CN101935171B - Method for machining energy-saving membrane-embedded low-radiation sandwich glass - Google Patents
Method for machining energy-saving membrane-embedded low-radiation sandwich glass Download PDFInfo
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- CN101935171B CN101935171B CN2010102821300A CN201010282130A CN101935171B CN 101935171 B CN101935171 B CN 101935171B CN 2010102821300 A CN2010102821300 A CN 2010102821300A CN 201010282130 A CN201010282130 A CN 201010282130A CN 101935171 B CN101935171 B CN 101935171B
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Abstract
The invention relates to a method for machining energy-saving membrane-embedded low-radiation sandwich glass. The method comprises the steps of: cutting, edging, washing, hot bending, coating a membrane, sandwiching glue, pressurizing and the like, wherein in the step of hot bending, the glass hot bending temperature is between 550 and 610 DEG C, and the glass is heated at the temperature for 5 to 10 min; in the step of coating the membrane, the cleanliness of the air between the coated membrane and a glue-sandwiched space is 100 to 500 grades, the air temperature is between 22 and 28 DEG C, and the humidity is less than or equal to 35 percent; in the step of sandwiching the glue, the air cleanliness is 50,000 to 100,000 grades, the air temperature is between 22 and 28 DEG C, and the humidity is less than or equal to 35 percent; and in the step of pressurizing, the pressurization pressure is between 11.5 and 12.5 kg/cm<2>, the temperature is between 130 and 135 DEG C, and heat preservation and pressure maintenance is performed for 200 to 240 min. The product well solves the problems of service life and the ageing resistance of a glass membrane of the sandwich glass, and has the average service life of 20 years, the visible light transmission of between 77 and 85 percent, the ultraviolet ray screening factor of over 99 percent and the near infrared ray rejection of over 85 percent. Experiments show that compared with common uncoated glass, the product has remarkable advantages in the aspects of heat preservation, noise reduction, power conservation and the like.
Description
Technical field
The present invention relates to a kind of working method of laminated glass, particularly relate to a kind of working method of built-in energy-saving film low radiation sandwiched glass.
Background technology
Low in the market radiation doubling glass product energy-saving film (energy-conservation coating) mostly covers in glass outer surface; This product problem and drawback are obvious, because energy-conservation coating is very fragile, are destroyed easily; Use for some time glass energy-saving film be scratched easily, damaged or be infected with spot, influence is used; In addition, the coating long-term exposure in air, easy ageing, work-ing life is shorter.
Through retrieval; The patent No. is the method that 200410018112.6 patent discloses the intermediate coat glass that a kind of EVA of employing or SGP produce as the viscose glue intermediate coat; Adopt the production technique of secondary roll-in method or vacuum method, the product that obtains is: sheet glass/have face adhesive material EVA or SGP intermediate coat/metal finishing thin plate/organic adhesive material EVA or SGP intermediate coat/sheet glass.The advantage of this glass is, the combination of glass, organic intermediate coat (EVA, SGP) and metal lagging is very firm, and its shock resistance, anti-penetrating and better performances such as weathering resistance have safety, antitheft, performance such as explosion-proof.But its complex manufacturing, the light transmission of glass is relatively poor, and cost is also higher.
Summary of the invention
The technical problem that the present invention will solve: a kind of working method of built-in energy-saving film low radiation sandwiched glass is provided, and the visible light transmissivity of this glass, rate of ultraviolet shield and near infrared ray rejection rate are all higher, and the work-ing life of glass is longer.
Technical scheme of the present invention:
A kind of working method of built-in energy-saving film low radiation sandwiched glass may further comprise the steps:
(1) glass cutting cuts into suitable dimension with float glass;
(2) edging is with abrasive band edge polisher edging, and the abrasive band travelling speed is the 8-12 meter per second;
(3) deionized water wash glass is used in washing;
(4) hot bending glass bending temperature is 610 ℃ of 550-, under this temperature, heats 5-10min;
(5) requiring plated film and doubling spatial air purity during the plated film plated film is the 100-500 level, AT 22-28 ℃, and atmospheric moisture≤35%;
(6) air purity is the 50000-100000 level during doubling doubling, AT 22-28 ℃, and atmospheric moisture≤35%;
(7) pressurization moulding pressure 11.5-12.5Kg/cm
2, during pressurization temperature 130-135 ℃, under this pressure and temperature, keep 200-240min.
The specification of quality of said deionized water is: Cl≤10PPm in the water, pH value 6.7-8.5, electric conductivity≤10us/cm, hardness≤1PPm, siliceous≤3PPm, contain oxygen≤1PPm.
