CN105542077A - Phosphate passivant composition and water paint composition containing same - Google Patents
Phosphate passivant composition and water paint composition containing same Download PDFInfo
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- CN105542077A CN105542077A CN201510988062.2A CN201510988062A CN105542077A CN 105542077 A CN105542077 A CN 105542077A CN 201510988062 A CN201510988062 A CN 201510988062A CN 105542077 A CN105542077 A CN 105542077A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
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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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/006—Metal
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/281—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing only one oxygen, e.g. furfuryl (meth)acrylate or 2-methoxyethyl (meth)acrylate
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Abstract
The invention relates to a phosphate passivant composition and a water paint composition containing the same, and provides the phosphate passivant composition which is prepared from (a1) 1 to 35 parts by weight of phosphate modified (methyl) acrylate (acrylamide); (a2) 5 to 50 parts by weight of C1-25 alkyl modified (methyl) acrylate; (a3) 0 to 20 parts by weight of styrene monomers.
Description
Technical field
The invention belongs to chemical technology field, relate to a kind of phosphoric acid ester passivator composition.Specifically, the present invention relates to a kind of phosphoric acid ester aluminium powder passivator being applicable to water-miscible paint.The invention still further relates to the water-miscible paint composition comprising this passivator composition.
Background technology
Effect pigment, as aluminium powder, can provide good metal sense visual effect for paint film, have good modification.Particularly in automobile finish industry, widespread use.On the other hand, consider from environmental angle, the aqueous latex paint of low VOC (VOC) quantity discharged is greatly developed.So aqueous metallic paint has very large application market.
Aluminium powder for oil paint is directly dispersed in water instability, is easy to water reaction and generates hydrogen.If the aqueous metallic paint of preparation is positioned in airtight container, the generation of gas makes barrel internal pressure raise the easily swollen bucket accident of generation, and hydrogen is explosive, is a kind of potential safety hazard.Meanwhile, aluminium powder surface is corroded by water molecules, and minute surface sense is deteriorated, and weakens its metal-like.Paint is longer for storage period, and above two problems can be more serious.
For solving the stability problem of aluminium powder in water, mainly contain following two kinds of strategies at present: (1) inorganics parcel aluminium powder (United States Patent (USP) 5,372,638), as chromium, inorganic silicon etc.; The parcel of inorganics, decreases the probability of collision of aluminium powder and water molecules, reduces speed of reaction, stabilize aluminium powder, but the coated flicker effect reducing aluminium powder of inorganics, and this type of aluminium powder is expensive; (2) organic passivates passivation aluminium powder, organic passivates is phosphoric acid/Hypophosporous Acid, 50/phosphate-based polymer (United States Patent (USP) 4,717,424,7,462,392 and 5,429,674, U.S. Patent application 2014/0076201A1) mainly.This method compares the coated aluminium powder of inorganics, little on the impact of aluminium powder flicker effect, and cheap.
The phosphoric acid class organic passivates reported in prior art, phosphate ester units is only in (United States Patent (USP) 5 in chain end or chain, 034,556 and 5,429,674, U.S. Patent application 2014/0076201A1 and 456716), functional unit content is few, thus can Rational Conjecture itself and aluminium powder surface action relatively weak, coated passivation aluminium powder effect can be affected.
Therefore, for the above-mentioned defect existed in prior art, this area is in the urgent need to more reasonable design passivator formula, thus can simple adjusting function phosphate ester units content, efficient targeting and aluminium powder surface bonding, promote to improve coated aluminum powder rate, and the passivation aluminium powder effect taken into account passivation aluminium powder remain excellent while consistency in water-borne coatings.
Summary of the invention
The invention provides a kind of phosphoric acid ester passivator composition of novelty and comprise its water-miscible paint composition, thus solving problems of the prior art.
On the one hand, the invention provides a kind of phosphoric acid ester passivator composition, it comprises:
(a1) (methyl) acrylate (acrylamide) of the phosphoric acid ester modification of 1-35 weight part;
(a2) C of 5-50 weight part
1-25(methyl) acrylate of alkyl modified; And
(a3) styrene monomer of 0-20 weight part.
