CN107586493A - Water based primer compositions, the priming paint obtained by it and the double-deck system containing the priming paint - Google Patents
Water based primer compositions, the priming paint obtained by it and the double-deck system containing the priming paint Download PDFInfo
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Abstract
This disclosure relates to a kind of water based primer compositions, the priming paint obtained by it and the double-deck system containing the priming paint, the water based primer compositions include the adhesive agent emulsion system of the cross-linkable copolymers with least one reactive group, the rust resisting pigment based on trbasic zinc phosphate, Yi Jishui.Priming paint that the disclosure further relates to be obtained by the water based primer compositions, the double-deck coating system containing the priming paint and the finish paint obtained by water base finish compositions, the method and the water based primer compositions that coat product surface to obtain double-deck coating system using the water based primer compositions are used for the purposes of the steel construction piece used coated in corrosive environment as C3 or under the environment lower than C3.
Description
Technical field
This disclosure relates to anticorrosive coating composition, is combined more particularly to water based primer compositions, by the water-based primer
Priming paint that thing obtains and coated on the duplex for including the priming paint and the finish paint obtained by water base finish compositions on base material
System, the wherein base material can be the steel handled by appropriate surfaces or the steel for being pre-coated with shop primer.
Background technology
Anticorrosive coating composition is widely used in navigation and marine industry, it may also be used for such as bridge, container, refining
The steel construction portion on factory, petrochemical industry, power plant, holding vessel, crane, windmill and civil structural such as airport, building
Part etc..This coating composition can be based on some adhesive compositions, such as based on esters of silicon acis, epoxy resin, polyurethane, cyclisation rubber
The adhesive composition of glue, phenoxy resin etc..
Coating composition generally includes paint base composition, middle coating compositions and finish compositions.Paint base composition mesh
It is preceding mainly to include two categories below：Solventbased primer composition based on (organic) solvent and the water-based primer combination based on water
Thing.
Solventbased primer composition produces a large amount of volatile organic matters (VOC), only by taking container industry as an example, makes at present
More than 100,000 tons VOC are discharged in solventbased primer composition estimation every year, and this produces a large amount of pollutions not only for environment, simultaneously
Very big harm is also resulted in for the health of operator.Recently for the increasingly pass to environmental problem and for operator's health
Note, water based primer compositions obtain more extensive concern and development.
In the water base paint compositions industrially used at present, particularly in the paint base composition for preparing prime coat
In, in order to ensure the corrosion resistance of priming paint, it usually needs include zinc component in paint base composition.In this priming paint containing zinc
In, zinc serves as sacrificial anode material and protects the base material such as steel substrate as negative electrode.The corrosion resistance of priming paint depends on zinc bottom
Paint can form galvanic circle, as long as keep system electric conductivity and enough zinc be present to serve as anode, then base material is for example
Steel substrate will obtain electrochemical protection.Therefore, the zinc particle in yellow zinc chromate primer paint needs tightly packed and generally utilized very high
Zinc content prepare yellow zinc chromate primer paint.
In order to reduce cost and while can be used each effectively to the various base materials offer protection including steel
Kind of method reduces zinc content.Such as US 6,287,372 is disclosed and is reduced zinc powder in composition by being introduced into ceramic microsphere
Content.
It remains desirable, however, that improve existing including corrosion resistance for priming paint by cost-effectively and in a manner of limiting zinc powder dosage
Interior various performances.In addition, in the art, in addition to corrosion resistance, particularly in such as general dry cargo container field,
For various mechanically and chemically performances such as hardness, water resistance, impact resistance and the bonding of each coating including priming paint
Property etc. all many-sided there is specific require.
In order to obtain preferably machinery and corrosion protection etc., in the coating for product such as general dry cargo container
In system, in addition to priming paint and finish paint, generally also need to set intermediate coat between.In other words, in order to ensure coating
Above-mentioned various performances, at present particularly in the coating system as outside coating system, use substantially priming paint-in
Between paint-finish paint three-layer coating system.
The content of the invention
The disclosure aims to solve the problem that one or more in technical problem present in prior art.
The present inventor by largely studying it was unexpectedly found that：Have extremely specific adhesive composition is included
The water-based adhesive emulsion system and specific rust resisting pigment of the crosslinkable copolymer emulsion of a few reactive group are base
In the case that the rust resisting pigment of trbasic zinc phosphate is applied in combination, compared with the zinc-rich primer compositions of routine, it can not make completely
In the case of with zinc powder, the priming paint with superperformance is still obtained.
The present inventor is also unexpectedly found that by largely studying：Can not only using the paint base composition of the present invention
The priming paint with superperformance is obtained, and the priming paint can combine one well in the case of without intermediate coat with finish paint
Rise and be totally different from the double-deck coating system of prior art to provide, the double-deck coating system not only water resistance, corrosion resistance,
Cohesive and impact resistance etc. have excellent performance, and completely without using zinc powder, so having for cost can be improved
Effect property.Further, since the disclosure uses water based primer compositions rather than solventbased primer composition, so the present invention is also aobvious
Work reduces VOC emission.
