CN105924116A - Inorganic and organic compound modified fast-curing material - Google Patents
Inorganic and organic compound modified fast-curing material Download PDFInfo
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- CN105924116A CN105924116A CN201610288204.9A CN201610288204A CN105924116A CN 105924116 A CN105924116 A CN 105924116A CN 201610288204 A CN201610288204 A CN 201610288204A CN 105924116 A CN105924116 A CN 105924116A
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- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
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- 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
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- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
- C04B28/146—Calcium sulfate hemi-hydrate with a specific crystal form alpha-hemihydrate
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- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
- C04B28/147—Calcium sulfate hemi-hydrate with a specific crystal form beta-hemihydrate
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- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/18—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
- C04B28/186—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type containing formed Ca-silicates before the final hardening step
- C04B28/188—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type containing formed Ca-silicates before the final hardening step the Ca-silicates being present in the starting mixture
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- 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
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- 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
- C04B35/62615—High energy or reactive ball milling
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- 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
- C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- 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
- C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/636—Polysaccharides or derivatives thereof
- C04B35/6365—Cellulose or derivatives thereof
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Abstract
The invention relates to an inorganic and organic compound modified fast-curing material. A preparing method of the material includes the following steps of 1 ball milling, wherein powder is subjected to ball milling for granulation, and a ball mill is used for carrying out ball milling on the raw material; 2 grading, wherein powder granules obtained in the step 1 are dried and graded; 3 blending, wherein 500-800 mesh powder granules, 800-1000 mesh powder granules and 1000 mesh powder granules obtained through grading in the step 2 are blended by the mass ratio of (2-3):(3-5):(2-5), an organic modifying agent is added, and the mixture is stirred for 2-3 h in a power mixer to be mixed uniformly and dried to obtain the fast-curing material. The fast-curing material has the advantages of being fine and smooth in granule, high in whiteness and flowability, short in curing time and high in curing strength, the raw materials are rich and easy to obtain, a process route is simple, material performance meets the requirements for fineness and flowability, and the fast-curing material is particularly suitable for model making process including 3D printing technologies.
Description
Technical field
The present invention relates to the modified fast material admittedly of a kind of inorganic organic complex, belong to model manufacturing Material Field.
Background technology
Along with developing rapidly of the development in epoch, the especially network information technology, bringing earth-shaking change to our life, the epoch of Network Information have arrived.In the epoch that this is new, maximum feature is exactly the digitized in the world, information-based.It is exactly by digitized process by the every aspect in life, then the propagation through networking, the world making us is more quick, more efficiently, the most imaginative.This revolution is the earliest from the beginning of medium field, then financial field, the most gradually follows up in the communications field.Now, industry manufacture field is also undergo the impact of this trend, start carrying out slowly the road of change of oneself.Salient feature is exactly to increase bringing up again and developing of material manufacturing technology.
Increase material manufacturing technology and be commonly called as 3D printing technique, refer to that the method using material gradually to add up manufactures the technology of entity component, relative to traditional material removal, Machining Technology for Cutting, be the manufacture method of a kind of " from bottom to top ".Compared with traditional technology, this technology, except saving material, prepares complex parts, quickly realize beyond the advantages such as product, due also to this technology can be by information, material, biology, the technology such as control organically merges, and therefore will have huge development potentiality in future.
