CN112662244A - Water-based heavy-duty anticorrosive paint containing water-based modified chlorinated polyether emulsion and preparation method thereof - Google Patents
Water-based heavy-duty anticorrosive paint containing water-based modified chlorinated polyether emulsion and preparation method thereof Download PDFInfo
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Abstract
The invention relates to the field of heavy-duty anticorrosive coatings, in particular to a water-based heavy-duty anticorrosive coating containing water-based modified chlorinated polyether emulsion and a preparation method thereof. The raw materials comprise the following components in percentage by weight: the component A comprises: 52-59% of water-based modified chlorinated polyether emulsion, 4-8% of superfine barium sulfate, 3-6% of mica powder, 2-6% of zinc phosphate, 1-3% of zinc aluminum orthophosphate, 0.1-0.5% of thickening agent, 0.1-0.2% of wetting agent, 0.3-0.5% of defoaming agent, 0.1-0.4% of dispersing agent, 0.01-0.05% of flash rust inhibitor, 0.05-0.1% of anti-settling agent, 0.05-0.1% of flatting agent, 1-5% of film-forming additive, 4-8% of filler and 1-3% of silicon micropowder; supplementing the balance of water; and B component: 50% of curing agent and 50% of water; the weight ratio of the component A to the component B is 1 (1-1.5). The water-based heavy-duty anticorrosive coating containing the water-based modified chlorinated polyether emulsion, which is prepared by the invention, has excellent flexibility and impact resistance, can be quickly cured at normal temperature, has strong adhesive force with a base material, can keep a lasting salt mist resistant protection effect, and has wide application prospect.
Description
Technical Field
The invention relates to the field of heavy-duty anticorrosive coatings, in particular to a water-based heavy-duty anticorrosive coating containing water-based modified chlorinated polyether emulsion and a preparation method thereof.
Background
Anticorrosive coatings are generally divided into conventional anticorrosive coatings and heavy anticorrosive coatings, and are an essential coating in paint coatings. The conventional anticorrosive paint plays a role in corrosion resistance on metals and the like under general conditions, and protects the service life of nonferrous metals; the heavy-duty anticorrosive coating is an anticorrosive coating which can be applied in a relatively severe corrosive environment compared with a conventional anticorrosive coating and has a longer protection period than the conventional anticorrosive coating. The main differences between the heavy-duty anticorrosive coating and the conventional anticorrosive coating are that the heavy-duty anticorrosive coating has high technical content and high technical difficulty, and relates to technical progress and product development in many aspects, wherein the technology is derived from the synthesis of high-resistance resin, and the application of high-efficiency dispersing agent and rheological additive. The heavy anti-corrosion coating is used as a proud for the anti-corrosion coating, is rapidly developed since the application of the heavy anti-corrosion coating in 60-70 years in the 20 th century, has a wider and wider application range, particularly, the anti-corrosion problem further promotes the revolution of the heavy anti-corrosion coating technology, the heavy anti-corrosion coating absorbs nutrition from the industries such as bioengineering, petroleum, chemical engineering and the like, is grafted with high technology, plays a greater and greater role, and has a very wide development prospect.
The chlorinated polyether emulsion is applied to heavy-duty anticorrosive coatings, but the instability of the chlorinated polyether emulsion limits the application of the chlorinated polyether emulsion in heavy-duty anticorrosive coatings, the chlorinated polyether emulsion is easy to dry and crack after being cured, and the plasticizer is added to improve the flexibility of a paint film but is easy to damage the environment. Therefore, the preparation of the high-performance heavy-duty anticorrosive coating with the excellent anticorrosive property of the epichlorohydrin emulsion is an urgent problem to be solved in the field.
Disclosure of Invention
The invention provides the water-based heavy-duty anticorrosive coating containing the water-based modified chlorinated polyether emulsion, solves the problems of large brittleness and poor storage stability of the existing heavy-duty anticorrosive coating, and the prepared water-based heavy-duty anticorrosive coating has excellent flexibility and impact resistance, can be quickly cured at normal temperature, has strong adhesive force with a base material, and can keep a lasting salt mist resistant protective effect.