Said plated film is the PVB film, and coating film thickness is the 5-8 micron.
Promptly stop heating after said glass bending is shaped, open the fire door natural heat dissipation after being cooled to 400 ℃.
Positive beneficial effect of the present invention:
(1) product of the present invention has solved the work-ing life and the anti-aging problem of laminated glass glassy membrane well; Work-ing life is longer, and the product visible light transmissivity is 77-85%, and rate of ultraviolet shield reaches more than 99%; The near infrared ray rejection rate reaches more than 85%, and be 20 years mean life.The results showed that product of the present invention is compared with common not coated glass, obvious in aspect advantages such as insulation, reduction noise and economize on electricitys.Concrete performance is seen table 1.
(2) the strict control process parameters of the present invention; Like processing parameters such as deionized water, hot bending temperature, plated film condition and pressurized conditions, effectively controlled quality product, product performance are superior to currently available products; This product can be widely used on automobile, has good marketable value and use value.
Four, embodiment:
Embodiment 1:A kind of working method of built-in energy-saving film low radiation sandwiched glass may further comprise the steps:
(1) glass cutting: float glass is cut into suitable dimension;
(2) edging: with abrasive band edge polisher edging, the abrasive band travelling speed is the 8-12 meter per second;
(3) washing: use deionized water wash glass, the specification of quality of deionized water is: Cl≤10PPm in the water, pH value 6.7-8.5, electric conductivity≤10us/cm, hardness≤1PPm, siliceous≤3PPm, contain oxygen≤1PPm;
(4) hot bending: 610 ℃ of glass bending temperature 550-heat 5-10min under this temperature, promptly stop heating after the shaping, are cooled to 400 ℃ of unlatching fire door heat radiations;
(5) plated film: requiring plated film and doubling spatial air purity is the 100-500 level, AT 22-28 ℃, and atmospheric moisture≤35%; Used plated film is the PVB film, and thickness is the 5-8 micron, and it is by polyvinyl butyral resin, pushes and a kind of macromolecular material of moulding through softening agent DHA plasticizing;
(6) doubling: air purity is the 50000-100000 level, AT 22-28 ℃, and atmospheric moisture≤35%;
(7) pressurization: pressure is 11.5-12.5Kg/cm
2, temperature 130-135 ℃, under this pressure and temperature, keep 200-240min.
Wherein PVB film outward appearance is a semitransparent thin film; Inclusion-free; Surfacing has certain roughness and good flexibility, and unorganic glass is had good cohesive force; Having transparent, heat-resisting, cold-resistant, moisture-proof, the more high characteristic of physical strength, is the jointing material that current manufacturing interlayer, shatter proof glass are used.
Embodiment 2:A kind of working method of built-in energy-saving film low radiation sandwiched glass may further comprise the steps:
(1) glass cutting: float glass is cut into suitable dimension;
(2) edging: with abrasive band edge polisher edging, the abrasive band travelling speed is 10 meter per seconds;
(3) washing: use deionized water wash glass, the specification of quality of deionized water is: Cl≤10PPm in the water, pH value 7.0, electric conductivity≤10us/cm, hardness≤1PPm, siliceous≤3PPm, contain oxygen≤1PPm;
(4) hot bending: 600 ℃ of glass bending temperature, under this temperature, heat 5-10min, promptly stop heating after the shaping, be cooled to 400 ℃ of unlatching fire door heat radiations;
(5) plated film: requiring plated film and doubling spatial air purity is 100 grades, 25 ℃ of ATs, atmospheric moisture 25%; Used plated film is the PVB film;
(6) doubling: air purity is 100000 grades, 25 ℃ of ATs, atmospheric moisture 25%;
(7) pressurization: pressure is 12Kg/cm
2, 133 ℃ of temperature keep 240min under this pressure and temperature.
Embodiment 3:A kind of working method of built-in energy-saving film low radiation sandwiched glass may further comprise the steps:
(1) glass cutting: float glass is cut into suitable dimension;
(2) edging: with abrasive band edge polisher edging, the abrasive band travelling speed is 12 meter per seconds;
(3) washing: use deionized water wash glass, the specification of quality of deionized water is: Cl≤10PPm in the water, pH value 8.0, electric conductivity≤10us/cm, hardness≤1PPm, siliceous≤3PPm, contain oxygen≤1PPm;
(4) hot bending: 580 ℃ of glass bending temperature, under this temperature, heat 5-10min, promptly stop heating after the shaping, be cooled to 400 ℃ of unlatching fire door heat radiations;
(5) plated film: requiring plated film and doubling spatial air purity is 100 grades, 27 ℃ of ATs, atmospheric moisture 30%; Used plated film is the PVB film;
(6) doubling: air purity is 80000 grades, 27 ℃ of ATs, atmospheric moisture 30%;
(7) pressurization: pressure is 11.5Kg/cm
2, 133 ℃ of temperature keep 200min under this pressure and temperature.
