CN105713472B - Aqueous damping coating and preparation method thereof with microcosmic constrained damping structure - Google Patents

Aqueous damping coating and preparation method thereof with microcosmic constrained damping structure Download PDF

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Publication number
CN105713472B
CN105713472B CN201610286808.XA CN201610286808A CN105713472B CN 105713472 B CN105713472 B CN 105713472B CN 201610286808 A CN201610286808 A CN 201610286808A CN 105713472 B CN105713472 B CN 105713472B
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parts
damping
aqueous
agent
coating
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CN201610286808.XA
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Chinese (zh)
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CN105713472A (en
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郭焱
王伟
李永岗
王宝柱
苏坤
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青岛爱尔家佳新材料股份有限公司
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D133/00Coating 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
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    • C09D131/00Coating 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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
    • C09D131/02Homopolymers or copolymers of esters of monocarboxylic acids
    • C09D131/04Homopolymers or copolymers of vinyl acetate
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    • C09DCOATING 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
    • C09D133/00Coating 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
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    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
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    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • C09D175/14Polyurethanes having carbon-to-carbon unsaturated bonds
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    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
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    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
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    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
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    • C09D7/63Additives non-macromolecular organic
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
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    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention belongs to technical field of coatings, and in particular to a kind of aqueous damping coating and preparation method thereof with microcosmic constrained damping structure.The damping paint includes each component for having following parts by weight:30 60 parts of resin aqueous emulsions with different glass transition temperature;15 40 parts of damping color stuffings;20 40 parts of auxiliary packings;5 20 parts of fire retardants;5 10 parts of antifreezing agents;0.5 1.0 parts of substrate wetting agents;1.0 5.0 parts of wetting dispersing agents;0.5 2.0 parts of antifoaming agent;1.0 5.0 parts align agent;0.5 3.0 parts of coupling agents;0.5 3.0 parts of Antisepticize and mildew preventives;5 10 parts of coalescents;0.5 1.5 parts of thickeners;5 10 parts of water.The damping paint damping temperature domain is wide in range, has very excellent damping capacity and Waterproof corrosion performance, good flame retardant property, and have good adhesive force under dry and wet state.

Description

Aqueous damping coating and preparation method thereof with microcosmic constrained damping structure
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of aqueous damping coating with microcosmic constrained damping structure And preparation method thereof.
Background technology
Damping paint is to be converted to the vibration mechanical energy of sound wave using viscoelastic property possessed by high-molecular organic material Thermal energy consumption dissipates (i.e. mechanical loss), to achieve the purpose that reduce amplitude, reduce vibration, inhibition noise.With people's environmental protection The enhancing of consciousness is increasingly subject to the favor of people using water as the aqueous damping coating of main dispersing medium, traditional to substitute Solvent type damping paint.Aqueous damping coating, using organic resin and organic filler as film forming matter, is free of using water as decentralized medium The green environmental friendly coatings of any toxic organic solvents.
The damping capacity of aqueous damping coating depends primarily in coating between polymer segment, between macromolecule and filler And the interaction between filler, the power acted between them directly affect the damping capacity of material.It is high poly- in order to widen The damping temperature of object improves the damping capacity and elasticity modulus of material, and scholars both domestic and external have carried out a large amount of research, right The resin of coating system is modified, and being summed up can be divided into three classes:Copolymerization, blending and interpenetrating networks (IPN).Only from improvement Aqueous damping coating is studied in terms of Polymer Materials ' Structure damping capacity, has been difficult that aqueous damping is significantly increased The damping capacity of coating.
Invention content
In order to solve the above technical problems, the present invention provide a kind of aqueous damping coating with microcosmic constrained damping structure and Using the resin aqueous emulsion with different glass transition temperature as film forming matter, and suitable aqueous painting is added in preparation method High performance adjuvant is expected, as aligned auxiliary agent makes between sheet color stuffing and macromolecule resin formation align by addition Microcosmic constrained damping structure, and addition coupling agent enhance the active force between sheet color stuffing and macromolecule resin to improve water Property damping paint damping capacity, which has good damping in very wide temperature range (- 40 DEG C~60 DEG C) range Performance, the railway systems particularly suitable for China.
