The coating of bis- laser carvings of 3D, base material and the preparation with metal and anodic oxidation effect
Method
Technical field
The present invention relates to paint field, especially, is related to a kind of coating of bis- laser carvings of 3D.Moreover, it relates to
A kind of base material and preparation method with metal and anodic oxidation effect.
Background technology
2015, the mobile phone of metal material became main trend, and mobile phone in the market is mostly using aluminium alloy sun
The technology of pole oxidation.But there is following a few class inferior positions in this classification art:1. in the production process of anodic oxidation, water, electricity disappear
Consumption is quite big.2. the pollution of the NaOH used during anodic oxidation, sulfuric acid and other liquid fluxs to air and water is larger.3. sun
The metal material cost that pole oxidation uses is high, while anodic oxidation, due to production process complexity, yield is not high, more has a strong impact on
The production yield rate of mobile phone manufacture.
In some techniques, imitative anodic oxidation and CNC effects are formed on material surface with reference to coating and laser carving mode.Laser carving
When instantaneous temperature it is very high, when laser carving, existing coating colored paint is impacted to cause hundred lattice to come off, and finish paint can produce after laser carving
Hair tonic is ftractureed in vain or after laser carving.
The content of the invention
The invention provides the coating of bis- laser carvings of 3D, there is metal and the base material and preparation method of anodic oxidation effect,
Existing coating colored paint is impacted to cause hundred lattice to come off to solve, finish paint can be produced after laser carving turn white or laser carving after ftracture
Technical problem.
The technical solution adopted by the present invention is as follows:
One aspect of the present invention provides a kind of coating of bis- laser carvings of 3D, and the coating of bis- laser carvings of 3D includes colored paint, priming paint,
Middle paint, finish paint.Colored paint, priming paint, middle paint and finish paint are in parts by weight:
Colored paint includes:60~70 parts of Hydroxylated acrylic resin, 5~10 parts of silver powder, the mill base of 1~7 parts by weight, 5~
10 parts of the first diluent and 1~5 part of anti-settling agent.
Priming paint includes:10~20 parts of two functional aliphatic's polyurethane acrylic resins, 15~25 parts of two functional epoxies
Acrylic resin, 10~15 parts of two functional acrylate monomers, 10~15 parts of trifunctional acrylate monomer, 2~5 parts
First light trigger, 35~60 parts of the second diluent and 0.01~0.5 part of levelling agent.
Middle enamel-cover includes:15~30 parts of two functional aliphatic's polyurethane acrylic resins, 15~30 parts of trifunctional fat
It is adoption urethane acrylate resin, 1~3 part of adhesion promoter, 1~3 part of the second light trigger, the 3rd of 35~65 parts the dilute
Release agent and 0.01~0.5 part of levelling agent.
Finish paint includes:15~20 parts of high function aliphatic polyurethane acrylic resin, 10~15 parts of trifunctional fat
Adoption urethane acrylate resin, 15~20 parts of silicone modified acrylic resin, 1~5 part of adhesion promoter, the of 1~5 part
Three light triggers, 30~60 parts of the 4th diluent and 0.2~2 part of levelling agent.
Further, colored paint includes:62~68 parts of Hydroxylated acrylic resin, 6~9 parts of silver powder, 3~5 parts by weight
Mill base, 6~8 parts of the first diluent and 2~4 parts of anti-settling agent.
Priming paint includes:12~18 parts of two functional aliphatic's polyurethane acrylic resins, 18~22 parts of two functional epoxies
Acrylic resin, 11~14 parts of two functional acrylate monomers, 11~14 parts of trifunctional acrylate monomer, 2~5 parts
First light trigger, 40~55 parts of the second diluent and 0.01~0.5 part of levelling agent.
Middle enamel-cover includes:18~26 parts of two functional aliphatic's polyurethane acrylic resins, 18~26 parts of trifunctional fat
It is adoption urethane acrylate resin, 1~3 part of adhesion promoter, 1~3 part of the second light trigger, the 3rd of 35~65 parts the dilute
Release agent and 0.01~0.5 part of levelling agent.
Finish paint includes:16~18 parts of high function aliphatic polyurethane acrylic resin, 11~14 parts of trifunctional fat
Adoption urethane acrylate resin, 16~18 parts of silicone modified acrylic resin, 2~4 parts of adhesion promoter, the of 2~4 parts
Three light triggers, 35~55 parts of the 4th diluent and 0.2~2 part of levelling agent.
