CN116675515A - Ceramic mobile phone cover and preparation method thereof - Google Patents
Ceramic mobile phone cover and preparation method thereof Download PDFInfo
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- CN116675515A CN116675515A CN202310460651.8A CN202310460651A CN116675515A CN 116675515 A CN116675515 A CN 116675515A CN 202310460651 A CN202310460651 A CN 202310460651A CN 116675515 A CN116675515 A CN 116675515A
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- ceramic
- mobile phone
- phone cover
- dispersing agent
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- 239000000919 ceramic Substances 0.000 title claims abstract description 96
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 46
- 238000000227 grinding Methods 0.000 claims abstract description 40
- 239000002270 dispersing agent Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 30
- 239000003086 colorant Substances 0.000 claims abstract description 27
- 238000005245 sintering Methods 0.000 claims abstract description 25
- 239000002904 solvent Substances 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 235000015895 biscuits Nutrition 0.000 claims abstract description 17
- 238000011282 treatment Methods 0.000 claims abstract description 17
- 238000004381 surface treatment Methods 0.000 claims abstract description 13
- 238000000137 annealing Methods 0.000 claims abstract description 12
- 239000004014 plasticizer Substances 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 238000003698 laser cutting Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 239000013078 crystal Substances 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 24
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 18
- 238000000498 ball milling Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 238000007747 plating Methods 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 238000005352 clarification Methods 0.000 claims description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims description 8
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 230000005012 migration Effects 0.000 claims description 7
- 238000013508 migration Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000005240 physical vapour deposition Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 229910000318 alkali metal phosphate Inorganic materials 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052956 cinnabar Inorganic materials 0.000 claims description 6
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 6
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 6
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 4
- 238000007688 edging Methods 0.000 claims description 4
- 230000008030 elimination Effects 0.000 claims description 4
- 238000003379 elimination reaction Methods 0.000 claims description 4
- QNVRIHYSUZMSGM-UHFFFAOYSA-N hexan-2-ol Chemical class CCCCC(C)O QNVRIHYSUZMSGM-UHFFFAOYSA-N 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- BSWXAWQTMPECAK-UHFFFAOYSA-N 6,6-diethyloctyl dihydrogen phosphate Chemical class CCC(CC)(CC)CCCCCOP(O)(O)=O BSWXAWQTMPECAK-UHFFFAOYSA-N 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims description 3
- 229920002907 Guar gum Polymers 0.000 claims description 3
- 241001465754 Metazoa Species 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims description 3
- 241000907663 Siproeta stelenes Species 0.000 claims description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical class [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 3
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 3
- 125000003158 alcohol group Chemical group 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- 238000004061 bleaching Methods 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000001913 cellulose Chemical class 0.000 claims description 3
- 229920002678 cellulose Chemical class 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 239000000665 guar gum Substances 0.000 claims description 3
- 229960002154 guar gum Drugs 0.000 claims description 3
- 235000010417 guar gum Nutrition 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 229910052957 realgar Inorganic materials 0.000 claims description 3
- 238000001226 reprecipitation Methods 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 3
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 3
- 235000010215 titanium dioxide Nutrition 0.000 claims description 3
- 239000012745 toughening agent Substances 0.000 claims description 3
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010981 turquoise Substances 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 235000014692 zinc oxide Nutrition 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000004040 coloring Methods 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 241000530268 Lycaena heteronea Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- QXLPXWSKPNOQLE-UHFFFAOYSA-N methylpentynol Chemical class CCC(C)(O)C#C QXLPXWSKPNOQLE-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
- C04B2235/662—Annealing after sintering
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9646—Optical properties
- C04B2235/9661—Colour
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Signal Processing (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a ceramic mobile phone cover, which comprises the following raw materials: 48-65% of ceramic particles, 3.2-5% of adhesive, 0.1-1% of dispersing agent, 1.2-2.6% of plasticizer and 30.1-45.1% of solvent; the preparation method of the ceramic mobile phone cover comprises the following steps: s1, mixing ceramic particles, a solvent and a dispersing agent; s2, carrying out dry-pressing sintering on the mixed raw materials; s3, grinding the biscuit by a grinding machine; s4, CNC inner cavity machining and cambered surface appearance machining; s5, fine grinding a plane, annealing and laser cutting; s6, surface treatment; the ceramic particles realize the integral coloring of the mobile phone cover, adopt pure natural colors, improve the purity and safety of the colors, realize short sintering time and high production efficiency through multiple process treatments, improve the integrity of crystals and improve the fracture toughness of ceramics through the sintering treatment; the integral plate has the advantages of high strength, high toughness, high hardness, accurate size control and the like.
