CN109134736A - A kind of anticorrosive paint aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex and preparation method thereof - Google Patents
A kind of anticorrosive paint aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex and preparation method thereof Download PDFInfo
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- CN109134736A CN109134736A CN201810647450.8A CN201810647450A CN109134736A CN 109134736 A CN109134736 A CN 109134736A CN 201810647450 A CN201810647450 A CN 201810647450A CN 109134736 A CN109134736 A CN 109134736A
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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
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/40—Redox systems
-
- 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
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of anticorrosive paint aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex and preparation method thereof, are prepared by weight by following components: 70-85 parts of vinylidene chloride, 3-10 parts of aggretion type function monomer, 8-20 parts of acrylate monomer, 8-12 parts of bisphenol-A epoxide vinylester resin, 3-6 parts of aqueous alkide resin, 2-5 parts of unsaturated fatty acid, 1-3 parts of compound emulsifying agent, 0.3-0.8 parts of initiator, 0.3-0.8 parts of reducing agent, 0.1-0.5 parts of stabilizer, 0.1-0.5 parts of antioxidant, 80-150 parts of deionized water.The present invention by the copolymerization preparation of a variety of vinyl-containing monomers latex stability is good, uniform particle sizes, cohesive force are strong, the film formed after coating is dry has the excellent properties such as oxygen barrier moisture-proof, corrosion resistance, and film is transparent for a long time, does not turn yellow, environment-protecting and non-poisonous.
Description
Technical field
The present invention relates to a kind of anticorrosive paints, and in particular to a kind of semi-continuous seed emulsion polymerization method prepares aqueous polyvinylidene two
Vinyl chloride-acrylate copolymer latex.
Background technique
Currently, the emphasis that the anticorrosive paint of Harmless develops is water-based anticorrosive paint, in terms of anticorrosive paint field
Using in rising trend, such as infrastructure, power industry and container, ship and chemical industry etc..Water alcohol acid, pure C
Or vinyl acetate-acrylic latex paint and a variety of water-dispersed paints etc. all once had the example of application at home, but since above-mentioned coating is total
Body performance is poor, and majority is served only for low-end product of less demanding.In recent years, a kind of novel polyvinylidene chloride-acrylate
Copolymer latex start be applied to protecting metallic surface coating, because its be free of inflammable and toxic solvent, film with it is good every
Oxygen waterproof performance can substantially reduce corrosion of metal speed, steel offer can be effectively protected in extreme conditions, together
When this kind of coating lower cost can also be brought to user, obtained wide application in anti-corrosion of metal field.
Polyvinylidene chloride-acrylic ester copolymer latex is that a kind of barrier property is high, toughness is strong and the good material of chemical stability
Material, and there is excellent oil resistant, corrosion-resistant, guarantor's taste and oxygen barrier moisture-proof and fungicidal properties, it has been widely used in food, paper
, cosmetics and military supplies etc. are various needs the demanding product packaging of the barrier such as oxygen barrier anti-corrosion, moisture-proof, the oil removal permeation-proof of water proof
Field.
By consulting pertinent literature, according to the difference of processing method, polyvinylidene chloride-acrylic copolymer resin can be divided into two
Seed type: one kind is the resin of extrusion, use in injection molding；Second is that the latex of coating film, is total with vinylidene etc.
The prepared latex of poly- aqueous emulsion has low pollution and high performance benefits.Wherein Chinese patent CN107759721A is described
A kind of waterborne metal anti-corrosive paint polyvinylidene chloride-acrylate copolymer emulsion, wherein by vinylidene chloride, vinyl chloride,
Acrylic acid-2-ethyl caproite and N hydroxymethyl acrylamide are copolymerized, which has preferable heat resistance, water resistance and resistance to
It is salt fog.Chinese patent CN102650866A describes a kind of coating high resistant oxygen polyvinylidene emulsions, passes through nanometer
Modified, in potting resin structure gap, keeps structure closer, substantially increases oxygen resistance.But above-mentioned obtained lotion exists
When storage, stability is not good enough, crystallinity is excessively high, and the normal coating for affecting it uses.
Summary of the invention
It is an object of that present invention to provide a kind of anticorrosive paint aqueous vinylidene chloride-acrylate latexes and its preparation side
Method has excellent oil resistant, corrosion resistant using polyvinylidene chloride-acrylate latex film that half titration emulsion method obtains
Erosion, oxygen barrier moisture-proof and fungicidal properties etc., and the transparent, non yellowing of film long-time.
