CN112174575A - Photocuring clay printing material and preparation method thereof - Google Patents
Photocuring clay printing material and preparation method thereof Download PDFInfo
- Publication number
- CN112174575A CN112174575A CN202011029926.5A CN202011029926A CN112174575A CN 112174575 A CN112174575 A CN 112174575A CN 202011029926 A CN202011029926 A CN 202011029926A CN 112174575 A CN112174575 A CN 112174575A
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- parts
- clay
- kaolin
- printing material
- photocuring
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Classifications
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- 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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/18—Polyesters; Polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
- B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00181—Mixtures specially adapted for three-dimensional printing (3DP), stereo-lithography or prototyping
Abstract
The invention relates to the technical field of photocuring clay, in particular to a photocuring clay printing material which is prepared from the following raw materials in parts by weight: 60-75 parts of kaolin, 15-25 parts of ball clay, 5-10 parts of zirconia particles, 5-10 parts of superfine carbon fibers, 25-35 parts of a photo-curing resin prepolymer, 20-30 parts of a reactive diluent, 0.15-0.25 part of a photoinitiator, 2.5-5.5 parts of a dispersing agent and 0-10 parts of a pigment; the light-cured resin prepolymer is prepared from the following raw materials in parts by weight: 40-55 parts of epoxy resin, 0-20 parts of polyether acrylate, 0-18 parts of acrylic resin, 0-15 parts of polyester acrylate and 0-15 parts of polyurethane acrylate. The kaolin and the ball clay are compounded, the zirconia micro powder and the superfine carbon fibers are added simultaneously, the mechanical property of the clay is improved, the mixture is mechanically beaten during processing, and the processing property of the material is improved.
Description
Technical Field
The invention relates to the technical field of photocuring clay, in particular to a photocuring clay printing material and a preparation method thereof.
Background
With the continuous development of the three-dimensional printing technology, the clay material is more and more widely applied to the three-dimensional printing technology, wherein the photocuring forming curing speed is high, the energy utilization rate is high, and the organic volatile is less, so that the method is an energy-saving, environment-friendly and efficient curing forming method. Unprocessed clay materials are not suitable for 3D printing, so clay materials dedicated to 3D printing are available on the market.
Chinese patent, a clay material for 3D printing and a preparation method thereof (patent number: CN201710692211.X), discloses a clay material specially used for 3D printing, wherein kaolin is used as a main raw material, but the plasticity and cohesiveness of kaolin are poor, so that the mechanical property of a processed product is poor.
Therefore, we propose a photo-curing clay printing material and a preparation method thereof to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a photocuring clay printing material and a preparation method thereof.
The photo-curing clay printing material is prepared from the following raw materials in parts by weight: 60-75 parts of kaolin, 15-25 parts of ball clay, 5-10 parts of zirconia particles, 5-10 parts of superfine carbon fibers, 25-35 parts of a photo-curing resin prepolymer, 20-30 parts of a reactive diluent, 0.15-0.25 part of a photoinitiator, 2.5-5.5 parts of a dispersing agent and 0-10 parts of a pigment;
the light-cured resin prepolymer is prepared from the following raw materials in parts by weight: 40-55 parts of epoxy resin, 0-20 parts of polyether acrylate, 0-18 parts of acrylic resin, 0-15 parts of polyester acrylate and 0-15 parts of polyurethane acrylate.
Preferably, the diameter of the superfine carbon fiber is 5-9 μm, and the length of the powder is 10-2500 μm.
Preferably, the reactive diluent is one of TMPTA, TPGDA and HDDA.
Preferably, the photoinitiator is one or a mixture of TPO, TPO-L, 819, diaryl iodonium salt and triaryl sulfonium salt.
A preparation method of a photocuring clay printing material comprises the following steps:
s1, proportionally taking kaolin, ball clay and zirconia particles, putting the kaolin, ball clay and zirconia particles into a crushing device, and crushing the kaolin, ball clay and zirconia particles into particles with the particle size of 2-15 mu m to obtain mixed micro powder;
s2, putting the mixed micro powder, the photo-curing resin prepolymer, the active diluent and the dispersing agent into a mechanical stirrer in proportion, mechanically stirring for 5-15 min, adding the superfine carbon fiber in proportion, mechanically stirring for 15-30 min, then adding the pigment in proportion, and mechanically stirring for 5-15 min;
s3, mechanically beating the mixture obtained in the step S2 for 20-30 min;
s4, transferring the mixture obtained in the step S3 to an ultrasonic stirrer, adding a photoinitiator in proportion, and ultrasonically stirring for 90-120 min to obtain a photocuring clay printing material;
and S5, placing the prepared photocuring clay printing material on a vibration platform.