Technical scheme is as follows:
A kind of aqueous damping coating with microcosmic constrained damping structure, includes each component with following parts by weight:30- 60 parts of resin aqueous emulsions with different glass transition temperature;15-40 parts of damping color stuffings;20-40 parts of auxiliary packings;5- 20 parts of fire retardants;5-10 parts of antifreezing agents;0.5-1.0 parts of substrate wetting agents;1.0-5.0 parts of wetting dispersing agents;0.5-2.0 parts of defoamings Agent;1.0-5.0 part aligns agent;0.5-3.0 parts of coupling agents;0.5-3.0 parts of Antisepticize and mildew preventives;5-10 parts of coalescents; 0.5-1.5 parts of thickeners;5-10 parts of water.
The resin aqueous emulsion with different glass transition temperature (Tg values) is pure-acrylic emulsion, acrylate and vinyl acetate emulsion, vinegar Tertiary lotion, VAE lotions, styrene-acrylic emulsion, silicone acrylic emulsion, polyaminoester emulsion, polyurethane-modified acrylic acid lotion, epoxy-modified propylene Two or more compound in yogurt liquid, styrene-butadiene latex, and solid content is 40% or more, glass transition temperature Tg is at -40 DEG C Between~60 DEG C.
The damping color stuffing be sheet color stuffing, preferably one kind in mica powder, micaceous iron oxide and glass flake or It is a variety of.
The auxiliary packing is selected from aluminium hydroxide, hollow glass micropearl, wollastonite in powder, coarse whiting, blanc fixe, hydroxide It is one or more in magnesium, lithopone and talcum powder.
The damping color stuffing granularity in 40 mesh between 325 mesh, thickness≤5 μm;The particle size range of the auxiliary packing For -3000 mesh of 200 mesh.
The fire retardant is halogen-free environment-friendlyflame flame retardant, preferably ammonium polyphosphate, poly cyanamid Quadrafos and diphenyl phosphoester In it is one or more;The antifreezing agent is one or more of propylene glycol, isopropanol, propylene glycol monomethyl ether and propandiol butyl ether Compound.
The coalescents are one kind in alcohol ester 12, dipropylene glycol methyl ether and dipropylene.
The coupling agent is one kind in silane coupling agent, titanate coupling agent and aluminate coupling agent, such as DOW CORNING Z- 6011, Z-6030, Z-6020, Z-6040, CG-101, CG-201, CG-203 etc. of Jiangsu Chenguang Coincident Dose Co., Ltd.'s production Deng.
The agent main component that aligns is aldol(s), the high molecular polymer of siliceous alcohol functional group, to close Key auxiliary agent plays the role of that sheet color stuffing is made to be radially directed arrangement.
The substrate wetting agents are selected from high wet260, wet270, wet280, the KL245 of such as enlightening.
A kind of preparation method of the aqueous damping coating with microcosmic constrained damping structure, includes the following steps:
(1) preparation of aqueous mixture:
At normal temperatures, according to Fox formula that the water-base resin with different glass transition temperature is newborn according to design requirement Liquid, 1/2 water, 1/2 antifoaming agent, antifreezing agent, substrate wetting agents, wetting dispersing agent, Antisepticize and mildew preventive, fire retardant, orientation row Row agent, coupling agent are uniformly mixed according to weight proportion, obtain aqueous mixture;
(2) filler addition and paint:
According to weight ratio will damp color stuffing, auxiliary packing is added to after being uniformly dispersed in (1), remaining 1/2 is added Water, 1/2 antifoaming agent, coalescents are eventually adding thickener and adjust viscosity, filter and package.
The present invention is from improving damping color stuffing ordered state in the coating and improve between macromolecule resin and filler Interaction be breach, improve the damping capacity of aqueous damping coating.Color stuffing ordered state can be controlled by introducing Align agent, so that coating is showed the microcosmic constrained damping structure that can be controlled, i.e., by making sheet color stuffing and high score The microcosmic constrained damping structure for being radially directed arrangement is formed between subtree fat, to improve the damping capacity of aqueous damping coating, As shown in Figure 1;Meanwhile the present invention by be added coupling agent to enhance the active force between sheet color stuffing and macromolecule resin, The frictional force between macromolecule resin and sheet color stuffing is improved, to further improve the damping damage of aqueous damping coating Consumption energy.It is that sheet color stuffing is radially directed arrangement as a result, not only increase the damping capacity of aqueous damping coating, also improve The ability and anti-aging property of the anti-medium infiltration of aqueous damping coating.
