CN107963894A - The ink-jetting process of ink for ink-jet and preparation method thereof and the complicated product of shaping - Google Patents
The ink-jetting process of ink for ink-jet and preparation method thereof and the complicated product of shaping Download PDFInfo
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- CN107963894A CN107963894A CN201711050211.6A CN201711050211A CN107963894A CN 107963894 A CN107963894 A CN 107963894A CN 201711050211 A CN201711050211 A CN 201711050211A CN 107963894 A CN107963894 A CN 107963894A
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- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6261—Milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
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- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
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- B33—ADDITIVE MANUFACTURING TECHNOLOGY
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- B33Y10/00—Processes of additive manufacturing
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Abstract
The invention discloses the ink for ink-jet, ink are composed of the following components：Solid powder, quality are the photosensitive monomer of solid powder quality 17%~25%, quality is the photoinitiator of photosensitive monomer 1.0%~1.5%, quality be photosensitive monomer with solid powder quality and 4.0%~6.0% diluent, the dispersant that quality is solid powder quality 1.5%~2.0%, quality is the compatilizer of solid powder quality 0.75%~1.0%.The solid concentration of the ink is high.Preparation method and a kind of ink-jetting process for shaping complicated product the invention also discloses above-mentioned ink.
Description
Technical field
The invention belongs to inkjet printing technology field, is related to a kind of ink for ink-jet, further relates to the system of above-mentioned ink
Preparation Method, and the ink-jetting process of the complicated product of shaping.
Background technology
Generation with increasing material manufacturing (being commonly called as 3D printing) for a large amount of quick, efficient, clean Flexible Manufacturing Technologies of representative,
Product design and manufacture level are not only improved, efficiently solves the contradiction between personalized, small lot production and manufacture cost,
Promote development of traditional high-volume manufacturing mode to individual character manufacturing pattern at the same time.Inkjet printing is 3D printing technique product
A kind of higher quick forming method of form accuracy, it is based primarily upon the Layered manufacturing principle of discrete/accumulation, passes through three-dimensional motion
Control system is successively accumulated, and finally under the action of uv light, realizes multi items, small lot, complicated parts
Disposable high efficiency manufacture.Ink-jetting process in high precision a high performance Key determining factors be exactly inkjet printing ink, both
Need to ensure its low viscosity to meet the requirement of inkjet printing, and require to there is high solid content to obtain high sintered body close
Degree, thus prepare high solid phase, the ink-jet ink of low viscosity is particularly important.
The performance of ink-jet printing ink depends mainly on the dispersiveness and its suspension stability of solid phase, is printed as to improve
The sintering character of product, is realized by increasing the method for ink solid concentration, and more high then its stably dispersing of general solid concentration is more
Difficulty, and ink viscosity is bigger, and ink viscosity is bigger, shaping difficulty is bigger.Therefore, inkjet printing technology at present is further
Development is limited to the technology of preparing of ink-jet ink, and the ink for meeting ink-jetting process is very little.
The content of the invention
The object of the present invention is to provide a kind of ink for ink-jet, the solid concentration of ink is high.
Another object of the present invention is to provide the preparation method of above-mentioned ink.
Third object of the present invention there is provided a kind of ink-jetting process for shaping complicated product.
The technical solution adopted in the present invention is, composed of the following components for the ink of ink-jet, ink：Solid powder,
Quality is the photosensitive monomer of solid powder quality 17%~25%, quality is photosensitive monomer 1.0%~1.5% photoinitiator,
Quality be photosensitive monomer with solid powder quality and 4.0%~6.0% diluent, quality be solid powder quality 1.5%
~2.0% dispersant, quality are the compatilizer of solid powder quality 0.75%~1.0%.
Preferably, solid powder includes ceramic powders and metal dust, the median of solid powder 2 μm~5 μm it
Between, purity is not less than 99.9%.
