阅读说明：本技术 真空电镀uv固化底漆及其制备方法和应用 (Vacuum plating UV solidifies priming paint and its preparation method and application ) 是由 卢志林 王卫国 吕国强 缪培凯 凌云剑 符饶生 杨波 于 2019-08-29 设计创作，主要内容包括：本发明公开了一种真空电镀UV固化底漆及其制备方法和应用漆,一种真空电镀UV固化底漆,包括：以重量份计,低官能度丙烯酸酯8～30份,活性稀释剂3～12份,环氧丙烯酸酯10～30份,助剂0.01～0.5份,光引发剂2～3份,有机环保溶剂40～60份；低官能度丙烯酸酯采用官能度为1～4的脂肪族聚碳酸酯丙烯酸酯；环氧丙烯酸酯采用官能度为1～4的改性环氧丙烯酸酯。本发明的真空电镀UV固化底漆,低官能度丙烯酸酯、活性稀释剂和环氧丙烯酸酯作为主要的成膜物质,活性稀释剂可以将两种预聚物中和,并使两种不同分子结构的预聚物迅速交联在一起形成交联的网络结并固化成膜,实现高流平和高遮盖力及上镀性良好的真空电镀UV固化底漆。(The invention discloses a kind of vacuum plating UV solidification priming paint and its preparation method and application paints, a kind of vacuum plating UV solidification priming paint, it include: in parts by weight, 8~30 parts of low degree of functionality acrylate, 3~12 parts of reactive diluent, 10~30 parts of epoxy acrylate, 0.01~0.5 part of auxiliary agent, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent；Low degree of functionality acrylate use degree of functionality for 1~4 fatty poly-ester carbonate acrylate；Epoxy acrylate use degree of functionality for 1~4 modified epoxy acrylic ester.Vacuum plating UV of the invention solidifies priming paint, low degree of functionality acrylate, reactive diluent and epoxy acrylate are as main film forming matter, reactive diluent can neutralize two kinds of prepolymers, and make the prepolymer of two kinds of different molecular structures is crosslinked together rapidly to form the network knot being crosslinked and film-forming, realize high levelling and high covering power and the good vacuum plating UV solidification priming paint of upper plating property.)

1. a kind of vacuum plating UV solidifies priming paint characterized by comprising in parts by weight,

8~30 parts of low degree of functionality acrylate, 3~12 parts of reactive diluent, 10~30 parts of epoxy acrylate, auxiliary agent 0.01~ 0.5 part, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent；

The low degree of functionality acrylate use degree of functionality for 1~4 fatty poly-ester carbonate acrylate；

The epoxy acrylate use degree of functionality for 1~4 modified epoxy acrylic ester.

2. vacuum plating UV according to claim 1 solidifies priming paint characterized by comprising in parts by weight,

10~15 parts of low degree of functionality acrylate, 3~6 parts of reactive diluent, 20~25 parts of epoxy acrylate, auxiliary agent 0.01~ 0.5 part, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent.

3. vacuum plating UV according to claim 1 solidifies priming paint characterized by comprising in parts by weight,

25~30 parts of low degree of functionality acrylate, 8~12 parts of reactive diluent, 10~15 parts of epoxy acrylate, auxiliary agent 0.01 ~0.5 part, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent.

4. vacuum plating UV according to claim 1 solidifies priming paint characterized by comprising in parts by weight,

8~10 parts of low degree of functionality acrylate, 3~6 parts of reactive diluent, 25~30 parts of epoxy acrylate, auxiliary agent 0.01~ 0.5 part, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent.

5. vacuum plating UV according to any one of claims 1 to 4 solidifies priming paint, which is characterized in that

The low degree of functionality acrylate uses two degree of functionality fatty poly-ester carbonate acrylate；

The viscosity of the two degrees of functionality fatty poly-ester carbonate acrylate is 3500cps~5000cps.

