CN107099248A - A kind of anticorrosive paint and preparation method thereof - Google Patents

A kind of anticorrosive paint and preparation method thereof Download PDF

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Publication number
CN107099248A
CN107099248A CN201710484275.0A CN201710484275A CN107099248A CN 107099248 A CN107099248 A CN 107099248A CN 201710484275 A CN201710484275 A CN 201710484275A CN 107099248 A CN107099248 A CN 107099248A
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parts
coating
coating according
present
anticorrosive paint
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华娜
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D185/00Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon; Coating compositions based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/10Anti-corrosive paints containing metal dust
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • C09D7/62Additives non-macromolecular inorganic modified by treatment with other compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/0881Titanium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to a kind of anticorrosive paint and preparation method thereof, it is made up of by weight following raw material:5~30 parts of poly- 10~30 parts of nm-class Ti polymer, 10~20 parts of Petropols, 5~12 parts of vinyl chloride-vinyl acetate resin, 1~30 part of polyamine, 1~15 part of nano silicon, 5~15 parts of Mn ZrC composite granules, 0.1~10 part of dispersant, 0.1~6 part of modified alta-mud, 1~5 part of titanium nano particle, 1~3 part of aquadag micro mist, 2~8 parts of fast extrude in carbon black N550 and organic solvent.Coating provided by the present invention is free of any heavy metal material, and salt-fog resistant time is more than 4100 hours, and the wet-heat resisting time is more than 4100 hours, and with excellent mechanical property.

