CN112812598A - Architectural decoration coating with good flame retardance and preparation method thereof - Google Patents
Architectural decoration coating with good flame retardance and preparation method thereof Download PDFInfo
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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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
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
Abstract
The invention discloses an architectural decorative coating with good flame retardance and a preparation method thereof, relating to the technical field of architectural decoration, wherein the architectural decorative coating is prepared from the following raw materials: the building decorative coating flame retardant with good flame retardance adopts dendritic organic montmorillonite and red phosphorus which are matched for use, the red phosphorus is heated to contact with oxygen to generate metaphosphoric acid, so that a burnt object is quickly carbonized to generate carbon and water, the water absorbs the heat to generate steam, the temperature of the burnt object is reduced, the oxygen in the air can be diluted, the burning speed is slowed down, the combustible object is prevented from further burning, the use is safe and environment-friendly, and the building decorative coating flame retardant has potential economic benefit and social significance, and has good flame retardance.
Description
Technical Field
The invention relates to the technical field of architectural decoration, in particular to an architectural decoration coating with good flame retardance and a preparation method thereof.
Background
There are many ways to decorate and protect buildings, but the use of paint is the simplest, economical and easy to repair and update, and is widely used in domestic and foreign construction projects. The exterior wall of modern buildings is mostly constructed by building materials such as reinforced concrete, cement prefabricated parts or masonry, the main component of most of substrates faced by exterior wall coatings is cement, the coatings are general names of liquid or solid materials which can form solid coatings with protection, decoration or special performance after being coated on the surface of an object, along with increasing varieties of coating products and continuous expansion of application range, the coating industry has become an important independent industrial production part in the chemical industry, and in the coating industry, powder coatings are used as a new material industry, and are widely applied to household appliances because the powder coatings have the advantages of no organic solvent, excellent physical and mechanical properties, safe production and construction, better chemical resistance and weather resistance, recyclable over-sprayed powder, easy automation realization of coating, excellent coating performance and the like, Indoor and outdoor members, transportation, and the like.
The existing architectural decorative coating has poor flame retardant property, and in order to improve the flame retardant effect of the architectural decorative coating, the general method is to add a flame retardant to achieve the effect, but the addition of part of the flame retardant can influence the performance and the service life of the architectural decorative coating.
Disclosure of Invention
The invention aims to provide an architectural decorative coating with good flame retardance so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the building decorative coating with good flame retardance comprises the following raw materials in parts by weight: 45-70 parts of emulsion base material, 4-12 parts of ethylene glycol, 1-5 parts of sodium polyacrylate, 3-11 parts of tributyl phosphate, 2-7 parts of hydroxyethyl cellulose, 0.5-1.2 parts of titanium dioxide, 0.3-0.9 part of talcum powder, 0.5-1.8 parts of perlite, 3-8 parts of foaming agent, 0.3-1.4 parts of lecithin, 0.1-0.4 part of terpineol, 6-12 parts of pigment, 6-11 parts of lauryl methacrylate, 7-15 parts of high impact polystyrene, 0.8-1.8 parts of antistatic agent and 2-8 parts of flame retardant.
As a further scheme of the invention: the building decorative coating with good flame retardance comprises the following raw materials in parts by weight: 60 parts of emulsion base material, 8 parts of ethylene glycol, 3 parts of sodium polyacrylate, 7 parts of tributyl phosphate, 5 parts of hydroxyethyl cellulose, 0.8 part of titanium dioxide, 0.6 part of talcum powder, 1.1 parts of perlite, 5 parts of foaming agent, 0.8 part of lecithin, 0.2 part of terpineol, 9 parts of pigment, 8 parts of lauryl methacrylate, 11 parts of high impact polystyrene, 1.3 parts of antistatic agent and 6 parts of flame retardant.
As a still further scheme of the invention: the emulsion base material is prepared by mixing one or more of pure acrylic emulsion, styrene-acrylic emulsion and neoprene emulsion.
As a still further scheme of the invention: the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite is synthesized into a dendritic polymer containing phosphorus and nitrogen by taking hexachlorocyclotriphosphazene as a core through Michael addition reaction of ethylenediamine and methyl acrylate, organic modification is carried out through methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally, the terminal amino group of the dendritic polymer obtained by synthesis is modified.
As a still further scheme of the invention: the antistatic agent is an ethylene oxide addition product.