6. vacuum plating UV according to any one of claims 1 to 4 solidifies priming paint, which is characterized in that

The reactive diluent is using the third oxidation neopentyl glycol dipropyl dilute acid ester and/or trimethylolpropane trimethacrylate.

7. vacuum plating UV according to any one of claims 1 to 4 solidifies priming paint, which is characterized in that

The epoxy acrylate uses two degree of functionality modified epoxy acrylic esters；

The viscosity of the two degrees of functionality modified epoxy acrylic ester is 2 × 10⁵Cps~3.5 × 10⁵cps；

The epoxy acrylate epoxy modified using bisphenol A epoxy acrylate, aliphatic epoxy acrylate, acrylic acid Modified one or more of the epoxy propylene acid esters of propylene acid esters, methacrylate.

8. vacuum plating UV according to any one of claims 1 to 4 solidifies priming paint, which is characterized in that

The photoinitiator uses 2,4,6- trimethylbenzoy-dipheny phosphorous oxide, 2- hydroxy-2-methyl -1- phenyl -1- One or more of acetone, 1- hydroxy-cyclohexan alkyl-phenyl ketone, benzophenone；

The organic environmental-protection solvent uses one of cyclohexanone, methylisobutylketone, ethyl acetate, butyl acetate, butanone or several Kind.

9. the preparation method that a kind of vacuum plating UV as claimed in any one of claims 1 to 8 solidifies priming paint, which is characterized in that

S1, low degree of functionality acrylate and epoxy acrylate are preheated, and part organic environmental-protection solvent mixed dissolution, forms the One mixed liquor；

Reactive diluent and photoinitiator is added in the first mixed liquor in S2, Xiang Suoshu step S1, and stirring forms the second mixing Liquid；

Auxiliary agent and remaining organic environmental-protection solvent is added in the second mixed liquor in S3, Xiang Suoshu step S2, stirs, and filters, and obtains The vacuum plating UV solidifies priming paint.

10. a kind of vacuum plating UV as claimed in any one of claims 1 to 8 solidifies priming paint in the application on plastic basis material surface, Characterized by comprising the following steps:

Vacuum plating UV solidification priming paint is painted on plastic basis material surface, is heated, UV solidification obtains vacuum plating primer film.

Technical field

The present invention relates to technical field of coatings, particularly, are related to a kind of vacuum plating UV solidification priming paint.In addition, of the invention Further relate to a kind of preparation method and application for solidifying priming paint including above-mentioned vacuum plating UV.

Background technique

Currently, with social continuous progress, the continuous improvement of living standards of the people, various electronics or electric equipment products, change Cosmetic packaging, digital camera, laptop, mobile phone, camera, MP3, MP4, electric toothbrush, intelligent sound etc. is extensively Applied in daily life.The shell of these products is made of plastics or plastic material mostly, in order to increase outside product The diversification of sight keeps product more attractive proper, needs in substrate surface sprayed coating and play the effect of decoration, and without coating The product of protection, external environment can cause a degree of corrosivity to the shell of product, influence the beauty of product and use the longevity Life.

Vacuum coating technology (PVD) is the plated film that the surface of solids is coated to one layer of property using physics, chemical means, To make the performances such as wear-resistant workpiece surface, high temperature resistant, rotproofness, anti-oxidant, radiation protection, conduction, magnetic conduction, insulation and decoration obtain To being potentiated and enhanced.The general way of vacuum coating is first to spray one layer of priming paint in workpiece surface, then be electroplated.With vacuum coating Horizontal raising, also increasingly improves the scratch resistance wear-resisting property of ultraviolet-curing paint, existing ultraviolet-curing paint Scratch resistance and wear-resisting property are no longer satisfied current vacuum coating needs, also, existing mobile phone battery cover material or hand Machine frame material is often all relatively thin and easily snaps off, so that paint film cracking, stream parallel error after spraying, hand feel performance decline, from And the performance of gained workpiece surface film is affected, reduce the service life of product.

Summary of the invention

The present invention provides a kind of vacuum plating UV solidification priming paint and its preparation method and application, to solve to be used for Vacuum Deposition Levelling effect is poor after the surface filming of the coating of film, bends the technical issues of being easy cracking.