Description
Technical Field
The invention belongs to the technical field of ceramic mobile phone covers, and particularly relates to a ceramic mobile phone cover and a preparation method thereof.
Background
The mobile phone is generally called a mobile phone or a wireless phone, is generally called a mobile phone, is originally only a communication tool, is divided into a smart phone and a non-smart phone, and the performance of the general smart phone is better than that of the non-smart phone, but the performance of the non-smart phone is more stable than that of the smart phone, the development of the mobile phone industry is very rapid, the evolution from a plastic body to a metal body to a glass body is completed in less than ten years of taking the material of the body, the market occupation ratio of the ceramic body mobile phone is gradually increasing in recent years, zirconia ceramics has excellent physical properties and good mechanical properties, and along with the development of the molding technology, the zirconia ceramic has wide application in various fields such as medical treatment, electronic products, sensors and the like. The mobile phone body with the zirconia ceramic material adopted by the mobile phone rear cover has good communication signal transmittance and strong signal receiving capability, the hardness, the density, the bending strength and the like of the mobile phone body are obviously superior to those of plastic and glass materials, and the mobile phone rear cover has the characteristics of no electromagnetic interference and no magnetism.
Although the ceramic mobile phone rear cover with high strength, high toughness and high hardness is prepared more simply and rapidly, the problem that the existing ceramic mobile phone cover cannot realize color integration, surface treatment on the ceramic mobile phone cover and touch feeling improvement of the ceramic mobile phone cover cannot be realized when the ceramic mobile phone cover is prepared is not solved, and the ceramic mobile phone cover and the preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide a ceramic mobile phone cover and a preparation method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a ceramic mobile phone cover, which comprises the following raw materials:
48-65% of ceramic particles, 3.2-5% of adhesive, 0.1-1% of dispersing agent, 1.2-2.6% of plasticizer and 30.1-45.1% of solvent;
still more particularly, the ceramic particles comprise 50.3-58.2% of clay, 20.2-40.5% of white zirconia, 2-6% of yttrium oxide, 0.5-7% of aluminum oxide and 0.5-13% of colorant;
the colorant adopts a plurality of ores with different colors, namely the ores with different colors are respectively crushed, then the colors are extracted through elutriation, clarification, flying and falling, namely the elutriation is to elutriate impurities with water, clarification is a clarification and precipitation process, flying is to skim a layer of pigment floating on the upper surface, so-called taking bleaching, and falling is to stir up the sinking part again for reprecipitation;
the ceramic particles are prepared by mixing ceramic mud, zirconia, yttria, alumina and a colorant in proportion, and then firing the ceramic mud, zirconia, yttria, alumina and the colorant into ceramic particles.
Preferably, the adhesive comprises a solvent, a curing agent, a toughening agent, a preservative and an auxiliary component of a defoaming agent in addition to the sizing material, wherein the sizing material comprises animal glue and synthetic resin, and one or more of epoxy resin, phenolic resin, polyvinyl acetal, perchloroethylene resin, neoprene and nitrile rubber.
