CN106634242A - High-adhesion high-chlorinated polyethylene compound anticorrosion coating and preparation method thereof - Google Patents
High-adhesion high-chlorinated polyethylene compound anticorrosion coating and preparation method thereof Download PDFInfo
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- CN106634242A CN106634242A CN201611007465.5A CN201611007465A CN106634242A CN 106634242 A CN106634242 A CN 106634242A CN 201611007465 A CN201611007465 A CN 201611007465A CN 106634242 A CN106634242 A CN 106634242A
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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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/26—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment
- C09D123/28—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C09D123/286—Chlorinated polyethylene
-
- 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
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/18—Suspension polymerisation
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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
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
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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
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
- C08F255/023—On to modified polymers, e.g. chlorinated polymers
-
- 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
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
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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
- 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
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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
- 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
- C09D7/63—Additives non-macromolecular organic
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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
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a high-adhesion high-chlorinated polyethylene compound anticorrosion coating. The anticorrosion coating is prepared from the following raw materials in parts by weight: 60-80 parts of high-chlorinated polyethylene, 24-37 parts of chitosan, 0.8-2 parts of dibenzoyl peroxide, 7-16 parts of methacrylic acid-beta-hydroxyethyl ester, a proper amount of ethyl acetate, a proper amount of deionized water, 1-2 parts of tert-butyl hydroperoxide, 12-21 parts of hexafluorobutyl methacrylate, a proper amount of absolute ethyl alcohol, 2-4 parts of chlorinated paraffin, 2-6 parts of titanium dioxide, 1-2 parts of defoaming agents, a proper amount of dimethylbenzene, 3-8 parts of sodium carboxymethylcellulose, 1-4 parts of sodium dodecyl benzene sulfonate and 3-6 parts of epoxy resin. A chitosan grafted fluorinated acrylate/ high-chlorinated polyethylene terpolymer is prepared by grafting the high-chlorinated polyethylene by using the methacrylic acid-beta-hydroxyethyl ester, then copolymerizing high-chlorinated polyethylene with a hexafluorobutyl methacrylate monomer, introducing a fluorinated group, then grafting and compounding with chitosan. Through the chitosan grafted fluorinated acrylate/ high-chlorinated polyethylene terpolymer, the anticorrosion coating has high stain resistance, excellent corrosion resistance and high adhesion.
Description
Technical field
The invention belongs to corrosion resistant coating field, and in particular to a kind of highly-chlorinated polyethylene composite anticorrosion coating of high adhesion force and
Its preparation method.
Background technology
Highly-chlorinated polyethylene chlorinty is high, also known as HCPE resins.White lightweight little particle, chlorinity>61%, thermal decomposition temperature
Degree>130 DEG C, 180 DEG C of heat-stable time>3min.Due to not containing double bond in molecular structure, chlorine atom is again random distribution, therefore
With good weatherability, ozone resistance, heat-resistant aging, flame resistance, chemical proofing and oil resistivity, but as single
The coating of film forming matter is very crisp, adhesive force is poor, therefore usually adds flexible resin in actual application to improve film
Performance, improves the weather resistance of film, while improving the physical and mechanical properties such as the adhesive force and gloss of film, such as adds alkyd tree
Fat, acrylic resin, chlorinated paraffin etc. are modified.
Zhou Geng's Bin, Yang Zhuoru et al. are at it《The preparation of fluoro-acrylate copolymer and its film coated surface hydro-oleophobicity
The research of energy》In one text, with monomers methyl methacrylate, butyl acrylate, acrylic acid, fluorine-containing（Methyl）Acrylate is original
Material, has synthesized a series of fluoro-acrylate copolymer.Introduce full-fluorine group to change acrylate polymer by side chain
Structure, so both maintained the original advantage of acrylate polymer, give again the distinctive hydrophobic, oleophobic of fluoropolymer,
Weatherability and self-cleaning performance so as to which integrated performance index is greatly improved.