The technical solution adopted by the invention is as follows:

A kind of vacuum plating UV solidification priming paint, comprising: in parts by weight, 8~30 parts of low degree of functionality acrylate is active dilute Release 3~12 parts of agent, 10~30 parts of epoxy acrylate, 0.01~0.5 part of auxiliary agent, 2~3 parts of photoinitiator, organic environmental-protection solvent 40~60 parts；Low degree of functionality acrylate use degree of functionality for 1~4 fatty poly-ester carbonate acrylate；Epoxy acrylic Ester use degree of functionality for 1~4 modified epoxy acrylic ester.

Further, comprising: in parts by weight, 10~15 parts of low degree of functionality acrylate, 3~6 parts of reactive diluent, ring 20~25 parts of oxypropylene acid esters, 0.01~0.5 part of auxiliary agent, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent.

Further, comprising: in parts by weight, 25~30 parts of low degree of functionality acrylate, 8~12 parts of reactive diluent, 10~15 parts of epoxy acrylate, 0.01~0.5 part of auxiliary agent, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent.

Further, comprising: in parts by weight, 8~10 parts of low degree of functionality acrylate, 3~6 parts of reactive diluent, ring 25~30 parts of oxypropylene acid esters, 0.01~0.5 part of auxiliary agent, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent.

Further, low degree of functionality acrylate uses two degree of functionality fatty poly-ester carbonate acrylate；Two degrees of functionality The viscosity of fatty poly-ester carbonate acrylate is 3500cps~5000cps.

Further, reactive diluent is using the third oxidation neopentyl glycol dipropyl dilute acid ester and/or trimethylolpropane tris third Olefin(e) acid ester.

Further, epoxy acrylate uses two degree of functionality modified epoxy acrylic esters；Two degree of functionality modified epoxies third The viscosity of olefin(e) acid ester is 2 × 10⁵Cps~3.5 × 10⁵cps；Epoxy acrylate includes bisphenol A epoxy acrylate, aliphatic One of modified epoxy propylene acid esters of the modified epoxy propylene acid esters of epoxy acrylate, acrylic acid, methacrylate or It is several.

Further, photoinitiator uses 2,4,6- trimethylbenzoy-dipheny phosphorous oxides (TPO), 2- hydroxyl -2- One or more of methyl-1-phenyl-1- acetone (HMPF), 1- hydroxy-cyclohexan alkyl-phenyl ketone, benzophenone (BP)；Have Machine environmentally friendly solvent uses cyclohexanone (CYC), methylisobutylketone (MIBK), ethyl acetate (EAC), butyl acetate (BAC), butanone One or more of (MEK).

According to another aspect of the present invention, a kind of preparation method for solidifying priming paint such as above-mentioned vacuum plating UV is additionally provided, S1, low degree of functionality acrylate and epoxy acrylate are preheated, with part organic environmental-protection solvent mixed dissolution, it is mixed forms first Close liquid；Reactive diluent and photoinitiator is added in S2, the first mixed liquor into step S1, and stirring forms the second mixed liquor； Auxiliary agent and remaining organic environmental-protection solvent is added in S3, the second mixed liquor into step S2, stirs, and filtering obtains vacuum plating UV solidifies priming paint.

Further, the preheating temperature of step S1 is 45 DEG C~55 DEG C, and preheating time is 45min~90min；In step S2 The temperature of stirring is 40 DEG C~50 DEG C, and the time of stirring is 20min~30min, and the revolving speed of stirring is 500 revs/min~600 Rev/min；The time stirred in step S3 is 10min~20min, and the revolving speed of stirring is 900 revs/min~1200 revs/min； Filtering uses 300 mesh~500 mesh screens or filter-cloth filtering.

According to another aspect of the present invention, it additionally provides a kind of if above-mentioned vacuum plating UV solidification priming paint is in plastic basis material table The application in face, comprising the following steps: vacuum plating UV solidification priming paint is painted on plastic basis material surface, is heated, UV is solid Change, obtains vacuum plating primer film.