Preferably, in the step S1, kaolin, ball clay, and zirconia particles are put into a ball mill and pulverized to a particle size of 2 to 15 μm.
Preferably, in the step S1, kaolin, ball clay and zirconia particles are first put into a ball mill and pulverized into particles with a size of 175 to 246 μm, and then pulverized into particles with a size of 2 to 15 μm by a jet mill.
The invention has the beneficial effects that:
1. the kaolin and the ball clay are compounded, so that the plasticity and the cohesiveness of a clay material are improved, and meanwhile, the zirconia micro powder and the superfine carbon fibers are added into the clay, so that the mechanical property of the clay is further improved.
2. Adopt the mode that mechanical stirring and supersound stirring combined to stir the material, guarantee stirring efficiency and mixing uniformity simultaneously, carry out mechanical beating to the mixture between mechanical stirring and supersound stirring, can alleviate clay miropowder and reunite the phenomenon, promote the processability of material.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
The first embodiment is as follows:
the photo-curing clay printing material is prepared from the following raw materials in parts by weight: 60 parts of kaolin, 25 parts of ball clay, 7 parts of zirconia particles, 8 parts of superfine carbon fibers, 30 parts of a light-cured resin prepolymer, 25 parts of an active diluent, 0.2 part of a photoinitiator, 4.5 parts of a dispersant and 2 parts of a pigment;
the light-cured resin prepolymer is prepared from the following raw materials in parts by weight: 50 parts of epoxy resin, 15 parts of acrylic resin and 10 parts of polyester acrylate.
In this example, the diameter of the ultrafine carbon fiber is between 5 μm and 9 μm, the length of the powder is between 10 μm and 2500 μm, the reactive diluent is TMPTA, the photoinitiator is composed of TPO and triarylsulfonium salt, the weight ratio of TPO to triarylsulfonium salt is 1:4, and the dispersant is PMAA-NH4。
A preparation method of a photocuring clay printing material comprises the following steps:
s1, proportionally taking kaolin, ball clay and zirconia particles, putting the kaolin, ball clay and zirconia particles into a crushing device, and crushing the kaolin, ball clay and zirconia particles to obtain mixed micro powder, wherein the particle size of the crushed particles is 2-15 mu m;
s2, putting the mixed micro powder, the photo-curing resin prepolymer, the active diluent and the dispersing agent into a mechanical stirrer in proportion, mechanically stirring for 10min, then adding the superfine carbon fiber in proportion, mechanically stirring for 25min, then adding the pigment in proportion, and mechanically stirring for 10 min;
s3, mechanically beating the mixture obtained in the S2 step for 30 min;
s4, transferring the mixture obtained in the step S3 to an ultrasonic stirrer, adding a photoinitiator in proportion, and ultrasonically stirring for 110min to obtain a photocuring clay printing material;
and S5, placing the prepared photocuring clay printing material on a vibration platform.
In this example, in step S1, kaolin, ball clay, and zirconia particles were placed in a ball mill and pulverized to a particle size of 2 μm to 15 μm.
Example two:
the photo-curing clay printing material is prepared from the following raw materials in parts by weight: 65 parts of kaolin, 22 parts of ball clay, 7 parts of zirconia particles, 6 parts of superfine carbon fibers, 30 parts of a light-cured resin prepolymer, 25 parts of an active diluent, 0.2 part of a photoinitiator, 4.5 parts of a dispersant and 2 parts of a pigment;
the light-cured resin prepolymer is prepared from the following raw materials in parts by weight: 45 parts of epoxy resin, 10 parts of polyether acrylate, 5 parts of acrylic resin, 5 parts of polyester acrylate and 5 parts of polyurethane acrylate.
In this example, the diameter of the ultrafine carbon fiber is between 5 μm and 9 μm, the length of the powder is between 10 μm and 2500 μm, the reactive diluent is TPGDA, the photoinitiator is composed of TPO and triarylsulfonium salt, the weight ratio of TPO to triarylsulfonium salt is 5:9, and the dispersant is PMAA-NH4。
A preparation method of a photocuring clay printing material comprises the following steps:
s1, proportionally taking kaolin, ball clay and zirconia particles, putting the kaolin, ball clay and zirconia particles into a crushing device, and crushing the kaolin, ball clay and zirconia particles to obtain mixed micro powder, wherein the particle size of the crushed particles is 2-15 mu m;
s2, putting the mixed micro powder, the photo-curing resin prepolymer, the active diluent and the dispersing agent into a mechanical stirrer in proportion, mechanically stirring for 10min, then adding the superfine carbon fiber in proportion, mechanically stirring for 25min, then adding the pigment in proportion, and mechanically stirring for 10 min;
s3, mechanically beating the mixture obtained in the S2 step for 30 min;
s4, transferring the mixture obtained in the step S3 to an ultrasonic stirrer, adding a photoinitiator in proportion, and ultrasonically stirring for 110min to obtain a photocuring clay printing material;
and S5, placing the prepared photocuring clay printing material on a vibration platform.