Embodiment 4:A kind of working method of built-in energy-saving film low radiation sandwiched glass may further comprise the steps:
(1) glass cutting: float glass is cut into suitable dimension;
(2) edging: with abrasive band edge polisher edging, the abrasive band travelling speed is 9 meter per seconds;
(3) washing: use deionized water wash glass, the specification of quality of deionized water is: Cl≤10PPm in the water, pH value 8.3, electric conductivity≤10us/cm, hardness≤1PPm, siliceous≤3PPm, contain oxygen≤1PPm;
(4) hot bending: 610 ℃ of glass bending temperature, under this temperature, heat 5-10min, promptly stop heating after the shaping, be cooled to 400 ℃ of unlatching fire door heat radiations;
(5) plated film: requiring plated film and doubling spatial air purity is 200 grades, 23 ℃ of ATs, atmospheric moisture 20%; Used plated film is the PVB film;
(6) doubling: air purity is 50000 grades, 27 ℃ of ATs, atmospheric moisture 30%;
(7) pressurization: pressure is 12.5Kg/cm
2, 130 ℃ of temperature keep 220min under this pressure and temperature.
Product performance index of the present invention, like following table 1:
Claims (3)
1. the working method of a built-in energy-saving film low radiation sandwiched glass, it is characterized in that: this method may further comprise the steps:
(1) glass cutting cuts into suitable dimension with float glass;
(2) edging is with abrasive band edge polisher edging, and the abrasive band travelling speed is the 8-12 meter per second;
(3) deionized water wash glass is used in washing;
(4) hot bending glass bending temperature is 610 ℃ of 550-, under this temperature, heats 5-10min;
(5) requiring plated film and doubling spatial air purity during the plated film plated film is the 100-500 level, AT 22-28 ℃, and atmospheric moisture≤35%; Said plated film is the PVB film, and coating film thickness is the 5-8 micron;
(6) air purity is the 50000-100000 level during doubling doubling, AT 22-28 ℃, and atmospheric moisture≤35%;
(7) pressurization moulding pressure 11.5-12.5Kg/cm
2, during pressurization temperature 130-135 ℃, under this pressure and temperature, keep 200-240min.
2. according to the working method of the said laminated glass of claim 1, it is characterized in that: the specification of quality of said deionized water is: Cl≤10ppm in the water, pH value 6.7-8.5, electric conductivity≤10us/cm, hardness≤1ppm, siliceous≤3ppm, contain oxygen≤1ppm.
3. according to the working method of claim 1 or 2 said laminated glass, it is characterized in that: promptly stop heating after said glass bending is shaped, open the fire door natural heat dissipation after being cooled to 400 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102821300A CN101935171B (en) | 2010-09-15 | 2010-09-15 | Method for machining energy-saving membrane-embedded low-radiation sandwich glass |
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| CN2010102821300A CN101935171B (en) | 2010-09-15 | 2010-09-15 | Method for machining energy-saving membrane-embedded low-radiation sandwich glass |
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| CN101935171A CN101935171A (en) | 2011-01-05 |
| CN101935171B true CN101935171B (en) | 2012-06-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102873960A (en) * | 2012-09-17 | 2013-01-16 | 浙江晶泰玻璃科技有限公司 | Processing method of special synthetic glass |
| CN102990496B (en) * | 2012-12-04 | 2015-03-25 | 福耀玻璃工业集团股份有限公司 | Trimming method for automobile laminated glass |
| CN103011624A (en) * | 2013-01-06 | 2013-04-03 | 苏州新吴光电科技有限公司 | Production method of ionic middle membrane laminated glass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1058949C (en) * | 1998-03-24 | 2000-11-29 | 段永盛 | Method for producing sandwiched safety glass |
| CN101255020A (en) * | 2008-03-25 | 2008-09-03 | 史国雄 | Energy-saving safeguard membrane structural glass |
| CN101372396A (en) * | 2008-10-07 | 2009-02-25 | 福耀玻璃工业集团股份有限公司 | Bendable low radiation coated glass |
| CN101585667B (en) * | 2009-07-02 | 2012-07-04 | 福耀集团（上海）汽车玻璃有限公司 | Bendable low-emission coated glass |
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