CN106563799A - Metal material for photocuring and preparation method of metal material - Google Patents
Metal material for photocuring and preparation method of metal material Download PDFInfo
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- CN106563799A CN106563799A CN201610979359.7A CN201610979359A CN106563799A CN 106563799 A CN106563799 A CN 106563799A CN 201610979359 A CN201610979359 A CN 201610979359A CN 106563799 A CN106563799 A CN 106563799A
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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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/102—Metallic powder coated with organic material
Abstract
The invention discloses a metal material for photocuring. The metal material comprises metal powder and acrylate resin with the volume ratio ranging from 9:11 to 4:1. The metal material further comprises auxiliaries. The auxiliaries comprise a free radical photoinitiator, a dispersing agent and a defoaming agent. A preparation method of the metal material comprises the steps that the metal powder, an auxiliary adding agent and the dispersing agent are mixed and subjected to ball grinding to be mixed uniformly; and the material obtained after ball grinding and the defoaming agent are added into the resin and added into the free radical photoinitiator by avoiding light, after uniform mixing, light avoiding and standing are carried out, and the metal material capable of being used for photocuring is obtained after bubbles are completely eliminated. According to the metal material, metal powder forming is achieved when the resin is cured through ultraviolet lasers, and the metal material can be used for burning-loss-free and deformation-free forming of complex metal parts.
Description
Technical field
The invention belongs to optical soliton interaction technical field, and in particular to a kind of metal material and its preparation for photocuring
Method.
Background technology
Important substance basis of the metal material as development of human history, has obtained extensively in the production, life in people
Using improvement and the innovation of its manufacturing process play great impetus to the development of society and the progress of civilization.Past gold
Using traditional processing method such as casting, forging, weldering, machining, the shaping of category material, generally realizes that these methods are to product
The shaping that batch is greatly, design of part is simple, the R＆D cycle limits the characteristic metal product such as little is very useful, but for small quantities of
Amount, labyrinth, the shaping of R＆D cycle restricted products but seem unable to do what one wishes, and increases material manufacturing technology is in metal material in recent years
Use in shaping, significantly improves this situation, greatly reduces the constraint that traditional diamond-making technique is shaped to metal material,
Accelerate the course of social development and civilization and progress.
In current increases material manufacturing technology, the main stream approach of molding metallic material is LSF and SLM, and the two is by laser straight
Connect and act on metal dust, allow powder experience to melt and process of setting, and then the part needed for acquisition that gradually adds up, thus can exist
Following shortcoming：
(1), for the metal higher to laser reflectivity, its capacity usage ratio is low；
(2), for the alloy containing low melting point element, melting loss of elements be present；
(3) the alloy higher for fusing point, shapes relatively difficult；
(4) laser action produces the problem that bubble is involved in molten bath when molten bath；
(5) caused by thermal contraction the problems such as stress, deformation.
The content of the invention
It is an object of the invention to provide a kind of metal material for photocuring, solve that existing manufacturing process is present with
Upper problem.
It is a further object of the present invention to provide the preparation method of above-mentioned metal material.
The technical solution adopted in the present invention is, a kind of metal material for photocuring, including volume ratio is 9:11-4:
1 metal dust and acrylate, also including auxiliary agent；The auxiliary agent includes free radical photo-initiation, dispersant and froth breaking
Agent.
The characteristics of material, also resides in：
Further, the metal material also includes for improving the metal or nonmetalloid of metal parts forming property,
Its quality with metal dust mass ratio is：1:99-999.
Preferably, free radical photo-initiation is Benzoinum class, acetophenones, benzil class, acylphosphine oxide or α-amine
Alkylbenzene ketone, its quality account for the 0.1-1.5% of metal dust gross mass.
Preferably, dispersant is ammonium polyacrylate or ammonium citrate, and its quality accounts for the 0.1-1% of metal dust gross mass；
Defoamer is lower alcohol, organically-modified compound, mineral oil, and its quality accounts for the 0.06-1% of metal dust gross mass.