There is shitosan certain bactericidal action to have inhibitory action to microbiologic(al) corrosion, play certain anti-pollution function, and
Itself is nontoxic, it may be said that be a kind of not only anti-corrosion but also antifouling green material.The structure of shitosan is much like with cellulose,
Equally there is good film forming, the hydroxyl and amino in structure makes molecule interchain there is stronger hydrogen bond, can bear certain
There is polar group as hydroxyl and amino in mechanical strength and tensile strength, and molecule, especially amino, become positively charged
There are the lone pair electrons or pi-electron that coordination is formed with the outer layer unoccupied orbital of iron after lotus, adsorption layer is increased with metal surface active force
By force, adsorb membrane stability to improve.
Therefore the present invention is poly- using aqueous-phase suspending afterwards using methacrylic acid-beta-hydroxy ethyl ester grafting highly-chlorinated polyethylene
It is legal that methacrylic acid-beta-hydroxy ethyl ester, Hexafluorobutyl mathacrylate monomer are successfully grafted in chitosan molecule, it is prepared for
Chitosan graft fluorinated acrylate/highly-chlorinated polyethylene terpolymer so that anticorrosive paint has higher pollution resistance, pole
Good anti-corrosive properties, excellent coating and excellent adhesive force.
The content of the invention
For the deficiencies in the prior art, the present invention provide a kind of highly-chlorinated polyethylene composite anticorrosion coating of high adhesion force and
Its preparation method, there is provided the antiseptic property of coating, pollution resistance and adhesive force.
A kind of highly-chlorinated polyethylene composite anticorrosion coating of high adhesion force, is made up of the raw material of following weight portion：High chlorination
Polyethylene 60-80 parts, shitosan 24-37 parts, dibenzoyl peroxide 0.8-2 parts, methacrylic acid-beta-hydroxy ethyl ester 7-16 parts,
Appropriate ethyl acetate, appropriate deionized water, TBHP 1-2 parts, Hexafluorobutyl mathacrylate 12-21 parts are anhydrous
Appropriate amount of ethanol, chlorinated paraffin 2-4 parts, titanium dioxide 2-6 parts, defoamer 1-2 parts, appropriate dimethylbenzene, sodium carboxymethylcellulose 3-8
Part, neopelex 1-4 parts, epoxy resin 3-6 parts.
Comprise the following steps that：
（1）The preparation of highly-chlorinated polyethylene grafted methacrylic acid-beta-hydroxy ethyl ester：
1/5 part of highly-chlorinated polyethylene, dibenzoyl peroxide, methacrylic acid-beta-hydroxy ethyl ester are added to containing two successively
In the there-necked flask of toluene and ethyl acetate mixtures, stirring makes highly-chlorinated polyethylene fully swelling, is then stirred vigorously and delays
It is slow to add deionized water, after it is uniformly dispersed and stablizes, nitrogen is passed through to 85-95 DEG C of reaction 2-4 hour, hot water wash is used afterwards
Wash, in 55-65 DEG C constant temperature is dried under vacuum to, obtain final product graft product；
（2）Chitosan graft fluorinated acrylate/highly-chlorinated polyethylene terpolymer：
During shitosan after dried process is placed in equipped with reflux condensing tube, agitator, the there-necked flask of thermometer, plus deionization
Water, immersion is swelling overnight in being placed in thermostat water bath, 55-65 DEG C of stirring 5-10 minute, TBHP to be added dropwise, and stirs
8-15 minutes, add step（1）Highly-chlorinated polyethylene grafted methacrylic acid-beta-hydroxy ethyl ester, Hexafluorobutyl mathacrylate, return
Under stream mode react 4-5 hours, be cooled to room temperature, filter, with absolute ethanol washing after, dry to constant weight, obtain chitosan graft
Fluorinated acrylate/highly-chlorinated polyethylene terpolymer；
（3）Prepare coating：
1., sodium carboxymethylcellulose, neopelex mixing are dissolved in deionized water, compound is obtained, it is standby；
2., remaining HCPE is dissolved in xylene solvent, while stirring, while put into, mixing speed control exist
60-80r/min, until being completely dissolved into clear viscous liquids, then rises to 300-500r/min by mixing speed, adds asphalt mixtures modified by epoxy resin
Fat stirs 20-40 minutes, and above-mentioned compound stirring 8-15 minutes are added afterwards；
3., step is added（2）The terpolymer of preparation is uniformly mixed, and is warmed up to 45-52 DEG C, sequentially add titanium dioxide,
Chlorinated paraffin, defoamer, high speed 1500-3000r/min stirring 3-5 hours, with 20 mesh filter screen coarse filtration；
（4）The material of coarse filtration grinds into sand mill, and it is≤40 m to be ground to fineness, and sand mill outlet temperature is controlled≤60
DEG C, reuse dimethylbenzene and adjust viscosity in 160-220（S）- 4 glasss are applied, filtered, packed with 120 mesh vibratory sieves.
