CN105802361B - The aqueous rust conversion varnish of one kind and preparation method - Google Patents
The aqueous rust conversion varnish of one kind and preparation method Download PDFInfo
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- CN105802361B CN105802361B CN201610245357.5A CN201610245357A CN105802361B CN 105802361 B CN105802361 B CN 105802361B CN 201610245357 A CN201610245357 A CN 201610245357A CN 105802361 B CN105802361 B CN 105802361B
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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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
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Abstract
The invention belongs to anticorrosive paint technology fields, provide the aqueous rust conversion varnish of one kind and preparation method.It is film forming matter that the present invention, which is using aqueous composite resin emulsion system; it is acted on by bleeding agent; coating is set to infiltrate and penetrate into the rusty scale of entire steel surface; and it is reacted with the corrosion ferriferous oxide that steel surface is formed using rust transforming agent; form stable macromolecule organic resin-iron complex; become continuous seal coat to make rusty scale bond, to reach shielding anti-corrosion protection effect.The coating has certain antiseptic property, while having good matching with other anticorrosive paints, using this rust conversion varnish come application; construction intensity and difficulty can be reduced, is saved labour turnover, is reduced environmental pollution; construction environment cleaning is kept, long life anti corrosion protection is risen to steel substrate.
Description
Technical field
The invention belongs to anticorrosive paint technology fields, provide the aqueous rust conversion varnish of one kind and preparation method.More particularly to
Be a kind of varnish being used directly for the rust conversion of corrosion steel, which has preferable rust transformation and rustless property.
Background technology
Traditional anticorrosion of steel structure application mostly uses solvent based coating, that is, usually said " paint ".Solvent type applies
Material can use a large amount of organic solvent during production and use, and huge pollution is caused to environment, therefore, 2015
1 day 2 months, the formal concept for proposing to impose " the coating consumption tax " of country, it is intended to limit the use of solvent based coating, promote non-solvent
The development of type such as water paint, UV coating, powdery paints and high solid coating.
General coating will carry out the side of processing of rust removing, generally use sandblasting or ball blast before steel component external coating
Method generates the possibility of corrosion to reduce between steel substrate surface and paint film.But the processing of this method, it is time-consuming, efficiency is low, at
This height, while the component and execution conditions having can not carry out sandblasting.In addition sandblasting can also destroy base material, and construction site is adjoint simultaneously
Dust pollution.The work that derusts is not only heavy to be taken, but also increases additional cost.In general, the distribution of steel coating expense
Probably it is than row：Surface derusting accounts for 40 ~ 45%, and construction cost accounts for 25 ~ 30%, and coating cost accounts for 20 ~ 25%.
On rust paint is a kind of to can be used in derusting not exclusively or the directly painting of application on the metal watch that can not thoroughly derust
Material, and have good adhesive force.There are two most important features on rust paint, first, have enough penetrations, it can
The rusty scale for fully infiltrating and permeating entire substrate surface, makes rusty scale be separated with steel surface；Second is that can react with rusty scale
Property, it can make vivaciously to be harmful to rust transformation in rusty scale to be to the effective passivation layer of antirust.Presently used on rust paint resin is divided into
Solvent type resin and water-base resin, using organic matter as the on rust paint of solvent or decentralized medium in the production and use process, because
A large amount of organic solvent is used, huge energy waste and environmental pollution can be caused, the collection of the coating consumption tax is exactly to limit
The use of solvent based coating processed.
In patent of invention CN101698776B, disclose a kind of using oiliness alkyd resin as the pipe for oil well use band of film forming matter
Become rusty coating, although the coating can directly brush on the oil country tubular good within 30 microns of corrosion layer, there is excessive volatilization has
Solvent pollutes the problem of environment.Waterborne rusted paint is often used epoxy resin, phenolic resin, alkyd resin, acrylic resin, is gathered
Urethane resin and styrene-acrylic emulsion etc. are film-forming resin, but there are some such as adhesive force, weatherability, permeability, resistance to for single resin
The problem of the performances such as corrosivity deficiency.Patent of invention CN102816486A discloses a kind of acrylic acid trbasic zinc phosphate composite ceramics anti-corrosion
Coating, only when steel substrate pre-treatment meets international standards St2 grades of hand cleaning, formed coating just has good resistance to
The performances such as mill property, corrosion resistance, impact resistance, without solving the problems, such as to reduce construction cost well.
In order to improve the deficiencies in the prior art, the present invention has developed aqueous composite resin lotion, can be deeply infiltrated into iron
It becomes rusty in superfine gap, is complex solid by becoming rusty transforming agent effect by harmful rust transformation, and possess good with steel substrate
Binding force, solve current waterborne rusted paint adhesive force is insufficient, Resin permeability not enough, rust transformation energy force difference asks
Topic.
