CN105602371A - Method for preparing high-temperature baking type water-soluble damping coating for vehicles - Google Patents
Method for preparing high-temperature baking type water-soluble damping coating for vehicles Download PDFInfo
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- CN105602371A CN105602371A CN201610071028.3A CN201610071028A CN105602371A CN 105602371 A CN105602371 A CN 105602371A CN 201610071028 A CN201610071028 A CN 201610071028A CN 105602371 A CN105602371 A CN 105602371A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a method for preparing high-temperature baking type water-soluble damping coating for vehicles. The method comprises the following steps: (1) numbering water-soluble acrylic resin emulsions having a glass-transition temperature of negative 10 DEG C, 0 DEG C, 20 DEG C and 50 DEG C respectively to be emulsion No.1, emulsion No.2, emulsion No.3 and emulsion No.4 in a weight ratio of (0.5-1):(1-1.5):(1.5-2.5):(0.5-1), wherein the emulsions account for 20-45 percent of the weight of the coating; (2) selecting wollastonite powder, mica powder and ground calcium carbonate in a weight ratio of (0.5-1):(2-3):(1.5-2.5) as functional packing, wherein the functional packing accounts for 50-65 percent of the weight of the coating; and (3) adding water into a reaction kettle, adding the following materials in percentage by weight: 0.2-0.5 percent of dispersant, 0.2-0.5 percent of a wetting agent, 0.2-0.5 percent of a defoaming agent, 0.2-0.5 percent of a bactericide, 0.2-0.5 percent of coalescing agent and 0.2-0.5 percent of color paste, stirring for 10-15 minutes, adding the emulsions, and keeping on stirring for 15-20 minutes, adding the functional packing, stirring and dispersing for 20-25 minutes, adding 0.1-0.4 percent of thickener to regulate the viscosity. The coating can be cured when being baked at 140 DEG C for 15-20 minutes, can be applied to the assembly line of a vehicle maker, and has good damping performance, weather resistance, adhesive force and environmental friendliness.
Description
Technical field
The invention belongs to polymer matrix composites technical field, be specifically related to the preparation method of a kind of automobile high-temperature baking type aqueous damping coating.
Background technology
In vehicle traveling process, its noise and vibration can have a strong impact on driver and crew's riding comfort, therefore need be on vehicle body large-area applications damping material to reduce the noise and vibration of automobile, automobile mainly comprises damping sheet and damping paint with damping material, what domestic application was wider at present is pitch damping sheet, and its advantage is that cost is lower, damping is good; But its shortcoming is also a lot, as need artificial construction, easily come off, product weight, not environmental protection etc., at present automobile is environmental protection, lightweight with the development trend of acoustic damping materials, and the aqueous damping coating advantages such as low and dry film density is little because VOC discharges will replace pitch damping sheet and used by Ge great main engine plants.
Summary of the invention
For addressing the above problem, the invention discloses the preparation method of a kind of automobile high-temperature baking type aqueous damping coating, the various aspects such as its product damping and amortization, weatherability, adhesive force, the feature of environmental protection have better performance, it is curable that this aqueous damping coating toasts 15-20min at 140 DEG C, can meet automobile main frame maker's streamline production application.
For achieving the above object, technical scheme of the present invention is as follows:
A preparation method for high-temperature baking type aqueous damping coating for automobile, comprises the following steps:
(1) selecting respectively glass transition temperature is the water-borne acrylic resin emulsion of-10 DEG C, 0 DEG C, 20 DEG C, 50 DEG C, be numbered respectively 1# emulsion, 2# emulsion, 3# emulsion, 4# emulsion, weight proportion is (0.5-1): (1-1.5): (1.5-2.5): (0.5-1), it is 20-45% that whole emulsion systems account for coating weight ratio;
(2) choosing wollastonite in powder, mica powder, coarse whiting is functional stuffing, and weight proportion is (0.5-1): (2-3): (1.5-2.5), it is 50-65% that repertoire filler accounts for coating weight ratio;
(3) in reactor, add water, adding successively weight ratio is the dispersant of 0.2-0.5%, the wetting agent of 0.2-0.5%, the defoamer of 0.2-0.5%, the bactericide of 0.2-0.5%, the coalescents of 0.2-0.5%, the mill base of 0.2-0.5% again, stir after 10-15min, add successively 1# emulsion, 2# emulsion, 3# emulsion, the 4# emulsion of step (1), continue to stir 15-20min; Add the functional stuffing of step (2), dispersed with stirring 20-25min, after dispersion, adds the thickener adjusting viscosity of 0.1-0.4%, makes aqueous damping coating again.