Photosensitive monomer is acrylate, one or more the mixing in urethane acrylate, epoxy acrylate
Thing.
Photoinitiator is benzoin dimethylether, azo-bis-iso-butyl, tert-butyl hydroperoxide, one kind in benzophenone.
Diluent is acrylic sheet ester, styrene, cyclohexanone, and one kind in toluene, its purity is not less than 99%.
Dispersant is one of ammonium polyacrylate or Sodium Polyacrylate, its purity is not less than 90%；Compatilizer is stearic acid.
Second of technical solution of the present invention is a kind of preparation method of ink for ink-jet, specifically according to
Following steps are implemented：
Step 1, solid powder, photosensitive monomer, photoinitiator, dispersant, diluent, compatilizer are weighed, wherein, photosensitive list
Weight is the 17%~25% of solid powder quality, photoinitiator quality is the 1.0%~1.5% of photosensitive monomer, diluent
Quality be photosensitive monomer with solid powder quality and 4.0%~6.0%, 1.5% that dispersant quality is solid powder quality
~2.0%, compatilizer quality is the 0.75%~1.0% of solid powder quality；
Step 2, abrading-ball is weighed, wherein, abrading-ball is 1.1 with solid powder mass ratio:1~2:1, then it will claim in step 1
The solid powder taken is fitted into ball mill with dispersant and abrading-ball, carries out ball milling, the mixture after being dispersed through；
Step 3, it will be added in mixture in the photosensitive monomer that step 1 has weighed, add compatilizer, photoinitiator, into
Row stirring, then adds diluent, is again stirring for, obtain prefabricated ink, prefabricated ink is fitted into ball mill, is further stirred
Mix, the final ink for obtaining ink-jetting process.
Preferably, in mechanical milling process, abrading-ball chooses a diameter of 6mm.
Preferably, solid powder includes ceramic powders and metal dust, the median of solid powder 2 μm~5 μm it
Between, purity is not less than 99.9%；Photosensitive monomer is acrylate, urethane acrylate, one in epoxy acrylate or
The multiple mixture of person；Photoinitiator is benzoin dimethylether, azo-bis-iso-butyl, tert-butyl hydroperoxide, in benzophenone
One kind；Diluent is acrylic sheet ester, styrene, cyclohexanone, and one kind in toluene, its purity is not less than 99%；Dispersant
For one of ammonium polyacrylate or Sodium Polyacrylate, its purity is not less than 90%；Compatilizer is stearic acid.
The used another technical solution of the present invention is a kind of ink-jetting process for shaping complicated product, specifically according to
Following steps are implemented：
Step A, ink-jet shaping
Obtained ink prepared by a kind of preparation method of ink for ink-jet is fitted into UV ink-jet forming machines, is based on
The threedimensional model of part, successively prints, and carries out part green compact preform；
Step B, post processing
Part green compact are put into drying box and are dried, dried part green compact are put into debinding furnace and carry out low temperature
Degreasing, skimming temp be 300 DEG C -500 DEG C, wherein, when with skimming temp difference be 5~10 DEG C when, heating rate control 0.2
DEG C/min~1 DEG C/min between, finally, carry out high temperature sintering/high temperature insostatic pressing (HIP), wherein, when with sintering temperature difference be 5~10 DEG C
When, heating rate is controlled between 1 DEG C/min~4 DEG C/min, obtains the part through ink-jetting process.
The beneficial effects of the invention are as follows：Proportioning of the invention by optimizing component, improves the solid concentration of ink, so as to change
The performance of kind product, obtains the ink for meeting ink-jetting process.Meanwhile provide new process to prepare complicated product.
Embodiment
With reference to embodiment, the present invention is described in detail.
The ink for ink-jet of the present invention, ink are composed of the following components：Solid powder, quality are solid powder quality
17%~25% photosensitive monomer, quality are the photoinitiator of photosensitive monomer 1.0%~1.5%, quality be photosensitive monomer with it is solid
4.0%~6.0% diluent of body powder quality sum, the dispersant that quality is solid powder quality 1.5%~2.0%, matter
Measure as the compatilizer of solid powder quality 0.75%~1.0%.
