CN111334163A - Solvent-free epoxy self-leveling antistatic finish paint and preparation method thereof - Google Patents
Solvent-free epoxy self-leveling antistatic finish paint and preparation method thereof Download PDFInfo
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- CN111334163A CN111334163A CN202010182435.8A CN202010182435A CN111334163A CN 111334163 A CN111334163 A CN 111334163A CN 202010182435 A CN202010182435 A CN 202010182435A CN 111334163 A CN111334163 A CN 111334163A
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- 239000003973 paint Substances 0.000 title claims abstract description 89
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 47
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- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
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- 238000005406 washing Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
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- 229910021485 fumed silica Inorganic materials 0.000 claims description 4
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 229940049964 oleate Drugs 0.000 claims description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
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- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920001921 poly-methyl-phenyl-siloxane Polymers 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 14
- 238000000576 coating method Methods 0.000 abstract description 14
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- 230000000052 comparative effect Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
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- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
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- 230000032683 aging Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
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- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/24—Electrically-conducting paints
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/06—Inorganic compounds or elements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/12—Aldehydes; Ketones
- D06M13/127—Mono-aldehydes, e.g. formaldehyde; Monoketones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a solvent-free epoxy self-leveling antistatic finish paint and a preparation method thereof, relates to the technical field of epoxy self-leveling finish paints, and solves the problem of poor integral application effect caused by poor antistatic durability of a floor coating, wherein the solvent-free epoxy self-leveling antistatic finish paint comprises a component A and a component B which are stored independently and mixed according to the weight ratio of (4-6) to 1 when in use, and the component A comprises the following raw materials in parts by weight: 25-35 parts of bisphenol A type epoxy resin; 1.2-1.6 parts of active diluent AGE; 1.4-1.8 parts of benzyl alcohol; 0.8-1.2 parts of Disponer 9250 wetting dispersant; 0.3-0.5 part of defoaming agent; 0.5-0.7 part of leveling agent; 0.8-1.2 parts of wax powder; 0.6-0.9 part of anti-settling agent; 45-50 parts of silicon-barium powder; 8-12 parts of epoxy color paste; 3-6 parts of conductive graphene; 2.5-5.5 parts of a conductive additive; 1.8-2.6 parts of hexadecyl trimethyl ammonium bromide; the component B is a polyether amine curing agent. The solvent-free epoxy self-leveling antistatic finish paint provided by the invention has stable and lasting antistatic performance.
Description
Technical Field
The invention relates to the technical field of epoxy self-leveling finish paints, in particular to a solvent-free epoxy self-leveling antistatic finish paint and a preparation method thereof.
Background
The floor coating is a ground decoration material prepared by mixing epoxy resin raw materials serving as a main agent, pigment, solvent and an auxiliary curing agent, and the like, and the epoxy oily floor coating is researched and produced to form the floor coating.
Factory building terrace coating generally contains high insulating macromolecular material, and its surface receives when rubbing or striking, produces very easily and accumulates static, can arouse electromagnetic interference, and is especially serious, when static accumulation to a certain extent, will produce electrostatic discharge, arouses that inflammable and explosive thing catches fire or explodes, causes huge bad accident, therefore at the terrace coating mostly need have good antistatic properties.
The invention discloses a low-temperature water-based epoxy floor coating and a preparation method and a construction method thereof in Chinese patent application with publication number CN109897504A, wherein the raw materials of the low-temperature water-based epoxy floor coating comprise, by weight, 25-40 parts of water-based aliphatic epoxy curing agent, 6-12 parts of toner, 0.2-1.5 parts of auxiliary agent, 40-60 parts of filler and 7-9 parts of solvent. The solvent comprises the following components in percentage by weight of 1-20: 1-45: 40-98% of methanol, ethylene glycol and water.
In the above application, the epoxy floor coating can be constructed under the condition below 0 ℃ without icing and has excellent product performance, and can solve the problems of slow reaction, incomplete reaction and even icing of the existing coating in a low-temperature environment, so that the floor has higher wear resistance, anti-cracking strength, hardness and the like, but the floor coating is mainly prepared by adding a conductive additive into a solvent type epoxy material, and in a long-time use process, the problem of non-lasting integral antistatic effect exists, and further the integral application effect is not good, therefore, a new scheme needs to be provided to solve the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a solvent-free epoxy self-leveling antistatic finish paint which can solve the technical problems and can keep stable and durable antistatic performance in the actual use process.
