CN111978819B - Epoxy aluminum alloy fireproof decorative coating and preparation method thereof - Google Patents
Epoxy aluminum alloy fireproof decorative coating and preparation method thereof Download PDFInfo
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- CN111978819B CN111978819B CN202010834690.6A CN202010834690A CN111978819B CN 111978819 B CN111978819 B CN 111978819B CN 202010834690 A CN202010834690 A CN 202010834690A CN 111978819 B CN111978819 B CN 111978819B
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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
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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
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- 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
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- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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Abstract
The invention discloses an epoxy aluminum alloy fireproof decorative coating, and relates to the technical field of coatings. The feed is prepared from the following raw materials in parts by weight: 30-60 parts of epoxy resin, 10-25 parts of acrylic resin, 8-12 parts of piperazine pyrophosphate melamine compound, 5-10 parts of modified nano adhesive, 10-15 parts of talcum powder, 20-40 parts of bentonite, 17-23 parts of asbestos powder, 26-33 parts of pigment and filler, 1-5 parts of defoaming agent and 18-22 parts of auxiliary agent, wherein the auxiliary agent is one or two of ceramic zinc borate or aluminum hydroxide. According to the invention, ceramic zinc borate and/or aluminum hydroxide are added into the coating formula, so that the coating has excellent flame retardant property and higher strength, and a heat source is isolated when a fire disaster occurs, so that the aim of fire prevention is fulfilled; meanwhile, the fireproof coating prepared by the invention is safe and environment-friendly, high in strength, good in adhesive force, simple in preparation method and suitable for industrial use.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an epoxy aluminum alloy fireproof decorative coating.
Background
The epoxy aluminum alloy is generally obtained by treating the surface of the aluminum alloy by TRI, a layer of metal oxide film is generated on the surface of the aluminum alloy after the aluminum alloy is electrified and soaked by liquid medicine, the sealing performance of a joint surface is good, and the waterproof performance is excellent.
At present, the fireproof coating is more and more widely applied in the industries of petrochemical industry, electric power, industry, civil buildings, machinery and the like. The fire-proof paint is a special paint which is used on the surface of flammable base material, can reduce the flammability of the surface of the material to be painted, can retard the rapid spread of fire and is used for improving the fire endurance of the material to be painted.
Therefore, the fireproof material is coated on the surface of the epoxy aluminum alloy, so that the excellent performance of the epoxy aluminum alloy can be further improved, and the application range of the epoxy aluminum alloy is enlarged.
Disclosure of Invention
The invention provides an epoxy aluminum alloy fireproof decorative coating and a preparation method thereof, aiming at solving the problems in the background technology.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
an epoxy aluminum alloy fireproof decorative coating is prepared from the following raw materials in parts by weight: 30-60 parts of epoxy resin, 10-25 parts of acrylic resin, 8-12 parts of piperazine pyrophosphate melamine compound, 5-10 parts of modified nano adhesive, 10-15 parts of talcum powder, 20-40 parts of bentonite, 17-23 parts of asbestos powder, 26-33 parts of pigment and filler, 1-5 parts of defoaming agent and 18-22 parts of auxiliary agent, wherein the auxiliary agent is one or two of ceramic zinc borate or aluminum hydroxide
Preferably, the epoxy aluminum alloy fireproof decorative coating is prepared from the following raw materials in parts by weight: 30 parts of epoxy resin, 10 parts of acrylic resin, 8 parts of piperazine pyrophosphate melamine compound, 5 parts of modified nano adhesive, 10 parts of talcum powder, 20 parts of bentonite, 17 parts of asbestos powder, 26 parts of pigment and filler, 1 part of defoaming agent and 18 parts of auxiliary agent, wherein the auxiliary agent is one or two of ceramic zinc borate or aluminum hydroxide.
As one embodiment of the invention, the epoxy aluminum alloy fireproof decorative coating is prepared from the following raw materials in parts by weight: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is one or two of ceramic zinc borate or aluminum hydroxide.