Solid powder includes ceramic powders and metal dust, the median of the solid powder between 2 μm~5 μm,
Purity is not less than 99.9%；Photosensitive monomer is acrylate, urethane acrylate, one in epoxy acrylate or more
A mixture；Photoinitiator is benzoin dimethylether, azo-bis-iso-butyl, tert-butyl hydroperoxide, one in benzophenone
Kind；Diluent is acrylic sheet ester, styrene, cyclohexanone, and one kind in toluene, its purity is not less than 99%；Dispersant is poly-
One of ammonium acrylate or Sodium Polyacrylate, its purity are not less than 90%；The compatilizer is stearic acid；
A kind of preparation method of ink for ink-jet of the present invention, specifically implements according to following steps：
Step 1, solid powder, photosensitive monomer, photoinitiator, dispersant, diluent, compatilizer are weighed, wherein, photosensitive list
Weight is the 17%~25% of solid powder quality, photoinitiator quality is the 1.0%~1.5% of photosensitive monomer, diluent
Quality be photosensitive monomer with solid powder quality and 4.0%~6.0%, 1.5% that dispersant quality is solid powder quality
~2.0%, compatilizer quality is the 0.75%~1.0% of solid powder quality；
Step 2, abrading-ball is weighed, wherein, abrading-ball is 1.1 with solid powder mass ratio:1~2:1, then it will claim in step 1
The solid powder taken is fitted into ball mill with dispersant and abrading-ball, carries out ball milling, the mixture after being dispersed through；
Step 3, it will be added in mixture in the photosensitive monomer that step 1 has weighed, add compatilizer, photoinitiator, into
Row stirring, then adds diluent, is again stirring for, obtain prefabricated ink, prefabricated ink is fitted into ball mill, is further stirred
Mix, the final ink for obtaining ink-jetting process.
In mechanical milling process, abrading-ball chooses a diameter of 6mm.
Solid powder includes ceramic powders and metal dust, and the median of solid powder is between 2 μm~5 μm, purity
Not less than 99.9%；Photosensitive monomer is one or more in acrylate, urethane acrylate, epoxy acrylate
Mixture；Photoinitiator is benzoin dimethylether, azo-bis-iso-butyl, tert-butyl hydroperoxide, one kind in benzophenone；It is dilute
It is acrylic sheet ester to release agent, styrene, cyclohexanone, and one kind in toluene, its purity is not less than 99%；Dispersant is polyacrylic acid
One of ammonium or Sodium Polyacrylate, its purity are not less than 90%；Compatilizer is stearic acid.
The solid powder of the present invention mainly has the powder such as zirconium oxide, carborundum, tungsten carbide, titanium alloy, high temperature alloy.
A kind of ink-jetting process of shaping complexity product of the present invention, specifically implements according to following steps：
Step A, ink-jet shaping
Obtained ink prepared by a kind of preparation method of ink for ink-jet is fitted into UV ink-jet forming machines, is based on
The threedimensional model of part, successively prints, and carries out part green compact preform；
Step B, post processing
Part green compact are put into drying box and are dried, dried part green compact are put into debinding furnace and carry out low temperature
Degreasing, skimming temp be 300 DEG C -500 DEG C, wherein, when with skimming temp difference be 5~10 DEG C when, heating rate control 0.2
DEG C/min~1 DEG C/min between, finally, carry out high temperature sintering/high temperature insostatic pressing (HIP), wherein, when with sintering temperature difference be 5~10 DEG C
When, heating rate is controlled between 1 DEG C/min~4 DEG C/min, obtains the part through ink-jetting process.