The invention provides a water-based heavy-duty anticorrosive coating containing water-based modified chlorinated polyether emulsion, which comprises the following raw materials in percentage by weight:
the component A comprises: 52-59% of water-based modified chlorinated polyether emulsion, 4-8% of superfine barium sulfate, 3-6% of mica powder, 2-6% of zinc phosphate, 1-3% of zinc aluminum orthophosphate, 0.1-0.5% of thickening agent, 0.1-0.2% of wetting agent, 0.3-0.5% of defoaming agent, 0.1-0.4% of dispersing agent, 0.01-0.05% of flash rust inhibitor, 0.05-0.1% of anti-settling agent, 0.05-0.1% of flatting agent, 1-5% of film-forming additive, 4-8% of filler and 1-3% of silicon micropowder; supplementing the balance of water;
the component A comprises: 52-59% of water-based modified chlorinated polyether emulsion, 4-8% of superfine barium sulfate, 3-6% of mica powder, 2-6% of zinc phosphate, 1-3% of zinc aluminum orthophosphate, 0.1-0.5% of thickening agent, 0.1-0.2% of wetting agent, 0.3-0.5% of defoaming agent, 0.1-0.4% of dispersing agent, 0.01-0.05% of flash rust inhibitor, 0.05-0.1% of anti-settling agent, 0.05-0.1% of flatting agent, 1-5% of film-forming additive, 4-8% of filler and 1-3% of silicon micropowder; supplementing the balance of water;
and B component: 50% of curing agent and 50% of water;
the weight ratio of the component A to the component B is 1 (1-1.5).
In a preferred embodiment, the particle size of the mica powder is 200-800 meshes.
In a preferred embodiment, the thickener comprises at least one of bentonite, white carbon black, diatomite, molecular sieve and polyurethane compounds.
In a preferred embodiment, the defoamer is an aqueous silicon-based defoamer.
In a preferred embodiment, the anti-settling agent is a water-based polyamide compound.
In a preferred embodiment, the coalescent is an alcohol ester and/or alcohol ether compound.
In a preferred embodiment, the leveling agent is at least one of an organic silicon leveling agent, an acrylic leveling agent, and a polyurethane leveling agent.
In a preferred embodiment, the wetting agent comprises at least one of propylene glycol, glycerin, dimethyl sulfoxide, alkyl sulfate, polyoxyethylene fatty alcohol ether, acetylenic diol.
In a preferred embodiment, the curing agent comprises at least one of ethylenediamine, hexamethylenediamine, diethylenetriamine, triethylenetetramine, diethylaminopropylamine, dicyandiamide.
The invention provides a preparation method of a water-based heavy-duty anticorrosive coating containing water-based modified chlorinated polyether emulsion, which comprises the following specific preparation steps:
s1, preparing a water-based modified chlorinated polyether emulsion;
s2, adding the water-based modified chlorinated polyether emulsion, the wetting agent, the defoaming agent, the anti-settling agent, the leveling agent, the film forming aid and water in the component A raw materials into a reaction container according to the formula amount, stirring for 10-15min, then adding superfine barium sulfate, mica powder, zinc phosphate, aluminum zinc orthophosphate, the thickening agent, the dispersing agent, the anti-flash rust agent, the filler and the silicon micropowder, continuously stirring for 10-15min, and finally adding grinding beads and continuously stirring for 10-15 min; keeping the stirring speed at 2300-2800r/min during the stirring process, and keeping the reaction vessel in a water bath at 15-30 ℃;
sieving the ground product with a 200-mesh sieve, detecting fineness after sieving, and selecting a grinding material with the fineness of 15-30 mu m for vacuum defoaming to obtain a component A;
s3, mixing and stirring the raw materials of the component B uniformly according to the formula amount, and performing vacuum defoaming to obtain a component B;
and S4, filling the component A and the component B into a double pipe to obtain a finished product of the water-based heavy-duty anticorrosive coating.
Has the advantages that:
the water-based heavy-duty anticorrosive coating containing the water-based modified chlorinated polyether emulsion, which is prepared by the invention, has excellent flexibility and impact resistance, can be quickly cured at normal temperature, has strong adhesive force with a base material, can keep a lasting salt mist resistant protection effect, has various properties meeting the requirements of industrial test standards, and has wide application prospects.
Detailed Description
The invention will be further understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. To the extent that a definition of a particular term disclosed in the prior art is inconsistent with any definitions provided herein, the definition of the term provided herein controls.
