CN105153346A - Special waterborne anti-corrosion emulsion for multi-component copolymerization rust converting primer and preparation method of emulsion - Google Patents

Special waterborne anti-corrosion emulsion for multi-component copolymerization rust converting primer and preparation method of emulsion Download PDF

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CN105153346A
CN105153346A CN201510628010.4A CN201510628010A CN105153346A CN 105153346 A CN105153346 A CN 105153346A CN 201510628010 A CN201510628010 A CN 201510628010A CN 105153346 A CN105153346 A CN 105153346A
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monomer
emulsion
parts
rust
special
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葛亮
朱鹏
刘磊
戴骏骏
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NANTONG REPAIR-AIR CHEMISTRY BIOENGINEERING Co Ltd
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NANTONG REPAIR-AIR CHEMISTRY BIOENGINEERING Co Ltd
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Priority to CN201510628010.4A priority Critical patent/CN105153346A/en
Priority to PCT/CN2015/092620 priority patent/WO2017054268A1/en
Publication of CN105153346A publication Critical patent/CN105153346A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
    • C08F2/16Aqueous medium
    • C08F2/22Emulsion polymerisation
    • C08F2/24Emulsion polymerisation with the aid of emulsifying agents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00Homopolymers and 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
    • C08F14/02Monomers containing chlorine
    • C08F14/04Monomers containing two carbon atoms
    • C08F14/08Vinylidene chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F214/00Copolymers 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
    • C08F214/02Monomers containing chlorine
    • C08F214/04Monomers containing two carbon atoms
    • C08F214/08Vinylidene chloride
    • 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
    • C09D5/02Emulsion paints including aerosols
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Graft Or Block Polymers (AREA)

Abstract

The invention discloses special waterborne anti-corrosion emulsion for multi-component copolymerization rust converting primer and a preparation method of the emulsion. The emulsion is prepared from vinylidene chloride monomers, vinyl monomers, acrylic acid monomers, stable protective monomers, functional monomers, PH regulating agents, modified cross-linking monomers, composite emulsifying agents, reaction emulsifying agents, metal ion grafting reaction original liquid, initiators, reduction agents and water. The emulsion produced through the method is milk white and blue, is good in stability during long-term storage, and can be combined with various auxiliaries to prepare rust converting paint. The prepared rust converting primer can be used for rust construction of rusted base materials, after the surfaces of the rusted base materials are coated with the primer, a primer film is purple or black after being dried, and rust of rusted layers can be effectively converted.