Embodiment 1
Ink-jet shapes zirconium oxide product
100g Zirconium oxide powders are chosen, 2g ammonium polyacrylates, 101g abrading-balls, are fitted into ball mill, carry out ball milling, therewith will
Abrading-ball is rejected, and adds 17g acrylate, and 0.17g benzoin dimethylethers, 0.75g stearic acid, adds 4.68g acrylic sheet esters, into
Row stirring, obtains ink-jet ink.Gained ink is fitted into UV ink-jet printers, is formed, forms part green compact.By green compact
It is put into drying box and is dried, be put into therewith in debinding furnace, carry out 400 DEG C of degreasings, the concrete technology of degreasing is：5℃/min
200 DEG C are warming up to, keeps the temperature 1.5h, 2.5 DEG C/min is warming up to 350 DEG C, keeps the temperature 2h, is warming up to 400 DEG C with 1 DEG C/min, keeps the temperature 2h,
900 DEG C are warming up to 4 DEG C/min, keeps the temperature 2h, carries out pre-burning.1500 DEG C are warming up to 2 DEG C/min, keeps the temperature 2h, is dropped with 4 DEG C/min
Warm to room temperature, obtain zirconium oxide product.
Embodiment 2
Ink-jet shapes zirconium oxide product
100g Zirconium oxide powders are chosen, 1.5g ammonium polyacrylates, 202g abrading-balls, are fitted into ball mill, carry out ball milling, therewith
Abrading-ball to be rejected, adds 25g acrylate, 0.38g benzoin dimethylethers, 1.0g stearic acid, adds 6.25g acrylic sheet esters,
It is stirred, obtains ink-jet ink.Gained ink is fitted into UV ink-jet printers, is formed, forms part green compact.Will be raw
Base is put into drying box and is dried, and is put into therewith in debinding furnace, carries out 420 DEG C of degreasings, and the concrete technology of degreasing is：5℃/
Min is warming up to 200 DEG C, keeps the temperature 1.5h, and 1.5 DEG C/min is warming up to 350 DEG C, keeps the temperature 2.5h, 400 DEG C are warming up to 0.5 DEG C/min,
2.5h is kept the temperature, 900 DEG C is warming up to 4 DEG C/min, keeps the temperature 2h, carry out pre-burning.1500 DEG C are warming up to 2 DEG C/min, keeps the temperature 2h, with
4 DEG C/min is cooled to room temperature, obtains zirconium oxide product.
Embodiment 3
Ink-jet shapes carborundum product
100g silicon carbide powders are chosen, 1.8g ammonium polyacrylates, 200g abrading-balls, are fitted into ball mill, carry out ball milling, therewith
Abrading-ball to be rejected, adds 17g epoxy acrylates, 0.17g azo-bis-iso-butyls, 1.0g stearic acid, adds 7.02g cyclohexanol,
It is stirred, obtains ink-jet ink.Gained ink is fitted into UV ink-jet printers, is formed, forms part green compact.Will be raw
Base is put into drying box and is dried, and is put into therewith in debinding furnace, carries out 300 DEG C of degreasings, and the concrete technology of degreasing is：5℃/
Min is warming up to 200 DEG C, keeps the temperature 1.5h, and 1.5 DEG C/min is warming up to 250 DEG C, keeps the temperature 2h, is warming up to 300 DEG C with 0.5 DEG C/min, protects
Warm 2h, is warming up to 850 DEG C with 4 DEG C/min, keeps the temperature 3h, carry out pre-burning.Be warming up to 1500 DEG C with 4 DEG C/min, keep the temperature 3h, with 5 DEG C/
Min is cooled to room temperature, obtains carborundum product.