In one preferred embodiment, described component (a1) comprises following structure:
In formula, R
1for hydrogen or methyl;
R
2for hydrogen or C
1-10alkyl;
R
3and R
4can be identical or different, be respectively hydrogen or C
1-8alkyl or aryl;
X, Y and Z can be identical or different, are respectively carbon atom or heteroatoms, and wherein said heteroatoms comprises O, S and N;
n＝0-20。
Another preferred embodiment in, described component (a2) comprising: (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) propyl acrylate, (methyl) n-butyl acrylate, (methyl) isobutyl acrylate, (methyl) Ethyl acrylate, (methyl) EHA, (methyl) 2-EHA, 2-(methyl) cyclohexyl acrylate, (methyl) caprolactone, (methyl) isooctyl acrylate ester, (methyl) isobornyl acrylate, (methyl) decyl acrylate, (methyl) lauryl acrylate, (methyl) Process Conditions of Cetane Acrylate, (methyl) stearyl acrylate acid esters, and combination.
Another preferred embodiment in, described component (a2) also comprises functional group, and described functional group comprises carboxylic acid, hydroxyl, amino and siloxane groups.
Another preferred embodiment in, described component (a3) comprising: vinylbenzene and styrene derivatives, and wherein, described styrene derivatives comprises o-methyl styrene, p-methylstyrene, p-tert-butylstyrene and to chloro-styrene.
Another preferred embodiment in, the weight-average molecular weight Mw of described composition is 5000-30,000, polymeric dispersity PDI is 2-5, is obtained by free radical solution polymerization.
Another preferred embodiment in, the polymerization temperature of described free radical solution polymerization is 80-150 DEG C, and the organic solvent of use comprises propylene glycol monomethyl ether, propylene-glycol ethyl ether, ethylene glycol monomethyl ether, diethylene glycol dimethyl ether, ethylene glycol ethyl ether, glycol propyl ether, butyleneglycol methyl ether and combination thereof.
Another preferred embodiment in, described composition also comprises the radical initiator of 0.5-5 weight part.
On the other hand, the present invention relates to the purposes of above-mentioned composition for passivating metallic surfaces, wherein said metal comprises aluminium powder, bronze and ferric oxide.
Again on the one hand, the invention provides a kind of water-miscible paint composition, it comprises above-mentioned composition, and wherein said water-miscible paint comprises automobile finish, industrial paint and ink printing paint.
Embodiment
Present inventor is through extensive and deep research, for the above-mentioned defect existed in prior art, by more appropriate design passivator formula, thus simple adjusting function phosphate ester units content, efficient targeting and aluminium powder surface bonding, facilitate and improve coated aluminum powder rate; On the other hand, be coated on the passivator isolation aluminium powder on aluminium powder surface and the effect of water molecules and passivator chemical structure to be closely related, and passivator formula chemical structure of the present invention is easy to adjustment, the passivation aluminium powder effect that can passivation aluminium powder taken into account remain excellent while consistency in water-borne coatings.
In a first aspect of the present invention, provide a kind of phosphoric acid ester aluminium powder passivator being applicable to water-miscible paint, containing multiple bound phosphate groups in this passivator polymer chain architecture, can multidigit point target and aluminium powder surface action; Meanwhile, phosphoric acid ester neighbour group and main polymer chain can isolate aluminium powder and water molecules, and minimizing aluminium powder and water molecules generate hydrogen, the various types of aluminium powder of effective passivation.This passivator mainly comprises:
(a1) (methyl) acrylate (acrylamide) of the phosphoric acid ester modification of 1-35 weight part;
(a2) C of 5-50 weight part
1-25(methyl) acrylate of alkyl modified; And
(a3) styrene monomer of 0-20 weight part.
In the present invention, described passivator is that weight-average molecular weight Mw is in 5000-30,000, and polymeric dispersity PDI is in the random copolymers of 2-5, and outward appearance is water white transparency thick liquid.Can obtain through general radical solution polymerization.
In the present invention, (methyl) acrylate (acrylamide) that described component (a1) phosphoric acid ester is modified can select commodity monomers, the 2-methacryloxyethyl phosphoric acid ester etc. that such as common prosperity chemistry (Shanghai) Co., Ltd. sells; Or from complex functionality monomer, react (United States Patent (USP) 4,280,960 and 6,403,820B1) such as preparing with fatty alcohol phosphate and Epoxy-functionalized (methyl) vinylformic acid.Also rear modification can be adopted to prepare containing the polymkeric substance of functioning side base.