Aqueous damping coating prepared by the present invention has following characteristics:1) damping capacity is very excellent, compound under different frequency Loss factor η is more than 0.25;2) damping temperature domain is wide in range, and recombination loss factor η is more than 0.2 within the scope of -40 DEG C~60 DEG C, coupling The addition of agent improves the interaction between resin and color stuffing, improves the compatibility of system, can be by glass transition The different lotions that temperature Tg differs greatly are blended to use well;3) Waterproof corrosion is had excellent performance, sheet color stuffing it is parallel fixed The path on external corrosion medium osmosis to base material is substantially increased to arrangement, to improve the Waterproof corrosion performance of coating; 4) good flame retardant property, oxygen index (OI) are more than 30;5) there is good adhesive force under dry and wet state.
Description of the drawings
Fig. 1 is microcosmic constrained damping structure schematic diagram.
Specific implementation mode
The present invention is made further to disclose below in conjunction with specific embodiment.
Embodiment 1
A kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, key component is according to following weight Measure proportions:20 parts of pure-acrylic emulsion, 10 parts of silicone acrylic emulsion;40 15 parts of mesh mica powders;3000 10 parts of mesh hollow glass micropearls, 325 15 parts of mesh aluminium hydroxides;5 parts of fire retardant;10 parts of antifreezing agent;0.5 part of substrate wetting agents;1.0 parts of wetting dispersing agent;Antifoaming agent 0.5 part;Align 1.5 parts of agent;1.0 parts of coupling agent;0.5 part of Antisepticize and mildew preventive;5 parts of coalescents;0.5 part of thickener, water 5.0 part.
The method for preparing a kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, including following step Suddenly:
(1) preparation of aqueous mixture:
At normal temperatures, by pure-acrylic emulsion, silicone acrylic emulsion, 2.5 parts of water, 0.25 part of antifoaming agent, whole antifreezing agents, base material Wetting agent, Antisepticize and mildew preventive, fire retardant, aligns agent, coupling agent at wetting dispersing agent, is uniformly mixed, obtains according to weight proportion Obtain aqueous mixture;
(2) filler addition and paint:
Mica powder, hollow glass micropearl, aluminium hydroxide is added to according to weight ratio after being uniformly dispersed in (1), added 2.5 parts of water, 0.25 part of antifoaming agent, coalescents are eventually adding thickener and adjust viscosity, filter and package.
The main performance of aqueous damping coating manufactured in the present embodiment with microcosmic constrained damping structure is as shown in table 1:
Table 1 has the main performance of the aqueous damping coating of microcosmic constrained damping structure
Embodiment 2
A kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, key component is according to following weight Measure proportions:15 parts of acrylate and vinyl acetate emulsion, 15 parts of styrene-acrylic emulsion, 30 parts of polyaminoester emulsion;40 10 parts of mesh mica powders, 325 mesh glass 15 parts of scale;200 20 parts of mesh coarse whitings, 800 5 parts of mesh wollastonites in powder, 10 parts of 325 mesh talcum powder, 5 parts of 3000 mesh blanc fixe; 10 parts of fire retardant;10 parts of antifreezing agent;0.9 part of substrate wetting agents;2.0 parts of wetting dispersing agent;1.0 parts of antifoaming agent;Align agent 1.5 part;1.0 parts of coupling agent;3.0 parts of Antisepticize and mildew preventive;6 parts of coalescents;0.8 part of thickener, 8.0 parts of water.
The method for preparing a kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, including following step Suddenly:
(1) preparation of aqueous mixture:
At normal temperatures, by acrylate and vinyl acetate emulsion, styrene-acrylic emulsion, polyaminoester emulsion, 4.0 parts of water, 0.5 part of antifoaming agent, whole Antifreezing agent, wetting dispersing agent, Antisepticize and mildew preventive, fire retardant, aligns agent, coupling agent at substrate wetting agents, according to weight proportion It is uniformly mixed, obtains aqueous mixture;
(2) filler addition and paint:
Mica powder, glass flake, coarse whiting, wollastonite in powder, talcum powder, blanc fixe are added to (1) according to weight ratio In be uniformly dispersed after, add 4.0 parts of water, 0.5 part of antifoaming agent, coalescents, finally plus thickener adjusts viscosity, bag filter Dress.
