CN104231870B - A kind of ultraviolet-curing paint for electromobile shell and preparation method and spraying method - Google Patents
A kind of ultraviolet-curing paint for electromobile shell and preparation method and spraying method Download PDFInfo
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- CN104231870B CN104231870B CN201410495329.XA CN201410495329A CN104231870B CN 104231870 B CN104231870 B CN 104231870B CN 201410495329 A CN201410495329 A CN 201410495329A CN 104231870 B CN104231870 B CN 104231870B
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Abstract
A kind of ultraviolet-curing paint for electromobile shell and preparation method and spraying method, it is characterized in that being made up of priming paint and finish paint, wherein the component of priming paint and finish paint is by weight ratio: priming paint: epoxy acrylate 20～40, urethane acrylate 10～20,1,6 hexanediyl ester 2～6, trimethylolpropane trimethacrylate 30～40,1 hydroxycyclohexyl phenyl ketone 1～5, benzil dimethyl ketal 3～8, polyether-modified polydimethylsiloxane 0.2～1；Finish paint: acrylate modification is containing solvent-borne type oligomer 40～60, trimethylolpropane trimethacrylate 30～50,1 hydroxycyclohexyl phenyl ketone 5～10,2; 4,6 trimethyl benzoyl diphenyl base phosphine oxides 1～3, polyether-modified polydimethylsiloxane 0.5～2, trifunctional acid ester 1～3, nanoscale color essence 1～3.The coating of the present invention is energy-efficient, economic and environment-friendly and anti-scratching wearproof, lucuriant in design, and preparation technology is simple, solidification small investment, it is easy to production line balance.
Description
Technical field
The invention belongs to ultraviolet-curing paint technical field, be specifically related to a kind of ultraviolet light polymerization for electromobile shell
Coating and preparation thereof and using method.
Background technology
Electromobile shell has to pass through exhibiting high surface process on ABS/PC mould of plastics formed foundation and reaches attractive in appearance wear-resisting
Effect, current processing method major part is to use thermohardening type colored paint as priming paint, there is baking time length, energy consumption big
And solvent volatilization easily catches fire in limited space, pollutes the shortcomings such as environment, the single guarantor of ultraviolet Lacquer finish then taked by finish paint
Protecting, lack middle protection and metal-like is not strong, priming paint also needs to distinct device simultaneously, makes troubles, have on producing
The strongest limitation.
Ultraviolet-curing paint is a kind of environmental type coating, and it has efficiently, economical and energy saving, advantages of environment protection,
Fibre coating, CD coating/DVD binding agent, the credit card, timber, beverage can, packaging for foodstuff, journal surface,
Medical apparatus and instruments and automobile industry suffer from develop the most rapidly.Ultraviolet-curing paint is divided into two painting type ultraviolet light polymerizations
Coating and three painting type ultraviolet-curing paints, two painting type ultraviolet-curing paints include finish paint and priming paint, owing to finish paint is direct
Be coated in coating surface, poor with binding force of cladding material, easily come off, three painting type ultraviolet-curing paints include finish paint, middle paint and
Priming paint, owing to adding middle paint so that adhesive strength and the wearability of finish paint are obviously improved, but relatively costly and
Complex process.Chinese patent " a kind of vacuum plating UV radiation curing of existing Patent No. CN200810218298.8
Coating and production method, construction method ", including priming paint and finish paint, this UV radiation curing coating for vacuum plating is applicable to
The supporting application of metallization in ABS, ABS+PC, PC plastic rubber case.This coating is also two painting types, is applicable to hands
The application of the cabinets such as machine, digital camera, minaudiere, have preferable metal effect and high glaze high plentiful outside
See, but its component is more, and contain the butanone of 40～50 mass fractions in primers, finish paint also contains 35～46
The butanone of mass fraction, this coating not only results in the pollution of air, and also has the danger of burning when solidification.
It is thus desirable to develop a kind of economic and environment-friendly and energy-conservation ultraviolet-curing paint for electromobile shell so that processing and
The casing of electric vehicle become not only strengthens protected effect, anti-scratching wearproof, still prevents catabiosis the dirtiest, easy, it is achieved that individual
Property " dazzling " effect, increase aesthetic feeling.
Summary of the invention
First technical problem to be solved by this invention be to provide a kind of energy-efficient, economic and environment-friendly and anti-scratching wearproof,
Ultraviolet-curing paint for electromobile shell lucuriant in design.
Second technical problem to be solved by this invention is to provide the preparation method of a kind of above-mentioned ultraviolet-curing paint.
