CN106746545A - A kind of manufacturing process of safety glass - Google Patents
A kind of manufacturing process of safety glass Download PDFInfo
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- CN106746545A CN106746545A CN201611161342.7A CN201611161342A CN106746545A CN 106746545 A CN106746545 A CN 106746545A CN 201611161342 A CN201611161342 A CN 201611161342A CN 106746545 A CN106746545 A CN 106746545A
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- 239000005336 safety glass Substances 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000011521 glass Substances 0.000 claims abstract description 130
- 238000010792 warming Methods 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000003303 reheating Methods 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 239000005357 flat glass Substances 0.000 claims abstract description 8
- 238000005496 tempering Methods 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 15
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 8
- 235000010265 sodium sulphite Nutrition 0.000 claims description 7
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 claims description 6
- URXZXNYJPAJJOQ-UHFFFAOYSA-N Erucic acid Natural products CCCCCCC=CCCCCCCCCCCCC(O)=O URXZXNYJPAJJOQ-UHFFFAOYSA-N 0.000 claims description 6
- 229920000877 Melamine resin Polymers 0.000 claims description 6
- 239000004640 Melamine resin Substances 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000012467 final product Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 11
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 7
- 238000005457 optimization Methods 0.000 description 6
- 239000005341 toughened glass Substances 0.000 description 6
- 238000005816 glass manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 241000208340 Araliaceae Species 0.000 description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 235000008434 ginseng Nutrition 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229910001414 potassium ion Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/012—Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
- C03C17/009—Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0075—Cleaning of glass
Landscapes
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of manufacturing process of safety glass, comprise the following steps：（1）, preheating：Make glass that 180 DEG C were warming up between 200~240 seconds；（2）, stepwise heating：Make glass that 260~300 DEG C were warming up in 10~15 minutes, 380~420 DEG C are warming up in 5~10 minutes, 600~620 DEG C are warming up in 3~6 minutes；（3）, rapid cooling：Make glass temperature that 340~360 DEG C were down in 8~10 seconds；（4）, reheating：Later glass will be cooled down 480~520 DEG C were warming up in 18~20 minutes, be incubated 20~30 minutes；（5）, secondary cooling；（6）, embathe；（7）, spraying plated film；（8）, baking；（9）, cleaning.The present invention effectively improves the quality of safety glass by glass heating and the control of cooling procedure, enabling original sheet glass to be heated evenly, it is ensured that the flatness and intensity of glass.
Description
Technical field
The present invention relates to safety glass preparing technical field, and in particular to a kind of manufacturing process of safety glass.
Background technology
Safety glass, belongs to safety glass, is a kind of prestressed glass, to improve the intensity of glass, usually using chemistry
Or the method for physics, compression is formed in glass surface, glass bears to offset skin stress first during external force, is held so as to improve
Loading capability, reinforcing glass itself anti-wind pressure, cold and heat, impact etc..The difference according to preparation technology of safety glass, can be big
Body is divided into physical toughened glass and chemically toughened glass.
Physical toughened glass is also called quenching safety glass.It is that ordinary plate glass is heated into tempering in heating furnace
Temperature, i.e., when close to the softening temperature of glass, internal stress is eliminated by the deformation of itself, and glass then is removed into heating furnace,
High pressure cold air is blowed to the two sides of glass with bull nozzle again, it is rapidly and uniformly cooled to room temperature, you can steel is obtained
Change glass.This glass is in internal tension, and the stress state that outside is pressurized, once locally generation is damaged, will occur stress
Release, glass is fractured into countless fritters, and these small fragments do not have sharp corners, are difficult to hurt sb.'s feelings.
Chemically toughened glass is the intensity by changing the chemical composition on the surface of glass to improve glass, is usually applied
Ion-exchange carries out tempering.Specially by the silicate glass containing alkali metal ion, the lithium of molten condition is immersed in（Li+）
In salt, Na+ the or K+ ions of surface layer of glass are made to be exchanged with Li+ ions, surface forms Li+ ion exchange layers, due to Li+'s
The coefficient of expansion is less than Na+, K+ ion, shrinks larger so as to cause outer layer to shrink smaller and internal layer in cooling procedure, works as cooling
To after normal temperature, glass is just similarly in internal layer tension, the state that outer layer is pressurized, and effect is similar to physical toughened glass.