Further, colored paint includes:60~70 parts of Hydroxylated acrylic resin, 5~10 parts of silver powder, 1~7 parts by weight
Mill base, 5~10 parts of the first diluent and 1~5 part of anti-settling agent.
Priming paint includes:10~20 parts of two functional aliphatic's polyurethane acrylic resins, 15~25 parts of two functional epoxies
Acrylic resin, 10~15 parts of two functional acrylate monomers, 10~15 parts of trifunctional acrylate monomer, 2~5 parts
First light trigger, 35~60 parts of the second diluent and 0.01~0.5 part of levelling agent.
Middle enamel-cover includes:15~30 parts of two functional aliphatic's polyurethane acrylic resins, 15~30 parts of trifunctional fat
It is adoption urethane acrylate resin, 1~3 part of adhesion promoter, 1~3 part of the second light trigger, the 3rd of 35~65 parts the dilute
Release agent and 0.01~0.5 part of levelling agent.
Finish paint includes:15~20 parts of high function aliphatic polyurethane acrylic resin, 10~15 parts of trifunctional fat
Adoption urethane acrylate resin, 15~20 parts of silicone modified acrylic resin, 1~5 part of adhesion promoter, the of 1~5 part
Three light triggers, 30~60 parts of the 4th diluent and 0.2~2 part of levelling agent.
Further, the first diluent, the second diluent, the 3rd diluent and the 4th diluent are respectively selected from acetic acid second
One or more in ester, the diluent of acetic acid first, propylene glycol methyl ether acetate, butyl glycol ether and butanone.
First light trigger, the second light trigger and the 3rd light trigger include 1- hydroxy-cyciohexyls Benzophenone and/or 2,
4,6- trimethylbenzoy-dipheny phosphine oxides.
Further, adhesion promoter is acrylic resin.
Another aspect of the present invention provides a kind of base material with metal and anodic oxidation effect, and substrate surface, which is provided with, to be applied
Layer, base material are metal or plastic rubber substrate, and coating includes colored paint layer, prime coat, the gold set gradually from the bottom to top from substrate surface
Belong to coating, middle enamelled coating and top coat layer, colored paint layer, prime coat, middle enamelled coating and top coat layer are respectively by any one of Claims 1 to 5
Bis- laser carvings of 3D coating corresponding to paint coat.
Coating is provided with therefrom enamelled coating and carves the first carved region shown to prime coat downwards, by top coat layer in the first carved region
Filling, the top layer of top coat layer corresponds to is provided with the second carved region at the first carved region.
Present invention also offers a kind of preparation method of the base material with metal and anodic oxidation effect, including following step
Suddenly:
Obtain the coating of above-mentioned bis- laser carvings of 3D, substrate surface be made successively colored paint layer, prime coat, the coat of metal and
Middle enamelled coating.
Carved downwards in the predeterminable area of protective paint layer, middle enamelled coating, the coat of metal corresponding to removal predeterminable area, expose bottom
Enamelled coating, form carved region.
In middle enamelled coating and carved region coating finish paint, ultra-violet curing forms top coat layer to levelling again.
Correspond to that to carry out superficial face at carved region overwrought on the top layer of top coat layer, obtain overwrought area, obtain imitative anodic oxidation with
The coating of CNC effects.
Further, the preparation method of each layer is in coating:
Colored paint is sprayed on base material, application thickness is 6~8 μm, and levelling 10~15 minutes at 70~80 DEG C.
The spray-applied primer on colored paint layer, 20~25 μm of application thickness, and at 50~60 DEG C levelling 5~8 minutes and 700~
1000mJ/cm2Energy under solidify.
The vacuum coating on prime coat.And spray on the coat of metal and painted in laser carving, 3~6 μm of application thickness, and 60~
Levelling 5~8 minutes and 300~600mJ/cm at 70 DEG C2Energy under solidify.
20~25 μm of the application thickness of finish paint, levelling 5~8 minutes and 900~1300mJ/cm at 60~70 DEG C2Energy
Amount is lower to be solidified.
The engraving and superficial face carve of predeterminable area use laser carving.
Further, the thickness of the coat of metal is 20~40nm, and the material of the coat of metal is aluminium, indium or silver-tin alloy.
