CN109504155B - Polishing solution for removing glass edge oil and process for removing glass edge oil - Google Patents
Polishing solution for removing glass edge oil and process for removing glass edge oil Download PDFInfo
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- CN109504155B CN109504155B CN201710838331.6A CN201710838331A CN109504155B CN 109504155 B CN109504155 B CN 109504155B CN 201710838331 A CN201710838331 A CN 201710838331A CN 109504155 B CN109504155 B CN 109504155B
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- Prior art keywords
- glass
- glass edge
- edge oil
- polishing
- polishing solution
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- 239000011521 glass Substances 0.000 title claims abstract description 253
- 238000005498 polishing Methods 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000008569 process Effects 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 42
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000375 suspending agent Substances 0.000 claims abstract description 26
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 25
- 239000010985 leather Substances 0.000 claims description 77
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 60
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 51
- 239000012459 cleaning agent Substances 0.000 claims description 46
- 238000004140 cleaning Methods 0.000 claims description 36
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 27
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 24
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 21
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 20
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 20
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 11
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 9
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 9
- 150000002191 fatty alcohols Chemical class 0.000 claims description 9
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 9
- 235000011152 sodium sulphate Nutrition 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 239000004745 nonwoven fabric Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 6
- 229940074404 sodium succinate Drugs 0.000 claims description 3
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical compound [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920005614 potassium polyacrylate Polymers 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims 3
- 230000035515 penetration Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 114
- 239000000243 solution Substances 0.000 description 90
- 230000000052 comparative effect Effects 0.000 description 25
- 230000000694 effects Effects 0.000 description 13
- 239000011734 sodium Substances 0.000 description 11
- 229910052708 sodium Inorganic materials 0.000 description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 241001631030 Explorator Species 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- CPRMKOQKXYSDML-UHFFFAOYSA-M rubidium hydroxide Chemical compound [OH-].[Rb+] CPRMKOQKXYSDML-UHFFFAOYSA-M 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- CWQSNJSRIUPVNR-UHFFFAOYSA-M [OH-].[Fr+] Chemical compound [OH-].[Fr+] CWQSNJSRIUPVNR-UHFFFAOYSA-M 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000003666 anti-fingerprint Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 125000005586 carbonic acid group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- -1 sodium fatty alcohol Chemical class 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/04—Chemical paint or ink removers with surface-active agents
-
- B08B1/32—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
Abstract
The invention relates to the field of glass manufacturing, and particularly provides a polishing solution for removing glass edge oil and a process for removing the glass edge oil. The polishing solution comprises the following components in percentage by mass: 8-10% of cerium oxide, 30-35% of suspending agent, 5-8% of alkali metal hydroxide and the balance of water. The polishing solution can effectively remove glass edge oil, has stable performance, high polishing precision and high polishing efficiency, can protect glass from being scratched, cannot cause the phenomenon of edge penetration, and has good appearance and high yield of glass products treated by the polishing solution.
Description
Technical Field
The invention relates to the field of glass manufacturing, in particular to polishing solution for removing glass edge oil and a process for removing the glass edge oil.
Background
With the progress of society, 2.5D glass and 3D glass have been applied to electronic products and become a fashion, and compared with traditional plastics and metal mobile phone battery covers, 2.5D, 3D curved surface glass have frivolous, transparent clean, anti-fingerprint, anti-dazzle, scrape resistance, good weatherability advantage. At present, the edge oil of products after 2.5D glass and 3D glass are sprayed with ink is very serious, and the appearance of the products is poor if the products are not wiped cleanly; if the product is manually wiped, the efficiency is low, and the product is scratched, has poor edge penetration and other problems, so that the product quality is seriously influenced. Under the conditions of market development and change, the development of a complete and stable process for removing the glass edge oil is urgently needed to meet the production requirement.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The first purpose of the invention is to provide a polishing solution for removing glass edge oil, which can effectively remove the glass edge oil, has stable performance, high polishing precision and high polishing efficiency, can protect glass from being scratched, cannot cause the phenomenon of edge penetration, and can ensure that a glass product treated by the polishing solution has good appearance and high yield.
The second objective of the present invention is to provide a process for removing glass edge oil by using the polishing solution, wherein the process can effectively remove the glass edge oil, can protect glass from being scratched, does not cause edge penetration, and has good appearance and high yield of processed glass products.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
in a first aspect, the invention provides a polishing solution for removing glass edge oil, which comprises the following components in percentage by mass: 8-10% of cerium oxide, 30-35% of suspending agent, 5-8% of alkali metal hydroxide and the balance of water.
As a further preferable technical scheme, the polishing solution comprises the following components in percentage by mass: 8.5 to 9.5 percent of cerium oxide, 31 to 34 percent of suspending agent, 5.5 to 7.5 percent of alkali metal hydroxide and the balance of water;
preferably, the polishing solution comprises the following components in percentage by mass: 8.5-9% of cerium oxide, 32-33% of suspending agent, 6-7% of alkali metal hydroxide and the balance of water.
As a further preferable technical solution, the glass is 2.5D glass or 3D glass.
As a further preferred technical scheme, the suspending agent is alcohol of C1-C4;
preferably, the suspending agent is at least one of methanol, ethanol, ethylene glycol, propylene glycol or glycerol.
