CN112876926A - Process for preparing elastic paint - Google Patents
Process for preparing elastic paint Download PDFInfo
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- CN112876926A CN112876926A CN202110100980.2A CN202110100980A CN112876926A CN 112876926 A CN112876926 A CN 112876926A CN 202110100980 A CN202110100980 A CN 202110100980A CN 112876926 A CN112876926 A CN 112876926A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/28—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for wrinkle, crackle, orange-peel, or similar decorative effects
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
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Abstract
The invention provides a process for preparing elastic coating, which comprises the steps of mixing materials, preparing auxiliary materials, mixing, heating, sealing and cooling, wherein the flexible acrylic emulsion is adopted as a main component during mixing, the flexible acrylic emulsion has outstanding water resistance and weather resistance, particularly has excellent performance in high-gloss and semi-gloss coatings, is nontoxic, nonirritating and harmless to human bodies, and meets the requirement of environmental protection. Has strong stereoscopic impression, soft and rich color and strong expressive force, and can effectively keep the decorative effect of the wall surface for a long time.
Description
Technical Field
The invention relates to the technical field of coating manufacturing processes, in particular to a manufacturing process of an elastic coating.
Background
With the development and progress of society and the increasing living standard of substances, people have begun to use the requirements of comfort, environmental protection and multifunction of decorative materials as one of important conditions for material selection in the aspects of the selection of building decorative materials during the reconstruction and decoration of buildings such as houses and the like. The coating for decorating the building wall is used as an important product in home decoration materials, and directly reflects and influences the effect and the function of home decoration. In recent years, the market demands for such products tend to be multifunctional, high added value and high grade, so that multifunctional nano elastic exterior wall coatings with self-cleaning dirt resistance, scrubbing resistance, weather resistance and durability of quality are popular in the market according to different functions and characteristics of the coatings, and gradually become an important leading product series in the coating industry.
Building leakage and water resistance have been a major problem in the construction industry. The existing coatings, such as polyvinyl chloride (PVC) elastic waterproof coatings, waterproof coatings added with coal tar and asphalt, waterproof coatings adopting neoprene and 851 tar polyurethane, and the like, have the problems of high engineering cost, complex process, environmental pollution, harm to human health and the like.
Disclosure of Invention
In order to solve the above problems, the present invention provides a process for producing an elastic coating material, which solves the above problems more precisely.
The invention is realized by the following technical scheme:
the invention provides a manufacturing process of an elastic coating, which comprises the following steps:
s1-mixing materials, namely putting 40-60 parts by weight of flexible acrylic emulsion, 15-30 parts by weight of novolac epoxy resin, 10-20 parts by weight of polyether polyol, 15-40 parts by weight of polyacrylic resin, 20-40 parts by weight of rubber, 10-25 parts by weight of ethyl acetate, 10-25 parts by weight of toluene, 10-20 parts by weight of solvent oil, 0.8-1.5 parts by weight of defoaming agent and 1-6 parts by weight of flatting agent into a stirring device, stirring and mixing, adding 4-10 parts by weight of pigment after uniform mixing, stirring and mixing to obtain a main mixed material;
s2-preparing auxiliary materials, uniformly mixing and stirring the reinforcing agent, the flame retardant and the activator to obtain mixed auxiliary materials;
s3, mixing and heating, namely putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing for 1-2 hours, then putting into a heating device, heating to 40-60 ℃, and keeping for 3-6 hours to obtain a heating mixture;
s4-sealing and cooling, putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 20-26 ℃, and the standing time is 2-4h, so as to obtain the finished product of the elastic coating.
Further, the stirring speed of the stirring device in the step S1 is 500-700 rpm, and the stirring time is 40-60 min.
Further, the stirring speed of the stirring device in the step S3 is 300-500 rpm.
Further, the rubber in the step S1 is one or more of the following general rubber combinations: odorless natural rubber, butadiene rubber, styrene butadiene rubber, natural latex and raw rubber.
Further, the flexible acrylic emulsion in the step S1 includes, in parts by mass: 40-50 parts of butyl acrylate, 15-25 parts of styrene, 0.4-1.5 parts of methacrylic acid, 2-3 parts of acrylamide, 2.5-5.8 parts of ethyl acetoacetate methacrylate, 2.1-3.4 parts of sodium dodecyl benzene sulfonate, 1-1.5 parts of ammonium persulfate, 0.6-1.2 parts of sodium hydrosulfite, 0.6-2.5 parts of ammonia water and 45-52 parts of water.