Invention content
It is film forming matter that the present invention, which is using aqueous composite resin emulsion system, is acted on by bleeding agent, coating is enable to soak
The ferriferous oxide for the corrosion moistened and penetrated into the rusty scale of entire steel surface, and formed using rust transforming agent and steel surface is anti-
It answers, forms stable macromolecule organic resin-iron complex, to make rusty scale be transformed into continuous seal coat, to reach screen
Cover anti-corrosion protection effect.Using this rust conversion varnish come application, construction intensity and difficulty can be reduced, is saved labour turnover, is reduced
Environmental pollution keeps construction environment cleaning, and long life anti corrosion protection is played to steel substrate.
It is an object of the present invention to provide a kind of function admirable, simple process, moderate cost aqueous rusty antiseptic varnish and its
Preparation method.
Aqueous rusty antiseptic varnish provided by the invention, by rust transforming agent, composite waterborne resin breast
Liquid, bleeding agent, auxiliary agent, deionized water composition, the quality parts ratio of raw material composition are：
| Raw material | Mass fraction |
| Become rusty transforming agent | 3-12 |
| Compound resin emulsion | 50-70 |
| Coalescents | 1-7 |
| Bleeding agent | 2-5 |
| Dispersant | 0.5-2 |
| Thickener | 1-2 |
| Antifoaming agent | 0.5-1 |
| Antifreezing agent | 2-5 |
| Deionized water | 20-35 |
Aqueous composite resin lotion is with St/ba Soap-free Emulsion, epoxy emulsion, pure acrylate lotion by quality in formula
Than being 7：2：1 matches；Solvay-type rust transforming agent is to be in mass ratio with gallic acid, tannic acid, modified tripolyphosphate zinc
2：1：0.5 mixed preparing forms；Bleeding agent is to plough the mixing of one or both of saccharic acid by glycerine, mountain；Coalescents are
TEXANOL or butyl glycol ether；Dispersant is calgon, and thickener is acrylate urethane thickener, and antifoaming agent is
Organic silicon, antifreezing agent are one or both of ethylene glycol, propylene glycol interworking.
The preparation process of aqueous rusty antiseptic varnish of the present invention is specific as follows：
（1）Prepare aqueous composite resin lotion
The epoxy emulsion of regulated proportion is added in bucket of stocking up and St/ba Soap-free Emulsion and stirs evenly, then is slowly added into pure
Acrylic acid ester emulsion, after 20 ~ 25min of 800rpm high-speed stirreds, then stir under 300rpm rotating speeds obtain within 10 minutes it is aqueous compound
Resin emulsion；
（2）Prepare target product high-performance environment protection type aqueous rusty antiseptic varnish
It is firstly added part water, coalescents, antifreezing agent, opens stirring 500-600rpm, stir about 30 minutes or so；
Dispersant and part antifoaming agent, uniformly rear addition rust transforming agent to be mixed, in 800- are added under 500-600rpm stirring conditions
It is stirred 30 minutes under 1000rpm, adds aqueous composite resin lotion, be uniformly mixed；Finally it is added after being uniformly dispersed
Remaining water and thickener filter and package after stirring evenly to adjust to suitable viscosity and just obtain aqueous rust conversion varnish.
Specific implementation mode
Embodiment 1：
50 parts of aqueous composite resin lotions are prepared in bucket of stocking up, method is：By 35 parts of St/ba Soap-free Emulsions and 10 parts
Epoxy emulsion is added in bucket and stirs evenly, then is slowly added into 5 parts of pure-acrylic emulsions, after 20 ~ 25min of 800rpm high-speed stirreds, then
10min is stirred under 300rpm rotating speeds, obtains aqueous composite resin lotion, it is spare.
Prepare aqueous rusty antiseptic varnish：Stirring at low speed 200rpm is opened after 25 parts of water are added in mixer, is slowly added
Enter 3 parts of coalescents, 2.5 parts of antifreezing agents, 500 ~ 600rpm rotating speeds stir 10min, then are slowly added into 1.5 parts of dispersants and 0.1
Part antifoaming agent, 6.2 parts of rust transforming agents of uniformly rear addition to be mixed, under the conditions of 800 ~ 1000rpm after stirring 30min, addition is matched
After being uniformly mixed, 15 parts of 0.1 part of antifoaming agent, 1 part of thickener and water is added in the 50 parts of aqueous composite resin lotions got ready,
It is adjusted to suitable viscosity, after mixing, filters and packages to obtain aqueous rust conversion varnish.