As another embodiment of the invention, the epoxy aluminum alloy fireproof decorative coating is prepared from the following raw materials in parts by weight: 60 parts of epoxy resin, 25 parts of acrylic resin, 12 parts of piperazine pyrophosphate melamine compound, 10 parts of modified nano adhesive, 25 parts of talcum powder, 40 parts of bentonite, 23 parts of asbestos powder, 33 parts of pigment and filler, 5 parts of defoaming agent and 22 parts of auxiliary agent, wherein the auxiliary agent is one or two of ceramic zinc borate or aluminum hydroxide.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) mixing 60-65 parts of EVA, 20415-18 parts of tert-butyl phenolic resin, 3-5 parts of modified nano expanded vermiculite powder, KH 55001-5 parts of silane coupling agent and 1-2 parts of styrene at 80 ℃ for 1h, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.5-0.8 part of water-based amine curing agent, 1-2 parts of ethyl orthosilicate, 0.1-0.2 part of chlorinated paraffin, 0.2-0.4 part of ferrocene and 3-5 parts of modified basalt fiber powder, mixing and preparing the component B.
In the invention, the auxiliary agents are ceramic zinc borate and aluminum hydroxide, and the mass percentage of the ceramic zinc borate to the aluminum hydroxide is 2-8: 8-2.
Preferably, the mass percentage of the ceramic zinc borate to the aluminum hydroxide is 3: 7.
Further, the particle size of the ceramic zinc borate is 0.5-5 μm.
Further, the particle size of the aluminum hydroxide is 1-3 μm.
The invention also provides a preparation method of the epoxy aluminum alloy fireproof decorative coating, which mainly comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating.
Compared with the prior art, the invention has the following beneficial effects:
(1) the fireproof coating prepared by the invention is safe and environment-friendly, high in strength, good in adhesive force, simple in preparation method and suitable for industrial use;
(2) according to the invention, ceramic zinc borate and/or aluminum hydroxide are added into the coating formula, so that the coating has more excellent flame retardant property and higher strength, and a heat source is isolated when a fire disaster occurs, thereby achieving the purpose of fire prevention;
(3) the paint prepared by the invention has excellent fireproof performance and strong adhesive force to epoxy aluminum alloy, can well protect epoxy aluminum alloy and prolong the service life of the epoxy aluminum alloy.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
First, the fireproof performance of the ceramic zinc borate and the aluminum hydroxide is inspected
Example 1
The epoxy aluminum alloy fireproof paint comprises the following components: 30 parts of epoxy resin, 10 parts of acrylic resin, 8 parts of piperazine pyrophosphate melamine compound, 5 parts of modified nano adhesive, 10 parts of talcum powder, 20 parts of bentonite, 17 parts of asbestos powder, 26 parts of pigment and filler, 1 part of defoaming agent and 18 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate, and the particle size of the ceramic zinc borate is 0.5 mu m.
The modified nano adhesive consists of a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) 60 parts of EVA (ethylene-vinyl acetate), 20415 parts of tert-butyl phenolic resin, 3 parts of modified nano expanded vermiculite powder, KH 55001 parts of silane coupling agent and 1 part of styrene are mixed and milled into powder at 80 ℃ for 1 hour;
(2) adding 20 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to prepare a component A;
the component B is prepared by the following method in parts by weight: and mixing 0.5 part of water-based amine curing agent, 1 part of ethyl orthosilicate, 0.1 part of chlorinated paraffin, 0.2 part of ferrocene and 3 parts of modified basalt fiber powder to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 1.
Example 2
The epoxy aluminum alloy fireproof paint comprises the following components: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate, and the particle size of the ceramic zinc borate is 3 microns.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) taking 62 parts of EVA, 20416 parts of tert-butyl phenolic resin, 4 parts of modified nano expanded vermiculite powder, KH 55003 parts of silane coupling agent and 1.5 parts of styrene, mixing for 1 hour at 80 ℃, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.6 part of water-based amine curing agent, 1.5 parts of ethyl orthosilicate, 0.15 part of chlorinated paraffin, 0.3 part of ferrocene and 4 parts of modified basalt fiber powder, and mixing to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 2.