As a further preferable mode, the alkali metal hydroxide is at least one of potassium hydroxide, sodium hydroxide, and lithium hydroxide.
In a second aspect, the invention provides a process for removing glass edge oil, which uses the polishing solution for removing glass edge oil to remove glass edge oil.
As a further preferable technical scheme, when the glass edge oil is removed, the rotating speed of the brush wheel is 450-;
preferably, the polishing solution is firstly diluted by adding water to the concentration of 1.15-1.20g/mL and then used for removing the glass edge oil.
As a further preferable technical scheme, the method also comprises the steps of positioning and fixing the glass before removing the glass edge oil, and covering the straight body position and the inner concave surface of the glass with polishing leather;
preferably, the step of cleaning the glass after the glass edge oil is removed by using a cleaning agent is further included after the glass edge oil is removed.
According to a further preferable technical scheme, the polishing leather is mainly formed by overlapping an inner layer polishing leather, a middle layer polishing leather and an outer layer polishing leather, the polishing leather is made of non-woven fabrics, and the hardness is 80-90; the thickness of the middle layer of polished leather is 2-5mm, and the thickness of the inner layer of polished leather and the thickness of the outer layer of polished leather are both 1-2 mm;
preferably, the glass is 2.5D glass or 3D glass.
As a further preferable technical scheme, the concentrated solution of the cleaning agent comprises the following components in percentage by mass: 5-10% of isomeric alcohol polyoxyethylene ether, 3-5% of fatty alcohol polyoxyethylene ether sodium sulfate, 5-8% of polyepoxy sodium succinate, 3-5% of soluble carbonate, 1-3% of Na-EDTA and the balance of water;
preferably, the mass percentage of the concentrated solution in the cleaning agent is 5% -10%;
preferably, the rotating speed of the brush is 280-320r/min, the linear speed is 3-3.5m/min, the cleaning temperature is 55-60 ℃, and the spraying pressure of the cleaning agent is 0.3-0.8kg/cm during cleaning3。
Compared with the prior art, the invention has the beneficial effects that:
the polishing solution for removing the glass edge oil provided by the invention mainly comprises cerium oxide, a suspending agent, alkali metal hydroxide and water, wherein the cerium oxide is used as an abrasive, the alkali metal hydroxide is used as a pH regulator, so that the polishing solution is alkaline, ink is convenient to dissolve, the cerium oxide has good dispersibility under the action of the suspending agent with specific content and the water, and the phenomenon of particle agglomeration is avoided, so that the glass can be protected from being scratched, and the phenomenon of edge penetration is avoided; the polishing solution has the advantages of stable performance, high polishing precision and high polishing efficiency under the coordination of all components, glass edge oil can be effectively removed, and a glass product treated by the polishing solution has good appearance and high yield; in addition, the polishing liquid has the advantage of being easy to clean compared with titanium oxide, iron oxide or silicon dioxide polishing liquid.
The process for removing the glass edge oil provided by the invention uses the polishing solution to remove the glass edge oil, can effectively remove the glass edge oil, can protect glass from being scratched, cannot cause the phenomenon of edge penetration, and has good appearance and high yield of the treated glass product.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer.
In a first aspect, the invention provides a polishing solution for removing glass edge oil, which comprises the following components in percentage by mass: 8-10% of cerium oxide, 30-35% of suspending agent, 5-8% of alkali metal hydroxide and the balance of water.
The cerium oxide is light yellow or yellow brown powder, and has the advantages of high polishing speed, high smoothness and long service life when used as an abrasive. In the polishing solution of the present invention, the content of cerium oxide is typically, but not limited to, by mass percent: 8%, 8.1%, 8.2%, 8.3%, 8.4%, 8.5%, 8.6%, 8.7%, 8.8%, 8.9%, 9%, 9.1%, 9.2%, 9.3%, 9.4%, 9.5%, 9.6%, 9.7%, 9.8%, 9.9% or 10%.
The suspending agent has the main functions of suspending and dispersing cerium oxide, so that the cerium oxide can be uniformly dispersed in the polishing solution, the cerium oxide is prevented from agglomerating, the glass is prevented from being scratched after acting on the surface of the glass, the edge penetration phenomenon is reduced, and the product yield is improved. In the polishing solution of the present invention, the content of the suspending agent is typically, but not limited to, by mass percent: 30%, 30.5%, 31%, 31.5%, 32%, 32.5%, 33%, 33.5%, 34%, 34.5% or 35%.
Alkali metal hydroxide refers to hydroxides of alkali metals, such as lithium hydroxide, sodium hydroxide, potassium hydroxide, rubidium hydroxide, cesium hydroxide, francium hydroxide, and the like. The alkali metal hydroxide is used as a pH regulator to regulate the pH of the polishing solution to be alkaline, so that the glass edge oil removal effect is improved. Too low content of alkali metal hydroxide can cause poor removal effect, and too high content of alkali metal hydroxide can cause the polishing solution to have strong corrosion to equipment and poor safety and environmental protection performance. In the polishing solution of the present invention, the content of the alkali metal hydroxide is typically, but not limited to, by mass percent: 5%, 5.5%, 6%, 6.5%, 7%, 7.5% or 8%.