Embodiment 2：
58 parts of aqueous composite resins are prepared in bucket of stocking up, method is：By 40.6 parts of St/ba Soap-free Emulsions and 11.6 parts
Epoxy emulsion is added in bucket and stirs evenly, then is slowly added into 5.8 parts of pure-acrylic emulsions, after 20 ~ 25min of 800rpm high-speed stirreds,
10min is stirred under 300rpm rotating speeds again, obtains aqueous composite resin lotion, it is spare.
Prepare aqueous rusty antiseptic varnish：Stirring at low speed 200rpm is opened after 20 parts of water are added in mixer, is slowly added
Enter 3.5 parts of coalescents, 2.5 parts of antifreezing agents, 500 ~ 600rpm rotating speeds stir 10min, then be slowly added into 1.5 parts of dispersants and
0.1 part of antifoaming agent, 6.2 parts of rust transforming agents of uniformly rear addition to be mixed, after stirring 30min under the conditions of 800 ~ 1000rpm, is added
With the 58 parts of aqueous composite resin lotions got ready, after being uniformly mixed, 8 parts of 0.1 part of antifoaming agent, 1 part of thickener and water is added,
It is adjusted to suitable viscosity, after mixing, filters and packages to obtain aqueous rust conversion varnish.
Embodiment 3：
65 parts of aqueous composite resins are prepared in bucket of stocking up, method is：By 45.5 parts of St/ba Soap-free Emulsions and 13 parts of rings
Oxygen lotion is added in bucket and stirs evenly, then is slowly added into 6.5 parts of pure-acrylic emulsions, after 20 ~ 25min of 800rpm high-speed stirreds, then
10min is stirred under 300rpm rotating speeds, obtains aqueous composite resin lotion, it is spare.
Prepare aqueous rusty antiseptic varnish：Stirring at low speed 200rpm is opened after 15 parts of water are added in mixer, is slowly added
Enter 4 parts of coalescents, 2.5 parts of antifreezing agents, 500 ~ 600rpm rotating speeds stir 10min, then are slowly added into 1.5 parts of dispersants and 0.1
Part antifoaming agent, 6.2 parts of rust transforming agents of uniformly rear addition to be mixed, under the conditions of 800 ~ 1000rpm after stirring 30min, addition is matched
The 65 parts of aqueous composite resin lotions got ready after being uniformly mixed, are added 6 parts of 0.1 part of antifoaming agent, 1 part of thickener and water, adjust
It is whole to arrive suitable viscosity, after mixing, filter and package to obtain aqueous rust conversion varnish.
Evaluation method：Its coating antiseptic performance is evaluated with salt mist experiment.Salt mist experiment is according to standard GB/T/T1771-
2007 carry out, and model is the Q235 steel plates of 150mm × 75mm × 3mm, and using aerial spraying method prepares coating, coating layer thickness is
50 μm or so.The salt spray test time is 360 hours.
Above-described embodiment 1, embodiment 2,3 coating of embodiment are sprayed at respectively on the band rust steel plate of oil removing, derusting, room temperature
15 days dry, specific testing result is as follows：
The derusting for the steel surface that the present invention is suitable for having got rusty turns rust antirust treatment, has certain anti-corrosion ability,
The steel surfaces such as electric power facility, construction steel structure, factory's steel frame construction be can be widely used for as priming paint.It is small by 24 to turn rust liquid layer
When drying after, in can brushing apply and finishing coat, it is middle painting and finishing coat can be water paint, can also be solvent based coating.Though this product
There is preferable rust transformation function, for the anti-corrosion function for reducing material cost and coating being made to have reached, substrate surface is answered before construction
Surface and oil contaminant is removed, floating rust, oxide skin or thicker rusty scale wire brush are removed totally.This product can be used directly, generally not
It is recommended that being watered dilution.
Claims (3)
1. a kind of aqueous rust converts varnish, which is characterized in that it is made of the raw material of following mass parts：Aqueous composite resin lotion
50-70 parts, become rusty 3-12 parts of transforming agent, 1-7 parts of coalescents, 2-5 parts of bleeding agent, 0.5-2 parts of dispersant, and 1-2 parts of thickener disappears
0.5-1 parts of infusion, 2-5 parts of antifreezing agent, 20-35 parts of deionized water；
Wherein aqueous composite resin lotion is with St/ba Soap-free Emulsion, epoxy emulsion, pure acrylate lotion in mass ratio for 7:
2:1 is formulated；
Wherein rust transforming agent is solvay-type rust transforming agent, is with gallic acid, tannic acid, is modified tripolyphosphate zinc in mass ratio
It is 2:1:0.5 mixed preparing forms.