Example 3
The epoxy aluminum alloy fireproof paint comprises the following components: 60 parts of epoxy resin, 25 parts of acrylic resin, 12 parts of piperazine pyrophosphate melamine compound, 10 parts of modified nano adhesive, 25 parts of talcum powder, 40 parts of bentonite, 23 parts of asbestos powder, 33 parts of pigment and filler, 5 parts of defoaming agent and 22 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate, and the particle size of the ceramic zinc borate is 5 microns.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) mixing 65 parts of EVA (ethylene-vinyl acetate), 20418 parts of tert-butyl phenolic resin, 5 parts of modified nano expanded vermiculite powder, KH 55005 parts of silane coupling agent and 2 parts of styrene at 80 ℃ for 1 hour, and grinding into powder;
(2) adding 25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: and mixing 0.8 part of water-based amine curing agent, 2 parts of ethyl orthosilicate, 0.2 part of chlorinated paraffin, 0.4 part of ferrocene and 5 parts of modified basalt fiber powder to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 3.
Example 4
The epoxy aluminum alloy fireproof paint comprises the following components: 30 parts of epoxy resin, 10 parts of acrylic resin, 8 parts of piperazine pyrophosphate melamine compound, 5 parts of modified nano adhesive, 10 parts of talcum powder, 20 parts of bentonite, 17 parts of asbestos powder, 26 parts of pigment and filler, 1 part of defoaming agent and 18 parts of auxiliary agent, wherein the auxiliary agent is aluminum hydroxide, and the particle size of the aluminum hydroxide is 1 mu m.
The modified nano adhesive consists of a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) 60 parts of EVA (ethylene-vinyl acetate), 20415 parts of tert-butyl phenolic resin, 3 parts of modified nano expanded vermiculite powder, KH 55001 parts of silane coupling agent and 1 part of styrene are mixed and milled into powder at 80 ℃ for 1 hour;
(2) adding 20 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to prepare a component A;
the component B is prepared by the following method in parts by weight: and mixing 0.5 part of water-based amine curing agent, 1 part of ethyl orthosilicate, 0.1 part of chlorinated paraffin, 0.2 part of ferrocene and 3 parts of modified basalt fiber powder to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 4.
Example 5
The epoxy aluminum alloy fireproof paint comprises the following components: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is aluminum hydroxide, and the particle size of the aluminum hydroxide is 2 microns.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) taking 62 parts of EVA, 20416 parts of tert-butyl phenolic resin, 4 parts of modified nano expanded vermiculite powder, KH 55003 parts of silane coupling agent and 1.5 parts of styrene, mixing for 1 hour at 80 ℃, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.6 part of water-based amine curing agent, 1.5 parts of ethyl orthosilicate, 0.15 part of chlorinated paraffin, 0.3 part of ferrocene and 4 parts of modified basalt fiber powder, and mixing to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 5.
Example 6
The epoxy aluminum alloy fireproof paint comprises the following components: 60 parts of epoxy resin, 25 parts of acrylic resin, 12 parts of piperazine pyrophosphate melamine compound, 10 parts of modified nano adhesive, 25 parts of talcum powder, 40 parts of bentonite, 23 parts of asbestos powder, 33 parts of pigment and filler, 5 parts of defoaming agent and 22 parts of assistant, wherein the assistant is aluminum hydroxide, and the particle size of the aluminum hydroxide is 3 microns.
The modified nano adhesive consists of a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) 60 parts of EVA (ethylene-vinyl acetate), 20415 parts of tert-butyl phenolic resin, 3 parts of modified nano expanded vermiculite powder, KH 55001 parts of silane coupling agent and 1 part of styrene are mixed and milled into powder at 80 ℃ for 1 hour;
(2) adding 20 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to prepare a component A;
the component B is prepared by the following method in parts by weight: and mixing 0.5 part of water-based amine curing agent, 1 part of ethyl orthosilicate, 0.1 part of chlorinated paraffin, 0.2 part of ferrocene and 3 parts of modified basalt fiber powder to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 6.
