CN102627922B - Protection film of paintwork for vehicle and preparation method thereof - Google Patents

Protection film of paintwork for vehicle and preparation method thereof Download PDF

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Publication number
CN102627922B
CN102627922B CN 201210074948 CN201210074948A CN102627922B CN 102627922 B CN102627922 B CN 102627922B CN 201210074948 CN201210074948 CN 201210074948 CN 201210074948 A CN201210074948 A CN 201210074948A CN 102627922 B CN102627922 B CN 102627922B
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carbamate
mass ratio
sensitive adhesive
adhesive layer
transparent film
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CN 201210074948
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CN102627922A (en
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张宇
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Zhongshan city Jintu Photoelectric Technology Co. Ltd.
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Nanjing University of Science and Technology Changshu Research Institute Co Ltd
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Abstract

The invention discloses a protection film of a paintwork for a vehicle. The protection film comprises a corrosion resisting layer, a transparent film base, a pressure sensitive adhesive layer and a release film layer, the corrosion resisting layer is arranged on the right side of the transparent film base, the pressure sensitive adhesive layer is arranged on the wrong side of the transparent film base, and the release film layer is composited to the external surface of the pressure sensitive adhesive layer. A preparation method of the protection film of the paintwork for the vehicle comprises the following steps: 1, uniformly coating the right side of the transparent film base to form the corrosion resisting layer; 2, uniformly coating the wrong side of the transparent film base to form the pressure sensitive adhesive layer; and 3, compositing the release film layer on the external surface of the pressure sensitive adhesive layer. The protection film of the paintwork for the vehicle of the invention has the advantages of avoiding of phenomena of foaming, shedding, curling and the like of present protection films in a long-time protection process, excellent weatherability possessing, and excellent salt mist protection effect possessing.