The invention has the advantages that:The coating of above-mentioned bis- laser carvings of 3D, the main film forming matter of finish paint is 15~20
The high function aliphatic polyurethane acrylic resin of part, 10~15 parts of trifunctional aliphatic polyurethane acrylic resin, 15~
20 parts of silicone modified acrylic resin;The higher high functional group's aliphatic polyurethane third of ratio is contained in the proportioning of finish paint
Olefin(e) acid resin, this resin is not due to the active group that may participate in photocuring reaction containing six or more than six, therefore not
Only photo-curing rate is fast, and crosslink density is big, and the corresponding film hardness that solidifies is high, excellent in abrasion resistance.Acid-organosilicon crylic acid simultaneously
Resin be it is a kind of have specific characteristics can resin, it has relatively low surface tension, and its main chain is silicon oxygen bond, so having fabulous resistance to
Time property and resistance to elevated temperatures.Trifunctional aliphatic polyurethane acrylic resin is primarily to the toughness of adjustment finish paint, it is contemplated that
Material can not produce fracture when complete machine is filled, so when design topcoat formulation, while ensureing that finish paint is wear-resisting
Take into account with relatively good pliability.The coating of above-mentioned bis- laser carvings of 3D, its finish paint heat resistant and wear resistant when carrying out laser carving not
Produce explosion.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is that the base material with metal and anodic oxidation effect that the coating of bis- laser carvings of 3D of embodiment 6 obtains is in kind
Figure.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
The preferred embodiments of the present invention provide one aspect of the present invention and provide a kind of coating of bis- laser carvings of 3D, 3D bis- times
The coating of laser carving includes colored paint, priming paint, middle paint, finish paint.Colored paint, priming paint, middle paint and finish paint are in parts by weight:
Colored paint includes:60~70 parts of Hydroxylated acrylic resin, 5~10 parts of silver powder, the mill base of 1~7 parts by weight, 5~
10 parts of the first diluent and 1~5 part of anti-settling agent.
Priming paint includes:10~20 parts of two functional aliphatic's polyurethane acrylic resins, 15~25 parts of two functional epoxies
Acrylic resin, 10~15 parts of two functional acrylate monomers, 10~15 parts of trifunctional acrylate monomer, 2~5 parts
First light trigger, 35~60 parts of the second diluent and 0.01~0.5 part of levelling agent.
Middle enamel-cover includes:15~30 parts of two functional aliphatic's polyurethane acrylic resins, 15~30 parts of trifunctional fat
It is adoption urethane acrylate resin, 1~3 part of adhesion promoter, 1~3 part of the second light trigger, the 3rd of 35~65 parts the dilute
Release agent and 0.01~0.5 part of levelling agent.
Finish paint includes:15~20 parts of high function aliphatic polyurethane acrylic resin, 10~15 parts of trifunctional fat
Adoption urethane acrylate resin, 15~20 parts of silicone modified acrylic resin, 1~5 part of adhesion promoter, the of 1~5 part
Three light triggers, 30~60 parts of the 4th diluent and 0.2~2 part of levelling agent.
Colored paint provided by the invention includes the Hydroxylated acrylic resin that parts by weight are 60~70 parts, and film forming matter is used as using it
Matter.This resin silver powder arranges, good for the wetability of pigment, and the Hydroxylated acrylic resin amount added is larger, can improve
Colored paint falls the problem of hundred lattice.Anti-settling agent prevents that the mechanism of precipitation from being the rheological property of change system, makes it have thixotropy, so as to
Prevent pigment and silver powder from settling.
Priming paint provided by the invention is UV priming paint, is 10~20 part of two functional aliphatic's polyurethane propylene comprising parts by weight
Acid resin and 15~25 parts of two functional epoxy's acrylic resins, to be used as film forming matter both it.It can be sent out by this proportioning
Existing, more high polymers less using number of functional groups in UV priming paint of the invention, the common feature of this kind of material is that pliability is good.