A preparation method of a building decorative coating with good flame retardance comprises the following steps:
s1, mixing and stirring emulsion base materials, ethylene glycol, sodium polyacrylate, tributyl phosphate, hydroxyethyl cellulose, titanium dioxide, talcum powder, perlite, a foaming agent, lecithin, terpineol and pigment to obtain a first mixture;
s2, adding lauryl methacrylate, high impact polystyrene, an antistatic agent and a flame retardant into the first mixture obtained by mixing the materials in the S1, and mixing and stirring again to obtain a second mixture;
s3, grinding the second mixture obtained in the step S2 until the fineness reaches 45-55 μm;
s4, filtering the solution obtained in the step S3 to obtain the architectural decorative paint with good flame retardance.
As a still further scheme of the invention: in the step S1, the speed of the mixing stirrer is 650-750rpm, and the stirring time is 25-35 min.
As a still further scheme of the invention: in the step S2, the speed of the mixing stirrer is 550-700rpm, and the stirring time is 15-25 min.
Compared with the prior art, the invention has the beneficial effects that: a building decorative coating with good flame retardance:
1) the flame retardant for the architectural decorative coating with good flame retardance of the invention adopts the coordination of dendritic organic montmorillonite and red phosphorus, the red phosphorus is heated to contact with oxygen to generate metaphosphoric acid, so that a burnt object is quickly carbonized to generate carbon and water, the water absorbs the heat to generate steam, the temperature of the burnt object can be reduced, the oxygen in the air can be diluted to slow down the combustion speed, the metaphosphoric acid can also act with carbon, a glassy coke layer is formed on the surface of the burnt object to isolate oxygen and heat and prevent the combustible object from further combustion, dendritic organic montmorillonite is used for modifying natural rubber to obtain the flame retardant architectural decorative coating with excellent flame retardance, thermal stability, mechanical property and the like, the controllable stripping of montmorillonite in the flame retardant architectural decorative coating and the uniform dispersion of the montmorillonite in a polymer matrix and good compatibility with the polymer are realized, the flame retardant is safe and environment-friendly in use, and has potential economic benefit and social significance, the flame retardant effect is good;
2) the coating has excellent high-temperature non-combustible performance, high drying and solidification speed, flexible color matching, convenient and quick construction, simple manufacturing method, excellent flame retardance and non-flame-retarding property; the smoke quantity is very small when the smoke-free flame-retardant plastic is burnt, and toxic gas and corrosive gas are not generated.
Detailed Description
The flame retardant for the architectural decoration coating with good flame retardance is prepared by matching dendritic organic montmorillonite with red phosphorus, the red phosphorus is heated to contact with oxygen to generate metaphosphoric acid, so that a burnt object is quickly carbonized to generate carbon and water, the water absorbs the heat to generate steam, the temperature of the burnt object is reduced, the oxygen in the air can be diluted to slow down the combustion speed, the metaphosphoric acid can also act with carbon, a glassy coke layer is formed on the surface of the burnt object to isolate oxygen and heat and prevent the combustible object from further combustion, and the flame retardant is safe and environment-friendly to use and has potential economic benefit and social significance, so that the flame retardant effect is good.
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Taking 45 parts of emulsion base material, 4 parts of ethylene glycol, 1 part of sodium polyacrylate, 3 parts of tributyl phosphate, 2 parts of hydroxyethyl cellulose, 0.5 part of titanium dioxide, 0.3 part of talcum powder, 0.5 part of perlite, 3 parts of foaming agent, 0.3 part of lecithin, 0.1 part of terpineol and 6 parts of pigment, mixing and stirring, wherein the emulsion base material is pure acrylic emulsion to obtain a first mixture for later use, the speed of the mixing and stirring machine is 650rpm, and the stirring time is 25 min; adding 6 parts of lauryl methacrylate, 7 parts of high impact polystyrene, 0.8 part of antistatic agent and 2 parts of flame retardant into the first mixture obtained by mixing, and mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide adduct, the speed of the mixing stirrer is 550rpm, and the stirring time is 15 min; grinding the obtained second mixture until the fineness reaches 45 mu m; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Example 2
