CN114702884A - IPN polyvinyl chloride lead fluor anticorrosive paint - Google Patents

IPN polyvinyl chloride lead fluor anticorrosive paint Download PDF

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CN114702884A
CN114702884A CN202210488794.5A CN202210488794A CN114702884A CN 114702884 A CN114702884 A CN 114702884A CN 202210488794 A CN202210488794 A CN 202210488794A CN 114702884 A CN114702884 A CN 114702884A
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polyvinyl chloride
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resin
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田文全
廖锦
张骏
罗利萍
向权
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CHONGQING SANXIA PAINT CO LTD
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CHONGQING SANXIA PAINT CO LTD
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D167/00Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D115/00Coating compositions based on rubber derivatives
    • C09D115/02Rubber derivatives containing halogen
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D123/00Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/26Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment
    • C09D123/28Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
    • C09D123/286Chlorinated polyethylene
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D127/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/04Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C09D127/06Homopolymers or copolymers of vinyl chloride
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D167/00Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/08Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/082Anti-corrosive paints characterised by the anti-corrosive pigment
    • C09D5/084Inorganic compounds
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • C08K2003/321Phosphates
    • C08K2003/327Aluminium phosphate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
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    • C08K2003/328Phosphates of heavy metals

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Abstract

The invention relates to the technical field of anticorrosive coatings, and particularly relates to an IPN (interpenetrating Polymer network) polyvinyl chloride fluor-containing anticorrosive coating which comprises the following raw materials in parts by weight: 8-15 parts of chlorinated polyethylene resin, 10-25 parts of bio-based hydroxyl resin, 3-7 parts of epoxy resin, 10-15 parts of chemical anti-rust pigment, 15-25 parts of cross-linking agent, 15-25 parts of kaolin, 5-15 parts of fluorite powder, 3-15 parts of coloring pigment, 0.5-1.0 part of anti-settling agent, 0.5-1.5 parts of dispersing agent, 0.2-0.7 part of flatting agent, 0.3-0.7 part of defoaming agent, 0.2-0.5 part of rheological agent and 15-30 parts of solvent.