Preferably, the dispersing agent comprises an inorganic dispersing agent and an organic dispersing agent, the inorganic dispersing agent comprises silicate and alkali metal phosphate, the silicate adopts water glass, the alkali metal phosphate adopts sodium tripolyphosphate, sodium hexametaphosphate and sodium pyrophosphate, and the organic dispersing agent comprises one or more of triethylhexyl phosphoric acid, sodium dodecyl sulfate, methyl amyl alcohol, cellulose derivatives, polyacrylamide, guar gum and fatty acid polyethylene glycol ester.
Preferably, the plasticizer is polyethylene glycol or dibutyl phthalate, and the solvent is alcohol, including one or more of n-butanol, methyl ethyl ketone, toluene, ethanol, methyl ethyl ketone and trichloroethylene, or a mixture thereof.
Preferably, the natural ore adopted by the colorant comprises malachite, turquoise, cinnabar, copper blue ore, celadon, realgar, cinnabar, ocher, clam powder, kaolin, zinc white, titanium white, lithopone and gold, and carbon black, mainly carbide of plants.
The preparation method of the ceramic mobile phone cover comprises the following steps:
s1, mixing ceramic particles, a solvent and a dispersing agent: fully mixing ceramic particles, a solvent and a dispersing agent, and slowly stirring through ball milling during mixing, so as to fully mix;
s2, carrying out dry-pressing sintering on the mixed raw materials: the mixed raw materials are pressed into a compact green body with a certain shape under the action of pressure, then when the solid green body is heated at a high temperature, solid particles in the green body can undergo substance migration, the green body is contracted when reaching a certain temperature, the growth of crystal grains appears, and with the elimination of air holes, the green body becomes a polycrystalline ceramic material at a temperature lower than the melting point;
s3, grinding the biscuit by a grinding machine: edging and flattening the four edges of the outline of the blank by using a diamond grinding wheel grinder, and carrying out rough grinding on the back surface to reduce the thickness;
s4, CNC inner cavity machining and cambered surface appearance machining: processing the curved surface, the inner height and the peripheral size of the inner cavity through CNC inner cavity processing; CNC arc surface appearance processing is mainly to process the outer arc surface of the mobile phone rear cover;
s5, fine grinding plane, annealing and laser cutting: after fine grinding correction of plane warpage, stress is eliminated through annealing treatment for larger stress deformation, laser cutting of the camera hole and the flash hole is carried out after rough polishing, and then the laser cut hole and the arc surface appearance are subjected to fine grinding by adopting an electroplated diamond grinding head;
s6, surface treatment: the method for forming the metal or compound coating with special performance on the surface of the workpiece through the PVD process, and then plating a layer of coating on the surface of the ceramic through the AF process, wherein the coating ensures that fingerprints are not easy to generate on the surface of the ceramic, and the wear resistance is good.
Preferably, the ceramic particles, the solvent and the dispersing agent in S1 are ball-milled and mixed by ball milling when being mixed, so that the grinding of the ceramic particles and the mixing can be realized, the ball milling adopts two-stage ball milling treatment, and the adhesive and the plasticizer are added into the raw materials after grinding.
Preferably, the dry-pressing sintering in the step S2 presses the raw materials into a compact blank with a certain shape, the blank is composed of a plurality of single ceramic particles before sintering, a plurality of air holes are formed in the blank, and the porosity is generally 40% -60%; when the solid biscuit is heated at high temperature, solid particles in the biscuit can undergo substance migration, the biscuit shrinks when reaching a certain temperature, the grain growth is large, air holes are eliminated, and finally the biscuit becomes a polycrystalline ceramic material at a temperature lower than the melting point.
Preferably, the sintering in S2 is performed at several temperature sections, i.e. sintering is performed at 600-650 ℃ for 1-4 hours, then at 1350-1500 ℃ for a period of time, and then the ceramic shell is obtained after being put into an annealing furnace.