Two functional aliphatic's polyurethane acrylic resins have the characteristics that pliability is good, adhesive force is strong, but laser curing velocity is slow, therefore
It can not be used alone in photocuring product, so selection epoxy acrylic resin is used cooperatively, to improve the solidification of UV priming paint speed
Rate.Simultaneously in priming paint plus two functional epoxy's acrylic resins, two functional acrylate monomers, compared to adding dual cure carbamic acid
Faster, toughness is more preferable for ester acrylic resin curing rate.Above-mentioned two monomer can not only dissolve and dilute the resin in corresponding priming paint
Class material, the viscosity of adjusting coating, and Light Curing is participated in, influence the photo-curing rate and cured film of photocuring product
Various performances, therefore select suitable monomer living and adjust the important ring that suitable ratio is also the design of photocuring product formula
Section.In middle paint provided by the invention comprising parts by weight be 15~30 part of two functional aliphatic's polyurethane acrylic resin and 15~
25 parts of trifunctional aliphatic polyurethane acrylic resin, to be used as film forming matter both it.Synthesized by aromatic isocyanate
Polyurethane be referred to as aromatic urethane acrylic resin, due to containing phenyl ring, therefore chain, in rigidity, its cured film has higher
Mechanical strength and hardness.The polyurethane synthesized by aliphatic isocyanates is referred to as aliphatic polyurethane acrylic resin, and main chain is
Saturated alkane and cycloalkane, so pliability is relatively good.When needing laser carving in view of middle paint can laser carving it is totally complete, institute
With in laser carving paint need not be higher hardness.Therefore formulation selection uses aliphatic polyurethane acrylic resin.Priming paint, middle paint
It may be the same or different with the levelling agent of finish paint.
The main film forming matter of UV finish paints provided by the invention is 15~20 parts of high function aliphatic polyurethane acrylic acid tree
Fat, 10~15 parts of trifunctional aliphatic polyurethane acrylic resin, 15~20 parts of silicone modified acrylic resin;In finish paint
Contain the higher high functional group's aliphatic polyurethane acrylic resin of ratio in proportioning, this resin due to containing six or
The active group that may participate in photocuring reaction that person is more than six, therefore not only photo-curing rate is fast, and also crosslink density is big, phase
The solidification film hardness answered is high, excellent in abrasion resistance.Silicone modified acrylic resin is a kind of resin for the energy that has specific characteristics, and it has relatively low
Surface tension, its main chain is silicon oxygen bond, so having fabulous weatherability and resistance to elevated temperatures, 3D laser carvings are carried out on finish paint
Carbon dioxide laser carving, its principle are the light beams using high-energy-density, are irradiated to coating surface, make coating that color change occur
Process, so finish paint must have good resistance to elevated temperatures, it just can guarantee that coating does not produce explosion when laser carving.
Trifunctional aliphatic polyurethane acrylic resin is primarily to the toughness of adjustment finish paint, it is contemplated that material is when complete machine is filled
Fracture can not be produced, so when design topcoat formulation, also to be taken into account with relatively good while ensureing that finish paint is wear-resisting
Pliability.
The invention has the advantages that:The coating of above-mentioned bis- laser carvings of 3D, the main film forming matter of finish paint is 15~20
The high function aliphatic polyurethane acrylic resin of part, 10~15 parts of trifunctional aliphatic polyurethane acrylic resin, 15~
20 parts of silicone modified acrylic resin;The higher high functional group's aliphatic polyurethane third of ratio is contained in the proportioning of finish paint
Olefin(e) acid resin, this resin is not due to the active group that may participate in photocuring reaction containing six or more than six, therefore not
Only photo-curing rate is fast, and crosslink density is big, and the corresponding film hardness that solidifies is high, excellent in abrasion resistance.Acid-organosilicon crylic acid simultaneously
Resin be it is a kind of have specific characteristics can resin, it has relatively low surface tension, and its main chain is silicon oxygen bond, so having fabulous resistance to
Time property and resistance to elevated temperatures.Trifunctional aliphatic polyurethane acrylic resin is primarily to the toughness of adjustment finish paint, it is contemplated that
Material can not produce fracture when complete machine is filled, so when design topcoat formulation, while ensureing that finish paint is wear-resisting
Take into account with relatively good pliability.The coating of above-mentioned bis- laser carvings of 3D, its finish paint heat resistant and wear resistant when carrying out laser carving not
Produce explosion.
Further, colored paint includes:62~68 parts of Hydroxylated acrylic resin, 6~9 parts of silver powder, 3~5 parts by weight
Mill base, 6~8 parts of the first diluent and 2~4 parts of anti-settling agent.
Priming paint includes:12~18 parts of two functional aliphatic's polyurethane acrylic resins, 18~22 parts of two functional epoxies
Acrylic resin, 11~14 parts of two functional acrylate monomers, 11~14 parts of trifunctional acrylate monomer, 2~5 parts
First light trigger, 40~55 parts of the second diluent and 0.01~0.5 part of levelling agent.