The disclosure by provide water based primer compositions as described below, the priming paint obtained by the water based primer compositions,
And the double-deck system including the priming paint and the finish paint obtained by water base finish compositions, exist in the prior art so as to solve
Technical problem in it is one or more.That is, the disclosure can not only reduce cost, Er Qieyou without using zinc powder completely
In using water-based system so also significantly reducing VOC discharge.
This disclosure relates to embodiments below.
In one embodiment, the disclosure provides a kind of water based primer compositions, comprising based on the total of the composition
The following components by weight percentage of weight：
A) 30wt% to 70wt% gluing comprising the crosslinkable copolymer emulsion with least one reactive group
Mixture emulsion system,
B) 5wt% to the 20wt% rust resisting pigment based on trbasic zinc phosphate,
C) 5wt% to 20wt% water.
In the disclosure, above-mentioned water content is not including the water in emulsion.
In one embodiment, described adhesive emulsion system includes the acrylic acid copolymer that can be solidified by epoxy emulsion
Thing emulsion.
In one embodiment, described adhesive emulsion system includes the cross-linkable binding agent system of reactivity, described
The cross-linkable binding agent system of reactivity includes crosslinkable AA emulsion, and the AA emulsion can
Solidified by epoxy emulsion.
In one embodiment, the AA emulsion includes two or more in following components：Third
Olefin(e) acid, methacrylic acid, acrylate, methacrylate, hydroxy acrylic acid, hydroxy acrylate, hydroxy
Ester and and phenylethene modified acrylate.
In one embodiment, the copolymer emulsion includes at least one function that can be reacted with epoxide group
Group, one or more of the functional group in following：Carboxyl, amino, hydroxyl or amide groups.
In one embodiment, the epoxy emulsion includes the one or more in following components：Bisphenol-A epoxy tree
Fat, bisphenol F epoxy resin, bisphenol-A/bisphenol F epoxy resin, epoxy phenolics, based on the epoxy resin of bisphenol-A in water it is newborn
The emulsion or dispersion of change.
In one embodiment, the water content of described adhesive emulsion system is 30wt% to 60wt%, preferably
40wt% to 55wt%, more preferably 45wt% are to 55wt%.
In one embodiment, the one or more based on the rust resisting pigment of trbasic zinc phosphate in following：Phosphorus
Sour zinc-aluminium, phosphoric acid zinc-manganese, zinc iron phosphate, trbasic zinc phosphate molybdenum, trbasic zinc phosphate and trbasic zinc phosphate modified compound.
In one embodiment, the water based primer compositions also include one or more of additions in following
Agent：One kind in titanium dioxide, iron oxide yellow, iron oxide red, cobalt blue, bismuth pigment, organic pigment and carbon black coloring agent or
More kinds of pigment, pH adjusting agent such as ammonium hydroxide, other antirust agent such as natrium nitrosum, dispersant such as ammonium polyacrylate salt, kill
The mixture of biological agent such as isothiazolone and bronopol, filler such as talcum, nepheline syenite, barium sulfate, calcium carbonate, mica, cloud
Female iron oxide and silicate, polyalcohol defoamer of the defoamer as be free of silicone, foaming control agent, thickener such as bentonite thicken
Agent and polyether polyols thickener, trimethyl -1, the 3- pentanediol mono isobutyrate (Texanol) of coalescents such as 2,2,4-,
Propane diols, glycol monoethyl ether, modifying agent such as block polymers of polyurethane, wetting agent, organic clay, rheological agent such as silica
Aeroge, levelling agent, solvent such as alcohol such as C1-6Alcohol (such as ethanol, propyl alcohol and absolute ethyl alcohol), 2,2,4- trimethyls -1,3- penta 2
Alcohol mono isobutyrate, propane diols, glycol ether, dimethylbenzene, toluene, ketone, preservative, and other auxiliary agents such as polysiloxanes breast
Liquid, the polysiloxane emulsion of modification, the polysiloxane emulsion being modified in particular with amido functional group silicone resin,.
In one embodiment, amount of the described adhesive emulsion system in the water based primer compositions is with weight
Amount is calculated as 35wt% to 65wt%, preferably 40wt% to 60wt%, more preferably 45wt% to 60wt%, further preferred 50wt%
To 60wt%.
In one embodiment, the presence based on the rust resisting pigment of trbasic zinc phosphate in the water based primer compositions
Amount is 6wt% to 16wt%, preferably 7wt% to 12wt%, more preferably 8wt% to 10wt% by weight.
In one embodiment, amount of the water in the water based primer compositions is 6wt% by weight
To 15wt%, preferably 7wt% to 10wt%.The water content does not include the water content of emulsion.
In one embodiment, the disclosure provides a kind of comprising the water based primer compositions limited according to the disclosure
External member, the external member include two or more containers, and one of container includes epoxy emulsion as curing agent, and described
Remaining component of water based primer compositions is included in other containers.
In one embodiment, the disclosure provides a kind of priming paint, and it is combined by water-based primer according to the present disclosure
Thing obtains.
In one embodiment, the disclosure provides a kind of double-deck coating system, and it is included by according to the present disclosure
The priming paint of water based primer compositions acquisition and the finish paint obtained by water base finish compositions.
