CN111363444A - Preparation method of high-adhesion self-crosslinking water-based paint - Google Patents
Preparation method of high-adhesion self-crosslinking water-based paint Download PDFInfo
- Publication number
- CN111363444A CN111363444A CN202010392139.0A CN202010392139A CN111363444A CN 111363444 A CN111363444 A CN 111363444A CN 202010392139 A CN202010392139 A CN 202010392139A CN 111363444 A CN111363444 A CN 111363444A
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- polyaniline
- based paint
- mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/02—Homopolymers or copolymers of monomers containing phosphorus
-
- 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
-
- 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
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
-
- 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
-
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
-
- 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
Abstract
The invention provides a preparation method of high-adhesion self-crosslinking water-based paint, which comprises the steps of firstly adding a solvent and an auxiliary agent into deionized water according to a proportion, uniformly dispersing, then sequentially adding a pigment filler and other fillers, fully grinding the mixture in a grinding device to a certain fineness, filtering the mixture by using 100-mesh gauze to prepare slurry, then mixing and stirring the modified resin emulsion and the slurry, uniformly dispersing the mixture, adding a proper thickening agent to adjust the solid content to be 85 percent, then adding a defoaming agent and a pH regulator, stirring and filtering the mixture to obtain the water-based paint, firstly synthesizing the self-crosslinking acrylate emulsion and the antirust pigment polyaniline, then, on the basis, other anti-rust pigment fillers and auxiliaries are added to develop the water-based metal anticorrosive paint with excellent performance, so that the environmental stability is improved, the anticorrosive performance of the composite paint is optimal, the metal is effectively isolated from media such as water, oxygen and electrolyte, and the metal is well protected.
Description
Technical Field
The invention relates to the technical field of water-based paint preparation, in particular to a preparation method of high-adhesion self-crosslinking water-based paint.
Background
Since the 30 s in the 20 th century, developed countries such as europe and the united states have developed aqueous anticorrosive coatings in succession, the aqueous film-forming polymer of the coating has been developed from non-crosslinked styrene-acrylic and pure acrylic to crosslinked styrene-acrylic, pure acrylic and silicone acrylic, the antirust pigment has been developed from toxic substances such as red lead and the like to the selection of low-toxic or nontoxic phosphate, iron titanium powder and the like with excellent antirust performance, the filler has been developed to glass, metal flakes and various superfine powders, the performance of the existing aqueous anticorrosive coatings can not reach the level of solvent-based metal coatings, and the following problems mainly exist: in the process of preparing the water-based paint, more surfactant is inevitably used to obtain the required paint performance, so that the electrical performance, water resistance, optical performance, paint film adhesion and the like of a paint film are reduced, and meanwhile, the water absorption of the paint film is increased, thereby seriously affecting the corrosion resistance of the paint film.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a preparation method of a high-adhesion self-crosslinking water-based paint.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a high-adhesion self-crosslinking water-based paint is designed, and comprises the following components: 11-15 parts of modified resin emulsion, 52-56 parts of pigment and filler, 8-13 parts of solvent, 0.4-0.8 part of auxiliary agent, 19-23 parts of other fillers and 95-100 parts of deionized water;
the preparation method of the self-crosslinking water-based paint comprises the following steps: firstly, adding a solvent and an auxiliary agent into deionized water according to a certain proportion, uniformly dispersing, then sequentially adding pigment and other fillers, fully grinding to a certain fineness in a grinding device, filtering with 100-mesh gauze to obtain slurry, then mixing and stirring the modified resin emulsion and the slurry, uniformly dispersing, adding a proper thickening agent to adjust the solid content to 85%, then adding a defoaming agent and a pH regulator, stirring, and filtering to obtain the water-based paint.
Preferably, the modified resin emulsion comprises cross-linked acrylate emulsion and polyaniline, and the addition parts by mass of the cross-linked acrylate emulsion and the polyaniline are as follows: 90-100 parts of cross-linked acrylate emulsion and 7-10 parts of polyaniline.