As a modification of the present invention, described wollastonite in powder, mica powder, coarse whiting are 800-1200 order.
As a modification of the present invention, described dispersant is Macrogol 200 or 400.
As a modification of the present invention, described wetting agent is sulfonated oil or APES.
As a modification of the present invention, described defoamer is metallic soap of stearic acid or polyureas.
As a modification of the present invention, described bactericide is dodecyl dimethyl benzyl ammonium bromide or BIT.
As a modification of the present invention, described coalescents is the one in alcohol ester 12, butyl glycol ether, propane diols phenylate.
As a modification of the present invention, described thickener is the one in bentonite, attapulgite, alumina silicate.
The invention has the beneficial effects as follows:
Automobile water-based property damping paint of the present invention adopts several dissimilar aqueous high molecular resins as becoming film base material, choose again the multiple functional stuffing with better damping and amortization compound with it, by the optimization of function additive, optimize the performance of automobile damping material, prepared the aqueous damping coating with better mechanical property and damping capacity.
The present invention adopts the rational proportion of different glass transition temperature emulsion, in the reasonable scope by the proportion control of the shared coating of emulsion system simultaneously, product has wider high polymer damping temperature, and stable in properties, not yielding in high-temperature baking process, can effectively improve damping capacity and elastic modelling quantity, there is good physical mechanical performance and fire resistance, construct more convenient, vehicle body loss of weight is obvious, and the feature of environmental protection is better, homogeneity of product is higher, will lead the future thrust of automobile damping material.
Detailed description of the invention
Below in conjunction with detailed description of the invention, further illustrate the present invention, should understand following detailed description of the invention and only be not used in and limit the scope of the invention for the present invention is described.
Embodiment 1
The preparation method of high-temperature baking type aqueous damping coating for a kind of automobile described in the present embodiment, comprises the following steps:
(1) selecting respectively glass transition temperature is the water-borne acrylic resin emulsion of-10 DEG C, 0 DEG C, 20 DEG C, 50 DEG C, be numbered respectively 1# emulsion, 2# emulsion, 3# emulsion, 4# emulsion, weight proportion is 0.8:1.2:2:0.8, and it is 38.6% that whole emulsion systems account for coating weight ratio;
(2) choosing 1000 object wollastonites in powder, mica powder, coarse whiting is functional stuffing, and weight proportion is 0.8:2.5:2, and it is 59% that repertoire filler accounts for coating weight ratio;
(3) in reactor, add water, adding successively weight ratio is 0.4% Macrogol 200,0.3% sulfonated oil, 0.4% metallic soap of stearic acid, 0.3% dodecyl dimethyl benzyl ammonium bromide, 0.4% alcohol ester 12,0.3% mill base again, stir after 12min, add successively 1# emulsion, 2# emulsion, 3# emulsion, the 4# emulsion of step (1), continue to stir 18min, add again the functional stuffing of step (2), dispersed with stirring 22min, after dispersion, add 0.3% bentonite adjusting viscosity, make aqueous damping coating.
It is curable that aqueous damping coating described in the present embodiment toasts 18min at 145 DEG C, and the various aspects such as product damping and amortization, weatherability, adhesive force, the feature of environmental protection have better performance, can meet automobile main frame maker's streamline production application.
Embodiment 2
The preparation method of high-temperature baking type aqueous damping coating for a kind of automobile described in the present embodiment, comprises the following steps:
(1) selecting respectively glass transition temperature is the water-borne acrylic resin emulsion of-10 DEG C, 0 DEG C, 20 DEG C, 50 DEG C, be numbered respectively 1# emulsion, 2# emulsion, 3# emulsion, 4# emulsion, weight proportion is 0.5:1.5:1.5:1, and it is 32.5% that whole emulsion systems account for coating weight ratio;
(2) choosing 1200 object wollastonites in powder, mica powder, coarse whiting is functional stuffing, and weight proportion is 0.5:3:1.5, and it is 65% that repertoire filler accounts for coating weight ratio;
(3) in reactor, add water, adding successively weight ratio is 0.2% PEG400,0.5% APES, 0.2% polyureas, 0.5% butyl glycol ether, 0.2% BIT, 0.5% mill base again, stir after 10min, add successively 1# emulsion, 2# emulsion, 3# emulsion, the 4# emulsion of step (1), continue to stir 20min; Add the functional stuffing of step (2), dispersed with stirring 20min, after dispersion, adds 0.4% attapulgite adjusting viscosity, makes aqueous damping coating again.