In order to achieve the first purpose, the invention provides the following technical scheme:
the solvent-free epoxy self-leveling antistatic finish paint comprises a component A and a component B, wherein the component A and the component B are separately stored and mixed according to the weight part ratio of (4-6) to 1 when in use, and the component A comprises the following raw materials in parts by weight:
25-35 parts of bisphenol A type epoxy resin;
1.2-1.6 parts of active diluent AGE;
1.4-1.8 parts of benzyl alcohol;
0.8-1.2 parts of Disponer 9250 wetting dispersant;
0.3-0.5 part of defoaming agent;
0.5-0.7 part of leveling agent;
0.8-1.2 parts of wax powder;
0.6-0.9 part of anti-settling agent;
45-50 parts of silicon-barium powder;
8-12 parts of epoxy color paste;
3-6 parts of conductive graphene;
2.5-5.5 parts of a conductive additive;
1.8-2.6 parts of hexadecyl trimethyl ammonium bromide;
the component B is a polyether amine curing agent.
By adopting the technical scheme, the coating film after the bisphenol A type epoxy acrylate is cured has good adhesive force, chemical resistance and strength, and is a good film forming substance; the active diluent AGE has certain etching capacity on a base material under the finish paint, so that an interpenetrating network can be formed between contact interfaces after the finish paint is cured, and the integral adhesive force of the solvent-free epoxy self-leveling antistatic finish paint can be improved; the benzyl alcohol and the Disponer 9250 wetting dispersant are combined to ensure that the raw materials of all the components are fully and uniformly mixed; the wear resistance and self density of the solvent-free epoxy self-leveling antistatic finish paint film can be greatly improved by the wax powder and the silicon-barium powder.
The conductive graphene can improve the wear resistance of the solvent-free epoxy self-leveling antistatic finish paint, can exert a good antistatic effect by utilizing good conductivity of the conductive graphene, has excellent heat conduction performance and optical characteristics, and can enable the solvent-free epoxy self-leveling antistatic finish paint to have good antistatic performance integrally; the hexadecyl trimethyl ammonium bromide can play a good role in wetting, sterilizing, antistatic and solubilizing, can play a good role in compounding and synergizing with the conductive graphene, can rapidly evacuate static charges, prevent static charge aggregation, avoid static sparks and electromagnetic wave interference and damage, enable the antistatic effect of the solvent-free epoxy self-leveling antistatic finish paint to be more durable and stable, and has three-in-one functions of high wear resistance, high impact resistance and antistatic function.
Preferably, 2-6 parts by weight of antistatic polyester fiber is added into the component A of the solvent-free epoxy self-leveling antistatic finish paint, and the antistatic polyester fiber is prepared from polyester fiber raw materials according to the following modification steps:
s1, washing the polyester fiber raw material with deionized water for 3-5 times, extracting in acetone for 10-24h, taking out and placing in a vacuum drying box at the temperature of 100-120 ℃ to obtain a pretreated polyester fiber raw material;
s2, irradiating the pretreated polyester fiber raw material with ultraviolet rays in an ozone atmosphere, and then soaking the irradiated polyester fiber raw material with a metal halide solution for ultrasonic treatment to obtain the antistatic polyester fiber.
By adopting the technical scheme, in the modification of the polyester fiber raw material, ultraviolet irradiation treatment is carried out, oxygen-containing groups can be introduced into the surface of the polyester fiber raw material, so that the polyester fiber raw material has certain hydrophilic performance and antistatic performance, then the polyester fiber raw material is soaked in a metal halide solution for ultrasonic treatment, so that metal halide enters the inside of the surface layer of the polyester fiber raw material, the conductive effect of the polyester fiber raw material can be greatly enhanced, and further the obtained antistatic polyester fiber is added into the solvent-free epoxy self-leveling antistatic finish paint, so that the antistatic performance of the solvent-free epoxy self-leveling antistatic finish paint can be greatly improved.
More preferably, in the S2, the ultraviolet irradiation intensity is 180-2The irradiation treatment time is 4-8 h; the metal halide solution is potassium iodide solution with the mass fraction of 8-12%; the power of the soaking ultrasonic treatment is 400-600w, and the time is 1.5-2.5 h.