Further, it is 20 μm~25 μm that vacuum plating UV, which solidifies priming paint to be sprayed on the coating film thickness on plastic basis material surface,； Heating is flowed down flat 5min~10min using 45 DEG C~55 DEG C of infrared light irradiation；The cured solidification of UV can be 600mJ/cm²~ 1000mJ/cm²。

The invention has the following advantages:

Vacuum plating UV of the invention solidifies priming paint, low degree of functionality acrylate, reactive diluent and epoxy acrylate As main film forming matter, reactive diluent can be neutralized two kinds of prepolymers, and make the pre-polymerization of two kinds of different molecular structures Object is crosslinked together rapidly to form the network knot being crosslinked and film-forming, realizes that high levelling and high covering power and upper plating property are good Vacuum plating UV solidifies priming paint.Also, in vacuum plating UV solidification priming paint of the invention, height mostly less using number of functional groups Polymers, the common feature of this substance are that flexibility is good, and smooth plane can be provided for vacuum coating by using as priming paint.This Outside, low degree of functionality acrylate use energy degree for 1~4 fatty poly-ester carbonate acrylate, due to its own molecular structure The middle phenyl ring that there is soft carbonate group and rigidity makes vacuum plating UV solidify priming paint molecular structure and show and tempers toughness with gentleness Characteristic, low degree of functionality acrylate can have preferable zygosity with electroplated layer, and the adhesive force with plastic layer can be improved, While the and characteristics such as mechanical strength with higher, tensile strength, bending strength, elongation, rigidity, functionality, heat resistance.Ring The plumpness of oxypropylene acid esters appearance with higher, strong covering power, heat resistance is good, and cost is relatively low.

Vacuum plating UV of the invention solidifies priming paint, it is only necessary to which two kinds of resins can reach excellent upper plating, folding Curved property, water boiling resistance performance, high levelling effect and anti-vibration wear-resisting test performance, reduce production cost.

Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention. The present invention is further detailed explanation below.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.Below in conjunction with embodiment, the present invention will be described in detail.

The vacuum plating UV of the present embodiment solidifies priming paint, comprising: in parts by weight, 8~30 parts of low degree of functionality acrylate, 3~12 parts of reactive diluent, 10~30 parts of epoxy acrylate, 0.01~0.5 part of auxiliary agent, 2~3 parts of photoinitiator, You Jihuan Protect 40~60 parts of solvent；Low degree of functionality acrylate use degree of functionality for 1~4 fatty poly-ester carbonate acrylate；Epoxy Acrylate use degree of functionality for 1~4 modified epoxy acrylic ester.Vacuum plating UV of the invention solidifies priming paint, low function Acrylate, reactive diluent and epoxy acrylate are spent as main film forming matter, and reactive diluent can be pre- by two kinds Polymers neutralizes, and makes the prepolymer of two kinds of different molecular structures is crosslinked together rapidly to form the network knot being crosslinked and be solidified into Film realizes high levelling and high covering power and the good vacuum plating UV solidification priming paint of upper plating property.Also, vacuum plating of the invention UV solidifies in priming paint, and high polymer mostly less using number of functional groups, the common feature of this substance is that flexibility is good, the bottom of as Paint for vacuum coating using can provide smooth plane.In addition, low degree of functionality acrylate use energy degree for 1~4 aliphatic Polycarbonate acrylic ester makes vacuum electric due to there is the phenyl ring of soft carbonate group and rigidity in its own molecular structure Plating UV solidifies priming paint molecular structure and shows the characteristic tempered toughness with gentleness, and low degree of functionality acrylate can have preferable with electroplated layer Zygosity, and the adhesive force with plastic layer can be improved, while mechanical strength with higher, tensile strength, bending resistance are strong again The characteristics such as degree, elongation, rigidity, functionality, heat resistance.The plumpness of epoxy acrylate appearance with higher, covering power By force, heat resistance is good, and cost is relatively low.