In this example, in step S1, kaolin, ball clay, and zirconia particles were placed in a ball mill and pulverized to a particle size of 2 μm to 15 μm.
Example three:
the photo-curing clay printing material is prepared from the following raw materials in parts by weight: 70 parts of kaolin, 15 parts of ball clay, 8 parts of zirconia particles, 7 parts of superfine carbon fibers, 32 parts of light-cured resin prepolymer, 28 parts of active diluent, 0.22 part of photoinitiator, 3.5 parts of dispersant and 2 parts of pigment;
the light-cured resin prepolymer is prepared from the following raw materials in parts by weight: 45 parts of epoxy resin, 10 parts of polyether acrylate, 5 parts of acrylic resin, 5 parts of polyester acrylate and 5 parts of polyurethane acrylate.
This implementationIn the example, the diameter of the superfine carbon fiber is between 5 μm and 9 μm, the length of the powder is between 10 μm and 2500 μm, the active diluent is TPGDA, the photoinitiator is composed of TPO and triarylsulfonium salt, the weight ratio of TPO to triarylsulfonium salt is 5:9, and the dispersant is PMAA-NH4。
A preparation method of a photocuring clay printing material comprises the following steps:
s1, proportionally taking kaolin, ball clay and zirconia particles, putting the kaolin, ball clay and zirconia particles into a crushing device, and crushing the kaolin, ball clay and zirconia particles to obtain mixed micro powder, wherein the particle size of the crushed particles is 2-15 mu m;
s2, putting the mixed micro powder, the photo-curing resin prepolymer, the active diluent and the dispersing agent into a mechanical stirrer in proportion, mechanically stirring for 10min, then adding the superfine carbon fiber in proportion, mechanically stirring for 25min, then adding the pigment in proportion, and mechanically stirring for 10 min;
s3, mechanically beating the mixture obtained in the S2 step for 30 min;
s4, transferring the mixture obtained in the step S3 to an ultrasonic stirrer, adding a photoinitiator in proportion, and ultrasonically stirring for 110min to obtain a photocuring clay printing material;
and S5, placing the prepared photocuring clay printing material on a vibration platform.
In this example, in step S1, kaolin, ball clay, and zirconia particles were first put into a ball mill and pulverized to a particle size of 175 to 246 μm, and then pulverized to a particle size of 2 to 15 μm with a jet mill.
Example four:
the photo-curing clay printing material is prepared from the following raw materials in parts by weight: 70 parts of kaolin, 15 parts of ball clay, 8 parts of zirconia particles, 7 parts of superfine carbon fibers, 32 parts of light-cured resin prepolymer, 28 parts of active diluent, 0.22 part of photoinitiator, 3.5 parts of dispersant and 2 parts of pigment;
the light-cured resin prepolymer is prepared from the following raw materials in parts by weight: 40 parts of epoxy resin, 5 parts of polyether acrylate, 15 parts of acrylic resin and 5 parts of polyurethane acrylate.
In this embodiment, the diameter of the ultrafine carbon fibers is 5 μm to 9Mu m, the length of the powder is between 10 mu m and 2500 mu m, the active diluent is HDDA, the photoinitiator consists of TPO and triarylsulfonium salt, the weight ratio of TPO to triarylsulfonium salt is 5:8, and the dispersant is PMAA-NH4。
A preparation method of a photocuring clay printing material comprises the following steps:
s1, proportionally taking kaolin, ball clay and zirconia particles, putting the kaolin, ball clay and zirconia particles into a crushing device, and crushing the kaolin, ball clay and zirconia particles to obtain mixed micro powder, wherein the particle size of the crushed particles is 2-15 mu m;
s2, putting the mixed micro powder, the photo-curing resin prepolymer, the active diluent and the dispersing agent into a mechanical stirrer in proportion, mechanically stirring for 10min, then adding the superfine carbon fiber in proportion, mechanically stirring for 25min, then adding the pigment in proportion, and mechanically stirring for 10 min;
s3, mechanically beating the mixture obtained in the S2 step for 30 min;
s4, transferring the mixture obtained in the step S3 to an ultrasonic stirrer, adding a photoinitiator in proportion, and ultrasonically stirring for 110min to obtain a photocuring clay printing material;
and S5, placing the prepared photocuring clay printing material on a vibration platform.
In this example, in step S1, kaolin, ball clay, and zirconia particles were first put into a ball mill and pulverized to a particle size of 175 to 246 μm, and then pulverized to a particle size of 2 to 15 μm with a jet mill.