Middle enamel-cover includes:18~26 parts of two functional aliphatic's polyurethane acrylic resins, 18~26 parts of trifunctional fat
It is adoption urethane acrylate resin, 1~3 part of adhesion promoter, 1~3 part of the second light trigger, the 3rd of 35~65 parts the dilute
Release agent and 0.01~0.5 part of levelling agent.
Finish paint includes:16~18 parts of high function aliphatic polyurethane acrylic resin, 11~14 parts of trifunctional fat
Adoption urethane acrylate resin, 16~18 parts of silicone modified acrylic resin, 2~4 parts of adhesion promoter, the of 2~4 parts
Three light triggers, 35~55 parts of the 4th diluent and 0.2~2 part of levelling agent.
Under this condition, the properties of the coating of bis- laser carvings of 3D are more balanced, and performance is more excellent.
Further, colored paint includes:60~70 parts of Hydroxylated acrylic resin, 5~10 parts of silver powder, 1~7 parts by weight
Mill base, 5~10 parts of the first diluent and 1~5 part of anti-settling agent.
Priming paint includes:10~20 parts of two functional aliphatic's polyurethane acrylic resins, 15~25 parts of two functional epoxies
Acrylic resin, 10~15 parts of two functional acrylate monomers, 10~15 parts of trifunctional acrylate monomer, 2~5 parts
First light trigger, 35~60 parts of the second diluent and 0.01~0.5 part of levelling agent.
Middle enamel-cover includes:15~30 parts of two functional aliphatic's polyurethane acrylic resins, 15~30 parts of trifunctional fat
It is adoption urethane acrylate resin, 1~3 part of adhesion promoter, 1~3 part of the second light trigger, the 3rd of 35~65 parts the dilute
Release agent and 0.01~0.5 part of levelling agent.
Finish paint includes:15~20 parts of high function aliphatic polyurethane acrylic resin, 10~15 parts of trifunctional fat
Adoption urethane acrylate resin, 15~20 parts of silicone modified acrylic resin, 1~5 part of adhesion promoter, the of 1~5 part
Three light triggers, 30~60 parts of the 4th diluent and 0.2~2 part of levelling agent.
Under this condition, the properties of the coating of bis- laser carvings of 3D are more balanced, and performance is more excellent.
Further, the first diluent, the second diluent, the 3rd diluent and the 4th diluent are respectively selected from acetic acid second
One or more in ester, the diluent of acetic acid first, propylene glycol methyl ether acetate, butyl glycol ether and butanone.
First light trigger, the second light trigger and the 3rd light trigger include 1- hydroxy-cyciohexyls Benzophenone and/or 2,
4,6- trimethylbenzoy-dipheny phosphine oxides.
Further, adhesion promoter is acrylic resin or polyester modification polydimethylsiloxanes containing acrylic-functional
Alkane.
Another aspect of the present invention provides a kind of base material with metal and anodic oxidation effect, and substrate surface, which is provided with, to be applied
Layer, base material are metal or plastic rubber substrate, and coating includes colored paint layer, prime coat, the gold set gradually from the bottom to top from substrate surface
Belong to coating, middle enamelled coating and top coat layer, colored paint layer, prime coat, middle enamelled coating and top coat layer are respectively by the painting of above-mentioned bis- laser carvings of 3D
Paint coats corresponding to material.
Coating is provided with therefrom enamelled coating and carves the first carved region shown to prime coat downwards, by top coat layer in the first carved region
Filling, the top layer of top coat layer corresponds to is provided with the second carved region at the first carved region.
Present invention also offers a kind of preparation method of the base material with metal and anodic oxidation effect, including following step
Suddenly:
Obtain the coating of above-mentioned bis- laser carvings of 3D, substrate surface be made successively colored paint layer, prime coat, the coat of metal and
Middle enamelled coating.
Carved downwards in the predeterminable area of protective paint layer, middle enamelled coating, the coat of metal corresponding to removal predeterminable area, expose bottom
Enamelled coating, form carved region.
In middle enamelled coating and carved region coating finish paint, ultra-violet curing forms top coat layer to levelling again.
Correspond to that to carry out superficial face at carved region overwrought on the top layer of top coat layer, obtain overwrought area, obtain imitative anodic oxidation with
The coating of CNC effects.
