CN106047096A - Water-based paint applied to automobile injection component and coating method - Google Patents
Water-based paint applied to automobile injection component and coating method Download PDFInfo
- Publication number
- CN106047096A CN106047096A CN201610225144.6A CN201610225144A CN106047096A CN 106047096 A CN106047096 A CN 106047096A CN 201610225144 A CN201610225144 A CN 201610225144A CN 106047096 A CN106047096 A CN 106047096A
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- Prior art keywords
- paint
- water
- weight portions
- weight
- amino resins
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Classifications
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/065—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
- B05D5/066—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones achieved by multilayers
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a water-based paint applied to an automobile injection component and a coating method, belonging to the technical field of novel materials for manufacturing of automobile components and parts. The water-based paint comprises a base material; the base material comprises water-soluble polyester resin, emulsion polyester resin, high-imino amino resin and methylated amino resin, an amine neutralizer, a wetting agent, a drier, a stabilizing agent, an antifoaming agent, a leveling agent, a dispersing agent, a film-forming aid, pigment, an emulsifier and medium color black. The water-based paint forms a coating in proportion, fed into an automatic colored-paint spraying robot and then coated onto a product. The invention has the advantages that the water-based paint is applied to rubber strips (EPDM) of BMW, free of volatile solvents, high in stone impact resistance, low in baking temperature and cost and environment friendly; and the whole coating method can realize automatic spraying and curing, replaces manual operation, improves the working environment of workers and guarantees product coating quality.
Description
Technical field
The invention belongs to the new material technology field that auto parts and components manufacture, the aqueous relating to a kind of automobile moulding is coated with
Material, further relates to apply the coating process of this water paint.
Background technology
The EPDM that Present Domestic produces is all the coating using import, and painting dressing automobiles needs to follow the steps below: pre-treatment,
Electrophoresis, middle painting (usual base coat), topcoating and varnish.Current painting dressing automobiles (the most domestic auto vendor) is used
Coating in addition to pre-treatment and electrophoresis the most Water-borne modification, other each road coating is the most all to be with solvent based coating
Main flow.The substantial amounts of solvent discharge that solvent contained by solvent based coating is brought can cause serious environmental pollution.In each side
Face all paying close attention to VOC emission when, car paint certainly will need Water-borne modification and it is known that to the coating of auto parts and components
Requirement and the requirement to the coating of car body are different.Even, similarly for the coating of car body, for being applicable to
The requirement of the car paint of roof and the car paint of underbody is also different, owing to domestic aqueous developer resin ratio is later, also
Rely primarily on import.The requirement of performance is hit, the general isocyanates just aggravation using aqueous for aqueous scribbles higher stone
Pressure on cost, the aqueous primer surfacer of the contrast marketization, resistance to stone hits performance and also do not reaches the standard of solvent based coating
(particularly composite coating), therefore this area hits that performance is high, baking temperature is relatively low, cost is relatively low and environmental protection in the urgent need to resistance to stone
Water-based paint compositions, the coating process of the most traditional automobile component is deposited owing to using more original hand spray mode
Shortcoming a lot of: one is that coating quality is poor, and paint film adhesion is bad, and each batch products quality is uneven;Two is existing
Coating equipment production efficiency is low, and automaticity is the highest, and spraying process can not realize continuous prodution, and labor strength is big;
Three is poor working environment, paints droplet splashes during work, the organic substance volatilization in coating, deposits human body and surrounding
In bigger threat.
Summary of the invention
The technical problem to be solved is the present situation for prior art, and provides one to be applied to automobile injection
The water paint of part, hits that performance is high, baking temperature is relatively low, cost is relatively low and environmental protection by this without volatile solvent, resistance to stone
Water-based paint compositions.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of aqueous being applied to automobile moulding is coated with
Material, it is characterised in that this water paint include base material, described base material include 3~10 parts by weight water-soluble polyester resin, 20
~65 weight portion emulsion-type polyester resin, 7~15 weight portion high imido grpup amino resins and the full methyl ether of 1~5 weight portions
Change amino resins, the amine nertralizer of 0.4~0.7 weight portion, wetting agent part of 0.2~0.5 weight portion, 0.3~0.6 weight portion
Drier, the stabilizer of 2~4 weight portions, defoamer part of 0.1~0.4 weight portion, the levelling agent of 1.6~1.9 weight portions, 1.8
~2.2 parts per weight dispersing agent, the coalescents of 1.2~1.5 weight portions, the pigment of 1.6~2 weight portions, 2.5~2.8 weight portions
Emulsifying agent, the middle colour carbon black of 8~10 weight portions.