Preferably, metal dust is that aluminum and aluminium alloy, copper and copper alloy, steel, tungsten and tungsten alloy, cochrome or high temperature are closed
Any one in gold.Further, metal dust d50For 1um-10um.
Further, auxiliary agent also includes one or more in photosensitizer, phase solvent, diluent, wherein, photosensitizer is peace
The fragrant isopropyl ether of breath, Liu Za Onion ketone or benzil, its quality account for the 0.05-0.9% of metal dust quality；Phase solvent is polyhydric alcohol
Or stearic acid, its quality accounts for the 0.18-1.5% of metal dust quality；Diluent be multi-functional acrylate, vinyl ethers or
Monofunctional acrylates' ester；Its quality accounts for the 0.1-1.2% of metal dust quality.
Another technical scheme of the present invention is that the preparation method of above-mentioned metal material is comprised the following steps：
Step 1, by metal dust and dispersant, and the ball milling in the ball mill, it is allowed to mix homogeneously；
Step 2, the material after ball milling and defoamer are added in resin, and under the conditions of lucifuge, add free radical light-initiated
Agent, is uniformly mixed；
Step 3, the hybrid resin of mix homogeneously is stood under conditions of lucifuge, normal pressure or negative pressure, treats that bubble disappears completely
Obtain can be used for the metal material of photocuring after removing.
Further, it is additionally added in step 1 for improving the metal or nonmetalloid of metal parts forming property；Step
2 are additionally added one or more in above-mentioned photosensitizer, phase solvent or diluent.
Preferably, 25-65 DEG C of step 2 whipping temp, stir speed (S.S.) 100-700rad/min, mixing time 1-4h.
The invention has the beneficial effects as follows, the metal material of the present invention is used for optical soliton interaction, due to causing between metal dust
Close, effective connection occurs in last handling process, thus do not exist the low capacity usage ratio caused by laser, melting loss of elements and
Difficult Problems in forming；The direct effect of laser and molten bath can be avoided simultaneously, not there is a problem of that bubble is involved in molten bath.In addition, passing through
Resin solidification realizes the shaping of part blank, it is to avoid caused by thermal contraction the problems such as stress, deformation.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, but the present invention is not limited to these realities
Apply mode.
The present invention the metal material for photocuring, including volume ratio be 9:11-4:1 metal dust and resin, gold
Category powder (material i.e. to be formed) includes the metal relatively low to laser utilization, such as aluminum and its alloy；Also include by forming atmosphere
Affect larger metal, such as copper and its alloy, steel；Also include the higher metal of fusing point, such as tungsten and its alloy, cochrome or height
Temperature alloy.Resin is acrylate, for example, can be epoxy acrylate, urethane acrylate, polyester acrylate
Deng.
Metal material of the present invention also includes auxiliary agent, and auxiliary agent is assist formation material, and the later stage is gone by defat as resin
Remove, including free radical photo-initiation, photosensitizer, phase solvent, dispersant, defoamer.When viscosity of material is larger to be difficult to stir also
Including diluent.Free radical photo-initiation is used for initiated polymerization, is Benzoinum class, acetophenones, benzil class, acylphosphanes
Oxide or α-amine alkylbenzene ketone.Photosensitizer is used for the action effect for improving light trigger, is benzoin isobutyl propyl group ether, thia
Onion ketone or benzil.Phase solvent is used to improve metal dust and mixed with resin effect, is polyhydric alcohol or stearic acid.Dispersant is used for
Make metal dust uniform with mixed with resin, be ammonium polyacrylate or ammonium citrate.Defoamer is used to remove matched somebody with somebody reinforced resin
Interior bubble, is lower alcohol, organically-modified compound or mineral oil.Diluent is used for the viscosity for reducing formula, is polyfunctional group
Acrylate, vinyl ethers or monofunctional acrylates' ester.Auxiliary agent accounts for the ratio of metal dust gross mass and is respectively：Free radical light
Initiator 0.1-1.5%, photosensitizer 0.05-0.9%, phase solvent 0.18-1.5%, dispersant 0.1-1%, defoamer 0.06-
1%th, diluent 0.1-1.2%.