By adopting the technical scheme, the parameter control is selected in the modification operation process, so that the antistatic polyester fiber with good conductivity can be obtained, the obtained antistatic polyester fiber has good structural strength, and the cracking resistance of the solvent-free epoxy self-leveling antistatic finish paint can be improved to a certain extent.
More preferably, the defoaming agent is any one of phenethyl alcohol oleate, polydimethylsiloxane, polyoxyethylene polyoxypropylene amine ether and polyoxyethylene polyoxypropylene pentaerythritol ether.
By adopting the technical scheme, the phenethyl alcohol oleate, the polydimethylsiloxane, the polyoxyethylene polyoxypropylene ether and the polyoxyethylene polyoxypropylene pentaerythritol ether are good defoaming agents, the defoaming time is long, the effect is good, the defoaming speed is high, the thermal stability is good, the solvent-free epoxy self-leveling antistatic finish paint is not easy to generate more foams in the using process, the solvent-free epoxy self-leveling antistatic finish paint coating is favorable to having good smoothness and can be tightly attached to the surface of a painted object, and the solvent-free epoxy self-leveling antistatic finish paint has a good application effect integrally.
More preferably, the leveling agent is any one of polyacrylic acid, carboxymethyl cellulose, polyester modified polysiloxane, polyether modified polysiloxane and polymethylphenyl siloxane.
By adopting the technical scheme, the selected leveling agent can enable the solvent-free epoxy self-leveling antistatic finish paint to form a flat, smooth and uniform coating film in the drying film-forming process, can improve the permeability of the solvent-free epoxy self-leveling antistatic finish paint, can reduce the possibility of generating spots and stains when being brushed, increases the coverage of the paint, and enables the film to be formed uniformly and naturally. Meanwhile, the leveling agent has good thermal stability and is easy to stabilize bubbles, so that the solvent-free epoxy self-leveling antistatic finish paint has high quality.
Further preferably, the anti-settling agent is any one of organic bentonite, fumed silica, a titanate coupling agent and hydrogenated castor oil.
By adopting the technical scheme, the organobentonite, the fumed silica, the titanate coupling agent and the hydrogenated castor oil are good anti-settling agents, and can effectively prevent the aggregation and the settling of solid particles, so that the paint film of the solvent-free epoxy self-leveling antistatic finish paint is more compact and uniform.
More preferably, the conductive assistant is any one of zinc oxide whisker, polyaniline, carbon fiber and carbon nanotube.
By adopting the technical scheme, the conductive assistant has good dispersibility and higher associativity with other raw materials, and after doping, the solvent-free epoxy self-leveling antistatic finish paint can have excellent conductivity and electrochemical performance, and can keep good and stable antistatic performance.
The invention also aims to provide a preparation method of the solvent-free epoxy self-leveling antistatic finish paint, and the solvent-free epoxy self-leveling antistatic finish paint prepared by the method can keep stable and lasting antistatic performance in the actual use process.
In order to achieve the second purpose, the invention provides the following technical scheme that the preparation method of the solvent-free epoxy self-leveling antistatic finish paint comprises the following steps:
step one, mixing bisphenol A type epoxy resin, an active diluent AGE and benzyl alcohol in corresponding parts by weight, stirring at the speed of 350rpm of 250-;
step two, grinding the slurry obtained in the step one to the fineness of 40-50 μm, adding the corresponding weight parts of epoxy color paste, dispersing at high speed for 10-15min at the rotation speed of 600 plus materials of 800rpm to obtain a semi-finished product;
filtering the semi-finished product obtained in the step two by using a sieve of 80-100 meshes, adding corresponding parts by weight of conductive graphene, conductive auxiliary agent and hexadecyl trimethyl ammonium bromide, dispersing at high speed for 15-25min at the rotation speed of 1000-1200rpm, filling nitrogen in vacuum to obtain a component A, and storing for later use;
and step four, adding the polyether amine curing agent into a stirring tank, stirring for 8-12min at 500-600rpm, filling nitrogen gas in vacuum, filling to obtain the component B, and storing for later use.