The measure taked for optimizing such scheme specifically includes:
In above-mentioned a kind of water paint being applied to automobile moulding, the described Asia in high imido grpup amino resins
Amine groups content is between 20~30%, with total restatement of high imido grpup amino resins;And described high imido grpup amino resins refers to
The amino resins of the degree of cross linking of more than 90% can be reached in 20min with the emulsion resin used more than 130 DEG C.
In above-mentioned a kind of water paint being applied to automobile moulding, described full methyl-etherified amino resins is selected from complete
The melmac of methyl-etherified.
In above-mentioned a kind of water paint being applied to automobile moulding, this water paint preferably comprises 7 weight portions
Water-soluble polyester resin, the emulsion-type polyester resin of 47 weight portions, the high imido grpup amino resins of 13 weight portions and 10 weight portions
Full methyl-etherified amino resins, the amine nertralizer of 0.6 weight portion, wetting agent part of 0.4 weight portion, the drier of 0.5 weight portion,
The stabilizer of 3 weight portions, defoamer part of 0.4 weight portion, the levelling agent of 1.8 weight portions, 2 parts per weight dispersing agent, 1.4 weight portions
Coalescents, the pigment of 1.9 weight portions, the emulsifying agent of 2.5 weight portions, the middle colour carbon black of 8.5 weight portions.
A kind of automobile moulding coating process applying above-mentioned water paint, it is characterised in that above-mentioned water paint is pressed
Proportioning forms coating and is circulated in automatic color spray paint robot, and described coating process includes priming paint technique and colored paint technique,
Sequentially enter priming paint process island, colored paint process island after product being carried out electrostatic precipitation step via electrostatic precipitation room to be respectively completed
Priming paint processing step, colored paint processing step, priming paint technique district includes priming paint paint spray booth and priming paint levelling room respectively, and priming paint sprays paint
Indoor are provided with primer spray robot, and colored paint process island includes colored paint paint spray booth and colored paint levelling room, described colored paint respectively
Being provided with color spray paint robot in paint spray booth, colored paint spray booth tank communicates with colored paint paint spray booth and for producing in colored paint paint spray booth
Unboiled water mist, described colored paint painting room communicates and for providing colored paint with color spray paint robot.
Compared with prior art, it is an advantage of the current invention that to be applied to this water paint BMW vehicle rubber strip
(EPDM), whole water paint does not contains volatile solvent, resistance to stone hits performance height, baking temperature is relatively low, cost is relatively low and environmental protection, and
And whole coating process automatic spraying, solidification, substituting manual operation, improve the working environment of workman, the use of coating is also
Reduce further the infringement to workman and environment, reduce work working strength, reduce unstable factor, decrease loss
Time, and complete in a closed dust-free space, it is ensured that the quality of product painting.
Detailed description of the invention
The following is the specific embodiment of the present invention, technical scheme is further described, but the present invention is also
It is not limited to these embodiments.
The present invention mainly passes through water paint application on BMW vehicle rubber strip (EPDM), here whole painting during application
Dress method is as follows, by proportioning, above-mentioned water paint is formed coating and is circulated in automatic color spray paint robot, coating process bag
Include priming paint technique and colored paint technique, after product being carried out electrostatic precipitation step via electrostatic precipitation room, sequentially enter priming paint technique
District, colored paint process island are respectively completed priming paint processing step, colored paint processing step, priming paint technique district include respectively priming paint paint spray booth with
And priming paint levelling room, be provided with primer spray robot in priming paint paint spray booth, colored paint process island include respectively colored paint paint spray booth and
Colored paint levelling room, is provided with color spray paint robot in described colored paint paint spray booth, colored paint spray booth tank communicates with colored paint paint spray booth
And for producing water smoke in colored paint paint spray booth, described colored paint painting room communicates and for providing color with color spray paint robot
Paint, it can be seen that the quality of water paint just determines the quality of the product of whole BMW vehicle rubber strip.
