alkali-resistant aqueous rubber coating comprises the following steps:
adding fluorocarbon resin, epoxy resin, styrene-butadiene rubber, cellulose ether and deionized water into a reaction kettle according to the parts by weight, uniformly stirring, adding modified filler and modified silane coupling agent, uniformly stirring, and adding an auxiliary agent to obtain the corrosion-resistant acid-alkali-resistant rubber coating.
Example 3
The corrosion-resistant acid-alkali-resistant water-based rubber coating comprises the following components in parts by weight:
the preparation method of the corrosion-resistant acid-alkali-resistant aqueous rubber coating comprises the following steps:
adding fluorocarbon resin, epoxy resin, styrene-butadiene rubber, cellulose ether and deionized water into a reaction kettle according to the parts by weight, uniformly stirring, adding modified filler and modified silane coupling agent, uniformly stirring, and adding an auxiliary agent to obtain the corrosion-resistant acid-alkali-resistant rubber coating.
Example 4
The corrosion-resistant acid-alkali-resistant water-based rubber coating comprises the following components in parts by weight:
the preparation method of the corrosion-resistant acid-alkali-resistant aqueous rubber coating comprises the following steps:
adding fluorocarbon resin, epoxy resin, styrene-butadiene rubber, cellulose ether and deionized water into a reaction kettle according to the parts by weight, uniformly stirring, adding modified filler and modified silane coupling agent, uniformly stirring, and adding an auxiliary agent to obtain the corrosion-resistant acid-alkali-resistant rubber coating.
Example 5
The corrosion-resistant acid-alkali-resistant water-based rubber coating comprises the following components in parts by weight:
the preparation method of the corrosion-resistant acid-alkali-resistant aqueous rubber coating comprises the following steps:
adding fluorocarbon resin, epoxy resin, styrene-butadiene rubber, cellulose ether and deionized water into a reaction kettle according to the parts by weight, uniformly stirring, adding modified filler and modified silane coupling agent, uniformly stirring, and adding an auxiliary agent to obtain the corrosion-resistant acid-alkali-resistant rubber coating.
Example 6
The corrosion-resistant acid-alkali-resistant water-based rubber coating comprises the following components in parts by weight:
the preparation method of the corrosion-resistant acid-alkali-resistant aqueous rubber coating comprises the following steps:
adding fluorocarbon resin, epoxy resin, styrene-butadiene rubber, cellulose ether and deionized water into a reaction kettle according to the parts by weight, uniformly stirring, adding modified filler and modified silane coupling agent, uniformly stirring, and adding an auxiliary agent to obtain the corrosion-resistant acid-alkali-resistant rubber coating.
Comparative example 1
The difference between this comparative example and example 1 is that: the same mass of KH-561 was used instead of the modified silane coupling agent, and other materials and preparation methods were the same as in example 1.
Comparative example 2
The difference between this comparative example and example 1 is that: the modified filler was replaced with equal mass of boron nitride, and other materials and preparation methods were the same as in example 1.
Test example 1
The aqueous rubber coatings prepared in example 1 and comparative examples 1-2 were subjected to performance testing.
The testing method comprises the following steps: coating the water-based rubber coating on the surface of a metal tinplate, drying to obtain a sample, and soaking the sample in water at room temperature to perform a water resistance test; soaking with 10% HCl and 10% NaOH for acid and alkali resistance test; the samples were placed in a salt spray box for salt spray resistance testing.
The test results are shown in Table 1.
TABLE 1 Performance test results
According to the table 1, the modified silane coupling agent and the modified filler are compounded in the corrosion-resistant acid-alkali-resistant rubber coating prepared in the embodiment 1 of the invention, so that the mechanical property, acid-base resistance and corrosion resistance of the product are effectively improved, and each property is obviously better than that of the comparative examples 1-2 of the replacement components.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. The corrosion-resistant acid-alkali-resistant water-based rubber coating is characterized by comprising the following components in parts by weight:
50-150 parts of fluorocarbon resin
50-150 parts of epoxy resin
50-150 parts of styrene butadiene rubber
10-30 parts of cellulose ether
10-30 parts of modified filler
10-30 parts of modified silane coupling agent
1-10 parts of an auxiliary agent;
wherein,
the modified filler is a filler subjected to hydroxylation treatment;
the modified silane coupling agent is a silane coupling agent polymer;
the auxiliary agent is one or more selected from dispersing agents, defoamers, thickeners, antibacterial agents, antifreezing agents and film forming auxiliary agents;
the preparation method of the modified filler comprises the following steps:
soaking the filler in alkali liquor, performing ultrasonic treatment, washing, drying, mixing with glucose, performing ball milling treatment, washing, centrifuging and drying to obtain the modified filler;
the mass ratio of the filler to the glucose is 1 (3-10);
the preparation method of the modified silane coupling agent comprises the following steps:
adding a silane coupling agent and a catalyst into a solvent, heating for reaction under an acidic condition, and then removing the solvent to obtain the modified silane coupling agent;
the silane coupling agent is selected from one or more of epoxy silane coupling agents and amino silane coupling agents;
the temperature of the heating reaction is 40-90 ℃ and the time is 3-10h.
2. The corrosion-resistant acid-base resistant water-based rubber coating according to claim 1, wherein the filler is one or more selected from the group consisting of carbon nanotubes, boron nitride, aluminum nitride, silicon carbide and graphene.
3. The method for preparing the corrosion-resistant acid-alkali-resistant aqueous rubber coating according to any one of claims 1 to 2, comprising the steps of:
adding fluorocarbon resin, epoxy resin, styrene-butadiene rubber and cellulose ether into a reaction kettle, uniformly stirring, adding modified filler and modified silane coupling agent, uniformly stirring, and adding an auxiliary agent to obtain the corrosion-resistant acid-alkali-resistant rubber coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310384955.0A CN116426172B (en) | 2023-04-12 | 2023-04-12 | Corrosion-resistant acid-alkali-resistant water-based rubber coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310384955.0A CN116426172B (en) | 2023-04-12 | 2023-04-12 | Corrosion-resistant acid-alkali-resistant water-based rubber coating and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116426172A CN116426172A (en) | 2023-07-14 |
| CN116426172B true CN116426172B (en) | 2024-01-12 |
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| CN202310384955.0A Active CN116426172B (en) | 2023-04-12 | 2023-04-12 | Corrosion-resistant acid-alkali-resistant water-based rubber coating and preparation method thereof |
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| CN113845842A (en) * | 2021-10-26 | 2021-12-28 | 华南理工大学 | Hyperbranched epoxy oligosiloxane high-wear-resistant heavy-duty anticorrosive paint and preparation method and application thereof |
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| US6407225B1 (en) * | 1995-12-21 | 2002-06-18 | The Dow Chemical Company | Compositions comprising hydroxy-functional polymers |
| WO2017188175A1 (en) * | 2016-04-27 | 2017-11-02 | 東レ株式会社 | Carbon nanotube dispersion, method for producing same, and conductive molded body |
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