The present invention is achieved by the following technical solutions:
A kind of anticorrosive paint aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex, is prepared by weight by following components
It forms: 70-85 parts of vinylidene chloride, 3-10 parts of aggretion type function monomer, 8-20 parts of acrylate monomer, bisphenol-A epoxy ethylene
8-12 parts of base ester resin, 3-6 parts of aqueous alkide resin, 2-5 parts of unsaturated fatty acid, 1-3 parts of compound emulsifying agent, initiator 0.3-
0.8 part, 0.3-0.8 parts of reducing agent, 0.1-0.5 parts of stabilizer, 0.1-0.5 parts of antioxidant, 80-150 parts of deionized water.
Further scheme, the aggretion type function monomer are 2- propylheptyl acrylate, three (2- ethoxy) isocyanuric acids three
In acrylate, N- hydroxyethyl acrylamide, VINYL ISOBUTYL ETHER, acrylic acid trifluoro ethyl ester and Hexafluorobutyl mathacrylate
It is at least one.
Further scheme, the acrylate monomer be cyclohexyl methacrylate, methyl acrylate, methyl methacrylate,
At least one of Tert-butyl Methacrylate, ethyl acrylate and methacrylic acid.
Further scheme, the unsaturated fatty acid are at least one of linolenic acid, eleostearic acid and oleic acid.
Further scheme, the compound emulsifying agent are response type surfactant active, anionic surfactant and non-ionic surface
Activating agent is (2-3) in mass ratio: (1-2): 1 mixture mixed.
Further scheme, the response type surfactant active are selected from 1- allyl ether -3- hydroxypropanesulfonic acid sodium or vinyl sulphur
Hydrochlorate；The anionic surfactant is selected from alkyl phenol ether ammonium sulfate or lauryl sodium sulfate；Non-ionic surface active
Polyoxyethylene nonyl phenyl vinyl ethers or polyoxyethylene sorbitan fatty acid ester are selected in agent.
Further scheme, the initiator are tert-butyl hydroperoxide, isopropyl benzene hydroperoxide, dilauroyl peroxide, persulfuric acid
At least one of potassium and azobisisoheptonitrile；The reducing agent is selected from least the one of vitamin C, sodium citrate and ferrous sulfate
Kind.
Further scheme, the stabilizer are alkyl sulfate or ammonium laurate；The antioxidant selects sodium ethylene diamine tetracetate
Or N- cyclohexyl is to oxygroup aniline.
Another goal of the invention of the invention is to provide above-mentioned anticorrosive paint aqueous polyvinylidene dichloroethylene-acrylic ester copolymer
The preparation method of latex comprising following steps:
(1) preparation of pre-emulsion
It is added the 50~70% of deionized water and compound emulsifying agent total amount in a kettle, after stirring and dissolving, sequentially adds inclined two
Vinyl chloride, aggretion type function monomer, acrylate monomer, bisphenol-A epoxide vinylester resin, aqueous alkide resin and unsaturation
Fatty acid is warming up to 60~70 DEG C, and quickly stirring forms pre-emulsion；
(2) preparation of copolymer latex
Addition deionized water, the 30~50% of initiator total amount and remaining compound emulsifying agent, are stirred molten in pressure reaction still
Solution；Logical nitrogen is forced into 0.1~0.3MPa to seal after draining the air in reaction kettle；50~60 DEG C are then heated to, to
5~10% that pre-emulsion total amount is added in reaction kettle are used as seed emulsion, to reaction system blueing light；By reducing agent and residue
Initiator is mixed into initiation-reducing agent, while initiation-reducing agent and remaining pre-emulsion is added dropwise；65-78 DEG C is warming up to after dripping off
Keep the temperature 30-45min, then cool down release, and be added metering stabilizer and antioxidant stirring after filtering and discharging to get aqueous poly-
Vinylidene chloride-acrylic ester copolymer latex.
Further scheme, the initiation-reducing agent and remaining pre-emulsion control are at the uniform velocity added dropwise in 6~10h, protect simultaneously
Holding temperature is 50 DEG C~60 DEG C.
Aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex quality index prepared by the present invention is as shown in the table:
| Project | Index |
| Latex appearance | Milky white band blue light |
| Solid content | 50±1 |
| Viscosity | <100 |
| PH value | 1.0~3.0 |
| Surface tension | <50 |
The present invention is by vinylidene chloride, aggretion type function monomer, acrylate monomer, bisphenol-A epoxide vinylester resin and alcohol
A variety of vinyl-containing monomers such as acid resin are made through emulsifying process, by copolyreaction prepare latex stability is good, partial size is equal
It is even, cohesive force is strong；It can be by chemical resistance, wearability good vinyl epoxy resin and weatherability, machinery through emulsion polymerization
The good alkyd resin of performance is bonded on vinylidene chloride polymer strand, and the collaboration that intercouples can give full play to material itself
Characteristic improves the comprehensive performance of latex.The film formed after latex coating prepared by the present invention is dry has oxygen barrier moisture-proof, corrosion resistant
The excellent properties such as corrosion, and film is transparent for a long time, does not turn yellow, it is environment-protecting and non-poisonous.
The present invention improves the influences that generate to polymerization reaction of factors such as polymerized monomer formula, emulsifier selection, using containing ethylene
The monomers such as the epoxy vingl ester resin and alkyd resin and vinylidene chloride of base carry out being copolymerized obtained latex, on the one hand can introduce
The weatherability of epoxy resin and alkyd resin, the advantages that rate of drying is fast, hardness is high, on the other hand can will by emulsion copolymerization
Each bonding monomeis is on polymer molecular chain, and good with polyvinylidene chloride-acrylate latex compatibility, film performance is more preferably.
Currently available technology is all using typical polymerization monomer come modified polyvinilidene vinyl chloride, but the latex prepared is during storage
Easily occur that dehydrochlorination reaction, stability is bad, the film after coating is easy discoloration, and cannot keep clear, colorless shape for a long time
State.And the present invention well solves the above problem, the present invention participates in reaction, the suitable emulsification of selection by addition functional form monomer
Agent largely enhances latex water resistance and salt fog resistance, also improves the storage stability of latex, and uniform particle sizes glue
Attached power is strong, and prepared film keeps clear, colorless state for a long time, and film barrier property is high, toughness is strong and chemical stability is good for this
It is good, it can satisfy the application in fields such as packaging, automobile, food service industrys.
The present invention selects vinylidene chloride cheap and easy to get as main monomers, cooperates aggretion type function monomer, acrylic acid
A series of vinyl-containing monomers such as ester monomer, bisphenol-A epoxide vinylester resin, aqueous alkide resin, unsaturated fatty acid with
Compound emulsifying agent is carried out pre-emulsification and is obtained by seed semi-continuous emulsion polymerization mode aqueous using oxidation-reduction trigger system
Polyvinylidene chloride-acrylic ester copolymer latex.The stability of copolymer latex prepared by the present invention is good, uniform particle sizes, cohesive force
By force, the film formed after coating is dry has the excellent properties such as oxygen barrier moisture-proof, corrosion resistance, and film is transparent for a long time, constant
Huang, it is environment-protecting and non-poisonous.
Specific embodiment
The present invention is further described below with reference to embodiment.
Embodiment one
Formula: the present embodiment in parts by weight, including following components:
80 parts of vinylidene chloride, aggretion type function monomer (3 parts of 2- propylheptyl acrylate, 2 parts of N- hydroxyethyl acrylamide)；
Acrylate monomer (5 parts of methyl methacrylate, 3 parts of cyclohexyl methacrylate, 5 parts of methacrylic acid)；Unsaturated fat
Acid is 2 parts of eleostearic acid；Compound emulsifying agent (2.3 parts of sodium of 1- allyl ether 3- hydroxypropanesulfonic acid, alkyl phenol ether ammonium sulfate 1.5
0.75 part of part and polyoxyethylene sorbitan fatty acid ester)；0.5 part of initiator tert-butyl hydroperoxide, reducing agent vitamin C
0.3 part, 0.1 part of stabilizer ammonium laurate, 0.1 part of antioxidant sodium ethylene diamine tetracetate, 90 parts of deionized water.
The preparation method of aqueous vinylidene chloride-acrylate latex includes following operating procedure:
(1) preparation of pre-emulsion
The compound emulsifying agent of deionized water, formula ratio 70% is added in a kettle, stirring dissolves emulsifier, sequentially adds partially
Dichloroethylene, aggretion type function monomer, acrylate monomer, bisphenol-A epoxide vinylester resin, aqueous alkide resin and insatiable hunger
And fatty acid, 60 DEG C are warming up to, quickly stirring forms pre-emulsion.