Preferably, the cross-linked acrylate emulsion comprises 1-4 parts of acrylate monomers, 75-90 parts of phosphate acrylate (P-A), 2-5 parts of 1, 6-hexanediol diacrylate (HDDA) and 70-90 parts of ketone carbonyl chemicals.
Preferably, the preparation method of the crosslinked acrylate emulsion comprises the following steps: adding a composite emulsifier, deionized water and a buffer agent into a reaction kettle, after the composite emulsifier, the deionized water and the buffer agent are uniformly dissolved, heating to about 74-78 ℃, then slowly adding a mixture of part of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA), dropwise adding a mixture of part of initiator solution and the rest of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA) at a certain speed, preserving heat for 40-60min after dropwise adding, dropwise adding a pre-emulsified shell monomer mixture, simultaneously adding an initiator aqueous solution, preserving heat for 40-50min after adding, heating to about 80-100 ℃, curing for 1h, cooling to 46-52 ℃, adjusting the pH value to 7-8 with ammonia water, filtering and discharging to obtain the crosslinked acrylate emulsion.
Preferably, the polyaniline comprises aniline (An), Ammonium Persulfate (APS), hydrochloric acid and Sodium Dodecyl Benzene Sulfonate (SDBS), and the mass ratio of aniline (An), Ammonium Persulfate (APS), hydrochloric acid and Sodium Dodecyl Benzene Sulfonate (SDBS) is as follows: 1:0.8-0.9:0.2.
Preferably, the polyaniline is prepared by the following steps: adding part of sodium dodecyl benzene sulfonate into 0.1mo/L hydrochloric acid aqueous solution, stirring until an emulsifier is completely dissolved, then adding all ammonium persulfate, dispersing at a high speed for 10-20min, preparing aniline monomer into hydrochloric acid aqueous solution, dropwise adding into the mixed solution, continuously stirring and reacting for 10-20h along with the addition of aniline aqueous solution, obtaining polyaniline microemulsion, carrying out vacuum filtration on the polyaniline microemulsion, washing with absolute ethyl alcohol and deionized water in sequence until filtrate is colorless, carrying out vacuum filtration for 0.2-0.8h, carrying out vacuum drying on the product at 55-65 ℃ for 36h, and grinding to obtain dark green powder, namely polyaniline.
Preferably, the pigment and filler is zinc phosphate tetrahydrate as an anti-corrosion filler.
Preferably, the other filler is at least one of aluminum tripolyphosphate modified by an extender and talcum powder and mica powder.
The preparation method of the high-adhesion self-crosslinking water-based paint has the beneficial effects that: according to the invention, the self-crosslinking acrylate emulsion and the antirust pigment polyaniline are synthesized firstly, and then the water-based metal anticorrosive paint with excellent performance is developed by adding other antirust pigment fillers and auxiliaries, so that the environmental stability is improved, the anticorrosive performance of the composite paint is optimal, the metal is effectively isolated from media such as water, oxygen and electrolyte, and the metal is well protected.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments,
example 1
A preparation method of a high-adhesion self-crosslinking water-based paint comprises the following components: 11 parts of modified resin emulsion, 52 parts of pigment and filler, 8 parts of solvent, 0.4 part of auxiliary agent, 19 parts of other filler and 95 parts of deionized water;
the preparation method of the self-crosslinking water-based paint comprises the following steps:
the first step is as follows: firstly, adding a solvent and an auxiliary agent into deionized water according to a certain proportion, uniformly dispersing, and then sequentially adding a pigment filler zinc tetrahydrate and other fillers, wherein the other fillers are at least one of modified aluminum tripolyphosphate, talcum powder and mica powder;
the second step is that: fully grinding the mixture in a grinding device to a certain fineness, filtering the mixture by using 100-mesh gauze to prepare slurry, mixing and stirring the modified resin emulsion and the slurry, and uniformly dispersing the mixture;
the modified resin emulsion comprises cross-linked acrylate emulsion and polyaniline, wherein the cross-linked acrylate emulsion and the polyaniline are added in parts by weight: 90 parts of cross-linked acrylate emulsion and 7-10 parts of polyaniline;
the cross-linked acrylic ester emulsion comprises the following components in parts by weight: the cross-linked acrylate emulsion comprises 1 part of acrylate monomer, 75 parts of phosphate acrylate (P-A), 2 parts of 1, 6-hexanediol diacrylate (HDDA) and 70 parts of ketone carbonyl chemical; the preparation method of the crosslinked acrylate emulsion comprises the following steps: adding a composite emulsifier, deionized water and a buffer agent into a reaction kettle, after the composite emulsifier, the deionized water and the buffer agent are uniformly dissolved, heating to about 74 ℃, then slowly adding a mixture of part of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA), dropwise adding a mixture of part of initiator solution and the rest of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA) at a certain speed, preserving heat for 40min after dropwise adding, dropwise adding a pre-emulsified shell layer monomer mixture, simultaneously supplementing an initiator aqueous solution, preserving heat for 40min after adding materials, heating to about 80 ℃, curing for 1h, cooling to 46 ℃, adjusting the pH value to 7 with ammonia water, filtering and discharging to obtain the crosslinked acrylate emulsion.