In one embodiment, included for forming the water base finish compositions of the double-deck coating system described in the disclosure
Following components by weight：
A) 30wt% to the 70wt% adhesive agent emulsion system comprising AA emulsion,
B) 5wt% to 20wt% water (water content does not include including the water in emulsion),
C) 10wt% to 60wt% additive, one or more of the additive in following：Selected from dioxy
Change one or more of pigment in titanium, iron oxide yellow and carbon black coloring agent, pH adjusting agent such as ammonium hydroxide, antirust agent such as Asia
Sodium nitrate, trbasic zinc phosphate, dispersant such as ammonium polyacrylate salt, the mixture of biocide such as isothiazolone and bronopol, filler is such as
Talcum, nepheline syenite, barium sulfate, calcium carbonate, polyalcohol defoamer of the defoamer as be free of silicone, foaming control agent, thickening
Agent such as bentonite thickener and polyether polyols thickener, trimethyl -1, the 3- pentanediol list isobutyl of coalescents such as 2,2,4-
Acid esters, propane diols, glycol monoethyl ether, propylene glycol monomethyl ether, modifying agent such as block polymers of polyurethane, wetting agent are organic viscous
Soil, rheological agent such as aerosil, levelling agent, polysiloxane emulsion, the polysiloxane emulsion of modification, in particular with ammonia
The polysiloxane emulsion that base functional group silicone resin is modified, and preservative.
In one embodiment, the AA emulsion includes two or more in following components：Third
Olefin(e) acid, methacrylic acid, acrylate, methacrylate, hydroxy acrylic acid, hydroxy acrylate, hydroxy
Ester and and phenylethene modified acrylate.
In one embodiment, the disclosure provides a kind of coating product surface to obtain the method for double-deck coating system,
Including：Apply the water based primer compositions according to the disclosure at least a portion of product surface, and then coated thereon
According to the water base finish compositions of the disclosure.
In one embodiment, the disclosure provides a kind of water based primer compositions according to the present disclosure and is used to coat
The purposes of the steel construction piece used in the case where the corrosive environment defined according to the standards of ISO 12944 is C3 or the environment lower than C3.
In one embodiment, the steel construction piece include container, heavy duty equipment, civil buildings steel construction,
Harbour or the plant equipment on airport, and bridge, refinery, petrochemical industry, power plant, holding vessel, crane, windmill and
The steelwork component of civil structural such as large stadium, building.
In one embodiment, the disclosure provides a kind of water based primer compositions according to the disclosure and is used to coat shipping
With the purposes of seavan.
In the disclosure, by by adhesive agent emulsion system particularly AA emulsion-epoxy emulsion system with
Antirusting paint is based particularly on the rust resisting pigment of trbasic zinc phosphate, especially zinc aluminophosphate is applied in combination, and not only makes resulting priming paint
With good mechanically and chemically performance such as water resistance, corrosion resistance, cohesive and impact resistance, and completely without using
Zinc powder；In addition, the priming paint can provide double-deck system together with topcoat composition, so as to avoid the use of intermediate coat；Enter
One step, because the paint base composition and finish compositions that utilize are water base coating system, so being combined with solvent based coating
Thing is compared, and also significantly reduces VOC discharge.
In the disclosure, due to utilizing AA emulsion-epoxy emulsion system, so the two is being mixed to obtain
Obtain the water based primer compositions according to the disclosure and the administration in the water based primer compositions and be subsequently cured as the mistake of paint film
Cheng Zhong, due in AA emulsion contain with epoxide group reaction functional group, so can with epoxy emulsion
Epoxide group reacts, and so as to form the network structure of crosslinking, thus makes resulting priming paint and what is accordingly obtained include
The double-deck coating system of the priming paint obtains good machinery and Corrosion Protection.
In the disclosure, it is anti-based on trbasic zinc phosphate by being introduced in the AA emulsion-epoxy emulsion system
Become rusty pigment, especially zinc aluminophosphate, via the synergy of said components, thus resulting priming paint is obtained good machine
Tool and Corrosion Protection.
In the disclosure, by by the water based primer compositions according to the disclosure with being equally that water base finish compositions enter
Row is applied in combination, and the double-deck coating system with good mechanically and chemically performance can be obtained, so as to avoid intermediate coat
Use, not only save cost, and reduce processing step.
Embodiment
Adhesive agent emulsion system
In the paint base composition of the disclosure, the adhesive agent emulsion system included in it includes having at least one reaction
The crosslinkable copolymer emulsion of property group.In the disclosure, the crosslinkable copolymer emulsion refers to following emulsion：Its
By standard copolymerization thing emulsion being modified or being modified with least one reactive group, the thus reactive group energy
Epoxide group in enough and group such as epoxy emulsion in other emulsions occurs further to be reacted to give the network structure of crosslinking.
In the disclosure, the copolymer emulsion can be the AA emulsion that can be solidified by epoxy emulsion, in the system
In, AA emulsion and epoxy emulsion are mixed to prepare the water based primer compositions of the disclosure and in the water
During the subsequent applications of based primer composition and solidification, due to containing at least one and epoxide group in AA emulsion
The functional group of reaction, so the AA emulsion can be reacted with epoxy emulsion to form the netted knot of crosslinking
Structure.
