CN105312209A - Oxygen-free photo-curing hardening process with high-performance requirement on PC (Poly Carbonate) base material - Google Patents
Oxygen-free photo-curing hardening process with high-performance requirement on PC (Poly Carbonate) base material Download PDFInfo
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- CN105312209A CN105312209A CN201410379955.2A CN201410379955A CN105312209A CN 105312209 A CN105312209 A CN 105312209A CN 201410379955 A CN201410379955 A CN 201410379955A CN 105312209 A CN105312209 A CN 105312209A
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Abstract
The invention discloses an oxygen-free photo-curing hardening process with a high-performance requirement on a PC (Poly Carbonate) base material, and relates to a machining process for the PC base material. The hardening process for the PC base material can comprise the following steps: operating a wire body in a dustproof workshop so as to reach a constantly stable state; fixing a plate of the PC base material to equipment, and taking down a protective film of the PC base material; performing leaching; performing infrared drying in a range of 10-20m; retaining resin on a PC plate in this process; after curing, performing cooling in a range of 5-10m; coating the PC plate with a film for protection. According to the PC base material, the hardness and the scratch resistance are improved, the service life of the surface of a 3C electrical appliance such as a mobile phone, a computer, a television and an MP3/MP4 can be prolonged, the replacement cost of a screen is reduced, the assembly yield for customers is improved, the PC base material is low in price so as to be capable of replacing PMMA (Polymethyl Methacrylate), and the cost is reduced.
Description
Technical field:
The present invention relates to the processing technology of polycarbonate substrate, be specifically related to the anaerobic light curing and hardening process of high performance requirements on polycarbonate substrate.
Background technology:
Merlon water white transparency, heat-resisting, shock resistance, fire-retardant, in common serviceability temperature, there is good mechanical performance.The impact resistance of Merlon is good, and refractive index is high, good processability, wearing no resistance of Merlon, difference of hardness.Some Merlon devices for purposes easy to wear need effects on surface to carry out specially treated.
In recent years, the exploitation of the 3C Products such as mobile phone, computer, TV, MP3/MP4 more trends towards touching type operation, and also progressively improves the requirement of PC stiffened properties of product in touch process.Scratch resistance after such as PC photocuring, hardness, pliability.Such as do 0.8mmPC sheet material by the technique in patent 200810059400.4, hardness can only reach 1000 gram force 2B (method of testing GB/T6739-1996).Pliability 12mm (GB/T1731-1993).Scratch resistance 0000# steel wool 100 gram force 50 times, surperficial serious damage.Under the condition of existing technique, there will be following phenomenon after improving coating, hardness has been got well, and pliability is deteriorated; Scratch resistance has been got well, and pliability is deteriorated; Difference of hardness, pliability improves; Chief reason occurs oxygen inhibition in the process of UV photocuring.
Summary of the invention:
The object of this invention is to provide the anaerobic light curing and hardening process of high performance requirements on polycarbonate substrate, which increase hardness and scratch resistance, the service life of the 3C collector surface such as energy extending cell phone, computer, TV, MP3/MP4, save the cost changed screen and use, improve client's assembly yield, its price is low, so can substitute PMMA, reduces costs.
In order to solve the problem existing for background technology, the present invention is by the following technical solutions: polycarbonate substrate can be divided into following steps in hardening process:
1, dust-free workshop runs, and humidity is at 65-75, and temperature is between 15-20 DEG C, and cleanliness factor is static at 1,000 grades to 10,000 grades;
2, the operation of dust-free workshop interior lines body, makes it to reach permanent stable state;
3, polycarbonate substrate sheet material is fixed on equipment.The diaphragm of polycarbonate substrate is taken off, and line body speed adjusts between 3 meters to 4.5 meters per minute;
4, drip washing, cleans with diluent HD-0003A, through 5 meters to 15 meters natural dryings;
5, being diluted to density with PC-0006B hardening liquid and HD-0003A diluent is hardening liquid showering between 0.890 to 0.920, and after the natural drying of 5 meters 15 meters, enter the infra-red drying of 10 meters to 20 meters, temperature is between 30-42 DEG C.This process is that resin is stayed on PC sheet material;
6, through high-pressure sodium lamp solidification, solidification energy is 500 to 800MJ/cm
2, the temperature of UV lamp controls at 60-85 DEG C, and the spacing of lamp and sheet material, between 15CM to 45CM, at the indoor inflated with nitrogen of UV, carries out anaerobic solidification;
7, through the cooling of 5 meters to 10 meters after solidifying;
8, under PC sheet material fill device gets on; Please make an amendment! !
