CN115011209A - Preparation and application of special epoxy resin paint for inner wall of cast tube - Google Patents
Preparation and application of special epoxy resin paint for inner wall of cast tube Download PDFInfo
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- CN115011209A CN115011209A CN202210862614.5A CN202210862614A CN115011209A CN 115011209 A CN115011209 A CN 115011209A CN 202210862614 A CN202210862614 A CN 202210862614A CN 115011209 A CN115011209 A CN 115011209A
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- parts
- epoxy resin
- wall
- preparation
- silane coupling
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- 239000003822 epoxy resin Substances 0.000 title claims abstract description 33
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 33
- 239000003973 paint Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 38
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 230000007797 corrosion Effects 0.000 claims abstract description 19
- 238000005260 corrosion Methods 0.000 claims abstract description 19
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003112 inhibitor Substances 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 15
- 239000004952 Polyamide Substances 0.000 claims abstract description 14
- 239000000440 bentonite Substances 0.000 claims abstract description 14
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 14
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000049 pigment Substances 0.000 claims abstract description 14
- 229920002647 polyamide Polymers 0.000 claims abstract description 14
- 238000009736 wetting Methods 0.000 claims abstract description 14
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 40
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 25
- 229910052742 iron Inorganic materials 0.000 claims description 20
- 238000005303 weighing Methods 0.000 claims description 20
- 239000004593 Epoxy Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 15
- 229910001018 Cast iron Inorganic materials 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- -1 modified alicyclic amine Chemical class 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000003085 diluting agent Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 abstract description 5
- 229920006334 epoxy coating Polymers 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5026—Amines cycloaliphatic
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of preparation of epoxy resin paint, and provides preparation and application of epoxy resin paint special for the inner wall of a cast tube, which comprises the following raw materials and auxiliary materials in parts by weight: 12-25 parts of 128 epoxy resin, 4-15 parts of iron oxide series pigment, 0.1-1 part of wetting dispersant, 0.1-1 part of bentonite, 1-2.5 parts of polyamide wax, 20-30 parts of talcum powder, 20-35 parts of barium sulfate, 1-2.5 parts of silane coupling agent, 1-5 parts of corrosion inhibitor, 9-15 parts of solvent and 1-3 parts of cyclohexanone, wherein the auxiliary materials comprise the following components in parts by weight: the invention adds various required elements into the formula, and then passes the inspection for a plurality of days, and the inspection standard is the inspection according to the relevant standard requirements of the European Union, thereby leading the material to meet the relevant standard requirements of the European Union.
Description
Technical Field
The invention relates to the technical field of preparation of epoxy resin paint, in particular to preparation and application of epoxy resin paint special for the inner wall of a cast tube.
Background
Epoxy resin paint is a paint taking epoxy resin as a main film forming substance, has various types and respective characteristics, and is classified into self-drying single-component, double-component and multi-component liquid epoxy paints in a curing mode; baking-type single-component and double-component liquid epoxy coating; powder epoxy coatings and radiation-curable epoxy coatings are classified in the coating state into solvent-based epoxy coatings, solventless epoxy coatings and water-based epoxy coatings.
Along with the continuous enhancement of Chinese strength, a plurality of flexible cast iron drain pipe manufacturers are born domestically, most of the manufacturers can only supply materials domestically, few manufacturers can only export the flexible cast iron drain pipes to the middle east, Asia-Pacific areas and the like, and developed areas in Europe and America can only look at the backs of the flexible cast iron drain pipes, because the inner walls of the flexible cast iron drain pipes coated with anticorrosive coatings can not meet the relevant standard requirements of the Europe and the United states at all.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the preparation and application of the special epoxy resin paint for the inner wall of the cast tube, has the advantages of meeting the relevant standard requirements of the European Union and the like, and solves the problem that the traditional product mentioned in the background technology does not meet the relevant standard requirements of the European Union.