The main performance of aqueous damping coating manufactured in the present embodiment with microcosmic constrained damping structure is as shown in table 2:
Table 2 has the main performance of the aqueous damping coating of microcosmic constrained damping structure
Project Index
Recombination loss factor η (- 40 DEG C~60 DEG C) ≥0.26
Adhesive force 1 grade
Resistance to salt water (3%NaCl solution), 60d Without blistering, no peeling
Resistance to distilled water, 60d Waterproof no blistering, no peeling
Salt fog resistance (1000h) Non-corroding, nothing fall off, without cracking
Oxygen index (OI) 33
Embodiment 3
A kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, key component is according to following weight Measure proportions:30 parts of epoxy-modified acrylic acid lotion, 10 parts of vac-veova emulsion;120 5 parts of mesh mica powders, 180 mesh micaceous iron oxides 15 parts;325 20 parts of mesh magnesium hydroxides, 1,250 5 parts of mesh talcum powder, 5 parts of lithopone;10 parts of halogen-free environment-friendlyflame flame retardant;Antifreezing agent 10 Part;1.0 parts of wetting dispersing agent;0.5 part of substrate wetting agents;1.0 parts of antifoaming agent;Align 2.0 parts of agent;1.0 parts of coupling agent;It is anti- 2.0 parts of rotten mould inhibitor;10 parts of coalescents;1.0 parts of thickener, 10 parts of water.
The method for preparing a kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, including following step Suddenly:
(1) preparation of aqueous mixture:
At normal temperatures, by epoxy-modified acrylic acid lotion, vac-veova emulsion, 5 parts of water, 0.5 part of antifoaming agent is all antifreeze Agent, wetting dispersing agent, Antisepticize and mildew preventive, fire retardant, aligns agent, coupling agent at substrate wetting agents, is mixed according to weight proportion Uniformly, aqueous mixture is obtained;
(2) filler addition and paint:
Mica powder, micaceous iron oxide, magnesium hydroxide, talcum powder, lithopone are added in (1) according to weight ratio and disperseed After even, 5 parts of water are added, 0.5 part of antifoaming agent, coalescents are eventually adding thickener and adjust viscosity, filter and package.
The main performance of aqueous damping coating manufactured in the present embodiment with microcosmic constrained damping structure is as shown in table 3:
Table 3 has the main performance of the aqueous damping coating of microcosmic constrained damping structure
Project Index
Recombination loss factor η (- 40 DEG C~60 DEG C) ≥0.22
Adhesive force 0 grade
Resistance to salt water (3%NaCl solution), 60d Without blistering, no peeling
Water resistance, 60d Waterproof no blistering, no peeling
Salt fog resistance (1000h) Non-corroding, nothing fall off, without cracking
Oxygen index (OI) 31
Embodiment 4
A kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, key component is according to following weight Measure proportions:20 parts of polyurethane-modified acrylic acid lotion, 30 parts of silicone acrylic emulsion;120 25 parts of mesh mica powders;800 mesh coarse whitings 15 Part, 1,250 15 parts of mesh aluminium hydroxides, 5 parts of 1250 mesh hollow glass micropearl;10 parts of fire retardant;7 parts of antifreezing agent;Wetting dispersing agent 5.0 part;1.0 parts of substrate wetting agents;0.6 part of antifoaming agent;Align 5.0 parts of agent;2.0 parts of coupling agent;Antisepticize and mildew preventive 2.5 Part;8 parts of coalescents;0.5 part of thickener, 7.0 parts of water.
The method for preparing a kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, including following step Suddenly:
(1) preparation of aqueous mixture:
At normal temperatures, by polyurethane-modified acrylic acid lotion, silicone acrylic emulsion, 3.5 parts of water, 0.3 part of antifoaming agent, whole Antifreezing agent, wetting dispersing agent, Antisepticize and mildew preventive, fire retardant, aligns agent, coupling agent at substrate wetting agents, according to weight proportion It is uniformly mixed, obtains aqueous mixture;
(2) filler addition and paint:
Mica powder, coarse whiting, aluminium hydroxide, hollow glass micropearl be added to according to weight ratio after being uniformly dispersed in (1), then 3.5 parts of water are added, 0.3 part of antifoaming agent, coalescents are eventually adding thickener and adjust viscosity, filter and package.