Mixing and stirring 48 parts of emulsion base material, 6 parts of ethylene glycol, 2 parts of sodium polyacrylate, 5 parts of tributyl phosphate, 3 parts of hydroxyethyl cellulose, 0.7 part of titanium dioxide, 0.4 part of talcum powder, 0.7 part of perlite, 4 parts of foaming agent, 0.5 part of lecithin, 0.2 part of terpineol and 7 parts of pigment to obtain a first mixture for later use, wherein the emulsion base material is styrene-acrylic emulsion, the speed of the mixing stirrer is 660rpm, and the stirring time is 27 min; adding 7 parts of lauryl methacrylate, 8 parts of high impact polystyrene, 1 part of antistatic agent and 3 parts of flame retardant into the first mixture obtained by mixing, mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide addition compound, the speed of a mixing stirrer is 570rpm, and the stirring time is 17 min; grinding the obtained second mixture until the fineness reaches 47 mu m; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Example 3
Taking 55 parts of emulsion base material, 8 parts of ethylene glycol, 3 parts of sodium polyacrylate, 7 parts of tributyl phosphate, 4 parts of hydroxyethyl cellulose, 0.8 part of titanium dioxide, 0.5 part of talcum powder, 1 part of perlite, 5 parts of foaming agent, 0.7 part of lecithin, 0.3 part of terpineol and 8 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is neoprene latex, the speed of the mixing and stirring machine is 680rpm, and the stirring time is 29 min; adding 8 parts of lauryl methacrylate, 10 parts of high impact polystyrene, 1.2 parts of an antistatic agent and 4 parts of a flame retardant into the first mixture obtained by mixing, mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide addition compound, the speed of a mixing stirrer is 590rpm, and the stirring time is 19 min; grinding the obtained second mixture until the fineness reaches 50 mu m; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Example 4
Mixing and stirring 60 parts of emulsion base material, 9 parts of ethylene glycol, 4 parts of sodium polyacrylate, 8 parts of tributyl phosphate, 5 parts of hydroxyethyl cellulose, 0.9 part of titanium dioxide, 0.6 part of talcum powder, 1.2 parts of perlite, 6 parts of foaming agent, 0.9 part of lecithin, 0.3 part of terpineol and 9 parts of pigment to obtain a first mixture for later use, wherein the emulsion base material is a mixture of pure acrylic emulsion and styrene-acrylic emulsion, the mixing ratio is 1:1, the speed of the mixing stirrer is 700rpm, and the stirring time is 32 min; adding 9 parts of lauryl methacrylate, 11 parts of high impact polystyrene, 1.3 parts of an antistatic agent and 5 parts of a flame retardant into the first mixture obtained by mixing, mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide adduct, the speed of the mixing stirrer is 620rpm, and the stirring time is 21 min; grinding the obtained second mixture until the fineness reaches 52 mu m; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Example 5
Taking 65 parts of emulsion base material, 10 parts of ethylene glycol, 4 parts of sodium polyacrylate, 9 parts of tributyl phosphate, 6 parts of hydroxyethyl cellulose, 1.0 part of titanium dioxide, 0.7 part of talcum powder, 1.4 parts of perlite, 7 parts of foaming agent, 1 part of lecithin, 0.4 part of terpineol and 10 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is a mixture of pure acrylic emulsion and neoprene latex, the mixing ratio is 1:1, the speed of a mixing stirrer is 720rpm, and the stirring time is 33 min; adding 10 parts of lauryl methacrylate, 12 parts of high impact polystyrene, 1.5 parts of an antistatic agent and 6 parts of a flame retardant into the first mixture obtained by mixing, and mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride, synthesizes the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide addition compound, the speed of a mixing stirrer is 640rpm, and the stirring time is 23 min; grinding the obtained second mixture until the fineness reaches 54 μm; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Example 6
Taking 67 parts of emulsion base material, 11 parts of ethylene glycol, 5 parts of sodium polyacrylate, 10 parts of tributyl phosphate, 7 parts of hydroxyethyl cellulose, 1.1 parts of titanium dioxide, 0.8 part of talcum powder, 1.6 parts of perlite, 8 parts of foaming agent, 1.2 parts of lecithin, 0.2 part of terpineol and 11 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is a mixture of styrene-acrylic emulsion and neoprene latex, the mixing ratio is 1:1, the speed of the mixing stirrer is 740rpm, and the stirring time is 35 min; adding 11 parts of lauryl methacrylate, 13 parts of high impact polystyrene, 1.6 parts of antistatic agent and 7 parts of flame retardant into the first mixture obtained by mixing, and mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide adduct, the speed of the mixing stirrer is 650rpm, and the stirring time is 24 min; grinding the obtained second mixture until the fineness reaches 55 mu m; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Example 7