In order to test the performance of the fire-retardant coatings prepared in examples 1 to 6, the applicant measured the various indexes and the results are shown in table 1, and measured the back temperature of the epoxy aluminum alloy at a high temperature of 950 ℃ and the results are shown in table 2.
Table 1: the performance of the fireproof coating prepared by the invention is tested.
Table 2: the back temperature of the epoxy aluminum alloy coated with the fireproof coating prepared by the invention at 950 ℃ at different time is tested.
From the results, the fireproof coating prepared by the invention meets the requirements, but has better fireproof effect when the auxiliary agent is singly ceramic zinc borate compared with the auxiliary agent which is singly aluminum hydroxide.
And secondly, investigating the fire resistance of the fire-retardant coating when the ceramic zinc borate and the aluminum hydroxide are combined as an auxiliary agent.
Example 7
The epoxy aluminum alloy fireproof paint comprises the following components: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate and aluminum hydroxide, the particle size of the ceramic zinc borate is 3 micrometers, the particle size of the aluminum hydroxide is 2 micrometers, and the mass ratio of the ceramic zinc borate to the aluminum hydroxide is 2: 8.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) taking 62 parts of EVA, 20416 parts of tert-butyl phenolic resin, 4 parts of modified nano expanded vermiculite powder, KH 55003 parts of silane coupling agent and 1.5 parts of styrene, mixing for 1 hour at 80 ℃, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.6 part of water-based amine curing agent, 1.5 parts of ethyl orthosilicate, 0.15 part of chlorinated paraffin, 0.3 part of ferrocene and 4 parts of modified basalt fiber powder, and mixing to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 7.
Example 8
The epoxy aluminum alloy fireproof paint comprises the following components: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate and aluminum hydroxide, the particle size of the ceramic zinc borate is 3 micrometers, the particle size of the aluminum hydroxide is 2 micrometers, and the mass ratio of the ceramic zinc borate to the aluminum hydroxide is 3: 7.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) taking 62 parts of EVA, 20416 parts of tert-butyl phenolic resin, 4 parts of modified nano expanded vermiculite powder, KH 55003 parts of silane coupling agent and 1.5 parts of styrene, mixing for 1 hour at 80 ℃, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.6 part of water-based amine curing agent, 1.5 parts of ethyl orthosilicate, 0.15 part of chlorinated paraffin, 0.3 part of ferrocene and 4 parts of modified basalt fiber powder, and mixing to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) and (2) continuously adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 8.
Example 9
The epoxy aluminum alloy fireproof paint comprises the following components: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate and aluminum hydroxide, the particle size of the ceramic zinc borate is 3 micrometers, the particle size of the aluminum hydroxide is 2 micrometers, and the mass ratio of the ceramic zinc borate to the aluminum hydroxide is 4: 6.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) taking 62 parts of EVA, 20416 parts of tert-butyl phenolic resin, 4 parts of modified nano expanded vermiculite powder, KH 55003 parts of silane coupling agent and 1.5 parts of styrene, mixing for 1 hour at 80 ℃, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.6 part of water-based amine curing agent, 1.5 parts of ethyl orthosilicate, 0.15 part of chlorinated paraffin, 0.3 part of ferrocene and 4 parts of modified basalt fiber powder, and mixing to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 9.
Example 10
The epoxy aluminum alloy fireproof paint comprises the following components: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate and aluminum hydroxide, the particle size of the ceramic zinc borate is 3 micrometers, the particle size of the aluminum hydroxide is 2 micrometers, and the mass ratio of the ceramic zinc borate to the aluminum hydroxide is 5: 5.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) taking 62 parts of EVA, 20416 parts of tert-butyl phenolic resin, 4 parts of modified nano expanded vermiculite powder, KH 55003 parts of silane coupling agent and 1.5 parts of styrene, mixing for 1 hour at 80 ℃, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.6 part of water-based amine curing agent, 1.5 parts of ethyl orthosilicate, 0.15 part of chlorinated paraffin, 0.3 part of ferrocene and 4 parts of modified basalt fiber powder, and mixing to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 10.
