CN107936657A - It is a kind of using aqueous rust-conversion rust-inhibiting primer of REPVDC resin aqueous emulsions and preparation method thereof - Google Patents
It is a kind of using aqueous rust-conversion rust-inhibiting primer of REPVDC resin aqueous emulsions and preparation method thereof Download PDFInfo
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- CN107936657A CN107936657A CN201711215223.XA CN201711215223A CN107936657A CN 107936657 A CN107936657 A CN 107936657A CN 201711215223 A CN201711215223 A CN 201711215223A CN 107936657 A CN107936657 A CN 107936657A
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—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
- C08F214/02—Monomers containing chlorine
- C08F214/04—Monomers containing two carbon atoms
- C08F214/08—Vinylidene chloride
- C08F214/10—Vinylidene chloride with nitriles
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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
- 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
- C09D127/04—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 chlorine atoms
- C09D127/08—Homopolymers or copolymers of vinylidene chloride
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
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Abstract
The present invention relates to a kind of using aqueous rust-conversion rust-inhibiting primer of REPVDC resin aqueous emulsions and preparation method thereof, including following components：Deionized water, main transforming agent, assist conversion agent, emulsifying agent, defoamer, husky abrasive material, REPVDC lotions.Preparation method includes：Bottom material is added in dispersion machine according to formula and is stirred；Then husky abrasive material is added to continue to stir；REPVDC lotions are added, continue to stir；Thickener is eventually adding, continues to reduce rotating speed after stirring, defoam naturally, filling finished product.The REPVDC lotions that the present invention uses, barrier, adhesive force, coloring, wearability, impact flexibility, film forming high rigidity, storage stability are all very outstanding, 10 g/l of VOC content ＜, it can directly brush, be sprayed on hot-rolled steel component surface, conversion performance is good, antiseptic property is outstanding, has a good application prospect.
Description
Technical field
The invention belongs to antirust paint field, more particularly to a kind of aqueous rust using REPVDC resin aqueous emulsions converts
Anti-corrosive primer and preparation method thereof.
Background technology
With the continuous improvement of people's quality of life, environmental consciousness is also continuously available reinforcement and attention, world community government
Environmentally friendly matters are all classified as major tasks.Oiliness, the steel construction antirust paint (coating) of high VOC content are faced with " dying ",
Environment-friendly type aqueous steel construction antirust paint (coating) is needed to substitute.The water-base resin that oleoresin can be substituted at present has acrylic acid
Aqueous polymerization class lotion, epoxies Aqueous dispersions lotion, polyurethanes Aqueous dispersions lotion etc., the wherein acrylic acid of aqueous polymerization
The VOC content of lotion can accomplish 10 g/l of ＜, but epoxy, VOC≤200 g/l of polyurethane Aqueous dispersions lotion, press
According to European Union 80 g/l of environment-friendly water-based paint (coating) VOC ＜ standard perform if, quite a few existing water-base resin meeting
It is eliminated.In terms of another is exactly antiseptic property：Oil paint (coating) apply together, neutral salt spray test when 100-200 is small it
Between, adhesive force 5-10Mpa；Water paint (coating) apply together, neutral salt spray test when 50-100 is small between, adhesive force 3-
7Mpa。
Patent ZL 200610117077.2 discloses a kind of aqueous rust-conversion rust-inhibiting primer, is mainly used for having got rusty
Steel structure surface preservative treatment.But with the raising of production requirement, the performance of the priming paint has not reached market at present
It is required that.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of aqueous rust using REPVDC resin aqueous emulsions and turn
Change anti-corrosive primer and preparation method thereof, the REPVDC lotions which uses, barrier, adhesive force, coloring, wearability, punching
Hit that toughness, film forming high rigidity, storage stability are all very outstanding, and 10 g/l of VOC content ＜, can directly brush, be sprayed on
Hot-rolled steel component surface, conversion performance is good, and antiseptic property is outstanding, has a good application prospect.