Description

Special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer and preparation method thereof
Technical field
The present invention is specifically related to special-purpose aqueous anticorrosion emulsion of a kind of multi-component copolymer rust transformation primer and preparation method thereof.
Background technology
According to statistics, about there is the metallic substance of 20% cannot reclaim because being corroded in the world, the financial loss that the annual metallic corrosion of China causes accounts for 4% of gross national product, and the loss caused because of metallic corrosion every year exceedes the loss summation that fire, disaster caused by a windstorm and earthquake cause.For a long time, in order to reduce corrosion loss, people take a lot of measure, as the electrochemical protection method, corrosive medium facture, tectum protection method etc. of metal.But sfgd. general, most economical, the most practical up to now or coating protection, anticorrosion with coat with its easy construction, economical and practical, not by device area, shape constraint and there is the features such as certain decorative effect and be widely used.
What the erosion shield of current plain metal surface-coated usually adopted is solvent based coating, although they have the effect suppressing corrosion, because they contain the easy hurtful obnoxious flavour of human body and heavy metal, causes problem of environmental pollution.Meanwhile, the feature that solvent is inflammable, explosive brings hidden danger to environment.Along with the enhancing day by day of people's environmental consciousness, water-based anticorrosive paint becomes the important directions of paint development.At present mainly aqueous epoxy coating on the market, but water-base epoxy also comes with some shortcomings, and surface drying time is long and easily occur dodging rust.
Summary of the invention
Goal of the invention: for above-mentioned situation, the object of this invention is to provide special-purpose aqueous anticorrosion emulsion of a kind of multi-component copolymer rust transformation primer and preparation method thereof, nontoxic, odorless, not fire, film forming properties is excellent, film-forming temperature is low, after conjunctiva densification, strong adhesion, film forming, air penetrability is significantly less than oil-base paint, generic latex paint, has good acid and alkali-resistance, brine corrosion effect, can be mixed with the quinary copolymerization environment friendly corrosion protection emulsion of various protective system.
Technical scheme: the special-purpose aqueous anticorrosion emulsion of a kind of multi-component copolymer rust transformation primer, the raw material preparing this product comprises the component of following weight fraction: vinylidene 65 ~ 75 parts, vinyl monomer 15 ~ 20 parts, Acrylic Acid Monomer 0.5 ~ 1.5 part, stablize protected monomer 1 ~ 2 part, functional monomer 0.5 ~ 1.5 part, PH conditioning agent 0.05 ~ 0.1 part, modified crosslinking type monomer 2 ~ 3 parts, compound emulsifying agent 1 ~ 2 part, reactive emulsifier 0.5 ~ 1.5 part, metal ion graft reaction type kind liquid 10 ~ 15 parts, initiator 0.05 ~ 0.2 part, reductive agent 0.02 ~ 0.08 part, 100 parts, water.
A preparation method for the described special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer, comprises the steps:
(1) by weight the deionized water of initiator 0.05 ~ 0.2 part, total amount 5 ~ 10% is made into initiator solution;
(2) by weight the deionized water of reductive agent 0.02 ~ 0.08 part, total amount 5 ~ 8% is made into the reductive agent aqueous solution;
(3) by weight by compound emulsifying agent 0.05 ~ 0.1 part, reactive emulsifier 0.05 ~ 0.1 part, the deionized water of total amount 15 ~ 25% is configured to emulsifier aqueous solution;
(4) vinylidene 65 ~ 75 parts, vinyl monomer 15 ~ 20 parts, Acrylic Acid Monomer 0.5 ~ 1.5 part, stablizes protected monomer 1 ~ 2 part, functional monomer 0.5 ~ 1.5 part, PH conditioning agent 0.05 ~ 0.1 part, modified crosslinking type monomer 2 ~ 3 parts of Homogeneous phase mixing are configured to mix monomer;
(5) by accounting for the water of total amount 65 ~ 75%, the compound emulsifying agent accounting for total amount 30 ~ 50%, the reactive emulsifier accounting for total amount 60 ~ 80%, PH conditioning agent, metal ion graft reaction type kind liquid, stablizer fully mix and put in reactor;