AA emulsion
In the paint base composition of the disclosure, AA emulsion is generally via various acrylic monomers in water
Emulsion polymerization is carried out in the presence of initiator in the presence of emulsifying agent to obtain.In the disclosure, AA emulsion bag
Containing at least one functional group that can be reacted with epoxide group, one or more of the functional group in following：Carboxyl,
Amino, hydroxyl or amide groups.
In the disclosure, the water content of the AA emulsion is 30wt% to 70wt%, preferably 35wt%
It is still more preferably 45wt% to 55wt% to 65wt%, more preferably 40wt% to 60wt%.
Epoxy emulsion
Epoxy emulsion generally carries out emulsification acquisition in water by epoxy resin in the presence of emulsifying agent.In the disclosure,
The water content of epoxy emulsion is 30wt% to 70wt%, and preferably 35wt% to 65wt%, more preferably 40wt% are extremely
60wt%, it is still more preferably 45wt% to 55wt%.
Include but is not limited to available for the epoxy resin in the epoxy emulsion of the disclosure：Bisphenol A epoxide resin, Bisphenol F ring
Emulsion that oxygen tree fat, bisphenol-A/bisphenol F epoxy resin, epoxy phenolics, the epoxy resin based on bisphenol-A emulsify in water or
Dispersion.
Rust resisting pigment based on trbasic zinc phosphate
In the disclosure, the rust resisting pigment based on trbasic zinc phosphate includes but is not limited to：Zinc aluminophosphate, phosphoric acid zinc-manganese, trbasic zinc phosphate
The various compounds that iron, trbasic zinc phosphate molybdenum, trbasic zinc phosphate and phosphoric acid zinc modification obtain.
The preparation of coating composition
In the disclosure, paint base composition and finish compositions can be commonly used any appropriate by coating material production field
It is prepared by technology.Therefore, various composition can use high speed disperser, ball mill, ball mill, three-roll mill etc. to be mixed into one
Rise.Bag filter, Pa Dunshi can be used by including paint base composition and finish compositions according to the coating composition of the present invention
Filter, silk screen gap filter, wedge-shaped wire gauzee filter, metal edge filter etc. are filtered, or pass through vibration filtering
To be filtered.
Paint base composition and finish compositions are included by mixing two or more according to the coating composition of the disclosure
It is prepared by component, such as two kinds of premixs.Refer to that coating composition includes paint base composition and finish compositions it should be understood that working as
When, it is the coating composition of the mixing of ready for use.
As an example, included according to the paint base composition of the disclosure：Basic components containing AA emulsion,
And the curing agent component containing epoxy emulsion, when in use, by the basic components containing AA emulsion and containing epoxy breast
Untill the curing agent component of liquid is mixed and is sufficiently agitated until that mixture is uniform.Mixture can be applied immediately, such as pass through
Spray application.
The administration of coating composition
In the disclosure, the coating composition including paint base composition and finish compositions can pass through known mark
Quasi- application process is administered to base material especially steel construction, methods described such as conventional aerial spraying or by without gas-or mixed gas-
Spraying equipment, or as an alternative using brushing or roller coat, especially when as stripe coating and during repair coating.At this
In open, it is applied to the construction spraying equipment of standard according to the paint base composition of the disclosure and finish compositions, without extra
Equipment investment.
In the disclosure, further relate to using the water based primer compositions according to the disclosure and water base finish compositions come
The method for preparing double-deck coating system, methods described include：
(i) predetermined portions of product such as steel construction product surface will be applied to according to the water based primer compositions of the disclosure
On, thus formation can spontaneously dry on said surface or the primer film of baking-curing, the primer film preferably use baking-curing
Film forming,
(ii) it is at least partially cured curable primer film, is consequently formed primer coating,
(iii) finish compositions are applied on primer coating, curable top-coat paint film are thus formed on primer coating,
With
(iv) solidify curable top-coat paint film, and primer coating is fully cured if desired, be consequently formed
The double-deck coating system being made up of priming paint and finish paint.
Film thickness
In the disclosure, total thickness of dry film of double-deck coating system is usually 40 μm to 200 μm, preferably 50 μm to 150 μ
M, more preferably 80 μm to 120 μm.
Compared with the three-layer coating system for externally coated priming paint-intermediate coat-finish paint of routine, obtained according to the disclosure
The double-deck coating system obtained can significantly reduce the thickness of coating system, thereby reduce processing step and cost；In addition, even if
Compared with the three-layer coating system of priming paint-intermediate coat-finish paint including intermediate coat, according to the machine of the double-deck coating system of the disclosure
Tool and chemical property are substantially suitable or even better therewith such as corrosion resistance, impact resistance.
In the disclosure, it is as follows according to an embodiment, the thickness of double-deck coating system：
(i) first layer is that the thickness of dry film of priming paint is 20 μm to 100 μm, preferably 30 μm to 80 μm, more preferably 40 μm to 60 μ
m；With
(ii) second layer is that the thickness of dry film of finish paint is 20 μm to 100 μm, preferably 30 μm to 80 μm, more preferably 40 μm to 50
μm。
Embodiment
The preparation of paint base composition
Prepare component 1 in the following manner：
In 2.5 liters of tanks, the composition that rust resisting pigment, pigment, filler, additive and water provide according to such as table 1 below is added
Enter, be well mixed with the super mixer equipped with the impeller disk (diameter 90mm), then mix AA emulsion and 2,
2,4- trimethyl -1,3- pentanediol mono isobutyrates simultaneously stir.