9, PC sheet material is carried out overlay film protection.
During the two-sided stiffened of the polycarbonate substrate of described 1 square metre, coating content is between 80 grams to 120 grams, and one side is 40 grams to 60 grams.
The temperature of described polycarbonate substrate is between 20-25 DEG C, and base material thickness is 0.65mm, 0.8mm, 1.0mm.
When nitrogen protection is poured in described UV room, carry out anaerobic solidification, nitrogen flow is that 30-60 cubic meter is per hour.
The present invention adjusts machine speed according to sheet metal thickness, energy, infrared temperature.
Beneficial effect of the present invention: improve hardness and scratch resistance, in the service life of the 3C collector surface such as energy extending cell phone, computer, TV, MP3/MP4, saves the cost changed screen and use, improve client's assembly yield, its price is low, so can substitute PMMA, reduces costs.
Accompanying drawing illustrates:
Fig. 1 is the hardening process condition table of the embodiment of the present invention.
Detailed description of the invention:
This detailed description of the invention is by the following technical solutions: its polycarbonate substrate can be divided into following steps in hardening process:
1, dust-free workshop runs, and humidity is at 65-75, and temperature is between 15-20 DEG C, and cleanliness factor is static at 1,000 grades to 10,000 grades;
2, the operation of dust-free workshop interior lines body, makes it to reach permanent stable state;
3, polycarbonate substrate sheet material is fixed on equipment.The diaphragm of polycarbonate substrate is taken off, and line body speed adjusts between 3 meters to 4.5 meters per minute;
4, drip washing, cleans with diluent HD-0003A, through 5 meters to 15 meters natural dryings;
5, being diluted to density with PC-0006B hardening liquid and HD-0003A diluent is hardening liquid showering between 0.890 to 0.920, and after the natural drying of 5 meters 15 meters, enter the infra-red drying of 10 meters to 20 meters, temperature is between 30-42 DEG C.This process is that resin is stayed on PC sheet material;
6, through high-pressure sodium lamp solidification, solidification energy is 500 to 800MJ/cm
2, the temperature of UV lamp controls at 60-85 DEG C, and the spacing of lamp and sheet material, between 15CM to 45CM, at the indoor inflated with nitrogen of UV, carries out anaerobic solidification;
7, through the cooling of 5 meters to 10 meters after solidifying;
8, under PC sheet material fill device gets on;
9, PC sheet material is carried out overlay film protection.
During the two-sided stiffened of the polycarbonate substrate of described 1 square metre, coating content is between 80 grams to 120 grams, and one side is 40 grams to 60 grams.
The temperature of described polycarbonate substrate is between 20-25 DEG C, and base material thickness is 0.65mm, 0.8mm, 1.0mm.
When nitrogen protection is poured in described UV room, carry out anaerobic solidification, nitrogen flow is that 30-60 cubic meter is per hour.
The beneficial effect of this detailed description of the invention: improve hardness and scratch resistance, in the service life of the 3C collector surface such as energy extending cell phone, computer, TV, MP3/MP4, saves the cost changed screen and use, improve client's assembly yield, its price is low, so can substitute PMMA, reduces costs.
Embodiment 1:
The present embodiment relates to the technique of anaerobic photocuring stiffened PC sheet material, and hardening process condition is as the embodiment 1 in Fig. 1, and after stiffened, the performance of PC sheet material is that hardness reaches 1000 gram force H (method of testing GB/T6739-1996).Pliability 12mm (GB/T1731-1993).Scratch resistance 0000# steel wool 500 gram force 50 times, does not have scratch.