Preferably, the PVD process of the surface treatment in S6 adopts evaporation plating or sputtering plating, logo or color film is plated on the ceramic cover plate, and the AF treatment uses an evaporation method, and microcrack detection, profile tolerance, overall warpage, section warpage and thickness detection are performed on the ceramic cover plate after the surface treatment.
Compared with the prior art, the invention has the beneficial effects that:
when the ceramic cover is used, the colorant is added into ceramic particles, namely the colored ceramic particles are used for realizing the integral coloring of the mobile phone cover, so that the abrasion of the mobile phone cover is reduced, chromatic aberration or colored glaze falling off is caused, the pure color and the safety are improved, the sintering time is short, the production efficiency is high, the integrity of crystals is improved, and the fracture toughness of ceramics is improved by adopting pure natural color and performing multiple process treatment; forming a whole plate, and reducing the subsequent CNC processing cost; and the prepared ceramic mobile phone rear cover has the advantages of high strength, high toughness, high hardness, accurate size control and the like.
Drawings
FIG. 1 is a flow chart of the steps of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: a ceramic mobile phone cover, which comprises the following raw materials:
48-65% of ceramic particles, 3.2-5% of adhesive, 0.1-1% of dispersing agent, 1.2-2.6% of plasticizer and 30.1-45.1% of solvent;
still more particularly, the ceramic particles comprise 50.3-58.2% of clay, 20.2-40.5% of white zirconia, 2-6% of yttrium oxide, 0.5-7% of aluminum oxide and 0.5-13% of colorant;
the colorant adopts a plurality of ores with different colors, namely the ores with different colors are respectively crushed, then the colors are extracted through elutriation, clarification, flying and falling, namely the elutriation is to elutriate impurities with water, clarification is a clarification and precipitation process, flying is to skim a layer of pigment floating on the upper surface, so-called taking bleaching, and falling is to stir up the sinking part again for reprecipitation;
the ceramic particles are prepared by mixing ceramic mud, zirconia, yttria, alumina and a colorant in proportion, and then firing the ceramic mud, zirconia, yttria, alumina and the colorant into ceramic particles.
The binder can effectively improve the connectivity among ceramic particles and is convenient to form a whole, and in the embodiment, preferably, the binder comprises a solvent, a curing agent, a toughening agent, a preservative and an antifoaming agent auxiliary component in addition to a sizing material, wherein the sizing material comprises animal glue and synthetic resin and one or more of epoxy resin, phenolic resin, polyvinyl acetal, perchloroethylene resin, chloroprene rubber and nitrile rubber.
The use of the dispersing agent can effectively improve the oily and aqueous adhesion between ceramic particles, and is convenient to mix with a solvent, in this embodiment, preferably, the dispersing agent comprises an inorganic dispersing agent and an organic dispersing agent, the inorganic dispersing agent comprises silicate and alkali metal phosphate, the silicate adopts water glass, the alkali metal phosphate adopts sodium tripolyphosphate, sodium hexametaphosphate and sodium pyrophosphate, and the organic dispersing agent comprises one or more of triethylhexyl phosphoric acid, sodium dodecyl sulfate, methylpentanol, cellulose derivatives, polyacrylamide, guar gum and fatty acid polyethylene glycol ester.
The use of a plasticizer and a solvent can effectively achieve the mixing of the ceramic particles, and in this embodiment, preferably, the plasticizer is polyethylene glycol or dibutyl phthalate, and the solvent is an alcohol substance including one or more of n-butanol, methyl ethyl ketone, toluene, ethanol, methyl ethyl ketone and trichloroethylene, or a mixture thereof.
The color is formed by pure natural minerals, so that the purity and durability of the color can be improved, and in the embodiment, preferably, the natural minerals adopted by the colorant comprise malachite, turquoise, cinnabar, blue copper ore, celadon, realgar, cinnabar, ocher, clam powder, kaolin, zinc white, titanium white, lithopone and gold, and carbon black is mainly carbide of plants.