Description

IPN polyvinyl chloride lead-fluorspar anticorrosive paint
Technical Field
The invention relates to the technical field of anticorrosive coatings, in particular to an IPN (interpenetrating Polymer network) polyvinyl chloride fluorspar anticorrosive coating.
Background
The annual output of the anticorrosive paint is about 760 ten thousand tons, wherein the heavy anticorrosive paint is 500 ten thousand tons, and the conventional anticorrosive paint is 260 ten thousand tons. The VOC450g/L of the anticorrosive paint is calculated according to the technical requirements of low-volatile organic compound paint products, the emission of only volatile organic compounds of the anticorrosive paint reaches 25 million tons, which directly influences the living environment of human beings, and therefore, the reduction of the VOC of the anticorrosive paint is of great significance.
In recent years, requirements are provided for special chemical medium resistant heavy-duty anticorrosive coatings in the petroleum and chemical industry, multiple varieties such as polyvinyl chloride fluorid coatings are added, and the polyvinyl chloride fluorid coatings play a good role in shielding and isolating media for coated metal surfaces. The paint has better corrosion resistance to media such as hydrochloric acid, medium-concentration sulfuric acid, nitric acid, acetic acid, alkali and most salts. The solid content of the products in the market is low, the products are coated for 15-20 micrometers at a time, the heavy-duty anticorrosive coating requirement can be met only by coating for multiple times, and meanwhile, the VOC (volatile organic compound) also seriously exceeds the standard (about 650g/L) and cannot meet the current national environmental protection requirement.
Disclosure of Invention
The invention aims to provide an IPN polyvinyl chloride fluoran anticorrosive coating, which is prepared by utilizing a bio-based resin and an interpenetrating network technology, has the characteristics of high solid content (67-85%) and low VOC (220-400 g/L), uses renewable resources as raw materials, meets the requirement of environmental protection, improves the construction efficiency, saves the construction cost and has better social benefit.
In order to realize the purpose, the invention provides an IPN polyvinyl chloride fluor red anticorrosive paint which comprises the following raw materials in parts by weight:
8-15 parts of chlorinated polyethylene resin, 10-25 parts of bio-based hydroxyl resin, 3-7 parts of epoxy resin, 10-15 parts of chemical anti-rust pigment, 15-25 parts of cross-linking agent, 15-25 parts of kaolin, 5-15 parts of fluorite powder, 3-15 parts of coloring pigment, 0.5-1.0 part of anti-settling agent, 0.5-1.5 parts of dispersing agent, 0.2-0.7 part of flatting agent, 0.3-0.7 part of defoaming agent, 0.2-0.5 part of rheological agent and 15-30 parts of solvent, wherein the chlorinated polyethylene resin is one of polyvinyl chloride, chlorinated rubber, high chlorinated polyethylene or chlorinated ether resin, the bio-based hydroxyl resin is bio-based synthetic polyester or alkyd resin, the epoxy resin is bisphenol A epoxy resin, the cross-linking agent is polyisocyanate, the fluorite powder is Na3FeF 6-containing lead pigment, the coloring pigment is one of iron oxide red, titanium dioxide, phthalocyanine blue or mixed carbon black thereof, the anti-settling agent is one of fumed silica, hydrated magnesium silicate, organic bentonite and polyamide wax.
Wherein the bisphenol A epoxy resin is one of E-20 epoxy resin or E-42 epoxy resin.
Wherein the chemical antirust pigment is zinc phosphate and aluminum tripolyphosphate, and the ratio of the zinc phosphate to the aluminum tripolyphosphate is 1: 3-5 by mass ratio.
Wherein the polyisocyanate is a tolylene diisocyanate and trimethylolpropane adduct or a hexamethylene diisocyanate trimer.
Wherein the kaolin is calcined kaolin at 400 ℃ or one of fillers with the main components of silicon dioxide, aluminum oxide and sodium oxide.
Wherein the dispersant is a modified acrylate block copolymer.
The IPN polyvinyl chloride lead fluorite anticorrosive paint is prepared by the following steps:
adding part of the solvent into a stirring cylinder according to the proportion, slowly adding the chlorinated polyethylene resin while stirring, stirring at a high speed, completely dissolving, then adding the bio-based hydroxyl resin, and uniformly stirring the dispersing agent;
adding chemical antirust pigment, kaolin, fluorite powder and coloring pigment under medium-speed stirring, stirring uniformly, and transferring into a sand mill for strong dispersion;
after the dispersion reaches the fineness requirement, raw materials such as epoxy resin and an auxiliary agent in the paint mixing stage are added, the color is slightly adjusted, and then the viscosity is adjusted by using a solvent in the formula, so that the viscosity range of the process requirement is reached.
The IPN polyvinyl chloride fluoran anticorrosive coating disclosed by the invention has the advantages that the viscosity of the system is reduced, and compared with typical products of fluoran coatings in the industry, the solid content is increased from 30-40% to 67-85%; the VOC is reduced from 650g/L to 220-400 g/L; according to the coating requirement of the dry film thickness of 210-270 microns, the current usage amount of the Fluorite coating in the industry is 1.28kg/m2The dosage of the IPN polyvinyl chloride fluoran anticorrosive coating is 0.37-0.39 kg/m2(ii) a According to the requirement of coating with the dry film thickness of 210-270 micrometers, 8-10 times of current Fluorite coating in the industry are required to be coated, and 3-4 times of IPN polyvinyl chloride Fluorite anticorrosive coating are required to be coated, so that the construction cost is greatly saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a flow chart of the preparation of IPN polyvinyl chloride fluoran anticorrosive paint of the invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, and the embodiments described below with reference to the accompanying drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention.