The above-mentioned vacuum plating UV solidification selected prepolymer of priming paint is organic compound with unsaturated double-bond, can be Overlapped the Multiple Bonds constituted between two atoms with two share electron pairs can be formed when polymerization reaction.Two atom shapes After a σ key, also respectively there are not pairs of p electronics, the overlapped formation pi bond of p electronics, σ+π group is collectively referred to as double bond, double bond It engages to form fine and close compound with the atom after the metallics gasification in vacuum plating.In addition, low degree of functionality acrylate All contain active functional group group with epoxy acrylate: redox reaction, substitution reaction can occur for carboxyl and hydroxyl, can be with Suction-operated occurs with the metallic atom after gasification under vacuum conditions, and with higher based on vacuum plating UV solidification priming paint Levelability, the surface for being attached to paint film that can be more smooth by the metallic atom after gasification.Above-mentioned vacuum plating UV solidifies priming paint, Only need two kinds of resins that can reach excellent upper plating, bend-resistance, water boiling resistance performance, high levelling effect and anti-vibration resistance to Test performance is ground, production cost is reduced.

Perpendicular spray mode can be used in above-mentioned vacuum plating UV solidification priming paint.Perpendicular spray is one kind of Automatic production line spraying, erects spray Only the installation direction of product clamper it is different and with Automatic production line is generally divided to two kinds of spray of perpendicular spray peace, erects the difference of spray peace spray The different promotion for being production capacity can only install a product using the flat general fixture of spray and be sprayed, and using perpendicular spray is one As multiple products can be installed on a fixture simultaneously and sprayed, flat spray is easy to oil, and construction is easier to, and perpendicular spray is not easy It oils, and is easy sagging in spraying, mainly paint is before UV lamp irradiation solidification, due to hanging spraying so that paint exists Side, there is the phenomenon that flowing downward in the paint film of formation, and the product paint of flat spray is above so there is no flow downward The phenomenon that, lead to the more difficult control of the levelling effect on surface.Vacuum plating UV solidifies priming paint, based on two kinds of pre-polymerizations with levelling Effect and sag resistance energy, and it is excellent by reasonably formula to be more focused on sag resistance, therefore even if using perpendicular spray mode, It can achieve good paint film property.

In the present embodiment, comprising: in parts by weight, 10~15 parts of low degree of functionality acrylate, 3~6 parts of reactive diluent, 20~25 parts of epoxy acrylate, 0.01~0.5 part of auxiliary agent, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent.It is above-mentioned 10~15 parts of low degree of functionality acrylate, 3~6 parts of reactive diluent, 20~25 parts of epoxy acrylate, three main film forming Substance proportion determines that vacuum plating UV solidifies the upper plating of priming paint, i.e. vacuum plating UV solidifies the coating after priming paint and Metal gasification Adherence.It is excellent that the vacuum plating UV cured base of this value range paints plating property.

In the present embodiment, comprising: in parts by weight, 25~30 parts of low degree of functionality acrylate, reactive diluent 8~12 Part, 10~15 parts of epoxy acrylate, 0.01~0.5 part of auxiliary agent, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent. It is excellent that the vacuum plating UV cured base of this value range paints plating property.

In the present embodiment, comprising: in parts by weight, 8~10 parts of low degree of functionality acrylate, 3~6 parts of reactive diluent, 25~30 parts of epoxy acrylate, 0.01~0.5 part of auxiliary agent, 2~3 parts of photoinitiator, 40~60 parts of organic environmental-protection solvent.This model Enclose value vacuum plating UV cured base paint plating property it is excellent.