Metal material of the present invention can also include metal or nonmetalloid for improving metal parts forming property such as
Be conducive to improving the silicon of aluminium alloy capability, magnesium, rare earth element etc.；Be conducive to improving the nickel of copper alloy performance, manganese, lead etc.；Favorably
Chromium, tungsten, manganese in raising Steel Properties etc.；Be conducive to improving the rare earth and its oxide of tungsten alloy performance；Be conducive to improving cobalt chromium
The rare earth element of alloy property；Be conducive to improving the calcium of high temperature alloy performance, boron, zirconium etc..Auxiliary additive and metal dust
Mass ratio is 1:99-999.
The preparation method of above-mentioned metal material is comprised the following steps：
The selection and pretreatment of step 1, metal dust and auxiliary additive；
Filter out and meet d50For the metal dust of 1um-10um, and auxiliary additive is selected as needed；By metal dust：
Auxiliary additive=99-999:1 ratio measures pending material, is adding dispersant in the ball mill, ball milling 1-2h.
Step 2, the mixing of photocuring metal material.
First, the material after ball milling is added step-wise in acrylate several times, photosensitizer, phase solvent, dilution
Agent is also added in resin with material after ball milling several times and carries out appropriate stirring.Each time stirring parameter used is, stirring temperature
25-65 DEG C of degree, stir speed (S.S.) 100-500rad/min, mixing time 1-4h.
Then, free radical photo-initiation is added under conditions of lucifuge, defoamer is again stirring for.Stirring now used
Parameter is, 25-65 DEG C of whipping temp, stir speed (S.S.) 200-700rad/min, mixing time 2-4h.
Step 3, the froth breaking of photocuring metal material.
The hybrid resin of mix homogeneously is stood into 1-24h under conditions of lucifuge, normal pressure or negative pressure, treats that bubble is completely eliminated
Obtain afterwards can be used for the metal material of photocuring.
The present invention adopts optical soliton interaction technology, avoids the direct effect of laser and metal dust, thus do not have because
Metal is high to laser reflectivity and problem that caused capacity usage ratio is low, it is to avoid be repeatedly melted/solidify the first biscuiting for causing
Damage, bubble be involved in, thermal stress the problems such as, also reduce the shaping difficulty of high-melting-point alloy.
Meanwhile, using the preparing process of above-mentioned slurry, ensure that slurry is 45-80% in volume fraction shared by its solid phase
In the range of can obtain good mixed effect, and slurry has good adaptability to ultraviolet curing process, it is ensured that pass through
The product of later stage forming process excellent.
Embodiment 1
The preparation of photocuring aluminum alloy materials
1. material prescription
Metal dust is d50The AlSi10Mg of=6.5um；Auxiliary additive is rare earth element；Mass ratio both during mixing
For AlSi10Mg：Rare earth element=999:1；
Acrylate is 1,6 hexanediol diacrylate；Light trigger is benzoin dimethylether, and quality is metal
The 1.5% of powder quality；Photosensitizer is benzoin isobutyl propyl group ether, and quality is the 0.9% of metal dust quality；Phase solvent is polynary
Alcohol, quality for metal dust quality 1.5%；Dispersant is ammonium citrate, and quality is the 1% of metal dust quality；Defoamer
For mineral oil, quality for metal dust quality 1%；Diluent is vinyl ethers, and quality is the 1.2% of metal dust quality.
Metal dust volume is 3 with resin ratio:2.
2. preparation method
1) by 1602gAlSi10Mg and 1.60g rare earths in the case where 16.02g dispersants are added in ball mill, ball milling
1-2h, makes metal mixture.
