CN114516720A - Bioactive glass and method for manufacturing bioactive glass three-dimensional product - Google Patents

Bioactive glass and method for manufacturing bioactive glass three-dimensional product Download PDF

Info

Publication number
CN114516720A
CN114516720A CN202011295270.1A CN202011295270A CN114516720A CN 114516720 A CN114516720 A CN 114516720A CN 202011295270 A CN202011295270 A CN 202011295270A CN 114516720 A CN114516720 A CN 114516720A
Authority
CN
China
Prior art keywords
bioactive glass
oxide
dimensional
laser
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011295270.1A
Other languages
Chinese (zh)
Inventor
黄建元
邱冠语
王跃钧
陈俊铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metal Industries Research and Development Centre
Original Assignee
Metal Industries Research and Development Centre
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Metal Industries Research and Development Centre filed Critical Metal Industries Research and Development Centre
Priority to CN202011295270.1A priority Critical patent/CN114516720A/en
Publication of CN114516720A publication Critical patent/CN114516720A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00Compositions for glass with special properties
    • C03C4/0007Compositions for glass with special properties for biologically-compatible glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y70/00Materials specially adapted for additive manufacturing
    • B33Y70/10Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00Other methods of shaping glass
    • C03B19/06Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/062Glass compositions containing silica with less than 40% silica by weight
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00Compositions for glass with special properties
    • C03C4/0007Compositions for glass with special properties for biologically-compatible glass
    • C03C4/0021Compositions for glass with special properties for biologically-compatible glass for dental use
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Composite Materials (AREA)
  • Structural Engineering (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dispersion Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

The invention provides bioactive glass, which is used for solving the problem that a large amount of adhesive needs to be mixed in the existing bioactive glass. The bioactive glass comprises: 60-80% by weight of a substrate, 10-30% by weight of a binder and 1-10% by weight of a non-ferrous metal oxide, the non-ferrous metal oxide comprising a metal element, and the metal element may be a transition metal element selected from the group consisting of one or more of vanadium, chromium, iron, cobalt, nickel and copper. The invention further relates to a method for manufacturing a bioactive glass three-dimensional product by using the bioactive glass.