By adopting the technical scheme, the stable slurry is prepared firstly, then the color mixing grinding is carried out on the slurry, and finally the conductive graphene, the conductive auxiliary agent and the hexadecyl trimethyl ammonium bromide are added for energizing, so that the conductive graphene and the hexadecyl trimethyl ammonium bromide are fully compounded and combined, the A component with good and stable quality can be obtained, the A component and the B component are separately stored after being filled, and are mixed in proportion during use, so that the high-stability conductive graphene-based composite material is safer. Meanwhile, the process is simple to operate, high in production efficiency, free of great pollution to the environment and good in applicability in the actual use process.
In summary, compared with the prior art, the invention has the following beneficial effects:
(1) the hexadecyl trimethyl ammonium bromide and the conductive graphene can play a good role in compounding and synergism, can quickly evacuate static charges, prevent static charge aggregation, avoid electrostatic sparks and electromagnetic wave interference and damage, enable the antistatic effect of the solvent-free epoxy self-leveling antistatic finish paint to be more durable and stable, and have three-in-one functions of high wear resistance, high impact resistance and antistatic function;
(2) oxygen-containing groups are introduced to the surface of the polyester fiber raw material, and metal halide enters the surface layer of the polyester fiber raw material, so that the conductive effect of the polyester fiber raw material can be greatly enhanced, and the obtained antistatic polyester fiber is added into the solvent-free epoxy self-leveling antistatic finish paint, so that the antistatic performance of the solvent-free epoxy self-leveling antistatic finish paint can be greatly improved.
Drawings
FIG. 1 is a flow chart of a preparation process of the solvent-free epoxy self-leveling antistatic finish paint.
Detailed Description
The invention will be described in detail below with reference to fig. 1 and an embodiment.
Example 1: a solvent-free epoxy self-leveling antistatic finish paint comprises a component A and a component B which are stored independently and mixed according to the weight part ratio of 5:1 when in use, wherein the raw materials of the components and the corresponding weight parts are shown in Table 1, and the solvent-free epoxy self-leveling antistatic finish paint is prepared by the following steps:
step one, mixing bisphenol A type epoxy resin, an active diluent AGE and benzyl alcohol in corresponding parts by weight, stirring at the speed of 300rpm for 15min, continuously adding Disponer 9250 wetting dispersant, polydimethylsiloxane, polyacrylic acid and epoxy color paste in corresponding parts by weight, continuously stirring for 7.5min, then adding wax powder and organic bentonite in corresponding parts by weight, dispersing at a high speed of 12.5min and 700rpm, continuously adding silicon barium powder in corresponding parts by weight, increasing the rotating speed to 1500rpm, and dispersing at a high speed for 65min to obtain slurry;
step two, grinding the slurry obtained in the step one to the fineness of 45 μm, adding the corresponding weight part of epoxy color paste, dispersing at a high speed for 12.5min, wherein the rotating speed is 700rpm, and obtaining a semi-finished product;
filtering the semi-finished product obtained in the step two by using a 90-mesh screen, adding corresponding parts by weight of conductive graphene, polyaniline and hexadecyl trimethyl ammonium bromide, dispersing at a high speed of 1100rpm for 20min, filling nitrogen in vacuum, and thus obtaining a component A, and storing for later use;
and step four, adding the polyether amine curing agent into a stirring tank, stirring at 550rpm for 10min, filling nitrogen into the stirring tank in vacuum to obtain a component B, and storing the component B for later use.
Note: fine chemical industries, Inc. of Hubei green home in the above steps; wax powder is available from cohn 9615A wax powder; the specification of the silicon-barium powder is 2000 meshes; the epoxy color paste is purchased from Macro synthetic materials Co., Ltd, Jinzhou city; the conductive graphene is purchased from Henan Taiji chemical products Co., Ltd, and has the granularity of 30 um; the polyetheramine family curing agent is commercially available as hensman polyetheramine D-230 curing agent.