The invention has the beneficial effects that:
the invention provides a process for preparing elastic paint, which comprises the steps of mixing materials, preparing auxiliary materials, mixing, heating, sealing and cooling, wherein a flexible acrylic emulsion is adopted as a main component during mixing, the flexible acrylic emulsion has outstanding water resistance and weather resistance, particularly has excellent performance in high-gloss and semi-gloss paint, is nontoxic, nonirritating and harmless to human body, and meets the requirement of environmental protection The wall can be coated by knife coating, brush coating or airless spraying, and the like, and the coating can be coated into decorative effects with different textures according to the field conditions, is natural and harmonious, has stronger third dimension, soft and rich color and strong expressive force, and can effectively maintain the decorative effect of the wall surface for a long time.
Drawings
FIG. 1 is a flow chart of the manufacturing process of the elastic coating material according to the present invention.
Detailed Description
In order to more clearly and completely explain the technical scheme of the invention, the invention is further explained with reference to the attached drawings.
Example 1
Referring to fig. 1, the present invention provides a manufacturing process of an elastic coating, including the following steps:
s1-mixing materials, namely putting 40 parts of flexible acrylic emulsion, 15 parts of novolac epoxy resin, 10 parts of polyether polyol, 15 parts of polyacrylic resin, 20 parts of rubber, 10 parts of ethyl acetate, 10 parts of toluene, 10 parts of solvent oil, 0.8 part of defoaming agent and 1 part of flatting agent into a stirring device, stirring and mixing, adding 4 parts of pigment after uniform mixing, stirring and mixing to obtain a main mixed material;
s2-preparing auxiliary materials, uniformly mixing and stirring the reinforcing agent, the flame retardant and the activator to obtain mixed auxiliary materials;
s3, mixing and heating, namely putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing for 1h, then putting into a heating device, heating to 40 ℃, and keeping for 3h to obtain a heating mixture;
s4, sealing and cooling, namely putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 20 ℃, and the standing time is 2 hours, so as to obtain the finished product of the elastic coating.
Further, the stirring speed of the stirring device in the step S1 is 500 rpm, and the stirring time is 40 min.
Further, the stirring speed of the stirring device in the step S3 is 300 rpm.
Further, the rubber in step S1 is one or more of the following general-purpose rubber combinations: odorless natural rubber and butadiene rubber.
Further, the flexible acrylic emulsion in the step S1 includes, in parts by mass: 40 parts of butyl acrylate, 15 parts of styrene, 0.4 part of methacrylic acid, 2 parts of acrylamide, 2.5 parts of ethyl acetoacetate methacrylate, 2.1 parts of sodium dodecyl benzene sulfonate, 1 part of ammonium persulfate, 0.6 part of sodium hydrosulfite, 0.6 part of ammonia water and 45 parts of water.
In the present embodiment:
according to the weight portion, 40 portions of flexible acrylic emulsion (the flexible acrylic emulsion comprises, by mass, 40 portions of butyl acrylate, 15 portions of styrene, 0.4 portion of methacrylic acid, 2 portions of acrylamide, 2.5 portions of ethyl acetoacetate methacrylate, 2.1 portions of sodium dodecyl benzene sulfonate, 1 portion of ammonium persulfate, 0.6 portion of sodium hydrosulfite, 0.6 portion of ammonia water and 45 portions of water), 15 portions of novolac epoxy resin, 10 portions of polyether polyol, 15 portions of polyacrylic resin and 20 portions of rubber (the rubber is one or more of the following general rubber combinations of odorless natural rubber, butadiene styrene rubber, natural latex and crude rubber), 10 portions of ethyl acetate, 10 portions of toluene, 10 portions of solvent oil, 0.8 portion of defoaming agent and 1 portion of flatting agent are placed into a stirring device to be stirred and mixed, the stirring speed is 500 r/min, the stirring time is 40min, after being mixed uniformly, 4 parts of pigment is added and stirred to be mixed, and a mixed main material is obtained; uniformly mixing and stirring the reinforcing agent, the flame retardant and the activating agent to obtain a mixed auxiliary material; putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing at the stirring speed of 300 revolutions per minute for 1 hour, then putting into a heating device, heating to 40 ℃, and keeping for 3 hours to obtain a heating mixture; and (3) putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 20 ℃, and the standing time is 2 hours, so as to obtain a finished product of the elastic coating.