Wherein, described step（1）In dimethylbenzene and ethyl acetate mixtures be by body by dimethylbenzene and ethyl acetate
Product is than being 3：1 mixes.
Compared with prior art, the invention has the advantages that：
（1）The present invention is prepared for highly-chlorinated polyethylene grafted methacrylic acid-beta-hydroxy ethyl ester using suspension swelling Graft Method, afterwards
Fluoro-containing group is introduced with Hexafluorobutyl mathacrylate monomer copolymerization, fluorinated acrylate/highly-chlorinated polyethylene compound is obtained,
Because fluorine electronegativity is big, C-F bond energys are high, and ultraviolet does not have any impact on it, shows that the coating has super-weathering resistance, by changing
Property after fluorinated acrylate not only maintain acrylate primary characteristic, also effectively increase the weatherability of corrosion-inhibiting coating, anti-
Dirt, oil resistant resistance to water.
（2）The present invention is grafted to fluorinated acrylate in chitosan molecule using aqueous suspension polymerization, poly- using shell
The bactericidal action of sugar, improves the anti-soil antiseptic property of coating；Using polar group present in chitosan molecule, strengthen anti-corrosion
Coating and the active force of metal surface, improve absorption membrane stability, strengthen the adhesive force of anticorrosive paint；In addition anti-corrosion of the present invention is applied
, when protecting metal to use, when having iron ion or other digestion of metallic ion, the polar group on shitosan also can be by it for material
It is complexed, forms fine and close " passivating film ", prevents the carrying out of further corrosion.
（3）The present invention is compounded using sodium carboxymethylcellulose, neopelex mixing with epoxy resin, to anti-corrosion
Coating is processed, and enhances the adhesion of coating and metal material surface, good to metal adhesion, and structure pore is little, structure
Densification, with excellent adhesive force, pliability is good.
Specific embodiment
A kind of highly-chlorinated polyethylene composite anticorrosion coating of high adhesion force, is made up of the raw material of following weight portion：High chlorination
Polyethylene 74, shitosan 32, dibenzoyl peroxide 1.5, methacrylic acid-beta-hydroxy ethyl ester 13, appropriate ethyl acetate, deionization
Appropriate amount of water, TBHP 1, Hexafluorobutyl mathacrylate 18, appropriate absolute ethyl alcohol, chlorinated paraffin 3, titanium dioxide 4 disappears
Infusion 1, appropriate dimethylbenzene, sodium carboxymethylcellulose 6, neopelex 3, epoxy resin 4.