The main performance of aqueous damping coating manufactured in the present embodiment with microcosmic constrained damping structure is as shown in table 4:
Table 4 has the main performance of the aqueous damping coating of microcosmic constrained damping structure
Project Index
Recombination loss factor η (- 40 DEG C~60 DEG C) ≥0.23
Adhesive force 1 grade
Resistance to salt water (3%NaCl solution), 60d Without blistering, no peeling
Water resistance, 60d Waterproof no blistering, no peeling
Salt fog resistance (1000h) Non-corroding, nothing fall off, without cracking
Oxygen index (OI) 33
Embodiment 5
A kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, key component is according to following weight Measure proportions:40 parts of polyaminoester emulsion, 10 parts of VAE lotions, 10 parts of acrylate and vinyl acetate emulsion;120 40 parts of mesh glass flakes;1250 mesh hydrogen 15 parts of aluminium oxide, 25 parts of 3000 mesh coarse whiting;20 parts of fire retardant;6 parts of antifreezing agent;0.5 part of substrate wetting agents;Wetting dispersing agent 5.0 Part;2.0 parts of antifoaming agent;Align 1.5 parts of agent;1.0 parts of coupling agent;0.5 part of Antisepticize and mildew preventive;5 parts of coalescents;Thickener 1.5 parts, 10 parts of water.
The method for preparing a kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, including following step Suddenly:
(1) preparation of aqueous mixture:
At normal temperatures, by polyaminoester emulsion, VAE lotions, acrylate and vinyl acetate emulsion, 5 parts of water, 1.0 parts of antifoaming agent is all antifreeze Agent, wetting dispersing agent, Antisepticize and mildew preventive, fire retardant, aligns agent, coupling agent at substrate wetting agents, is mixed according to weight proportion Uniformly, aqueous mixture is obtained;
(2) filler addition and paint:
Glass flake, aluminium hydroxide, coarse whiting be added to according to weight ratio after being uniformly dispersed in (1), add 5 parts of water, 1.0 parts of antifoaming agent, coalescents are eventually adding thickener and adjust viscosity, filter and package.
The main performance of aqueous damping coating manufactured in the present embodiment with microcosmic constrained damping structure is as shown in table 5:
Table 5 has the main performance of the aqueous damping coating of microcosmic constrained damping structure
Project Index
Recombination loss factor η (- 40 DEG C~60 DEG C) ≥0.22
Adhesive force 1 grade
Resistance to salt water (3%NaCl solution), 60d Without blistering, no peeling
Water resistance, 60d Waterproof no blistering, no peeling
Salt fog resistance (1000h) Non-corroding, nothing fall off, without cracking
Oxygen index (OI) 31
Embodiment 6
A kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, key component is according to following weight Measure proportions:20 parts of styrene-acrylic emulsion, 10 parts of VAE lotions, 10 parts of vac-veova emulsion;80 15 parts of mesh mica powders, 325 mesh glass flakes 10 parts;400 15 parts of mesh talcum powder, 5 parts of 1000 mesh blanc fixe, 5 parts of 2000 mesh magnesium hydroxide;16 parts of fire retardant;Antifreezing agent 8 Part;0.9 part of substrate wetting agents;3.0 parts of wetting dispersing agent;1.0 parts of antifoaming agent;Align 2.5 parts of agent;2.0 parts of coupling agent;It is anti- 3.0 parts of rotten mould inhibitor;7.0 parts of coalescents;1.0 parts of thickener, 8 parts of water.
The method for preparing a kind of aqueous damping coating with microcosmic constrained damping structure of the present embodiment, including following step Suddenly:
(1) preparation of aqueous mixture:
At normal temperatures, by styrene-acrylic emulsion, VAE lotions, vac-veova emulsion, 4 parts of water, 0.5 part of antifoaming agent is all antifreeze Agent, wetting dispersing agent, Antisepticize and mildew preventive, fire retardant, aligns agent, coupling agent at substrate wetting agents, is mixed according to weight proportion Uniformly, aqueous mixture is obtained;
(2) filler addition and paint:
Mica powder, glass flake, talcum powder, blanc fixe, magnesium hydroxide are added to dispersion in (1) according to weight ratio After uniformly, 4 parts of water are added, 0.5 part of antifoaming agent, coalescents are eventually adding thickener and adjust viscosity, filter and package.