Referring to fig. 1, the invention provides an IPN polyvinyl chloride fluor anticorrosive paint, which comprises the following raw materials in parts by weight:
8-15 parts of chlorinated polyethylene resin, 10-25 parts of bio-based hydroxyl resin, 3-7 parts of epoxy resin, 10-15 parts of chemical anti-rust pigment, 15-25 parts of cross-linking agent, 15-25 parts of kaolin, 5-15 parts of fluorite powder, 3-15 parts of coloring pigment, 0.5-1.0 part of anti-settling agent, 0.5-1.5 parts of dispersing agent, 0.2-0.7 part of flatting agent, 0.3-0.7 part of defoaming agent, 0.2-0.5 part of rheological agent and 15-30 parts of solvent, wherein the chlorinated polyethylene resin is polyvinyl chlorideOne of chlorinated rubber, high chlorinated polyethylene or chlorinated polyether resin, wherein the bio-based hydroxyl resin is polyester or alkyd resin synthesized by bio-based (such as vegetable oil and the like), the epoxy resin is bisphenol A epoxy resin, such as one of E-20 epoxy resin or E-42 epoxy resin, and the crosslinking agent is polyisocyanate, such as Toluene Diisocyanate (TDI) and Trimethylolpropane (TMP) adduct or Hexamethylene Diisocyanate (HDI) trimer; the kaolin is calcined kaolin at 400 ℃ or filler (the bulk density is less than 0.6 g/cm) with the main components of silicon dioxide, aluminum oxide and sodium oxide3One having an oil absorption of not more than 25g/100 g); the fluorite powder is a fluorine-containing fluorite pigment containing Na3FeF6, the coloring pigment is one or a mixture of iron oxide red, titanium dioxide, carbon black and phthalocyanine blue, and the anti-settling agent is one of fumed silica, hydrated magnesium silicate, organic bentonite and polyamide wax; the dispersing agent is a modified acrylate block copolymer; the leveling agent is polyether modified polydimethylsiloxane; the rheological agent is a modified rheological agent based on polyamide or polyurea, and the solvent is prepared from any two of cyclohexanone, methyl isobutyl ketone, xylene and butyl acetate in a proportion of 1: 1. 1: 2 or 1: and 3, mixing in proportion.
The manufacturing steps are as follows:
s101: adding part of the solvent into a stirring cylinder according to the proportion, slowly adding the chlorinated polyethylene resin while stirring, stirring at a high speed, completely dissolving, then adding the bio-based hydroxyl resin, and uniformly stirring the dispersing agent;
s102: adding chemical antirust pigment, kaolin, fluorite powder and coloring pigment under medium-speed stirring, stirring uniformly, and transferring into a sand mill for strong dispersion;
s103: after the dispersion reaches the fineness requirement, raw materials such as epoxy resin and an auxiliary agent in the paint mixing stage are added, the color is slightly adjusted, and then the viscosity is adjusted by using a solvent in the formula, so that the viscosity range of the process requirement is reached.
The IPN polyvinyl chloride fluoran anticorrosive coating reduces the system viscosity, and compared with typical products of fluoran coatings in the industry, the solid content is increased from 30-40% to 67-85%; the VOC is reduced from 650g/L to 220-400 g/L; thickness per dry film 210-270 micron coating requirement, and the current amount of the Fluorite coating in the industry is 1.28kg/m2The dosage of the IPN polyvinyl chloride fluoran anticorrosive coating is 0.37-0.39 kg/m2(ii) a According to the coating requirement of the dry film thickness of 210-270 microns, 8-10 times of current Plumbum Preparatium coating in the industry are required to be coated, while 3-4 times of the IPN polyvinyl chloride Plumbum Preparatium anticorrosive coating are required to be coated, so that the construction cost is greatly saved; and the performance index of the IPN polyvinyl chloride fluoran anticorrosive coating reaches or exceeds the technical requirement of the current fluoran coating in the industry.
Example 1
1. Preparing IPN polyvinyl chloride red lead primer:
(1) 105kg of bio-based hydroxyl resin with NV being more than or equal to 97%, 200kg of 45% polyvinyl chloride xylene solution, 10kg of dispersing agent and 65kg of solvent are weighed and put into a stirring cylinder, 5kg of measured defoaming agent, 5kg of anti-settling agent, 150kg of chemical anti-rust pigment, 250kg of kaolin and 100kg of fluorite powder/110 kg of coloring pigment are slowly and sequentially put into the stirring cylinder under the condition of medium-speed stirring, the stirring speed is gradually increased, and pre-dispersion is carried out at high speed for more than 20min.
(2) Transferring into a formula of a sand mill, adjusting viscosity by using a dispersing solvent, adjusting dispersing temperature, and grinding until the fineness is below 50 micrometers.
(3) And transferring the mixture into a paint mixing cylinder, adding 8kg of epoxy resin liquid (NV 70%), 3kg of flatting agent and 3kg of rheological agent, and then adjusting the viscosity by using the solvent in the formula to reach the viscosity range required by the process to obtain the component A of the finished paint.