As used herein, a feature that does not define a singular or plural form is also intended to include a plural form of the feature unless the context clearly indicates otherwise. It will be further understood that the term "prepared from …," as used herein, is synonymous with "comprising," including, "comprising," "having," "including," and/or "containing," when used in this specification means that the recited composition, step, method, article, or device is present, but does not preclude the presence or addition of one or more other compositions, steps, methods, articles, or devices. Furthermore, the use of "preferred," "preferably," "more preferred," etc., when describing embodiments of the present application, is meant to refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. In addition, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention. In addition, the starting materials for the present invention are commercially available unless otherwise specified.
In order to solve the problems, the invention provides a water-based heavy-duty anticorrosive paint containing water-based modified chlorinated polyether emulsion, which comprises the following raw materials in percentage by weight:
the component A comprises: 52-59% of water-based modified chlorinated polyether emulsion, 4-8% of superfine barium sulfate, 3-6% of mica powder, 2-6% of zinc phosphate, 1-3% of zinc aluminum orthophosphate, 0.1-0.5% of thickening agent, 0.1-0.2% of wetting agent, 0.3-0.5% of defoaming agent, 0.1-0.4% of dispersing agent, 0.01-0.05% of flash rust inhibitor, 0.05-0.1% of anti-settling agent, 0.05-0.1% of flatting agent, 1-5% of film-forming additive, 4-8% of filler and 1-3% of silicon micropowder; supplementing the balance of water;
and B component: 50% of curing agent and 50% of water.
The weight ratio of the component A to the component B is 1 (1-1.5).
In some preferred embodiments, the weight ratio of the A component to the B component is 1 (1.2-1.4).
According to the invention, the waterborne modified chlorinated polyether emulsion is selected when the heavy-duty anticorrosive paint is prepared, and simultaneously, under the action of the amine curing agent, the compact structure of a paint film is optimized, and the flexibility of the paint film formed after the AB component is mixed and cured is obviously improved.
In some preferred embodiments, the aqueous modified chlorohydrin emulsion is modified with an acrylic compound. The raw materials comprise: according to parts by weight, 15-25 parts of chloroethylene, 3-10 parts of isobutyl vinyl ether, 0.1-3 parts of acrylic compound, 0.05-2 parts of emulsifier, 0.05-3 parts of buffering agent, 0.003-1 part of initiator, 0.05-0.3 part of chain extender and 30-64 parts of deionized water.
More preferably, the acrylic compound includes at least one of propenyl glycidyl ether, 2, 3-epoxypropyl acrylate and trifluoroethyl methacrylate. Still more preferably, the acrylic compound is propenyl glycidyl ether and trifluoroethyl methacrylate, and the weight ratio of propenyl glycidyl ether to trifluoroethyl methacrylate is (2-6): 1.
the inventor further finds that the adhesive force between the coating and the base material can be improved by adopting the acrylate modified chlorinated polyether emulsion; when the acrylic compound is propenyl glycidyl ether and trifluoroethyl methacrylate, the weight ratio of the propenyl glycidyl ether to the trifluoroethyl methacrylate is (2-6): 1, the paint film can be stably attached to the surface of the base material for a long time, is compact and ageing-resistant, and is not easy to yellow and pulverize.
Further preferably, the emulsifier comprises allyl polyether, allyl alkyl alcohol ether sulfate, polyether containing double bonds, allyl alkyl alcohol ether sulfosuccinic acid diester sodium salt, allyl polyether phosphate and polyether ammonium phosphate salt containing double bonds.
The inventor also finds that the flexibility of the heavy-duty anticorrosive coating can be further improved by adopting the reactive emulsifier, and the impact resistance of a paint film can reach 0 level. In addition, when the reactive emulsifier is allyl polyether and allyl-containing alkyl alcohol ether sodium sulfosuccinate, the salt fog resistance of the paint film is improved, and the paint film can resist corrosion in salt fog for a long time.
Further preferably, the chain extender comprises at least one of diacetone acrylamide, acetoacetoxy ethyl methacrylate, ethylenediamine, divinylbenzene and adipic acid dihydrazide.
Further preferably, the initiator is at least one of a persulfate, a sulfite, and a bisulfite.
The specific preparation steps of the aqueous modified chlorinated polyether emulsion comprise: adding deionized water, an emulsifier and a buffering agent into a reaction kettle, and stirring at the speed of 30-70r/min for 5-10 min; then adding chloroethylene, isobutyl vinyl ether, acrylic compounds and a chain extender into a reaction kettle, heating to 45-80 ℃, and stirring at the speed of 40-100r/min for 20-30 min; then adding an initiator into the reaction kettle, keeping the temperature at 45-80 ℃, and stirring for 2-9h at the speed of 60-150 min; and finally, preserving the temperature, reducing the pressure and stopping the reaction to prepare the water-based modified chlorinated polyether emulsion.