Safety glass has many advantages, such as.First, security, when glass is destroyed by external force, fragment can be into similar honeycomb
The broken little particle in obtuse angle of shape, is difficult to cause serious injury human body.Second, high intensity, the safety glass anti-impact of condition of equivalent thickness
Hit intensity is 3~5 times of simple glass, and bending strength is 3~5 times of simple glass.3rd, heat endurance safety glass has
Good heat endurance, the temperature difference that can be born is 3 times of simple glass, can bear 300 DEG C of difference variation.But, tempering glass
Glass also has the shortcomings that its own, and in addition to certain self-destruction probability, the surface of safety glass can exist rough
Phenomenon（Wind spot）, have slight thickness thinning.This is mainly safety glass in preparation process, especially physical toughened glass,
Because glass makes its quick cooling after softening is heated by strong wind, its inside glass gaps between crystals is set to diminish, pressure becomes
Greatly, so glass is thinner than before tempering after tempering, and due to strong wind effect so that wind spot occurs in safety glass,
This be also safety glass more disadvantageously.
The content of the invention
The technical problems to be solved by the invention are, in order to overcome above-mentioned deficiency of the prior art, there is provided a kind of tempering
The manufacturing process of glass.
The present invention is the deficiency of solution above-mentioned technical problem, and the technical scheme for being used is：A kind of manufacture of safety glass
Technique, comprises the following steps：
（1）, preheating：Plate glass to be processed is placed in glass tempering furnace, make the temperature of glass 200~240 seconds it
Between be gradually heating to 180 DEG C；
（2）, stepwise heating：Make glass temperature that 260~300 DEG C were warming up in 10~15 minutes, then risen in 5~10 minutes
Temperature was finally warming up to 600~620 DEG C to 380~420 DEG C in 3~6 minutes, kept the temperature 6~10 minutes；
（3）, rapid cooling：Glass after heating is immediately placed in into air grid quickly to be cooled down, makes glass temperature in 8~10 seconds
It is down to 340~360 DEG C；
（4）, reheating：The glass for cooling down later was warming up to 480~520 DEG C in 18~20 minutes, the temperature 20 is kept
~30 minutes；
（5）, secondary cooling：Glass after reheating is moved into air grid, starts intermittent blowing, often blown during intermittence blowing
Wind stops 5 seconds in 8~10 seconds, when glass temperature is down to 360 DEG C, stops blowing, glass is taken out from air grid, natural cooling
To room temperature；
（6）, embathe：By in the sodium sulfite solution by the glass of natural cooling immersion pH value between 0.5~1.0, soak
30~50 minutes, then glass is transferred in clear water reserviors and is cleaned；
（7）, the safety glass after cleaning carries out spraying coating operation, the composition of spraying raw material is erucic acid 3~8%, polyether silicone oil
3~4%, the deionized water of nano-titanium oxide 1~2%, polyethylene glycol 2~3%, melamine resin 1~2% and surplus；
（8）, the safety glass after film is put into oven and is toasted；
（9）, the safety glass after baking is put into cleaning machine and cleaned, obtain final product safety glass.
As a kind of further optimization of the manufacturing process of safety glass of the invention：The step（1）Middle glass passes through
The heat time of 3min is warming up to 180 DEG C.
As a kind of further optimization of the manufacturing process of safety glass of the invention：The step（2）Middle glass temperature exists
300 DEG C are warming up in 12 minutes, 380 DEG C were then warming up in 5 minutes, 620 DEG C were finally warming up in 5 minutes.
As a kind of further optimization of the manufacturing process of safety glass of the invention：The step（3）Middle glass temperature exists
340 DEG C are down in 10 seconds.
As a kind of further optimization of the manufacturing process of safety glass of the invention：The step（4）Middle glass temperature exists
500 DEG C are warming up in 20 minutes, the temperature 30 minutes are incubated.
As a kind of further optimization of the manufacturing process of safety glass of the invention：The step（7）Middle spraying plated film
Operating parameter is：Air pressure is 0.48MPa, and spray distance is 20cm.