Prepare component 2 in the following manner：
In 2.5 liters of tanks, the composition that epoxy emulsion and additive and water provide according to such as table 1 below is added, then with
It is well mixed equipped with the blender of the impeller disk (diameter 90mm).
Before use, component 2 is added in component 1 and is well mixed, to obtain paint base composition of the gross weight as 1kg.
Table 1：Paint base composition P1, P2 and P3 composition (parts by weight)
Method of testing
The preparation of test board
Steel plate (10 × 15cm × 1.6mm) be blasting treatment of the surface profile equivalent to BN 9 (Rugotest No.3) extremely
Sa 2.5 (ISO 8501-1) carbon steel.Using the steel plate of the basecoat composition according to the disclosure, after coating, make plate
Dry and place 7 days at 23 ± 2 DEG C of temperature and 50 ± 5% relative humidity.
Impact resistance is tested
In the disclosure, according to ASTM D2794/10 to the impact resistance of gained priming paint (including anti-frontal impact and anti-
Reverse side impact) it is measured, as a result it is shown in Table 2.Paint base composition P1, P2 and P3 of the disclosure performance are good, under
Face illustrates obtained performance by taking paint base composition P1 as an example.
Bending resistance is tested
In the disclosure, the bending resistance of gained priming paint is measured according to GB/T 1731, be as a result shown in Table 2.
Cohesive is tested
In the disclosure, the cohesive of gained priming paint is measured according to ASTM D3359/15, be as a result shown in Table 2.
Hardness test
In the disclosure, the hardness of gained priming paint is measured according to GB/T 6739, be as a result shown in Table 2.
Resistance to salt water is tested
In the disclosure, the resistance to salt water of gained priming paint is measured according to GB/T 9274, be as a result shown in Table 2.
Water resistance test
In the disclosure, the water resistance of gained priming paint is measured according to GB/T 1733, be as a result shown in Table 2.
Table 2：According to the paint base composition P1 of disclosure test result
It can be seen from upper table 2 according to the paint base composition P1 of the disclosure prepare priming paint have good impact resistance,
Bending resistance, cohesive, hardness, resistance to salt water and water resistance.
Next, by using according to the priming paint that the paint base composition of the disclosure obtains and the aqueous finish paint group using table 3 below
The topcoat composition that compound obtains together, to obtain according to the double-deck coating system of the disclosure, and to its mechanically and chemically performance
Evaluated.
Specifically, coated on test board, will be done according to the paint base composition P1 of the disclosure under 40 degrees Celsius
Dry 0.5 hour, finish compositions are then coated with, are then dried at 80 degrees celsius 0.5 hour, to obtain according to open
The double-deck coating system for including priming paint-finish paint.In addition, the disclosure also utilizes the water based primer compositions, water base of commercially available prod
Middle coating compositions and water base finish compositions, it is prepared for include priming paint-intermediate coat-finish paint three for outside coating system
Layer coating system, and be also prepared for being used for internal apply using the water based primer compositions and water base finish compositions of commercially available prod
The double-deck coating system of priming paint-finish paint of system is covered, and above-mentioned system is evaluated.On the details of above-mentioned commercially available prod,
It will be described in further part,
In the disclosure, by the inner face for the outer finish compositions T1 of outside coating system and for internal coat system
Coating compositions T2 is applied in combination with the paint base composition P1 according to the disclosure, to prepare the double-deck coating system according to the disclosure.
Outer finish compositions T1 for the outside coating system and interior finish compositions T2 for internal coat system composition is as follows
Shown by table 3.
Table 3：With the outer topcoat composition for outside coating system being applied in combination according to the paint base composition P1 of the disclosure
Thing T1 and interior finish compositions T2 for internal coat system composition
The concrete composition of each composition is given in the presently disclosed embodiments, on the content of each component, with weight
Measure part meter；On the gross weight of involved each composition, in embodiment, unless there are clearly opposite record, otherwise gained
The gross weight of each composition arrived is 1kg.
The water base commercially available prod used in the disclosure is as described below：For outside coating system and internal coat system
Paint base composition P4, Hempel ' s EcoBoxcoat ZINC 18360, it is zinc-rich primer compositions；Coated for outside
The middle coating compositions M1 of system, Hempel ' s EcoBoxcoat Primer 18300, it is coating compositions among epoxy；With
In finish compositions T3, Hempel ' the s EcoBoxcoat Topcoat 58000 of outside coating system, it is outside acrylic acid
Coating compositions；For finish compositions T4, Hempel ' the s EcoBoxcoat Interior 48230 of internal coat system, its
For finish compositions in acrylic acid.