The water may be conventional water, or may be deionized water or ultrapure water. It should be noted that the balance of water means that the balance of the components of the polishing solution of the present invention excluding cerium oxide, the suspending agent, the alkali metal hydroxide and optionally other components is water, and the sum of the mass percentages of water and cerium oxide, the suspending agent, the alkali metal hydroxide and optionally other components is 100%.
In the present invention, "glass edge oil" refers to excess ink on the arc-shaped surface of the glass protruding outward after the glass is sprayed or printed with ink.
The polishing solution for removing the glass edge oil mainly comprises cerium oxide, a suspending agent, alkali metal hydroxide and water, wherein the cerium oxide is used as an abrasive, the alkali metal hydroxide is used as a pH regulator, so that the polishing solution is alkaline, ink is convenient to dissolve, the cerium oxide has good dispersibility under the action of the suspending agent and water with specific content, and the phenomenon of particle agglomeration is avoided, so that the glass can be protected from being scratched, and the phenomenon of edge penetration is avoided; the polishing solution has the advantages of stable performance, high polishing precision and high polishing efficiency under the coordination of all components, glass edge oil can be effectively removed, and a glass product treated by the polishing solution has good appearance and high yield; in addition, the polishing liquid has the advantage of being easy to clean compared with titanium oxide, iron oxide or silicon dioxide polishing liquid.
In a preferred embodiment, the polishing solution comprises the following components in percentage by mass: 8.5 to 9.5 percent of cerium oxide, 31 to 34 percent of suspending agent, 5.5 to 7.5 percent of alkali metal hydroxide and the balance of water.
Preferably, the polishing solution comprises the following components in percentage by mass: 8.5-9% of cerium oxide, 32-33% of suspending agent, 6-7% of alkali metal hydroxide and the balance of water.
In a preferred embodiment, the glass is 2.5D glass or 3D glass. The 2.5D glass is the glass with a plane center and a curved surface with a radian at the edge, and the 3D glass is the curved surface glass with a radian on the whole surface. The polishing solution is particularly suitable for removing the glass edge oil of 2.5D glass or 3D glass, and the removal effect of the polishing solution is superior to that of the existing polishing solution.
In a preferred embodiment, the suspending agent is a C1-C4 alcohol. The C1-C4 alcohol refers to alcohol with carbon number of 1, 2, 3 or 4, such as methanol, ethanol, ethylene glycol, n-propanol, isopropanol, propylene glycol, glycerol, 1-butanol, 2-methyl-1-propanol, 2-methyl-2-propanol.
Further preferably, the suspending agent is at least one of methanol, ethanol, ethylene glycol, propylene glycol or glycerol. Suspending agents are typically, but not limited to: methanol, ethanol, ethylene glycol, propylene glycol, glycerol, a combination of methanol and ethanol, a combination of ethylene glycol and propylene glycol, a combination of methanol, ethanol and ethylene glycol, or a combination of ethylene glycol, propylene glycol and glycerol, and the like.
Particularly preferably, the suspending agent is ethylene glycol.
In a preferred embodiment, the alkali metal hydroxide is at least one of potassium hydroxide, sodium hydroxide, or lithium hydroxide. Alkali metal hydroxides are typically, but not limited to: potassium hydroxide, sodium hydroxide, lithium hydroxide, potassium hydroxide and sodium hydroxide, a combination of sodium hydroxide and lithium hydroxide, a combination of potassium hydroxide and lithium hydroxide, or a combination of potassium hydroxide, sodium hydroxide and lithium hydroxide.
The preparation method of the polishing solution of the present invention includes, but is not limited to, uniformly mixing the components in the formula amounts, and one skilled in the art can also prepare the polishing solution by any method according to the needs, which is not particularly limited in the present invention.
In a second aspect, the invention provides a process for removing glass edge oil, which uses the polishing solution for removing glass edge oil to remove glass edge oil. According to the process for removing the glass edge oil, the polishing solution is used for removing the glass edge oil, the glass edge oil can be effectively removed, the glass can be protected from being scratched, the phenomenon of edge penetration cannot be caused, and the treated glass product is good in appearance and high in yield.
In a preferred embodiment, when the glass edge oil is removed, the rotating speed of the brush wheel is 450-550r/min, the brush profiling current is 1.9-1.95A, and the removal time is 7-9 min. The range of each parameter is reasonable, the removal effect of the glass edge oil can be influenced if the numerical value is too low, and resources can be wasted and the cost can be increased if the numerical value is too high.
The brush profiling current of 1.9-1.95A means that the profiling current of the left brush and the profiling current of the right brush are both 1.9-1.95A. The rotational speed of the brush wheel is typically, but not limited to: 450r/min, 460r/min, 470r/min, 480r/min, 490r/min, 500r/min, 510r/min, 520r/min, 530r/min, 540r/min or 550 r/min. The brush profiling currents described above are typically, but not limited to: 1.9A, 1.91A, 1.92A, 1.93A, 1.94A, or 1.95A. The removal time is typically, but not limited to: 7min, 7.5min, 8min, 8.5min or 9 min.