In the present invention, described component (a1) comprises following structure:
In formula, R
1for hydrogen or methyl;
R
2for hydrogen or C
1-10alkyl, wherein alkyl can be straight chain, branching type or ring texture;
R
3and R
4can be identical or different, be respectively hydrogen or C
1-8alkyl or aryl, wherein alkyl can be straight chain, branching type or ring texture;
X, Y and Z can be identical or different, are respectively carbon atom or heteroatoms as O, S and N, and wherein X preferred O, Y also can be other link groups, as-COO etc.;
n＝0-20。
In the present invention, the polymerizable vinyl of (methyl) acrylate (acrylamide) of described component (a1) phosphoric acid ester modification can be acrylate, methacrylic ester, acrylamide, methacryloyl amine; Phosphoric acid ester can be phosphoric acid, Hypophosporous Acid, 50, phosphoric acid ester (substituting group is identical or different); The group that links of polymerizable groups and bound phosphate groups can be carbochain (carbonatoms) or containing heteroatomic alkyl chain.
In the present invention, described component (a2) C
1-25alkyl carbon chain in (methyl) acrylate of alkyl modified can be line style, branching type and ring-type etc.(methyl) acrylate that the alkyl carbon chain that can be used for being polymerized is modified can carry out selecting (can select one or combine) from following monomer: (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) propyl acrylate, (methyl) n-butyl acrylate, (methyl) isobutyl acrylate, (methyl) Ethyl acrylate, (methyl) EHA, (methyl) 2-EHA, 2-(methyl) cyclohexyl acrylate, (methyl) caprolactone, (methyl) isooctyl acrylate ester, (methyl) isobornyl acrylate, (methyl) decyl acrylate, (methyl) lauryl acrylate, (methyl) Process Conditions of Cetane Acrylate, (methyl) stearyl acrylate acid esters etc.
In the present invention, described component (a2) C
1-25(methyl) acrylate of alkyl modified also comprises (methyl) acrylate containing functional group, and described functional group comprises carboxylic acid, hydroxyl, amino, siloxane groups etc.This kind of monomer can carry out selecting (or combination) from following monomer: (methyl) vinylformic acid, methylene-succinic acid, styracin, β-crotonic acid, (methyl) Hydroxyethyl acrylate, (methyl) Propylene glycol monoacrylate, (methyl) vinylformic acid 2-hydroxypropyl acrylate, (methyl) acrylate, (methyl) vinylformic acid diethylamino ethyl ester, (methyl) vinylformic acid trimethylsilyl group, 3-(trimethoxysilyl) propyl acrylate etc.The functional unit of mutual tolerance can be selected to combine and to prepare synthetic polymer, to reach better effect.
In the present invention, described component (a3) styrene monomer comprises: vinylbenzene and styrene derivatives, wherein, described styrene derivatives comprise o-methyl styrene, p-methylstyrene, p-tert-butylstyrene, to chloro-styrene etc.
In the present invention, the radical initiator also containing a small amount of (0.5-5 weight part) in the synthesizing formula of auxiliary agent.The kind of spendable radical initiator is a lot, as azo, peroxide etc., and wherein preferred peroxide.Radical initiator such as dibenzoyl peroxide, dilauroyl peroxide, di-t-butyl peroxide, dicumyl peroxide, peroxy dicarbonate two (2-ethylhexyl) ester, the tertiary own ester of peroxidation PIVALIC ACID CRUDE (25), the tert-Butyl peroxypivalate, 2 of available use, two (tert-butyl peroxide) butane of 2-etc., above radical initiator all can directly be bought from domestic manufacturers.
In the present invention, the synthesis of parcel auxiliary agent is obtained by regular solution radical polymerization, polymerization temperature is about 80-150 DEG C, the organic solvent be suitable for comprises propylene glycol monomethyl ether, propylene-glycol ethyl ether, ethylene glycol monomethyl ether, diethylene glycol dimethyl ether, ethylene glycol ethyl ether, glycol propyl ether, butyleneglycol methyl ether etc., can use wherein a kind of solvent or use mixed solvent.
Passivator of the present invention not only can be used for passivation aluminium powder, also can be used for other metallic surfaces of passivation, as bronze, ferric oxide etc., is applicable to each sort aqueous paint, as automobile finish, industrial paint, ink printing paint etc.
