CN109574483A - A kind of processing technology of antibacterial tempered glass - Google Patents
A kind of processing technology of antibacterial tempered glass Download PDFInfo
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- CN109574483A CN109574483A CN201910008532.2A CN201910008532A CN109574483A CN 109574483 A CN109574483 A CN 109574483A CN 201910008532 A CN201910008532 A CN 201910008532A CN 109574483 A CN109574483 A CN 109574483A
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- 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
- 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
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
- C03C17/3423—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings comprising a suboxide
-
- 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
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
- C03C17/3429—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating
- C03C17/3494—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating comprising other salts, e.g. sulfate, phosphate
-
- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/71—Photocatalytic coatings
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/112—Deposition methods from solutions or suspensions by spraying
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/31—Pre-treatment
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/32—After-treatment
Abstract
The present invention provides a kind of processing technology of antibacterial tempered glass, belongs to tempered glass technical field.The technical solution adopted is that a kind of processing technology of antibacterial tempered glass, comprising the following steps: clean glass baseplate to be processed and be preheated to 50-100 DEG C；Peroxide titanium complex aqueous solution is filled to ultrasonic ultrasonic delay line memory, control atomizing spraying distance 5-300cm, atomization quantity 200-8000mL/h, 50-90 DEG C of atomization temperature, glass baseplate speed of service 0.5-10cm/s carry out atomizing spraying, obtain coating material；Tempering line is gone to after coating material is dry, starts annealing furnace, tempering processing is carried out according to the tempered glass technique of corresponding thickness, obtains antibacterial tempered glass.Beneficial effect is that present invention processing is widely used in existing production line processing, and step is succinct, is not necessarily to extra highly energy-consuming link, process flow time-consuming is short, high-efficient；Gained tempered glass anti-microbial property is excellent, wash-resistant property is excellent.
Description
Technical field
The present invention relates to tempered glass technical fields, and in particular to a kind of processing technology of antibacterial tempered glass.
Background technique
The environmental pollution such as pollution such as the aggregation of indoor decoration pollution object, bacterial virus and outdoor discharge flue gas is in current overall situation
It is increasingly prominent in the case where complexity, indoor major air pollutants such as formaldehyde, benzene,toluene,xylene, volatile organic compounds
(VOC) etc., it is mostly derived from plate, emulsion paint, wallpaper, the adhesive etc. that interior decoration uses.It is another to seriously threaten human health
Be the aggregation of bacterial virus in indoor environment, residual, the especially foods such as kitchen and toilet shelve, be moist, air circulation
Poor position is also easy to produce peculiar smell etc., these easily cause health problem, also increasingly by the common concern of occupant.
In many measures for improving environment, photocatalyst with the excellent properties such as its stable and durable effect, easy to use, it is deep by
The favour of the majority of consumers.Photocatalyst can generate similar photosynthetic light-catalyzed reaction, produce oxidation under the irradiation of light
Very competent free hydroxy and active oxygen have very strong photoredox function, oxidable to decompose various organic compounds
With part inorganic matter, the cell membrane of bacterium can be destroyed and solidify the protein of virus, organic pollutant can be resolved into pollution-free
Water and carbon dioxide, thus have extremely strong sterilization, air purification function.
However, the defect of photocatalyst in the application also increasingly shows at present, photocatalyst spray is such as sprayed on metope, furniture table
Face, but be easy to fall off, or even cause wall body slit, furniture drum head etc.；On the other hand, the titanium dioxide of nanosizing is in placement process
In it is easy to reunite, cause discomposing effect to substantially reduce.Photocatalyst is solidificated in articles for daily use, thus harmful gas in air of degrading
Body and sterilization are another breakthrough progress, but the environment-friendly products of curtain wall in the market at present, and being largely will using organic binder
Photocatalyst is adhesively fixed, the disadvantage is that this Shen of binder is easy to be decomposed by photocatalyst, causes falling off for photocatalyst.In house decoration
In, tempered glass with easy to use, safe, visual sense is good etc. a little, sliding door and window is widely used in, in bath articles, as can will
Photocatalyst is in conjunction with tempered glass organic stabilizers, and industrial mass production, will have important improvement to home environment.