In addition, the solventbased primer composition of the commercially available prod used in the disclosure, solvent-borne type among coating compositions and
Solvent-borne type finish compositions are as described below：For internal coat system and the solvent type epoxy zinc rich primer group of outside coating system
Compound S1, Hempadur ZINC 15360, it is zinc-rich epoxy primer composition；Solvent type ring for outside coating system
Coating compositions S2, Hempadur Primer 15300 among oxygen, it is coating compositions among epoxy；For internal coat system
Solvent type epoxy finish compositions S3, Hempadur HiBuild Topcoat 45200, its be epoxy in finish compositions；
For solvent-type acrylic the finish compositions S4, Hempatex 56430 of outside coating system, it is the outer topcoat composition of epoxy
Thing.
In addition, the disclosure also by the double-deck coating system that the paint base composition according to the disclosure and finish compositions obtain with
The double-deck coating system obtained using commercially available solventbased primer composition, middle coating compositions and finish compositions (is used for
Internal coat) or the various performances of three-layer coating system (be used for outside coating) contrasted, as a result as shown in table 4 below to 5.
For resulting in the disclosure bilayer or three-layer coating system, in addition to carrying out above-mentioned test, also carry out
Following test.
Rust-preventing characteristic is tested
In the disclosure, the rust-preventing characteristic of gained bilayer or three-layer coating system is measured according to ASTM D610/10,
As a result table 4 below is shown in in 5.
Rust creepage is tested
In the disclosure, the rust creepage of gained bilayer or three-layer coating system is carried out according to ASTM D1654/10
Measure, table 4 below is as a result shown in in 5.
Color measurement
In the disclosure, the bilayer or three-layer coating body that are used for outside coating system according to ASTM D2244/3 to gained
The color of system is measured, and is as a result shown in table 4 below in 5.
Glossiness is tested
In the disclosure, the bilayer or three-layer coating body that are used for outside coating system according to ASTM D 523/2 to gained
The glossiness of system is measured, and is as a result shown in table 4 below in 5.
In order to evaluate the combination property of gained bilayer or three-layer coating system, the world generally in the art is utilized to collect
The survey that NAB National Association 0f Broadcasters (The Institute of International Container Lessors, IICL) provide is hired out in vanning
Test-object standard is double-deck to gained or three-layer coating system is tested and given a mark, and is as a result shown in table 4 below in 5.
The three-layer coating system that table 4 is used for outside coating system (is also referred to as that " tri- layers of EcoBoxcoat is applied outside in the disclosure
Cover system "), according to the outside coating system of the double-deck coating system of the disclosure and three layers based on solvent (in the disclosure
Referred to as " tri- layers of outer coating systems of Hempadur/Hempatex ") IICL test results
, can be in nothing it can be seen from upper table 4 according to the paint base composition P1 of the disclosure when for outside coating system
In the case of intermediate coat need to being formed, combine to form double-deck coating system together with the outer finish paint T1 for outside coating system；With
Compared using the three-layer coating system of water-based priming paint-intermediate coat-finish paint of commercially available prod, the double-deck coating system not only saves
Intermediate coat, so as to improve production surface covered, and have also obtained with commercially available prod at least as good performance, some
Performance has even obtained a certain degree of raising for example in terms of the impact of anti-reflective face, and then combination property has obtained further carrying
It is high.Compared with using the three-layer coating system of solvent type priming paint-intermediate coat-finish paint of commercially available prod, obtained according to the disclosure
Double-deck coating system can not only eliminate intermediate coat, so as to improve production surface covered, and have also obtained with it is commercially available
At least equally good performance of product, even a certain degree of raising is obtained in some aspect of performances；In addition, VOC emission is notable
Reduce (will also provide further explanation to this below).
Table 5 is used for (being also referred to as in the disclosure using the water base double-deck coating system of commercially available prod for internal coat system
For " coating system in EcoBoxcoat bilayers "), according in coating system in the bilayer of the disclosure and the bilayer based on solvent
The IICL test results of portion's coating system (being also referred to as in the disclosure " coating system in Hempadur/Hempatex bilayers ")
It can be seen from upper table 5 according to the paint base composition P1 of the disclosure when for internal coat system, and for interior
The interior finish compositions T2 of portion's coating system combines to form double-deck coating system together；With the primer composition by commercially available water based product
The double-deck coating system of priming paint-finish paint that thing obtains is compared, and is obtained according to the double-deck coating system of the disclosure and commercially available prod
At least equally good performance, even obtained in terms of some performances such as water resistance and impact resistance particularly anti-reflective face impact
A certain degree of raising, and then combination property has even obtained further raising.With commercially available solvent type primer composition
The double-deck coating system for priming paint-finish paint that thing obtains with finish compositions is compared, the double-deck coating system obtained according to the disclosure
Performance at least in phase same level, some of which performance has even obtained further raising, and VOC emission significantly reduces
(further explanation will be also provided to this below).
Below according to ASTM D3960, to double-deck coating system and the commercially available solvent of priming paint-finish paint according to the disclosure
Type priming paint-intermediate coat-finish paint three-layer coating system and commercially available water base priming paint-intermediate coat-finish paint three-layer coating system exist
VOC emission when being coated for twenty equivalent unit is determined, as a result as shown in table 6 below.