(II) technical scheme
In order to achieve the purpose of meeting the relevant standard requirements of the European Union in the background art, the invention provides the following technical scheme:
the preparation and application of the special epoxy resin paint for the inner wall of the cast tube comprise the following raw materials and auxiliary materials in parts by weight: 12-25 parts of 128 epoxy resin, 4-15 parts of iron oxide series pigment, 0.1-1 part of wetting dispersant, 0.1-1 part of bentonite, 1-2.5 parts of polyamide wax, 20-30 parts of talcum powder, 20-35 parts of barium sulfate, 1-2.5 parts of silane coupling agent, 1-5 parts of corrosion inhibitor, 9-15 parts of solvent and 1-3 parts of cyclohexanone;
the auxiliary materials comprise the following components in parts by weight: 30-50 parts of modified alicyclic amine KH-816 epoxy curing agent, 30-50 parts of dimethylbenzene and 15-30 parts of n-butyl alcohol.
The further improvement is that: the raw material components and the weight portion ratio are as follows: 12 parts of 128 epoxy resin, 4 parts of iron oxide series pigment, 0.1 part of wetting dispersant, 0.1 part of bentonite, 1 part of polyamide wax, 20 parts of talcum powder, 20 parts of barium sulfate, 1 part of silane coupling agent, 1 part of corrosion inhibitor, 9 parts of solvent and 1 part of cyclohexanone;
the auxiliary materials comprise the following components in parts by weight: 30 parts of modified alicyclic amine KH-816 epoxy curing agent, 30 parts of dimethylbenzene and 15 parts of n-butyl alcohol.
The further improvement is that: the raw material components and the weight portion ratio are as follows: 25 parts of 128 epoxy resin, 15 parts of iron oxide series pigment, 1 part of wetting dispersant, 1 part of bentonite, 2.5 parts of polyamide wax, 30 parts of talcum powder, 35 parts of barium sulfate, 2.5 parts of silane coupling agent, 5 parts of corrosion inhibitor, 15 parts of solvent and 3 parts of cyclohexanone;
the auxiliary materials comprise the following components in parts by weight: 50 parts of modified alicyclic amine KH-816 epoxy curing agent, 50 parts of dimethylbenzene and 30 parts of n-butyl alcohol.
The further improvement is that: the raw material components and the weight portion ratio are as follows: 16.5 parts of 128 epoxy resin, 10 parts of iron oxide series pigment, 0.5 part of wetting dispersant, 0.6 part of bentonite, 1.8 parts of polyamide wax, 26 parts of talcum powder, 29 parts of barium sulfate, 1.5 parts of silane coupling agent, 2 parts of corrosion inhibitor, 12 parts of solvent and 2 parts of cyclohexanone;
the auxiliary materials comprise the following components in parts by weight: 40 parts of modified alicyclic amine KH-816 epoxy curing agent, 40 parts of dimethylbenzene and 20 parts of n-butyl alcohol.