The polyaniline comprises the following components and raw materials: the polyaniline comprises aniline (An), Ammonium Persulfate (APS), hydrochloric acid and Sodium Dodecyl Benzene Sulfonate (SDBS), and the mass ratio of the aniline (An), the Ammonium Persulfate (APS), the hydrochloric acid and the Sodium Dodecyl Benzene Sulfonate (SDBS) is as follows: 1:0.8: 0.2; the preparation method of the polyaniline comprises the following steps: adding part of sodium dodecyl benzene sulfonate into 0.1mo/L hydrochloric acid aqueous solution, stirring until an emulsifier is completely dissolved, then adding all ammonium persulfate, dispersing at a high speed for 10min, preparing an aniline monomer into a hydrochloric acid aqueous solution, then dropwise adding the hydrochloric acid aqueous solution into the mixed solution, continuously stirring and reacting a reaction system for 10h with the addition of the aniline aqueous solution to obtain polyaniline microemulsion, carrying out vacuum filtration on the polyaniline microemulsion, washing the polyaniline microemulsion sequentially with absolute ethyl alcohol and deionized water until filtrate is colorless, carrying out vacuum filtration for 0.2h, carrying out vacuum drying on the product for 36h at 55 ℃, and grinding to obtain dark green powder, namely polyaniline.
The third step: adding proper thickener to adjust the solid content to 85%, adding defoamer and pH regulator, stirring and filtering to obtain the water paint.
Example 2
A preparation method of a high-adhesion self-crosslinking water-based paint comprises the following components: 13 parts of modified resin emulsion, 54 parts of pigment and filler, 12 parts of solvent, 0.6 part of auxiliary agent, 21 parts of other filler and 98 parts of deionized water;
the preparation method of the self-crosslinking water-based paint comprises the following steps:
the first step is as follows: firstly, adding a solvent and an auxiliary agent into deionized water according to a certain proportion, uniformly dispersing, and then sequentially adding a pigment filler zinc tetrahydrate and other fillers, wherein the other fillers are at least one of modified aluminum tripolyphosphate, talcum powder and mica powder;
the second step is that: fully grinding the mixture in a grinding device to a certain fineness, filtering the mixture by using 100-mesh gauze to prepare slurry, mixing and stirring the modified resin emulsion and the slurry, and uniformly dispersing the mixture;
the modified resin emulsion comprises cross-linked acrylate emulsion and polyaniline, wherein the cross-linked acrylate emulsion and the polyaniline are added in parts by weight: 95 parts of cross-linked acrylate emulsion and 8 parts of polyaniline;
the cross-linked acrylic ester emulsion comprises the following components in parts by weight: the cross-linked acrylate emulsion comprises 2 parts of acrylate monomer, 80 parts of phosphate acrylate (P-A), 4 parts of 1, 6-hexanediol diacrylate (HDDA) and 80 parts of ketone carbonyl chemical; the preparation method of the crosslinked acrylate emulsion comprises the following steps: adding a composite emulsifier, deionized water and a buffer agent into a reaction kettle, after the composite emulsifier, the deionized water and the buffer agent are uniformly dissolved, heating to about 75 ℃, then slowly adding a mixture of part of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA), dropwise adding a mixture of part of initiator solution and the rest of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA) at a certain speed, after dropwise adding, keeping the temperature for 50min, dropwise adding a pre-emulsified shell layer monomer mixture, simultaneously supplementing an initiator aqueous solution, keeping the temperature for 45min after adding, heating to about 90 ℃, curing for 1h, cooling to 49 ℃, adjusting the pH value to 7.5 with ammonia water, filtering, and discharging to obtain the crosslinked acrylate emulsion.