(6) heat up in protection of inert gas, pressure is at 0.012 ~ 0.030Mpa and temperature 60 ~ 65 DEG C, emulsifier aqueous solution, and treat that pressure increase is to 0.05 ~ 0.065Mpa, temperature rises to 65 ~ 70 DEG C, drips emulsifier aqueous solution and mix monomer;
(7) keep temperature of reaction 65 ~ 70 DEG C, drip mix monomer, emulsifier aqueous solution, initiator, reaction 5.5 ~ 7 is little to be dripped off up to mix monomer and emulsifier aqueous solution, continues to drip initiator, is warmed up to 70 ~ 75 DEG C simultaneously, and reaction pressure starts to decline;
(8) when reacting system pressure drops to 0 ~ 0.02Mpa, add 0.02 ~ 0.08 part of stablizer, then from reactive system, remove residual unreacted monomers, discharging after cooling to less than 40 DEG C.
As optimization: described initiator is metal ion superoxide.
As optimization: two or more the mixture in described composite emulsifying sulfosuccinate, tensio-active agent containing sulfonic acid, carboxyl, straight chain sulphophenyl sulfonate, alkyl alcohol block polyether, Sodium dodecylbenzene sulfonate.Reactive emulsifier is alkyl phenoxyl polyether thiourea hydrochlorate, containing two or more in allylic alkyl sulfosuccinates salt, special double bond containing alcohol ether sulphates.
As optimization: described modified crosslinking type monomer is one in double bond containing urea heterocyclic compound, response type organosilicon or mixture.
As optimization: Acrylic Acid Monomer and vinyl monomer are three kinds or several in isobutoxymethyl-acrylate, alkoxyl group polyethylene glycol methacrylate-styrene polymer, linear acrylate ester, methylic acrylate, double bond containing both-end ester.
As optimization: described metal ion graft reaction type kind liquid is the acrylic acid esters co-polymer after metal ion graft modification.
Beneficial effect: the emulsion that the present invention produces, color oyster white blueing phase, long term storage stability is good, can combine that being prepared into becomes rusty and transform to paint with multiple auxiliary agent.Rust transformation primer after preparation can carry out the construction of band rust to corrosion base material, and after being coated in corrosion substrate surface, paint film finishes in blue purple or black, effectively can carry out conversion reaction to the iron rust of corrosion layer.
It is fast that the rust transformation primer made by this emulsion has paint film surface drying, and rust conversion rate is fast; VOC content is low; Good to metal base sticking power; The advantages such as hardness of paint film is high, and paint film rustless property is excellent, and good weatherability stablizes environmental protection, and anticorrosion timeliness is long.According to coating thickness and technique difference, metallic surface not corrosion in 20 ~ 50 years can be kept.Because polymerization is aqueous phase mutually, there is the feature of the low VOC of environmental protection.
In the present invention, gained emulsion property index is as follows: solid content (%): 60; Viscosity (mPas): 90; Surface tension (mN/m): 50; PH value: 2.0; Hot storage stability (55 DEG C): 60 days; Second-order transition temperature (Tg): 25 DEG C; Minimum film-forming temperature (MFT): 16 DEG C; Sandblasting steel plate sticking power: 0 grade; Cold-rolled steel sheet sticking power: one-level; Salt spray resistance: 55 μm × 500 hours; Salt water resistance: 55 μm × 18 days.
Embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail.
Be summarized as follows, in the present invention: described initiator is metal ion superoxide.
Two or more mixture in described composite emulsifying sulfosuccinate, tensio-active agent containing sulfonic acid, carboxyl, straight chain sulphophenyl sulfonate, alkyl alcohol block polyether, Sodium dodecylbenzene sulfonate.Reactive emulsifier is alkyl phenoxyl polyether thiourea hydrochlorate, containing two or more in allylic alkyl sulfosuccinates salt, special double bond containing alcohol ether sulphates.
Described modified crosslinking type monomer is one in double bond containing urea heterocyclic compound, response type organosilicon or mixture.
Acrylic Acid Monomer and vinyl monomer are three kinds or several in isobutoxymethyl-acrylate, alkoxyl group polyethylene glycol methacrylate-styrene polymer, linear acrylate ester, methylic acrylate, double bond containing both-end ester.
Described metal ion graft reaction type kind liquid is the acrylic acid esters co-polymer after metal ion graft modification.
Specific embodiment one:
The special-purpose aqueous anticorrosion emulsion of a kind of multi-component copolymer rust transformation primer, the raw material preparing this product comprises the component of following weight fraction: vinylidene 65 parts, vinyl monomer 15 parts, Acrylic Acid Monomer 0.5 part; stablize protected monomer 1 part; functional monomer 0.5 part, PH conditioning agent 0.05 part, modified crosslinking type monomer 2 parts; compound emulsifying agent 1 part; reactive emulsifier 0.5 part, metal ion graft reaction type kind liquid 10 parts, initiator 0.05 part; reductive agent 0.02 part, 100 parts, water.
A preparation method for the described special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer, comprises the steps:
(1) by weight the deionized water of initiator 0.05 part, total amount 5% is made into initiator solution;
(2) by weight the deionized water of reductive agent 0.02 part, total amount 5% is made into the reductive agent aqueous solution;
(3) by weight by compound emulsifying agent 0.05 part, reactive emulsifier 0.05 part, the deionized water of total amount 15% is configured to emulsifier aqueous solution;
(4) vinylidene 65 parts, vinyl monomer 15 parts, Acrylic Acid Monomer 0.5 part, stablizes protected monomer 1 part, functional monomer 0.5 part, PH conditioning agent 0.05 part, and modified crosslinking type monomer 2 parts of Homogeneous phase mixing are configured to mix monomer;
(5) by accounting for the water of total amount 65%, the compound emulsifying agent accounting for total amount 30%, the reactive emulsifier accounting for total amount 60%, PH conditioning agent, metal ion graft reaction type kind liquid, stablizer fully mix and put in reactor;
(6) heat up in protection of inert gas, pressure is that under 0.012Mpa and temperature 60 C, emulsifier aqueous solution, treats that pressure increase arrives 0.05Mpa, and temperature rises to 65 DEG C, drips emulsifier aqueous solution and mix monomer;
(7) keep temperature of reaction 65 DEG C, drip mix monomer, emulsifier aqueous solution, initiator, reaction 5.5 is little to be dripped off up to mix monomer and emulsifier aqueous solution, continues to drip initiator, is warmed up to 70 DEG C simultaneously, and reaction pressure starts to decline;
(8) when reacting system pressure drops to 0Mpa, add 0.02 part of stablizer, then from reactive system, remove residual unreacted monomers, discharging after cooling to less than 40 DEG C.
Specific embodiment two:
The special-purpose aqueous anticorrosion emulsion of a kind of multi-component copolymer rust transformation primer, the raw material preparing this product comprises the component of following weight fraction: vinylidene 75 parts, vinyl monomer 20 parts, Acrylic Acid Monomer 1.5 parts; stablize protected monomer 2 parts; functional monomer 1.5 parts, PH conditioning agent 0.1 part, modified crosslinking type monomer 3 parts; compound emulsifying agent 2 parts; reactive emulsifier 1.5 parts, metal ion graft reaction type kind liquid 15 parts, initiator 0.2 part; reductive agent 0.08 part, 100 parts, water.
A preparation method for the special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer according to claim 1, comprises the steps:
(1) by weight the deionized water of initiator 0.2 part, total amount 10% is made into initiator solution;
(2) by weight the deionized water of reductive agent 0.08 part, total amount 8% is made into the reductive agent aqueous solution;
(3) by weight by compound emulsifying agent 0.1 part, reactive emulsifier 0.1 part, the deionized water of total amount 25% is configured to emulsifier aqueous solution;
(4) vinylidene 75 parts, vinyl monomer 20 parts, Acrylic Acid Monomer 1.5 parts, stablizes protected monomer 2 parts, functional monomer 1.5 parts, PH conditioning agent 0.1 part, and modified crosslinking type monomer 3 parts of Homogeneous phase mixing are configured to mix monomer;
(5) by accounting for the water of total amount 75%, the compound emulsifying agent accounting for total amount 50%, the reactive emulsifier accounting for total amount 80%, PH conditioning agent, metal ion graft reaction type kind liquid, stablizer fully mix and put in reactor;
(6) heat up in protection of inert gas, pressure is that at 0.030Mpa and temperature 65 DEG C, emulsifier aqueous solution, treats that pressure increase arrives 0.065Mpa, and temperature rises to 70 DEG C, drips emulsifier aqueous solution and mix monomer;