Example 2
Referring to fig. 1, the present invention provides a manufacturing process of an elastic coating, including the following steps:
s1-mixing materials, namely putting 40 parts of flexible acrylic emulsion, 30 parts of novolac epoxy resin, 10 parts of polyether polyol, 15 parts of polyacrylic resin, 40 parts of rubber, 25 parts of ethyl acetate, 10 parts of toluene, 20 parts of solvent oil, 0.8 part of defoaming agent and 1 part of flatting agent into a stirring device, stirring and mixing, and adding 4 parts of pigment after uniform mixing, stirring and mixing to obtain a main mixed material;
s2-preparing auxiliary materials, uniformly mixing and stirring the reinforcing agent, the flame retardant and the activator to obtain mixed auxiliary materials;
s3, mixing and heating, namely putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing for 1h, then putting into a heating device, heating to 45 ℃, and keeping for 3h to obtain a heating mixture;
s4, sealing and cooling, namely putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 20 ℃, and the standing time is 2 hours, so as to obtain the finished product of the elastic coating.
Further, the stirring speed of the stirring device in the step S1 is 500 rpm, and the stirring time is 40 min.
Further, the stirring speed of the stirring device in the step S3 is 300 rpm.
Further, the rubber in step S1 is one or more of the following general-purpose rubber combinations: odorless natural rubber, natural latex, and crude rubber.
Further, the flexible acrylic emulsion in the step S1 includes, in parts by mass: 40 parts of butyl acrylate, 15 parts of styrene, 0.5 part of methacrylic acid, 2 parts of acrylamide, 3 parts of ethyl acetoacetate methacrylate, 2.4 parts of sodium dodecyl benzene sulfonate, 1 part of ammonium persulfate, 0.6 part of sodium hydrosulfite, 0.6 part of ammonia water and 45 parts of water.
In the present embodiment:
according to the weight portion, 40 portions of flexible acrylic emulsion (the flexible acrylic emulsion comprises, by mass, 40 portions of butyl acrylate, 15 portions of styrene, 0.5 portion of methacrylic acid, 2 portions of acrylamide, 3 portions of ethyl acetoacetate methacrylate, 2.4 portions of sodium dodecyl benzene sulfonate, 1 portion of ammonium persulfate, 0.6 portion of sodium hydrosulfite, 0.6 portion of ammonia water, 45 portions of water), 30 portions of novolac epoxy resin, 10 portions of polyether polyol, 15 portions of polyacrylic resin, and 40 portions of rubber (the rubber is one or more of the following general rubber combinations of odorless natural rubber, butadiene rubber, styrene-butadiene rubber, natural latex, crude rubber), 25 portions of ethyl acetate, 10 portions of toluene, 20 portions of solvent oil, 0.8 portion of defoaming agent and 1 portion of flatting agent are placed into a stirring device to be stirred at the stirring speed of 500 r/min for 40min, after being mixed uniformly, 4 parts of pigment is added and stirred to be mixed, and a mixed main material is obtained; uniformly mixing and stirring the reinforcing agent, the flame retardant and the activating agent to obtain a mixed auxiliary material; putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing at the stirring speed of 300 revolutions per minute for 1 hour, then putting into a heating device, heating to 45 ℃, and keeping for 3 hours to obtain a heating mixture; and (3) putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 20 ℃, and the standing time is 2 hours, so as to obtain a finished product of the elastic coating.
Example 3
Referring to fig. 1, the present invention provides a manufacturing process of an elastic coating, including the following steps:
s1, mixing materials, namely putting 50 parts by weight of flexible acrylic emulsion, 20 parts by weight of novolac epoxy resin, 15 parts by weight of polyether polyol, 20 parts by weight of polyacrylic resin, 25 parts by weight of rubber, 15 parts by weight of ethyl acetate, 15 parts by weight of toluene, 15 parts by weight of solvent oil, 1 part by weight of defoaming agent and 2 parts by weight of flatting agent into a stirring device, stirring and mixing, adding 6 parts by weight of pigment after uniform mixing, stirring and mixing to obtain a main mixed material;
s2-preparing auxiliary materials, uniformly mixing and stirring the reinforcing agent, the flame retardant and the activator to obtain mixed auxiliary materials;
s3, mixing and heating, namely putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing for 1.5 hours, then putting into a heating device, heating to 50 ℃, and keeping for 4 hours to obtain a heating mixture;
s4, sealing and cooling, namely putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 22 ℃, and the standing time is 3 hours, so as to obtain the finished product of the elastic coating.