In the present embodiment, low degree of functionality acrylate uses two degree of functionality fatty poly-ester carbonate acrylate.Two functions Fatty poly-ester carbonate propylene acid esters have with electroplated layer zygosity it is good, it is excellent with the adhesive force of plastic layer so that vacuum electric Plating UV solidifies the water resistance of the paint film of priming paint formation, toughness buckle resistance can be significant, so that the zygosity of metal layer and prime coat It is stronger.Preferably, under the conditions of at 30 DEG C, the viscosity of two degree of functionality fatty poly-ester carbonate acrylate be 3500cps~ 5000cps.It is 3500cps~5000cps that above-mentioned degree of functionality fatty poly-ester carbonate acrylate, which selects viscosity, can both be guaranteed Vacuum plating UV solidification priming paint is sprayed on substrate surface and forms good covering power, and levelability and the anti-current of paint film can be improved Extension property.When viscosity is lower than 3500cps, covering power is poor, and sag resistance reduces.When viscosity is higher than 5000cps, sag resistance Increase, but covering power and levelability are deteriorated.

In the present embodiment, reactive diluent is using the third oxidation neopentyl glycol dipropyl dilute acid ester and/or trimethylolpropane tris Acrylate.Above-mentioned reactive diluent participates in photocuring reaction as response type monomer, adjusts crosslinking journey of the paint film when solidifying Degree improves the performance indexes of reaction rate and paint film.

In the present embodiment, epoxy acrylate uses two degree of functionality modified epoxy acrylic esters.Above-mentioned epoxy acrylate Using two degree of functionality modified epoxy acrylic esters, on the one hand, two degree of functionality modified epoxy acrylic esters can reduce processing cost, On the other hand, two degree of functionality modified epoxy acrylic esters further increase cross-linking reaction rate, enhance paint film levelability and appearance Plumpness, also further enhance the upper plating of paint film.Therefore, two degree of functionality modified epoxy acrylic esters have covering power good, It is at low cost, the characteristics such as heat resistance stabilization.Preferably, under the conditions of 25 DEG C, the viscosity of two degree of functionality modified epoxy acrylic esters It is 2 × 10⁵Cps~3.5 × 10⁵cps.Above-mentioned two degrees of functionality modified epoxy acrylic ester viscosity control is 2 × 10⁵Cps~3.5 ×10⁵Between cps, control vacuum plating UV solidifies the paint film system viscosity of priming paint, further increases paint film levelability.It is preferred that Ground, epoxy acrylate include bisphenol A epoxy acrylate, aliphatic epoxy acrylate, the epoxy propylene of acrylic acid modification Modified one or more of the epoxy propylene acid esters of acid esters, methacrylate.It is resistance to that bisphenol A epoxy acrylate can increase paint film Hot, the aliphatic modified yellowing resistance that can increase paint film, acrylic acid modified epoxy propylene acid esters and methacrylate Modified epoxy propylene acid esters can be different degrees of increase paint film hardness.

Above-mentioned degree of functionality refers to the number of unsaturated double-bond in acrylate group contained by polymer or activated monomer.

In the present embodiment, photoinitiator uses 2,4,6- trimethylbenzoy-dipheny phosphorous oxides (TPO), 2- hydroxyl- One or more of 2- methyl-1-phenyl-1- acetone (HMPF), 1- hydroxy-cyclohexan alkyl-phenyl ketone, benzophenone (BP). Organic environmental-protection solvent uses cyclohexanone (CYC), methylisobutylketone (MIBK), ethyl acetate (EAC), butyl acetate (BAC), butanone One or more of (MEK).

According to another aspect of the present invention, a kind of preparation method for solidifying priming paint such as above-mentioned vacuum plating UV is additionally provided, S1, low degree of functionality acrylate and epoxy acrylate are preheated, with part organic environmental-protection solvent mixed dissolution, it is mixed forms first Close liquid；Reactive diluent and photoinitiator is added in S2, the first mixed liquor into step S1, and stirring forms the second mixed liquor； Auxiliary agent and remaining organic environmental-protection solvent is added in S3, the second mixed liquor into step S2, stirs, and filtering obtains vacuum plating UV solidifies priming paint.The present invention states the preparation method that vacuum plating UV solidifies priming paint, and preparation process is simple, and operation is easy, cost Cheap, effect stability, properties of product are good, are suitble to large-scale industrial production.The vacuum plating UV solidification priming paint being prepared Solidification is quickly and with good wearability, resistance to soiling, water boiling resistance performance, and bending resistance, glossiness is high, and volatility is low, stream Levelling is good, is that the vacuum plating UV of environment-friendly type solidifies priming paint.