3rd technical problem to be solved by this invention is to provide the spraying method of a kind of above-mentioned ultraviolet-curing paint.
The present invention solves the technical scheme that above-mentioned first technical problem used: a kind of ultraviolet for electromobile shell
Photocureable coating, it is characterised in that described ultraviolet-curing paint is made up of priming paint and finish paint, wherein priming paint and finish paint
Component is respectively as follows: by weight ratio
Priming paint: epoxy acrylate 20～40, urethane acrylate 10～20,1,6 hexanediyl ester 2～
6, trimethylolpropane trimethacrylate 30～40,1-hydroxycyclohexyl phenyl ketone 1～5, benzil dimethyl ketal
3～8, polyether-modified polydimethylsiloxane 0.2～1；
Finish paint: acrylate modification containing solvent-borne type oligomer 40～60, trimethylolpropane trimethacrylate 30～50,
1-hydroxycyclohexyl phenyl ketone 5～10,2,4,6 trimethyl benzoyl diphenyl base phosphine oxide 1～3, polyether-modified
Polydimethylsiloxane 0.5～2, trifunctional acid ester 1～3, nanoscale color essence 1～3.
The modification of described acrylate selects the product purchased from Changxing, Taiwan chemical company containing solvent-borne type oligomer, and model is
6071。
Described trifunctional acid ester selects the product purchased from Sartomer of the U.S., and model is CD9051NS.
Described polyether-modified polydimethylsiloxane selects the product of BYK company of Germany, and model is BYK333.
The present invention solves the technical scheme that above-mentioned second technical problem used: a kind of above-mentioned ultraviolet-curing paint
Preparation method, it is characterised in that step is:
1) prepare priming paint: according to above-mentioned priming paint component proportion add epoxy acrylate, urethane acrylate, 1,6
Hexanediyl ester, trimethylolpropane trimethacrylate, 1-hydroxycyclohexyl phenyl ketone, benzil dimethyl
Ketal, polyether-modified polydimethylsiloxane, carry out high speed dispersion stirring, and temperature controls at 20～25 DEG C, in 800～
1000 revs/min stirring 0.5h～1h mix homogeneously after filter cleaner priming paint finished product；
2) finish paint is prepared: add acrylate modification containing solvent-borne type oligomer, three hydroxyls according to the component proportion of above-mentioned finish paint
Propane tri, 1-hydroxycyclohexyl phenyl ketone, 2,4,6 trimethyl benzoyl diphenyl base phosphine oxides,
The row high speed dispersion that progresses greatly polyether-modified polydimethylsiloxane, trifunctional acid ester, nanoscale color stirs, and temperature controls
20～25 DEG C, in 800～1000 revs/min stirring 0.5h～1h mix homogeneously after filter cleaner finish paint finished product.
The present invention solves above-mentioned 3rd technical scheme that technical problem is used: a kind of above-mentioned ultraviolet-curing paint
Spraying method, it is characterised in that: by described priming paint spraying application to ground, application thickness 18～22um, 55～65
DEG C (preferably 60 DEG C) infrared lamp irradiates lower levelling 4～6min (preferably 5min), and 600～900mJ/cm2Energy-curable,
Carry out vacuum coating again and form the metal film of densification, then spray with finish paint, application thickness 10～15um, 55～65
DEG C (preferably 60 DEG C) infrared lamp irradiates lower levelling 4～6min (preferably 5min), and 1000～1200mJ/cm2Energy-curable
?.
Compared with prior art, it is an advantage of the current invention that:
Using double painting type ultraviolet light polymerization treatment technology, it has efficiently, economical and energy saving, advantages of environment protection, specifically
It is as medium with UV priming paint, uses vacuum coating technology to make electromobile frosting form one layer of fine and close metal film,
Then by adding various nanoscale color essence proportioning on UV finish paint, increase strong metal-like, thus it is gorgeous to reach surface
Beautiful colorful effect.Needed for this technique, uv equipment floor space is few, invests relatively low, easily realizes production line balance,
And the casing of electric vehicle processed not only increases protected effect, anti-scratching wearproof, catabiosis the dirtiest, easy can be prevented,
Achieve the effect that personalization " is dazzled ", increase aesthetic feeling.