A kind of water paint being applied to automobile moulding, this water paint include base material, described base material include 3~
10 parts by weight water-soluble polyester resin, 20~65 emulsion-type polyester resin, 7~15 high imido grpup amino of weight portion of weight portion
Resin and the full methyl-etherified amino resins of 1~5 weight portions, the amine nertralizer of 0.4~0.7 weight portion, 0.2~0.5 weight portion
Wetting agent part, the drier of 0.3~0.6 weight portion, the stabilizer of 2~4 weight portions, defoamer part of 0.1~0.4 weight portion,
The levelling agent of 1.6~1.9 weight portions, 1.8~2.2 parts per weight dispersing agent, the coalescents of 1.2~1.5 weight portions, 1.6~2 weights
The pigment of amount part, the emulsifying agent of 2.5~2.8 weight portions, the middle colour carbon black of 8~10 weight portions, herein for making effect more
Good, this water paint preferably comprises 7 parts by weight water-soluble polyester resin, the emulsion-type polyester resin of 47 weight portions, 13 weight
The high imido grpup amino resins of part and the full methyl-etherified amino resins of 10 weight portions, the amine nertralizer of 0.6 weight portion, 0.4 weight
Wetting agent part of part, the drier of 0.5 weight portion, the stabilizer of 3 weight portions, defoamer part of 0.4 weight portion, 1.8 weight portions
Levelling agent, 2 parts per weight dispersing agent, the coalescents of 1.4 weight portions, the pigment of 1.9 weight portions, the emulsifying agent of 2.5 weight portions,
The middle colour carbon black of 8.5 weight portions, the imido grpup content in the highest imido grpup amino resins is between 20~30%, with Gao Ya
Total restatement of amido amino resins, and high imido grpup amino resins refer to can be with the breast used in 20min more than 130 DEG C
Liquid resin reaches the amino resins of the degree of cross linking of more than 90%, and full methyl-etherified amino resins is selected from the tripolycyanamide tree of full methyl-etherified
Fat, be circulated into after above component is allocated after automatic color spray paint robot carries out automatic coating carry out again toasting the most available
BMW vehicle rubber strip.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the defined scope of spirit of the present invention.
Claims (5)
1. the water paint being applied to automobile moulding, it is characterised in that this water paint includes base material, described base material
Include 3~10 parts by weight water-soluble polyester resin, 20~65 emulsion-type polyester resin, 7~15 height of weight portion of weight portion
Imido grpup amino resins and the full methyl-etherified amino resins of 1~5 weight portions, the amine nertralizer of 0.4~0.7 weight portion, 0.2~
Wetting agent part of 0.5 weight portion, the drier of 0.3~0.6 weight portion, the stabilizer of 2~4 weight portions, 0.1~0.4 weight portion
Defoamer part, the levelling agent of 1.6~1.9 weight portions, 1.8~2.2 parts per weight dispersing agent, the film forming of 1.2~1.5 weight portions helps
Agent, the pigment of 1.6~2 weight portions, the emulsifying agent of 2.5~2.8 weight portions, the middle colour carbon black of 8~10 weight portions.
A kind of water paint being applied to automobile moulding the most according to claim 1, it is characterised in that described Gao Ya
Imido grpup content in amido amino resins is between 20~30%, with total restatement of high imido grpup amino resins;And described height
Imido grpup amino resins refer to more than 130 DEG C in 20min can with the emulsion resin used reach more than 90% crosslinking
The amino resins of degree.
The elastomer of the many suitabilitys of a kind of automobile triangular window the most according to claim 2, it is characterised in that described full first
Etherified amino resins is selected from the melmac of full methyl-etherified.