Present stage, this technology quickly grows, and sums up to get up to be broadly divided into several big class: lf sinters, and photocuring, plastics fusion sediment, powder is bonding.Relative to other several technology, manufacturing technology based on powder bonding mechanism has the biggest application prospect.Its principle is the simplest, it it is exactly the effect that two dimension printing technique is realized by the way of successively superposition three-dimensional manufacture, it is originated in the feature of two dimensional surface printing technique between it, powder adhesion type 3D printer is the most uniquely to realize the technology that full color 3D prints, it is widely used in the field higher to color requirements, such as industrial design, the fields such as the art work designs, 3-dimensional photography.Its principle realizing the printing of full color 3D prints similar with 2D full color, and even some part can be the most general, is very easy to the development of this technology.Full-color 3D prints the difference that print maximum full-color from 2D and is the different of print media.2D prints the medium used and is usually paper, and it is the powder body with property that full-color 3D prints its medium, due to the needs of technique, the properties of powder body is proposed claimed below: 1) whiteness: in order to realize the color developing effect of various color, need powder medium to have higher whiteness；2) fineness: powder fineness determines the fine and smooth degree of 3D printed product, and granularity is the biggest, and product appearance is the most coarse, otherwise, product appearance is the finest and the smoothest；3) mobility: owing to print procedure relates to successively sprawling of powder body, therefore the mobility to product proposes higher requirement, and mobility is bad, easily causes the defect of product；4) intensity: product strength relates to its application, the highest range of application of intensity is the widest.
This technology is that the eighties in last century is by Massachusetts Institute Technology collegian Borrow-WILLIAMS-DARLING Ton and his tutor Yi Lai-saxophone's teaching inventive, due to starting relatively early, the experience of U.S.'s associated companies accumulating and enriching, but developer is primarily upon in device fabrication due to major part, on automatization realizes, and put into not in the exploitation of print media, and the expert in especially lack of materials field is engaged in this research, no matter the powder characteristic therefore provided is from whiteness, in fineness, or intensity the most less desirable.
Domestic correlational study starts the most gradually, patent CN102093646 B proposes some methods preparing this bonding printing powder body, but its complex process, equipment requirements is high, and pilot process relates to various solvent, the most relatively costly, on the other hand there is the risk of environmental pollution, and this patent is not specifically related to the control of some key parameters, its product stability has the biggest problem.Although patent CN103936392A is also powder to be increased material manufacture and be correlated with, but to relate to concept be from other angle for it, and powder body is sprayed by nozzle or flows out, and simply proposes a conception of species in this patent, and unrealized real product.Controlling 0.4～0.9um it addition, mention diameter of particle in this patent, this range of particle is relatively big due to molecular separating force function influence, and easily reuniting has a strong impact on its mobility.
Summary of the invention
It is an object of the invention to provide the modified fast material admittedly of a kind of inorganic organic complex, so as to be preferably applied for 3D and print field, improve serviceability.
To achieve these goals, technical scheme is as follows.
The modified fast material admittedly of a kind of inorganic organic complex, uses the grain composition between each granularity of careful design, and combines suitable modifying agent, prepares fineness height, good fluidity, modified powder that intensity is big, and the preparation process of this material is as follows:
(1) ball milling: powder body ball milling pelletize, utilizes ball mill to carry out ball milling by raw material, adds ball-milling additive in mechanical milling process simultaneously, and drum's speed of rotation controls at 5000～10000 revs/min；
(2) classification: powder granule above-mentioned steps (1) obtained carries out classification after drying, and the powder granule that step (1) obtains utilizes gradation machine carry out staged care by 500 mesh, 800 mesh and 1000 mesh Three Estates；
(3) mixture: the 500～800 mesh powder granules that classification in step (2) is obtained: 800～1000 mesh powder granules: in mass ratio 2～3:3～5:2～5 ratio mixture below 1000 mesh powder granules, it is simultaneously introduced organic modifiers, stirring 2～3 hours in mixed powder machine, mixing obtains product of the present invention after drying.
Further, in step (1), the raw material of ball milling is one or several in anhydrite, a-semi-hydrated gypsum, b-semi-hydrated gypsum, calcium silicates or ceramic powder.
Further, in step (1), ball-milling additive is one or several in Polyethylene Glycol, triethanolamine, glycerol or methyl-silicone oil.
Further, in step (1), it is 3～8% that ball-milling additive accounts for raw material quality ratio, and Ball-milling Time is 2～3 hours.