In a second aspect of the present invention, provide a kind of method of synthesizing above-mentioned passivator, the method comprises the following steps:
Reaction solvent is dropped in reaction flask, be heated to about 80-150 DEG C, preferably about 120 DEG C; In succession add polymerization single polymerization monomer successively, stir about 10-30 minute, preferably about 10 minutes; Slow dropping peroxy type free radical initiator solution, is added dropwise to complete rear stirring reaction and is about 2-5 hour, and preferably about 2 hours, temperature of reaction controlled at about 80-150 DEG C all the time, preferably about 120 DEG C; Postreaction solvent in reaction flask, cooling reaction system is to about 80-120 DEG C, and preferably about 80 DEG C, 1 μm of membrane filtration takes out.
Major advantage of the present invention is:
The present invention, can simple adjusting function phosphate ester units content by more appropriate design passivator formula, and efficient targeting and aluminium powder surface bonding, facilitate raising coated aluminum powder rate; And passivator formula chemical structure of the present invention is easy to adjustment, the passivation aluminium powder effect that can passivation aluminium powder taken into account remain excellent while consistency in water-borne coatings.
Containing multiple bound phosphate groups in passivator polymer chain architecture of the present invention, can multidigit point target and aluminium powder surface action; Meanwhile, phosphoric acid ester neighbour group and main polymer chain can isolate aluminium powder and water molecules, and minimizing aluminium powder and water molecules generate hydrogen, the various types of aluminium powder of effective passivation.The function monomer selectable range that this passivator polymkeric substance comprises is wide, and proportioning is easy to adjustment, and synthesis is simple, cost is low.Filled a prescription by reasonably optimizing, for different subjects resin system, while maintenance excellent compatibility, good passivation aluminium powder effect can be reached.
embodiment
The present invention is set forth further below in conjunction with specific embodiment.But, should be understood that these embodiments only do not form limitation of the scope of the invention for illustration of the present invention.Experimental technique described in following embodiment, if no special instructions, is ordinary method; Described reagent and material, if no special instructions, all can obtain from commercial channels.Monomer used in embodiment is polymerization-grade, and initiator is Industrial products.Except as otherwise noted, all per-cent and number are by weight.
Embodiment 1: the synthesis of passivator P1, P2 and P3
Raw material and the proportioning of synthesis passivator P1, P2 and P3 is listed in following table 1.
Table 1
The synthesis technique of passivator P1: component A is dropped in the round-bottomed flask of 1L, and be heated to 80-100 DEG C; Phosphate ester-containing monomer in B component and solvent propylene glycol methyl ether mixed and joins in round-bottomed flask, in succession adding each material in B component afterwards, stirring 10-30 minute; Slow dropping component C, be added dropwise to complete rear stirring reaction 2-5 hour, temperature of reaction controls all the time at 80-100 DEG C; In reaction flask, add component D, cooling reaction system to 80 DEG C, 1 μm of membrane filtration takes out.
The synthesis technique of passivator P2 and P3: component A is dropped in the round-bottomed flask of 1L, and be heated to 120-150 DEG C; Phosphate ester-containing monomer in B component and solvent propylene glycol methyl ether mixed and joins in round-bottomed flask, in succession adding each material in B component afterwards, stirring 10-30 minute; Slow dropping component C, be added dropwise to complete rear stirring reaction 2-5 hour, temperature of reaction controls all the time at 120-150 DEG C; In reaction flask, add component D, cooling reaction system to 120 DEG C, 1 μm of membrane filtration takes out.
Embodiment 2: the synthesis (using different phosphate ester monomer amounts) of passivator P4 and P5
Raw material and the proportioning of synthesis passivator P4 and P5 is listed in following table 2.
Table 2
The synthesis technique of passivator P4 and P5: component A is dropped in the round-bottomed flask of 1L, and be heated to 120-150 DEG C; Phosphate ester-containing monomer in B component and solvent propylene glycol methyl ether mixed and joins in round-bottomed flask, in succession adding each material in B component afterwards, stirring 10-30 minute; Slow dropping component C, be added dropwise to complete rear stirring reaction 2-5 hour, temperature of reaction controls all the time at 120-150 DEG C; In reaction flask, add component D, cooling reaction system to 120 DEG C, 1 μm of membrane filtration takes out.
Embodiment 3: the synthesis (using different polymerization single polymerization monomers (a2)) of passivator P6, P7, P8, P9 and P10
Raw material and the proportioning of synthesis passivator P6, P7, P8, P9 and P10 is listed in following table 3.