The polyaniline comprises the following components and raw materials: the polyaniline comprises aniline (An), Ammonium Persulfate (APS), hydrochloric acid and Sodium Dodecyl Benzene Sulfonate (SDBS), and the mass ratio of the aniline (An), the Ammonium Persulfate (APS), the hydrochloric acid and the Sodium Dodecyl Benzene Sulfonate (SDBS) is as follows: 1:0.85: 0.2; the preparation method of the polyaniline comprises the following steps: adding part of sodium dodecyl benzene sulfonate into 0.1mo/L hydrochloric acid aqueous solution, stirring until an emulsifier is completely dissolved, then adding all ammonium persulfate, dispersing at a high speed for 15min, preparing aniline monomer into hydrochloric acid aqueous solution, then dropwise adding the hydrochloric acid aqueous solution into the mixed solution, continuously stirring and reacting a reaction system for 15h with the addition of the aniline aqueous solution to obtain polyaniline microemulsion, carrying out vacuum filtration on the polyaniline microemulsion, sequentially washing with absolute ethyl alcohol and deionized water until filtrate is colorless, carrying out vacuum filtration for 0.5h, carrying out vacuum drying on a product for 36h at the temperature of 60 ℃, and grinding to obtain dark green powder, namely polyaniline.
The third step: adding proper thickener to adjust the solid content to 85%, adding defoamer and pH regulator, stirring and filtering to obtain the water paint.
Example 3
A preparation method of a high-adhesion self-crosslinking water-based paint comprises the following components: 15 parts of modified resin emulsion, 56 parts of pigment and filler, 13 parts of solvent, 0.8 part of auxiliary agent, 23 parts of other filler and 100 parts of deionized water;
the preparation method of the self-crosslinking water-based paint comprises the following steps:
the first step is as follows: firstly, adding a solvent and an auxiliary agent into deionized water according to a certain proportion, uniformly dispersing, and then sequentially adding a pigment filler zinc tetrahydrate and other fillers, wherein the other fillers are at least one of modified aluminum tripolyphosphate, talcum powder and mica powder;
the second step is that: fully grinding the mixture in a grinding device to a certain fineness, filtering the mixture by using 100-mesh gauze to prepare slurry, mixing and stirring the modified resin emulsion and the slurry, and uniformly dispersing the mixture;
the modified resin emulsion comprises cross-linked acrylate emulsion and polyaniline, wherein the cross-linked acrylate emulsion and the polyaniline are added in parts by weight: 100 parts of cross-linked acrylate emulsion and 10 parts of polyaniline;
the cross-linked acrylic ester emulsion comprises the following components in parts by weight: the cross-linked acrylate emulsion comprises 4 parts of acrylate monomers, 90 parts of phosphate acrylate (P-A), 5 parts of 1, 6-hexanediol diacrylate (HDDA) and 90 parts of ketone carbonyl chemicals; the preparation method of the crosslinked acrylate emulsion comprises the following steps: adding a composite emulsifier, deionized water and a buffer agent into a reaction kettle, after the composite emulsifier, the deionized water and the buffer agent are uniformly dissolved, heating to about 78 ℃, then slowly adding a mixture of part of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA), dropwise adding a mixture of part of initiator solution and the rest of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA) at a certain speed, preserving heat for 40-60min after dropwise adding, dropwise adding a pre-emulsified shell monomer mixture, simultaneously adding an initiator aqueous solution, preserving heat for 50min after adding, heating to about 80-100 ℃, curing for 1h, cooling to 46-52 ℃, adjusting the pH value to 8 with ammonia water, filtering and discharging to obtain the crosslinked acrylate emulsion.