Further, the stirring speed of the stirring device in the step S1 is 600 rpm, and the stirring time is 45 min.
Further, the stirring speed of the stirring device in the step S3 is 400 rpm.
Further, the rubber in step S1 is one or more of the following general-purpose rubber combinations: styrene butadiene rubber, natural latex and raw rubber.
Further, the flexible acrylic emulsion in the step S1 includes, in parts by mass: 45 parts of butyl acrylate, 20 parts of styrene, 0.6 part of methacrylic acid, 2.2 parts of acrylamide, 2.8 parts of ethyl acetoacetate methacrylate, 2.8 parts of sodium dodecyl benzene sulfonate, 1.2 parts of ammonium persulfate, 0.8 part of sodium hydrosulfite, 0.8 part of ammonia water and 48 parts of water.
In the present embodiment:
according to the weight portion, 50 portions of flexible acrylic emulsion (the flexible acrylic emulsion comprises, by mass, 45 portions of butyl acrylate, 20 portions of styrene, 0.6 portion of methacrylic acid, 2.2 portions of acrylamide, 2.8 portions of ethyl acetoacetate methacrylate, 2.8 portions of sodium dodecyl benzene sulfonate, 1.2 portions of ammonium persulfate, 0.8 portion of sodium hydrosulfite, 0.8 portion of ammonia water, 48 portions of water), 20 portions of novolac epoxy resin, 15 portions of polyether polyol, 20 portions of polyacrylic resin and 25 portions of rubber (the rubber is one or more than one general rubber combination of odorless natural rubber, butadiene rubber, styrene-butadiene rubber, natural latex, crude rubber), 15 portions of ethyl acetate, 15 portions of toluene, 15 portions of solvent oil, 1 portion of defoaming agent and 2 portions of flatting agent are put into a stirring device to be stirred and mixed, the stirring speed is 600 revolutions per minute, the stirring time is 45 minutes, after mixing evenly, adding 6 parts of pigment, stirring and mixing to obtain a main mixed material; uniformly mixing and stirring the reinforcing agent, the flame retardant and the activating agent to obtain a mixed auxiliary material; putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing at the stirring speed of 400 revolutions per minute for 1.5 hours, then putting into a heating device, heating to 50 ℃, and keeping for 4 hours to obtain a heating mixture; and (3) putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 22 ℃, and the standing time is 3 hours, so as to obtain a finished product of the elastic coating.
Example 4
Referring to fig. 1, the present invention provides a manufacturing process of an elastic coating, including the following steps:
s1-mixing materials, namely putting 50 parts by weight of flexible acrylic emulsion, 20 parts by weight of novolac epoxy resin, 15 parts by weight of polyether polyol, 25 parts by weight of polyacrylic resin, 25 parts by weight of rubber, 20 parts by weight of ethyl acetate, 15 parts by weight of toluene, 15 parts by weight of solvent oil, 1.2 parts by weight of defoaming agent and 3 parts by weight of flatting agent into a stirring device, stirring and mixing, adding 6 parts by weight of pigment after uniform mixing, stirring and mixing to obtain a main mixed material;
s2-preparing auxiliary materials, uniformly mixing and stirring the reinforcing agent, the flame retardant and the activator to obtain mixed auxiliary materials;
s3, mixing and heating, namely putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing for 1.5 hours, then putting into a heating device, heating to 50 ℃, and keeping for 4 hours to obtain a heating mixture;
s4, sealing and cooling, namely putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 22 ℃, and the standing time is 3 hours, so as to obtain the finished product of the elastic coating.
Further, the stirring speed of the stirring device in the step S1 is 600 rpm, and the stirring time is 50 min.
Further, the stirring speed of the stirring device in the step S3 is 400 rpm.
Further, the rubber in step S1 is one or more of the following general-purpose rubber combinations: odorless natural rubber, butadiene rubber, styrene butadiene rubber, natural latex and raw rubber.