Description

A kind of anticorrosive paint and preparation method thereof
Technical field
The present invention relates to corrosion-resistant field, more particularly to a kind of anticorrosive paint and preparation method thereof.
Background technology
Anticorrosive paint refers to for relatively conventional anticorrosive paint, can be applied in relatively harsh corrosive environment, and have The class anticorrosive paint of protection period longer than conventional anticorrosive paint can be reached.Anticorrosive paint main application fields have:1. it is emerging Ocean engineering:Offshore Units, seashore and bay structure, offshore oil platform;2. Modern Traffic is transported:Freeway guardrail, Bridge, ships and light boats, container, train and railway facility, automobile, airport installation;3. energy industry:Water conservancy project equipment, water pot, benzin Control equipment, oil stockpile equipment (oil pipe, oil tank), power transmission and transforming equipment, nuclear power, colliery;4. large size industrial enterprise:Paper making equipment, Medical equipment, food chemistry equipment, canister inside and outside wall, chemical industry, steel, the pipeline of petrochemical plant, storage tank, mine smelting, water Mud plant, the ground for having corrosive medium, wall cement components;5. urban operating mechanism:Gas piping and its facility (such as gas chamber), Natural gas line, drinking-water facility, refuse treatment plant etc..
Marine Antifouling Paint refers to the anticorrosive coating used in marine environment.Because marine environment is very harsh and With severe corrosive, therefore, marine anticorrosion erosion is the middle problem for being badly in need of conscientiously studying of China's ocean engineering hair.
Anticorrosive paint conventional on the market above-mentioned at present can not meet demand in newly built construction, frontier, mainly Show:For example salt spray resistance is not high, is usually no more than 1000 hours;Comprehensive anticorrosive performance is single, acidproof alkaline error;Anti-corrosion is applied Contain plurality of heavy metal (lead, chromium etc.) in material, the defect such as pollute to human body and to environment.
CN103205181A discloses a kind of nanometer anticorrosive paint, and fraction by weight contains following component:Poly- titanium nanometer 20~70 parts of polymer, 1~30 part of polyamine, 1~20 part of the nano combined conductive fiber of polypyrrole base, nano silicon 1~15 Part, 0.1~10 part of dispersant, 0.1~6 part of modified alta-mud, 5~30 parts of organic solvent.Its coating provided is without any Heavy metal material, and salt-fog resistant time, more than 3000 hours, acid and alkali-resistance is more than 1000 hours, however, using it for ocean engineering In, it still can within a short period of time be corroded, moreover, its mechanical property is poor, be stopped intolerant to seawater scouring, sea ice collision, ship When abrasion etc..
Therefore, the mechanical property of anticorrosive paint how is lifted, and ensures that its excellent corrosion resistance turns into and is ground at present The emphasis studied carefully.
The content of the invention
To solve the deficiencies in the prior art, the invention provides a kind of anticorrosive paint, coating provided by the present invention it is resistance to The salt fog time is more than 4100 hours, and the wet-heat resisting time is more than 4100 hours, and with excellent mechanical property.
For up to this purpose, present invention employs following technical scheme:
The invention provides a kind of anticorrosive paint, it is made up of by weight following raw material:
The present invention in coating by increasing Petropols, vinyl chloride-vinyl acetate resin and Mn-ZrC composite granules and titanium nanometer Grain, aquadag micro mist and fast extrude in carbon black, can make coating adapt to ocean engineering environment, except with excellent antiseptic property Outside, its salt-fog resistant time is more than 4100 hours, and the wet-heat resisting time is more than 4100 hours, moreover, also there is excellent mechanical property, Can be resistant to seawater scouring, sea ice collision, the abrasion etc. when ship is stopped.
In the anticorrosive paint of the present invention, fraction contains following component by weight:Poly- 10~30 parts of nm-class Ti polymer, for example For 12 parts, 15 parts, 18 parts, 20 parts, 21 parts, 22 parts, 23 parts, 24 parts, 25 parts, 26 parts, 27 parts, 28 parts, 29 parts etc., preferably 12 ~25 parts;10~20 parts of Petropols, for example, 12 parts, 15 parts, preferably 18 parts, 19 parts etc., 12~18 parts;Vinyl chloride-vinyl acetate resin 5 ~12 parts, for example, 6 parts, 7 parts, 8 parts, preferably 10 parts, 11 parts etc., 8~10 parts;1~30 part of polyamine, for example, 3 parts, 6 parts, 9 parts, 14 parts, 18 parts, 20 parts, 25 parts, 27 parts etc., more preferably preferably 5~25 parts, 5~20 parts;Nano silicon 1~15 part, for example, 3 parts, 5 parts, 8 parts, 10 parts, 12 parts, 14 parts etc., more preferably preferably 3~10 parts, 3~7 parts; Mn-ZrC 5~15wt% of composite granule, for example, 5 parts, 6 parts, 8 parts, 10 parts, 14 parts, 15 parts etc.;0.1~10 part of dispersant, example Such as it is 0.3 part, 0.6 part, 1 part, 3 parts, 6 parts, 8 parts;0.1~6 part of modified alta-mud, for example, 0.3 part, 0.6 part, 0.9 part, 1.5 parts, 2 parts, 3 parts, 3.5 parts, 4.4 parts, 5.2 parts, 5.7 parts etc.;5~30 parts of organic solvent, for example, 7 parts, 9 parts, 13 parts, 16 Part, 19 parts, 22 parts, 27 parts, 29 parts etc..
As preferred technical scheme, described coating, by weight fraction are made up of following raw material:
It is further preferred that described coating, by weight fraction are made up of following raw material:
In the present invention, the modified alta-mud is organic modified bentonite.
In the present invention, the organic solvent is benzene kind solvent.
In the present invention, described organic solvent is benzene, toluene or dimethylbenzene, or its mixture, preferably dimethylbenzene.
In the present invention, it is 3 in mass ratio by Mo powders, ZrC powders that the Mn-ZrC composite granules, which are,:(1-2) passes through machine The realization of tool ball-milling method is uniformly mixed and prepared, wherein, the particle diameter of the Mo powders is 50-100 μm, and purity is more than 95 parts; The particle diameter of ZrC powders is 10-100 μm, and purity is more than 95 parts.
Nano silicon particle diameter very little, superficial attractive forces are strong, and surface can be big, and chemical purity is high, dispersive property is good, heat There is special performance in terms of resistance, resistance, and with superior stability, reinforcing, thickening property and thixotropy.Nanometer two Silica has tridimensional network, possesses huge specific surface area, shows great activity, can be formed when coating is dried Network structure, while adding the intensity and finish of coating, and improves the suspension of pigment, can keep the color of coating Do not fade for a long time.
Scattered, the electro-wetting principle of dispersant in coating, one be dispersant adsorption in powder particles, by the powder particles of cohesion Moistening;Two be that macromolecule dispersing agent is adsorbed on powder particles surface, and increase pigment and the interparticle surface charge of inserts are improved Interparticle electrostatic repulsion, and effectively increase interparticle steric hindrance, makes in liquid that powder particles are stable to be dispersed into May.Divided according to molecular structure, dispersant is generally divided into two major classes:Inorganic dispersant and organic dispersing agent.Inorganic dispersant In it is in the majority with polyphosphoric acid salt, such as calgon, PTPP, sodium polyphosphate and tetrapotassium pyrophosphate.Its machine acted on Reason is, by hydrogen bond and chemisorbed, to play electrostatic repulsion stabilization.Its advantage is to inorganic pigment and inserts dispersion effect It is good, but with the rise of pH value and temperature, polyphosphate is easily hydrolyzed, it is not good to extended storage stability.Organic dispersing agent bag Include polyacrylate, polyamine/maleic acid salt, polyisobutene/maleic acid salt etc..Their the characteristics of is, Strong absorption or anchorage effect are produced on powder surface, with longer strand to form steric hindrance, the end of the chain has water solubility, The also auxiliary result for having electrostatic repulsion, reaching stabilization having.