The polyaniline comprises the following components and raw materials: the polyaniline comprises aniline (An), Ammonium Persulfate (APS), hydrochloric acid and Sodium Dodecyl Benzene Sulfonate (SDBS), and the mass ratio of the aniline (An), the Ammonium Persulfate (APS), the hydrochloric acid and the Sodium Dodecyl Benzene Sulfonate (SDBS) is as follows: 1:0.9: 0.2; the preparation method of the polyaniline comprises the following steps: adding part of sodium dodecyl benzene sulfonate into 0.1mo/L hydrochloric acid aqueous solution, stirring until an emulsifier is completely dissolved, then adding all ammonium persulfate, dispersing at a high speed for 20min, preparing aniline monomer into hydrochloric acid aqueous solution, then dropwise adding the hydrochloric acid aqueous solution into the mixed solution, continuously stirring and reacting a reaction system for 20h with the addition of the aniline aqueous solution to obtain polyaniline microemulsion, carrying out vacuum filtration on the polyaniline microemulsion, sequentially washing with absolute ethyl alcohol and deionized water until filtrate is colorless, carrying out vacuum filtration for 0.8h, carrying out vacuum drying on a product for 36h at the temperature of 65 ℃, and grinding to obtain dark green powder, namely polyaniline.
The third step: adding proper thickener to adjust the solid content to 85%, adding defoamer and pH regulator, stirring and filtering to obtain the water paint.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A preparation method of high-adhesion self-crosslinking water-based paint is characterized by comprising the following components: 11-15 parts of modified resin emulsion, 52-56 parts of pigment and filler, 8-13 parts of solvent, 0.4-0.8 part of auxiliary agent, 19-23 parts of other fillers and 95-100 parts of deionized water;
the preparation method of the self-crosslinking water-based paint comprises the following steps: firstly, adding a solvent and an auxiliary agent into deionized water according to a certain proportion, uniformly dispersing, then sequentially adding pigment and other fillers, fully grinding to a certain fineness in a grinding device, filtering with 100-mesh gauze to obtain slurry, then mixing and stirring the modified resin emulsion and the slurry, uniformly dispersing, adding a proper thickening agent to adjust the solid content to 85%, then adding a defoaming agent and a pH regulator, stirring, and filtering to obtain the water-based paint.
2. The preparation method of the high-adhesion self-crosslinking water-based paint according to claim 1, wherein the modified resin emulsion comprises crosslinked acrylate emulsion and polyaniline, and the crosslinked acrylate emulsion and the polyaniline are added in parts by weight: 90-100 parts of cross-linked acrylate emulsion and 7-10 parts of polyaniline.
3. The method for preparing the high-adhesion self-crosslinking water-based paint according to claim 2, wherein the crosslinked acrylate emulsion comprises 1-4 parts of acrylate monomers, 75-90 parts of phosphate acrylate (P-A), 2-5 parts of 1, 6-hexanediol diacrylate (HDDA) and 70-90 parts of ketone carbonyl chemicals.
4. The method for preparing the high-adhesion self-crosslinking water-based paint according to claim 3, wherein the method for preparing the crosslinked acrylate emulsion comprises the following steps: adding a composite emulsifier, deionized water and a buffer agent into a reaction kettle, after the composite emulsifier, the deionized water and the buffer agent are uniformly dissolved, heating to about 74-78 ℃, then slowly adding a mixture of part of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA), dropwise adding a mixture of part of initiator solution and the rest of acrylate monomers and 1, 6-hexanediol diacrylate (HDDA) at a certain speed, preserving heat for 40-60min after dropwise adding, dropwise adding a pre-emulsified shell monomer mixture, simultaneously adding an initiator aqueous solution, preserving heat for 40-50min after adding, heating to about 80-100 ℃, curing for 1h, cooling to 46-52 ℃, adjusting the pH value to 7-8 with ammonia water, filtering and discharging to obtain the crosslinked acrylate emulsion.