The Chinese invention patent of CN107140850A discloses a kind of plated film antibacterial tempered glass and preparation method thereof, including prepares antibacterial
Film layer coating solution, glass cleaning, roller coating, printing or spray antimicrobial film layer coating solution on cleaned glass substrate, then carry out object
Tempering is managed, plated film antibiotic glass is obtained.Its antibacterial film layer coating solution complicated composition, preparation difficulty are higher, on the other hand, traditional
Spraying process such as Air spraying, airless spraying and mixed gas spraying method etc., the carrier surface after spraying, which will appear spraying unevenness, leads
The rainbow phenomena of cause, spray painting control is stringenter, and the coating quality requirement of anti-microbial coating liquid is not achieved, although ion sputtering equipment
Coating effects are strong but equipment is expensive, and condition control is complicated, higher cost, and lacks on influences such as the hardness of glass, colors and integrate
It investigates, causes its uncertain factor more, bring more difficulty to industrialized production.
Summary of the invention
To solve, existing antibacterial tempered glass coating preparation is difficult, plated film is uneven, properties of product are low, yield rate is low, are processed into
This high technical problem, the present invention provide a kind of processing technology of antibacterial tempered glass, using strict control ultrasonic atomizatio plated film
The technical solution combined with steel process realizes efficiently preparation antibacterial tempered glass, and film surface is smooth, high no rainbow, kills
Bacterium is high-efficient, and production technology is easily controllable, without increasing energy consumption, especially suitable for industrialized production.
The technical solution adopted by the present invention is that: a kind of processing technology of antibacterial tempered glass, the processing technology include with
Lower step:
(1) glass baseplate is handled: glass baseplate to be processed being cleaned and is preheated to 50-100 DEG C；
(2) peroxide titanium complex aqueous solution atomizing spraying photo-catalytic antibacterial mother liquor: is filled to ultrasonic ultrasonic delay line memory, control atomization spray
Apply distance 5-300 cm, atomization quantity 200-8000 mL/h, 50-90 DEG C of atomization temperature, glass baseplate speed of service 0.5-10
Cm/s carries out atomizing spraying, obtains coating material；
(3) tempering line is gone to after coating material is dry, starts annealing furnace, is carried out according to the tempered glass technique of corresponding thickness
Tempering processing, obtains antibacterial tempered glass.
Further, the step (3) carries out controlling tempering in tempering processing according to the tempered glass technique of corresponding thickness
Temperature be 650-730 DEG C, tempering time 5s-10min, cooling time 0.5-10min.
Further, atomizing spraying photo-catalytic antibacterial mother liquor is segmentation heating type multicoating in the step (2), by light
Catalyst antibacterial mother liquor is filled to ultrasonic ultrasonic delay line memory, sets spray distance 5-300 cm, atomization quantity 200-8000 mL/h, glass base
Material speed of service 0.5-10 cm/s controls 50-90 DEG C of atomization temperature progress, and atomizing spraying is respectively formed basement membrane, reinforced film three times
With surface layer film.
Further, in the step (2) coating material after atomizing spraying by parallel electrode plate generate electric field into
Row electric-field enhancing ordering treatment.
Further, the coating material carries out electric-field enhancing ordering treatment by the electric field that parallel electrode plate generates
It is dried simultaneously.
Further, auxiliary liquid I is sprayed after the antibacterial tempered glass is made, the auxiliary liquid I is for copper chloride, copper sulphate
And/or the aqueous solution of copper nitrate, concentration 0.01-0.06mol/L, spraying conditions are that control spray gun bore is 0.3-0.8mm, spray
Apply pressure 0.8MPa.
Further, auxiliary liquid II is sprayed after the auxiliary liquid I is dry, auxiliary liquid II is that the hydrazine hydrate of 0.005-0.02mol/L is molten
Liquid, spraying conditions are that control spray gun bore is 0.3-0.8mm, spray pressure 0.8MPa.
A kind of antibacterial toughened glass chopping board, the processing technology of the toughened glass chopping board are using any of the above-described work
Skill.
Further, the processing technology of the toughened glass chopping board further include chopping block one side hot pressing processing antidetonation it is anti-skidding
Coating.