The further improvement is that: the preparation and application of the special epoxy resin paint for the inner wall of the cast tube comprise the following steps:
step one, preparing according to the mode of the component A and the component B;
step two, preparing a group A, namely respectively weighing 12-25 parts of 128 epoxy resin, 0.1-1 part of wetting dispersant, 0.1-1 part of bentonite, 1-2.5 parts of polyamide wax, 20-30 parts of talcum powder, 20-35 parts of barium sulfate, 1-2.5 parts of silane coupling agent, 1-5 parts of corrosion inhibitor, 9-15 parts of solvent, 1-3 parts of cyclohexanone, 30-50 parts of dimethylbenzene and 15-30 parts of n-butyl alcohol;
step three, sequentially adding various raw materials into a reaction kettle, and then uniformly stirring the raw materials at the rotating speed of 800-;
step four, weighing 4-15 parts of iron oxide series pigment, 1-5 parts of corrosion inhibitor, 20-30 parts of talcum powder and 20-35 parts of barium sulfate, sequentially adding into a reaction kettle, and uniformly stirring various raw materials at the rotating speed of 800-;
step five, respectively adding the mixture obtained by mixing the two times into a paint grinder to grind the mixture until the fineness is less than or equal to 50 um;
putting the obtained product into a reaction kettle, weighing 1-2.5 parts by weight of the silane coupling agent, stirring the silane coupling agent in the reaction kettle at the same speed for 5-10 minutes, and finally performing color matching detection and packaging;
step seven, preparing a group B, namely respectively weighing 30-50 parts of modified alicyclic amine KH-816 epoxy curing agent, 30-50 parts of dimethylbenzene and 15-30 parts of n-butyl alcohol, and uniformly stirring for 5-10 minutes in a reaction kettle at the rotating speed of 500 plus 800 revolutions per minute;
step eight, respectively taking 4 parts of the component A and 1 part of the component B, mixing and stirring the two components uniformly, adding a proper amount of epoxy diluent to dilute the mixture to a viscosity capable of being constructed, standing the mixture for half an hour, and then coating the mixture on the inner wall of the cast iron drainage pipe according to standard requirements;
step nine, preparing 7-10 standard detection iron plates or finished iron blocks of the cast iron drain pipe, uniformly spraying the uniformly stirred sample on the standard detection iron plates or the inner wall of the iron blocks of the drain pipe to enable the thickness of a paint film to reach more than 120 mu m, and drying for 7 days at normal temperature to be detected;
step ten, obtaining a preparation sample.
(III) advantageous effects
By adopting the technical scheme, the invention has the beneficial effects that:
1. according to the invention, various required elements are added into the formula, and then the inspection is carried out for several days, and the inspection standard is inspected according to the relevant standard requirements of the European Community, so that the material meets the relevant standard requirements of the European Community.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described 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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The preparation and application of the special epoxy resin paint for the inner wall of the cast tube comprise the following steps:
step one, preparing according to a mode of a group A and a group B;
step two, firstly preparing a group A, and respectively weighing 12 parts of 128 epoxy resin, 0.1 part of wetting dispersant, 0.1 part of bentonite, 1 part of polyamide wax, 20 parts of talcum powder, 20 parts of barium sulfate, 1 part of silane coupling agent, 1 part of corrosion inhibitor, 9 parts of solvent, 1 part of cyclohexanone, 30 parts of dimethylbenzene and 15 parts of n-butyl alcohol;
step three, sequentially adding various raw materials into a reaction kettle, and then uniformly stirring the raw materials at the rotating speed of 800-;
step four, weighing 4 parts of iron oxide series pigment, 1 part of corrosion inhibitor, 20 parts of talcum powder and 20 parts of barium sulfate, sequentially adding the materials into a reaction kettle, and uniformly stirring the materials at the rotating speed of 800-;
step five, respectively adding the mixture obtained by mixing the two times into a paint grinder to grind the mixture until the fineness is less than or equal to 50 um;
putting the obtained product into a reaction kettle, weighing 1 part by weight of the silane coupling agent, stirring the silane coupling agent in the reaction kettle at the same speed for 5-10 minutes, and finally performing color matching detection and packaging;
step seven, preparing a group B, namely respectively weighing 30 parts of modified alicyclic amine KH-816 epoxy curing agent, 30 parts of dimethylbenzene and 15 parts of n-butyl alcohol, and uniformly stirring for 5 minutes in a reaction kettle at the rotating speed of 500 plus materials of 800 revolutions per minute;
step eight, respectively taking 4 parts of the component A and 1 part of the component B, mixing and stirring the two components uniformly, adding a proper amount of epoxy diluent to dilute the mixture to a viscosity capable of being constructed, standing the mixture for half an hour, and then coating the mixture on the inner wall of the cast iron drainage pipe according to standard requirements;
step nine, preparing 7-10 standard detection iron plates or finished iron blocks of the cast iron drain pipe, uniformly spraying the uniformly stirred sample on the standard detection iron plates or the inner wall of the iron blocks of the drain pipe to enable the thickness of a paint film to reach more than 120 mu m, and drying for 7 days at normal temperature to be detected;
step ten, obtaining a preparation sample.