Preferably, the polishing solution is firstly diluted by adding water to the concentration of 1.15-1.20g/mL and then used for removing the glass edge oil. Such concentrations are typically, but not limited to, 1.15g/mL, 1.16g/mL, 1.17g/mL, 1.18g/mL, 1.19g/mL, or 1.20 g/mL. The concentration range is moderate, and the glass edge oil removing effect is good.
In a preferred embodiment, the method further comprises the steps of positioning and fixing the glass and covering the straight body and the inner concave surface of the glass with polishing leather before removing the glass edge oil. In the embodiment, before the glass edge oil is removed, the glass is positioned and fixed, and the polishing leather covers the straight body position and the concave surface of the glass, so that the ink on the straight body position and the concave surface of the glass is prevented from being removed by the polishing liquid, and the bad phenomena of edge penetration and the like are avoided.
The straight body of the glass refers to a plane part of the glass, and the inward concave surface of the glass refers to a surface of the glass which is concave inwards.
Preferably, the step of cleaning the glass after the glass edge oil is removed by using a cleaning agent is further included after the glass edge oil is removed. And after the glass edge oil is removed, cleaning the glass with the glass edge oil removed by using a cleaning agent, and cleaning the polishing solution on the surface of the glass so as to carry out the next processing procedure. The process has simple and complete steps, is easy to operate, can effectively remove the glass edge oil, can further reduce the phenomenon of edge penetration, can clean the polishing solution attached to the surface of the glass, and can directly process the cleaned glass in the next procedure.
It should be understood that, according to actual needs, those skilled in the art can further wash with water after washing with the cleaning agent, perform appearance inspection after washing is completed, and then enter the next process for qualified products.
In a preferred embodiment, the buffed leather is mainly formed by overlapping an inner buffed leather, a middle buffed leather and an outer buffed leather, the buffed leather is made of non-woven fabrics, and the hardness of the buffed leather is 80-90; the thickness of the middle layer of polished leather is 2-5mm, and the thickness of the inner layer of polished leather and the thickness of the outer layer of polished leather are both 1-2 mm. The polishing leather in the preferred embodiment is mainly formed by overlapping an inner layer polishing leather, a middle layer polishing leather and an outer layer polishing leather, is a three-layer polishing leather, can further improve the protection effect on the straight body position and the concave surface of the glass, and reduces the edge penetration phenomenon; the hardness of the polishing leather is 80-90, so that the polishing leather has good wear resistance and long service life.
The hardness of the buffed leather is typically, but not limited to, 80, 83, 85, 88, or 90. The thickness of the middle buffed leather is typically, but not limited to, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, or 5 mm. The thickness of the inner and outer buffed leathers is typically, but not limited to, 1mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm or 2 mm.
Preferably, the glass is 2.5D glass or 3D glass. The 2.5D glass is the glass with a plane center and a curved surface with a radian at the edge, and the 3D glass is the curved surface glass with a radian on the whole surface. The process for removing the glass edge oil is particularly suitable for removing the glass edge oil of 2.5D glass or 3D glass, and under the covering of specific polishing leather, the printing ink on the straight body and the concave surface of the 2.5D glass or 3D glass can be effectively protected from being damaged, and the edge penetration phenomenon is reduced.
In a preferred embodiment, the concentrated solution of the cleaning agent comprises the following components in percentage by mass: 5-10% of isomeric alcohol polyoxyethylene ether, 3-5% of fatty alcohol polyoxyethylene ether sodium sulfate, 5-8% of polyepoxy sodium succinate, 3-5% of soluble carbonate, 78-3% of Na-EDTA1 and the balance of water.
The concentrated solution of the cleaning agent has a reasonable formula, wherein the isomeric alcohol polyoxyethylene ether is a nonionic surfactant, the fatty alcohol polyoxyethylene ether sodium sulfate is an anionic surfactant, the concentrated solution is alkaline due to hydrolysis of soluble carbonate, the oil stain removal effect is improved, the sodium polyepoxysuccinate and Na-EDTA are used as cleaning aids, the sodium polyepoxysuccinate and the Na-EDTA mainly play a role of chelating agents and improve the cleaning effect, and through the cooperation of the components, the polishing solution on the surface of glass can be cleaned.
Soluble carbonate refers to any soluble salt formed from carbonic acid or dissolved carbon dioxide. In aqueous solution, carbonate ions, bicarbonate ions, carbon dioxide and carbonic acid form a dynamic equilibrium. As used herein, the term "carbonate" includes bicarbonate (HCO)3 -) And Carbonates (CO)3 2-) Forms and mixtures thereof. The soluble carbonate includes, for example, potassium carbonate, potassium hydrogencarbonate, sodium carbonate, sodium hydrogencarbonate and the like.
Na-EDTA refers to the sodium salt of EDTA (Ethylenediaminetetraacetic acid), which can bind 1-4 sodium, and may be, for example, EDTA-2Na or EDTA-4 Na.