The beneficial effects of the present invention are: (1) processing technology of the present invention is processed based on existing production line, step is succinct, is not necessarily to
Extra highly energy-consuming link, process flow time-consuming is short, high-efficient；Toughening process makes photocatalyst molecule, particle in sterilizing membrane embedding
Enter surface layer of glass, firmness is high, and antibacterial film firmness is high, wear-resisting property is good；(2) in further improved technical solution, electric field
Enhancing ordering treatment technique enhances the energy of position of antibacterial film layer particle, keeps gained tempered glass surface bacteriostasis property excellent
On the basis of, more realize within the scope of a distance of surface strong antibacterial, can be widely used for production has bactericidal demand
Product, such as chopping block, washbasin, table top ensure that the safe, hygienic of glass product significantly；(3) product produced can also degrade
Formaldehyde efficiently improves environment；(4) technique is easily controllable, can be widely used in each manufacturer's assembly line, and investment is low, at low cost,
Industrialization promotion is easy.
Specific embodiment
A kind of processing technology of antibacterial tempered glass provided by the present invention will be described in detail with specific embodiment below, but not
The protection scope that present invention is limited in any form, improvement modification that one of ordinary skill in the art are carried out according to technical solution or
The similar replacement of person, should all be included in the protection scope of the present invention.
Embodiment 1
A kind of processing technology of antibacterial tempered glass, the processing technology the following steps are included:
(1) glass baseplate is handled: by glass with washes of absolute alcohol 3 times to remove surface and oil contaminant, then 3 times wash with distilled water,
It is dried in drying box, and is preheated to 60 DEG C；
(2) photo-catalytic antibacterial mother liquor peroxide titanium complex aqueous solution atomizing spraying photo-catalytic antibacterial mother liquor: is filled to ultrasonic fog
Change device, control atomizing spraying distance 5-300 cm, atomization quantity 200-8000 mL/h, 70 DEG C of atomization temperature, glass baseplate operation speed
0.5-10 cm/s is spent, atomizing spraying is carried out to glass baseplate, obtains coating material；
(3) tempering line is gone to after coating material is dry, starts annealing furnace, is carried out according to the tempered glass technique of corresponding thickness
Tempering processing is to get antibacterial tempered glass, in actual production, should integrate and consider that spray film expands glass tempering process intermediate ion comprehensively
Influence etc. of the scattered influence and tempering temperature, time, cooling temperature, time to antibacterial film property, glass properties, according to glass
Mature steel process is treated in journey, and controlling tempering temperature according to glass substrate thicknesses is 650-730 DEG C, tempering time
5s-10min, cooling time 0.5-10min, specifically, increasing with thickness of glass, tempering temperature is slightly reduced, the tempering time extend；
When thickness of glass is 3-4mm, tempering temperature controls 720-730 DEG C of upper temp, 715-725 DEG C of temperature of lower, tempering time
5-20s, 30-60s cooling time after tempering；When thickness of glass is 5-6mm, 710-720 DEG C of upper temp of tempering temperature control,
705-715 DEG C of temperature of lower, tempering time 30-60s, 75-95s cooling time after tempering；When thickness of glass is 8-10mm, steel
Change temperature and controls 700-710 DEG C of upper temp, 700-705 DEG C of temperature of lower, tempering time 80-150s, cooling time after tempering
140-180s；When thickness of glass is 12mm, tempering temperature controls 690-695 DEG C of upper temp, 685-690 DEG C of temperature of lower,
Tempering time 180-200s, 200 ± 15s cooling time after tempering；When thickness of glass is 15-19mm, in tempering temperature control
660-665 DEG C of portion's temperature, 655-660 DEG C of temperature of lower, tempering time 260-400s, 400-500s cooling time after tempering.Ingeniously
Wonderful borrow toughening process makes photocatalyst molecule, particle in sterilizing membrane disposably be embedded in surface layer of glass, and firmness is high, antibacterial
Film firmness is high, wear-resisting property is good, has both realized the high-quality tempering of glass, in turn avoids especially increasing for plating photocatalyst antibacterial film
Processing step and the energy is greatly saved in heating stepses, efficiently high-quality.
Auxiliary liquid I is sprayed after antibacterial tempered glass is made, auxiliary liquid I is for the water-soluble of copper chloride, copper sulphate and/or copper nitrate
Liquid, concentration 0.01-0.06mol/L, spraying conditions are that control spray gun bore is 0.3-0.8mm, spray pressure 0.8MPa.Copper from
The increase of son can effectively improve optical response range, improve carrier separation efficiency.