Description

Automobile lacquer surface protective film and preparation method thereof
Technical field
The present invention relates to a kind of automobile lacquer surface protective film and preparation method thereof, particularly a kind of lacquer painting protective membrane that car uses in the storage and transport process in outlet and preparation method thereof that is applicable to.
Background technology
Car general store and transportation in, adopt protective membrane to carry out lacquer painting protection, be one of antiultraviolet, anti-scratch, corrosion-resistant, oxidation resistant effective ways.But the outlet car is in storage and transport process, because marine site climatope complexity, a large amount of salt fogs in disperse in the air, and the chlorion in the salt fog can the penetrating metal protective membrane, disruptive oxidation film, thereby causes the spot corrosion of car lacquer painting deep layer.
China mainly adopts and protects the wax technology to the car protection of going abroad at present, but the method for coating protection wax exists complex process, removal difficulty, guard time than defectives such as weak points; And existing car paint surface protective film is in long-time transportation, and the basic unit of the anti-corrosion layer of protective membrane and the basic unit of protective membrane, protective membrane and car paint face foaming easily take place or phenomenon such as come off, and cause protective membrane can not protect the car lacquer painting effectively.
Summary of the invention
The objective of the invention is to overcome the problem that above-mentioned prior art exists; a kind of novel automobile lacquer painting protective membrane is provided; phenomenon such as avoid protective membrane to bubble and to come off makes protective membrane have good salt fog protection effect, saves a large amount of cars and is etched the expense that need reprocess because of lacquer painting.
Another object of the present invention provides a kind of preparation method of automobile lacquer surface protective film.
The technical solution that realizes the object of the invention is:
A kind of automobile lacquer surface protective film, comprise an anti-corrosion layer, a transparent film basic unit, a pressure-sensitive adhesive layer, a release rete, anti-corrosion layer is arranged at the front of transparent film basic unit, and described anti-corrosion layer is by prepolymer epoxy acrylate, urethane acrylate, carbamate, the reactive monomer tripropylene glycol diacrylate, stablizer 2,6-di-t-butyl cresylol, light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide is polymerized through UV-irradiation curing; Pressure-sensitive adhesive layer is arranged at the back side of transparent film basic unit, and described pressure-sensitive adhesive layer is to be polymerized through thermofixation by organic-silicon-modified adhesive for polyurethane; Release rete is compounded in the outside surface of pressure-sensitive adhesive layer.
Characterization step of the present invention is as follows:
A. the positive evenly coating in transparent film basic unit forms anti-corrosion layer;
B. evenly be coated with the formation pressure-sensitive adhesive layer at the back side of transparent film basic unit;
C. release rete is compounded in the outside surface of pressure-sensitive adhesive layer.
Anti-corrosion layer described in the step a prepares by following steps:
1. epoxy acrylate, urethane acrylate, carbamate are dissolved in the mixed solvent of toluene and butanone, stir;
2. under the lucifuge condition, with the reactive monomer tripropylene glycol diacrylate, stablizer 2,6-di-t-butyl cresylol, light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide add in the step 1 gained solution, continue to stir;
3. step 2 gained solution is uniformly coated on the front of transparent film basic unit, and puts into the UV photo solidification machine and be cured.
The mass ratio of the epoxy acrylate described in the step 1, urethane acrylate, carbamate is (4~6): (1~2): 1, and the mass ratio of mixed solvent and carbamate is (1~2): 1, wherein the mass ratio of toluene and butanone is 2: 1;
The mass ratio of the reactive monomer tripropylene glycol diacrylate described in the step 2 and carbamate is (2~4): 1, stablizer 2, the mass ratio of 6-di-t-butyl cresylol and carbamate is (0.4~0.8): 1, light trigger 2, the mass ratio of 4,6-trimethylbenzoyl diphenyl phosphine oxide and carbamate is (0.05~0.1): 1;
Be 10s~15s the set time described in the step 3, UV-irradiation intensity 1000W.
Step b and step c prepare by following steps:
Organic-silicon-modified urethane, methacrylic ester, hydroxyl manthanoate are added in the mixed solvent of toluene and butanone according to a certain percentage, stir, gained solution is uniformly coated on the back side of transparent film basic unit, film is put into baking oven, dry by the fire 10s down at 95 ℃, after the taking-up, release rete is compounded on the pressure-sensitive adhesive layer.