The preparation method of the ceramic mobile phone cover comprises the following steps:
s1, mixing ceramic particles, a solvent and a dispersing agent: fully mixing ceramic particles, a solvent and a dispersing agent, and slowly stirring through ball milling during mixing, so as to fully mix;
s2, carrying out dry-pressing sintering on the mixed raw materials: the mixed raw materials are pressed into a compact green body with a certain shape under the action of pressure, then when the solid green body is heated at a high temperature, solid particles in the green body can undergo substance migration, the green body is contracted when reaching a certain temperature, the growth of crystal grains appears, and with the elimination of air holes, the green body becomes a polycrystalline ceramic material at a temperature lower than the melting point;
s3, grinding the biscuit by a grinding machine: edging and flattening the four edges of the outline of the blank by using a diamond grinding wheel grinder, and carrying out rough grinding on the back surface to reduce the thickness;
s4, CNC inner cavity machining and cambered surface appearance machining: processing the curved surface, the inner height and the peripheral size of the inner cavity through CNC inner cavity processing; CNC arc surface appearance processing is mainly to process the outer arc surface of the mobile phone rear cover;
s5, fine grinding plane, annealing and laser cutting: after fine grinding correction of plane warpage, stress is eliminated through annealing treatment for larger stress deformation, laser cutting of the camera hole and the flash hole is carried out after rough polishing, and then the laser cut hole and the arc surface appearance are subjected to fine grinding by adopting an electroplated diamond grinding head;
s6, surface treatment: the method for forming the metal or compound coating with special performance on the surface of the workpiece through the PVD process, and then plating a layer of coating on the surface of the ceramic through the AF process, wherein the coating ensures that fingerprints are not easy to generate on the surface of the ceramic, and the wear resistance is good.
The raw materials are effectively mixed through the ball milling, the ceramic particles are abraded, the integrity of the dry pressing is improved, in the embodiment, preferably, the ceramic particles, the solvent and the dispersing agent in the S1 are mixed through the ball milling, the ceramic particles can be ground, the mixing can be realized, the ball milling adopts two-stage ball milling treatment, and the adhesive and the plasticizer are added into the raw materials after the grinding.
The processing of the dry pressed raw material is realized through sintering, so that gaps among ceramic particles can be automatically filled to form a whole plate, in the embodiment, preferably, the dry pressed sintering in the S2 presses the raw material into a compact green body with a certain shape, the green body is composed of a plurality of single ceramic particles before sintering, a plurality of air holes are formed in the green body, and the porosity is generally 40% -60%; when the solid biscuit is heated at high temperature, solid particles in the biscuit can undergo substance migration, the biscuit shrinks when reaching a certain temperature, the grain growth is large, air holes are eliminated, and finally the biscuit becomes a polycrystalline ceramic material at a temperature lower than the melting point.
In order to realize the sintering treatment of the mobile phone cover and effectively form the whole mobile phone cover through the sintering treatment of different temperature sections, in this embodiment, preferably, the sintering in the S2 is respectively carried out in several temperature sections, namely, the sintering is required to be carried out for 1-4 hours at 600-650 ℃, the sintering is carried out for a period of time at 1350-1500 ℃, and then the ceramic shell is further obtained after being put into an annealing furnace.
The surface treatment is performed on the mobile phone cover through a plurality of processes, the optimality of the surface of the mobile phone cover is improved, then the detection treatment is performed, in this embodiment, preferably, the PVD process of the surface treatment in S6 adopts evaporation plating or sputtering plating, logo or color film is plated on the ceramic cover plate, and the AF treatment uses an evaporation manner, and after the surface treatment, microcrack detection, profile tolerance, overall warpage, section warpage and thickness detection are performed on the ceramic cover plate.