Further, the flexible acrylic emulsion in the step S1 includes, in parts by mass: 45 parts of butyl acrylate, 20 parts of styrene, 1 part of methacrylic acid, 2.5 parts of acrylamide, 4.2 parts of ethyl acetoacetate methacrylate, 2.8 parts of sodium dodecyl benzene sulfonate, 1.2 parts of ammonium persulfate, 1 part of sodium hydrosulfite, 1.5 parts of ammonia water and 50 parts of water.
In the present embodiment:
according to the weight portion, 50 portions of flexible acrylic emulsion (the flexible acrylic emulsion comprises, by mass, 45 portions of butyl acrylate, 20 portions of styrene, 1 portion of methacrylic acid, 2.5 portions of acrylamide, 4.2 portions of ethyl acetoacetate methacrylate, 2.8 portions of sodium dodecyl benzene sulfonate, 1.2 portions of ammonium persulfate, 1 portion of sodium hydrosulfite, 1.5 portions of ammonia water and 50 portions of water), 20 portions of novolac epoxy resin, 15 portions of polyether polyol, 25 portions of polyacrylic resin and 25 portions of rubber (the rubber is one or more of the following general rubber combinations of odorless natural rubber, butadiene rubber, styrene butadiene rubber, natural latex and crude rubber), 20 portions of ethyl acetate, 15 portions of toluene, 15 portions of solvent oil, 1.2 portions of defoaming agent and 3 portions of flatting agent are put into a stirring device to be stirred and mixed, the stirring speed is 600 r/min, the stirring time is 50min, after mixing evenly, adding 6 parts of pigment, stirring and mixing to obtain a main mixed material; uniformly mixing and stirring the reinforcing agent, the flame retardant and the activating agent to obtain a mixed auxiliary material; putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing at the stirring speed of 400 revolutions per minute for 1.5 hours, then putting into a heating device, heating to 50 ℃, and keeping for 4 hours to obtain a heating mixture; and (3) putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 22 ℃, and the standing time is 3 hours, so as to obtain a finished product of the elastic coating.
Example 5
Referring to fig. 1, the present invention provides a manufacturing process of an elastic coating, including the following steps:
s1-mixing materials, namely putting 60 parts of flexible acrylic emulsion, 30 parts of novolac epoxy resin, 20 parts of polyether polyol, 40 parts of polyacrylic resin, 40 parts of rubber, 25 parts of ethyl acetate, 25 parts of toluene, 20 parts of solvent oil, 1.5 parts of defoaming agent and 6 parts of flatting agent into a stirring device, stirring and mixing, adding 10 parts of pigment after uniform mixing, stirring and mixing to obtain a main mixed material;
s2-preparing auxiliary materials, uniformly mixing and stirring the reinforcing agent, the flame retardant and the activator to obtain mixed auxiliary materials;
s3, mixing and heating, namely putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing for 2 hours, then putting into a heating device, heating to 60 ℃, and keeping for 5 hours to obtain a heated mixture;
s4, sealing and cooling, namely putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 26 ℃, and the standing time is 4 hours, so as to obtain the finished product of the elastic coating.
Further, the stirring speed of the stirring device in the step S1 is 700 rpm, and the stirring time is 60 min.
Further, the stirring speed of the stirring device in the step S3 is 500 rpm.
Further, the rubber in step S1 is one or more of the following general-purpose rubber combinations: odorless natural rubber, butadiene rubber, styrene butadiene rubber, natural latex and raw rubber.
Further, the flexible acrylic emulsion in the step S1 includes, in parts by mass: 45 parts of butyl acrylate, 20 parts of styrene, 1.2 parts of methacrylic acid, 2.5 parts of acrylamide, 4.5 parts of ethyl acetoacetate methacrylate, 2.8 parts of sodium dodecyl benzene sulfonate, 1.3 parts of ammonium persulfate, 0.8 part of sodium hydrosulfite, 1.8 parts of ammonia water and 50 parts of water.