The main performance of aqueous damping coating manufactured in the present embodiment with microcosmic constrained damping structure is as shown in table 6:
Table 6 has the main performance of the aqueous damping coating of microcosmic constrained damping structure

Claims (10)

1. a kind of aqueous damping coating with microcosmic constrained damping structure, which is characterized in that include with following parts by weight Each component:
The 30-60 parts of resin aqueous emulsions with different glass transition temperature;15-40 parts of damping color stuffings;20-40 parts of auxiliary Filler;5-20 parts of fire retardants;5-10 parts of antifreezing agents;0.5-1.0 parts of substrate wetting agents;1.0-5.0 parts of wetting dispersing agents;0.5- 2.0 parts of antifoaming agent;1.0-5.0 part aligns agent;0.5-3.0 parts of coupling agents;0.5-3.0 parts of Antisepticize and mildew preventives;5-10 parts at Film auxiliary agent;0.5-1.5 parts of thickeners;5-10 parts of water;
The damping color stuffing granularity in 40 mesh between 325 mesh, thickness≤5 μm;The particle size range of the auxiliary packing is 200 - 3000 mesh of mesh;
The fire retardant is halogen-free environment-friendlyflame flame retardant;The antifreezing agent is propylene glycol, isopropanol, propylene glycol monomethyl ether and propylene glycol fourth One or more of ether compound.
2. a kind of aqueous damping coating with microcosmic constrained damping structure according to claim 1, which is characterized in that institute It is pure-acrylic emulsion, acrylate and vinyl acetate emulsion, vac-veova emulsion, VAE lotions, benzene to state the resin aqueous emulsion with different glass transition temperature In acrylic emulsion, silicone acrylic emulsion, polyaminoester emulsion, polyurethane-modified acrylic acid lotion, epoxy-modified acrylic acid lotion, styrene-butadiene latex Two or more compounds, and solid content is 40% or more, glass transition temperature Tg is between -40 DEG C~60 DEG C.
3. a kind of aqueous damping coating with microcosmic constrained damping structure according to claim 1, which is characterized in that institute It is one or more in ammonium polyphosphate, poly cyanamid Quadrafos and diphenyl phosphoester to state fire retardant.
4. a kind of aqueous damping coating with microcosmic constrained damping structure according to claim 1, which is characterized in that institute It is sheet color stuffing to state damping color stuffing.
5. a kind of aqueous damping coating with microcosmic constrained damping structure according to claim 1, which is characterized in that resistance Buddhist nun's color stuffing is one or more in mica powder, micaceous iron oxide and glass flake.
6. a kind of aqueous damping coating with microcosmic constrained damping structure according to claim 1, which is characterized in that institute It states auxiliary packing and is selected from aluminium hydroxide, hollow glass micropearl, wollastonite in powder, coarse whiting, blanc fixe, magnesium hydroxide, lithopone With it is one or more in talcum powder.
7. a kind of aqueous damping coating with microcosmic constrained damping structure according to claim 1, which is characterized in that institute It is one kind in alcohol ester 12, dipropylene glycol methyl ether and dipropylene to state coalescents.
8. a kind of aqueous damping coating with microcosmic constrained damping structure according to claim 1, which is characterized in that institute It is one kind in silane coupling agent, titanate coupling agent and aluminate coupling agent to state coupling agent.
9. a kind of aqueous damping coating with microcosmic constrained damping structure according to claim 1, which is characterized in that institute It states and aligns agent main component as aldol(s), the high molecular polymer of siliceous alcohol functional group.
10. a kind of a kind of aqueous damping coating with microcosmic constrained damping structure as described in any one of claims 1-9 Preparation method, which is characterized in that include the following steps:
(1) preparation of aqueous mixture:
At normal temperatures, by the resin aqueous emulsion, 1/2 water, 1/2 antifoaming agent, antifreeze with different glass transition temperature Agent, wetting dispersing agent, Antisepticize and mildew preventive, fire retardant, aligns agent, coupling agent at substrate wetting agents, is mixed according to weight proportion Uniformly, aqueous mixture is obtained;
(2) filler addition and paint:
According to weight ratio will damp color stuffing, auxiliary packing is added to after being uniformly dispersed in (1), remaining 1/2 water is added, 1/2 antifoaming agent, coalescents are eventually adding thickener and adjust viscosity, filter and package.
CN201610286808.XA 2016-05-03 2016-05-03 Aqueous damping coating and preparation method thereof with microcosmic constrained damping structure CN105713472B (en)

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