The coating of the present invention has the advantage that 1, curing rate is fast: can meet the production of extensive automatic assembly line
Requirement, substantially increases production efficiency, also saves the space that semi-finished product are stacked；2, energy-conservation: photocuring only needs to use
In the radiation energy of exciting light initiator, and unlike heat cure, need heated substrate, material and surrounding space, expend big
Energy；3, environmentally friendly: to be substantially free of volatile solvent, reactive diluent used is all high boiling point organic compound,
Solidification does not results in the pollution of air, reduces the danger of the harm to human body and fire yet.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
In paint mixing tank, be sequentially added into by weight percentage epoxy acrylate 33%, urethane acrylate 14.5%,
1,6 hexanediyl esters 4.42%, trimethylolpropane trimethacrylate 39.5%, 1-hydroxycyclohexylphenyl first
Ketone 3.3%, benzil dimethyl ketal 4.84%, polyether-modified polydimethylsiloxane 0.44% carries out high speed dispersion and stirs
Mixing, temperature controls at 25 DEG C, in 1000 revs/min stirring 0.5h after filter cleaner priming paint finished product.Adjust at another
In paint can, it is sequentially added into acrylate modification by weight percentage containing solvent-borne type oligomer 54.3%, trimethylolpropane tris
Acrylate 32.0%, 1-hydroxycyclohexyl phenyl ketone 7.7%, 2,4,6 trimethyl benzoyl diphenyl base aoxidize
Phosphine 1.1%, polyether-modified polydimethylsiloxane 1.12%, trifunctional acid ester 1.78%, nanoscale color essence (yellow) 2%
Carrying out high speed dispersion stirring, temperature controls at 25 DEG C, 1000 revs/min stirring 0.5h after filter cleaner finish paint finished product.
By priming paint with in spraying application to ground, application thickness 20um, 60 DEG C of infrared lamps irradiate lower levelling 5min, 800mJ/cm2
Energy-curable, then carry out vacuum coating formed densification metal film, then spray with finish paint, application thickness 15um,
60 DEG C of infrared lamps irradiate lower levelling 5min, 1200mJ/cm2Energy-curable can be prepared by the material that " dazzling " is yellow, testability
Can be more than 95% by adhesive force, hardness is more than 100 times not less than H (1000g power), RCA (275g).
Embodiment 2
In paint mixing tank, be sequentially added into by weight percentage epoxy acrylate 33%, urethane acrylate 14.5%,
1,6 hexanediyl esters 4.42%, trimethylolpropane trimethacrylate 39.5%, 1-hydroxycyclohexylphenyl first
Ketone 3.3%, benzil dimethyl ketal 4.84%, polyether-modified polydimethylsiloxane 0.44% carries out high speed dispersion and stirs
Mixing, temperature controls at 25 DEG C, 900 revs/min stirring 0.5h after filter cleaner priming paint finished product.At another paint mixing tank
In, it is sequentially added into acrylate modification by weight percentage containing solvent-borne type oligomer 44.3%, trimethylolpropane tris propylene
Acid esters 42%, 1-hydroxycyclohexyl phenyl ketone 6%, 2,4,6 trimethyl benzoyl diphenyl base phosphine oxide 2.8%,
Smart (blue) 2% of polyether-modified polydimethylsiloxane 1.5%, trifunctional acid ester 1.4%, nanoscale color carries out height
Speed dispersion stirring, temperature controls at 25 DEG C, in 1000 revs/min stirring 0.5h after filter cleaner finish paint finished product.Will
Priming paint is with in spraying application to ground, and application thickness 22um, 60 DEG C of infrared lamps irradiate lower levelling 5min, 900mJ/cm2
Energy-curable, then carry out vacuum coating formed densification metal film, then spray with finish paint, application thickness 10um,
60 DEG C of infrared lamps irradiate lower levelling 5min, 1000mJ/cm2Energy-curable can prepare the material that " dazzling " is blue, test performance
Adhesive force is more than 95%, and hardness is more than 100 times not less than H (1000g power), RCA (275g).
Embodiment 3
In paint mixing tank, be sequentially added into by weight percentage epoxy acrylate 37.5%, urethane acrylate 10%,
1,6 hexanediyl esters 5%, trimethylolpropane trimethacrylate 35.5%, 1-hydroxycyclohexyl phenyl ketone
5%, benzil dimethyl ketal 6%, polyether-modified polydimethylsiloxane 1% carry out high speed dispersion stirring, temperature control
System at 25 DEG C, 1000 revs/min stirring 0.5h after filter cleaner priming paint finished product.In another paint mixing tank, by weight
Percentage ratio is sequentially added into acrylate modification containing solvent-borne type oligomer 49.3%, trimethylolpropane trimethacrylate
35.4%, 1-hydroxycyclohexyl phenyl ketone 10%, 2,4,6 trimethyl benzoyl diphenyl base phosphine oxide 1.5%,
Smart (red) 2% of polyether-modified polydimethylsiloxane 0.6%, trifunctional acid ester 1.2%, nanoscale color carries out height
Speed dispersion stirring, temperature controls at 25 DEG C, in 1000 revs/min stirring 0.5h after filter cleaner finish paint finished product.Will
Priming paint is with in spraying application to ground, and application thickness 18um, 60 DEG C of infrared lamps irradiate lower levelling 5min, 600mJ/cm2
Energy-curable, then carry out vacuum coating formed densification metal film, then spray with finish paint, application thickness 15um,
60 DEG C of infrared lamps irradiate lower levelling 5min, 1200mJ/cm2Energy-curable can be prepared by the material that " dazzling " is red, testability
Can be more than 95% by adhesive force, hardness is more than 100 times not less than H (1000g power), RCA (275g).