In some preferred embodiments, the zinc aluminum orthophosphate may be commercially available, for example, Heibo, Germany, having a model number of
ZPA。
In some preferred embodiments, the particle size of the mica powder is 200-800 mesh.
In some preferred embodiments, the particle size of the mica powder is 300-600 mesh.
In some preferred embodiments, the filler comprises at least one of titanium dioxide, carbon black, sepiolite powder, calcium carbonate, montmorillonite.
Further preferably, the filler is titanium dioxide and carbon black; further preferably, the weight ratio of the titanium dioxide to the carbon black is (5-12): 1.
in some preferred embodiments, the silica powder has a particle size of 2500-. More preferably, the fine silica powder has a particle size of 3000 mesh.
According to the invention, specific fillers, mica powder, silicon micropowder and other substances are selected to act together with the aqueous modified epichlorohydrin emulsion, so that the organic-inorganic compatibility and the mechanical property of the coating are both considered, and meanwhile, the finished product can be endowed with more excellent glossiness, and the surface of the coating is smooth and mild after being cured, and is beautiful and elegant.
In some preferred embodiments, the thickener comprises at least one of bentonite, silica, diatomaceous earth, molecular sieves, and polyurethanes.
In some preferred embodiments, the defoamer is an aqueous silicon defoamer, which is commercially available, such as model 6028 from longhai chemical ltd, jiang west.
Further preferably, the polysiloxane comprises at least one of dimethyl silicone oil, methyl phenyl silicone oil, hydroxyl silicone oil, amino silicone oil and polyether silicone oil.
Further preferably, the polyethylene glycol has an average molecular weight of 400-.
In some preferred embodiments, the dispersant is a sodium salt of acrylic acid.
In some preferred embodiments, the flash rust inhibitor is a nitrite salt.
In some preferred embodiments, the anti-settling agent is a water-based polyamide compound.
In some preferred embodiments, the coalescent is an alcohol ester and/or alcohol ether based compound.
Further preferably, the film-forming aid is an alcohol ester compound.
The inventor also unexpectedly finds that in a system in which the waterborne modified chlorinated polyether emulsion, the curing agent and the reactive emulsifier exist simultaneously, when the film forming auxiliary agent is an alcohol ester compound, the stability of the paint film under the high-temperature condition can be further improved.
In some preferred embodiments, the leveling agent is at least one of an organosilicon leveling agent, an acrylic leveling agent, and a polyurethane leveling agent.
Further preferably, the leveling agent is an organic silicon leveling agent.
In some preferred embodiments, the wetting agent comprises at least one of propylene glycol, glycerin, dimethyl sulfoxide, alkyl sulfate, polyoxyethylene fatty alcohol ether, acetylenic diol.
In some preferred embodiments, the curing agent comprises at least one of ethylenediamine, hexamethylenediamine, diethylenetriamine, triethylenetetramine, diethylaminopropylamine, dicyandiamide.
Further preferably, the curing agent is ethylenediamine and diethylenetriamine;
still more preferably, the weight ratio of ethylenediamine to diethylenetriamine is (1: 3): 1.
the invention provides a preparation method of a water-based heavy-duty anticorrosive coating containing water-based modified chlorinated polyether emulsion, which comprises the following specific preparation steps:
s1, preparing a water-based modified chlorinated polyether emulsion;
s2, adding the water-based modified chlorinated polyether emulsion, the wetting agent, the defoaming agent, the anti-settling agent, the leveling agent, the film forming aid and water in the component A raw materials into a reaction container according to the formula amount, stirring for 10-15min, then adding superfine barium sulfate, mica powder, zinc phosphate, aluminum zinc orthophosphate, the thickening agent, the dispersing agent, the anti-flash rust agent, the filler and the silicon micropowder, continuously stirring for 10-15min, and finally adding grinding beads and continuously stirring for 10-15 min; keeping the stirring speed at 2300-2800r/min during the stirring process, and keeping the reaction vessel in a water bath at 15-30 ℃;
sieving the ground product with a 200-mesh sieve, detecting fineness after sieving, and selecting a grinding material with the fineness of 15-30 mu m for vacuum defoaming to obtain a component A;
s3, mixing and stirring the raw materials of the component B uniformly according to the formula amount, and performing vacuum defoaming to obtain a component B;
and S4, filling the component A and the component B into a double pipe to obtain a finished product of the water-based heavy-duty anticorrosive coating.