Example 11
The epoxy aluminum alloy fireproof paint comprises the following components: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate and aluminum hydroxide, the particle size of the ceramic zinc borate is 3 micrometers, the particle size of the aluminum hydroxide is 2 micrometers, and the mass ratio of the ceramic zinc borate to the aluminum hydroxide is 6: 4.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) taking 62 parts of EVA, 20416 parts of tert-butyl phenolic resin, 4 parts of modified nano expanded vermiculite powder, KH 55003 parts of silane coupling agent and 1.5 parts of styrene, mixing for 1 hour at 80 ℃, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.6 part of water-based amine curing agent, 1.5 parts of ethyl orthosilicate, 0.15 part of chlorinated paraffin, 0.3 part of ferrocene and 4 parts of modified basalt fiber powder, and mixing to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 11.
Example 12
The epoxy aluminum alloy fireproof paint comprises the following components: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate and aluminum hydroxide, the particle size of the ceramic zinc borate is 3 mu m, the particle size of the aluminum hydroxide is 2 mu m, and the mass ratio of the ceramic zinc borate to the aluminum hydroxide is 7: 3.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) taking 62 parts of EVA, 20416 parts of tert-butyl phenolic resin, 4 parts of modified nano expanded vermiculite powder, KH 55003 parts of silane coupling agent and 1.5 parts of styrene, mixing for 1 hour at 80 ℃, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.6 part of water-based amine curing agent, 1.5 parts of ethyl orthosilicate, 0.15 part of chlorinated paraffin, 0.3 part of ferrocene and 4 parts of modified basalt fiber powder, and mixing to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 12.
Example 13
The epoxy aluminum alloy fireproof paint comprises the following components: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is ceramic zinc borate and aluminum hydroxide, the particle size of the ceramic zinc borate is 3 micrometers, the particle size of the aluminum hydroxide is 2 micrometers, and the mass ratio of the ceramic zinc borate to the aluminum hydroxide is 8: 2.
The modified nano adhesive comprises a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) taking 62 parts of EVA, 20416 parts of tert-butyl phenolic resin, 4 parts of modified nano expanded vermiculite powder, KH 55003 parts of silane coupling agent and 1.5 parts of styrene, mixing for 1 hour at 80 ℃, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the mixture obtained in the step (1), and uniformly mixing to obtain a component A;
the component B is prepared by the following method in parts by weight: taking 0.6 part of water-based amine curing agent, 1.5 parts of ethyl orthosilicate, 0.15 part of chlorinated paraffin, 0.3 part of ferrocene and 4 parts of modified basalt fiber powder, and mixing to prepare the component B.
The preparation method comprises the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof coating 13.
The fire-retardant coating prepared by using the ceramic zinc borate and the aluminum hydroxide in each proportion as the additives in the above examples 7 to 13 was coated on the surface of the epoxy aluminum alloy, each performance index thereof is shown in table 3, and the back temperature of the epoxy aluminum alloy at a high temperature of 950 ℃ was measured, and the measurement results are shown in table 4.
Table 3: the performance of the fireproof coating prepared by the invention is tested.
Table 4: the back temperature of the epoxy aluminum alloy coated with the fireproof coating prepared by the invention at 950 ℃ at different time is tested.