Embodiment 2:
The present embodiment relates to the technique of anaerobic photocuring stiffened PC sheet material, and hardening process condition is as the embodiment 2 in Fig. 1, and after stiffened, the performance of PC sheet material is that hardness reaches 1000 gram force H (method of testing GB/T6739-1996).Pliability 12mm (GB/T1731-1993).Scratch resistance 0000# steel wool 500 gram force 50 times, does not have scratch.
Embodiment 3:
The present embodiment relates to the technique of anaerobic photocuring stiffened PC sheet material, and hardening process condition is as the embodiment 3 in Fig. 1, and after stiffened, the performance of PC sheet material is that hardness reaches 1000 gram force H (method of testing GB/T6739-1996).Pliability 12mm (GB/T1731-1993).Scratch resistance 0000# steel wool 500 gram force 50 times, does not have scratch.
Embodiment 4:
The present embodiment relates to the technique of anaerobic photocuring stiffened PC sheet material, and hardening process condition is as the embodiment 4 in Fig. 1, and after stiffened, the performance of PC sheet material is that hardness reaches 1000 gram force H (method of testing GB/T6739-1996).Pliability 12mm (GB/T1731-1993).Scratch resistance 0000# steel wool 500 gram force 50 times, does not have scratch.
Claims (4)
1. the anaerobic light curing and hardening process of high performance requirements on polycarbonate substrate, is characterized in that polycarbonate substrate can be divided into following steps in hardening process:
(1), dust-free workshop runs, and humidity is at 65-75, and temperature is between 15-20 DEG C, and cleanliness factor is static at 1,000 grades to 10,000 grades;
(2), the operation of dust-free workshop interior lines body, make it to reach permanent stable state;
(3), polycarbonate substrate sheet material is fixed on equipment.The diaphragm of polycarbonate substrate is taken off, and line body speed adjusts between 3 meters to 4.5 meters per minute;
(4), drip washing, clean with diluent HD-0003A, through 5 meters to 15 meters natural dryings;
(5), with PC-0006B hardening liquid and HD-0003A diluent being diluted to density is hardening liquid showering between 0.890 to 0.920, and after the natural drying of 5 meters 15 meters, enter the infra-red drying of 10 meters to 20 meters, temperature is between 30-42 DEG C.This process is that resin is stayed on PC sheet material;
(6), through high-pressure sodium lamp solidification, solidification energy is 500 to 800MJ/cm
2, the temperature of UV lamp controls at 60-85 DEG C, and the spacing of lamp and sheet material, between 15CM to 45CM, at the indoor inflated with nitrogen of UV, carries out anaerobic solidification;
(7) through the cooling of 5 meters to 10 meters after, solidifying;
(8) under, PC sheet material fill device gets on;
(9), PC sheet material is carried out overlay film protection.
2. the anaerobic light curing and hardening process of high performance requirements on polycarbonate substrate according to claim 1, when it is characterized in that the two-sided stiffened of the polycarbonate substrate of described 1 square metre, coating content is between 80 grams to 120 grams, and one side is 40 grams to 60 grams.
3. the anaerobic light curing and hardening process of high performance requirements on polycarbonate substrate according to claim 1, it is characterized in that the temperature of described polycarbonate substrate is between 20-25 DEG C, base material thickness is 0.65mm, 0.8mm, 1.0mm.
4. the anaerobic light curing and hardening process of high performance requirements on polycarbonate substrate according to claim 1, when it is characterized in that nitrogen protection is poured in described UV room, carry out anaerobic solidification, nitrogen flow is that 30-60 cubic meter is per hour.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693368A (en) * | 2020-06-15 | 2020-09-22 | 苏州高泰电子技术股份有限公司 | Test method for microscopic characterization performance of wafer cutting adhesive tape |
| CN113145421A (en) * | 2021-04-07 | 2021-07-23 | 惠州威博精密科技有限公司 | 3D composite board surface spray coating process |
| CN113814093A (en) * | 2021-09-23 | 2021-12-21 | 扬州凯勒机械有限公司 | Anaerobic photocuring hardening forming equipment for processing high-molecular polycarbonate plate |
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| CN113814093A (en) * | 2021-09-23 | 2021-12-21 | 扬州凯勒机械有限公司 | Anaerobic photocuring hardening forming equipment for processing high-molecular polycarbonate plate |
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Application publication date: 20160210 |