It is curable that aqueous damping coating described in the present embodiment toasts 20min at 140 DEG C, and the various aspects such as product damping and amortization, weatherability, adhesive force, the feature of environmental protection have better performance, can meet automobile main frame maker's streamline production application.
Embodiment 3
The preparation method of high-temperature baking type aqueous damping coating for a kind of automobile described in the present embodiment, comprises the following steps:
(1) selecting respectively glass transition temperature is the water-borne acrylic resin emulsion of-10 DEG C, 0 DEG C, 20 DEG C, 50 DEG C, be numbered respectively 1# emulsion, 2# emulsion, 3# emulsion, 4# emulsion, weight proportion is 1:1:2.5:0.5, and it is 44.8% that whole emulsion systems account for coating weight ratio;
(2) choosing 800 object wollastonites in powder, mica powder, coarse whiting is functional stuffing, and weight proportion is 1:2:2.5, and it is 53% that repertoire filler accounts for coating weight ratio;
(3) in reactor, add water, adding successively weight ratio is 0.5% Macrogol 200,0.2% sulfonated oil, 0.5% polyureas, 0.2% dodecyl dimethyl benzyl ammonium bromide, 0.5% propane diols phenylate, 0.2% mill base again, stir after 15min, add successively 1# emulsion, 2# emulsion, 3# emulsion, the 4# emulsion of step (1), continue to stir 15min; Add the functional stuffing of step (2), dispersed with stirring 25min, after dispersion, adds 0.1% alumina silicate adjusting viscosity, makes aqueous damping coating again.
It is curable that aqueous damping coating described in the present embodiment toasts 15min at 150 DEG C, and the various aspects such as product damping and amortization, weatherability, adhesive force, the feature of environmental protection have better performance, can meet automobile main frame maker's streamline production application.
The disclosed technological means of the present invention program is not limited only to the disclosed technological means of above-mentioned embodiment, also comprises the technical scheme being made up of above technical characterictic.
Claims (8)
1. a preparation method for high-temperature baking type aqueous damping coating for automobile, is characterized in that: comprise the following steps:
(1) selecting respectively glass transition temperature is the water-borne acrylic resin emulsion of-10 DEG C, 0 DEG C, 20 DEG C, 50 DEG C, be numbered respectively 1# emulsion, 2# emulsion, 3# emulsion, 4# emulsion, weight proportion is (0.5-1): (1-1.5): (1.5-2.5): (0.5-1), it is 20-45% that whole emulsion systems account for coating weight ratio;
(2) choosing wollastonite in powder, mica powder, coarse whiting is functional stuffing, and weight proportion is (0.5-1): (2-3): (1.5-2.5), it is 50-65% that repertoire filler accounts for coating weight ratio;
(3) in reactor, add water, adding successively weight ratio is the dispersant of 0.2-0.5%, the wetting agent of 0.2-0.5%, the defoamer of 0.2-0.5%, the bactericide of 0.2-0.5%, the coalescents of 0.2-0.5%, the mill base of 0.2-0.5% again, stir after 10-15min, add successively 1# emulsion, 2# emulsion, 3# emulsion, the 4# emulsion of step (1), continue to stir 15-20min; Add the functional stuffing of step (2), dispersed with stirring 20-25min, after dispersion, adds the thickener adjusting viscosity of 0.1-0.4%, makes aqueous damping coating again.
2. the preparation method of high-temperature baking type aqueous damping coating for a kind of automobile according to claim 1, is characterized in that: described wollastonite in powder, mica powder, coarse whiting are 800-1200 order.
3. the preparation method of high-temperature baking type aqueous damping coating for a kind of automobile according to claim 1, is characterized in that: described dispersant is Macrogol 200 or 400.
4. the preparation method of high-temperature baking type aqueous damping coating for a kind of automobile according to claim 1, is characterized in that: described wetting agent is sulfonated oil or APES.
5. the preparation method of high-temperature baking type aqueous damping coating for a kind of automobile according to claim 1, is characterized in that: described defoamer is metallic soap of stearic acid or polyureas.
6. the preparation method of high-temperature baking type aqueous damping coating for a kind of automobile according to claim 1, is characterized in that: described bactericide is dodecyl dimethyl benzyl ammonium bromide or BIT.
7. the preparation method of high-temperature baking type aqueous damping coating for a kind of automobile according to claim 1, is characterized in that: described coalescents is the one in alcohol ester 12, butyl glycol ether, propane diols phenylate.