Table 6 is according to the double-deck coating system of the disclosure relative to commercially available solvent-borne type and water base three-layer coating system
VOC emission amount
From above-mentioned, compared with using solvent bottom paint-intermediate coat of commercially available prod-finish paint three-layer coating system, root
Substantially reduced according to water base priming paint-finish paint bilayer coating system of the disclosure in terms of VOC emission, its VOC emission is only solvent
The 11% of type priming paint-intermediate coat-finish paint three-layer coating system, and even if bottom with water base EcoBoxcoat reference systems
Paint-intermediate coat-finish paint three-layer coating system is compared, and is arranged according to the VOC of the water base priming paint of the disclosure-finish paint bilayer coating system
Put and also obtained significant reduction.
Applicant indicate that although being described above in relation to the specific embodiment of the disclosure, however, to this area skill
Art personnel it is evident that be given above interior completely after those skilled in the art have been fully understood by the present invention
The concrete composition and content for holding such as each component are exemplary and explanat, and it is not intended to limit the scope of the present disclosure, this area
Technical staff can make various modifications and change to the disclosure without departing from the spirit or scope of the present invention
Scheme.Therefore, it is it is contemplated that all for the disclosure in the range of covering appended claims and its equivalent
Modification and change programme.
Claims (22)
1. a kind of water based primer compositions, comprising the gross weight based on the water based primer compositions by weight percentage
Following components：
A) 30wt% to the 70wt% adhesive for including the crosslinkable copolymer emulsion with least one reactive group
Emulsion system,
B) 5wt% to the 20wt% rust resisting pigment based on trbasic zinc phosphate,
C) 5wt% to 20wt% water.
2. water based primer compositions according to claim 1, wherein described adhesive emulsion system include can be by epoxy
The AA emulsion of emulsion solidification.
3. water based primer compositions according to claim 2, wherein the AA emulsion includes following components
In two or more：Acrylic acid, methacrylic acid, acrylate, methacrylate, hydroxy acrylic acid, hydroxy
Acid esters, hydroxyl-metacrylate and phenylethene modified acrylate.
4. water based primer compositions according to any one of the preceding claims, wherein the copolymer emulsion includes at least
One functional group that can be reacted with epoxide group, one or more of the functional group in following：Carboxyl, amino,
Hydroxyl or amide groups.
5. water based primer compositions according to claim 2, wherein the epoxy emulsion includes one kind in following components
Or more kind：Bisphenol A epoxide resin, bisphenol F epoxy resin, bisphenol-A/bisphenol F epoxy resin, epoxy phenolics, based on double
The emulsion or dispersion that phenol A epoxy resin emulsifies in water.
6. the water of water based primer compositions according to any one of the preceding claims, wherein described adhesive emulsion system
Content is 30wt% to 60wt%, preferably 40wt% to 55wt%.
7. water based primer compositions according to any one of the preceding claims, wherein the antirust face based on trbasic zinc phosphate
Expect the one or more in following：Zinc aluminophosphate, phosphoric acid zinc-manganese, zinc iron phosphate, trbasic zinc phosphate molybdenum, trbasic zinc phosphate and phosphorus
Sour zinc modification compound.
8. water based primer compositions according to any one of the preceding claims, wherein the antirust face based on trbasic zinc phosphate
Expect for zinc aluminophosphate.
9. water based primer compositions according to any one of the preceding claims, one kind in following or is more also included
Multiple additives：In titanium dioxide, iron oxide yellow, iron oxide red, cobalt blue, bismuth pigment, organic pigment and carbon black coloring agent
One or more of pigment, pH adjusting agent such as ammonium hydroxide, other antirust agent such as natrium nitrosum, dispersant such as polyacrylic acid
Ammonium salt, the mixture of biocide such as isothiazolone and bronopol, filler for example talcum, nepheline syenite, barium sulfate, calcium carbonate,
Mica, micaceous iron oxide and silicate, polyalcohol defoamer of the defoamer as be free of silicone, foaming control agent, thickener are for example swollen
Moisten native thickener and polyether polyols thickener, trimethyl -1, the 3- pentanediol mono isobutyrate of coalescents such as 2,2,4-, third
Glycol, glycol monoethyl ether, modifying agent such as block polymers of polyurethane, wetting agent, organic clay, rheological agent such as silica gas
Gel, levelling agent, solvent such as alcohol such as C1-6Alcohol (such as ethanol, propyl alcohol and absolute ethyl alcohol), 2,2,4- trimethyl -1,3- pentanediols
Mono isobutyrate, propane diols, glycol ether, dimethylbenzene, toluene, ketone, preservative, and other auxiliary agents such as polysiloxane emulsion,
Modified polysiloxane emulsion, the polysiloxane emulsion being modified in particular with amido functional group silicone resin.
10. water based primer compositions according to any one of the preceding claims, wherein described adhesive emulsion system exists
Amount in the water based primer compositions is 35wt% to 65wt%, preferably 40wt% to 60wt% by weight, more excellent
45wt% to 60wt%, further preferred 50wt% to 60wt% are selected,
11. water based primer compositions according to any one of the preceding claims, wherein the antirust based on trbasic zinc phosphate
Amount of the pigment in the water based primer compositions is 6wt% to 16wt%, preferably 7wt% to 12wt% by weight,
More preferably 8wt% to 10wt%.