A kind of water paint being applied to automobile moulding the most according to claim 3, it is characterised in that this water paint
Preferably comprise the high imido grpup ammonia of 7 parts by weight water-soluble polyester resin, the emulsion-type polyester resin of 47 weight portions, 13 weight portions
Base resin and the full methyl-etherified amino resins of 10 weight portions, the amine nertralizer of 0.6 weight portion, wetting agent part of 0.4 weight portion,
The drier of 0.5 weight portion, the stabilizer of 3 weight portions, defoamer part of 0.4 weight portion, the levelling agent of 1.8 weight portions, 2 weight
Part dispersant, the coalescents of 1.4 weight portions, the pigment of 1.9 weight portions, the emulsifying agent of 2.5 weight portions, in 8.5 weight portions
Colour carbon black.
5. the automobile moulding coating process of the water paint applied described in claim 4, it is characterised in that by above-mentioned water
Property coating form coating by proportioning and be circulated in automatic color spray paint robot, described coating process includes priming paint technique and color
Lacquer craftwork, sequentially enters priming paint process island, colored paint process island after product being carried out electrostatic precipitation step via electrostatic precipitation room
Being respectively completed priming paint processing step, colored paint processing step, priming paint technique district includes priming paint paint spray booth and priming paint levelling room respectively,
Being provided with primer spray robot in priming paint paint spray booth, colored paint process island includes colored paint paint spray booth and colored paint levelling room, institute respectively
Being provided with color spray paint robot in the colored paint paint spray booth stated, colored paint spray booth tank communicates with colored paint paint spray booth and for spraying at colored paint
The indoor generation water smoke of paint, described colored paint painting room communicates and for providing colored paint with color spray paint robot.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610225144.6A CN106047096A (en) | 2016-04-12 | 2016-04-12 | Water-based paint applied to automobile injection component and coating method |
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Application Number | Priority Date | Filing Date | Title |
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CN201610225144.6A CN106047096A (en) | 2016-04-12 | 2016-04-12 | Water-based paint applied to automobile injection component and coating method |
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CN201610225144.6A Pending CN106047096A (en) | 2016-04-12 | 2016-04-12 | Water-based paint applied to automobile injection component and coating method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107201112A (en) * | 2017-05-09 | 2017-09-26 | 中国第汽车股份有限公司 | Body of a motor car composite coating and its coating process |
CN109021794A (en) * | 2018-06-01 | 2018-12-18 | 苏州睿烁环境科技有限公司 | A kind of automobile case priming paint with good heat-proof quality |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1283193A2 (en) * | 2001-08-08 | 2003-02-12 | Nippon Paint Co., Ltd. | Method for recycling aqueous intermediate-coating paint |
CN102086339A (en) * | 2009-12-07 | 2011-06-08 | 立邦涂料(中国)有限公司 | Aqueous coating combination and automobile intermediate coating thereof |
CN201959893U (en) * | 2011-01-06 | 2011-09-07 | 无锡井上华光汽车部件有限公司 | Modularized automatic spraying system for automobile guide plate |
CN102558999A (en) * | 2011-12-30 | 2012-07-11 | 佛山市邦立德水性涂料有限公司 | Water-based environment-friendly electrostatic spraying baking paint and preparation method thereof |
-
2016
- 2016-04-12 CN CN201610225144.6A patent/CN106047096A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1283193A2 (en) * | 2001-08-08 | 2003-02-12 | Nippon Paint Co., Ltd. | Method for recycling aqueous intermediate-coating paint |
CN102086339A (en) * | 2009-12-07 | 2011-06-08 | 立邦涂料(中国)有限公司 | Aqueous coating combination and automobile intermediate coating thereof |
CN201959893U (en) * | 2011-01-06 | 2011-09-07 | 无锡井上华光汽车部件有限公司 | Modularized automatic spraying system for automobile guide plate |
CN102558999A (en) * | 2011-12-30 | 2012-07-11 | 佛山市邦立德水性涂料有限公司 | Water-based environment-friendly electrostatic spraying baking paint and preparation method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107201112A (en) * | 2017-05-09 | 2017-09-26 | 中国第汽车股份有限公司 | Body of a motor car composite coating and its coating process |
CN109021794A (en) * | 2018-06-01 | 2018-12-18 | 苏州睿烁环境科技有限公司 | A kind of automobile case priming paint with good heat-proof quality |
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Application publication date: 20161026 |
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