2. the aqueous rust of one kind according to claim 1 converts varnish, which is characterized in that preparation method includes following step
Suddenly：
Step 1：Aqueous composite resin lotion is prepared in bucket of stocking up, proportioning is：Without soap propyl benzene lotion:Epoxy emulsion:Pure third
Lotion=7:2:1；With cold spelling, the water-based emulsion in proportioning is sequentially added in bucket, is stirred 20 minutes in 800rpm, then
300rpm stir 10 minutes it is spare；
Step 2：Mixer is added in a part of water in being formulated, and opens stirring 500-600rpm, sequentially adds bleeding agent, film forming
Auxiliary agent, antifreezing agent stir 15 minutes；
Step 3：Add dispersant and part antifoaming agent, it is to be mixed uniformly after, rust transforming agent is added, is stirred in 800-1000rpm
It mixes 30 minutes；
Step 4：After being uniformly dispersed, rotating speed is reduced to 400-500rpm, sequentially adds aqueous composite resin lotion and remaining
Antifoaming agent is added remaining water and thickener to adjust to suitable viscosity after mixing, filters and packages after stirring evenly and just obtain
Aqueous rust converts varnish.
3. the aqueous rust of one kind according to one of claim 1-2 converts varnish, it is characterised in that：
（1）The bleeding agent is one or both of glycerine, mountain plough sugar alcohol interworking；
（2）The coalescents are TEXANOL or butyl glycol ether；
（3）The thickener is acroleic acid polyurethane class；
（4）The dispersant is calgon；
（5）The antifreezing agent is one or both of propylene glycol, ethylene glycol interworking.
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106118425A (en) * | 2016-08-11 | 2016-11-16 | 安庆市七仙女电器制造有限公司 | A kind of hair dryer anticorrosive coating and preparation method thereof |
| CN106349919B (en) * | 2016-08-26 | 2019-01-01 | 青岛展辰新材料有限公司 | Glass reinforced plastic aqueous priming paint |
| CN106543836A (en) * | 2016-10-26 | 2017-03-29 | 中国人民解放军空军勤务学院 | A kind of water-based anticorrosive paint |
| CN106634417B (en) * | 2016-12-07 | 2020-06-09 | 中国京冶工程技术有限公司 | Industrial legacy steel structure surface layer protective agent and preparation method and application thereof |
| CN106675234B (en) * | 2016-12-30 | 2018-01-26 | 广州铁路（集团）公司 | A kind of inshore railway building construction steel construction aqueous long-acting anticorrosion paint |
| CN106947365B (en) * | 2017-04-27 | 2019-03-19 | 深圳市赛亚气雾剂有限公司 | Water-based industrial paint method of production |
| CN107880664A (en) * | 2017-12-22 | 2018-04-06 | 江苏怡成屏障科技有限公司 | Environmentally friendly low-carbon rotation rust coating and preparation method thereof |
| CN110437707A (en) * | 2019-07-16 | 2019-11-12 | 湖南航天三丰科工有限公司 | A kind of novel aqueous rust conversion coatings and preparation method thereof |
| CN110527366B (en) * | 2019-09-19 | 2021-06-11 | 佛山市特优舒新型材料有限公司 | Water-based rust-transferring anticorrosive paint and preparation method thereof |
| CN111423792A (en) * | 2020-05-28 | 2020-07-17 | 涂创时代(苏州)科技开发有限公司 | Anticorrosion heat-insulation nano water-based integrated coating, coating and application |
| CN112300702B (en) * | 2020-11-10 | 2022-05-06 | 烟台大学 | Rusty protective coating with rust conversion function and preparation method thereof |
| CN114133624B (en) * | 2021-12-06 | 2022-06-28 | 深圳市峰源化工新材料股份有限公司 | Stearic acid mixture, preparation method and application thereof |
| CN114807920B (en) * | 2022-05-06 | 2023-11-21 | 浙大宁波理工学院 | Preparation of rust conversion agent |
| CN116441137A (en) * | 2022-11-08 | 2023-07-18 | 杭州臻世环境科技有限公司 | Anticorrosive coating process for air conditioner air inlet and outlet clamping channel |
| CN115926544A (en) * | 2023-01-06 | 2023-04-07 | 佛山市科切路威环保科技有限公司 | Water-based metal antirust paint and preparation method thereof |
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| CN101161739B (en) * | 2006-10-12 | 2012-06-06 | 上海路丰助剂有限公司 | Aqueous rust-conversion rust-inhibiting primer |
| CN102993846B (en) * | 2012-12-02 | 2014-12-31 | 安徽工业大学 | Aqueous anticorrosive paint of steel structure and preparation method thereof |
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