5. The preparation method of the high-adhesion self-crosslinking water-based paint according to claim 2, wherein the polyaniline comprises aniline (An), Ammonium Persulfate (APS), hydrochloric acid and Sodium Dodecyl Benzene Sulfonate (SDBS), and the mass ratio of aniline (An), Ammonium Persulfate (APS), hydrochloric acid and Sodium Dodecyl Benzene Sulfonate (SDBS) is as follows: 1:0.8-0.9:0.2.
6. The preparation method of the high-adhesion self-crosslinking water-based paint according to claim 5, wherein the polyaniline is prepared by the following steps: adding part of sodium dodecyl benzene sulfonate into 0.1mo/L hydrochloric acid aqueous solution, stirring until an emulsifier is completely dissolved, then adding all ammonium persulfate, dispersing at a high speed for 10-20min, preparing aniline monomer into hydrochloric acid aqueous solution, dropwise adding into the mixed solution, continuously stirring and reacting for 10-20h along with the addition of aniline aqueous solution, obtaining polyaniline microemulsion, carrying out vacuum filtration on the polyaniline microemulsion, washing with absolute ethyl alcohol and deionized water in sequence until filtrate is colorless, carrying out vacuum filtration for 0.2-0.8h, carrying out vacuum drying on the product at 55-65 ℃ for 36h, and grinding to obtain dark green powder, namely polyaniline.
7. The method for preparing the high-adhesion self-crosslinking water-based paint according to claim 1, wherein the pigment and filler is zinc phosphate tetrahydrate as an anti-corrosion filler.
8. The method for preparing the high-adhesion self-crosslinking water-based paint as claimed in claim 1, wherein the other filler is at least one of aluminum tripolyphosphate modified by an extender, talc powder and mica powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010392139.0A CN111363444A (en) | 2020-05-11 | 2020-05-11 | Preparation method of high-adhesion self-crosslinking water-based paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010392139.0A CN111363444A (en) | 2020-05-11 | 2020-05-11 | Preparation method of high-adhesion self-crosslinking water-based paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111363444A true CN111363444A (en) | 2020-07-03 |
Family
ID=71203866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010392139.0A Pending CN111363444A (en) | 2020-05-11 | 2020-05-11 | Preparation method of high-adhesion self-crosslinking water-based paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111363444A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112521786A (en) * | 2020-12-08 | 2021-03-19 | 扬州工业职业技术学院 | Modified polymer environment-friendly coating |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003076529A1 (en) * | 2002-03-13 | 2003-09-18 | Rhodia Chimie | Use of block copolymers bearing phosphate and/or phosphonate functions as adhesion promoters or as protecting agents against the corrosion of a metallic surface |
| WO2013112530A2 (en) * | 2012-01-26 | 2013-08-01 | Lubrizol Advanced Materials, Inc. | Water dispersible, self-crosslinkable prepolymer compositon |
| CN105175615A (en) * | 2015-08-28 | 2015-12-23 | 广州市恒珑宇化工科技有限公司 | Water-based environment-friendly film-forming material applied in steel fastener surface, and preparation method and application thereof |
| CN107266626A (en) * | 2017-06-08 | 2017-10-20 | 北京化工大学 | A kind of multiple self-crosslinking core-shell type emulsion of room temperature and its preparation method and application |
| CN110746839A (en) * | 2019-11-28 | 2020-02-04 | 佛山市新量子环保材料有限公司 | Fluorine-acrylic acid modified phosphoric acid resin water-based paint and preparation method and application thereof |
-
2020
- 2020-05-11 CN CN202010392139.0A patent/CN111363444A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003076529A1 (en) * | 2002-03-13 | 2003-09-18 | Rhodia Chimie | Use of block copolymers bearing phosphate and/or phosphonate functions as adhesion promoters or as protecting agents against the corrosion of a metallic surface |