8. the preparation method of high-temperature baking type aqueous damping coating for a kind of automobile according to claim 1, is characterized in that: described thickener is the one in bentonite, attapulgite, alumina silicate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610071028.3A CN105602371A (en) | 2016-02-02 | 2016-02-02 | Method for preparing high-temperature baking type water-soluble damping coating for vehicles |
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| CN201610071028.3A CN105602371A (en) | 2016-02-02 | 2016-02-02 | Method for preparing high-temperature baking type water-soluble damping coating for vehicles |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860719A (en) * | 2016-06-06 | 2016-08-17 | 青岛爱尔家佳新材料有限公司 | Sprayable baking type water soluble damping coating and preparation method thereof |
| CN106752586A (en) * | 2016-12-26 | 2017-05-31 | 十堰福波新材料有限公司 | A kind of automobile water base stone-impact-proof paint of high thixotropic and preparation method |
| CN107400429A (en) * | 2017-08-14 | 2017-11-28 | 青岛爱尔家佳新材料股份有限公司 | A kind of graphene aqueous damping coating and preparation method thereof |
| CN107880654A (en) * | 2017-11-23 | 2018-04-06 | 湖南金利源新材料科技有限公司 | One kind can high-temperature baking water paint |
| CN108753070A (en) * | 2018-06-20 | 2018-11-06 | 东莞市迅杰通新材料有限公司 | A kind of preparation method and product of low temperature region high-performance water-based damping coating material |
| CN109942756A (en) * | 2018-05-17 | 2019-06-28 | 北京化工大学 | One kind having gradient damping structure styrene-acrylic emulsion and can toast heavy sizing aqueous damping paint and preparation |
| CN112341883A (en) * | 2020-11-16 | 2021-02-09 | 三友（天津）高分子技术有限公司 | Baking type water-based damping coating |
| CN112680047A (en) * | 2020-12-29 | 2021-04-20 | 重庆德天汽车新材料研究院有限公司 | Automotive bakeable thick paste type water-based damping coating and preparation method thereof |
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| CN103881505A (en) * | 2014-04-17 | 2014-06-25 | 上海依多科化工有限公司 | Water-based damping paint for automobile and preparation method of water-based damping paint |
| CN103897262A (en) * | 2012-12-27 | 2014-07-02 | 浙江艾迪雅科技股份有限公司 | Low cost and high efficient soundproof material and manufacturing method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103897262A (en) * | 2012-12-27 | 2014-07-02 | 浙江艾迪雅科技股份有限公司 | Low cost and high efficient soundproof material and manufacturing method thereof |
| CN103881505A (en) * | 2014-04-17 | 2014-06-25 | 上海依多科化工有限公司 | Water-based damping paint for automobile and preparation method of water-based damping paint |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860719A (en) * | 2016-06-06 | 2016-08-17 | 青岛爱尔家佳新材料有限公司 | Sprayable baking type water soluble damping coating and preparation method thereof |
| CN106752586A (en) * | 2016-12-26 | 2017-05-31 | 十堰福波新材料有限公司 | A kind of automobile water base stone-impact-proof paint of high thixotropic and preparation method |
| CN107400429A (en) * | 2017-08-14 | 2017-11-28 | 青岛爱尔家佳新材料股份有限公司 | A kind of graphene aqueous damping coating and preparation method thereof |
| CN107400429B (en) * | 2017-08-14 | 2020-05-19 | 青岛爱尔家佳新材料股份有限公司 | Graphene water-based damping coating and preparation method thereof |
| CN107880654A (en) * | 2017-11-23 | 2018-04-06 | 湖南金利源新材料科技有限公司 | One kind can high-temperature baking water paint |
| CN109942756A (en) * | 2018-05-17 | 2019-06-28 | 北京化工大学 | One kind having gradient damping structure styrene-acrylic emulsion and can toast heavy sizing aqueous damping paint and preparation |
| CN108753070A (en) * | 2018-06-20 | 2018-11-06 | 东莞市迅杰通新材料有限公司 | A kind of preparation method and product of low temperature region high-performance water-based damping coating material |
| CN112341883A (en) * | 2020-11-16 | 2021-02-09 | 三友（天津）高分子技术有限公司 | Baking type water-based damping coating |
| CN112680047A (en) * | 2020-12-29 | 2021-04-20 | 重庆德天汽车新材料研究院有限公司 | Automotive bakeable thick paste type water-based damping coating and preparation method thereof |
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Application publication date: 20160525 |
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