(7) keep temperature of reaction 70 DEG C, drip mix monomer, emulsifier aqueous solution, initiator, reaction 7 is little to be dripped off up to mix monomer and emulsifier aqueous solution, continues to drip initiator, is warmed up to 75 DEG C simultaneously, and reaction pressure starts to decline;
(8) when reacting system pressure drops to 0.02Mpa, add 0.08 part of stablizer, then from reactive system, remove residual unreacted monomers, discharging after cooling to less than 40 DEG C.
Specific embodiment three:
The special-purpose aqueous anticorrosion emulsion of a kind of multi-component copolymer rust transformation primer, the raw material preparing this product comprises the component of following weight fraction: vinylidene 70 parts, vinyl monomer 18 parts, Acrylic Acid Monomer 1.0 parts; stablize protected monomer 1.5 parts; functional monomer 1.0 parts, PH conditioning agent 0.08 part, modified crosslinking type monomer 2.5 parts; compound emulsifying agent 1.5 parts; reactive emulsifier 1.0 parts, metal ion graft reaction type kind liquid 13 parts, initiator 0.1 part; reductive agent 0.06 part, 100 parts, water.
A preparation method for the special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer described in basis, comprises the steps:
(1) by weight the deionized water of initiator 0.1 part, total amount 8% is made into initiator solution;
(2) by weight the deionized water of reductive agent 0.06 part, total amount 6% is made into the reductive agent aqueous solution;
(3) by weight by compound emulsifying agent 0.08 part, reactive emulsifier 0.08 part, the deionized water of total amount 20% is configured to emulsifier aqueous solution;
(4) vinylidene 70 parts, vinyl monomer 18 parts, Acrylic Acid Monomer 1.0 parts, stablizes protected monomer 1.5 parts, functional monomer 1.0 parts, PH conditioning agent 0.08 part, and modified crosslinking type monomer 2.5 parts of Homogeneous phase mixing are configured to mix monomer;
(5) by accounting for the water of total amount 70%, the compound emulsifying agent accounting for total amount 40%, the reactive emulsifier accounting for total amount 70%, PH conditioning agent, metal ion graft reaction type kind liquid, stablizer fully mix and put in reactor;
(6) heat up in protection of inert gas, pressure is that at 0.020Mpa and temperature 63 DEG C, emulsifier aqueous solution, treats that pressure increase arrives 0.055Mpa, and temperature rises to 68 DEG C, drips emulsifier aqueous solution and mix monomer;
(7) keep temperature of reaction 67 DEG C, drip mix monomer, emulsifier aqueous solution, initiator, reaction 6 is little to be dripped off up to mix monomer and emulsifier aqueous solution, continues to drip initiator, is warmed up to 73 DEG C simultaneously, and reaction pressure starts to decline;
(8) when reacting system pressure drops to 0.01Mpa, add 0.06 part of stablizer, then from reactive system, remove residual unreacted monomers, discharging after cooling to less than 40 DEG C.
The emulsion that the present invention produces, color oyster white blueing phase, long term storage stability is good, can combine that being prepared into becomes rusty and transform to paint with multiple auxiliary agent.Rust transformation primer after preparation can carry out the construction of band rust to corrosion base material, and after being coated in corrosion substrate surface, paint film finishes in blue purple or black, effectively can carry out conversion reaction to the iron rust of corrosion layer.
It is fast that the rust transformation primer made by this emulsion has paint film surface drying, and rust conversion rate is fast; VOC content is low; Good to metal base sticking power; The advantages such as hardness of paint film is high, and paint film rustless property is excellent, and good weatherability stablizes environmental protection, and anticorrosion timeliness is long.According to coating thickness and technique difference, metallic surface not corrosion in 20 ~ 50 years can be kept.Because polymerization is aqueous phase mutually, there is the feature of the low VOC of environmental protection.
In the present invention, gained emulsion property index is as follows: solid content (%): 60; Viscosity (mPas): 90; Surface tension (mN/m): 50; PH value: 2.0; Hot storage stability (55 DEG C): 60 days; Second-order transition temperature (Tg): 25 DEG C; Minimum film-forming temperature (MFT): 16 DEG C; Sandblasting steel plate sticking power: 0 grade; Cold-rolled steel sheet sticking power: one-level; Salt spray resistance: 55 μm × 500 hours; Salt water resistance: 55 μm × 18 days.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.