As a kind of further optimization of the manufacturing process of safety glass of the invention：The step（8）Middle baking temperature is
260 DEG C, baking time is 20min.
Beneficial effect
First, in safety glass manufacturing process of the invention, reheating and secondary cold has been carried out again to the glass after rapid cooling
But, this is the α-NiS phases of the nickel sulphide inclusions of inside glass all in high temperature state due to when glass tempering is heated.Then, glass
Into air grid chilling, the nickel sulfide in glass undergoes phase transition and is transformed into cold state β-NiS, due to the present invention use it is rapid cold
But, therefore, inside glass has little time to be transformed into cold state β-NiS and be " frozen " in glass with high temperature state nickel sulfide α phases, soon
Fast chilling enables glass tempering, the stress uniform balance body for being formed in external pressure, the nickel sulfide in glass in tempering
Carry out, the continuous expanse of volume, the active force to glass around it increases therewith phase transformation slow persistence.Armorplate glass
Core inherently tensile stress layer, volumetric expansion also forms tensile stress when the nickel sulfide in tensile stress layer undergoes phase transition, and this two
Plant tensile stress to be superimposed, it is sufficient to trigger the rupture of safety glass to reveal, carrying out reheating to the glass after cooling can
So that the high temperature state nickel sulfide that inside glass is " frozen " gradually " thaws ", and then avoid revealing the generation of phenomenon；
2nd, in safety glass manufacturing process of the invention, the glass after heating is cooled down rapidly, make glass temperature 8~
340~360 DEG C are down in 10 seconds, under the rate of temperature fall that the present invention is limited, cooling velocity and the inside glass of glass surface
Cooling velocity can produce larger gap, and because inside glass cooling velocity is slow, the interior atoms position adjustment time is long, and volume tends to
Reduce, therefore huge tension will be produced to watch crystal, improve the intensity of safety glass；
3rd, in safety glass manufacturing process of the invention, first preheated before glass heating, and the heating period point
It is 260~300 DEG C, 380~420 DEG C and 600~620 DEG C, and the rate of heat addition in each stage is differed, and is added by above-mentioned
The control of thermal process, it is to avoid safety glass moment meets with the larger temperature difference and warpage occurs, and ensureing the same of production efficiency
When, original sheet glass is heated evenly, and then cause glass overall deformation it is non-warping, it is ensured that safety glass product it is smooth
Degree；
4th, in safety glass manufacturing process of the invention, the glass after tempering has been carried out to embathe treatment, glass has been immersed into pH value
In sodium sulfite solution between 0.5~1.0, in immersion process, the nickel sulphide inclusions of glass surface residual can be by gradually
It is dissolved in sodium sulfite solution, further reduces the probability of glass self-explosion.
Specific embodiment
Embodiment 1
A kind of manufacturing process of safety glass, comprises the following steps：
（1）, preheating：Plate glass to be processed is placed in glass tempering furnace, make the temperature of glass between 210 seconds gradually
It is warming up to 180 DEG C；
（2）, stepwise heating：Make glass temperature that 300 DEG C were warming up in 12 minutes, 380 DEG C were then warming up in 5 minutes, most
620 DEG C were warming up in 5 minutes afterwards, the temperature is kept 6 minutes；
（3）, rapid cooling：Glass after heating is immediately placed in into air grid quickly to be cooled down, glass temperature was dropped in 10 seconds
To 340 DEG C；
（4）, reheating：The glass for cooling down later was warming up to 500 DEG C in 20 minutes, the temperature is kept 20 minutes；
（5）, secondary cooling：Glass after reheating is moved into air grid, starts intermittent blowing, often blown during intermittence blowing
Wind stops 5 seconds in 8 seconds, when glass temperature is down to 360 DEG C, stops blowing, and glass is taken out from air grid, naturally cools to room
Temperature；
（6）, embathe：By in the sodium sulfite solution by the glass of natural cooling immersion pH value between 0.5~1.0, soak
30 minutes, then glass is transferred in clear water reserviors and is cleaned；
（7）, the safety glass after cleaning carries out spraying coating operation, the composition of spraying raw material is erucic acid 6%, polyether silicone oil 3%,
The deionized water of nano-titanium oxide 2%, polyethylene glycol 3%, melamine resin 1% and surplus；Spray the operation ginseng of plated film
Number is：Air pressure is 0.48MPa, and spray distance is 20cm.