Further, in step (2), the gradation machine used is vibrosieve or gas classification machine, if processing 10min powder quality does not occur significant change when using vibrosieve, is considered as screening completely；Use gas flow sizing machine then according to concrete powder body setup parameter.
Further, in step (3), the organic modifiers used is the one in PMC, cyclodextrin, CMC or PVP or several.
Further, in step (3), the mixing speed of the batch mixer used controls at 1000 revs/min.
This beneficial effect of the invention is: the material in the present invention has granule exquisiteness, whiteness height, good fluidity, hardening time is short, solidification intensity is high advantage, simultaneously, abundant raw materials in the present invention is easy to get, process route is simple, material property has fineness and mobility requirement, the model manufacturing technique being especially suitable for including 3D printing technique concurrently.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is described, in order to be better understood from the present invention.
Embodiment
1
Taking 1 unit mass anhydrite powder body, addition ball mill, and add the ball-milling additive triethanolamine of 0.04 unit mass, start ball mill ball milling 2 hours, powder body dries 1 hour after taking out in an oven.Subsequently, by the sample after drying, being placed in vibrosieve and carry out classification, selected screen cloth is respectively 500 mesh, 800 mesh, 1000 mesh.Taking on 0.2 unit mass 800 mesh sieve, on 0.5 unit mass 1000 mesh sieve, the powder body under 0.3 unit mass 1000 mesh sieve carries out mixture, and mixture is carried out in common powder stirring machine, and mixing speed controls at 1000 revs/min.Stirring simultaneously, adds the cyclodextrin of 0.08 unit mass as organic modifiers, mixing time 2 hours.Take out drying can use.
Case study on implementation
2
Taking 1 unit mass anhydrite powder body, addition ball mill, and add the ball-milling additive Polyethylene Glycol of 0.06 unit mass, start ball mill ball milling 2 hours, powder body dries 1 hour after taking out in an oven.Subsequently, by the sample after drying, being placed in vibrosieve and carry out classification, selected screen cloth is respectively 500 mesh, 800 mesh, 1000 mesh.Taking on 0.3 unit mass 800 mesh sieve, on 0.3 unit mass 1000 mesh sieve, the powder body under 0.4 unit mass 1000 mesh sieve carries out mixture, and mixture is carried out in common powder stirring machine, and mixing speed controls at 1000 revs/min.Stirring simultaneously, adds the CMC of 0.06 unit mass as organic modifiers, mixing time 3 hours.Take out drying can use.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (7)
1. the modified fast material admittedly of inorganic organic complex, it is characterized in that: use the grain composition between each granularity of careful design, and combine suitable modifying agent, and prepare fineness height, good fluidity, modified powder that intensity is big, the preparation process of this material is as follows:
(1) ball milling: powder body ball milling pelletize, utilizes ball mill to carry out ball milling by raw material, adds ball-milling additive in mechanical milling process simultaneously, and drum's speed of rotation controls at 5000～10000 revs/min；
(2) classification: powder granule above-mentioned steps (1) obtained carries out classification after drying, and the powder granule that step (1) obtains utilizes gradation machine carry out staged care by 500 mesh, 800 mesh and 1000 mesh Three Estates；
(3) mixture: the 500～800 mesh powder granules that classification in step (2) is obtained: 800～1000 mesh powder granules: in mass ratio 2～3:3～5:2～5 ratio mixture below 1000 mesh powder granules, it is simultaneously introduced organic modifiers, stirring 2～3 hours in mixed powder machine, mixing obtains product of the present invention after drying.
The modified fast material admittedly of inorganic organic complex the most according to claim 1, it is characterised in that: in described step (1), the raw material of ball milling is one or several in anhydrite, a-semi-hydrated gypsum, b-semi-hydrated gypsum, calcium silicates or ceramic powder.
The modified fast material admittedly of inorganic organic complex the most according to claim 1, it is characterised in that: in described step (1), ball-milling additive is one or several in Polyethylene Glycol, triethanolamine, glycerol or methyl-silicone oil.