Example two
The preparation and application of the special epoxy resin paint for the inner wall of the cast tube comprise the following steps:
step one, preparing according to a mode of a group A and a group B;
step two, firstly preparing a group A, and respectively weighing 25 parts of 128 epoxy resin, 1 part of wetting dispersant, 1 part of bentonite, 2.5 parts of polyamide wax, 30 parts of talcum powder, 35 parts of barium sulfate, 2.5 parts of silane coupling agent, 5 parts of corrosion inhibitor, 15 parts of solvent, 3 parts of cyclohexanone, 50 parts of dimethylbenzene and 30 parts of n-butyl alcohol;
step three, sequentially adding various raw materials into a reaction kettle, and then uniformly stirring the raw materials at the rotating speed of 800-;
step four, weighing 15 parts of iron oxide series pigment, 5 parts of corrosion inhibitor, 30 parts of talcum powder and 35 parts of barium sulfate, sequentially adding the materials into a reaction kettle, and uniformly stirring the materials at the rotating speed of 800-;
step five, respectively adding the mixture obtained by mixing the two times into a paint grinder to grind the mixture until the fineness is less than or equal to 50 um;
putting the obtained product into a reaction kettle, weighing 2.5 parts by weight of the silane coupling agent, stirring the silane coupling agent in the reaction kettle at the same speed for 10 minutes, and finally performing color matching detection and packaging;
step seven, preparing a group B, namely respectively weighing 50 parts of modified alicyclic amine KH-816 epoxy curing agent, 50 parts of dimethylbenzene and 30 parts of n-butyl alcohol, and uniformly stirring for 5-10 minutes in a reaction kettle at the rotating speed of 500 plus materials and 800 revolutions per minute;
step eight, respectively taking 4 parts of the component A and 1 part of the component B, mixing and stirring the two components uniformly, adding a proper amount of epoxy diluent to dilute the mixture to a viscosity capable of being constructed, standing the mixture for half an hour, and then coating the mixture on the inner wall of the cast iron drainage pipe according to standard requirements;
step nine, preparing 7-10 standard detection iron plates or finished iron blocks of the cast iron drain pipe, uniformly spraying the uniformly stirred sample on the standard detection iron plates or the inner wall of the iron blocks of the drain pipe to enable the thickness of a paint film to reach more than 120 mu m, and drying for 7 days at normal temperature to be detected;
step ten, obtaining a preparation sample.
EXAMPLE III
The preparation and application of the special epoxy resin paint for the inner wall of the cast tube comprise the following steps:
step one, preparing according to a mode of a group A and a group B;
step two, firstly preparing a group A, and respectively weighing 16.5 parts of 128 epoxy resin, 0.5 part of wetting dispersant, 0.6 part of bentonite, 1.8 parts of polyamide wax, 26 parts of talcum powder, 29 parts of barium sulfate, 1.5 parts of silane coupling agent, 2 parts of corrosion inhibitor, 12 parts of solvent, 2 parts of cyclohexanone, 40 parts of xylene and 20 parts of n-butyl alcohol;
step three, sequentially adding various raw materials into a reaction kettle, and then uniformly stirring the raw materials at the rotating speed of 800-;
step four, weighing 10 parts of iron oxide series pigment, 2 parts of corrosion inhibitor, 26 parts of talcum powder and 29 parts of barium sulfate, sequentially adding the materials into a reaction kettle, and uniformly stirring the materials at the rotating speed of 800-1200/min for 10-20 minutes;
step five, respectively adding the mixture obtained by mixing the two times into a paint grinder to grind the mixture until the fineness is less than or equal to 50 um;
putting the obtained product into a reaction kettle, weighing 1-2.5 parts by weight of the silane coupling agent, stirring the silane coupling agent in the reaction kettle at the same speed for 5-10 minutes, and finally performing color matching detection and packaging;