12. water based primer compositions according to any one of the preceding claims, wherein the water is in the water-based primer
Amount in composition is 6wt% to 15wt%, preferably 7wt% to 10wt% by weight.
13. water based primer compositions according to claim 1, in addition to：5wt% to 45wt% filler and/or pigment,
0wt% to 10wt% organic solvent, 1wt% to 10wt% additive, and 1wt% to 15wt% curing agent.
14. a kind of external member for including the water based primer compositions limited such as any one of claim 1 to 13, the external member bag
Include two or more containers, one of container includes epoxy emulsion as curing agent, and the water based primer compositions
Remaining component be included in other containers in.
15. a kind of priming paint, it is obtained as the water based primer compositions any one of according to claim 1 to 13.
16. a kind of double-deck coating system, including obtained as the water based primer compositions any one of according to claim 1 to 13
The priming paint obtained and the finish paint obtained by water base finish compositions.
17. double-deck coating system according to claim 16, wherein the water base finish compositions include by weight
Following components：
A) 30wt% to the 70wt% adhesive agent emulsion system comprising AA emulsion,
B) 5wt% to 20wt% water,
C) 10wt% to 60wt% additive, one or more of the additive in following：Selected from titanium dioxide,
One or more of pigment in iron oxide yellow, iron oxide red, cobalt blue, bismuth pigment, organic pigment and carbon black coloring agent, pH are adjusted
Save agent such as ammonium hydroxide, antirust agent such as natrium nitrosum, trbasic zinc phosphate, dispersant such as ammonium polyacrylate salt, biocide such as isothiazole
The mixture of ketone and bronopol, filler such as talcum, barium sulfate, nepheline syenite, calcium carbonate, mica, micaceous iron oxide and silicic acid
Salt, polyalcohol defoamer of the defoamer as be free of silicone, foaming control agent, thickener such as bentonite thickener and polyurethane polymerization
Thing thickener, trimethyl -1, the 3- pentanediol mono isobutyrate of coalescents such as 2,2,4-, propane diols, glycol monoethyl ether, the third two
Alcohol monomethyl ether, modifying agent such as block polymers of polyurethane, wetting agent, organic clay, rheological agent such as aerosil, levelling
Agent, and preservative.
18. the double-deck coating system according to any one of claim 16 to 17, wherein the AA emulsion
Include two or more in following components：Acrylic acid, methacrylic acid, acrylate, methacrylate, hydroxy
Acid, hydroxy acrylate, hydroxyl-metacrylate and phenylethene modified acrylate.
19. a kind of coat product surface to obtain the method for double-deck coating system, including：To at least one of the product surface
The water based primer compositions for adding and being limited such as any one of claim 1 to 13 are given, and are then wanted in such as right of coating thereon
Seek the water base finish compositions of any one of 16 to 18 restrictions.
Marked 20. the water based primer compositions according to any one of claim 1 to 13 are used to be coated according to ISO 12944
Certainly adopted corrosive environment is the purposes of the steel construction piece used under C3 or the environment lower than C3.
21. purposes according to claim 20, wherein the steel construction piece includes container, heavy duty equipment, civilian
Construction steel structure, harbour or the plant equipment on airport, bridge, petrochemical industry such as refinery, power plant, holding vessel, lifting
Machine, windmill, large stadium, the steelwork component of building.
22. the water based primer compositions according to any one of claim 1 to 13 are used to coat shipping and seavan
Purposes.
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| CN201610529871.1A CN107586493A (en) | 2016-07-06 | 2016-07-06 | Water based primer compositions, the priming paint obtained by it and the double-deck system containing the priming paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610529871.1A CN107586493A (en) | 2016-07-06 | 2016-07-06 | Water based primer compositions, the priming paint obtained by it and the double-deck system containing the priming paint |
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Cited By (3)
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| CN108384364A (en) * | 2018-03-29 | 2018-08-10 | 常州永丰涂料有限公司 | Double-component water paint and preparation method thereof |
| CN109913072A (en) * | 2019-02-19 | 2019-06-21 | 上海工程技术大学 | A kind of aqueous coil mending paint and preparation method thereof |
| CN115335349A (en) * | 2020-01-29 | 2022-11-11 | 贝洱工艺公司 | Silicate-emulsion primers and coatings |
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| CN108384364A (en) * | 2018-03-29 | 2018-08-10 | 常州永丰涂料有限公司 | Double-component water paint and preparation method thereof |
| CN108384364B (en) * | 2018-03-29 | 2020-11-06 | 常州永丰涂料有限公司 | Double-component water-based paint and preparation method thereof |
| CN109913072A (en) * | 2019-02-19 | 2019-06-21 | 上海工程技术大学 | A kind of aqueous coil mending paint and preparation method thereof |
| CN109913072B (en) * | 2019-02-19 | 2020-11-03 | 上海工程技术大学 | Water-based coil steel repairing paint and preparation method thereof |
| CN115335349A (en) * | 2020-01-29 | 2022-11-11 | 贝洱工艺公司 | Silicate-emulsion primers and coatings |
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