Predeterminable area is the profile for being intended to be formed pattern in substrate surface, in colored paint layer, prime coat, the coat of metal, middle paint
After layer coats completion successively, carved downwards on middle enamelled coating, remove the middle enamelled coating and the coat of metal in contour area until bottom
Enamelled coating, the profile for undercuting pattern form carved region.Due to not adding pigment in priming paint, prime coat is hyaline layer, will not be to color
Enamelled coating is formed and blocked, therefore prime coat corresponding to preset areas removes without carving.On carved region and the non-carved region of middle enamelled coating
Finish paint is coated, is filled in carved region by finish paint.
Alternatively, the preparation method of each layer is in coating:
Colored paint is sprayed on base material, application thickness is 6~8 μm, and levelling 10~15 minutes at 70~80 DEG C.
The spray-applied primer on colored paint layer, 20~25 μm of application thickness, and at 50~60 DEG C levelling 5~8 minutes and 700~
1000mJ/cm2Energy under solidify.
The vacuum coating on prime coat.And painted in being sprayed on the coat of metal, 3~6 μm of application thickness, and at 60~70 DEG C
Lower levelling 5~8 minutes and 300~600mJ/cm2Energy under solidify.
20~25 μm of the application thickness of finish paint, levelling 5~8 minutes and 900~1300mJ/cm at 60~70 DEG C2Energy
Amount is lower to be solidified.
The engraving and superficial face carve of predeterminable area use laser carving.
When coating colored paint, for colored paint using Hydroxylated acrylic resin, this resinoid needs higher temperature just competent
It is dry complete, but our base material can only typically be baked to 80 degree, be possible to deform more than this temperature base material.Therefore temperature is excellent
Elect 70~80 DEG C as.The thickness of colored paint is preferably 6-8um simultaneously, because thickness is too thin, colored paint does not embody its texture, film
Thickness is too thick to be influenceed to test.Meanwhile colored paint is using Hydroxylated acrylic resin, so colored paint need not carry out UV-curing
Change.
When coating priming paint, baking temperature is too high, causes priming paint to be possible to sting and bite colored paint, causes the color change of colored paint,
Influence coats effect, and too low curing rate is slow, and effect is bad, therefore temperature is preferably 50~60 DEG C.The coating thickness of priming paint is
20~25um, it is ensured that compare levelling and richness that priming paint has had.The solidification energy of priming paint is 700~1000mJ/cm2,
As being less than the energy, priming paint, which can solidify, not exclusively causes test result bad, priming paint can be caused to be hardened higher than this energy, metal
The corrosive power of coating is deteriorated, and it is combined bad with priming paint, causes hundred lattice test failures.
When coating middle paint, the baking temperature of middle paint typically uses 60~70 DEG C, because this temperature solvents just can be relatively good
Volatilization it is complete.The coating thickness of middle paint is preferably 3~6um, and such as middle paint is too thick, and enamelled coating during laser carving is not easy carving thoroughly is too thin, flows
Flat effect is poor, without mirror effect, causes outward appearance poor.The solidification energy of middle paint is 300~600, is such as less than the energy, middle paint
Can solidify not exclusively causes test result bad, and really up to the mark, bad laser carving is painted as exceeded in this energy.
When coating finish paint, the baking temperature of finish paint typically uses 60~70 DEG C, and equally at such a temperature, solvent just can ratio
Preferably volatilization is complete.The solidification energy of finish paint is 900~1300, because exceeding this energy, topcoating cures too thoroughly can hundred
Lattice test performance is deteriorated.
The present invention provides colored paint as 2K types coating, it is necessary to which 70-80 temperature toasts 10-15 minutes, and UV priming paint needs 50-60 temperature
Degree baking 5-8 minutes, required solidification energy is 700~1000mJ/cm2;Paint needs 60-70 temperature to toast 5-8 minutes in laser carving,
Required solidification energy is 300~600mJ/cm2;UV finish paints need 60-70 temperature to toast 5-8 minutes, and required solidification energy is 900
~1300mJ/cm2;Corresponding energy is provided by uviol lamp.Ultraviolet source is relatively common at present a mercury-arc lamp, metal halid lamp,
Non-polarized lamp, the ultraviolet source that this paper institutes invention coating uses is mercury-arc lamp.
Further, the thickness of the coat of metal is 20~40nm, and the material of the coat of metal is aluminium, indium or silver-tin alloy.