Table 3
The synthesis technique of passivator P6, P7, P8, P9 and P10: component A is dropped in the round-bottomed flask of 1L, and be heated to 120-150 DEG C; Phosphate ester-containing monomer in B component and solvent propylene glycol methyl ether mixed and joins in round-bottomed flask, in succession adding each material in B component afterwards, stirring 10-30 minute; Slow dropping component C, be added dropwise to complete rear stirring reaction 2-5 hour, temperature of reaction controls all the time at 120-150 DEG C; In reaction flask, add component D, cooling reaction system to 120 DEG C, 1 μm of membrane filtration takes out.
Embodiment 4: use different passivator P1-P10 to prepare aluminium powder dispersion pulp
The raw material preparing aluminium powder dispersion pulp and proportioning is listed in following table 4.
Table 4
The preparation technology of aluminium powder dispersion pulp: will starch aluminium powder ZX1066 dispersed with stirring 30-60 minute in solvent ethylene glycol butyl ether, and guarantee that aluminium powder will disperse completely, without sinking to the bottom conglomeration; Add passivator P1-P10 respectively, stir 30-60 minute; Confirm without particle with transparent polyester sheet stream plate.
Embodiment 5: use different passivator addition and slurry aluminium powder type to prepare aluminium powder dispersion pulp
The raw material preparing aluminium powder dispersion pulp and proportioning is listed in following table 5.
Table 5
The preparation technology of aluminium powder dispersion pulp: will starch aluminium powder ZX1066, ZXS-116 or ZXS-115 dispersed with stirring 30-60 minute in solvent ethylene glycol butyl ether, and guarantee that aluminium powder will disperse completely, without sinking to the bottom conglomeration; Add passivator P8, commercially available prod 1 or commercially available prod 2, stir 30-60 minute; Confirm without particle with transparent polyester sheet stream plate.
Embodiment 6: use passivation aluminium powder to prepare water-miscible paint
The raw material preparing water-miscible paint and proportioning is listed in following table 6.
Table 6
| Raw material | Proportioning (mass ratio) |
| Setaqua6803(nuplex) | 60 |
| Cymel 327 (profound new) | 4 |
| Deionized water | 10 |
| Dimethylethanolamine 10% aqueous solution | 2 |
| Aluminium powder dispersion pulp | 16 |
| Dimethylethanolamine 10% aqueous solution | 3 |
| Tego 3060 (winning wound) | 0.5 |
| Deionized water | 4.5 |
| Amount to | 100 |
Technique is as follows: matrix resin Setaqua6803, cross-linked resin Cymel327 are mixed in water, adds 10% aqueous dimethylethanolamine and regulates pH to be 8.6-9.0; Stir after 30 minutes, slowly add aluminium powder dispersion pulp and stir 30 minutes, add 10% aqueous dimethylethanolamine and regulate pH to be 8.6-9.0; Add thickening material Tego3060, stir 30 minutes, add deionized water adjusting viscosity.
Get paint prepared by 300g and put into triangular flask, be placed in 40 DEG C of water-baths, after 30min, triangular flask is connected the inversion drop-burette filling water, within 7 days, measure hydrogen discharge amount (equaling volume of displacement) afterwards.
The aluminium powder dispersion pulp prepared by table 4 according to the simple and easy water-miscible paint of the formulated shown in upper table 6, and investigates hydrogen discharged amount.Experimental result is recorded in following table 7:
Table 7: passivator P1-P10 wraps up the exhaust experimental result that aluminium powder prepares water-miscible paint
The aluminium powder dispersion pulp prepared by table 5 according to the simple and easy water-miscible paint of the formulated shown in upper table 6, and investigates hydrogen discharged amount, and experimental result is recorded in following table 8:
Table 8
Above-mentioned listed embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should be technology category of the present invention.
The all documents mentioned in the present invention are quoted as a reference all in this application, are just quoted separately as a reference as each section of document.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read above-mentioned teachings of the present invention, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. a phosphoric acid ester passivator composition, it comprises:
(a1) (methyl) acrylate (acrylamide) of the phosphoric acid ester modification of 1-35 weight part;
(a2) C of 5-50 weight part
1-25(methyl) acrylate of alkyl modified; And
(a3) styrene monomer of 0-20 weight part.