2) take the metal mixture of 809.81g, 7.209g photosensitizer, 12.015g phase solvents, 9.612g diluent with
400ml treats that mixed resin is added in blender, at a temperature of 35 DEG C, with the rotating speed of 200rad/min, stirs 1.5h.Continue to add
Enter the metal mixture and 4.806g photosensitizer, 8.01g phase solvents, 6.408g diluent of 539.87g, at a temperature of 35 DEG C,
With the rotating speed of 250rad/min, 2h is stirred.Remaining 269.94g metal mixtures and 2.403g photosensitizer, 4.005g are mixed
Agent, 3.204g diluent, at a temperature of 35 DEG C, with the rotating speed of 300rad/min, stir 1h；
3) defoamer of the light trigger and 16.02g of 24.03g under conditions of lucifuge, is added, at a temperature of 35 DEG C,
With the rotating speed of 350rad/min, after stirring 2h, 8h is stood in the negative pressure less than -0.06MPa, dark situation.
Obtained photocuring aluminum alloy materials being placed in uv equipment, lift height being set as 20um, Jing wavelength is
The blank of part needed for the UV-curing chemical conversion of 355nm, it is 99.5% that with after, the degreasing sintered processes of Jing are obtained consistency, deformation
≤ 0.1mm/10mm, the articles made of aluminium alloy of surface roughness≤25um.
Embodiment 2
The preparation of photocuring Cu alloy material
1. material prescription
Metal dust is d50The H65 of=3.0um；Auxiliary additive is manganese element；Mass ratio both during mixing is H65：
Manganese element=499:1；
Acrylate is 1,6 hexanediol diacrylate；Light trigger is benzoin dimethylether, and quality is metal
The 0.4% of powder quality；Photosensitizer is benzoin isobutyl propyl group ether, and quality is the 0.16% of metal dust quality；Dispersant is lemon
Lemon acid ammonium, quality for metal dust quality 0.4%；Defoamer is mineral oil, and quality is the 0.16% of metal dust quality；It is dilute
Agent is released for vinyl ethers, quality for metal dust quality 0.4%.
Metal dust volume and resin ratio about 1:1.
2. preparation method
1) by 4275gH65 and 8.57g manganese elements in the case where 17.1g dispersants are added in ball mill, ball milling 1-
2h, makes metal mixture.
2) metal mixture, 3.42g photosensitizer, 8.55g diluent and the 500ml for taking 2150.335g treats that mixed resin adds
Enter in blender, at a temperature of 35 DEG C, with the rotating speed of 300rad/min, stir 1h.The metal for continuously adding 1433.557g is mixed
Compound and 2.28g photosensitizer, 5.7g diluent, at a temperature of 35 DEG C, with the rotating speed of 300rad/min, stir 1h.By residue
716.778g metal mixtures and 1.14g photosensitizer, 2.85g diluent, at a temperature of 35 DEG C, with 350rad/min turn
Speed, stirs 1.5h；
3) defoamer of the light trigger and 6.84g of 17.1g under conditions of lucifuge, is added, at a temperature of 35 DEG C, with
The rotating speed of 350rad/min, after stirring 2h, stands 4.5h in the negative pressure less than -0.08MPa, dark situation.
Obtained photocuring Cu alloy material being placed in uv equipment, lift height being set as 30um, Jing wavelength is
The UV-curing of 355nm is melted into the blank of required part, and the copper alloy product conductivity that the degreasing sintered processes of Jing are obtained with after is
The 50% of fine copper.