The present invention compared with prior art, its remarkable advantage is:
1. automobile lacquer surface protective film of the present invention has been avoided phenomenons such as existing protective membrane bubbles, comes off and curl in long-time protection process, has good weathering resistance;
2. this protective membrane surface has anti-corrosion layer, makes the outlet car in the sea-freight process, has good salt fog protection effect.
Description of drawings
Fig. 1 is automobile lacquer surface protective film structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Automobile lacquer surface protective film as shown in Figure 1, comprise transparent film basic unit 1, anti-corrosion layer 2, pressure-sensitive adhesive layer 3 and release rete 4, anti-corrosion layer 2 is arranged at the front of transparent film basic unit 1, and described anti-corrosion layer 2 is by prepolymer epoxy acrylate, urethane acrylate, carbamate, the reactive monomer tripropylene glycol diacrylate, stablizer 2,6-di-t-butyl cresylol, light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide is polymerized through UV-irradiation curing; Pressure-sensitive adhesive layer 3 is arranged at the back side of transparent film basic unit 1, and described pressure-sensitive adhesive layer 3 is to be polymerized through thermofixation by organic-silicon-modified adhesive for polyurethane; Release rete 4 is compounded in the outside surface of pressure-sensitive adhesive layer 3.
Embodiment 1
1, the positive evenly coating in transparent film basic unit 1 forms anti-corrosion layer 2.50g epoxy acrylate, 15g urethane acrylate, 10g carbamate are added in the mixed solvent of 10g toluene and 5g butanone composition, mechanical stirring is even under the normal temperature;
2, under the lucifuge condition, with 30g reactive monomer tripropylene glycol diacrylate, 6g stablizer 2,6-di-t-butyl cresylol, 0.8g light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide add in the step 1 gained solution, continue to stir;
3, step 2 gained solution is uniformly coated on the front of transparent film basic unit 1, and puts into the UV photo solidification machine and be cured, be 12s set time, UV-irradiation intensity 1000W.
4, urethane that 20g is organic-silicon-modified, 10g methacrylic ester, 5g hydroxyl manthanoate add in the 15g solvent toluene, stir, and gained solution is uniformly coated on the back side of transparent film basic unit 1, and film is put into baking oven, at 95 ℃ of baking 10s down; After the taking-up, release rete 4 is compounded on the pressure-sensitive adhesive layer 3.
Embodiment 2
1, the positive evenly coating in transparent film basic unit 1 forms anti-corrosion layer 2.60g epoxy acrylate, 20g urethane acrylate, 10g carbamate are joined in the mixed solvent of 13g toluene and 7g butanone composition, mechanical stirring is even under the normal temperature;
2, under the lucifuge condition, with 40g reactive monomer tripropylene glycol diacrylate, 8g stablizer 2,6-di-t-butyl cresylol, 1g light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide add in the step 1 gained solution, continue to stir;
3, step 2 gained solution is uniformly coated on the front of transparent film basic unit 1, and puts into the UV photo solidification machine and be cured, be 15s set time, UV-irradiation intensity 1000W.
4, urethane that 20g is organic-silicon-modified, 10g methacrylic ester, 5g hydroxyl manthanoate add in the 15g solvent toluene, stir, and gained solution is uniformly coated on the back side of transparent film basic unit 1, and film is put into baking oven, at 95 ℃ of baking 10s down; After the taking-up, release rete 4 is compounded on the pressure-sensitive adhesive layer 3.
Embodiment 3
1, the positive evenly coating in transparent film basic unit 1 forms anti-corrosion layer 2.40g epoxy acrylate, 10g urethane acrylate, 10g carbamate are joined in the mixed solvent of 20g toluene and 10g butanone composition, mechanical stirring is even under the normal temperature;
2, under the lucifuge condition, with 20g reactive monomer tripropylene glycol diacrylate, 4g stablizer 2,6-di-t-butyl cresylol, 0.5g light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide add in the step 1 gained solution, continue to stir;
3, step 2 gained solution is uniformly coated on the front of transparent film basic unit 1, and puts into the UV photo solidification machine and be cured, be 10s~15s set time, UV-irradiation intensity 1000W.
4, urethane that 20g is organic-silicon-modified, 10g methacrylic ester, 5g hydroxyl manthanoate add in the 15g solvent toluene, stir, and gained solution is uniformly coated on the back side of transparent film basic unit 1, and film is put into baking oven, at 95 ℃ of baking 10s down; After the taking-up, release rete 4 is compounded on the pressure-sensitive adhesive layer 3.
Be enlightenment with above-mentioned foundation desirable embodiment of the present invention, by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification sheets, must determine its technical scope according to the claim scope.