step seven, preparing a group B, namely respectively weighing 40 parts of modified alicyclic amine KH-816 epoxy curing agent, 40 parts of dimethylbenzene and 20 parts of n-butyl alcohol, and uniformly stirring for 5-10 minutes in a reaction kettle at the rotating speed of 500-;
step eight, respectively taking 4 parts of the component A and 1 part of the component B, mixing and stirring the two components uniformly, adding a proper amount of epoxy diluent to dilute the mixture to a viscosity capable of being constructed, standing the mixture for half an hour, and then coating the mixture on the inner wall of the cast iron drainage pipe according to standard requirements;
step nine, preparing 7-10 standard detection iron plates or finished iron blocks of the cast iron drain pipe, uniformly spraying the uniformly stirred sample on the standard detection iron plates or the inner wall of the iron blocks of the drain pipe to enable the thickness of a paint film to reach more than 120 mu m, and drying for 7 days at normal temperature to be detected;
step ten, obtaining a preparation sample.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The preparation and application of the special epoxy resin paint for the inner wall of the cast tube are characterized by comprising the following raw materials and auxiliary materials in parts by weight: 12-25 parts of 128 epoxy resin, 4-15 parts of iron oxide series pigment, 0.1-1 part of wetting dispersant, 0.1-1 part of bentonite, 1-2.5 parts of polyamide wax, 20-30 parts of talcum powder, 20-35 parts of barium sulfate, 1-2.5 parts of silane coupling agent, 1-5 parts of corrosion inhibitor, 9-15 parts of solvent and 1-3 parts of cyclohexanone;
the auxiliary materials comprise the following components in parts by weight: 30-50 parts of modified alicyclic amine KH-816 epoxy curing agent, 30-50 parts of dimethylbenzene and 15-30 parts of n-butyl alcohol.
2. The preparation and application of the epoxy resin paint special for the inner wall of the cast tube according to claim 1 are characterized in that: the raw material components and the weight portion ratio are as follows: 12 parts of 128 epoxy resin, 4 parts of iron oxide series pigment, 0.1 part of wetting dispersant, 0.1 part of bentonite, 1 part of polyamide wax, 20 parts of talcum powder, 20 parts of barium sulfate, 1 part of silane coupling agent, 1 part of corrosion inhibitor, 9 parts of solvent and 1 part of cyclohexanone;
the auxiliary materials comprise the following components in parts by weight: 30 parts of modified alicyclic amine KH-816 epoxy curing agent, 30 parts of dimethylbenzene and 15 parts of n-butyl alcohol.
3. The preparation and application of the epoxy resin paint special for the inner wall of the cast tube according to claim 1 are characterized in that: the raw material components and the weight portion ratio are as follows: 25 parts of 128 epoxy resin, 15 parts of iron oxide series pigment, 1 part of wetting dispersant, 1 part of bentonite, 2.5 parts of polyamide wax, 30 parts of talcum powder, 35 parts of barium sulfate, 2.5 parts of silane coupling agent, 5 parts of corrosion inhibitor, 15 parts of solvent and 3 parts of cyclohexanone;
the auxiliary materials comprise the following components in parts by weight: 50 parts of modified alicyclic amine KH-816 epoxy curing agent, 50 parts of dimethylbenzene and 30 parts of n-butyl alcohol.
4. The preparation and application of the special epoxy resin paint for the inner wall of the cast tube according to claim 1 are characterized in that: the raw material components and the weight portion ratio are as follows: 16.5 parts of 128 epoxy resin, 10 parts of iron oxide series pigment, 0.5 part of wetting dispersant, 0.6 part of bentonite, 1.8 parts of polyamide wax, 26 parts of talcum powder, 29 parts of barium sulfate, 1.5 parts of silane coupling agent, 2 parts of corrosion inhibitor, 12 parts of solvent and 2 parts of cyclohexanone;
the auxiliary materials comprise the following components in parts by weight: 40 parts of modified alicyclic amine KH-816 epoxy curing agent, 40 parts of dimethylbenzene and 20 parts of n-butyl alcohol.