Organic dispersing agent is different because of its molecular weight, and performance can be different;Low-molecular-weight type dispersant has one or many The individual polar group being spatially close, they are adsorbed in surface of pigments, and stabilizing powder particle is carried out with spatial masking effect, so that Decline viscosity, this kind of dispersant is mainly used in inorganic pigment, because inorganic pigment is ionic structure, there is higher surface pole Property, dispersant is easy to absorption.And organic pigment is because of its surface group containing C, H, O, no ion activity, so often using HMW Dispersant, there is the more group that sticks to adsorb on the surface of organic pigment, it can form lasting suction on organic pigment Attached layer.But the molecular weight of dispersant too great Yi flocculates.So should be according to pigment and inserts type during the type of selection dispersant And select.Dispersant used in the present invention can be organic dispersing agent, preferably acrylic copolymer solution, further preferably For BYK2020 dispersant.
Modified bentonite is added in the present invention can assign coating certain thixotropy and structural viscosity, play the anti-settling work of thickening With.Organic amine used in modified alta-mud of the present invention can be n-octyl amine, lauryl amine, cetylamine, octadecylamine, cetyl front three Base ammonium bromide or acrylamide etc..
Organic solvent used mainly plays diluting effect in the present invention, with adjusting coating viscosity.
The anticorrosive paint that the present invention is provided, can also include coating in conven-tional adjuvants, such as pigment, thickener, preservative, Mixture more than one or both of defoamer etc..
The addition of conven-tional adjuvants can make it that obtained coating property is more outstanding.It is predetermined that pigment can have coating Color and luster, pigment of the invention is preferably free of the anti-corrosion paint of heavy metal, such as red lead, zinc yellow, trbasic zinc phosphate, strontium chromate and zinc molybdate. Thickener can cause coating to have preferable thixotropy, and the present invention selects nonionic polyurethane class compound.Preservative energy Enough suppress the fungus growth in coating, coating is kept steady quality.Preservative of the present invention is preferably OIT.Defoamer Foam can be suppressed, make to be not likely to produce shrinkage cavity and flake during coating application, defoamer of the invention can use hydrophobic silica And the mixture of mineral oil.The addition of conven-tional adjuvants can be added according to the general knowledge of those skilled in the art.
The preparation method of heretofore described coating, comprises the following steps:
First poly- nm-class Ti polymer, Petropols, vinyl chloride-vinyl acetate resin, polyamine and dispersant are mixed, then will be obtained Mixture and nano silicon, Mn-ZrC composite granules, modified alta-mud, titanium nano particle, aquadag micro mist, fast extrusion Carbon black N550 and organic solvent are mixed, so as to obtain the coating.
Coating provided by the present invention can be also made by conventional preparation method.
Compared with prior art, the present invention at least has the advantages that:
The anticorrosive paint that the present invention is provided has excellent mechanical property, when sea water resistance is washed away, sea ice is collided, ship is stopped Wear resistance it is strong, and with excellent decay resistance, salt-fog resistant time is more than 4100 hours, and the wet-heat resisting time is more than 4100 hours, and with excellent mechanical property.
Embodiment
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation Example is used only for help and understands the present invention, is not construed as the concrete restriction to the present invention.
Unless specific instructions, various raw materials of the invention can be by being commercially available;Or according to the routine side of this area Method is prepared.Unless otherwise defined or described herein, all specialties used herein are ripe with art technology with scientific words Practice meaning known to personnel identical.In addition any method similar or impartial to described content and material all can be applied to this In inventive method.
The experimental method of unreceipted actual conditions, is generally determined according to national standard in the following example.If without corresponding National standard, then according to general international standard, normal condition or according to proposed by manufacturer condition carry out.Unless Illustrate in addition, otherwise all numbers are parts by weight, all percentages are weight percentage.
The preparation method of heretofore described coating, comprises the following steps:
First poly- nm-class Ti polymer, Petropols, vinyl chloride-vinyl acetate resin, polyamine and dispersant are mixed, then will be obtained Mixture and nano silicon, Mn-ZrC composite granules, modified alta-mud, titanium nano particle, aquadag micro mist, fast extrusion Carbon black N550 and organic solvent are mixed, so as to obtain the coating.
Embodiment 1
A kind of anticorrosive paint, it is made up of following raw material by weight:
The preparation method of the coating is:
First poly- nm-class Ti polymer, Petropols, vinyl chloride-vinyl acetate resin, polyamine and dispersant are mixed, then will be obtained Mixture and nano silicon, Mn-ZrC composite granules, modified alta-mud, titanium nano particle, aquadag micro mist, fast extrusion Carbon black N550 and organic solvent are mixed, so as to obtain the coating.
Embodiment 2
A kind of anticorrosive paint, it is made up of following raw material by weight:
The preparation method be the same as Example 1 of the coating.
Embodiment 3
A kind of anticorrosive paint, it is made up of following raw material by weight:
The preparation method be the same as Example 1 of the coating.
Comparative example 1
A kind of anticorrosive paint, it is made up of following raw material by weight:
The preparation method be the same as Example 1 of the coating.
Comparative example 2
A kind of anticorrosive paint, it is made up of following raw material by weight:
The preparation method be the same as Example 1 of the coating.
Comparative example 3
A kind of anticorrosive paint, it is made up of following raw material by weight:
The preparation method be the same as Example 1 of the coating.
Performance test:
Tested according to ISO 12944, NORSOK M501, NACE SP0108 anti-corrosion standards related to ISO 20340.
After tested, embodiment 1-3 coating tests 4000h, hot resistance test 4000h through salt spray resistance (salt solution) and circulation is rotten Corrosion test 4200h test, as a result shows without exception, and it shows that provided coating is free of any heavy metal material, And salt-fog resistant time is more than 4100 hours, the wet-heat resisting time is more than 4100 hours, and with excellent mechanical property;And comparative example 1-3 coating shows abnormal after same test, as a result.
It can thus be seen that the anticorrosive paint in the present invention has excellent Corrosion Protection, it can be advantageously applied to In ocean engineering, the security of extra large work facility is greatly improved, with great application value.
Applicant states that the present invention illustrates detailed process equipment and the technological process of the present invention by above-described embodiment, But the invention is not limited in above-mentioned detailed process equipment and technological process, that is, do not mean that the present invention has to rely on above-mentioned detailed Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention, Addition, selection of concrete mode of equivalence replacement and auxiliary element to each raw material of product of the present invention etc., all fall within the present invention's Within the scope of protection domain and disclosure.