Taking 60 parts of emulsion base material, 8 parts of ethylene glycol, 3 parts of sodium polyacrylate, 7 parts of tributyl phosphate, 5 parts of hydroxyethyl cellulose, 0.8 part of titanium dioxide, 0.6 part of talcum powder, 1.1 parts of perlite, 5 parts of foaming agent, 0.8 part of lecithin, 0.2 part of terpineol and 9 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is a mixture of pure acrylic emulsion, styrene-acrylic emulsion and neoprene latex, the mixing ratio is 1:1:1, the speed of a mixing stirrer is 740rpm, and the stirring time is 35 min; adding 8 parts of lauryl methacrylate, 11 parts of high impact polystyrene, 1.3 parts of an antistatic agent and 6 parts of a flame retardant into a first mixture obtained by mixing, and mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride, synthesizes the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide adduct, the speed of a mixing stirrer is 650rpm, and the stirring time is 25 min; grinding the obtained second mixture until the fineness reaches 55 mu m; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Example 8
Taking 60 parts of emulsion base material, 9 parts of ethylene glycol, 4 parts of sodium polyacrylate, 8 parts of tributyl phosphate, 5 parts of hydroxyethyl cellulose, 0.9 part of titanium dioxide, 0.6 part of talcum powder, 1.2 parts of perlite, 6 parts of foaming agent, 0.9 part of lecithin, 0.3 part of terpineol and 9 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is a mixture of pure acrylic emulsion, styrene-acrylic emulsion and neoprene latex, the mixing ratio is 1:1:1, the speed of a mixing stirrer is 720rpm, and the stirring time is 30 min; adding 6 parts of lauryl methacrylate, 12 parts of high impact polystyrene, 1.5 parts of an antistatic agent and 6 parts of a flame retardant into the first mixture obtained by mixing, and mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride, synthesizes the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide adduct, the speed of the mixing stirrer is 650rpm, and the stirring time is 15 min; grinding the obtained second mixture until the fineness reaches 45 mu m; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Example 9
Taking 54 parts of emulsion base material, 6 parts of ethylene glycol, 2 parts of sodium polyacrylate, 9 parts of tributyl phosphate, 4 parts of hydroxyethyl cellulose, 1 part of titanium dioxide, 0.3 part of talcum powder, 1.5 parts of perlite, 5 parts of foaming agent, 0.9 part of lecithin, 0.3 part of terpineol and 11 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is a mixture of pure acrylic emulsion, styrene-acrylic emulsion and neoprene latex, the mixing ratio is 1:1:1, the speed of a mixing stirrer is 730rpm, and the stirring time is 30 min; adding 7 parts of lauryl methacrylate, 8 parts of high impact polystyrene, 1 part of antistatic agent and 3 parts of flame retardant into the first mixture obtained by mixing, mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide addition compound, the speed of the mixing stirrer is 620rpm, and the stirring time is 18 min; grinding the obtained second mixture until the fineness reaches 42 mu m; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Example 10
Taking 45 parts of emulsion base material, 4 parts of ethylene glycol, 1 part of sodium polyacrylate, 3 parts of tributyl phosphate, 2 parts of hydroxyethyl cellulose, 0.5 part of titanium dioxide, 0.3 part of talcum powder, 0.5 part of perlite, 3 parts of foaming agent, 0.3 part of lecithin, 0.1 part of terpineol and 6 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is a mixture of pure acrylic emulsion, styrene-acrylic emulsion and neoprene latex, the mixing ratio is 1:1:1, the speed of a mixing stirrer is 740rpm, and the stirring time is 25 min; adding 7 parts of lauryl methacrylate, 8 parts of high impact polystyrene, 1 part of antistatic agent and 3 parts of flame retardant into the first mixture obtained by mixing, mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, synthesizes a dendritic polymer containing phosphorus and nitrogen through the Michael addition reaction of ethylenediamine and methyl acrylate, organically modifies the dendritic polymer through methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally modifies the terminal amino group of the dendritic polymer obtained by synthesis, the antistatic agent is an ethylene oxide addition compound, the speed of the mixing stirrer is 650rpm, and the stirring time is 20 min; grinding the obtained second mixture until the fineness reaches 40 mu m; and filtering the obtained solution to obtain the architectural decorative coating with good flame retardance.