In the cleaning agent, the content of the isomeric alcohol polyoxyethylene ether is typically, but not limited to, 5%, 5.5%, 6%, 6.5%, 7%, 7.5%, 8%, 8.5%, 9%, 9.5% or 10% by mass percent; typical but non-limiting amounts of sodium fatty alcohol polyoxyethylene ether sulphate are 3%, 3.2%, 3.4%, 3.6%, 3.8%, 4%, 4.2%, 4.4%, 4.6%, 4.8% or 5%; typical but non-limiting amounts of sodium polyepoxysuccinate are 5%, 5.5%, 6%, 6.5%, 7%, 7.5% or 8%; typical but non-limiting amounts of soluble carbonate are 3%, 3.2%, 3.4%, 3.6%, 3.8%, 4%, 4.2%, 4.4%, 4.6%, 4.8% or 5%; typical but non-limiting amounts of Na-EDTA are 1%, 1.2%, 1.4%, 1.6%, 1.8%, 2%, 2.2%, 2.4%, 2.6%, 2.8% or 3%.
The water may be conventional water, or may be deionized water or ultrapure water. It is to be noted that the balance of water means that the balance of water in the components of the concentrated solution of the cleaning agent of the invention excluding the isomeric alcohol polyoxyethylene ether, the fatty alcohol polyoxyethylene ether sodium sulfate, the sodium polyepoxysuccinate, the soluble carbonate, the Na-EDTA and optionally other components is 100% by mass of the sum of the water and the isomeric alcohol polyoxyethylene ether, the fatty alcohol polyoxyethylene ether sodium sulfate, the sodium polyepoxysuccinate, the soluble carbonate, the Na-EDTA and optionally other components.
The preparation method of the concentrated solution of the cleaning agent in the present invention includes, but is not limited to, mixing the components in the formula amount uniformly, and one skilled in the art can also adopt any existing method to prepare the concentrated solution of the cleaning agent according to the needs, and the present invention is not particularly limited thereto.
Preferably, the mass percentage of the concentrated solution in the cleaning agent is 5% -10%. The above percentages are typically, but not limited to, 5%, 5.5%, 6%, 6.5%, 7%, 7.5%, 8%, 8.5%, 9%, 9.5% or 10%.
Preferably, the rotating speed of the brush is 280-320r/min, the linear speed is 3-3.5m/min, the cleaning temperature is 55-60 ℃, and the spraying pressure of the cleaning agent is 0.3-0.8kg/cm during cleaning3. The ranges of the above parameters are reasonable, andtoo low a value will affect the cleaning effect, and too high a value will waste resources and increase the cost.
The rotating speed of the brush is typically, but not limited to, 280r/min, 285r/min, 290r/min, 295r/min, 300r/min, 305r/min, 310r/min, 315r/min or 320 r/min; line speeds are typically, but not limited to, 3m/min, 3.1m/min, 3.2m/min, 3.3m/min, 3.4m/min, or 3.5 m/min; the cleaning temperature is 55 ℃, 56 ℃, 57 ℃, 58 ℃, 59 ℃ or 60 ℃; the spray pressure of the cleaning agent is typically, but not limited to, 0.3kg/cm3、0.4kg/cm3、0.5kg/cm3、0.6kg/cm3、0.7kg/cm3Or 0.8kg/cm3。
The present invention will be described in further detail with reference to examples and comparative examples.
Example 1
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 8% of cerium oxide, 30% of ethylene glycol, 5% of potassium hydroxide and the balance of water.
Example 2
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 8.5% of cerium oxide, 32% of carboxymethyl cellulose, 6% of lithium hydroxide and the balance of water.
Example 3
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 9% of cerium oxide, 33% of polyacrylamide, 7% of sodium hydroxide and the balance of water.
Example 4
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 10% of cerium oxide, 35% of polyethylene glycol, 8% of sodium hydroxide and the balance of water.
Example 5
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 9% of cerium oxide, 32.5% of potassium polyacrylate, 6.5% of potassium hydroxide and the balance of water.
Example 6
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 9% of cerium oxide, 32.5% of methanol, 6.5% of potassium hydroxide and the balance of water.
Example 7
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 9% of cerium oxide, 32.5% of glycerol, 6.5% of potassium hydroxide and the balance of water.
Example 8
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 9% of cerium oxide, 32.5% of 1-butanol, 6.5% of potassium hydroxide and the balance of water.
Example 9
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 9% of cerium oxide, 32.5% of ethylene glycol and propylene glycol, 6.5% of potassium hydroxide and the balance of water.
Example 10
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 9% of cerium oxide, 32.5% of ethylene glycol, 6.5% of potassium hydroxide and the balance of water.
Examples 5 to 10 differ only in the choice of suspending agent.
Example 11
A process for removing glass edge oil comprises the following steps:
(a) positioning: positioning and fixing the glass, and covering the polishing leather on the straight body position and the inner concave surface of the glass;
(b) removing glass edge oil: removing glass edge oil by using the polishing solution in the embodiment 1, wherein when the glass edge oil is removed, the rotating speed of a brush wheel is 450r/min, the current of a brush profiling is 1.95A, and the removal time is 9 min; the polishing solution is firstly diluted by adding water to the concentration of 1.15g/mL, and then is used for removing glass edge oil;
(c) cleaning: cleaning the glass with the glass edge oil removed by using a cleaning agent; the cleaning agent is a mobile phone glass cleaning agent HY-2666 (Shenzhen Huayi science and technology Co., Ltd.).