In the present embodiment:
according to the weight portion, 60 portions of flexible acrylic emulsion (the flexible acrylic emulsion comprises, by mass, 45 portions of butyl acrylate, 20 portions of styrene, 1.2 portions of methacrylic acid, 2.5 portions of acrylamide, 4.5 portions of ethyl acetoacetate methacrylate, 2.8 portions of sodium dodecyl benzene sulfonate, 1.3 portions of ammonium persulfate, 0.8 portion of sodium hydrosulfite, 1.8 portions of ammonia water, 50 portions of water), 30 portions of novolac epoxy resin, 20 portions of polyether polyol, 40 portions of polyacrylic resin and 40 portions of rubber (the rubber is one or more than one of universal rubber combinations of odorless natural rubber, butadiene rubber, styrene-butadiene rubber, natural latex, crude rubber), 25 portions of ethyl acetate, 25 portions of toluene, 20 portions of solvent oil, 1.5 portions of a flatting agent and 6 portions of the flatting agent are put into a stirring device to be stirred and mixed, the stirring speed is 700 revolutions per minute, the stirring time is 60 minutes, after being mixed uniformly, 10 parts of pigment is added and stirred to be mixed, and a mixed main material is obtained; uniformly mixing and stirring the reinforcing agent, the flame retardant and the activating agent to obtain a mixed auxiliary material; putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing at the stirring speed of 500 revolutions per minute for 2 hours, then putting into a heating device, heating to 60 ℃, and keeping for 5 hours to obtain a heating mixture; and (3) putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 26 ℃, and the standing time is 4 hours, so as to obtain a finished product of the elastic coating.
Example 6
Referring to fig. 1, the present invention provides a manufacturing process of an elastic coating, including the following steps:
s1-mixing materials, namely putting 60 parts of flexible acrylic emulsion, 30 parts of novolac epoxy resin, 20 parts of polyether polyol, 40 parts of polyacrylic resin, 40 parts of rubber, 25 parts of ethyl acetate, 25 parts of toluene, 20 parts of solvent oil, 1.5 parts of defoaming agent and 6 parts of flatting agent into a stirring device, stirring and mixing, adding 10 parts of pigment after uniform mixing, stirring and mixing to obtain a main mixed material;
s2-preparing auxiliary materials, uniformly mixing and stirring the reinforcing agent, the flame retardant and the activator to obtain mixed auxiliary materials;
s3, mixing and heating, namely putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing for 2 hours, then putting into a heating device, heating to 60 ℃, and keeping for 6 hours to obtain a heated mixture;
s4, sealing and cooling, namely putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 26 ℃, and the standing time is 4 hours, so as to obtain the finished product of the elastic coating.
Further, the stirring speed of the stirring device in the step S1 is 700 rpm, and the stirring time is 60 min.
Further, the stirring speed of the stirring device in the step S3 is 500 rpm.
Further, the rubber in step S1 is one or more of the following general-purpose rubber combinations: odorless natural rubber, butadiene rubber, styrene butadiene rubber, natural latex and raw rubber.
Further, the flexible acrylic emulsion in the step S1 includes, in parts by mass: 50 parts of butyl acrylate, 25 parts of styrene, 1.5 parts of methacrylic acid, 3 parts of acrylamide, 5.8 parts of ethyl acetoacetate methacrylate, 3.4 parts of sodium dodecyl benzene sulfonate, 1.5 parts of ammonium persulfate, 1.2 parts of sodium hydrosulfite, 2.5 parts of ammonia water and 52 parts of water.
In the present embodiment:
according to the weight portion, 60 portions of flexible acrylic emulsion (the flexible acrylic emulsion comprises, by mass, 50 portions of butyl acrylate, 25 portions of styrene, 1.5 portions of methacrylic acid, 3 portions of acrylamide, 5.8 portions of ethyl acetoacetate methacrylate, 3.4 portions of sodium dodecyl benzene sulfonate, 1.5 portions of ammonium persulfate, 1.2 portions of sodium hydrosulfite, 2.5 portions of ammonia water, 52 portions of water), 30 portions of novolac epoxy resin, 20 portions of polyether polyol, 40 portions of polyacrylic resin and 40 portions of rubber (the rubber is one or more than one general rubber combination of odorless natural rubber, butadiene rubber, styrene butadiene rubber, natural latex, crude rubber), 25 portions of ethyl acetate, 25 portions of toluene, 20 portions of solvent oil, 1.5 portions of defoaming agent and 6 portions of flatting agent are put into a stirring device to be stirred and mixed, the stirring rate is 700 r/min, the stirring time is 60min, after being mixed uniformly, 10 parts of pigment is added and stirred to be mixed, and a mixed main material is obtained; uniformly mixing and stirring the reinforcing agent, the flame retardant and the activating agent to obtain a mixed auxiliary material; putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing at the stirring speed of 500 revolutions per minute for 2 hours, then putting into a heating device, heating to 60 ℃, and keeping for 6 hours to obtain a heating mixture; and (3) putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 26 ℃, and the standing time is 4 hours, so as to obtain a finished product of the elastic coating.