Auxiliary liquid II is sprayed after the auxiliary liquid I is dry, auxiliary liquid II is the hydrazine hydrate solution of 0.005-0.02mol/L, spray strip
Part is that control spray gun bore is 0.3-0.8mm, and spray pressure 0.8MPa, it is monovalence cuprous ion that hydrazine hydrate, which can restore copper ion,
There is antibacterial action under no light condition, so that antibiotic glass has Continuous sterilization antibacterial ability.
Embodiment 2
The effect of to further increase antibacterial film layer, on the basis of embodiment 1, in the present embodiment, atomization in the step (2)
Spraying photo-catalytic antibacterial mother liquor is segmentation heating type multicoating, and photo-catalytic antibacterial mother liquor peroxide titanium complex aqueous solution is filled to
Ultrasonic ultrasonic delay line memory, setting 60 cm of spray distance, 1200 mL/h of atomization quantity, 5 cm/s of the glass baseplate speed of service control mist
Change temperature 70 C and carry out atomizing spraying three times, first time atomizing spraying forms basement membrane；Second of atomization spray is carried out after basement membrane is dry
Painting forms reinforced film；Third time atomizing spraying is carried out again after reinforced film is dry forms surface layer film.The structure of multilayer film improves anti-
The thickness of mycoderm layer, effectively preventing antibacterial effect caused by scratching reduces.
Embodiment 3
The effect of to further increase antibacterial film layer, on the basis of embodiment 1, coating material is being atomized in the step (2)
It after spraying, is directly entered in the electric field of parallel electrode plate generation, the preferred 30-120cm of parallel pole plate spacing, between parallel electrode plate
Voltage controls 500-2000V, and control glass baseplate speed of service 0.5-10 cm/s advances, the light touching being atomized during advance
Matchmaker's antibacterial mother liquor is gradual drying simultaneously, and under electric field action, the microcosmic electronics of photocatalyst particle obtains enhancing ordering treatment, electricity
Potential energy increases significantly, is conducive to accelerate the contact of the microorganisms with photocatalyst such as bacterium in short distance.It is proved by antibacterial experiment, institute
Obtaining its surface of antibacterial tempered glass has excellent anti-microbial property, and gained antibacterial tempered glass is within the scope of the 0.5cm of surface
Space bacterial content is also almost 0, has effects that space gnotobasis is kept, for having more when making antibacterial case, antistaling box
Wide application prospect.
Embodiment 4
A kind of antibacterial toughened glass chopping board, the technique based on embodiment 2 or 3, selected glass baseplate are according to chopping block shape, ruler
The one or both sides of glass baseplate may be selected in the glass baseplate of very little cutting, atomizing spraying photo-catalytic antibacterial mother liquor, when guaranteeing to use
Front has by spraying photo-catalytic antibacterial mother liquor technique, after obtained antibacterial tempered glass or after spraying auxiliary liquid I, auxiliary liquid II
Also antidetonation nonskid coating is processed in the one side hot pressing of chopping block.
Following experimental performance test is carried out to antibacterial tempered glass prepared by embodiment 1-3:
1, anti-microbial property test
Using staphylococcus aureus (bacterium numbering ATCC6538) as indicator bacteria, the strain concentration 3.78 × 10 of inoculation6CFU,
It is wanted according to GBT 30706-2014 " photocatalysis antibacterial material and product anti-microbial property test method and evaluation under radiation of visible light "
The detection for carrying out sterilizing rate is asked, is tested with after radiation of visible light 2 hours.Further, the anti-microbial property under no light condition is measured, first
After radiation of visible light 2h, dark is protected from light 2h, then measures its bactericidal property.
2, degradation rate measures
The setting of test chamber: antibiotic glass obtained by each embodiment prepares the sample of the single side tempering antibiotic glass of diameter 580mm
It is 1.5m that corresponding each sample prepares volume respectively3Laboratory Module, separately prepare a 1.5m3Blank control cabin, in each test chamber
In be respectively put into the formaldehyde pollution source of an identical slow release, and close test chamber；The wind of test chamber is then opened simultaneously
Fan, make Cabin contamination object cycle balance, for 24 hours after again simultaneously the concentration of pollutant in test chamber is sampled, analysis test, meter
Pollutants removal rate is calculated, calculation method is referring to following formula: pollutants removal rate=(blank control cabin pollutant concentration value-sample
Laboratory Module pollutant concentration value) ÷ blank control cabin pollutant concentration value × 100%.