2. composition as claimed in claim 1, it is characterized in that, described component (a1) comprises following structure:
In formula, R
1for hydrogen or methyl;
R
2for hydrogen or C
1-10alkyl;
R
3and R
4can be identical or different, be respectively hydrogen or C
1-8alkyl or aryl;
X, Y and Z can be identical or different, are respectively carbon atom or heteroatoms, and wherein said heteroatoms comprises O, S and N;
n＝0-20。
3. composition as claimed in claim 1, it is characterized in that, described component (a2) comprising: (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) propyl acrylate, (methyl) n-butyl acrylate, (methyl) isobutyl acrylate, (methyl) Ethyl acrylate, (methyl) EHA, (methyl) 2-EHA, 2-(methyl) cyclohexyl acrylate, (methyl) caprolactone, (methyl) isooctyl acrylate ester, (methyl) isobornyl acrylate, (methyl) decyl acrylate, (methyl) lauryl acrylate, (methyl) Process Conditions of Cetane Acrylate, (methyl) stearyl acrylate acid esters, and combination.
4. composition as claimed in claim 1, it is characterized in that, described component (a2) also comprises functional group, and described functional group comprises carboxylic acid, hydroxyl, amino and siloxane groups.
5. composition as claimed in claim 1, it is characterized in that, described component (a3) comprising: vinylbenzene and styrene derivatives, and wherein, described styrene derivatives comprises o-methyl styrene, p-methylstyrene, p-tert-butylstyrene and to chloro-styrene.
6. the composition according to any one of claim 1-5, is characterized in that, the weight-average molecular weight Mw of described composition is 5000-30,000, and polymeric dispersity PDI is 2-5, is obtained by free radical solution polymerization.
7. composition as claimed in claim 6, it is characterized in that, the polymerization temperature of described free radical solution polymerization is 80-150 DEG C, and the organic solvent of use comprises propylene glycol monomethyl ether, propylene-glycol ethyl ether, ethylene glycol monomethyl ether, diethylene glycol dimethyl ether, ethylene glycol ethyl ether, glycol propyl ether, butyleneglycol methyl ether and combination thereof.
8. the composition according to any one of claim 1-5, is characterized in that, described composition also comprises the radical initiator of 0.5-5 weight part.
9. the composition according to any one of claim 1-8 is used for the purposes of passivating metallic surfaces, and wherein said metal comprises aluminium powder, bronze and ferric oxide.
10. a water-miscible paint composition, it comprises the composition according to any one of claim 1-8, and wherein said water-miscible paint comprises automobile finish, industrial paint and ink printing paint.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885604A (en) * | 2019-12-13 | 2020-03-17 | 山东七维新材料有限公司 | Oil-based silver paste for automobile water-based paint and automobile water-based paint |
| CN112552812A (en) * | 2019-09-26 | 2021-03-26 | 雅图高新材料有限公司 | Water-based single-component automobile paint containing transparent iron oxide pigment and preparation method thereof |
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| EP0458245A1 (en) * | 1990-05-21 | 1991-11-27 | Nippon Paint Co., Ltd. | Aqueous coating composition |
| CN101218267A (en) * | 2005-07-08 | 2008-07-09 | 西巴特殊化学品控股有限公司 | (Meth)acrylamide phosphorus monomer compositions |
| CN101522835A (en) * | 2006-10-03 | 2009-09-02 | 关西涂料株式会社 | Aqueous metallic coating composition and method for forming a multilayer coating film |
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| EP0458245A1 (en) * | 1990-05-21 | 1991-11-27 | Nippon Paint Co., Ltd. | Aqueous coating composition |
| CN101218267A (en) * | 2005-07-08 | 2008-07-09 | 西巴特殊化学品控股有限公司 | (Meth)acrylamide phosphorus monomer compositions |
| CN101522835A (en) * | 2006-10-03 | 2009-09-02 | 关西涂料株式会社 | Aqueous metallic coating composition and method for forming a multilayer coating film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552812A (en) * | 2019-09-26 | 2021-03-26 | 雅图高新材料有限公司 | Water-based single-component automobile paint containing transparent iron oxide pigment and preparation method thereof |
| CN110885604A (en) * | 2019-12-13 | 2020-03-17 | 山东七维新材料有限公司 | Oil-based silver paste for automobile water-based paint and automobile water-based paint |
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