(4) And B component: polyisocyanate crosslinkers were formulated in hydroxyl equivalent amounts, such as 167kg of TDI-TMP adduct with a solids content of 75% and an isocyanate group content of 13.3%.
2. Preparing IPN polyvinyl chloride fluoranthes anticorrosive finish paint:
(1) 105kg of bio-based hydroxyl resin with NV being more than or equal to 97%, 200kg of 45% polyvinyl chloride xylene solution, 10kg of dispersing agent and 65kg of solvent are weighed and put into a stirring cylinder, 5kg of measured defoaming agent, 5kg of anti-settling agent, 250kg of kaolin and 150kg of fluorite powder/210 kg of coloring pigment are slowly and sequentially put into the stirring cylinder under medium-speed stirring, the stirring speed is gradually increased, and pre-dispersion is carried out at high speed for more than 20min.
(2) Transferring into a formula of a sand mill, adjusting viscosity by using a dispersing solvent, adjusting dispersing temperature, and grinding until the fineness is below 50 micrometers.
(3) And transferring the mixture into a paint mixing cylinder, adding 8kg of epoxy resin liquid (NV 70%), 3kg of flatting agent and 3kg of rheological agent, and then adjusting the viscosity by using the solvent in the formula to reach the viscosity range required by the process to obtain the component A of the finished paint.
(4) And B component: preparation of polyisocyanate crosslinker on hydroxyl equivalent weight, for example HDI trimer with an isocyanate content of 20%, 111kg are required.
During construction, the component A and the component B are mixed, stirred uniformly, added with a proper amount of diluent, stirred uniformly and coated.
According to the anti-corrosion age requirement of a user, the suggested coating for construction and coating is as follows:
the coating schedule is shown in table 1:
Figure BDA0003630465820000051
TABLE 1
As can be seen from Table 1, the purposes of reducing VOC, reducing the number of coating lines and saving construction cost are achieved through 2 or 3 coating lines.
Example 2
1. Preparing IPN polyvinyl chloride fluorine-containing fluoranthene primer:
(1) 105kg of bio-based hydroxyl resin with NV being more than or equal to 97%, 200kg of 45% polyvinyl chloride xylene solution, 10kg of dispersing agent and 65kg of solvent are weighed and put into a stirring cylinder, 5kg of measured defoaming agent, 5kg of anti-settling agent, 150kg of chemical anti-rust pigment, 250kg of kaolin and 100kg of fluorite powder/110 kg of coloring pigment are slowly and sequentially put into the stirring cylinder under the condition of medium-speed stirring, the stirring speed is gradually increased, and pre-dispersion is carried out at high speed for more than 20min.
(2) Transferring into a formula of a sand mill, adjusting viscosity by using a dispersing solvent, adjusting dispersing temperature, and grinding until the fineness is below 50 micrometers.
(3) And transferring the mixture into a paint mixing cylinder, adding 8kg of epoxy resin liquid (NV 70%), 3kg of flatting agent and 3kg of rheological agent, and then adjusting the viscosity by using the solvent in the formula to reach the viscosity range required by the process to obtain the component A of the finished paint.
(4) And the component B comprises: polyisocyanate crosslinkers were formulated in hydroxyl equivalent amounts, such as 167kg of TDI-TMP adduct with a solids content of 75% and an isocyanate group content of 13.3%.
2. Preparing IPN polyvinyl chloride fluoranthes anticorrosive finish paint:
(1) 105kg of bio-based hydroxyl resin with NV being more than or equal to 97%, 200kg of 45% polyvinyl chloride xylene solution, 10kg of dispersing agent and 65kg of solvent are weighed and put into a stirring cylinder, 5kg of measured defoaming agent, 5kg of anti-settling agent, 250kg of kaolin and 150kg of fluorite powder/210 kg of coloring pigment are slowly and sequentially put into the stirring cylinder under medium-speed stirring, the stirring speed is gradually increased, and pre-dispersion is carried out at high speed for more than 20min.
(2) Transferring into a formula of a sand mill, adjusting viscosity by using a dispersing solvent, adjusting dispersing temperature, and grinding until the fineness is below 50 micrometers.
(3) And transferring the mixture into a paint mixing cylinder, adding 8kg of epoxy resin liquid (NV 70%), 3kg of flatting agent and 3kg of rheological agent, and then adjusting the viscosity by using the solvent in the formula to reach the viscosity range required by the process to obtain the component A of the finished paint.
(4) And B component: the crosslinker was formulated as HDI dimer with an isocyanate content of 17.5% and was calculated to be 127 kg.
During construction, the component A and the component B are mixed, stirred uniformly, added with a proper amount of diluent, stirred uniformly and coated.
According to the anti-corrosion requirements of users, the suggested coating for construction and coating is as follows:
the coating schedule is shown in table 2:
Figure BDA0003630465820000061
TABLE 2
As can be seen from Table 2, the purposes of reducing VOC, reducing the number of coating lines and saving construction cost are achieved through 2 or 3 coating lines.
While the above disclosure describes one or more preferred embodiments of the present invention, it is not intended to limit the scope of the claims to such embodiments, and one skilled in the art will understand that all or a portion of the processes performed in the above embodiments may be practiced without departing from the spirit and scope of the claims.