Embodiment 3
The preparation of photocuring Steel material
1. material prescription
Metal dust is d50The 0Cr18Ni9Ti rustless steels of=2.0um；Auxiliary additive is chromium；Both during mixing
Mass ratio is rustless steel：Chromium=99:1；
Acrylate is 1,6 hexanediol diacrylate；Light trigger is benzoin dimethylether, and quality is metal
The 0.6% of powder quality；Photosensitizer is benzoin isobutyl propyl group ether, and quality is the 0.2% of metal dust quality；Phase solvent is polynary
Alcohol, quality for metal dust quality 0.4%；Dispersant is ammonium citrate, and quality is the 0.5% of metal dust quality；Froth breaking
Agent is mineral oil, and quality is the 0.21% of metal dust quality；Diluent is vinyl ethers, and quality is metal dust quality
0.5%.
Metal dust volume and resin ratio about 9:11.
2. preparation method
1) by 3487.5g rustless steels and 35.227g chromiums in the case where 17.4375g dispersants are added in ball mill
Interior, ball milling 1-2h makes metal mixture.
2) take the metal mixture of 1770.0823g, 3.4875g photosensitizer, 6.975g phase solvents, 8.7187g diluent with
550ml treats that mixed resin is added in blender, at a temperature of 50 DEG C, with the rotating speed of 250rad/min, stirs 1h.Continuously add
The metal mixture of 1180.0548g and 2.325g photosensitizer, 4.65g phase solvents, 5.8125g diluent, in 50 DEG C of temperature
Under, with the rotating speed of 300rad/min, stir 1h.By remaining 590.0275g metal mixtures and 1.1625g photosensitizer,
2.325g phase solvents, 2.9063g diluent, at a temperature of 50 DEG C, with the rotating speed of 300rad/min, stir 1.5h；
3) defoamer of the light trigger and 7.3238g of 20.925g under conditions of lucifuge, is added, in 50 DEG C of temperature
Under, with the rotating speed of 300rad/min, after stirring 2h, 5h is stood in the negative pressure less than -0.08MPa, dark situation.
Obtained photocuring stainless steel material being placed in uv equipment, lift height being set as 20um, Jing wavelength is
The blank of part needed for the UV-curing chemical conversion of 355nm, with after, the degreasing sintered processes of Jing obtain consistency for 95%, shape and chi
It is very little to meet the stainless steelwork for requiring.
Embodiment 4
The preparation of photocuring tungsten alloy material
1. material prescription
Metal dust is d50The WC of=2.5um；Auxiliary additive is rare earth element；Mass ratio both during mixing is WC：
Rare earth element=999:1；
Acrylate is urethane acrylate；Light trigger is Irgacure 651, and quality is metal dust matter
The 0.1% of amount；Photosensitizer is benzoin isobutyl propyl group ether, and quality is the 0.05% of metal dust quality；Phase solvent is stearic acid, matter
Measure 0.25% for metal dust quality；Dispersant is ammonium polyacrylate, and quality is the 0.1% of metal dust quality；Defoamer
For mineral oil, quality for metal dust quality 0.06%；Diluent is vinyl ethers, and quality is metal dust quality
0.1%.
Metal dust volume and resin ratio about 13:7.
2. preparation method
1) by 10159.5gWC and 10.1697g rare earth elements in the case where 10.1595g dispersants are added in ball mill
Interior, ball milling 1.5h makes metal mixture.
2) take the metal mixture of 5089.9146g, 2.496g photosensitizer, 12.48g phase solvents, 5.0798g diluent with
350ml treats that mixed resin is added in blender, at a temperature of 50 DEG C, with the rotating speed of 350rad/min, stirs 1h.Continuously add
The metal mixture of 3393.2764g and 1.664g photosensitizer, 8.32g phase solvents, 3.3865g diluent, in 50 DEG C of temperature
Under, with the rotating speed of 400rad/min, stir 1h.By remaining 1696.6382g metal mixtures and 0.832g photosensitizer, 4.16g
Phase solvent, 1.6932g diluent, at a temperature of 50 DEG C, with the rotating speed of 450rad/min, stir 1.5h；
3) defoamer of the light trigger and 6.0957g of 10.1595g under conditions of lucifuge, is added, in 50 DEG C of temperature
Under, with the rotating speed of 300rad/min, after stirring 2h, 5h is stood in the negative pressure less than -0.08MPa, dark situation.
