CN107189611A - A kind of black high-decoration coating, coating process and its application - Google Patents
A kind of black high-decoration coating, coating process and its application Download PDFInfo
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- CN107189611A CN107189611A CN201710367700.8A CN201710367700A CN107189611A CN 107189611 A CN107189611 A CN 107189611A CN 201710367700 A CN201710367700 A CN 201710367700A CN 107189611 A CN107189611 A CN 107189611A
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- black
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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
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
-
- 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
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of black high-decoration coating, coating process and its application, black high-decoration coating is divided into two traditional bloom is pitch-dark, portion is the black primary coat of high pigment, another is the colourless coating varnish of high transparency, during application, the black primary coat of the high pigment of application first, then in the black primary coat of high pigment application high transparency colourless coating varnish.After coating film forming, on the premise of the performance indications such as adhesive force, hardness, pliability, weatherability, light resistance, resistance to acids and bases reach excellent level, drastically increase decorative effect, color is characterized with the L* in the L*a*b* chrominance spaces of CIE 1976 and b*, L* is less than 0.5, b* is less than 0.5, and gloss is measured under 60 ° of measurement angle, and gloss is more than 98.This coating can be used needs the application fields such as high blackness, high glaze, excellent blue color phase in black car, piano, laptop computer etc..
Description
Technical field
The present invention relates to a kind of black high-decoration coating and coating process, belong to the production field of industrial coating.
Background technology
Many industrial products use the decorative paint of black.For the black finish paint with excellent decoration performance, Ren Menzong
Being desirable to it can be pitch-black shiny and with noble blue color phase, especially to using in high-grade car, piano, laptop computer etc.
The black finish paint of product, this finishing requirements are stronger.
It is high-carbon black pigment to manufacture the best pigment of blacking.The chemical property of carbon black is stable, with splendid fast light
Property, and the particle diameter of high-carbon black pigment is minimum, and greatly, with splendid light adsorptivity, blackness is high for specific surface area, is that black is applied
Expect the first choice of pigment.On the other hand, due to particle diameter typically only 13 rans of high-carbon black pigment, surface can high, Yi Xu
Poly-, the poly- result of wadding causes the wadding aggressiveness particle diameter in coating system to become big, and blackness declines.In the selection of colour carbon black, if
The pH value of carbon black is relatively low, and volatile matter is higher, then substantial amounts of oxygen containing chemical functional group is contained on surface, can effectively prevent phenomenon of flocculating
Generation.Therefore, the small particle high-carbon black pigment product by oxidation processes is the pigment head of the high-grade black cosmetic coating of manufacture
Choosing.
The essence of carbon black blackness is absorption and reflection of the carbon black in coating to light source light.The absorption of light by lambert-
Beer law is dominated：Under certain wavelength, the uptake of light is directly proportional to the thickness of light absorbent, the concentration with light absorbent
It is directly proportional, i.e., the blackness of paint film is relevant with the thickness of pigment content in coating and paint film.Under the same conditions, the carbon black in pitch-dark
Content is higher, and the absorption to light source light is then more, and reflected light is then fewer, and the blackness of coating is then higher, more blue-phase.The opposing party
Face, the blackness of carbon black is too high, can reduce pitch-dark gloss, and gloss has had a strong impact on judgement of the human eye to paint film blackness,
Under this domination to contradiction, the pigment during high blackness is pitch-dark（The ratio of pigment mass and base-material quality）Typically about（0.04~
0.08）∶1.
Xu's ancestor's device exists《The pitch-dark preparation of high blackness solvent-borne type》Described in one text and be with well-known high-carbon black pigment FW200
Pigment, is largely using dispersing aid（The quality of dispersing aid is 2.3 times of carbon black mass）Under conditions of, according to pigment
（The ratio of pigment mass and base-material quality）Typically about（0.04~0.08）: 1 conventional formulation, the solvent-borne type produced is pitch-dark
L* blackness is about 1.
The minimum value of L* in the L*a*b* chrominance spaces of CIE 1976 is zero, how to be done the pitch-dark L* blackness of solvent-borne type
Obtain lower, more blue phase, this is a significant challenge.
The content of the invention
The invention discloses a kind of black high-decoration coating and coating process, this coating breaches the pitch-dark pigment of bloom
For（0.04~0.08）: 1 traditional fabrication formula, it is divided into two traditional bloom is pitch-dark, portion is the black of high pigment
Primary coat, another is the colourless coating varnish of high transparency, during application, the high pigment black primary coat of application first, then in Gao Yan
Colourless coating varnish of the base than application high transparency in black primary coat.