Claims (7)

1. the special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer, it is characterized in that: the raw material preparing this product comprises the component of following weight fraction: vinylidene 65 ~ 75 parts, vinyl monomer 15 ~ 20 parts, Acrylic Acid Monomer 0.5 ~ 1.5 part, stablize protected monomer 1 ~ 2 part, functional monomer 0.5 ~ 1.5 part, PH conditioning agent 0.05 ~ 0.1 part, modified crosslinking type monomer 2 ~ 3 parts, compound emulsifying agent 1 ~ 2 part, reactive emulsifier 0.5 ~ 1.5 part, metal ion graft reaction type kind liquid 10 ~ 15 parts, initiator 0.05 ~ 0.2 part, reductive agent 0.02 ~ 0.08 part, 100 parts, water.
2. a preparation method for the special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer according to claim 1, is characterized in that: comprise the steps:
By weight the deionized water of initiator 0.05 ~ 0.2 part, total amount 5 ~ 10% is made into initiator solution;
By weight the deionized water of reductive agent 0.02 ~ 0.08 part, total amount 5 ~ 8% is made into the reductive agent aqueous solution;
By weight by compound emulsifying agent 0.05 ~ 0.1 part, reactive emulsifier 0.05 ~ 0.1 part, the deionized water of total amount 15 ~ 25% is configured to emulsifier aqueous solution;
Vinylidene 65 ~ 75 parts, vinyl monomer 15 ~ 20 parts, Acrylic Acid Monomer 0.5 ~ 1.5 part, stablizes protected monomer 1 ~ 2 part, functional monomer 0.5 ~ 1.5 part, PH conditioning agent 0.05 ~ 0.1 part, modified crosslinking type monomer 2 ~ 3 parts of Homogeneous phase mixing are configured to mix monomer;
By accounting for the water of total amount 65 ~ 75%, the compound emulsifying agent accounting for total amount 30 ~ 50%, the reactive emulsifier accounting for total amount 60 ~ 80%, PH conditioning agent, metal ion graft reaction type kind liquid, stablizer fully mix and put in reactor;
Heat up in protection of inert gas, pressure is at 0.012 ~ 0.030Mpa and temperature 60 ~ 65 DEG C, emulsifier aqueous solution, and treat that pressure increase is to 0.05 ~ 0.065Mpa, temperature rises to 65 ~ 70 DEG C, drips emulsifier aqueous solution and mix monomer;
Keep temperature of reaction 65 ~ 70 DEG C, drip mix monomer, emulsifier aqueous solution, initiator, reaction 5.5 ~ 7 is little to be dripped off up to mix monomer and emulsifier aqueous solution, continues to drip initiator, is warmed up to 70 ~ 75 DEG C simultaneously, and reaction pressure starts to decline;
When reacting system pressure drops to 0 ~ 0.02Mpa, add 0.02 ~ 0.08 part of stablizer, then from reactive system, remove residual unreacted monomers, discharging after cooling to less than 40 DEG C.
3. the preparation method of the special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer according to claim 2, is characterized in that: described initiator is metal ion superoxide.
4. the preparation method of the special-purpose aqueous anticorrosion emulsion of multi-component copolymer according to claim 2 rust transformation primer, is characterized in that: two or more the mixture in described composite emulsifying sulfosuccinate, tensio-active agent containing sulfonic acid, carboxyl, straight chain sulphophenyl sulfonate, alkyl alcohol block polyether, Sodium dodecylbenzene sulfonate; Reactive emulsifier is alkyl phenoxyl polyether thiourea hydrochlorate, containing two or more in allylic alkyl sulfosuccinates salt, special double bond containing alcohol ether sulphates.
5. the preparation method of the special-purpose aqueous anticorrosion emulsion of multi-component copolymer according to claim 2 rust transformation primer, is characterized in that: described modified crosslinking type monomer is one in double bond containing urea heterocyclic compound, response type organosilicon or mixture.
6. the preparation method of the special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer according to claim 2, is characterized in that: Acrylic Acid Monomer and vinyl monomer are three kinds or several in isobutoxymethyl-acrylate, alkoxyl group polyethylene glycol methacrylate-styrene polymer, linear acrylate ester, methylic acrylate, double bond containing both-end ester.
7. the preparation method of the special-purpose aqueous anticorrosion emulsion of multi-component copolymer rust transformation primer according to claim 2, is characterized in that: described metal ion graft reaction type kind liquid is the acrylic acid esters co-polymer after metal ion graft modification.
CN201510628010.4A 2015-09-29 2015-09-29 Special waterborne anti-corrosion emulsion for multi-component copolymerization rust converting primer and preparation method of emulsion Pending CN105153346A (en)

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PCT/CN2015/092620 WO2017054268A1 (en) 2015-09-29 2015-10-23 Multi-component copolymer aqueous anti-corrosion emulsion dedicated for rust converting primer and preparation method therefor

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CN107151490A (en) * 2017-06-06 2017-09-12 安徽康瑞高科新材料技术工程有限公司 One kind rust transformant waterborne rusted paint and its preparation technology
CN107698705A (en) * 2017-09-27 2018-02-16 南通瑞普埃尔生物工程有限公司 A kind of resistance to high special-purpose aqueous anti-corrosion emulsion of acid-alkali salt and preparation method thereof
CN108976976A (en) * 2018-06-07 2018-12-11 宁波帝杨电子科技有限公司 A kind of environment protecting water-based paint and preparation method thereof
CN114835859A (en) * 2022-07-04 2022-08-02 山东兴鲁环保新材料有限公司 Reactive emulsion with rust conversion function and preparation method thereof

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