Obtained photocuring WC materials being placed in uv equipment, lift height being set as 35um, Jing wavelength is 355nm
UV-curing chemical conversion needed for part blank, with after the degreasing sintered processes of Jing obtain segregation-free, element-free scaling loss, deformation≤
The WC products of 0.3mm/10mm.
Embodiment 5
The preparation of photocuring cochrome material
1. material prescription
Metal dust is d50The GH188 of=1um；Auxiliary additive is rare earth element；Mass ratio both during mixing is
GH188：Rare earth element=999:1；
Acrylate is polyester acrylate；Light trigger is Irgacure 250, and quality is metal dust quality
0.2%；Photosensitizer is benzoin isobutyl propyl group ether, and quality is the 0.14% of metal dust quality；Phase solvent is stearic acid, quality
For the 0.18% of metal dust quality；Dispersant is ammonium polyacrylate, and quality is the 0.25% of metal dust quality；Defoamer is
Mineral oil, quality for metal dust quality 0.1%；Diluent is vinyl ethers, and quality is the 0.27% of metal dust quality.
Metal dust volume and resin ratio about 4:1.
2. preparation method
1) by 7272g GH188 and 7.2793g rare earth elements in the case where 18.18g dispersants are added in ball mill,
Ball milling 1.5h, makes metal mixture.
2) metal mixture of 3648.7297g, 5.0904g photosensitizer, 6.5448g phase solvents, 9.8172g diluent are taken
Treat that mixed resin is added in blender, at a temperature of 65 DEG C with 200ml, with the rotating speed of 400rad/min, stir 2h.By residue
3648.7297g metal mixtures and 5.0904g photosensitizer, 6.5448g phase solvents, 9.18172g diluent, in 65 DEG C of temperature
Under degree, with the rotating speed of 500rad/min, 1.5h is stirred；
3) defoamer of the light trigger and 7.272g of 14.544g under conditions of lucifuge, is added, in 65 DEG C of temperature
Under, with the rotating speed of 450rad/min, after stirring 2h, 5h is stood in the negative pressure less than -0.08MPa, dark situation.
Obtained photocuring cochrome material is placed in uv equipment, lift height is set as 15um, Jing wavelength
The blank of part for needed for the UV-curing chemical conversion of 355nm, it is 90% that with after, the degreasing sintered processes of Jing are obtained consistency, shape
The cochrome product for requiring is met with size.
Embodiment 6
The preparation of photocuring high-temperature alloy material
1. material prescription
Metal dust is d50The FGH4095 nickel base superalloys of=10um；Auxiliary additive is zr element；Both during mixing
Mass ratio be FGH4095：Zr element=999:1；
Acrylate is 1,6 hexanediol diacrylate；Light trigger is benzoin dimethylether, and quality is metal
The 0.35% of powder quality；Phase solvent is stearic acid, and quality is the 0.33% of metal dust quality；Dispersant is polyacrylic acid
Ammonium, quality for metal dust quality 0.45%；Defoamer is mineral oil, and quality is the 0.2% of metal dust quality.
Metal dust volume and resin ratio about 9:11.
2. preparation method
1) by 4158g FGH4095 and 4.1622g zr elements in the case where 18.711g dispersants are added in ball mill
Interior, ball milling 1.5h makes metal mixture.
2) metal mixture, 6.8607g phase solvents and the 550ml for taking 2090.4366g treats that mixed resin adds blender
It is interior, at a temperature of 50 DEG C, with the rotating speed of 350rad/min, stir 1h.Continuously add the metal mixture of 1393.6244g with
4.5738g phase solvents, at a temperature of 50 DEG C, with the rotating speed of 400rad/min, stir 1h.By remaining 696.8122g metals
Mixture and 2.2869g phase solvents, at a temperature of 50 DEG C, with the rotating speed of 450rad/min, stir 1.5h；
3) defoamer of the light trigger and 8.316g of 14.533g under conditions of lucifuge, is added, in 50 DEG C of temperature
Under, with the rotating speed of 300rad/min, after stirring 2h, 4.5h is stood in the negative pressure less than -0.08MPa, dark situation.