In described high pigment black primary coat, carbon black mass part accounts for all film forming matter quality for 15%~25%, i.e. face
Base ratio is 0.176~0.667:1.
Further, the black primary coat of described high pigment is less than 14nm from average grain diameter, and pH value is less than 2.6, volatilization
It is coloring pigment to divide the colour carbon black more than 10%.
Further, during application, high pigment black primary coat can be as primer painting in the object for needing to decorate, protect
On, then application high transparency colourless coating varnish；It can also be painted on and be coated with other prime coats（Anti-corrosive primer, envelope
Close priming paint etc.）, decoration the need for floating coat, on the object of protection, to meet different decoration demands.Further, it is high during application
The thickness of dry film of pigment black primary coat is that, not less than 80 μm, the thickness of dry film of the colourless coating varnish of high transparency is not less than 60
μm。
Carbon black mass part is accounted for all film forming matter quality controls 15%~25% by the present invention, because when less than 15%
When, blackness is unable to reach requirement, during higher than 25%, and primary coat viscosity is too high, it is impossible to use, be also unable to reach needs pliability and
Adhesive force.
Before the performance indications such as adhesive force, hardness, pliability, weatherability, light resistance, resistance to acids and bases reach excellent level
Put, black high-decoration coating and coating process of the present invention are drastically increased after decorative effect, film forming, with CIE 1976
L* and b* in L*a*b* chrominance spaces characterize color, and L* is less than 0.5, b* and is less than -0.5, and light is measured under 60 ° of measurement angle
Pool, gloss is more than 98.
This coating can be used needs high blackness, high glaze, excellent blue color in black car, piano, laptop computer etc.
The application field of equal decorative effect.
Embodiment
With reference to embodiment, the present invention will be further described.
Embodiment one
The black high-decoration self-drying paint of two-component is made of acrylic acid-polyurethane resin.
High pigment black primary coat（Pigment is 0.26:1）Formula：
The colourless coating varnish formula of high transparency：
| Raw material | Formula（Gram） |
| Hydroxy acrylic acid 870 | 23.3 |
| Hydroxy acrylic acid 760 | 37.2 |
| Solvent | 22 |
| Levelling agent | 0.5 |
| Curing agent N75 | 17 |
| It is total | 100 |
Application：
The thickness of dry film of high pigment black primary coat is 102 μm；The thickness of dry film of the colourless coating varnish of high transparency is 98 μm；
Decorative effect：
L*=0.46, b*=- 0.50, gloss=98.3（60 ° of angles）.
Embodiment two
Black high-decoration baking vanish is made with alkyd-amino resins
High pigment black primary coat（Pigment is 0.28:1）Formula：
The colourless coating varnish formula of high transparency：
| Raw material | Formula（Gram） |
| Amino resins 5233-2 | 18 |
| Alkyd resin 3370C | 59 |
| Levelling agent | 0.5 |
| Solvent | 22.5 |
| It is total | 100 |
Application：
The thickness of dry film of high pigment black primary coat is 98 μm；The thickness of dry film of the colourless coating varnish of high transparency is 150 μm；
Decorative effect：
L*=0.40, b*=- 0.53, gloss=98.8（60 ° of angles）.
Although the embodiment to the present invention gives detailed description and illustrated above, it should be noted that
We can carry out various equivalent changes and modification according to the conception of the present invention to above-mentioned embodiment, and the function produced by it is made
, all should be within protection scope of the present invention during with the spirit still covered without departing from specification.
Claims (9)
1. a kind of black high-decoration coating, it is characterised in that black high-decoration coating by high pigment black primary coat and
Colourless coating varnish two parts of high transparency are constituted, it is necessary to which application twice is completed.
2. a kind of black high-decoration coating according to claim 1, it is characterised in that described high pigment black bottom
Tu Zhong, it is 15%~40% that carbon black mass part, which accounts for all film forming matter quality, and pigment is 0.176~0.667 ︰ 1.
3. a kind of black high-decoration coating according to claim 1, it is characterised in that the black of described high pigment
It is coloring pigment that priming paint primary coat is less than 14nm, pH value to be less than colour carbon black of the 2.6, volatile matter more than 10% from average grain diameter.
4. a kind of black high-decoration coating according to claim 1, it is characterised in that described high transparency is without colour correction mask
Light varnish by with excellent hardness, pliability, weatherability, light resistance, resistance to acids and bases, high transparency high-quality high polymer material system
Into.