Example five:
the photo-curing clay printing material is prepared from the following raw materials in parts by weight: 75 parts of kaolin, 15 parts of ball clay, 5 parts of zirconia particles, 5 parts of superfine carbon fibers, 35 parts of a light-cured resin prepolymer, 30 parts of an active diluent, 0.25 part of a photoinitiator, 3 parts of a dispersant and 2 parts of a pigment;
the light-cured resin prepolymer is prepared from the following raw materials in parts by weight: 40 parts of epoxy resin, 5 parts of polyether acrylate, 15 parts of acrylic resin and 5 parts of polyurethane acrylate.
In this embodiment, the diameter of the ultrafine carbon fiber is between 5 μm and 9 μm, and the length of the powder is between 10 μm and 2500 μmThe active diluent is HDDA, the photoinitiator consists of TPO and diaryl iodonium salt, the weight ratio of TPO to diaryl iodonium salt is 5:8, and the dispersant is PMAA-NH4。
A preparation method of a photocuring clay printing material comprises the following steps:
s1, proportionally taking kaolin, ball clay and zirconia particles, putting the kaolin, ball clay and zirconia particles into a crushing device, and crushing the kaolin, ball clay and zirconia particles to obtain mixed micro powder, wherein the particle size of the crushed particles is 2-15 mu m;
s2, putting the mixed micro powder, the photo-curing resin prepolymer, the active diluent and the dispersing agent into a mechanical stirrer in proportion, mechanically stirring for 10min, then adding the superfine carbon fiber in proportion, mechanically stirring for 25min, then adding the pigment in proportion, and mechanically stirring for 10 min;
s3, mechanically beating the mixture obtained in the S2 step for 30 min;
s4, transferring the mixture obtained in the step S3 to an ultrasonic stirrer, adding a photoinitiator in proportion, and ultrasonically stirring for 110min to obtain a photocuring clay printing material;
and S5, placing the prepared photocuring clay printing material on a vibration platform.
In this example, in step S1, kaolin, ball clay, and zirconia particles were first put into a ball mill and pulverized to a particle size of 175 to 246 μm, and then pulverized to a particle size of 2 to 15 μm with a jet mill.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The photocuring clay printing material is characterized by comprising the following raw materials in parts by weight: 60-75 parts of kaolin, 15-25 parts of ball clay, 5-10 parts of zirconia particles, 5-10 parts of superfine carbon fibers, 25-35 parts of a photo-curing resin prepolymer, 20-30 parts of a reactive diluent, 0.15-0.25 part of a photoinitiator, 2.5-5.5 parts of a dispersing agent and 0-10 parts of a pigment;
the light-cured resin prepolymer is prepared from the following raw materials in parts by weight: 40-55 parts of epoxy resin, 0-20 parts of polyether acrylate, 0-18 parts of acrylic resin, 0-15 parts of polyester acrylate and 0-15 parts of polyurethane acrylate.
2. The photo-curing clay printing material as claimed in claim 1, wherein the ultrafine carbon fibers have a diameter of 5 μm to 9 μm and a powder length of 10 μm to 2500 μm.
3. The photo-curable clay printing material according to claim 1, wherein the reactive diluent is one of TMPTA, TPGDA and HDDA.
4. The photo-curable clay printing material as claimed in claim 1, wherein the photo-initiator is one or more selected from TPO, TPO-L, 819, diaryliodonium salt and triarylsulfonium salt.
5. The preparation method of the photocuring clay printing material is characterized by comprising the following steps of:
s1, proportionally taking kaolin, ball clay and zirconia particles, putting the kaolin, ball clay and zirconia particles into a crushing device, and crushing the kaolin, ball clay and zirconia particles into particles with the particle size of 2-15 mu m to obtain mixed micro powder;
s2, putting the mixed micro powder, the photo-curing resin prepolymer, the active diluent and the dispersing agent into a mechanical stirrer in proportion, mechanically stirring for 5-15 min, adding the superfine carbon fiber in proportion, mechanically stirring for 15-30 min, then adding the pigment in proportion, and mechanically stirring for 5-15 min;
s3, mechanically beating the mixture obtained in the step S2 for 20-30 min;
s4, transferring the mixture obtained in the step S3 to an ultrasonic stirrer, adding a photoinitiator in proportion, and ultrasonically stirring for 90-120 min to obtain a photocuring clay printing material;
and S5, placing the prepared photocuring clay printing material on a vibration platform.
6. The method of claim 5, wherein in the step S1, the kaolin, ball clay and zirconia particles are ball-milled to a particle size of 2 μm to 15 μm.
7. The method of claim 5, wherein in step S1, the kaolin, ball clay, and zirconia particles are ball milled to particle size of 175-246 μm, and then milled to particle size of 2-15 μm with a jet mill.
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