Embodiment 4
In paint mixing tank, it is sequentially added into epoxy acrylate 40%, urethane acrylate 7.5%, 1,6 by weight percentage
Hexanediyl ester 6%, trimethylolpropane trimethacrylate 36.5%, 1-hydroxycyclohexyl phenyl ketone
1.86%, benzil dimethyl ketal 7.5%, polyether-modified polydimethylsiloxane 0.64% carry out high speed dispersion stirring,
Temperature controls at 25 DEG C, in 1000 revs/min stirring 0.5h after filter cleaner priming paint finished product.At another paint mixing tank
In, it is sequentially added into acrylate modification by weight percentage containing solvent-borne type oligomer 54.3%, trimethylolpropane tris propylene
Acid esters 32.0%, 1-hydroxycyclohexyl phenyl ketone 7.7%, 2,4,6 trimethyl benzoyl diphenyl base phosphine oxide
1.1%, polyether-modified polydimethylsiloxane 1.12%, trifunctional acid ester 1.78%, nanoscale color essence (purple) 2%
Carrying out high speed dispersion stirring, temperature controls at 25 DEG C, in 1000 revs/min stirring 0.5h after filter cleaner finish paint become
Product.By priming paint with in spraying application to ground, application thickness 20um, 60 DEG C of infrared lamps irradiate lower levelling 5min,
800mJ/cm2Energy-curable, then carry out vacuum coating formed densification metal film, then spray with finish paint, application
Thickness 15um, 60 DEG C of infrared lamps irradiate lower levelling 5min, 1200mJ/cm2Energy-curable can be prepared by " dazzling " purple
Material, test performance adhesive force is more than 95%, and hardness is more than 100 not less than H (1000g power), RCA (275g)
Secondary.
Embodiment 5
In paint mixing tank, it is sequentially added into epoxy acrylate 30%, urethane acrylate 20%, 1,6 by weight percentage
Hexanediyl ester 3.42%, trimethylolpropane trimethacrylate 33.5%, 1-hydroxycyclohexyl phenyl ketone
4.2%, benzil dimethyl ketal 8%, polyether-modified polydimethylsiloxane 0.88% carry out high speed dispersion stirring, temperature
Degree control at 25 DEG C, 800 revs/min stirring 0.5h after filter cleaner priming paint finished product.In another paint mixing tank, press
Percentage by weight is sequentially added into acrylate modification containing solvent-borne type oligomer 50%, trimethylolpropane trimethacrylate
35%, 1-hydroxycyclohexyl phenyl ketone 8%, 2,4,6 trimethyl benzoyl diphenyl base phosphine oxide 2%, polyethers
Smart (green) 2% of modified dimethyl polysiloxane 1.8%, trifunctional acid ester 1.2%, nanoscale color carries out dividing at a high speed
Dissipate stirring, temperature controls at 25 DEG C, in 800 revs/min stirring 0.5h after filter cleaner finish paint finished product.Priming paint is used
Spraying application is on ground, and application thickness 20um, 60 DEG C of infrared lamps irradiate lower levelling 5min, 800mJ/cm2Energy
Solidification, then carry out vacuum coating formed densification metal film, then spray with finish paint, application thickness 15um, 60
DEG C infrared lamp irradiates lower levelling 5min, 1200mJ/cm2Energy-curable can be prepared by the material that " dazzling " is green, test performance
Adhesive force is more than 95%, and hardness is more than 100 times not less than H (1000g power), RCA (275g).