3, wash-resistant property is tested
Method is tested according to wash-resistant property in JC/T 897 " antibacterial ceramic products anti-microbial property ", is used using washability testing machine
After 5% aqueous sodium hypochlorite solution scrubs 500 times, antibacterial test is carried out.95% is reached to the antibiotic rate of staphylococcus aureus, far
85% as defined in being above standard.
In summary as it can be seen that the processing technology of antibacterial tempered glass provided by the invention is succinct, prior art is not influenced, no
Increase extra energy consumption, and gained tempered glass anti-microbial property is excellent, wash-resistant property is excellent.
Claims (9)
1. a kind of processing technology of antibacterial tempered glass, which is characterized in that the processing technology the following steps are included:
(1) glass baseplate is handled: glass baseplate to be processed being cleaned and is preheated to 50-100 DEG C；
(2) peroxide titanium complex aqueous solution atomizing spraying photo-catalytic antibacterial mother liquor: is filled to ultrasonic ultrasonic delay line memory, control atomization spray
Apply distance 5-300 cm, atomization quantity 200-8000 mL/h, 50-90 DEG C of atomization temperature, glass baseplate speed of service 0.5-10
Cm/s carries out atomizing spraying, obtains coating material；
(3) tempering line is gone to after coating material is dry, starts annealing furnace, is carried out according to the tempered glass technique of corresponding thickness
Tempering processing, obtains antibacterial tempered glass.
2. processing technology according to claim 1, which is characterized in that the step (3) is according to the tempering glass for corresponding to thickness
Glass technique carry out tempering processing in control tempering temperature be 650-730 DEG C, tempering time 5s-10min, cooling time 0.5-
10min。
3. processing technology according to claim 1 or 2, which is characterized in that atomizing spraying photocatalyst is anti-in the step (2)
Mother bacterial liquid is segmentation heating type multicoating, and photo-catalytic antibacterial mother liquor is filled to ultrasonic ultrasonic delay line memory, sets spray distance 5-300
Cm, atomization quantity 200-8000 mL/h, glass baseplate speed of service 0.5-10 cm/s control 50-90 DEG C of atomization temperature and carry out three
Secondary atomizing spraying is respectively formed basement membrane, reinforced film and surface layer film.
4. processing technology according to claim 1, which is characterized in that coating material is in atomizing spraying in the step (2)
Electric-field enhancing ordering treatment is carried out by the electric field that parallel electrode plate generates afterwards.
5. processing technology according to claim 4, which is characterized in that the coating material is generated by parallel electrode plate
Electric field be dried while electric-field enhancing ordering treatment.
6. processing technology according to claim 1, which is characterized in that the antibacterial tempered glass sprays auxiliary liquid I after being made,
The auxiliary liquid I is the concentration 0.01-0.06mol/L for the aqueous solution of copper chloride, copper sulphate and/or copper nitrate, and spraying conditions are
Control spray gun bore is 0.3-0.8mm, spray pressure 0.8MPa.
7. processing technology according to claim 5, which is characterized in that spray auxiliary liquid II, auxiliary liquid II after the auxiliary liquid I is dry
For the hydrazine hydrate solution of 0.005-0.02mol/L, spraying conditions are that control spray gun bore is 0.3-0.8mm, spray pressure
0.8MPa。
8. a kind of antibacterial toughened glass chopping board, which is characterized in that the processing technology of the toughened glass chopping board is to be wanted using right
Seek any technique of 1-7.
9. antibacterial toughened glass chopping board according to claim 8, which is characterized in that the processing work of the toughened glass chopping board
Skill further includes the one side hot pressing processing antidetonation nonskid coating in chopping block.
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| CN112939480A (en) * | 2021-04-07 | 2021-06-11 | 索拉特特种玻璃(江苏)股份有限公司 | Ultra-white float glass coating tempering processing technology |
| CN114892158A (en) * | 2022-03-25 | 2022-08-12 | 温州安能科技有限公司 | Method for plating corrosion-resistant low-resistance nano film on surface of aluminum alloy |
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