The present invention provides a kind of aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions, by quality hundred
Divide ratio, including following components：
Deionized water：5-15%；
Main transforming agent：3-6%；
Assist conversion agent：1-3%；
Emulsifying agent：0.4-1.2%；
Defoamer：0.2-0.7%；
Husky abrasive material：20-35%；
REPVDC lotions：45-65%；Wherein,
The formula of the REPVDC lotions is：
It is described sand abrasive material formula be：
Deionized water：25-35%；
Emulsifying agent：5-10%；
Wetting agent：0.6-1.6%；
Dispersant：0.6-1.6%；
Defoamer：2-6%；
Coupling agent：3-7%；
Coalescents：1-5%；
Color stuffing：50-65%.
Further, the emulsifying agent is aliphatic alcohol polyethenoxy, aliphatic acid polyethenoxy ether, poly alkyl alcohol ethylene oxide
Phosphate or alkyl alcohol ethoxylates sodium sulfonate；The defoamer is mineral oil defoaming agent or organic silicon defoamer.
Further, the wetting agent is organic modified polyorganosiloxane dipropylene glycol monomethyl ether or ethyoxyl poly dimethyl silicon
Oxygen alkane；The dispersant is organic condensed phosphate or modified fatty alcohol polyethylene glycol oxide ether；The coupling agent is organosilan
Coupling agent；The coalescents are propandiol butyl ether, propylene glycol methyl ether acetate or alcohol ester 12；The color stuffing is titanium white
Powder, mica powder, polymer phosphate aluminium or barium sulfate.
Further, the main transforming agent is tannic acid；The assist conversion agent is phosphoric acid, phytic acid, oxalic acid or citric acid.
Further, the rare earth/metallic compound function monomer raw material composition include mother liquor, alicyclic organic, auxiliary agent and
Deionized water；Wherein, mother liquor includes rare earth compound or metallic compound, organic acid, organic amine and deionized water.
Further, the rare earth compound or metallic compound are rare earth or oxide, hydroxide or the salt of metal
In one or more.Wherein, the preferred low oxide of oxide, the preferred carbonate of salt.
Further, the rare earth is lanthanum, Shi, Eu, terbium or neodymium element；The metal for zinc, calcium, magnesium, manganese, copper, nickel,
Aluminium, niobium, molybdenum, ruthenium, tungsten, Lai Huo Hafnium elements.
Further, the organic acid is citric acid, in maleic acid, ethylenediamine tetra-acetic acid, succinic acid, adipic acid
It is one or more of.
Further, the organic amine is diethylamine, ethylenediamine, allyl amine, one kind in diethylenetriamines or several
Kind.
Preferably, the mother liquor by mass percentage, including：Rare earth compound or metallic compound 6-9%, organic acid
15%-25%, organic amine 10-20%, surplus are deionized water.
Further, the alicyclic organic is acrylate or epoxy-ester.
Further, the acrylate is ethyl acrylate, butyl acrylate, Isooctyl acrylate monomer, maleic acid
One or more in fourth diester；The epoxy-ester is one or both of epoxy aliphatic acid methyl ester, epoxy acrylate.
Further, the auxiliary agent includes catalyst and polymerization inhibitor, and the mass ratio of catalyst and polymerization inhibitor is 1:2-5.
Further, the catalyst is p-methyl benzenesulfonic acid；The polymerization inhibitor is hydroquinone, methylnaphthohydroquinone THQ, right
One or more in hydroxyanisol HQMME, p methoxy phenol MEHQ.
Preferably, the raw material forms by mass percentage, including mother liquor 18-28%, alicyclic organic 48-58%, auxiliary agent 0.1
~2%, surplus is deionized water.
Further, the composition of the mix monomer emulsifying agent includes emulsifying agent, wetting agent, Protection glue and deionized water.