In some preferred embodiments, the grinding beads are zircon.
Examples
Example 1.
The embodiment provides a water-based heavy-duty anticorrosive coating containing water-based modified chlorinated polyether emulsion, which comprises the following raw materials in percentage by weight:
the component A comprises: 56% of water-based modified chlorinated polyether emulsion, 5.5% of superfine barium sulfate, 4% of mica powder, 4% of zinc phosphate, 2% of zinc aluminum orthophosphate, 0.3% of thickening agent, 0.15% of wetting agent, 0.4% of defoaming agent, 0.2% of dispersing agent, 0.03% of anti-flash rust agent, 0.07% of anti-settling agent, 0.07% of flatting agent, 3% of film-forming assistant, 6% of filler and 2% of silicon micropowder; supplementing the balance of water;
and B component: 50% of curing agent and 50% of water.
The weight ratio of the component A to the component B is 1: 1.3.
The waterborne modified chlorinated polyether emulsion adopts an acrylic compound to modify the chlorinated polyether emulsion. The raw materials comprise: according to parts by weight, 20 parts of chloroethylene, 7 parts of isobutyl vinyl ether, 1 part of acrylic compound, 1 part of emulsifier, 1 part of buffering agent, 0.3 part of initiator, 0.15 part of chain extender and 49 parts of deionized water.
The acrylic acid compound is propenyl glycidyl ether and trifluoroethyl methacrylate, and the weight ratio of the propenyl glycidyl ether to the trifluoroethyl methacrylate is 4: 1.
the emulsifier is polyether F-6, purchased from Nantong Rendada chemical Co.
The chain extender is diacetone acrylamide, and the CAS number is 2873-97-4.
The initiator is ammonium persulfate and sodium sulfite, and the weight ratio of the ammonium persulfate to the sodium sulfite is 3: 2.
the buffer is ammonia water, purchased from corridor, peng, fine chemical, ltd.
The specific preparation steps of the aqueous modified chlorinated polyether emulsion comprise: adding deionized water, an emulsifier and a buffering agent into a reaction kettle, and stirring at the speed of 50r/min for 10 min; then adding chloroethylene, isobutyl vinyl ether, acrylic compounds and a chain extender into a reaction kettle, heating to 65 ℃, and stirring at the speed of 75r/min for 20 min; then adding an initiator into the reaction kettle, keeping the temperature at 60 ℃, and stirring for 8 hours at the speed of 100 min; and finally, preserving the temperature, reducing the pressure and stopping the reaction to prepare the water-based modified chlorinated polyether emulsion.
The particle size of the mica powder is 400 meshes.
The filler is titanium dioxide and carbon black; the weight ratio of the titanium dioxide to the carbon black is 10: 1.
the particle size of the silicon micro powder is 3000 meshes, and the silicon micro powder is purchased from Rich silicon materials Co., Ltd, Donghai county.
The thickening agent is bentonite, the particle size of the bentonite is 200 meshes, and the bentonite is purchased from Siheyuexin metallurgy material factories.
The defoaming agent is a water-based silicon defoaming agent which is purchased from Longhai chemical Co., Ltd. of Jiangxi province and has the model of 6028.
The polysiloxane is dimethicone, and is purchased from Jinan Ruiyuan chemical Co.
The polyethylene glycol has an average molecular weight of 800 and is purchased from Haian petrochemical plants of Jiangsu province.
The dispersant is sodium acrylate and is purchased from Nantong Yongle chemical Co.
The flash rust inhibitor is sodium nitrite and is purchased from Jinan Dewang chemical company Limited.
The anti-settling agent is a water-based polyamide compound, and is purchased from Wenzhou national Bangbang polymer materials, Inc.
The film-forming additive is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, and the CAS number is 25265-77-4.
The leveling agent is polyether siloxane copolymer which is purchased from Beijing Meier chemical engineering science and technology Limited and has the model of HY-5030.
The aluminum zinc orthophosphate is purchased from Haibo, Germany, and has the model number of
ZPA。
The wetting agent is an acetylenic diol, purchased from Shanghai Sangyo chemical Co., Ltd, and having a model number of DYNOL 980.