5. according to a kind of coating process of any described black high-decoration coating of Claims 1-4, it is characterised in that black
Color high-decoration coating need to construct twice, the high pigment black primary coat of application first, then in the base of high pigment black primary coat
The colourless coating varnish of application high transparency again on plinth.
6. the coating process of a kind of black high-decoration coating according to claim 5, it is characterised in that high pigment is black
On the object that color primary coat, which can be directly painted on, to be needed to decorate, protected, or it is painted on and has been coated with other prime coats, floating coat
The need for decoration, protection object on.
7. the coating process of a kind of black high-decoration coating according to claim 5, it is characterised in that during application, high
The thickness of dry film of pigment black primer is not less than 80 μm, and the thickness of dry film of high transparency coating varnish is not less than 60 μm.
8. a kind of black high-decoration coating according to claim 5, it is characterised in that after coating film forming, use CIE
L* and b* in 1976 L*a*b* chrominance spaces characterize color, and L* is less than 0.5, b* and is less than -0.5, under 60 ° of measurement angle
Gloss is measured, gloss is more than 98.
9. the application of a kind of black high-decoration coating according to claim 1, it is characterised in that this coating is used black
Color car, piano, laptop computer need high blackness, high glaze, the application field of excellent blue color phase decorative effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367700.8A CN107189611A (en) | 2017-05-23 | 2017-05-23 | A kind of black high-decoration coating, coating process and its application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367700.8A CN107189611A (en) | 2017-05-23 | 2017-05-23 | A kind of black high-decoration coating, coating process and its application |
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| Publication Number | Publication Date |
|---|---|
| CN107189611A true CN107189611A (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710367700.8A Pending CN107189611A (en) | 2017-05-23 | 2017-05-23 | A kind of black high-decoration coating, coating process and its application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112662285A (en) * | 2020-12-18 | 2021-04-16 | 力同化工(佛山)有限公司 | Nano environment-friendly pure black coating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1237195A (en) * | 1997-08-28 | 1999-12-01 | 三菱化学株式会社 | Carbon black and process for producing the same |
| CN101151103A (en) * | 2005-02-04 | 2008-03-26 | 纳幕尔杜邦公司 | Process for the production of primer surfacer-free multi-layer coatings |
| JP4194041B2 (en) * | 2004-02-27 | 2008-12-10 | 株式会社神戸製鋼所 | Resin-coated metal plate and electronic device parts with excellent scratch resistance and fingerprint resistance |
| CN103013230A (en) * | 2012-12-20 | 2013-04-03 | 广州市番禺科迪色彩有限公司 | Preparation method of solvent-based nano-carbon black paste |
| CN104693930A (en) * | 2015-03-27 | 2015-06-10 | 广州慧谷化学有限公司 | Water dispersible fluorine silicone modified acrylic resin coating and preparation and application in aluminum profile |
| CN105985710A (en) * | 2015-02-04 | 2016-10-05 | 常州市武进晨光金属涂料有限公司 | Waterborne short-process flashing base coat and coating method thereof |
-
2017
- 2017-05-23 CN CN201710367700.8A patent/CN107189611A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1237195A (en) * | 1997-08-28 | 1999-12-01 | 三菱化学株式会社 | Carbon black and process for producing the same |
| JP4194041B2 (en) * | 2004-02-27 | 2008-12-10 | 株式会社神戸製鋼所 | Resin-coated metal plate and electronic device parts with excellent scratch resistance and fingerprint resistance |
| CN101151103A (en) * | 2005-02-04 | 2008-03-26 | 纳幕尔杜邦公司 | Process for the production of primer surfacer-free multi-layer coatings |
| CN103013230A (en) * | 2012-12-20 | 2013-04-03 | 广州市番禺科迪色彩有限公司 | Preparation method of solvent-based nano-carbon black paste |
| CN105985710A (en) * | 2015-02-04 | 2016-10-05 | 常州市武进晨光金属涂料有限公司 | Waterborne short-process flashing base coat and coating method thereof |
| CN104693930A (en) * | 2015-03-27 | 2015-06-10 | 广州慧谷化学有限公司 | Water dispersible fluorine silicone modified acrylic resin coating and preparation and application in aluminum profile |
Non-Patent Citations (1)
| Title |
|---|
| 徐宗器: "高黑度溶剂型黑漆的制备", 《上海涂料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112662285A (en) * | 2020-12-18 | 2021-04-16 | 力同化工(佛山)有限公司 | Nano environment-friendly pure black coating |
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Application publication date: 20170922 |