Various types of resins herein is known corresponding resin, used in embodiment hereof two functional acrylate monomers for
Tripropylene glycol diacrylate, trifunctional acrylate monomer are trimethylolpropane trimethacrylate.High function referred to herein
For with 6 degrees of functionality, 9 degrees of functionality, 12 degrees of functionality, any degree of functionality of 15 degrees of functionality polyurethane prepolymer.
Embodiment
In following examples, the Hydroxylated acrylic resin for colored paint is purchased from Taiwan high point chemical industry.
For two functional aliphatic's polyurethane acrylic resins of paint, UV finish paints in UV priming paint, laser carving, two functional epoxies third
Olefin(e) acid resin, trifunctional aliphatic polyurethane acrylic resin, high function aliphatic polyurethane acrylic resin are husky purchased from the U.S.
Duo Ma companies and Qing Te companies of the U.S. and Taiwan Changxing chemistry;
Two functional acrylate monomers' model EM222;Trifunctional acrylate monomer model EM232;Above monomer
It is purchased from Taiwan Changxing chemistry.
Alpha-hydroxy phenylcyclohexyl ketone model Irgacure 184 is purchased from Ciba companies of Switzerland, 2,4,6- in light trigger
Trimethyl benzoyl diphenyl base phosphine oxide model Darocur TPO are purchased from Ciba companies of Switzerland.
Anti-settling agent model 6900-20X is purchased from Japanese Di Sibalong.
Adhesion promoter is phosphoric acid modification trifunctional official's acid fat, and model CD9051 is purchased from Sartomer of the U.S..
In auxiliary agent, levelling agent be polyether-modified dimethyl polysiloxane copolymer, acrylic polyester modified polyorganosiloxane or
Polyester modification dimethyl silicone polymer containing acrylic-functional, it is purchased from German BYK companies.
Diluent ethyl acetate, butyl acetate, propylene glycol methyl ether acetate, butyl glycol ether, butanone are commercially available.
Equipment is quick runner mixer used by the preparation of coating used in each embodiment, and quick runner mixer is also named
High speed dispersor, its is relatively simple for structure, be one can be by the high-speed rotation axle of hydraulic means oscilaltion, the lower end of axle
Equipped with a disc-shaped impeller that is horizontal positioned and being rotated with axle, when quick runner mixer operate, disperse materials (including set
Fat, diluent, auxiliary agent, pigment, filler) fiercely advance along the centrifugal direction of impeller, be flushed to a barrel wall, and up and down reflux to impeller
Middle part, whirlpool is formed, produce impact and shearing force, reach the purpose of wetting and dispersion paints and pigment.
Said below with the coating of bis- laser carvings of application 3D on mouse, acquisition exemplified by there is metal and anodic oxidation effect
It is bright, each embodiment sample coated solidified method:
(a) colored paint made from embodiment 1~10 is sprayed on the top surface of mouse, application thickness is 6~8um, and 75 DEG C red
Levelling 10-15 minutes under outer light irradiation.
(b) ultraviolet cured primer, application thickness 20-25um are sprayed on colored paint, 50 DEG C of infrared light irradiations flow down flat 5-8
Minute, 700~1000mJ/cm2Energy-curable.
And then vacuum coating (c).
(d) spray in vacuum coating and painted in laser carving, application thickness 3-6um, 60 DEG C of infrared light irradiations flow down flat 5-8 points
Clock, 300~600mJ/cm2Energy-curable.
(e) first time laser carving is carried out, removes middle enamelled coating of the mouse top surface in addition to edge, film plating layer to prime coat.
(d) UV finish paints, 20~25um of application thickness are sprayed again, 60 DEG C of infrared light irradiations flow down flat 5-8 minutes, 900~
1300mJ/cm2Energy-curable.
(e) and then on finish paint part of the mouse top surface in addition to edge carries out second of laser carving, the mouse after being handled
Mark.
The parts by weight of each composition in the embodiment 1 of table 1
Wherein silver powder A is 10~12nm aluminium powder, and silver powder B is 10~12nm aluminium powder.
The parts by weight of each composition in the embodiment 2 of table 2
The parts by weight of each composition in the embodiment 3 of table 3
The parts by weight of each composition in the embodiment 4 of table 4
The parts by weight of each composition in the embodiment 5 of table 5
The parts by weight of each composition in the embodiment 6 of table 6
The parts by weight of each composition in the embodiment 7 of table 7
The parts by weight of each composition in the embodiment 8 of table 8
Embodiment 9
The parts by weight of each composition in the embodiment 9 of table 9
The parts by weight of each composition in the embodiment 10 of table 10
Embodiment 1~10 prepares a full set of coating property test result and is shown in Table 11.