Comparative example 1
Taking 60 parts of emulsion base material, 8 parts of ethylene glycol, 3 parts of sodium polyacrylate, 7 parts of tributyl phosphate, 5 parts of hydroxyethyl cellulose, 0.8 part of titanium dioxide, 0.6 part of talcum powder, 1.1 parts of perlite, 5 parts of foaming agent, 0.8 part of lecithin, 0.2 part of terpineol and 9 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is a mixture of pure acrylic emulsion, styrene-acrylic emulsion and neoprene latex, the mixing ratio is 1:1:1, the speed of a mixing stirrer is 740rpm, and the stirring time is 35 min; adding 8 parts of lauryl methacrylate, 11 parts of high impact polystyrene and 6 parts of a flame retardant into the mixed first mixture, mixing and stirring again to obtain a second mixture for later use, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core, and is synthesized into a dendritic polymer containing phosphorus and nitrogen through Michael addition reaction of ethylenediamine and methyl acrylate, and is organically modified through methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally, the amino-terminated group of the dendritic polymer obtained through synthesis is modified, wherein the speed of a mixing stirrer is 650rpm, and the stirring time is 25 min; grinding the obtained second mixture until the fineness reaches 55 mu m; and filtering the obtained solution to obtain the architectural decorative coating.
Comparative example 2
Taking 60 parts of emulsion base material, 8 parts of ethylene glycol, 3 parts of sodium polyacrylate, 7 parts of tributyl phosphate, 5 parts of hydroxyethyl cellulose, 0.8 part of titanium dioxide, 0.6 part of talcum powder, 1.1 parts of perlite, 5 parts of foaming agent, 0.8 part of lecithin, 0.2 part of terpineol and 9 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is a mixture of pure acrylic emulsion, styrene-acrylic emulsion and neoprene latex, the mixing ratio is 1:1:1, the speed of a mixing stirrer is 740rpm, and the stirring time is 35 min; adding 8 parts of lauryl methacrylate, 11 parts of high impact polystyrene and 1.3 parts of antistatic agent into the first mixture obtained by mixing, and mixing and stirring again to obtain a second mixture for later use, wherein the antistatic agent is an ethylene oxide addition product, the speed of the mixing and stirring machine is 650rpm, and the stirring time is 25 min; grinding the obtained second mixture until the fineness reaches 55 mu m; and filtering the obtained solution to obtain the architectural decorative coating.
Comparative example 3
Taking 60 parts of emulsion base material, 8 parts of ethylene glycol, 3 parts of sodium polyacrylate, 7 parts of tributyl phosphate, 5 parts of hydroxyethyl cellulose, 0.8 part of titanium dioxide, 0.6 part of talcum powder, 1.1 parts of perlite, 5 parts of foaming agent, 0.8 part of lecithin, 0.2 part of terpineol and 9 parts of pigment, mixing and stirring to obtain a first mixture for later use, wherein the emulsion base material is a mixture of pure acrylic emulsion, styrene-acrylic emulsion and neoprene latex, the mixing ratio is 1:1:1, the speed of a mixing stirrer is 740rpm, and the stirring time is 35 min; adding 8 parts of lauryl methacrylate and 11 parts of high impact polystyrene into the mixed first mixture, and mixing and stirring again to obtain a second mixture for later use, wherein the speed of a mixing stirrer is 650rpm, and the stirring time is 25 min; grinding the obtained second mixture until the fineness reaches 55 mu m; and filtering the obtained solution to obtain the architectural decorative coating.
The flame retardant properties were determined as follows:
v-0: after two 10 second burn tests on the samples, the flame extinguished within 30 seconds and no combustibles could fall.
V-1: after two 10 second burn tests on the samples, the flame extinguished within 60 seconds. No combustible material can fall off.
V-2: after two 10 second burn tests on the samples, the flame extinguished within 60 seconds. There may be combustion products falling.
The flame retardant coatings prepared in examples 1-7 and comparative examples 1-3 were tested to have the properties shown in table 1 below:
TABLE 1
In summary, the architectural decoration coatings prepared by the embodiments 1-7 of the invention have the resistance of more than 1.25X 1013Omega, flame retardant property reaches V-0 grade, weight change rate of 300 ℃ oven placed for 4 hours is between 0.08 and 0.12 percent, and resistance of architectural decorative coating prepared by comparative examples 1 to 3 of the invention is less than 1.16 multiplied by 1012Omega, the flame retardant property is V-1 and V-2 grades, and the weight change rate of the oven placed at 300 ℃ for 4 hours is between 0.19 and 0.42 percent;
the building decorative coating flame retardant with good flame retardance is prepared by matching dendritic organic montmorillonite and red phosphorus, the red phosphorus is heated to contact with oxygen to generate metaphosphoric acid, so that a burnt object is quickly carbonized to generate carbon and water, the water absorbs heat to generate water vapor, the temperature of the burnt object is reduced, the oxygen in the air can be diluted, the combustion speed is reduced, the metaphosphoric acid can also act with carbon, a glassy coke layer is formed on the surface of the burnt object, oxygen and heat are isolated, the combustible object is prevented from further combustion, the building decorative coating flame retardant is safe and environment-friendly to use, and has potential economic benefits and social meanings, so that the flame retardance effect is good, the high-temperature performance is good, the coating drying and solidifying speed is high, the color matching is flexible, the rapid construction is convenient, the manufacturing method is simple, and the building decorative coating flame retardance is excellent; the smoke quantity is very small when the smoke-free flame-retardant plastic is burnt, and toxic gas and corrosive gas are not generated. .