In the present embodiment, the preheating temperature of step S1 is 45 DEG C~55 DEG C, and preheating time is 45min~90min.Step S2 The temperature of middle stirring is 40 DEG C~50 DEG C, and the time of stirring is 20min~30min, and the revolving speed of stirring is 500 revs/min~600 Rev/min.The time stirred in step S3 is 10min~20min, and the revolving speed of stirring is 900 revs/min~1200 revs/min； Filtering uses 300 mesh~500 mesh screens or filter-cloth filtering.The preheating temperature of above-mentioned steps S1 is 45 DEG C~55 DEG C, preheating time For 45min~90min, heating improves the reactivity that vacuum plating UV solidifies free radical in priming paint.Above-mentioned steps S2 and step Rapid S3 stirring technique, facilitates each component and is sufficiently mixed, be sprayed on plastic rubber substrate surface, form uniform coating.Due to applying Filling film thickness is 20 μm~25 μm, and the primer film of formation carries out vacuum plating again, to the requirement of environment and coating itself cleannes It is high, so improving coating cleannes and uniformity using 300 mesh~500 mesh screens or filter-cloth filtering, guarantee that production is good Rate.

According to another aspect of the present invention, it additionally provides a kind of if above-mentioned vacuum plating UV solidification priming paint is in plastic basis material table The application in face, comprising the following steps: vacuum plating UV solidification priming paint is painted on plastic basis material surface, is heated, UV is solid Change, obtains vacuum plating primer film.Above-mentioned vacuum plating UV solidification priming paint can be used for all kinds of common plastics materials, as PVC, PC, ABS etc., and the paint film formed has excellent upper plating, bend-resistance, water boiling resistance performance, high levelling effect and anti-vibration resistance to Grind test performance.

In the present embodiment, it is 20 μm~25 μ that vacuum plating UV, which solidifies priming paint to be sprayed on the coating film thickness on plastic basis material surface, m.Heating is flowed down flat 5min~10min using 45 DEG C~55 DEG C of infrared light irradiation.The cured solidification of UV can be 600mJ/cm²~ 1000mJ/cm².Above-mentioned solidification uses to be solidified under action of ultraviolet light, and for wave-length coverage in 200~400nm, solidification can be 600mJ/cm² ~1000mJ/cm², curing efficiency is high, consumes energy low, and curing rate is fast, and it is effective to shorten the operating time, improve working efficiency.

Paint and finishing coat in a kind of vacuum plating UV solidified paint, including above-mentioned vacuum plating UV solidification priming paint, UV solidification；True Vacuum coating is carried out on dummy plating primer film, and paint and finishing coat in UV solidification are sprayed in vacuum coating.It is above-mentioned at vacuum plating bottom Carry out vacuum coating on paint film, vacuum coating can be used vacuum electric and aluminize or nonconducting NCVM (indium, tin), and mating PVD is true Paint and finishing coat in dummy plating UV solidification, two painting effects can be realized by being painted on household electrical appliances and 3C electronic product.3C Product general performance is wanted It asks higher, is essentially all selection three Tu Xiaoguo (priming paint, middle paint, finishing coat), and the performance requirements such as household electrical appliances and craftwork are lower, are Cost-saving is typically all to select two to apply effect (priming paint and finishing coat).And priming paint is all for existing many NCVM (i.e. non-conductive plated film) The base paint formulation that single three apply and design can only be met, however the vacuum plating UV of this hair solidification priming paint can meet three Applying effect also can satisfy two painting effects.Above-mentioned vacuum plating UV solidification priming paint can be with paint and finishing coat knot in common UV solidification Close, using in such as CN201210332439.5 middle paint and finishing coat be can be directly used for.