| WO2013112530A2 (en) * | 2012-01-26 | 2013-08-01 | Lubrizol Advanced Materials, Inc. | Water dispersible, self-crosslinkable prepolymer compositon |
| CN105175615A (en) * | 2015-08-28 | 2015-12-23 | 广州市恒珑宇化工科技有限公司 | Water-based environment-friendly film-forming material applied in steel fastener surface, and preparation method and application thereof |
| CN107266626A (en) * | 2017-06-08 | 2017-10-20 | 北京化工大学 | A kind of multiple self-crosslinking core-shell type emulsion of room temperature and its preparation method and application |
| CN110746839A (en) * | 2019-11-28 | 2020-02-04 | 佛山市新量子环保材料有限公司 | Fluorine-acrylic acid modified phosphoric acid resin water-based paint and preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 郑春满等: "《高等合成化学 方法与实践》", 30 September 2018, 国防工业出版社 * |
| 郭玉高等: "聚苯胺防腐涂料的研究及应用进展", 《天津工业大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112521786A (en) * | 2020-12-08 | 2021-03-19 | 扬州工业职业技术学院 | Modified polymer environment-friendly coating |
| CN112521786B (en) * | 2020-12-08 | 2022-02-15 | 扬州工业职业技术学院 | Modified polymer environment-friendly coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107236437B (en) | A kind of water-based anticorrosive paint and preparation method thereof | |
| CN109294407B (en) | Water-based anticorrosive paint and preparation method thereof | |
| CN108250347B (en) | Salt-fog-resistant phosphate modified acrylic core-shell emulsion | |
| CN106543333B (en) | High-corrosion-resistance acrylic emulsion, preparation method thereof and water-based acrylic anticorrosive paint | |
| CN110229594A (en) | A kind of preparation method of the super-hydrophobic composite anticorrosion coating of terpolymer doped polyaniline | |
| CN103421170B (en) | Epoxy-acrylics modified water dispersible alkyd and Synthesis and applications thereof | |
| CN110511388B (en) | Modified hydroxyl acrylic emulsion for water-based metal decorating paint and preparation method thereof | |
| CN111285958B (en) | Self-crosslinking acrylic emulsion and anticorrosive acrylic coating prepared from same | |
| CN105175615A (en) | Water-based environment-friendly film-forming material applied in steel fastener surface, and preparation method and application thereof | |
| CN103554378A (en) | Preparation method and application of ketoaldehyde resin modified room-temperature self-crosslinked acrylate emulsion | |
| CN105885645B (en) | Preparation method of water-based rusty epoxy coating | |
| CN109852181A (en) | The preparation method of epoxy modified acrylic resin antirust emulsion | |
| CN109777242A (en) | A kind of water-base resin and preparation method thereof suitable for aqueous quick-drying anti-corrosive primer | |
| CN114044881B (en) | Phosphate modified waterborne epoxy ester resin, antirust primer thereof and preparation method thereof | |
| CN111363444A (en) | Preparation method of high-adhesion self-crosslinking water-based paint | |
| CN114085597A (en) | High-hardness quick-drying type bio-based alkyd paint and preparation method thereof | |
| CN110734673A (en) | antirust paint for iron furniture and preparation method thereof | |
| CN104830192A (en) | High-weatherability and high-toughness aqueous paint | |
| CN112457697A (en) | Superfine slag micro powder antirust primer and preparation method thereof | |
| CN111269359A (en) | Water-based acrylic emulsion, preparation method thereof and water-based anticorrosive paint | |
| CN111019465A (en) | Preparation process of organic-inorganic composite water-based acrylic acid anticorrosive paint | |
| CN111393956B (en) | Water-based two-component conversion type rusty anticorrosive paint and preparation thereof | |
| CN110144029B (en) | Water-based acrylic resin with hardness and toughness for water-based wood paint and preparation method thereof | |
| CN111040560A (en) | Industrial aluminum powder directional aqueous dispersion and preparation method thereof | |
| CN106905467A (en) | A kind of preparation method of self-drying type epoxy radicals water soluble acrylic resin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200703 |