Example 12
A process for removing glass edge oil comprises the following steps:
(a) positioning: positioning and fixing the glass, and covering the polishing leather on the straight body position and the inner concave surface of the glass;
(b) removing glass edge oil: removing glass edge oil by using the polishing solution in the embodiment 1, wherein when the glass edge oil is removed, the rotating speed of a brush wheel is 550r/min, the current of a brush explorator is 1.90A, and the removal time is 7 min; the polishing solution is firstly diluted by adding water to the concentration of 1.20g/mL, and then is used for removing glass edge oil;
(c) cleaning: cleaning the glass with the glass edge oil removed by using a cleaning agent; the cleaning agent is a mobile phone glass cleaning agent HY-2666 (Shenzhen Huayi science and technology Co., Ltd.).
Examples 13 to 22
A process for removing glass edge oil comprises the following steps:
(a) positioning: positioning and fixing the glass, and covering the polishing leather on the straight body position and the inner concave surface of the glass;
(b) removing glass edge oil: respectively adopting the polishing solutions of the embodiments 1 to 10 to remove the glass edge oil, wherein when the glass edge oil is removed, the rotating speed of a brush wheel is 500r/min, the current of a brush profiling is 1.92A, and the removal time is 8 min; the polishing solution is firstly diluted by adding water to the concentration of 1.17g/mL, and then is used for removing glass edge oil;
(c) cleaning: cleaning the glass with the glass edge oil removed by using a cleaning agent; the cleaning agent is a mobile phone glass cleaning agent HY-2666 (Shenzhen Huayi science and technology Co., Ltd.).
Example 23
A process for removing glass edge oil comprises the following steps:
(a) positioning: positioning and fixing the glass, and covering the polishing leather on the straight body position and the inner concave surface of the glass; the polishing leather is mainly formed by superposing an inner layer of polishing leather, a middle layer of polishing leather and an outer layer of polishing leather, the polishing leather is made of non-woven fabrics, and the hardness is 85; the thickness of the middle layer of polished leather is 3mm, and the thickness of the inner layer of polished leather and the thickness of the outer layer of polished leather are both 2mm
(b) Removing glass edge oil: removing glass edge oil by using the polishing solution in the embodiment 1, wherein when the glass edge oil is removed, the rotating speed of a brush wheel is 500r/min, the current of a brush explorator is 1.92A, and the removal time is 8 min; the polishing solution is firstly diluted by adding water to the concentration of 1.17g/mL, and then is used for removing glass edge oil;
(c) cleaning: cleaning the glass with the glass edge oil removed by using a cleaning agent; the cleaning agent is a mobile phone glass cleaning agent HY-2666 (Shenzhen Huayi science and technology Co., Ltd.).
Example 24
A process for removing glass edge oil comprises the following steps:
(a) positioning: positioning and fixing the glass, and covering the polishing leather on the straight body position and the inner concave surface of the glass; the polishing leather is mainly formed by superposing an inner layer of polishing leather, a middle layer of polishing leather and an outer layer of polishing leather, the polishing leather is made of non-woven fabrics, and the hardness is 85; the thickness of the middle layer of polished leather is 3mm, and the thickness of the inner layer of polished leather and the thickness of the outer layer of polished leather are both 2mm
(b) Removing glass edge oil: removing glass edge oil by using the polishing solution in the embodiment 1, wherein when the glass edge oil is removed, the rotating speed of a brush wheel is 500r/min, the current of a brush explorator is 1.92A, and the removal time is 8 min; the polishing solution is firstly diluted by adding water to the concentration of 1.17g/mL, and then is used for removing glass edge oil;
(c) cleaning: cleaning the glass with the glass edge oil removed by using a cleaning agent;
the concentrated solution of the cleaning agent comprises the following components in percentage by mass: 7% of isomeric alcohol polyoxyethylene ether, 4% of fatty alcohol polyoxyethylene ether sodium sulfate, 6% of sodium polyepoxysuccinate, 4% of sodium carbonate, 5% of EDTA-4Na and the balance of water; the mass percentage of the concentrated solution in the cleaning agent is 8 percent.
Example 25
A process for removing glass edge oil comprises the following steps:
(a) positioning: positioning and fixing the glass, and covering the polishing leather on the straight body position and the inner concave surface of the glass; the polishing leather is mainly formed by superposing an inner layer of polishing leather, a middle layer of polishing leather and an outer layer of polishing leather, the polishing leather is made of non-woven fabrics, and the hardness is 85; the thickness of the middle layer of polished leather is 3mm, and the thickness of the inner layer of polished leather and the thickness of the outer layer of polished leather are both 2mm
(b) Removing glass edge oil: removing glass edge oil by using the polishing solution in the embodiment 1, wherein when the glass edge oil is removed, the rotating speed of a brush wheel is 500r/min, the current of a brush explorator is 1.92A, and the removal time is 8 min; the polishing solution is firstly diluted by adding water to the concentration of 1.17g/mL, and then is used for removing glass edge oil;
(c) cleaning: cleaning the glass with the glass edge oil removed by using a cleaning agent;
the concentrated solution of the cleaning agent comprises the following components in percentage by mass: 7% of isomeric alcohol polyoxyethylene ether, 4% of fatty alcohol polyoxyethylene ether sodium sulfate, 6% of sodium polyepoxysuccinate, 4% of sodium carbonate, 5% of EDTA-4Na and the balance of water; the mass percentage of the concentrated solution in the cleaning agent is 8 percent;
when cleaning, the rotating speed of the brush is 300r/min, the linear speed is 3.2m/min, the cleaning temperature is 58 ℃, and the spraying pressure of the cleaning agent is 0.5kg/cm3。
Comparative example 1
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 12% of cerium oxide, 25% of ethylene glycol, 9% of potassium hydroxide and the balance of water.