The curing agent is ethylenediamine and diethylenetriamine, and the weight ratio of ethylenediamine to diethylenetriamine is 1:1.
the water-based heavy-duty anticorrosive coating containing the water-based modified chlorinated polyether emulsion comprises the following specific preparation steps:
s1, preparing a water-based modified chlorinated polyether emulsion;
s2, adding the aqueous modified chlorinated polyether emulsion, the wetting agent, the defoaming agent, the anti-settling agent, the leveling agent, the film forming aid and water in the component A raw materials into a reaction container according to the formula amount, stirring for 10min, then adding the superfine barium sulfate, the mica powder, the zinc phosphate, the aluminum zinc orthophosphate, the thickening agent, the dispersing agent, the anti-flash rust agent, the filler and the silicon micropowder, continuously stirring for 10min, and finally adding the grinding beads and continuously stirring for 10 min; keeping the stirring speed at 2500r/min during the stirring process, and keeping the reaction container in a water bath at 25 ℃;
sieving the ground product with a 200-mesh sieve, detecting fineness after sieving, and selecting a grinding material with the fineness of 15-30 mu m for vacuum defoaming to obtain a component A;
s3, mixing and stirring the raw materials of the component B uniformly according to the formula amount, and performing vacuum defoaming to obtain a component B;
and S4, filling the component A and the component B into a double pipe to obtain a finished product of the water-based heavy-duty anticorrosive coating.
The grinding beads are zircon.
Example 2.
The specific implementation mode of the water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is the same as that of example 1. The difference lies in that the raw materials comprise the following components in percentage by weight:
the component A comprises: 52% of water-based modified chlorinated polyether emulsion, 4% of superfine barium sulfate, 3% of mica powder, 2% of zinc phosphate, 1% of aluminum zinc orthophosphate, 0.1% of thickening agent, 0.1% of wetting agent, 0.3% of defoaming agent, 0.1% of dispersing agent, 0.01% of anti-flash rust agent, 0.05% of anti-settling agent, 0.1% of leveling agent, 2% of film-forming additive, 5% of filler and 1% of silicon micropowder; supplementing the balance of water;
and B component: 50% of curing agent and 50% of water;
example 3.
The specific implementation mode of the water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is the same as that of example 1. The difference lies in that the raw materials comprise the following components in percentage by weight:
the component A comprises: 59% of water-based modified chlorinated polyether emulsion, 8% of superfine barium sulfate, 6% of mica powder, 6% of zinc phosphate, 3% of aluminum zinc orthophosphate, 0.5% of thickening agent, 0.2% of wetting agent, 0.5% of defoaming agent, 0.3% of dispersing agent, 0.05% of anti-flash rust agent, 0.1% of anti-settling agent, 0.1% of flatting agent, 5% of film-forming additive, 8% of filler and 3% of silicon micropowder; supplementing the balance of water;
and B component: 50% of curing agent and 50% of water.
Example 4.
The specific implementation mode of the water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is the same as that of example 1. The difference is that the conventional aqueous chlorinated polyether emulsion is used instead of the aqueous modified chlorinated polyether emulsion, namely, the aqueous modified chlorinated polyether emulsion is not modified. Conventional aqueous epichlorohydrin emulsions were purchased from Hangzhou electro-chemical New materials, Inc.
Example 5.
The specific implementation mode of the water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is the same as that of example 1. Except that the acrylic compound is 2, 3-epoxypropyl acrylate.
Example 6.
The specific implementation mode of the water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is the same as that of example 1. The difference is that the emulsifier is sodium dodecyl benzene sulfonate, and the CAS number is 25155-30-0.
Example 7.
The specific implementation mode of the water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is the same as that of example 1. The difference is that the particle size of the mica powder is 50 meshes.
Example 8.
The specific implementation mode of the water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is the same as that of example 1. The difference is that the film-forming assistant is ethylene glycol butyl ether, and the CAS number is 111-76-2.
Example 9.
The specific implementation mode of the water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is the same as that of example 1. The difference is that the weight ratio of the ethylenediamine to the diethylenetriamine is 1: 2.
example 10.
The specific implementation mode of the water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is the same as that of example 1. Except that the weight ratio of the component A to the component B is 1:1.
Performance test method
And (3) uniformly coating the finished product of the water-based heavy-duty anticorrosive paint on the surface of the polished and cleaned clean tinplate by using a film coater, and standing at room temperature for 10min to obtain a paint film sample.