Example 2: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the embodiment 1 is that the solvent-free epoxy self-leveling antistatic finish paint specifically comprises the following steps:
step one, mixing bisphenol A type epoxy resin, an active diluent AGE and benzyl alcohol in corresponding parts by weight, stirring at the speed of 250rpm for 20min, continuously adding Disponer 9250 wetting dispersant, polydimethylsiloxane, polyacrylic acid and epoxy color paste in corresponding parts by weight, continuously stirring for 10min, then adding wax powder and organic bentonite in corresponding parts by weight, dispersing at a high speed of 800rpm for 10min, continuously adding silicon barium powder in corresponding parts by weight, increasing the rotating speed to 2000rpm, and dispersing at a high speed for 50min to obtain slurry;
grinding the slurry obtained in the step one to the fineness of 50 microns, adding corresponding parts by weight of epoxy color paste, and dispersing at a high speed for 15min at a rotating speed of 600rpm to obtain a semi-finished product;
filtering the semi-finished product obtained in the step two by using a 100-mesh screen, adding corresponding parts by weight of conductive graphene, polyaniline and hexadecyl trimethyl ammonium bromide, dispersing at a high speed for 25min at the rotating speed of 1000rpm, filling nitrogen in vacuum, and obtaining a component A, and storing for later use;
and step four, adding the polyether amine curing agent into a stirring tank, stirring for 12min at 600rpm, filling nitrogen into the stirring tank, and filling the mixture in vacuum to obtain a component B, and storing the component B for later use.
Example 3: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the embodiment 1 is that the solvent-free epoxy self-leveling antistatic finish paint specifically comprises the following steps:
step one, mixing bisphenol A type epoxy resin, an active diluent AGE and benzyl alcohol in corresponding parts by weight, stirring at the speed of 350rpm for 10min, continuously adding Disponer 9250 wetting dispersant, polydimethylsiloxane, polyacrylic acid and epoxy color paste in corresponding parts by weight, continuously stirring for 5min, then adding wax powder and organic bentonite in corresponding parts by weight, dispersing at a high speed of 600rpm for 15min, continuously adding silicon-barium powder in corresponding parts by weight, increasing the rotating speed to 1000rpm, and dispersing at a high speed for 80min to obtain slurry;
grinding the slurry obtained in the step one to the fineness of 40 mu m, adding corresponding parts by weight of epoxy color paste, and dispersing at a high speed of 800rpm for 10min to obtain a semi-finished product;
filtering the semi-finished product obtained in the step two by using a sieve of 80-100 meshes, adding corresponding parts by weight of conductive graphene, polyaniline and hexadecyl trimethyl ammonium bromide, dispersing at a high speed for 15min at the rotating speed of 1000rpm, filling nitrogen in vacuum, and obtaining a component A, and storing for later use;
and step four, adding the polyether amine curing agent into a stirring tank, stirring for 8min at 600rpm, filling nitrogen into the stirring tank, and filling the mixture in vacuum to obtain a component B, and storing the component B for later use.
Examples 4 to 5: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the example 1 is that the raw materials of each component and the corresponding parts by weight are shown in the table 1.
TABLE 1 raw materials and their parts by weight in examples 1-5
Example 6: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the finish paint in the embodiment 1 is that the mass of polydimethylsiloxane and the like in the step one is replaced by phenethyl alcohol oleate.
Example 7: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the finish paint in the embodiment 1 is that polydimethylsiloxane and the like in the step one are replaced by polyoxyethylene polyoxypropylene ether.
Example 8: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the finish paint in the embodiment 1 is that polydimethylsiloxane and the like in the step one are replaced by polyoxyethylene polyoxypropylene pentaerythritol ether in quality.
Example 9: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the finish paint in the embodiment 1 is that polyacrylic acid and the like in the step one are replaced by carboxymethyl cellulose.
Example 10: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the finish paint in the embodiment 1 is that polyacrylic acid and the like in the step one are replaced by polyester modified polysiloxane.
Example 11: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the finish paint in the embodiment 1 is that polyacrylic acid and the like in the step one are replaced by polymethylphenylsiloxane.
Example 12: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the finish paint in the embodiment 1 is that the organic bentonite and the like in the step one are replaced by fumed silica.
Example 13: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the embodiment 1 is that organic bentonite and the like in the step one are replaced by titanate coupling agent.
Example 14: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the finish paint in the embodiment 1 is that organic bentonite and the like in the step one are replaced by hydrogenated castor oil.
Example 15: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the embodiment 1 is that polyaniline and the like in the third step are replaced by zinc oxide whiskers.
Example 16: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the embodiment 1 is that the polyaniline and the like in the third step are replaced by carbon nano tubes.