From the above examples 7-13, it can be seen that the combined use of the zinc ceram borate and the aluminum hydroxide as the auxiliary agent has a better effect than the use of the zinc ceram borate alone, and when the mass ratio of the zinc ceram borate to the aluminum hydroxide is 3:7, the fire resistance and other performance indexes are in the best states.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The epoxy aluminum alloy fireproof decorative coating is characterized by being prepared from the following raw materials in parts by weight: 30-60 parts of epoxy resin, 10-25 parts of acrylic resin, 8-12 parts of piperazine pyrophosphate melamine compound, 5-10 parts of modified nano adhesive, 10-15 parts of talcum powder, 20-40 parts of bentonite, 17-23 parts of asbestos powder, 26-33 parts of pigment and filler, 1-5 parts of defoaming agent and 18-22 parts of auxiliary agent, wherein the auxiliary agent is one or two of ceramic zinc borate or aluminum hydroxide;
the modified nano adhesive consists of a component A and a component B, and the component A is prepared by the following method in parts by weight:
(1) mixing 60-65 parts of EVA, 20415-18 parts of tert-butyl phenolic resin, 3-5 parts of modified nano expanded vermiculite powder, KH 55001-5 parts of silane coupling agent and 1-2 parts of styrene at 80 ℃ for 1h, and grinding into powder;
(2) adding 20-25 parts of waterborne epoxy resin into the step (1), and uniformly mixing to prepare a component A;
the component B is prepared by the following method in parts by weight: taking 0.5-0.8 part of water-based amine curing agent, 1-2 parts of ethyl orthosilicate, 0.1-0.2 part of chlorinated paraffin, 0.2-0.4 part of ferrocene and 3-5 parts of modified basalt fiber powder, mixing and preparing the component B.
2. The epoxy aluminum alloy fireproof decorative coating of claim 1, which is prepared from the following raw materials in parts by weight: 30 parts of epoxy resin, 10 parts of acrylic resin, 8 parts of piperazine pyrophosphate melamine compound, 5 parts of modified nano adhesive, 10 parts of talcum powder, 20 parts of bentonite, 17 parts of asbestos powder, 26 parts of pigment and filler, 1 part of defoaming agent and 18 parts of auxiliary agent, wherein the auxiliary agent is one or two of ceramic zinc borate or aluminum hydroxide.
3. The epoxy aluminum alloy fireproof decorative coating of claim 1, which is prepared from the following raw materials in parts by weight: 45 parts of epoxy resin, 17 parts of acrylic resin, 10 parts of piperazine pyrophosphate melamine compound, 8 parts of modified nano adhesive, 13 parts of talcum powder, 30 parts of bentonite, 20 parts of asbestos powder, 30 parts of pigment and filler, 3 parts of defoaming agent and 20 parts of auxiliary agent, wherein the auxiliary agent is one or two of ceramic zinc borate or aluminum hydroxide.
4. The epoxy aluminum alloy fireproof decorative coating of claim 1, which is prepared from the following raw materials in parts by weight: 60 parts of epoxy resin, 25 parts of acrylic resin, 12 parts of piperazine pyrophosphate melamine compound, 10 parts of modified nano adhesive, 25 parts of talcum powder, 40 parts of bentonite, 23 parts of asbestos powder, 33 parts of pigment and filler, 5 parts of defoaming agent and 22 parts of auxiliary agent, wherein the auxiliary agent is one or two of ceramic zinc borate or aluminum hydroxide.
5. The epoxy aluminum alloy fireproof decorative coating of claim 1, wherein: the auxiliary agent comprises ceramic zinc borate and aluminum hydroxide, and the mass percentage of the ceramic zinc borate to the aluminum hydroxide is 2-8: 8-2.
6. The epoxy aluminum alloy fireproof decorative coating of claim 5, wherein: the mass percentage of the ceramic zinc borate to the aluminum hydroxide is 3: 7.
7. The epoxy aluminum alloy fireproof decorative coating of claim 6, wherein: the grain size of the ceramic zinc borate is 0.5-5 μm.
8. The epoxy aluminum alloy fireproof decorative coating of claim 6, wherein: the particle size of the aluminum hydroxide is 1-3 mu m.
9. A method for preparing the epoxy aluminum alloy fireproof decorative coating of claim 7 or 8, which is characterized by mainly comprising the following steps:
(1) adding epoxy resin, acrylic resin, piperazine pyrophosphate melamine compound, component A, talcum powder, bentonite, asbestos powder, defoamer and pigment filler into a reaction kettle according to the formula ratio, wherein the reaction temperature is 110-125 ℃, the reaction time is 70-120min, and the stirring speed is 300-500r/min for 20-40 min;
(2) adding the component B and the auxiliary agent in the formula amount into the step (1), and stirring at the stirring speed of 800-1000r/min for 8-12min to obtain the fireproof decorative coating.
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