1. And (3) testing the adhesion of the coating film:
the initial adhesion of the paint film samples and the adhesion after the salt spray test are tested by referring to the HG/T5176-2017 method, and the change degree of the adhesion after the salt spray test relative to the initial adhesion is recorded.
The degree of change Δ ═ adhesion after salt spray test/initial adhesion × 100%
2. And (3) testing the impact resistance of the paint film:
the impact resistance of the paint film sample is determined by referring to HG/T5176-2017, after a heavy hammer with the same height (50cm) is observed by a 4-time magnifying glass and falls on the paint film, the paint film sample is judged to have the phenomena of cracks, wrinkles, peeling and the like and is scored, and the form change of the paint film sample is evaluated by referring to GB/T1766-2008. The evaluation grades are specifically as follows:
level 0: no change, i.e., no change that is perceptible;
level 1: very slight, i.e. just noticeable, changes;
and 2, stage: slight, i.e., visibly perceptible, changes;
and 3, level: moderate, i.e., a change that is clearly noticeable;
4, level: larger, i.e. with greater variation;
and 5, stage: severe, i.e. strongly varying;
3. neutral salt spray resistance:
the salt spray resistance of the paint film samples was tested with reference to HG/T5176-2017, and the time for which the paint film samples were stable in neutral salt spray was recorded.
Performance test data
TABLE 1 results of the Performance test of examples 1 to 10
Finally, it is pointed out that the foregoing examples are illustrative only, serving to explain some of the characteristics of the process according to the invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (10)
1. The water-based heavy-duty anticorrosive paint containing the water-based modified chlorinated polyether emulsion is characterized by comprising the following raw materials in percentage by weight:
the component A comprises: 52-59% of water-based modified chlorinated polyether emulsion, 4-8% of superfine barium sulfate, 3-6% of mica powder, 2-6% of zinc phosphate, 1-3% of zinc aluminum orthophosphate, 0.1-0.5% of thickening agent, 0.1-0.2% of wetting agent, 0.3-0.5% of defoaming agent, 0.1-0.4% of dispersing agent, 0.01-0.05% of flash rust inhibitor, 0.05-0.1% of anti-settling agent, 0.05-0.1% of flatting agent, 1-5% of film-forming additive, 4-8% of filler and 1-3% of silicon micropowder; supplementing the balance of water;
and B component: 50% of curing agent and 50% of water;
the weight ratio of the component A to the component B is 1 (1-1.5).
2. The water-based heavy-duty anticorrosive paint containing water-based modified chlorinated polyether emulsion as claimed in claim 1, wherein the particle size of the mica powder is 200-800 mesh.
3. The aqueous heavy-duty coating containing an aqueous modified chlorinated polyether emulsion as claimed in claim 1, wherein said thickener comprises at least one of bentonite, silica, diatomaceous earth, molecular sieve, and polyurethane compounds.
4. The water-based heavy-duty coating material containing a water-based modified chlorohydrin emulsion according to claim 1, wherein said defoaming agent is a water-based silicone defoaming agent.
5. The aqueous heavy-duty coating containing an aqueous modified chlorohydrin emulsion according to claim 1, wherein said anti-settling agent is an aqueous polyamide compound.
6. The water-based heavy-duty anticorrosive coating containing the water-based modified chlorinated polyether emulsion as claimed in claim 1, wherein the film-forming aid is an alcohol ester and/or alcohol ether compound.
7. The aqueous heavy-duty coating containing the aqueous modified chlorinated polyether emulsion as claimed in claim 1, wherein the leveling agent is at least one of an organosilicon leveling agent, an acrylic leveling agent and a polyurethane leveling agent.
8. The aqueous heavy duty coating composition containing an aqueous modified chlorohydrin emulsion of claim 1, wherein said wetting agent comprises at least one of propylene glycol, glycerin, dimethyl sulfoxide, alkyl sulfate, polyoxyethylene fatty alcohol ether, and acetylenic glycol.
9. The aqueous heavy-duty coating containing an aqueous modified chlorinated ether emulsion of claim 1, wherein said curing agent comprises at least one of ethylenediamine, hexamethylenediamine, diethylenetriamine, triethylenetetramine, diethylaminopropylamine, dicyandiamide.