Example 17: the difference between the solvent-free epoxy self-leveling antistatic finish paint and the embodiment 1 is that the polyaniline and the like in the step three are replaced by carbon fibers.
Example 18: the solvent-free epoxy self-leveling antistatic finish paint is different from that in example 1 in that the finish paint comprises a component A and a component B which are stored separately and are mixed according to the weight part ratio of 4:1 when in use.
Example 19: the solvent-free epoxy self-leveling antistatic finish paint is different from that in example 1 in that the finish paint comprises a component A and a component B which are stored separately and are mixed according to the weight part ratio of 6:1 when in use.
Example 20: a solvent-free epoxy self-leveling antistatic finish paint is different from that in the embodiment 1, the third step is specifically set as that after a semi-finished product obtained in the second step is filtered by a 90-mesh screen, corresponding parts by weight of conductive graphene, polyaniline, hexadecyl trimethyl ammonium bromide and 4 parts by weight of antistatic polyester fiber are added, high-speed dispersion is carried out for 20min, the rotating speed is 1100rpm, nitrogen is filled, and vacuum filling is carried out, so that a component A can be obtained and stored for later use;
the antistatic polyester fiber is prepared from a polyester fiber raw material according to the following modification steps:
s1, washing the polyester fiber raw material with deionized water for 4 times, extracting in acetone for 17 hours, taking out, and placing in a vacuum drying oven at 110 ℃ to obtain a pretreated polyester fiber raw material;
s2, irradiating the pretreated polyester fiber raw material with ultraviolet rays in an ozone atmosphere, wherein the ultraviolet ray irradiation intensity is 220 muW/cm2The irradiation treatment time is 6 hours, and then the irradiated polyester fiber raw material is soaked and ultrasonically treated by metal halide solution, wherein the metal halide solution is potassium iodide solution with the mass fraction of 10%; the soaking ultrasonic treatment power is 500w, the soaking ultrasonic treatment time is 2h, and the antistatic polyester can be obtainedA fiber.
Example 21: a solvent-free epoxy self-leveling antistatic finish paint is different from that in the embodiment 1, the third step is specifically set as that after a semi-finished product obtained in the second step is filtered by a 90-mesh screen, corresponding parts by weight of conductive graphene, polyaniline, hexadecyl trimethyl ammonium bromide and 2 parts by weight of antistatic polyester fiber are added, high-speed dispersion is carried out for 20min, the rotating speed is 1100rpm, nitrogen is filled, and vacuum filling is carried out, so that a component A can be obtained and stored for later use;
the antistatic polyester fiber is prepared from a polyester fiber raw material according to the following modification steps:
s1, washing the polyester fiber raw material with deionized water for 3 times, extracting in acetone for 24 hours, taking out, and placing in a vacuum drying oven at 120 ℃ to obtain a pretreated polyester fiber raw material;
s2, irradiating the pretreated polyester fiber raw material with ultraviolet rays in an ozone atmosphere, wherein the ultraviolet ray irradiation intensity is 180 mu W/cm2The irradiation treatment time is 8 hours, and then the irradiated polyester fiber raw material is soaked and ultrasonically treated by metal halide solution, wherein the metal halide solution is potassium iodide solution with the mass fraction of 12%; the soaking ultrasonic treatment power is 400w, and the soaking ultrasonic treatment time is 2.5h, so that the antistatic polyester fiber can be obtained.
Example 22: a solvent-free epoxy self-leveling antistatic finish paint is different from that in the embodiment 1, the third step is specifically set as that after a semi-finished product obtained in the second step is filtered by a 90-mesh screen, conductive graphene, polyaniline, hexadecyl trimethyl ammonium bromide and 6 parts of antistatic polyester fiber in corresponding parts by weight are added, high-speed dispersion is carried out for 20min at the rotating speed of 1100rpm, nitrogen is filled in the mixture, and vacuum filling is carried out, so that a component A can be obtained and stored for later use;
the antistatic polyester fiber is prepared from a polyester fiber raw material according to the following modification steps:
s1, washing the polyester fiber raw material with deionized water for 5 times, extracting in acetone for 10 hours, taking out, and placing in a vacuum drying oven at 100-DEG C to obtain a pretreated polyester fiber raw material;
s2, putting the pretreated polyester fiber raw material in an ozone atmospherePerforming ultraviolet irradiation with ultraviolet irradiation intensity of 260 μ W/cm2The irradiation treatment time is 4 hours, and then the irradiated polyester fiber raw material is soaked and ultrasonically treated by metal halide solution, wherein the metal halide solution is potassium iodide solution with the mass fraction of 8%; the soaking ultrasonic treatment power is 600w, and the soaking ultrasonic treatment time is 1.5h, so that the antistatic polyester fiber can be obtained.