Preferably, mix monomer emulsifying agent is by mass percentage (on the basis of lotion total amount), including：
Further, the composition of the bottom material include seed emulsion, emulsifying agent, wetting agent, Protection glue, pH adjusting agent and
Deionized water.
Preferably, bottom material is by mass percentage (on the basis of alloy emulsion total amount), including：
Preferably, the emulsifying agent is non-ionic fatty acid polyglycol ethylene oxide ether.
Preferably, the wetting agent is anionic fluorochemical surfactant or siliceous anion surfactant.
Preferably, the Protection glue is Phosphate Anionic Surfactants or sulfonate anionic surfactant.
Preferably, the pH adjusting agent is one kind in ammonium hydrogen carbonate, glacial acetic acid, diammonium hydrogen phosphate, potassium dihydrogen phosphate
It is or several.
The seed emulsion by mass percentage, including following components：
Preferably, the initiator includes initiator A and initiator B；Wherein, initiator A includes oxidant and deionization
Water；Initiator B includes reducing agent and deionized water.
Preferably, the oxidant is the one or more in hydrogen peroxide, ammonium persulfate, potassium peroxydisulfate.
Preferably, the reducing agent is the one or more in rongalite, sodium hydrogensulfite, hydrogen phosphite sodium.
Further, the additive amount of the stabilizer is the 4-6 ‰ of lotion gross mass.
The stabilizer by mass percentage (on the basis of lotion total amount), including：
Antioxidant 0.1-0.5 ‰；
Antioxidant 0.3-0.6 ‰；
Vinylidene chloride 4-5 ‰.
Preferably, the antioxidant is the one or more in BHT, 1010, TPP.
Preferably, the antioxidant is the one or more in UV-531, UV-9, UV-P, antioxidant H, antioxidant MB.
Present invention also offers a kind of preparation of the aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions
Method, including：
Bottom material is added in dispersion machine according to formula, rotating speed=400-500 revs/min, is stirred 20-30 minutes；Then
Husky abrasive material is added, continues stirring 20-30 minutes；REPVDC lotions are added, continue stirring 40-50 minutes；It is eventually adding thickening
Agent, reduces rotating speed, defoams naturally, filling finished product after continuing stirring 40-50 minutes.
The thickener is acrylic copolymer or magnesium alumino metasilicate.
The preparation method of husky abrasive material, including：
According to formula by deionized water, emulsifying agent, wetting agent, dispersant, defoamer, coalescents, coupling agent, the is imported
In one dispersion machine, rotating speed=400-500 revs/min, is stirred 30-40 minutes.Color stuffing is slowly added into again, while according to material
Stirring, properly increases the corresponding rotating speed of feeding quantity.After color stuffing adds, it is further continued for stirring and stops after forty minutes.Open cold
But water and sand mill, feed inlet is connected on the first dispersion machine, and discharge port is connected on the second dispersion machine, and the state depending on material adjusts
Suitable rotating speed.It is repeatedly husky to grind >=4 times.By last all over husky abrasive material, it is injected into the 3rd dispersion machine, after stirring 30 minutes, adds
Lid sealing, room temperature ageing curing >=72 it is small when after, could use.
Since rare earth element is abbreviated as " RE " in English, " RE " has the meaning traced back, remanufactured again, institute again in English
In order to distinguish the difference of existing PVDC materials, by the PVDC of rare earth/metal alloy of this copolymerization, to be named as REPVDC.
Beneficial effect
The REPVDC lotions that the present invention uses, barrier, adhesive force, coloring, wearability, impact flexibility, film forming are high hard
Degree property, storage stability are all very outstanding, and 10 g/l of VOC content ＜ can directly be brushed, is sprayed on hot-rolled steel component surface,
Conversion performance is good, and antiseptic property is outstanding, has a good application prospect.
Embodiment
With reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Scope.