Unlike example 1, the content of each component in this comparative example was out of the range provided by the present invention.
Comparative example 2
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 8% of cerium oxide, 5% of potassium hydroxide and the balance of water.
Unlike example 1, ethylene glycol was absent from this comparative example.
Comparative example 3
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 8% of titanium oxide, 30% of ethylene glycol, 5% of potassium hydroxide and the balance of water.
Unlike example 1, in this comparative example cerium oxide was replaced with titanium oxide.
Comparative example 4
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 8% of ferric oxide, 30% of ethylene glycol, 5% of potassium hydroxide and the balance of water.
Unlike example 1, in this comparative example cerium oxide was replaced by iron oxide.
Comparative example 5
The polishing solution for removing glass edge oil comprises the following components in percentage by mass: 8% of silicon dioxide, 30% of ethylene glycol, 5% of potassium hydroxide and the balance of water.
Unlike example 1, in this comparative example cerium oxide was replaced by silicon dioxide.
Comparative example 6
A commercially available nano cerium oxide polishing solution (Shenzhen Huayi science and technology Co., Ltd.).
Comparative examples 7 to 12
A process for removing glass edge oil comprises the following steps:
(a) positioning: positioning and fixing the glass, and covering the polishing leather on the straight body position and the inner concave surface of the glass; the polishing leather is mainly formed by superposing an inner layer of polishing leather, a middle layer of polishing leather and an outer layer of polishing leather, the polishing leather is made of non-woven fabrics, and the hardness is 85; the thickness of the middle layer of polished leather is 3mm, and the thickness of the inner layer of polished leather and the thickness of the outer layer of polished leather are both 2mm
(b) Removing glass edge oil: respectively adopting the polishing solutions of comparative examples 1-6 to remove glass edge oil, wherein when the glass edge oil is removed, the rotating speed of a brush wheel is 500r/min, the current of a brush explorator is 1.92A, and the removal time is 8 min;
wherein, the polishing solution in the comparative examples 1 to 5 is firstly diluted by adding water to the concentration of 1.17g/mL, and then is used for removing the glass edge oil; the polishing liquid in comparative example 6 was used in accordance with the product use instructions;
(c) cleaning: cleaning the glass with the glass edge oil removed by using a cleaning agent;
the concentrated solution of the cleaning agent comprises the following components in percentage by mass: 7% of isomeric alcohol polyoxyethylene ether, 4% of fatty alcohol polyoxyethylene ether sodium sulfate, 6% of sodium polyepoxysuccinate, 4% of sodium carbonate, 5% of EDTA-4Na and the balance of water; the mass percentage of the concentrated solution in the cleaning agent is 8 percent;
when cleaning, the rotating speed of the brush is 300r/min, the linear speed is 3.2m/min, the cleaning temperature is 58 ℃, and the spraying pressure of the cleaning agent is 0.5kg/cm3。
Test examples
Taking 2000 pieces of 3D glass panels sprayed with ink, randomly dividing the 3D glass panels into 20 groups, and dividing each group into 100 pieces, removing edge oil from each group of glass according to the processes of examples 11-24 and comparative examples 7-12, performing roughness inspection on the edge oil removing part and overall appearance inspection on each group of products after the edge oil of the glass is removed, checking the glass edge oil removing effect and whether the glass surface has scratches and edge penetration, and calculating the yield of each group, wherein the results are shown in Table 1.
TABLE 1 roughness and yield test results
| Group of | Roughness of | Yield of |
| Example 11 | 13nm | 92％ |
| Example 12 | 14nm | 92％ |
| Example 13 | 12nm | 91％ |
| Example 14 | 16nm | 90％ |
| Example 15 | 17nm | 92％ |
| Example 16 | 15nm | 91％ |
| Example 17 | 13nm | 91％ |
| Example 18 | 10nm | 93％ |
| Example 19 | 11nm | 93％ |
| Example 20 | 12nm | 92％ |
| Example 21 | 10nm | 94％ |
| Example 22 | 8nm | 95％ |
| Example 23 | 11nm | 92％ |
| Example 24 | 10nm | 94％ |
| Example 25 | 9nm | 96％ |
| Comparative example 7 | 32nm | 71％ |
| Comparative example 8 | 54nm | 76％ |
| Comparative example 9 | 25nm | 82％ |
| Comparative example 10 | 28nm | 75％ |
| Comparative example 11 | 27nm | 68％ |
| Comparative example 12 | 30nm | 84％ |
As can be seen from Table 1, the roughness of the glass treated by the processes of examples 11 to 25 is lower than that of comparative examples 7 to 12, and the yield is higher than that of comparative examples 7 to 12, which shows that when the polishing solution provided by the invention is used for polishing the glass, the glass edge oil can be effectively removed, the roughness of the glass can be reduced, the surface of the glass is smoother, the polishing precision is high, the phenomena of scratches and edge penetration of the glass are few, and the yield of the treated glass is as high as more than 90%. The technical effect equivalent to that of the invention can not be realized by adjusting the formula of the polishing solution or adopting the existing cerium oxide polishing solution, so that the polishing precision is low, the product yield is low, and the practical applicability is poor.