（8）, the safety glass after film is put into oven and is toasted, baking temperature is 260 DEG C, and baking time is
20min。
（9）, the safety glass after baking is put into cleaning machine and cleaned, obtain final product safety glass.
Embodiment 2
A kind of manufacturing process of safety glass, comprises the following steps：
（1）, preheating：Plate glass to be processed is placed in glass tempering furnace, make the temperature of glass between 240 seconds gradually
It is warming up to 180 DEG C；
（2）, stepwise heating：Make glass temperature that 260 DEG C were warming up in 10 minutes, 420 DEG C were then warming up in 10 minutes, most
600 DEG C were warming up in 6 minutes afterwards, the temperature is kept 6 minutes；
（3）, rapid cooling：Glass after heating is immediately placed in into air grid quickly to be cooled down, glass temperature was down in 8 seconds
360℃；
（4）, reheating：The glass for cooling down later was warming up to 480 DEG C in 20 minutes, the temperature is kept 30 minutes；
（5）, secondary cooling：Glass after reheating is moved into air grid, starts intermittent blowing, often blown during intermittence blowing
Wind stops 5 seconds in 8 seconds, when glass temperature is down to 360 DEG C, stops blowing, and glass is taken out from air grid, naturally cools to room
Temperature；
（6）, embathe：By in the sodium sulfite solution by the glass of natural cooling immersion pH value between 0.5~1.0, soak
50 minutes, then glass is transferred in clear water reserviors and is cleaned；
（7）, the safety glass after cleaning carries out spraying coating operation, the composition of spraying raw material is erucic acid 8%, polyether silicone oil 4%,
The deionized water of nano-titanium oxide 1%, polyethylene glycol 2%, melamine resin 2% and surplus；Spray the operation ginseng of plated film
Number is：Air pressure is 0.48MPa, and spray distance is 20cm.
（8）, the safety glass after film is put into oven and is toasted, baking temperature is 260 DEG C, and baking time is
20min。
（9）, the safety glass after baking is put into cleaning machine and cleaned, obtain final product safety glass.
Embodiment 3
A kind of manufacturing process of safety glass, comprises the following steps：
（1）, preheating：Plate glass to be processed is placed in glass tempering furnace, make the temperature of glass between 230 seconds gradually
It is warming up to 180 DEG C；
（2）, stepwise heating：Make glass temperature that 280 DEG C were warming up in 12 minutes, 400 DEG C were then warming up in 8 minutes, most
610 DEG C were warming up in 5 minutes afterwards, the temperature is kept 8 minutes；
（3）, rapid cooling：Glass after heating is immediately placed in into air grid quickly to be cooled down, glass temperature was down in 9 seconds
350℃；
（4）, reheating：The glass for cooling down later was warming up to 520 DEG C in 20 minutes, the temperature is kept 25 minutes；
（5）, secondary cooling：Glass after reheating is moved into air grid, starts intermittent blowing, often blown during intermittence blowing
Wind stops 5 seconds in 8 seconds, when glass temperature is down to 360 DEG C, stops blowing, and glass is taken out from air grid, naturally cools to room
Temperature；
（6）, embathe：By in the sodium sulfite solution by the glass of natural cooling immersion pH value between 0.5~1.0, soak
40 minutes, then glass is transferred in clear water reserviors and is cleaned；
（7）, the safety glass after cleaning carries out spraying coating operation, the composition of spraying raw material is erucic acid 7%, polyether silicone oil 4%,
The deionized water of nano-titanium oxide 1%, polyethylene glycol 2%, melamine resin 1% and surplus；Spray the operation ginseng of plated film
Number is：Air pressure is 0.48MPa, and spray distance is 20cm.
（8）, the safety glass after film is put into oven and is toasted, baking temperature is 260 DEG C, and baking time is
20min。
（9）, the safety glass after baking is put into cleaning machine and cleaned, obtain final product safety glass.