The formula of function monomer in following embodiments is as follows：
Mother liquor formula such as following table：
| Title | Deionized water | Citric acid | Lanthanum carbonate | Diethylamine |
| Mass percent | 61.20% | 21.70% | 6.30% | 10.80% |
Function monomer formula such as following table：
| Title | Deionized water | Mother liquor | P-methyl benzenesulfonic acid | Hydroquinone | Ethyl acrylate |
| Mass percent | 25.20% | 24.60% | 0.20% | 0.68% | 49.32% |
This formula is only for example, and can prepare required function monomer in practical operation according to actual demand.
The formula of copolymerization REPVDC lotions in following embodiments is as follows：
Mix monomer
Mix monomer emulsifying agent
Bottom material
Initiator
Stabilizer：
This formula is only for example, and can prepare required REPVDC lotions in practical operation according to actual demand.
Embodiment 1
Husky abrasive material formula one：
Husky abrasive material formula two：
Husky abrasive material formula three
Backing material formula one：
Backing material formula two
Backing material formula three
Performance compares：
Operation instruction：
(1) hand work(polishing rust removal method：The steel construction piece that will have been got rusty, accomplishes derusting grade >=ST2 grades.This method is applicable in
Handled in the steel construction of small area.
1. after derusting, interior when 0-24 is small directly to brush, spray this product, rust-proof effect is good.
2. after derusting, rinse processed steel structure surface with the tap water of >=0.3Mpa, it is therefore an objective to remove steel construction
The soluble organic fraction on surface, then surface water mark do rear 0-24 it is small when it is interior, then brush, spray this product, rust-proof effect improves 20%
(2) mechanical derusting method：The steel construction piece that will have been got rusty, accomplishes derusting grade >=SA2 grades.This method is suitable for big
The processing of area steel construction.
1. with the ultra-high pressure water fluid jet of 200-250Mpa, steel structure surface is cleaned, remove its surface old paint film,
After rust, oxide skin, then interior, direct brushing, spraying this product when 24-48 is small, antirust effect performance raising 50%, can reach
Required steel structure surface processing requirement in theory.
2. after the processing of rust removing that sandblasts, then the tap water of use >=0.3Mpa rinses processed steel structure surface, it is therefore an objective to goes
Except the soluble organic fraction of steel structure surface, then surface water mark do rear 0-24 it is small when it is interior, then brush, spray this product, rust-proof effect carries
It is high by 20%
The present invention can directly brush, be sprayed on hot-rolled steel component surface, and conversion performance is good, and antiseptic property is outstanding.
Points for attention：This product is before use, have to reuse after with splash bar, mixer, this product is stirred evenly, if spray
Viscosity is excessive during painting, can add a small amount of tap water dilution, it is impossible to and it is excessive, it otherwise can influence antiseptic property.
Claims (10)
- A kind of 1. aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions, it is characterised in that：By quality percentage Than, including following components：Deionized water：5-15%；Main transforming agent：3-6%；Assist conversion agent：1-3%；Emulsifying agent：0.4-1.2%；Defoamer：0.2-0.7%；Husky abrasive material：20-35%；REPVDC lotions：45-65%.
- 2. a kind of aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions according to claim 1, its It is characterized in that：It is described sand abrasive material formula be：Deionized water：25-35%；Emulsifying agent：5-10%；Wetting agent：0.6-1.6%；Dispersant：0.6-1.6%；Defoamer：2-6%；Coupling agent：3-7%；Coalescents：1-5%；Color stuffing：50-65%.
- 3. a kind of aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions according to claim 1 or 2, It is characterized in that：The emulsifying agent is aliphatic alcohol polyethenoxy, aliphatic acid polyethenoxy ether, fatty alcohol polyoxyethylene phosphate ester Or alkyl alcohol ethoxylates sodium sulfonate；The defoamer is mineral oil defoaming agent or organic silicon defoamer.