The modified fast material admittedly of inorganic organic complex the most according to claim 1, it is characterised in that: in described step (1), it is 3～8% that ball-milling additive accounts for raw material quality ratio, and Ball-milling Time is 2～3 hours.
The modified fast material admittedly of inorganic organic complex the most according to claim 1, it is characterized in that: in described step (2), the gradation machine used is vibrosieve or gas classification machine, if processing 10min powder quality does not occur significant change when using vibrosieve, is considered as screening completely；Use gas flow sizing machine then according to concrete powder body setup parameter.
The modified fast material admittedly of inorganic organic complex the most according to claim 1, it is characterised in that: in described step (3), the organic modifiers used is the one in PMC, cyclodextrin, CMC or PVP or several.
The modified fast material admittedly of inorganic organic complex the most according to claim 1, it is characterised in that: in described step (3), the mixing speed of the batch mixer used controls at 1000 revs/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288204.9A CN105924116A (en) | 2016-05-05 | 2016-05-05 | Inorganic and organic compound modified fast-curing material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610288204.9A CN105924116A (en) | 2016-05-05 | 2016-05-05 | Inorganic and organic compound modified fast-curing material |
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| CN105924116A true CN105924116A (en) | 2016-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034108A (en) * | 2017-12-08 | 2018-05-15 | 郑州搜趣信息技术有限公司 | It is a kind of suitable for ceramic material of 3D printing and preparation method thereof |
| CN111892408A (en) * | 2020-07-24 | 2020-11-06 | 山东工业陶瓷研究设计院有限公司 | Silicon nitride ceramic powder suitable for 3DP forming process and treatment method |
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|---|---|---|---|---|
| EP2233449A1 (en) * | 2009-03-27 | 2010-09-29 | Ivoclar Ag | Slip for the production of dental ceramics with hot melt inkjet printing methods |
| CN102093646A (en) * | 2010-10-29 | 2011-06-15 | 华南理工大学 | Material for rapid three dimensional printing forming and preparation method thereof |
| CN103936392A (en) * | 2014-03-13 | 2014-07-23 | 济南大学 | Preparation method of 3D printing inorganic powder molding material |
| CN104310948A (en) * | 2014-09-10 | 2015-01-28 | 济南大学 | Preparation method of three dimensional printing rapid forming inorganic powder material |
| CN105503147A (en) * | 2015-12-24 | 2016-04-20 | 成都新柯力化工科技有限公司 | Clay material for 3D printing and preparation method of clay material |
-
2016
- 2016-05-05 CN CN201610288204.9A patent/CN105924116A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2233449A1 (en) * | 2009-03-27 | 2010-09-29 | Ivoclar Ag | Slip for the production of dental ceramics with hot melt inkjet printing methods |
| CN102093646A (en) * | 2010-10-29 | 2011-06-15 | 华南理工大学 | Material for rapid three dimensional printing forming and preparation method thereof |
| CN103936392A (en) * | 2014-03-13 | 2014-07-23 | 济南大学 | Preparation method of 3D printing inorganic powder molding material |
| CN104310948A (en) * | 2014-09-10 | 2015-01-28 | 济南大学 | Preparation method of three dimensional printing rapid forming inorganic powder material |
| CN105503147A (en) * | 2015-12-24 | 2016-04-20 | 成都新柯力化工科技有限公司 | Clay material for 3D printing and preparation method of clay material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034108A (en) * | 2017-12-08 | 2018-05-15 | 郑州搜趣信息技术有限公司 | It is a kind of suitable for ceramic material of 3D printing and preparation method thereof |
| CN111892408A (en) * | 2020-07-24 | 2020-11-06 | 山东工业陶瓷研究设计院有限公司 | Silicon nitride ceramic powder suitable for 3DP forming process and treatment method |
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Application publication date: 20160907 |