5. The preparation and application of the special epoxy resin paint for the inner wall of the cast tube according to claim 1 are characterized by comprising the following steps:
step one, preparing according to a mode of a group A and a group B;
step two, firstly preparing a group A, and respectively weighing 12-25 parts of 128 epoxy resin, 0.1-1 part of wetting dispersant, 0.1-1 part of bentonite, 1-2.5 parts of polyamide wax, 20-30 parts of talcum powder, 20-35 parts of barium sulfate, 1-2.5 parts of silane coupling agent, 1-5 parts of corrosion inhibitor, 9-15 parts of solvent, 1-3 parts of cyclohexanone, 30-50 parts of dimethylbenzene and 15-30 parts of n-butyl alcohol;
step three, sequentially adding various raw materials into a reaction kettle, and then uniformly stirring the raw materials at the rotating speed of 800-;
step four, weighing 4-15 parts of iron oxide series pigment, 1-5 parts of corrosion inhibitor, 20-30 parts of talcum powder and 20-35 parts of barium sulfate, sequentially adding into a reaction kettle, and uniformly stirring various raw materials at the rotating speed of 800-;
step five, respectively adding the mixture obtained by mixing the two times into a paint grinder to grind the mixture until the fineness is less than or equal to 50 um;
putting the obtained product into a reaction kettle, weighing 1-2.5 parts by weight of the silane coupling agent, stirring the silane coupling agent in the reaction kettle at the same speed for 5-10 minutes, and finally performing color matching detection and packaging;
step seven, preparing a group B, namely respectively weighing 30-50 parts of modified alicyclic amine KH-816 epoxy curing agent, 30-50 parts of dimethylbenzene and 15-30 parts of n-butyl alcohol, and uniformly stirring for 5-10 minutes in a reaction kettle at the rotating speed of 500 plus 800 rpm;
step eight, respectively taking 4 parts of the component A and 1 part of the component B, mixing and stirring the two components uniformly, adding a proper amount of epoxy diluent to dilute the mixture to a viscosity capable of being constructed, standing the mixture for half an hour, and then coating the mixture on the inner wall of the cast iron drainage pipe according to standard requirements;
step nine, preparing 7-10 standard detection iron plates or finished iron blocks of the cast iron drain pipe, uniformly spraying the uniformly stirred sample on the standard detection iron plates or the inner wall of the iron blocks of the drain pipe to enable the thickness of a paint film to reach more than 120 mu m, and drying for 7 days at normal temperature to be detected;
step ten, obtaining a preparation sample.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210862614.5A CN115011209A (en) | 2022-07-21 | 2022-07-21 | Preparation and application of special epoxy resin paint for inner wall of cast tube |
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| CN202210862614.5A CN115011209A (en) | 2022-07-21 | 2022-07-21 | Preparation and application of special epoxy resin paint for inner wall of cast tube |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104087119A (en) * | 2014-07-14 | 2014-10-08 | 沈阳金飞马制漆有限公司 | Anticorrosive paint for inner wall of water supply cast iron pipe |
| CN107502135A (en) * | 2017-08-16 | 2017-12-22 | 山东沃丰格瑞管业有限公司 | A kind of central heating pipe inwall drag reduction anticorrosive paint and preparation method thereof |
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- 2022-07-21 CN CN202210862614.5A patent/CN115011209A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104087119A (en) * | 2014-07-14 | 2014-10-08 | 沈阳金飞马制漆有限公司 | Anticorrosive paint for inner wall of water supply cast iron pipe |
| CN107502135A (en) * | 2017-08-16 | 2017-12-22 | 山东沃丰格瑞管业有限公司 | A kind of central heating pipe inwall drag reduction anticorrosive paint and preparation method thereof |
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