- 4. a kind of aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions according to claim 2, its It is characterized in that：The wetting agent is organic modified polyorganosiloxane dipropylene glycol monomethyl ether or ethyoxyl dimethyl silicone polymer；Institute It is organic condensed phosphate or modified fatty alcohol polyethylene glycol oxide ether to state dispersant；The coupling agent is organo silane coupling agent； The coalescents are propandiol butyl ether, propylene glycol methyl ether acetate or alcohol ester 12；The color stuffing is titanium dioxide, mica Powder, polymer phosphate aluminium or barium sulfate.
- 5. a kind of aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions according to claim 1, its It is characterized in that：The main transforming agent is tannic acid；The assist conversion agent is phosphoric acid, phytic acid, oxalic acid or citric acid.
- 6. a kind of aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions according to claim 1, its It is characterized in that：The formula of the REPVDC lotions is：。
- 7. a kind of aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions according to claim 6, its It is characterized in that：The raw material composition of the rare earth/metallic compound function monomer includes mother liquor, alicyclic organic, auxiliary agent and deionized water； Wherein, mother liquor includes rare earth compound or metallic compound, organic acid, organic amine and deionized water.
- 8. a kind of aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions according to claim 6, its It is characterized in that：The seed emulsion by mass percentage, including following components：。
- A kind of 9. preparation of the aqueous rust-conversion rust-inhibiting primer as claimed in claim 1 using REPVDC resin aqueous emulsions Method, including：Bottom material is added in dispersion machine according to formula, rotating speed=400-500 revs/min, is stirred 20-30 minutes；Then add Husky abrasive material, continues stirring 20-30 minutes；REPVDC lotions are added, continue stirring 40-50 minutes；Thickener is eventually adding, after Continuous stirring reduces rotating speed, defoams naturally, filling finished product after 40-50 minutes.
- 10. a kind of aqueous rust-conversion rust-inhibiting primer using REPVDC resin aqueous emulsions according to claim 9 Preparation method, it is characterised in that：The thickener is acrylic copolymer or magnesium alumino metasilicate.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108948929A (en) * | 2018-06-08 | 2018-12-07 | 阜南县星光工艺品有限公司 | A kind of preparation method of cool feeling wicker products |
| CN109611350A (en) * | 2018-11-26 | 2019-04-12 | 振欣透平机械有限公司 | A kind of magnetic suspension chlorine gas cooling |
| CN110205030A (en) * | 2019-05-29 | 2019-09-06 | 张家港市天源制漆涂装有限公司 | A kind of aqueous bottom surface unification coating and preparation method thereof |
| CN111253822A (en) * | 2020-03-13 | 2020-06-09 | 河南颂源涂料有限公司 | Rust conversion type environment-friendly coating and preparation method thereof |
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| CN104028312A (en) * | 2013-12-20 | 2014-09-10 | 江苏佳华新材料科技有限公司 | A preparing method of a rare earth catalytic cracking double-metal deactivator |
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| CN101003706A (en) * | 2007-01-15 | 2007-07-25 | 东阳市野风塑胶有限公司 | Rustproofing primer of aqueous polyvinylidene chloride, and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108948929A (en) * | 2018-06-08 | 2018-12-07 | 阜南县星光工艺品有限公司 | A kind of preparation method of cool feeling wicker products |
| CN108948929B (en) * | 2018-06-08 | 2020-09-29 | 临沭青源工艺品有限公司 | Preparation method of cool wicker product |
| CN109611350A (en) * | 2018-11-26 | 2019-04-12 | 振欣透平机械有限公司 | A kind of magnetic suspension chlorine gas cooling |
| CN109611350B (en) * | 2018-11-26 | 2020-08-25 | 振欣透平机械有限公司 | Magnetic suspension chlorine gas turbine compressor |
| CN110205030A (en) * | 2019-05-29 | 2019-09-06 | 张家港市天源制漆涂装有限公司 | A kind of aqueous bottom surface unification coating and preparation method thereof |
| CN111253822A (en) * | 2020-03-13 | 2020-06-09 | 河南颂源涂料有限公司 | Rust conversion type environment-friendly coating and preparation method thereof |
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