Claims (1)

1. automobile lacquer surface protective film, comprise an anti-corrosion layer (2), a transparent film basic unit (1), a pressure-sensitive adhesive layer (3), a release rete (4), it is characterized in that: anti-corrosion layer (2) is arranged at the front of transparent film basic unit (1), pressure-sensitive adhesive layer (3) is arranged at the back side of transparent film basic unit (1), and release rete (4) is compounded in the outside surface of pressure-sensitive adhesive layer (3); Described pressure-sensitive adhesive layer (3) is to be polymerized through thermofixation by organic-silicon-modified adhesive for polyurethane; Anti-corrosion layer (2) is by prepolymer epoxy acrylate, urethane acrylate, carbamate; the reactive monomer tripropylene glycol diacrylate; stablizer 2; 6-di-t-butyl cresylol; light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide; be polymerized through the curing of UV UV-irradiation, its preparation process is as follows:
Step 1, epoxy acrylate, urethane acrylate, carbamate are dissolved in the mixed solvent of toluene and butanone, stir; Wherein, the mass ratio of described epoxy acrylate, urethane acrylate, carbamate is (4~6): (1~2): 1, and the mass ratio of mixed solvent and carbamate is (1~2): 1, wherein the mass ratio of toluene and butanone is 2: 1;
Step 2, under the lucifuge condition, with the reactive monomer tripropylene glycol diacrylate, stablizer 2,6-di-t-butyl cresylol, light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide add in the step 1 gained solution, continue to stir; Wherein, the mass ratio of described reactive monomer tripropylene glycol diacrylate and carbamate is (2~4): 1, stablizer 2, the mass ratio of 6-di-t-butyl cresylol and carbamate is (0.4~0.8): 1, light trigger 2, the mass ratio of 4,6-trimethylbenzoyl diphenyl phosphine oxide and carbamate is (0.05~0.1): 1;
Step 3, step 2 gained solution is uniformly coated on the front of transparent film basic unit, and puts into the UV uv cure machine and be cured.
2. automobile lacquer surface protective film according to claim 1, it is characterized in that: be 10 s~15 s the set time described in the step 3, UV-irradiation intensity 1000 W.
3. the preparation method of an automobile lacquer surface protective film comprises that a. forms anti-corrosion layer in the positive evenly coating of transparent film basic unit; B. evenly be coated with the formation pressure-sensitive adhesive layer at the back side of transparent film basic unit; C. release rete is compounded in the outside surface of pressure-sensitive adhesive layer, it is characterized in that:
Anti-corrosion layer described in the step a (2) is by prepolymer epoxy acrylate, urethane acrylate, carbamate; the reactive monomer tripropylene glycol diacrylate; stablizer 2; 6-di-t-butyl cresylol; light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide; be polymerized through the curing of UV UV-irradiation, concrete preparation process is:
The first step, epoxy acrylate, urethane acrylate, carbamate are dissolved in the mixed solvent of toluene and butanone, stir; The mass ratio of described epoxy acrylate, urethane acrylate, carbamate is (4~6): (1~2): 1, and the mass ratio of mixed solvent and carbamate is (1~2): 1, wherein the mass ratio of toluene and butanone is 2: 1;
Second step, under the lucifuge condition, with the reactive monomer tripropylene glycol diacrylate, stablizer 2,6-di-t-butyl cresylol, light trigger 2,4,6-trimethylbenzoyl diphenyl phosphine oxide add in the step 1 gained solution, continue to stir; The mass ratio of described reactive monomer tripropylene glycol diacrylate and carbamate is (2~4): 1, stablizer 2, the mass ratio of 6-di-t-butyl cresylol and carbamate is (0.4~0.8): 1, light trigger 2, the mass ratio of 4,6-trimethylbenzoyl diphenyl phosphine oxide and carbamate is (0.05~0.1): 1;
The 3rd step, step 2 gained solution is uniformly coated on the front of transparent film basic unit, and puts into the UV uv cure machine and be cured; Be 10 s~15 s described set time, UV-irradiation intensity 1000 W;
Pressure-sensitive adhesive layer described in the step b (3) is to be polymerized through thermofixation by organic-silicon-modified adhesive for polyurethane.
CN 201210074948 2012-03-21 2012-03-21 Protection film of paintwork for vehicle and preparation method thereof Expired - Fee Related CN102627922B (en)

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Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
CN102963097A (en) * 2012-11-21 2013-03-13 深圳市宏瑞新材料科技有限公司 Protective film with PU (polyurethane) adhesive
CN103146319B (en) * 2013-04-07 2014-04-30 张宇 Automobile coating surface protection film and preparation method thereof
CN104774572B (en) * 2015-02-15 2017-07-14 滁州云林数码影像耗材有限公司 A kind of protection film for automobile and preparation method thereof
CN108372696A (en) * 2016-10-31 2018-08-07 上海纳尔数码喷印材料股份有限公司 Super body sticker
CN106633146A (en) * 2016-12-20 2017-05-10 江苏百瑞尔包装材料有限公司 Anti-corrosion thin film for electronic tag
CN107805462B (en) * 2017-10-28 2020-11-13 浙江世窗光学薄膜制造有限公司 Paint surface protective film and preparation method and application thereof
CN108034380A (en) * 2017-12-25 2018-05-15 成都双胜汽车零部件有限公司 PP material surface film adhesion enhancing techniques

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Address after: Gaogang city in Jiangsu province Taizhou City Road 225300 No. 67

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