Comprise the following steps that：
（1）The preparation of highly-chlorinated polyethylene grafted methacrylic acid-beta-hydroxy ethyl ester：
1/5 part of highly-chlorinated polyethylene, dibenzoyl peroxide, methacrylic acid-beta-hydroxy ethyl ester are added to containing two successively
In the there-necked flask of toluene and ethyl acetate mixtures, stirring makes highly-chlorinated polyethylene fully swelling, is then stirred vigorously and delays
It is slow to add deionized water, after it is uniformly dispersed and stablizes, it is passed through nitrogen and reacts 3 hours to 90 DEG C, afterwards with hot wash, in 60
DEG C constant temperature is dried under vacuum to, obtains final product graft product；
（2）Chitosan graft fluorinated acrylate/highly-chlorinated polyethylene terpolymer：
During shitosan after dried process is placed in equipped with reflux condensing tube, agitator, the there-necked flask of thermometer, plus deionization
Water, immersion, swelling overnight in being placed in thermostat water bath, 60 DEG C are stirred 8 minutes, and dropwise addition TBHP stirs 13 points
Clock, adds step（1）Highly-chlorinated polyethylene grafted methacrylic acid-beta-hydroxy ethyl ester, Hexafluorobutyl mathacrylate, reflux state
It is lower reaction 4.5 hours, be cooled to room temperature, filter, with absolute ethanol washing after, dry to constant weight, obtain chitosan graft fluorine-containing third
Olefin(e) acid ester/highly-chlorinated polyethylene terpolymer；
（3）Prepare coating：
1., sodium carboxymethylcellulose, neopelex mixing are dissolved in deionized water, compound is obtained, it is standby；
2., remaining HCPE is dissolved in xylene solvent, while stirring, while put into, mixing speed control exist
80r/min, until being completely dissolved into clear viscous liquids, then rises to 500r/min by mixing speed, adds epoxy resin stirring
30 minutes, above-mentioned compound is added to stir afterwards 10 minutes；
3., step is added（2）The terpolymer of preparation is uniformly mixed, and is warmed up to 50 DEG C, sequentially adds titanium dioxide, chlorination
Paraffin, defoamer, high speed 2500r/min is stirred 4 hours, with 20 mesh filter screen coarse filtration；
（4）The material of coarse filtration grinds into sand mill, and it is≤40 m to be ground to fineness, and sand mill outlet temperature is controlled≤60
DEG C, reuse dimethylbenzene and adjust viscosity in 160-220（S）- 4 glasss are applied, filtered, packed with 120 mesh vibratory sieves.
Wherein, described step（1）In dimethylbenzene and ethyl acetate mixtures be by body by dimethylbenzene and ethyl acetate
Product is than being 3：1 mixes.
Coating property test result：
Resistance to impact：>=46kg/cm, pliability：≤ 2.2mm, adhesive force：1 grade；
Drying time（h）：Surface drying≤0.5, does solid work≤4；
Decay resistance under normal temperature：
The 10%HCl aqueous solution >=360h, coating is non-foaming, do not fall off；
20%H2SO4The aqueous solution >=360h, coating is non-foaming, does not fall off；
The 20%NaOH aqueous solution >=360h, coating is non-foaming, does not fall off；
Resisting salt fog corrosion is tested >=50 times, and coating is non-foaming, without rotten, ruckbildung.
Claims (3)
1. the highly-chlorinated polyethylene composite anticorrosion coating of a kind of high adhesion force, it is characterised in that by the raw material group of following weight portion
Into：Highly-chlorinated polyethylene 60-80 parts, shitosan 24-37 parts, dibenzoyl peroxide 0.8-2 parts, methacrylic acid-β-hydroxyl second
Ester 7-16 parts, appropriate ethyl acetate, appropriate deionized water, TBHP 1-2 parts, Hexafluorobutyl mathacrylate 12-
21 parts, appropriate absolute ethyl alcohol, chlorinated paraffin 2-4 parts, titanium dioxide 2-6 parts, defoamer 1-2 parts, appropriate dimethylbenzene, carboxymethyl cellulose
Plain sodium 3-8 parts, neopelex 1-4 parts, epoxy resin 3-6 parts.