The working principle and the using flow of the invention are as follows:
in the first step, ceramic particles, a solvent and a dispersing agent are mixed: fully mixing ceramic particles, a solvent and a dispersing agent, and slowly stirring through ball milling during mixing, so as to fully mix;
step two, dry-pressing sintering the mixed raw materials: the mixed raw materials are pressed into a compact green body with a certain shape under the action of pressure, then when the solid green body is heated at a high temperature, solid particles in the green body can undergo substance migration, the green body is contracted when reaching a certain temperature, the growth of crystal grains appears, and with the elimination of air holes, the green body becomes a polycrystalline ceramic material at a temperature lower than the melting point;
thirdly, grinding the biscuit by a grinding machine: edging and flattening the four edges of the outline of the blank by using a diamond grinding wheel grinder, and carrying out rough grinding on the back surface to reduce the thickness;
fourthly, CNC inner cavity machining and cambered surface appearance machining: processing the curved surface, the inner height and the peripheral size of the inner cavity through CNC inner cavity processing; CNC arc surface appearance processing is mainly to process the outer arc surface of the mobile phone rear cover;
fifth step, fine grinding plane, annealing and laser cutting: after fine grinding correction of plane warpage, stress is eliminated through annealing treatment for larger stress deformation, laser cutting of the camera hole and the flash hole is carried out after rough polishing, and then the laser cut hole and the arc surface appearance are subjected to fine grinding by adopting an electroplated diamond grinding head;
sixth, surface treatment: the method for forming the metal or compound coating with special performance on the surface of the workpiece through the PVD process, and then plating a layer of coating on the surface of the ceramic through the AF process, wherein the coating ensures that fingerprints are not easy to generate on the surface of the ceramic, and the wear resistance is good.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A ceramic mobile phone cover, which is characterized in that: the preparation method comprises the following raw materials:
48-65% of ceramic particles, 3.2-5% of adhesive, 0.1-1% of dispersing agent, 1.2-2.6% of plasticizer and 30.1-45.1% of solvent;
still more particularly, the ceramic particles comprise 50.3-58.2% of clay, 20.2-40.5% of white zirconia, 2-6% of yttrium oxide, 0.5-7% of aluminum oxide and 0.5-13% of colorant;
the colorant adopts a plurality of ores with different colors, namely the ores with different colors are respectively crushed, then the colors are extracted through elutriation, clarification, flying and falling, namely the elutriation is to elutriate impurities with water, clarification is a clarification and precipitation process, flying is to skim a layer of pigment floating on the upper surface, so-called taking bleaching, and falling is to stir up the sinking part again for reprecipitation;
the ceramic particles are prepared by mixing ceramic mud, zirconia, yttria, alumina and a colorant in proportion, and then firing the ceramic mud, zirconia, yttria, alumina and the colorant into ceramic particles.
2. The ceramic mobile phone cover according to claim 1, wherein: the adhesive comprises a sizing material, a solvent, a curing agent, a toughening agent, a preservative and an auxiliary component of a defoaming agent, wherein the sizing material comprises animal glue, synthetic resin and one or more of epoxy resin, phenolic resin, polyvinyl acetal, perchloroethylene resin, chloroprene rubber and nitrile rubber.
3. The ceramic mobile phone cover according to claim 1, wherein: the dispersing agent comprises an inorganic dispersing agent and an organic dispersing agent, wherein the inorganic dispersing agent comprises silicate and alkali metal phosphate, the silicate is water glass, the alkali metal phosphate is sodium tripolyphosphate, sodium hexametaphosphate and sodium pyrophosphate, and the organic dispersing agent comprises one or more of triethylhexyl phosphoric acid, sodium dodecyl sulfate, methyl amyl alcohol, cellulose derivatives, polyacrylamide, guar gum and fatty acid polyethylene glycol ester.
4. The ceramic mobile phone cover according to claim 1, wherein: the plasticizer is polyethylene glycol or dibutyl phthalate, and the solvent is alcohol, including one or more of n-butanol, methyl ethyl ketone, toluene, ethanol, methyl ethyl ketone and trichloroethylene, or mixture.