(2) preparation of copolymer latex
Initiator of the addition with deionized water dissolving formula ratio 40%, residual emulsifier in pressure reaction still, then will be equipped with pre-
The constant pressure funnel of emulsion and remaining initiator-reducing agent solution is attached on reaction kettle, and logical nitrogen drains for a period of time
Air in kettle is forced into 0.25MPa after sealing device.After being heated to 60 DEG C, the pre-emulsion of addition about 10% is as seed
To reaction system blueing light, while remaining pre-emulsion and initiator+reducing agent is added dropwise in lotion, control both in 8h at the uniform velocity
It is added dropwise, while keeping temperature is 60 DEG C, the two is warming up to 70 DEG C after dripping off, after keeping the temperature 30min, cool down release, is added steady
Determine filtering and discharging after agent and antioxidant, i.e. acquisition aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex.
Embodiment two
Formula:
The present embodiment in parts by weight, including following components: 80 parts of vinylidene chloride, 3 parts of 2- propylheptyl acrylate, N- hydroxyl
2 parts of ethyl acrylamide, 2 parts of VINYL ISOBUTYL ETHER, 3 parts of methyl methacrylate, 3 parts of cyclohexyl methacrylate, methyl-prop
5 parts of olefin(e) acid, 8 parts of bisphenol-A epoxide vinylester resin, 3 parts of aqueous alkide resin, 2 parts of eleostearic acid, 1- allyl ether 3- hydroxyl third
2.3 parts of alkyl sulfonic acid sodium, 1.5 parts of alkyl phenol ether ammonium sulfate, 0.75 part of polyoxyethylene sorbitan fatty acid ester, tert-butyl mistake
0.5 part of hydrogen oxide, 0.3 part of vitamin C, 0.1 part of ammonium laurate, 0.1 part of sodium ethylene diamine tetracetate, 95 parts of deionized water.It is made
Preparation Method is the same as embodiment 1
Embodiment three
Formula:
The present embodiment in parts by weight, including following components: 85 parts of vinylidene chloride, 3 parts of acrylic acid trifluoro ethyl ester, N- ethoxy
2 parts of acrylamide, 2 parts of VINYL ISOBUTYL ETHER, 1 part of methyl methacrylate, 5 parts of methacrylic acid, bisphenol-A epoxy vinyl esters
8 parts of resin, 4 parts of aqueous alkide resin, 2 parts of eleostearic acid, 2.3 parts of sodium of 1- allyl ether 3- hydroxypropanesulfonic acid, alkyl phenol ether sulphur
1.5 parts of acid ammonium salt, 0.75 part of polyoxyethylene sorbitan fatty acid ester, 0.5 part of tert-butyl hydroperoxide, vitamin C 0.3
Part, 0.1 part of ammonium laurate, 0.1 part of sodium ethylene diamine tetracetate, 95 parts of deionized water.
Preparation method is the same as embodiment 1
Example IV
Formula:
The present embodiment in parts by weight, including following components: 70 parts of vinylidene chloride, three (2- ethoxy) isocyanuric acids, three propylene
3 parts of acid esters, 2 parts of acrylic acid trifluoro ethyl ester, 2 parts of VINYL ISOBUTYL ETHER, 5 parts of methyl methacrylate, cyclohexyl methacrylate 3
Part, 5 parts of methacrylic acid, 10 parts of bisphenol-A epoxide vinylester resin, 3 parts of aqueous alkide resin, 5 parts of eleostearic acid, 1- allyl
2.3 parts of sodium of ether 3- hydroxypropanesulfonic acid, 1.5 parts of alkyl phenol ether ammonium sulfate, polyoxyethylene sorbitan fatty acid ester 0.75
Part, 0.5 part of tert-butyl hydroperoxide, 0.3 part of vitamin C, 0.1 part of ammonium laurate, 0.1 part of sodium ethylene diamine tetracetate, deionization
95 parts of water.
The preparation method is the same as that of Example 1 with aqueous vinylidene chloride-acrylate latex for anticorrosive paint
Embodiment five
Formula:
The present embodiment in parts by weight, including following components: 70 parts of vinylidene chloride, 8 parts of acrylic acid trifluoro ethyl ester, N- ethoxy
2 parts of acrylamide, 2 parts of VINYL ISOBUTYL ETHER, 5 parts of methyl methacrylate, 3 parts of cyclohexyl methacrylate, methacrylic acid 5
Part, 10 parts of bisphenol-A epoxide vinylester resin, 6 parts of aqueous alkide resin, 5 parts of eleostearic acid, 1- allyl ether 3- hydroxy propane sulphur
2.3 parts of sour sodium, 1.5 parts of alkyl phenol ether ammonium sulfate, 0.75 part of polyoxyethylene sorbitan fatty acid ester, tert-butyl hydroperoxide
0.5 part of hydrogen, 0.3 part of vitamin C, 0.1 part of ammonium laurate, 0.1 part of sodium ethylene diamine tetracetate, 95 parts of deionized water.