2. the preparation method of the highly-chlorinated polyethylene composite anticorrosion coating of a kind of high adhesion force according to claims 1,
Characterized in that, comprising the following steps that：
（1）The preparation of highly-chlorinated polyethylene grafted methacrylic acid-beta-hydroxy ethyl ester：
1/5 part of highly-chlorinated polyethylene, dibenzoyl peroxide, methacrylic acid-beta-hydroxy ethyl ester are added to containing two successively
In the there-necked flask of toluene and ethyl acetate mixtures, stirring makes highly-chlorinated polyethylene fully swelling, is then stirred vigorously and delays
It is slow to add deionized water, after it is uniformly dispersed and stablizes, nitrogen is passed through to 85-95 DEG C of reaction 2-4 hour, hot water wash is used afterwards
Wash, in 55-65 DEG C constant temperature is dried under vacuum to, obtain final product graft product；
（2）Chitosan graft fluorinated acrylate/highly-chlorinated polyethylene terpolymer：
During shitosan after dried process is placed in equipped with reflux condensing tube, agitator, the there-necked flask of thermometer, plus deionization
Water, immersion is swelling overnight in being placed in thermostat water bath, 55-65 DEG C of stirring 5-10 minute, TBHP to be added dropwise, and stirs
8-15 minutes, add step（1）Highly-chlorinated polyethylene grafted methacrylic acid-beta-hydroxy ethyl ester, Hexafluorobutyl mathacrylate, return
Under stream mode react 4-5 hours, be cooled to room temperature, filter, with absolute ethanol washing after, dry to constant weight, obtain chitosan graft
Fluorinated acrylate/highly-chlorinated polyethylene terpolymer；
（3）Prepare coating：
1., sodium carboxymethylcellulose, neopelex mixing are dissolved in deionized water, compound is obtained, it is standby；
2., remaining HCPE is dissolved in xylene solvent, while stirring, while put into, mixing speed control exist
60-80r/min, until being completely dissolved into clear viscous liquids, then rises to 300-500r/min by mixing speed, adds asphalt mixtures modified by epoxy resin
Fat stirs 20-40 minutes, and above-mentioned compound stirring 8-15 minutes are added afterwards；
3., step is added（2）The terpolymer of preparation is uniformly mixed, and is warmed up to 45-52 DEG C, sequentially add titanium dioxide,
Chlorinated paraffin, defoamer, high speed 1500-3000r/min stirring 3-5 hours, with 20 mesh filter screen coarse filtration；
（4）The material of coarse filtration grinds into sand mill, and it is≤40 m to be ground to fineness, and sand mill outlet temperature is controlled≤60
DEG C, reuse dimethylbenzene and adjust viscosity in 160-220（S）- 4 glasss are applied, filtered, packed with 120 mesh vibratory sieves.
3. the preparation method of the highly-chlorinated polyethylene composite anticorrosion coating of a kind of high adhesion force according to claims 2,
Characterized in that, described step（1）In dimethylbenzene and ethyl acetate mixtures be by volume by dimethylbenzene and ethyl acetate
Than for 3：1 mixes.
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| CN201611007465.5A CN106634242A (en) | 2016-11-16 | 2016-11-16 | High-adhesion high-chlorinated polyethylene compound anticorrosion coating and preparation method thereof |
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| CN201611007465.5A CN106634242A (en) | 2016-11-16 | 2016-11-16 | High-adhesion high-chlorinated polyethylene compound anticorrosion coating and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370325A (en) * | 2018-08-29 | 2019-02-22 | 天长市瑞达仪表电缆材料厂 | A kind of preparation method of magnetic double level gauge surface anticorrosion coating |
| CN112175453A (en) * | 2020-09-30 | 2021-01-05 | 马鞍山市求是仪表厂 | Anticorrosive impact-resistant coating and preparation method thereof |
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| CN102863854A (en) * | 2012-10-18 | 2013-01-09 | 山东聊城齐鲁特种涂料有限责任公司 | High chlorinated potyethlene anti-corrosive paint and preparation method thereof |
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2016
- 2016-11-16 CN CN201611007465.5A patent/CN106634242A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102863854A (en) * | 2012-10-18 | 2013-01-09 | 山东聊城齐鲁特种涂料有限责任公司 | High chlorinated potyethlene anti-corrosive paint and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 熊琼: "氯化聚乙烯溶胀悬浮接枝甲基丙烯酸羟乙酯", 《高分子材料科学与工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370325A (en) * | 2018-08-29 | 2019-02-22 | 天长市瑞达仪表电缆材料厂 | A kind of preparation method of magnetic double level gauge surface anticorrosion coating |
| CN112175453A (en) * | 2020-09-30 | 2021-01-05 | 马鞍山市求是仪表厂 | Anticorrosive impact-resistant coating and preparation method thereof |
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