Embodiment 4
Ink-jet shapes tungsten carbide product
100g tungsten-carbide powders are chosen, 2g ammonium polyacrylates, 150g abrading-balls, are fitted into ball mill, carry out ball milling, therewith will
Abrading-ball is rejected, and adds 20g epoxy acrylates, and 0.3g azo-bis-iso-butyls, 1.2g ammonium polyacrylates, add 4.68g cyclohexanol,
It is stirred, obtains ink-jet ink.Gained ink is fitted into UV ink-jet printers, is formed, forms part green compact.Will be raw
Base is put into drying box and is dried, and is put into therewith in debinding furnace, carries out 380 DEG C of degreasings, and the concrete technology of degreasing is：5℃/
Min is warming up to 200 DEG C, keeps the temperature 1.5h, and 2.5 DEG C/min is warming up to 350 DEG C, keeps the temperature 2h, is warming up to 380 DEG C with 0.6 DEG C/min, protects
Warm 2h, is warming up to 900 DEG C with 5 DEG C/min, keeps the temperature 2h, carry out pre-burning.1700 DEG C are warming up to 5 DEG C/min, 2.5h is kept the temperature, obtains
Tungsten carbide product.
Embodiment 5
Ink-jet shapes high temperature alloy product
100g superalloy powders are chosen, 1.8g ammonium polyacrylates, 180g abrading-balls, are fitted into ball mill, carry out ball milling, with
Abrading-ball is rejected, add 24g urethane acrylates, 0.17g tert-butyl hydroperoxide, 0.75g ammonium polyacrylates, add
4.68g toluene, is stirred, and obtains ink-jet ink.Gained ink is fitted into UV ink-jet printers, is formed, forms zero
Part green compact.Green compact are put into drying box and are dried, are put into therewith in debinding furnace, carry out 500 DEG C of degreasings, the specific work of degreasing
Skill is：5 DEG C/min is warming up to 200 DEG C, keeps the temperature 1.5h, and 3 DEG C/min is warming up to 400 DEG C, keeps the temperature 2h, is warming up to 0.6 DEG C/min
500 DEG C, 2h is kept the temperature, 900 DEG C is warming up to 5 DEG C/min, keeps the temperature 2h, carry out pre-burning.Pre-burning part is put into high temperature insostatic pressing (HIP) stove, its
Technological parameter is 1010 DEG C, and 140MPa, 2h, high temperature alloy product, obtains high temperature alloy product.
Embodiment 6
Ink-jet forming titanium alloy product
100g titanium alloy powders are chosen, 1.5g ammonium polyacrylates, 202g abrading-balls, are fitted into ball mill, carry out ball milling, therewith
Abrading-ball is rejected, adds 20g urethane acrylates, 0.20g tert-butyl hydroperoxide, 0.75g ammonium polyacrylates, add
4.68g toluene, is stirred, and obtains ink-jet ink.Gained ink is fitted into UV ink-jet printers, is formed, forms zero
Part green compact.Green compact are put into drying box and are dried, are put into therewith in debinding furnace, carry out 450 DEG C of degreasings, the specific work of degreasing
Skill is.5 DEG C/min is warming up to 200 DEG C, keeps the temperature 1.5h, and 2.5 DEG C/min is warming up to 350 DEG C, keeps the temperature 2h, is heated up with 0.2 DEG C/min
To 450 DEG C, 2h is kept the temperature.700 DEG C are warming up to 5 DEG C/min, pre-sintering is carried out, pre-burning part is put into high temperature insostatic pressing (HIP) stove, its work
Skill parameter is 800 DEG C, and 90MPa, 2h, obtain titanium alloy product.
Claims (9)
1. the ink for ink-jet, it is characterised in that the ink is composed of the following components：Solid powder, quality are solid powder
The photosensitive monomer of last quality 17%~25%, quality are the photoinitiator of photosensitive monomer 1.0%~1.5%, quality is photosensitive list
Body and solid powder quality and 4.0%~6.0% diluent, quality be the scattered of solid powder quality 1.5%~2.0%
Agent, quality are the compatilizer of solid powder quality 0.75%~1.0%.Ink according to claim 1 for ink-jet,
It is characterized in that, the solid powder includes ceramic powders and metal dust, the median of the solid powder is in 2 μm~5 μ
Between m, purity is not less than 99.9%.