In conclusion, the manufacturing process of the elastic coating adopts the steps of material mixing, auxiliary material preparation, mixing heating, sealing and cooling, adopts the flexible acrylic emulsion as a main component during mixing, has outstanding water resistance and weather resistance, particularly has excellent performance in high-gloss and semi-gloss coatings, is nontoxic, nonirritating and harmless to human bodies, and meets the requirement of environmental protection The wall can be coated by knife coating, brush coating or airless spraying, and the like, and the coating can be coated into decorative effects with different textures according to the field conditions, is natural and harmonious, has stronger third dimension, soft and rich color and strong expressive force, and can effectively maintain the decorative effect of the wall surface for a long time.
Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.
Claims (5)
1. A process for the manufacture of an elastomeric coating, comprising the steps of:
s1-mixing materials, namely putting 40-60 parts by weight of flexible acrylic emulsion, 15-30 parts by weight of novolac epoxy resin, 10-20 parts by weight of polyether polyol, 15-40 parts by weight of polyacrylic resin, 20-40 parts by weight of rubber, 10-25 parts by weight of ethyl acetate, 10-25 parts by weight of toluene, 10-20 parts by weight of solvent oil, 0.8-1.5 parts by weight of defoaming agent and 1-6 parts by weight of flatting agent into a stirring device, stirring and mixing, adding 4-10 parts by weight of pigment after uniform mixing, stirring and mixing to obtain a main mixed material;
s2-preparing auxiliary materials, uniformly mixing and stirring the reinforcing agent, the flame retardant and the activator to obtain mixed auxiliary materials;
s3, mixing and heating, namely putting the mixed main material in the step S1 and the mixed auxiliary material in the step S2 into a stirring device, stirring and mixing for 1-2 hours, then putting into a heating device, heating to 40-60 ℃, and keeping for 3-6 hours to obtain a heating mixture;
s4-sealing and cooling, putting the heated mixture into a sealed box filled with nitrogen, wherein the temperature in the sealed box is 20-26 ℃, and the standing time is 2-4h, so as to obtain the finished product of the elastic coating.
2. The process for preparing the elastic paint as claimed in claim 1, wherein the stirring speed of the stirring device in the step S1 is 500-700 rpm, and the stirring time is 40-60 min.
3. The process for preparing an elastic coating according to claim 1, wherein the stirring speed of the stirring device in step S3 is 300-500 rpm.
4. The process for producing an elastic coating material according to claim 1, wherein said rubber in said step S1 is one or more of the following general-purpose rubber combinations: odorless natural rubber, butadiene rubber, styrene butadiene rubber, natural latex and raw rubber.
5. The manufacturing process of elastic paint according to claim 1, wherein said flexible acrylic emulsion in step S1 comprises, in parts by mass: 40-50 parts of butyl acrylate, 15-25 parts of styrene, 0.4-1.5 parts of methacrylic acid, 2-3 parts of acrylamide, 2.5-5.8 parts of ethyl acetoacetate methacrylate, 2.1-3.4 parts of sodium dodecyl benzene sulfonate, 1-1.5 parts of ammonium persulfate, 0.6-1.2 parts of sodium hydrosulfite, 0.6-2.5 parts of ammonia water and 45-52 parts of water.
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| CN202110100980.2A CN112876926A (en) | 2021-04-30 | 2021-04-30 | Process for preparing elastic paint |
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| CN202110100980.2A CN112876926A (en) | 2021-04-30 | 2021-04-30 | Process for preparing elastic paint |
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| CN103820007A (en) * | 2013-12-11 | 2014-05-28 | 青岛海洋新材料科技有限公司 | Elastic antiskid deck paint and preparation method thereof |
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| CN103820007A (en) * | 2013-12-11 | 2014-05-28 | 青岛海洋新材料科技有限公司 | Elastic antiskid deck paint and preparation method thereof |
| CN103937310A (en) * | 2014-03-21 | 2014-07-23 | 安徽蓝柯复合材料有限公司 | Anticorrosive coating and preparation method thereof |
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Application publication date: 20210601 |