The embodiment 1~10 of table 11 prepares a full set of coating property test result
Vibrations wear-resisting test refers under high-frequency vibration, with the cone with sharp corners and triangle ceramic particle pair
Coating surface carries out continuous vibration friction and impact, it is desirable to which within a certain period of time, coating just calculates conjunction without the noticeable wear product that comes off
Lattice.
Vibrations wear-resisting test is that the reliability testing standard provided according to Huawei is tested herein, passes through R180/
530TE-30 types vibrations wear resistant instrument is tested.
Shaking wear-resisting experiment specific experiment step is:
1) 3 parts of RKF 10K (yellow cone) and 1 part of RKK15P (green icicle body) are prepared, about 15L, is added to and grinds altogether
In slot grinding.
2) pipette, extract FC120 4ml are used, and add water to add in grinding groove to 200ml, add 1L water to grinding groove
It is interior.
3) sample is put into, is checked once every 30min, and add 500ml water.It is more than hour to continue 2, observes sample table
Surface wear area be less than 1 square millimeter or gall regional diameter be then judged as less than 1 millimeter it is qualified.
In following examples, specimen in use weight is 175g when carrying out shaking wear-resisting experiment, such as specimen in use weight deficiency
After 175g reaches the weight by increasing heavy burden, then carry out shaking wear-resisting experiment.Criterion such as table 12.
The criterion of table 12
|
1 grade |
2 grades |
3 grades |
4 grades |
5 grades |
30 minutes |
PASS |
PASS |
NG |
NG |
NG |
60 minutes |
PASS |
PASS |
NG |
NG |
NG |
120 minutes |
PASS |
PASS |
PASS |
NG |
NG |
1 grade:Gloss disappears, no abrasion.
2 grades:Gloss disappears, and insulting line/vertex has point-like abrasion or discontinuous wire abrasion (being no more than 1mm*1mm), mill
Edge is damaged without obvious and continuous sawtooth.Remaining position is without abrasion.
3 grades:Gloss disappears, and insults the continuous wire abrasion of line/vertex, frayed edges are without obvious and continuous sawtooth.Its remaining part
Position is without abrasion.
4 grades:Gloss disappears, and insults the continuous wire abrasion of line/vertex, and frayed edges have obvious sawtooth or irregular de-
Fall.Wear the position that comes off and be significantly wider than icepro side.
5 grades:Gloss disappears, and insults line/vertex sheet abrasion, wears the position that comes off and is significantly wider than icepro side.
From table 11, the coating that is prepared in embodiment 6, properties are optimal.Coating wherein in embodiment 6 applies
The mouse of dress, make mouse that there is metal and anodic oxidation effect, as shown in Figure 1.
Embodiment 2 is that the addition for increasing Hydroxylated acrylic resin on the basis of embodiment 1 falls hundred lattice to improve colored paint
The problem of.
Embodiment 3 is to reduce by two functional aliphatic's polyurethane propylene inside UV base paint formulations on the basis of embodiment 2
The ratio of acid resin, two functional epoxy's acrylic resin ratios are improved to improve boiling.
Embodiment 4 is to improve two functional aliphatic's polyurethane acroleic acids inside middle paint formula on the basis of embodiment 3
The ratio of resin, the carving for reducing the ratio of trifunctional aliphatic polyurethane acrylic resin to paint in ensureing.
Embodiment 5 is to improve the ratio of silicone modified acrylic resin inside UV topcoat formulations on the basis of embodiment 4
To ensure the carving of finish paint.
Embodiment 6 is to improve high function aliphatic polyurethane propylene inside UV topcoat formulations on the basis of embodiment 5
The ratio of acid resin, the ratio for reducing trifunctional aliphatic polyurethane acrylic resin improve vibrations wearability.
Embodiment 7 is that the ratio of component in each paint is adjusted on the basis of embodiment 6 to verify the addition scope of each component.
Embodiment 8 is that the ratio of component in each paint is adjusted on the basis of embodiment 6 to verify the addition scope of each component.
The ratio of component in each paint is adjusted in embodiment 9 to verify the addition scope of each component;
The ratio of component in each paint is adjusted in embodiment 10 to verify the addition scope of each component.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.