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. The building decorative coating with good flame retardance is characterized by comprising the following raw materials in parts by weight: 45-70 parts of emulsion base material, 4-12 parts of ethylene glycol, 1-5 parts of sodium polyacrylate, 3-11 parts of tributyl phosphate, 2-7 parts of hydroxyethyl cellulose, 0.5-1.2 parts of titanium dioxide, 0.3-0.9 part of talcum powder, 0.5-1.8 parts of perlite, 3-8 parts of foaming agent, 0.3-1.4 parts of lecithin, 0.1-0.4 part of terpineol, 6-12 parts of pigment, 6-11 parts of lauryl methacrylate, 7-15 parts of high impact polystyrene, 0.8-1.8 parts of antistatic agent and 2-8 parts of flame retardant.
2. The architectural decorative coating with good flame retardance according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 60 parts of emulsion base material, 8 parts of ethylene glycol, 3 parts of sodium polyacrylate, 7 parts of tributyl phosphate, 5 parts of hydroxyethyl cellulose, 0.8 part of titanium dioxide, 0.6 part of talcum powder, 1.1 parts of perlite, 5 parts of foaming agent, 0.8 part of lecithin, 0.2 part of terpineol, 9 parts of pigment, 8 parts of lauryl methacrylate, 11 parts of high impact polystyrene, 1.3 parts of antistatic agent and 6 parts of flame retardant.
3. The architectural decorative coating with good flame retardance according to claim 1 or 2, wherein the emulsion base material is prepared by mixing one or more of a pure acrylic emulsion, a styrene-acrylic emulsion and a neoprene emulsion.
4. The architectural decorative coating with good flame retardance as claimed in claim 3, wherein the flame retardant is red phosphorus and dendritic organic montmorillonite, the organic montmorillonite takes hexachlorocyclotriphosphazene as a core to synthesize a dendritic polymer containing phosphorus and nitrogen through Michael addition reaction of ethylenediamine and methyl acrylate, and the dendritic polymer is organically modified by methacryloyloxyethyl trimethyl ammonium chloride to synthesize the organic montmorillonite, and finally the terminal amino group of the dendritic polymer obtained through synthesis is modified.
5. The architectural decorative coating with good flame retardance according to claim 4, wherein the antistatic agent is an ethylene oxide-based adduct.
6. A method for producing the architectural decorative coating with good flame retardancy according to any one of claims 1 to 5, comprising the steps of:
s1, mixing and stirring emulsion base materials, ethylene glycol, sodium polyacrylate, tributyl phosphate, hydroxyethyl cellulose, titanium dioxide, talcum powder, perlite, a foaming agent, lecithin, terpineol and pigment to obtain a first mixture;
s2, adding lauryl methacrylate, high impact polystyrene, an antistatic agent and a flame retardant into the first mixture obtained by mixing the materials in the S1, and mixing and stirring again to obtain a second mixture;
s3, grinding the second mixture obtained in the step S2 until the fineness reaches 45-55 μm;
s4, filtering the solution obtained in the step S3 to obtain the architectural decorative paint with good flame retardance.
7. The architectural decoration coating with good flame retardancy and the preparation method thereof as claimed in claim 6, wherein the mixing stirrer speed in step S1 is 650-750rpm, and the stirring time is 25-35 min.
8. The architectural decorative coating with good flame retardancy and the preparation method thereof as claimed in claim 7, wherein the mixing stirrer speed in step S2 is 550-700rpm, and the stirring time is 15-25 min.
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| CN112500637A (en) * | 2020-11-30 | 2021-03-16 | 靳德建 | Gas drainage pipe and preparation method thereof |
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