10. The preparation method of the water-based heavy-duty coating containing the water-based modified chlorinated polyether emulsion according to any one of claims 1 to 9, which is characterized by comprising the following specific preparation steps:
s1, preparing a water-based modified chlorinated polyether emulsion;
s2, adding the water-based modified chlorinated polyether emulsion, the wetting agent, the defoaming agent, the anti-settling agent, the leveling agent, the film forming aid and water in the component A raw materials into a reaction container according to the formula amount, stirring for 10-15min, then adding superfine barium sulfate, mica powder, zinc phosphate, aluminum zinc orthophosphate, the thickening agent, the dispersing agent, the anti-flash rust agent, the filler and the silicon micropowder, continuously stirring for 10-15min, and finally adding grinding beads and continuously stirring for 10-15 min; keeping the stirring speed at 2300-2800r/min during the stirring process, and keeping the reaction vessel in a water bath at 15-30 ℃;
sieving the ground product with a 200-mesh sieve, detecting fineness after sieving, and selecting a grinding material with the fineness of 15-30 mu m for vacuum defoaming to obtain a component A;
s3, mixing and stirring the raw materials of the component B uniformly according to the formula amount, and performing vacuum defoaming to obtain a component B;
and S4, filling the component A and the component B into a double pipe to obtain a finished product of the water-based heavy-duty anticorrosive coating.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113583546A (en) * | 2021-09-14 | 2021-11-02 | 安徽新大陆特种涂料有限责任公司 | Production process of epichlorohydrin blended rubber-plastic emulsion anticorrosive paint |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5445754A (en) * | 1994-03-28 | 1995-08-29 | P.S.A.M.S., Inc. | Water-based, thermal paint |
| CN101812154A (en) * | 2009-10-19 | 2010-08-25 | 杭州电化集团有限公司 | Copolymer resin of chloroethylene-isobutyl vinyl ether-glycidyl acrylate and preparation method thereof |
| CN107099211A (en) * | 2016-02-23 | 2017-08-29 | 上海建冶科技工程股份有限公司 | Acrylic graft-modified chlorinated polyether resin emulsion anticorrosive paint and preparation method thereof |
| CN107118679A (en) * | 2017-06-01 | 2017-09-01 | 上海应用技术大学 | A kind of water-based anticorrosive paint and preparation method thereof |
| CN108129966A (en) * | 2017-12-19 | 2018-06-08 | 海洋化工研究院有限公司 | A kind of chlorinated polyether emulsion water-based anticorrosive paint |
| CN111205410A (en) * | 2020-01-10 | 2020-05-29 | 江苏利思德新材料有限公司 | Acrylate modified vinyl chloride-isobutyl vinyl ether copolymer emulsion and preparation method and application thereof |
| CN111234084A (en) * | 2020-01-10 | 2020-06-05 | 江苏利思德新材料有限公司 | Vinyl chloride copolymer emulsion for water-based anticorrosive paint and preparation method and application thereof |
-
2020
- 2020-12-18 CN CN202011502429.2A patent/CN112662244B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5445754A (en) * | 1994-03-28 | 1995-08-29 | P.S.A.M.S., Inc. | Water-based, thermal paint |
| CN101812154A (en) * | 2009-10-19 | 2010-08-25 | 杭州电化集团有限公司 | Copolymer resin of chloroethylene-isobutyl vinyl ether-glycidyl acrylate and preparation method thereof |
| CN107099211A (en) * | 2016-02-23 | 2017-08-29 | 上海建冶科技工程股份有限公司 | Acrylic graft-modified chlorinated polyether resin emulsion anticorrosive paint and preparation method thereof |
| CN107118679A (en) * | 2017-06-01 | 2017-09-01 | 上海应用技术大学 | A kind of water-based anticorrosive paint and preparation method thereof |
| CN108129966A (en) * | 2017-12-19 | 2018-06-08 | 海洋化工研究院有限公司 | A kind of chlorinated polyether emulsion water-based anticorrosive paint |
| CN111205410A (en) * | 2020-01-10 | 2020-05-29 | 江苏利思德新材料有限公司 | Acrylate modified vinyl chloride-isobutyl vinyl ether copolymer emulsion and preparation method and application thereof |
| CN111234084A (en) * | 2020-01-10 | 2020-06-05 | 江苏利思德新材料有限公司 | Vinyl chloride copolymer emulsion for water-based anticorrosive paint and preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113583546A (en) * | 2021-09-14 | 2021-11-02 | 安徽新大陆特种涂料有限责任公司 | Production process of epichlorohydrin blended rubber-plastic emulsion anticorrosive paint |
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