5. The ceramic mobile phone cover according to claim 1, wherein: the natural ore adopted by the colorant comprises malachite, turquoise, cinnabar, copper blue ore, celadon, realgar, cinnabar, ocher, clam powder, kaolin, zinc white, titanium white, lithopone and gold, and also comprises carbon black, mainly carbide of plants.
6. A preparation method of a ceramic mobile phone cover is characterized in that: the method comprises the following steps:
s1, mixing ceramic particles, a solvent and a dispersing agent: fully mixing ceramic particles, a solvent and a dispersing agent, and slowly stirring through ball milling during mixing, so as to fully mix;
s2, carrying out dry-pressing sintering on the mixed raw materials: the mixed raw materials are pressed into a compact green body with a certain shape under the action of pressure, then when the solid green body is heated at a high temperature, solid particles in the green body can undergo substance migration, the green body is contracted when reaching a certain temperature, the growth of crystal grains appears, and with the elimination of air holes, the green body becomes a polycrystalline ceramic material at a temperature lower than the melting point;
s3, grinding the biscuit by a grinding machine: edging and flattening the four edges of the outline of the blank by using a diamond grinding wheel grinder, and carrying out rough grinding on the back surface to reduce the thickness;
s4, CNC inner cavity machining and cambered surface appearance machining: processing the curved surface, the inner height and the peripheral size of the inner cavity through CNC inner cavity processing; CNC arc surface appearance processing is mainly to process the outer arc surface of the mobile phone rear cover;
s5, fine grinding plane, annealing and laser cutting: after fine grinding correction of plane warpage, stress is eliminated through annealing treatment for larger stress deformation, laser cutting of the camera hole and the flash hole is carried out after rough polishing, and then the laser cut hole and the arc surface appearance are subjected to fine grinding by adopting an electroplated diamond grinding head;
s6, surface treatment: the method for forming the metal or compound coating with special performance on the surface of the workpiece through the PVD process, and then plating a layer of coating on the surface of the ceramic through the AF process, wherein the coating ensures that fingerprints are not easy to generate on the surface of the ceramic, and the wear resistance is good.
7. The method for manufacturing the ceramic mobile phone cover according to claim 6, wherein: when the ceramic particles, the solvent and the dispersing agent in the S1 are mixed, ball milling and mixing are carried out through ball milling, so that the grinding of the ceramic particles can be realized, the mixing can also be realized, the ball milling adopts two-stage ball milling treatment, and the adhesive and the plasticizer are added into the raw materials after grinding.
8. The method for manufacturing the ceramic mobile phone cover according to claim 6, wherein: the dry pressing sintering in the step S2 presses the raw materials into a compact blank body with a certain shape, the blank body is composed of a plurality of single ceramic particles before sintering, a plurality of air holes are formed in the blank body, and the porosity is generally 40% -60%; when the solid biscuit is heated at high temperature, solid particles in the biscuit can undergo substance migration, the biscuit shrinks when reaching a certain temperature, the grain growth is large, air holes are eliminated, and finally the biscuit becomes a polycrystalline ceramic material at a temperature lower than the melting point.
9. The method for manufacturing the ceramic mobile phone cover according to claim 6, wherein: the sintering in S2 is respectively carried out at a plurality of temperature sections, namely, the sintering is carried out for 1-4 hours at 600-650 ℃, then the sintering is carried out for a period of time at 1350-1500 ℃, and then the ceramic shell is obtained after being put into an annealing furnace.
10. The method for manufacturing the ceramic mobile phone cover according to claim 6, wherein: the PVD process of the surface treatment in S6 adopts evaporation plating or sputtering plating, logo or color film is plated on the ceramic cover plate, the AF treatment adopts an evaporation plating mode, and microcrack detection, profile tolerance, overall warping degree, section warping degree and thickness detection are carried out on the ceramic cover plate after the surface treatment.
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