Comparative example 1: a solvent-free epoxy self-leveling antistatic finish paint is different from that in the embodiment 1, the step three is specifically set as that after a semi-finished product obtained in the step two is filtered by a 90-mesh screen, polyaniline and hexadecyl trimethyl ammonium bromide in corresponding parts by weight are added, high-speed dispersion is carried out for 20min, the rotating speed is 1100rpm, nitrogen is filled in vacuum, and the component A is obtained and stored for later use.
Comparative example 2: a solvent-free epoxy self-leveling antistatic finish paint is different from that in the embodiment 1, the third step is specifically set to be that after a semi-finished product obtained in the second step is filtered by a 90-mesh screen, conductive graphene and polyaniline in corresponding parts by weight are added, high-speed dispersion is carried out for 20min, the rotating speed is 1100rpm, nitrogen is filled in vacuum, and the component A is obtained and stored for later use.
Comparative example 3: a solvent-free epoxy self-leveling antistatic finish paint is different from that in the embodiment 1, the third step is specifically set to be that after a semi-finished product obtained in the second step is filtered by a 90-mesh screen, polyaniline in corresponding parts by weight is added, high-speed dispersion is carried out for 20min, the rotating speed is 1100rpm, nitrogen is filled in vacuum, and the component A is obtained and stored for later use.
Performance testing
Test samples: the solvent-free epoxy self-leveling antistatic topcoats obtained in examples 1 to 22 were used as test samples 1 to 22, and the solvent-free epoxy self-leveling antistatic topcoats obtained in comparative examples 1 to 3 were used as control samples 1 to 3.
The test method comprises the following steps: according to the epoxy antistatic terrace detection method and the technical standard: ASTM F150-98 test method for resistance of conductive and static dissipative elastic floor, SJ/T10533-94 technical requirement for static electricity prevention in electronic equipment manufacture, JB/T9289-1999 technical requirement for grounding resistance tableThe initial surface resistances of the test samples 1-22 and the comparison samples 1-3 are tested and recorded in a test box with an aging acceleration test box, wherein the test box comprises SJ/T31469-2002 Standard on antistatic ground construction and acceptance, SJ/T11294-2003 Standard on antistatic terrace paint and HG/T3829-2006 Standard paint, and the lamp tube irradiation temperature is set to be 120W/m2The alternating temperature is 0-70 ℃, the temperature change speed is 2 ℃/min, the relative humidity is kept at 70%, then a cyclic test is carried out, when the surface resistance changes beyond 5%, the test is carried out every 12h for 5, and the test duration is recorded.
And (3) test results: the test results of the test samples 1 to 22 and the control samples 1 to 3 are shown in Table 2. As can be seen from Table 2, the test results of the test samples 1-3 and the comparison samples 1-3 are compared to obtain that the cetyl trimethyl ammonium bromide and the conductive graphene can play a good role in compounding and synergism, so that the antistatic effect of the solvent-free epoxy self-leveling antistatic finish paint is more durable and stable, and the solvent-free epoxy self-leveling antistatic finish paint has three effects of high wear resistance, high impact resistance and antistatic function. The comparison of the test results of the test samples 19-22 and the test sample 1 can be obtained, the oxygen-containing group is introduced to the surface of the polyester fiber raw material, and the metal halide enters the surface layer of the polyester fiber raw material, so that the conductive effect of the polyester fiber raw material can be greatly enhanced, the obtained antistatic polyester fiber is added into the solvent-free epoxy self-leveling antistatic finish paint, and the antistatic performance of the solvent-free epoxy self-leveling antistatic finish paint can be greatly improved.