2. the ink according to claim 1 for ink-jet, it is characterised in that the photosensitive monomer is acrylate, gathers
One or more mixture in urethane acrylate, epoxy acrylate.
3. the ink according to claim 1 for ink-jet, it is characterised in that the photoinitiator is the double first of styrax
Ether, azo-bis-iso-butyl, tert-butyl hydroperoxide, one kind in benzophenone.
4. the ink according to claim 1 for ink-jet, it is characterised in that the diluent is acrylic sheet ester, benzene
Ethene, cyclohexanone, one kind in toluene, its purity are not less than 99%.
5. the ink according to claim 1 for ink-jet, it is characterised in that the dispersant for ammonium polyacrylate or
One of Sodium Polyacrylate, its purity are not less than 90%；The compatilizer is stearic acid.
6. the preparation method of a kind of ink for ink-jet, it is characterised in that specifically implement according to following steps：
Step 1, solid powder, photosensitive monomer, photoinitiator, dispersant, diluent, compatilizer are weighed, wherein, photosensitive monomer matter
Measure 17%~25% for solid powder quality, photoinitiator quality be the 1.0%~1.5% of photosensitive monomer, diluent quality
For photosensitive monomer and solid powder quality and 4.0%~6.0%, dispersant quality is solid powder quality 1.5%~
2.0%, compatilizer quality is the 0.75%~1.0% of solid powder quality；
Step 2, abrading-ball is weighed, wherein, abrading-ball is 1.1 with solid powder mass ratio:1~2:1, then it will weigh in step 1
Solid powder is fitted into ball mill with dispersant and abrading-ball, carries out ball milling, the mixture after being dispersed through；
Step 3, it will be added in mixture in the photosensitive monomer that step 1 has weighed, add compatilizer, photoinitiator, stirred
Mix, then add diluent, be again stirring for, obtain prefabricated ink, prefabricated ink is fitted into ball mill, is futher stirred, most
The ink of ink-jetting process is obtained eventually.
A kind of 7. preparation method of ink for ink-jet according to claim 7, it is characterised in that in mechanical milling process,
Abrading-ball chooses a diameter of 6mm.
A kind of 8. preparation method of ink for ink-jet according to claim 7, it is characterised in that the solid powder
Including ceramic powders and metal dust, for the median of the solid powder between 2 μm~5 μm, purity is not less than 99.9%；
The photosensitive monomer is acrylate, one or more the mixture in urethane acrylate, epoxy acrylate；Institute
Photoinitiator is stated as benzoin dimethylether, azo-bis-iso-butyl, tert-butyl hydroperoxide, one kind in benzophenone；Diluent
For acrylic sheet ester, styrene, cyclohexanone, one kind in toluene, its purity is not less than 99%；The dispersant is polyacrylic acid
One of ammonium or Sodium Polyacrylate, its purity are not less than 90%；The compatilizer is stearic acid.
9. a kind of ink-jetting process for shaping complicated product, it is characterised in that specifically implement according to following steps：
Step A, ink-jet shaping
Obtained ink prepared by a kind of preparation method of ink for ink-jet of such as claim 7 loads UV ink-jet forming machines
In, the threedimensional model based on part, successively prints, and carries out part green compact preform；
Step B, post processing
Part green compact are put into drying box and are dried, dried part green compact are put into progress low temperature in debinding furnace takes off
Fat, skimming temp be 300 DEG C -500 DEG C, wherein, when with skimming temp difference be 5~10 DEG C when, heating rate control 0.2
DEG C/min~1 DEG C/min between, finally, carry out high temperature sintering/high temperature insostatic pressing (HIP), wherein, when with sintering temperature difference be 5~10 DEG C
When, heating rate is controlled between 1 DEG C/min~4 DEG C/min, obtains the part through ink-jetting process.
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