Preparation method is the same as embodiment 1.
Performance test process:
Latex obtained by above-described embodiment is processed into standard sample according to national standards, tests its properties.
1, GB/T 1725-79 is tested solid content according to national standards, and die size is 70 × 80mm of Φ, by load weighted sample
105 ± 2 DEG C of dry 30min, its solid content of measuring and calculation；
2, GB/T 22638.4-2008 is tested surface tension according to national standards, and test solution is placed on aluminium foil surface, examination is kept
It is not ruptured in liquid 2s, is then defined as the surface tension of test solution；
3, GB/T 10247-88 is tested viscosity according to national standards, is measured using viscosimeter to test solution；
4, pH value according to national standards GB/T 7573-2002 test, using with calomel-silver chloride electrode pH meter to test solution
Directly measured；
5, GB/T 1733-93 is tested water resistance according to national standards, sample is placed in deionized water for 24 hours, size of sample
200nm×200mm；
6, GB/T 1771-91 is tested salt fog resistance according to national standards, and sample is placed in 800h in salt-fog resistant test case, sample
Specification is 100mm × 150mm.
Following table is the performance test results data of its agglomerating latex of aqueous vinylidene chloride prepared in the above embodiments-acrylate:
It can be seen that by above-mentioned performance table, copolymer latex prepared by the present invention, the white band blue light of color, stability is good, gained glue
Cream can be directly coated at the substrate surfaces such as stiff sheet, participate in reaction by adding different aggretion type function monomers, can obtain has resistance
Every property, moisture resistance, chemical resistance film.
The above description of the embodiments is intended to facilitate those skilled in the art to understand and apply the invention.It is ripe
The personnel for knowing art technology obviously easily can make various modifications to these embodiments, and general original described herein
It ought to use in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to embodiment here, abilities
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (10)
1. a kind of anticorrosive paint aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex, it is characterised in that: by following components
It is prepared by weight: 70-85 parts of vinylidene chloride, 3-10 parts of aggretion type function monomer, 8-20 parts of acrylate monomer, double
8-12 parts of phenol A epoxy vinyl ester resin, 3-6 parts of aqueous alkide resin, 2-5 parts of unsaturated fatty acid, compound emulsifying agent 1-3
Part, 0.3-0.8 parts of initiator, 0.3-0.8 parts of reducing agent, 0.1-0.5 parts of stabilizer, 0.1-0.5 parts of antioxidant, deionized water
80-150 parts.
2. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the aggretion type function monomer is 2- propylheptyl acrylate, three (2- ethoxy) isocyanuric acids, three acrylic acid
At least one in ester, N- hydroxyethyl acrylamide, VINYL ISOBUTYL ETHER, acrylic acid trifluoro ethyl ester and Hexafluorobutyl mathacrylate
Kind.
3. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the acrylate monomer is cyclohexyl methacrylate, methyl acrylate, methyl methacrylate, methyl-prop
At least one of enoic acid ter-butyl ester, ethyl acrylate and methacrylic acid.
4. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the unsaturated fatty acid is at least one of linolenic acid, eleostearic acid and oleic acid.
5. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the compound emulsifying agent is response type surfactant active, anionic surfactant and nonionic surfactant
It is in mass ratio (2-3): (1-2): 1 mixture mixed.
6. a kind of anticorrosive paint according to claim 5 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the response type surfactant active is selected from 1- allyl ether -3- hydroxypropanesulfonic acid sodium or vinylsulfonate；Institute
It states anionic surfactant and is selected from alkyl phenol ether ammonium sulfate or lauryl sodium sulfate；Nonionic surfactant selects nonyl
Base phenol polyethylene oxide base ether or polyoxyethylene sorbitan fatty acid ester.
7. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the initiator is tert-butyl hydroperoxide, isopropyl benzene hydroperoxide, dilauroyl peroxide, potassium peroxydisulfate and idol
At least one of the different heptonitrile of nitrogen two；The reducing agent is selected from at least one of vitamin C, sodium citrate and ferrous sulfate.
8. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the stabilizer is alkyl sulfate or ammonium laurate；The antioxidant selects sodium ethylene diamine tetracetate or N- ring
Hexyl is to oxygroup aniline.
9. a kind of anticorrosive paint as described in claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex system
Preparation Method, it is characterised in that: the following steps are included:
(1) preparation of pre-emulsion
It is added the 50 ~ 70% of deionized water and compound emulsifying agent total amount in a kettle, after stirring and dissolving, sequentially adds inclined dichloro
Ethylene, aggretion type function monomer, acrylate monomer, bisphenol-A epoxide vinylester resin, aqueous alkide resin and unsaturated lipid
Fat acid, is warming up to 60 ~ 70 DEG C, and quickly stirring forms pre-emulsion；
(2) preparation of copolymer latex
Addition deionized water, the 30 ~ 50% of initiator total amount and remaining compound emulsifying agent, stirring and dissolving in pressure reaction still；
Logical nitrogen is forced into 0.1 ~ 0.3MPa to seal after draining the air in reaction kettle；50 ~ 60 DEG C are then heated to, to reaction
5 ~ 10% that pre-emulsion total amount is added in kettle are used as seed emulsion, to reaction system blueing light；By reducing agent and remaining initiation
Agent is mixed into initiation-reducing agent, while initiation-reducing agent and remaining pre-emulsion is added dropwise；65-78 DEG C of heat preservation is warming up to after dripping off
30-45min, then cool down release, and be added metering stabilizer and antioxidant stirring after filtering and discharging to get aqueous polyvinylidene two
Vinyl chloride-acrylate copolymer latex.
10. preparation method according to claim 9, it is characterised in that: the initiation-reducing agent and remaining pre-emulsification hydraulic control
System is at the uniform velocity added dropwise in 6 ~ 10h, while keeping temperature is 50 DEG C ~ 60 DEG C.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110330873A (en) * | 2019-07-12 | 2019-10-15 | 广西民族大学 | A kind of preparation method of the alkyd resin corrosive enamel of high pitting potential |
| CN111269347A (en) * | 2020-03-23 | 2020-06-12 | 泰安聚仁新材料有限公司 | Dichloroethylene-acrylic ester copolymer emulsion and preparation method thereof |
| CN112143017A (en) * | 2020-08-28 | 2020-12-29 | 广东安德力新材料有限公司 | Nylon layer for power battery aluminum plastic film and preparation process thereof |
| CN112745722A (en) * | 2020-12-28 | 2021-05-04 | 沧州优美特新材料科技有限公司 | High-adhesion water-based vinylidene chloride metal paint and preparation method thereof |
| CN113563499A (en) * | 2021-07-28 | 2021-10-29 | 浙江衢州巨塑化工有限公司 | Polyvinylidene chloride copolymer emulsion for water-based anticorrosive paint and preparation method and application thereof |
| WO2024002117A1 (en) * | 2022-06-30 | 2024-01-04 | 海洋化工研究院有限公司 | Antibacterial fluorine-modified epoxy vinyl ester resin, method for preparing same, and multi-mechanism synergistic universal anti-corrosion coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110330873A (en) * | 2019-07-12 | 2019-10-15 | 广西民族大学 | A kind of preparation method of the alkyd resin corrosive enamel of high pitting potential |
| CN111269347A (en) * | 2020-03-23 | 2020-06-12 | 泰安聚仁新材料有限公司 | Dichloroethylene-acrylic ester copolymer emulsion and preparation method thereof |
| CN112143017A (en) * | 2020-08-28 | 2020-12-29 | 广东安德力新材料有限公司 | Nylon layer for power battery aluminum plastic film and preparation process thereof |
| CN112745722A (en) * | 2020-12-28 | 2021-05-04 | 沧州优美特新材料科技有限公司 | High-adhesion water-based vinylidene chloride metal paint and preparation method thereof |
| CN113563499A (en) * | 2021-07-28 | 2021-10-29 | 浙江衢州巨塑化工有限公司 | Polyvinylidene chloride copolymer emulsion for water-based anticorrosive paint and preparation method and application thereof |
| WO2024002117A1 (en) * | 2022-06-30 | 2024-01-04 | 海洋化工研究院有限公司 | Antibacterial fluorine-modified epoxy vinyl ester resin, method for preparing same, and multi-mechanism synergistic universal anti-corrosion coating |
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