Safety glass detection data
Ordinary glass is contrasted with embodiment 1-3 safety glass, it is as a result as follows：
。
From the foregoing, it will be observed that the safety glass that the method for the present invention is obtained, relative to the safety glass of conventional production methods, 1, table
Face pressure stress is bigger, i.e., intensity is just higher, i.e. the toughening degree of safety glass is more preferable；Stress layer depth is smaller, bearing stress
The spontaneous regression time it is longer, and the stress layer depth of the safety glass that conventional method is obtained is larger, when beyond certain limit
It is susceptible to self-destruction；Angularity is smaller, and safety glass surface is more smooth, smooth；2nd, the tempering glass of the invention from from the point of view of hardness
Glass is higher than existing ordinary glass hardness；3rd, from from the point of view of stress test safety glass of the invention meet safety glass will
Ask；4th, there is obvious hydrophily effect from plated film antifog glass from the point of view of water contact angle degree, with preferable antifog requirement；5th, from attachment
The adhesive force of plated film antifog glass is higher than existing antifog glass from the point of view of performance test, in safety glass manufacturing process of the invention,
There is good anti-fog effect by the safety glass that is obtained after glass surface plated film, the film layer has hydrophily, can reduce
To the contact angle of water, test proves that antifog glass of the present invention is not more than 6 ° to the contact angle of water to glass surface, and the present invention is sprayed
Anti-fog layer with erucic acid and polyether silicone oil as main component, melamine resin and nano-titanium oxide are equipped with, along with warp
Cross the treated glass flatness of tempering of the present invention higher so that plated film can firmly be attached to glass surface, not only have
There is a good anti-fog function, and can keep long-acting antifog.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of manufacturing process of safety glass, it is characterised in that：Comprise the following steps：
（1）, preheating：Plate glass to be processed is placed in glass tempering furnace, make the temperature of glass 200~240 seconds it
Between be gradually heating to 180 DEG C；
（2）, stepwise heating：Make glass temperature that 260~300 DEG C were warming up in 10~15 minutes, then risen in 5~10 minutes
Temperature was finally warming up to 600~620 DEG C to 380~420 DEG C in 3~6 minutes, kept the temperature 6~10 minutes；
（3）, rapid cooling：Glass after heating is immediately placed in into air grid quickly to be cooled down, makes glass temperature in 8~10 seconds
It is down to 340~360 DEG C；
（4）, reheating：The glass for cooling down later was warming up to 480~520 DEG C in 18~20 minutes, the temperature 20 is kept
~30 minutes；
（5）, secondary cooling：Glass after reheating is moved into air grid, starts intermittent blowing, often blown during intermittence blowing
Wind stops 5 seconds in 8~10 seconds, when glass temperature is down to 360 DEG C, stops blowing, glass is taken out from air grid, natural cooling
To room temperature；
（6）, embathe：By in the sodium sulfite solution by the glass of natural cooling immersion pH value between 0.5~1.0, soak
30~50 minutes, then glass is transferred in clear water reserviors and is cleaned；
（7）, the safety glass after cleaning carries out spraying coating operation, the composition of spraying raw material is erucic acid 3~8%, polyether silicone oil
3~4%, the deionized water of nano-titanium oxide 1~2%, polyethylene glycol 2~3%, melamine resin 1~2% and surplus；
（8）, the safety glass after film is put into oven and is toasted；
（9）, the safety glass after baking is put into cleaning machine and cleaned, obtain final product safety glass.
2. as claimed in claim 1 a kind of manufacturing process of safety glass, it is characterised in that：The step（1）Middle glass passes through
The heat time of 3min is warming up to 180 DEG C.
3. as claimed in claim 1 a kind of manufacturing process of safety glass, it is characterised in that：The step（2）Middle glass temperature
300 DEG C were warming up in 12 minutes, 380 DEG C were then warming up in 5 minutes, 620 DEG C were finally warming up in 5 minutes.
4. as claimed in claim 1 a kind of manufacturing process of safety glass, it is characterised in that：The step（3）Middle glass temperature
340 DEG C were down in 10 seconds.
5. as claimed in claim 1 a kind of manufacturing process of safety glass, it is characterised in that：The step（4）Middle glass temperature
500 DEG C were warming up in 20 minutes, the temperature 30 minutes are incubated.
6. as claimed in claim 1 a kind of manufacturing process of safety glass, it is characterised in that：The step（7）Middle spraying plated film
Operating parameter be：Air pressure is 0.48MPa, and spray distance is 20cm.
7. as claimed in claim 1 a kind of manufacturing process of safety glass, it is characterised in that：The step（8）Middle baking temperature
It it is 260 DEG C, baking time is 20min.
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Application publication date: 20170531 |