TABLE 2 test results of test samples 1-22 and control samples 1-3
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The solvent-free epoxy self-leveling antistatic finish paint is characterized by comprising a component A and a component B which are stored independently and mixed according to the weight part ratio of (4-6) to 1 when in use, wherein the component A comprises the following raw materials in parts by weight:
25-35 parts of bisphenol A type epoxy resin;
1.2-1.6 parts of active diluent AGE;
1.4-1.8 parts of benzyl alcohol;
0.8-1.2 parts of Disponer 9250 wetting dispersant;
0.3-0.5 part of defoaming agent;
0.5-0.7 part of leveling agent;
0.8-1.2 parts of wax powder;
0.6-0.9 part of anti-settling agent;
45-50 parts of silicon-barium powder;
8-12 parts of epoxy color paste;
3-6 parts of conductive graphene;
2.5-5.5 parts of a conductive additive;
1.8-2.6 parts of hexadecyl trimethyl ammonium bromide;
the component B is a polyether amine curing agent.
2. The solvent-free epoxy self-leveling antistatic finish paint according to claim 1 is characterized in that 2-6 parts by weight of antistatic polyester fiber is further added into the component A of the solvent-free epoxy self-leveling antistatic finish paint, and the antistatic polyester fiber is prepared from polyester fiber raw materials according to the following modification steps:
s1, washing the polyester fiber raw material with deionized water for 3-5 times, extracting in acetone for 10-24h, taking out and placing in a vacuum drying box at the temperature of 100-120 ℃ to obtain a pretreated polyester fiber raw material;
s2, irradiating the pretreated polyester fiber raw material with ultraviolet rays in an ozone atmosphere, and then soaking the irradiated polyester fiber raw material with a metal halide solution for ultrasonic treatment to obtain the antistatic polyester fiber.
3. The solvent-free epoxy self-leveling antistatic finish paint according to claim 2, wherein in S2, the ultraviolet irradiation intensity is 180 μ W/cm, the irradiation processing time is 4-8 h; the metal halide solution is potassium iodide solution with the mass fraction of 8-12%; the power of the soaking ultrasonic treatment is 400-600w, and the time is 1.5-2.5 h.
4. The solvent-free epoxy self-leveling antistatic finish paint according to claim 1, characterized in that the defoaming agent is any one of phenethyl alcohol oleate, polydimethylsiloxane, polyoxyethylene polyoxypropylene amine ether and polyoxyethylene polyoxypropylene pentaerythritol ether.
5. The solvent-free epoxy self-leveling antistatic finish paint according to claim 1, wherein the leveling agent is any one of polyacrylic acid, carboxymethyl cellulose, polyester modified polysiloxane, polyether modified polysiloxane and polymethylphenylsiloxane.
6. The solventless epoxy self-leveling antistatic finish paint according to claim 1, wherein the anti-settling agent is any one of organic bentonite, fumed silica, titanate coupling agent and hydrogenated castor oil.
7. The solvent-free epoxy self-leveling antistatic finish paint as claimed in claim 1, wherein the conductive additive is any one of zinc oxide whisker, polyaniline, carbon fiber and carbon nanotube.
8. A method of making the solventless epoxy self-leveling antistatic topcoat of claim 1, comprising the steps of:
step one, mixing bisphenol A type epoxy resin, an active diluent AGE and benzyl alcohol in corresponding parts by weight, stirring at the speed of 350rpm of 250-;
step two, grinding the slurry obtained in the step one to the fineness of 40-50 μm, adding the corresponding weight parts of epoxy color paste, dispersing at high speed for 10-15min at the rotation speed of 600 plus materials of 800rpm to obtain a semi-finished product;
filtering the semi-finished product obtained in the step two by using a sieve of 80-100 meshes, adding corresponding parts by weight of conductive graphene, conductive auxiliary agent and hexadecyl trimethyl ammonium bromide, dispersing at high speed for 15-25min at the rotation speed of 1000-1200rpm, filling nitrogen in vacuum to obtain a component A, and storing for later use;
and step four, adding the polyether amine curing agent into a stirring tank, stirring for 8-12min at 500-600rpm, filling nitrogen gas in vacuum, filling to obtain the component B, and storing for later use.
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| CN116082926A (en) * | 2022-12-09 | 2023-05-09 | 江苏云湖新材料科技有限公司 | Graphene solvent-free epoxy static conductive anticorrosive paint and preparation method thereof |
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