Claims (6)
1. the ultraviolet-curing paint for electromobile shell, it is characterised in that described ultraviolet-curing paint is made up of priming paint and finish paint, and wherein the component of priming paint and finish paint is respectively as follows: by weight ratio
Priming paint: epoxy acrylate 20～40, urethane acrylate 10～20,1,6 are own
Omega-diol diacrylate 2～6, trimethylolpropane trimethacrylate 30～40,1-hydroxycyclohexyl phenyl ketone 1～5, benzil dimethyl ketal 3～8, polyether-modified polydimethylsiloxane 0.2～1；
Finish paint: acrylate modification is containing solvent-borne type oligomer 40～60, trimethylolpropane trimethacrylate 30～50,1-hydroxycyclohexyl phenyl ketone 5～10,2; 4,6 trimethyl benzoyl diphenyl base phosphine oxides 1～3, polyether-modified polydimethylsiloxane 0.5～2, trifunctional acid ester 1～3, nanoscale color essence 1～3.
Ultraviolet-curing paint for electromobile shell the most according to claim 1, it is characterised in that the modification of described acrylate selects the product purchased from Changxing, Taiwan chemical company containing solvent-borne type oligomer, and model is 6071.
Ultraviolet-curing paint for electromobile shell the most according to claim 1, it is characterised in that described trifunctional acid ester selects the product purchased from Sartomer of the U.S., and model is CD9051NS.
Ultraviolet-curing paint for electromobile shell the most according to claim 1, it is characterised in that described polyether-modified polydimethylsiloxane selects the product of BYK company of Germany, and model is BYK333.
5. the preparation method of the ultraviolet-curing paint described in a Claims 1 to 4 any one, it is characterised in that step is:
1) prepare priming paint: according in claim 1 priming paint component proportion add epoxy acrylate, urethane acrylate, 1,6 hexanediyl esters, trimethylolpropane trimethacrylate, 1-hydroxycyclohexyl phenyl ketone, benzil dimethyl ketal, polyether-modified polydimethylsiloxane, carry out high speed dispersion stirring, temperature controls at 20～25 DEG C, in 800～1000 revs/min stirring 0.5h～1h mix homogeneously after filter cleaner priming paint finished product；
2) prepare finish paint: according in claim 1 finish paint component proportion add acrylate modification containing solvent-borne type oligomer, trimethylolpropane trimethacrylate, 1-hydroxycyclohexyl phenyl ketone, 2; 4; the row high speed dispersion that progresses greatly 6 trimethyl benzoyl diphenyl base phosphine oxides, polyether-modified polydimethylsiloxane, trifunctional acid ester, nanoscale color stirs; temperature controls at 20～25 DEG C, in 800～1000 revs/min stirring 0.5h～1h mix homogeneously after filter cleaner finish paint finished product.
6. the spraying method of the ultraviolet-curing paint described in a Claims 1 to 4 any one, it is characterised in that: by described priming paint spraying application to ground, application thickness 18～22 μ
m
, 55～65 DEG C of lower levellings 4～6min of infrared lamps irradiation, 600～900mJ/cm2Energy-curable, then carry out vacuum coating formed densification metal film, then spray with finish paint, application thickness 10～15 μ
m
, 55～65 DEG C of lower levellings 4～6min of infrared lamps irradiation, 1000～1200mJ/cm2Energy-curable.
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| CN201410495329.XA CN104231870B (en) | 2014-09-24 | 2014-09-24 | A kind of ultraviolet-curing paint for electromobile shell and preparation method and spraying method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106700891A (en) * | 2015-11-15 | 2017-05-24 | 惠州市长润发涂料有限公司 | LED curing repair undercoat paint |
| CN106633145B (en) * | 2016-12-09 | 2018-08-14 | 安徽恒天电子科技有限公司 | A kind of processing method of battery truck controller housing heatproof flame-retardant |
| CN115851065B (en) * | 2022-11-25 | 2023-08-15 | 湖北双键精细化工有限公司 | Modified acrylic emulsion for single-component primer matched with UV finishing paint and preparation method thereof |
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| CN101397410B (en) * | 2007-12-03 | 2011-05-18 | 三棵树涂料股份有限公司 | Water ultraviolet cured paint |
| CN101250339B (en) * | 2008-04-03 | 2010-09-08 | 惠州市长润发涂料有限公司 | Ultraviolet light curing vacuum coating foundation and finish |
| KR101300373B1 (en) * | 2010-12-21 | 2013-09-10 | (주)엘지하우시스 | Solventless coating composition with low glass transition temperature of electron beam curing type and coating fabric sheet of fabricated using thereof |
| CN102140307B (en) * | 2011-05-11 | 2012-09-26 | 湖南松井新材料有限公司 | Ultraviolet-cured paint |
| CN103387790A (en) * | 2013-08-08 | 2013-11-13 | 江西德之胜新材料有限公司 | Anti-vibration wear-resisting vacuum electroplating UV (Ultraviolet) coating |
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