Claims (7)

1. The IPN polyvinyl chloride fluoran anticorrosive paint is characterized by comprising the following raw materials in parts by weight:
8-15 parts of chlorinated polyethylene resin, 10-25 parts of bio-based hydroxyl resin, 3-7 parts of epoxy resin, 10-15 parts of chemical anti-rust pigment, 15-25 parts of cross-linking agent, 15-25 parts of kaolin, 5-15 parts of fluorite powder, 3-15 parts of coloring pigment, 0.5-1.0 part of anti-settling agent, 0.5-1.5 parts of dispersing agent, 0.2-0.7 part of flatting agent, 0.3-0.7 part of defoaming agent, 0.2-0.5 part of rheological agent and 15-30 parts of solvent, wherein the chlorinated polyethylene resin is one of polyvinyl chloride, chlorinated rubber, high chlorinated polyethylene or chlorinated ether resin, the bio-based hydroxyl resin is bio-based synthetic polyester or alkyd resin, the epoxy resin is bisphenol A epoxy resin, the cross-linking agent is polyisocyanate, the fluorite powder is Na3FeF 6-containing lead pigment, the coloring pigment is one of iron oxide red, titanium dioxide, phthalocyanine blue or mixed carbon black thereof, the anti-settling agent is one of fumed silica, hydrated magnesium silicate, organic bentonite and polyamide wax.
2. The IPN polyvinyl chloride fluoran anticorrosive coating of claim 1,
the bisphenol A epoxy resin is one of E-20 epoxy resin or E-42 epoxy resin.
3. The IPN polyvinyl chloride fluoran anticorrosive coating of claim 2,
the chemical antirust pigment is zinc phosphate and aluminum tripolyphosphate, and the weight ratio of the zinc phosphate to the aluminum tripolyphosphate is 1: 3-5 by mass ratio.
4. The IPN polyvinyl chloride fluoran anticorrosive coating of claim 3,
the polyisocyanate is an adduct of toluene diisocyanate and trimethylolpropane or a hexamethylene diisocyanate trimer.
5. The IPN polyvinyl chloride fluoran anticorrosive coating of claim 4,
the kaolin is calcined kaolin at 400 ℃ or one of fillers with the main components of silicon dioxide, aluminum oxide and sodium oxide.
6. The IPN polyvinyl chloride fluoran anticorrosive coating of claim 5,
the dispersant is a modified acrylate block copolymer.
7. The IPN polyvinyl chloride fluoran anticorrosive coating of claim 6,
the IPN polyvinyl chloride fluoran anticorrosive paint is prepared by the following steps:
adding part of the solvent into a stirring cylinder according to the proportion, slowly adding the chlorinated polyethylene resin while stirring, stirring at a high speed, completely dissolving, then adding the bio-based hydroxyl resin, and uniformly stirring the dispersing agent;
adding chemical antirust pigment, kaolin, fluorite powder and coloring pigment under medium-speed stirring, stirring uniformly, and transferring into a sand mill for strong dispersion;
after the dispersion reaches the fineness requirement, raw materials such as epoxy resin and an auxiliary agent in the paint mixing stage are added, the color is slightly adjusted, and then the viscosity is adjusted by using a solvent in the formula, so that the viscosity range of the process requirement is reached.
CN202210488794.5A 2022-05-06 2022-05-06 IPN polyvinyl chloride lead fluor anticorrosive paint Pending CN114702884A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1278541A (en) * 2000-06-14 2001-01-03 上海市建筑科学研究院 Cross-linking highly chlorinated polyethylene resin paint and its production process
CN101633808A (en) * 2008-07-24 2010-01-27 中冶集团建筑研究总院 High chlorinated polyethylene coating containing stainless steel flakes and preparation method thereof
CN102702867A (en) * 2012-06-02 2012-10-03 安庆菱湖涂料有限公司 Modified high chlorinated polythene long-acting anti-corrosive paint and preparation method thereof
CN106047089A (en) * 2016-07-19 2016-10-26 重庆三峡油漆股份有限公司 Minium anticorrosive paint of semi-interpenetrating network

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CN101633808A (en) * 2008-07-24 2010-01-27 中冶集团建筑研究总院 High chlorinated polyethylene coating containing stainless steel flakes and preparation method thereof
CN102702867A (en) * 2012-06-02 2012-10-03 安庆菱湖涂料有限公司 Modified high chlorinated polythene long-acting anti-corrosive paint and preparation method thereof
CN106047089A (en) * 2016-07-19 2016-10-26 重庆三峡油漆股份有限公司 Minium anticorrosive paint of semi-interpenetrating network

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Application publication date: 20220705