Claims (8)

1. a kind of anticorrosive paint, it is characterised in that be made up of by weight following raw material:
2. coating according to claim 1, it is characterised in that fraction is made up of following raw material by weight:
3. coating according to claim 1, it is characterised in that fraction is made up of following raw material by weight:
4. the coating according to claim any one of 1-3, it is characterised in that the modified alta-mud is organically-modified swelling Soil.
5. the coating according to claim any one of 1-4, it is characterised in that the organic solvent is benzene kind solvent.
6. coating according to claim 5, it is characterised in that described organic solvent is benzene, toluene or dimethylbenzene, or its Mixture.
7. coating according to claim 6, it is characterised in that described organic solvent is dimethylbenzene.
8. the preparation method of the coating according to claim any one of 1-7, it is characterised in that comprise the following steps:
First poly- nm-class Ti polymer, Petropols, vinyl chloride-vinyl acetate resin, polyamine and dispersant are mixed, then by obtained mixing Thing and nano silicon, Mn-ZrC composite granules, modified alta-mud, titanium nano particle, aquadag micro mist, fast extrude in carbon black N550 and organic solvent are mixed, so as to obtain the coating.
CN201710484275.0A 2017-06-23 2017-06-23 A kind of anticorrosive paint and preparation method thereof Pending CN107099248A (en)

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Application Number Priority Date Filing Date Title
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306047A (en) * 2000-12-14 2001-08-01 薛峻峰 Nm-class Ti polymer paint
CN101638483A (en) * 2008-08-01 2010-02-03 张驰 Nano organic titanium polymer, coating thereof and manufacturing method thereof
CN106634455A (en) * 2016-10-21 2017-05-10 过冬 Heavy-duty anticorrosion paint for ocean engineering and preparation method of heavy-duty anticorrosion paint

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306047A (en) * 2000-12-14 2001-08-01 薛峻峰 Nm-class Ti polymer paint
CN101638483A (en) * 2008-08-01 2010-02-03 张驰 Nano organic titanium polymer, coating thereof and manufacturing method thereof
CN106634455A (en) * 2016-10-21 2017-05-10 过冬 Heavy-duty anticorrosion paint for ocean engineering and preparation method of heavy-duty anticorrosion paint

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
薛富津等: "铂纳米聚台物涂料的制备和应用", 《涂料工业》 *

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