Obtained photocuring high-temperature alloy material is placed in uv equipment, lift height is set as 45um, Jing wavelength
For 355nm UV-curing chemical conversion needed for part blank, with after the degreasing sintered processes of Jing can be deformed≤0.1mm/10mm,
Surface roughness≤40um, element-free scaling loss, the high temperature alloy product of reduced in segregation.
Claims (10)
1. a kind of metal material for photocuring, it is characterised in that be 9 including volume ratio:11-4:1 metal dust and third
Alkene acid ester resin, also including auxiliary agent；The auxiliary agent includes free radical photo-initiation, dispersant and defoamer.
2. the metal material for photocuring according to claim 1, it is characterised in that the metal material also includes using
In the metal or nonmetalloid that improve metal parts forming property, its quality with metal dust mass ratio is：1:99-999.
3. the metal material for photocuring according to claim 1 and 2, it is characterised in that the free radical is light-initiated
Agent is Benzoinum class, acetophenones, benzil class, acylphosphine oxide or α-amine alkylbenzene ketone, and its quality accounts for metal dust
The 0.1-1.5% of gross mass.
4. the metal material for photocuring according to claim 1, it is characterised in that the dispersant is polyacrylic acid
Ammonium or ammonium citrate, its quality account for the 0.1-1% of metal dust gross mass；The defoamer is lower alcohol, organically-modified chemical combination
Thing or mineral oil, its quality account for the 0.06-1% of metal dust gross mass.
5. the metal material for photocuring according to claim 1, it is characterised in that the metal dust be aluminum and its
Any one in alloy, copper and its alloy, steel, tungsten alloy, cochrome or high temperature alloy.
6. the preparation method of metal material according to claim 1, it is characterised in that the metal dust d50For 1um-
10um。
7. the metal material for photocuring according to claim 1, it is characterised in that the auxiliary agent also includes photosensitive
Agent, phase solvent, one or more in diluent, wherein, photosensitizer is benzoin isobutyl propyl group ether, the miscellaneous Onion ketone of sulfur or benzil,
Its quality accounts for the 0.05-0.9% of metal dust quality；Phase solvent is polyhydric alcohol or stearic acid, and its quality accounts for metal dust quality
0.18-1.5%；Diluent is multi-functional acrylate, vinyl ethers or monofunctional acrylates' ester, and its quality accounts for metal
The 0.1-1.2% of powder quality.
8. a kind of preparation method of metal material as claimed in claim 1, it is characterised in that comprise the following steps：
Step 1, by metal dust and dispersant, and the ball milling in the ball mill, it is allowed to mix homogeneously；
Step 2, the material after ball milling and defoamer is added in resin, and free radical photo-initiation is added under the conditions of lucifuge,
It is uniformly mixed；
Step 3, the hybrid resin of mix homogeneously is stood under conditions of lucifuge, normal pressure or negative pressure, after bubble is completely eliminated
Obtain can be used for the metal material of photocuring.
9. the preparation method of metal material according to claim 8, it is characterised in that be additionally added in step 1 for improving
The metal or nonmetalloid of metal parts forming property；And/or be additionally added in step 2 in photosensitizer, phase solvent or diluent
One or more.
10. the preparation method of metal material according to claim 8, it is characterised in that whipping temp 25- described in step 2
65 DEG C, stir speed (S.S.) 100-700rad/min, mixing time 1-4h.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5496682A (en) * | 1993-10-15 | 1996-03-05 | W. R. Grace & Co.-Conn. | Three dimensional sintered inorganic structures using photopolymerization |
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