Comparing example 13 with examples 23-25, it can be seen that the roughness and yield of the products of examples 23-25 are superior to example 13, which shows that the use of the straight and concave surfaces of the specific buff cover glass provided by the present invention can reduce the possibility of ink being thrown off from the straight and concave surfaces of the glass, so that the polishing liquid can remove the edge oil of the glass in a targeted manner, thereby further reducing the roughness and improving the yield. Example 24 shows that the preferred cleaning agent of the present invention has a better cleaning effect on glass after removing edge oil, and is better than the existing cleaning agent, and can effectively remove polishing slurry, especially cerium oxide, remaining on the glass surface, effectively remove cerium oxide remaining on the glass surface, reduce the roughness of the glass, and increase the yield of the product. The roughness and yield of the product of example 25 are better than those of example 24, which shows that the cleaning effect can be further enhanced and the product quality can be improved by adopting the preferred cleaning process (brush rotation speed, linear speed, cleaning temperature and spraying pressure of the cleaning agent) of the invention.
While particular embodiments of the present invention have been illustrated and described, it would be obvious that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.
Claims (14)
1. The polishing solution for removing the glass edge oil is characterized by being prepared from the following components in percentage by mass: 8-10% of cerium oxide, 30-35% of suspending agent, 5-8% of alkali metal hydroxide and the balance of water;
wherein the suspending agent is at least one of methanol, ethanol, ethylene glycol, propylene glycol, glycerol, 1-butanol, carboxymethyl cellulose, polyacrylamide, polyethylene glycol or potassium polyacrylate; the alkali metal hydroxide is at least one of potassium hydroxide, sodium hydroxide or lithium hydroxide.
2. The polishing solution for removing the glass edge oil as defined in claim 1, wherein the polishing solution is prepared from the following components in percentage by mass: 8.5 to 9.5 percent of cerium oxide, 31 to 34 percent of suspending agent, 5.5 to 7.5 percent of alkali metal hydroxide and the balance of water.
3. The polishing solution for removing the glass edge oil as defined in claim 2, wherein the polishing solution is prepared from the following components in percentage by mass: 8.5-9% of cerium oxide, 32-33% of suspending agent, 6-7% of alkali metal hydroxide and the balance of water.
4. The polishing solution for removing glass edge oil as defined in claim 1, wherein the glass is 2.5D glass or 3D glass.
5. A process for removing glass edge oil, which comprises using the polishing liquid for removing glass edge oil according to any one of claims 1 to 4 to remove glass edge oil.
6. The process for removing glass edge oil as defined in claim 5, wherein the rotation speed of the brush wheel is 450-550r/min, the brush profile modeling current is 1.9-1.95A, and the removal time is 7-9 min.
7. The process for removing glass edge oil as defined in claim 6, wherein the polishing solution is diluted with water to a concentration of 1.15-1.20g/mL and then used for removing glass edge oil.
8. The process for removing glass edge bead as claimed in any one of claims 5-7, further comprising the step of positioning and fixing the glass and applying buff to the straight and concave surfaces of the glass prior to removing the glass edge bead.
9. The process for removing glass edge oil as defined in claim 8, further comprising the step of cleaning the glass after the glass edge oil is removed by using a cleaning agent after the glass edge oil is removed.
10. The process for removing glass edge oil as defined in claim 8, wherein the buffed leather is mainly formed by stacking an inner buffed leather, a middle buffed leather and an outer buffed leather, the buffed leather is made of non-woven fabric and has a hardness of 80-90; the thickness of the middle layer of polished leather is 2-5mm, and the thickness of the inner layer of polished leather and the thickness of the outer layer of polished leather are both 1-2 mm.
11. The process of removing glass edge bead as in claim 10, wherein said glass is 2.5D glass or 3D glass.
12. The process for removing glass edge oil as claimed in claim 9, wherein the concentrated solution of the cleaning agent comprises the following components in percentage by mass: 5-10% of isomeric alcohol polyoxyethylene ether, 3-5% of fatty alcohol polyoxyethylene ether sodium sulfate, 5-8% of polyepoxy sodium succinate, 3-5% of soluble carbonate, 1-3% of Na-EDTA and the balance of water.
13. The process for removing glass edge oil as claimed in claim 12, wherein the concentrated solution in the cleaning agent is 5-10% by mass.
14. The process for removing glass edge oil as defined in claim 12, wherein the brush rotation speed is 280-320r/min, the linear speed is 3-3.5m/min, the cleaning temperature is 55-60 ℃, and the spraying pressure of the cleaning agent is 0.3-0.8kg/cm3。
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| CN113121125B (en) * | 2021-04-14 | 2022-10-18 | 万津实业(赤壁)有限公司 | Processing method for 2.5D float glass |
| CN115445981A (en) * | 2022-09-22 | 2022-12-09 | 安徽光智科技有限公司 | Zinc selenide/zinc sulfide ball cover coating pretreatment process |
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