Description

Bioactive glass and method for manufacturing bioactive glass three-dimensional product
Technical Field
The present invention relates to a bioactive glass, in particular a bioactive glass for selective laser sintering, and further relates to a method for manufacturing a bioactive glass three-dimensional product by using the bioactive glass.
Background
Bioactive glass (BAG) is a biocompatible material that can be dissolved in an aqueous medium and is capable of dissolving in an aqueous mediumCan be connected with bone tissue and soft tissue, and is widely applied to the manufacture of dental fillers (dental filling materials) and bone implants (bone implants). The composition of the existing bioactive glass comprises silicon dioxide (SiO)2) Sodium oxide (Na)2O), calcium oxide (CaO) and phosphorus pentoxide (P)2O5) For example, 45S5 bioactive glass comprises, in weight percent, 45% silica, 24.5% sodium oxide, 24.5% calcium oxide, and 6% phosphorus pentoxide, wherein the molar ratio of calcium to phosphorus (molar ratio) is 5: 1.
three-dimensional printing (3D printing), also called Additive Manufacturing (AM), refers to a processing technique of melting material powder by using different energy sources under computer control, and stacking the material powder layer by layer after melting and curing to form a printed product. In the Selective Laser Sintering (SLS) method developed in recent years, laser sintering material powder is used, and after a low-melting-point binder added to the material powder is heated and melted, the material powder is bonded with high-melting-point powder such as ceramic or metal, and the high-melting-point powder and the ceramic or metal are sequentially stacked layer by layer until the printing operation of a three-dimensional object is completed, so that the method has the advantages of wide applicable materials, high molding efficiency, high material utilization rate and the like; however, when bioactive glass is used as the material powder in the selective laser sintering method, it is often necessary to add a large amount of binder due to its high melting point, for example, stearic acid (stearic acid), polyvinyl alcohol (PVA), Polycaprolactone (PCL), polylactic-co-glycolic acid (PLGA), etc. are used to assist the formation of the product, and the addition amount of the additive even needs to be more than 50%, which not only greatly affects the biocompatibility of the formed three-dimensional object, after forming into a three-dimensional object, degreasing and sintering (sintering) at high temperature is additionally required, holes may be formed on the surface of the formed three-dimensional object, resulting in insufficient structural strength (structural strength) of the formed three-dimensional object, in other words, the existing bioactive glass is not suitable for the material powder used as the selective laser sintering method.
In view of the above, there is a need for a novel bioactive glass and a method for producing a three-dimensional bioactive glass product using the bioactive glass.
Disclosure of Invention
In order to solve the above problems, the present invention provides a bioactive glass suitable for being formed into a bioactive glass three-dimensional product with a predetermined shape by a selective laser sintering method.
Another object of the present invention is to provide a selective laser sintering method, which uses the bioactive glass to form a three-dimensional bioactive glass product with a predetermined shape.
The bioactive glass of the present invention may comprise: 60-80% of a matrix, 10-30% of a binder and 1-10% of a non-ferrous metal oxide by weight percentage, wherein the non-ferrous metal oxide contains a metal element.
Therefore, the bioactive glass can greatly improve the absorption efficiency of the bioactive glass to laser energy by adding the nonferrous metal oxide, so that the dosage of the adhesive is reduced to 10-30%, and therefore, when the bioactive glass is used as material powder of a selective laser sintering method, holes on a formed bioactive glass three-dimensional product after degreasing and sintering can be effectively reduced, the structural strength of the formed bioactive glass three-dimensional product is improved, and the effect of the bioactive glass three-dimensional product is achieved.
The bioactive glass of the present invention, wherein the metal element may be a transition metal element; for example, the transition metal element may be selected from the group consisting of one or more of vanadium, chromium, iron, cobalt, nickel, and copper.
The bioactive glass of the present invention wherein the substrate may comprise a silicon oxide, a sodium oxide, a calcium oxide and a phosphorus oxide; for example, the matrix comprises 35-40% by weight of silicon dioxide, 5-10% by weight of sodium oxide, 39-43% by weight of calcium oxide and 10-15% by weight of phosphorus pentoxide.
The method for manufacturing the bioactive glass three-dimensional product can comprise the following steps: providing a bioactive glass as described above; performing laser sintering on the bioactive glass by using a laser with a wavelength of 400-1200 nm to form a rough blank; and carrying out heat treatment on the rough blank to remove the binder in the rough blank so as to obtain a bioactive glass three-dimensional product.
Therefore, according to the manufacturing method of the bioactive glass three-dimensional product, the bioactive glass is used as the material powder, the radiation energy released by the laser with the wavelength between 400 nm and 1200nm can be effectively absorbed by the bioactive glass, the adhesion forming effect of the bioactive glass is improved, the generation of holes after high-temperature degreasing and sintering is reduced, and the bioactive glass three-dimensional product formed by the bioactive glass has good biocompatibility and good structural strength, so that the effect of the invention is achieved.
The method for manufacturing the bioactive glass three-dimensional product can carry out the heat treatment on the rough blank at 1050-1150 ℃ for 1-3 hours.
The method for producing a three-dimensional bioactive glass product of the present invention can be used in an amount of 1 to 3cal/cm2The laser sintering is performed at the radiation energy density.
The invention relates to a method for manufacturing a three-dimensional bioactive glass product, wherein a laser for performing laser sintering on the bioactive glass is a neodymium-doped yttrium aluminum garnet laser.
Drawings
FIG. 1 is a flow chart of a method of making a three-dimensional article of bioactive glass according to one embodiment of the present invention;
FIG. 2 shows the analysis results of the test pieces subjected to laser sintering at different powers and different radiation energy densities in test (A);
FIG. 3 is a bar graph showing the compressive strength of the bioactive glass three-dimensional articles of groups B1-B3 in test (B);
FIG. 4a scanning electron microscope analysis of a three-dimensional article of bioactive glass from group B1 in test (B);
FIG. 4B scanning electron microscopy analysis of a three-dimensional article of bioactive glass from group B2 in test (B);
FIG. 4c scanning electron microscopy analysis of a three-dimensional article of bioactive glass from group B3 of trial (B);
FIG. 5 is a bar graph of the cell viability assay of the three-dimensional articles of bioactive glass from groups C0 to C5 in assay (C);
FIG. 6 is a bar graph of the cell viability assay of the three-dimensional articles of bioactive glass from groups D0-D5 in assay (D).
Description of the reference numerals
[ invention ] to provide
S1 Material providing step
S2 laser sintering step
S3, heat treatment step.
Detailed Description
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below:
the bioactive glass of an embodiment of the present invention may include a matrix (substrate), a binder (binder) and a colored metal oxide (colored metal oxide) in specific proportions, which may be used as material powder for a selective laser sintering method, and sequentially pass through a material providing step S1, a laser sintering step S2 and a heat treatment step S3 to obtain a bioactive glass three-dimensional article having a predetermined shape.
In detail, in the sample providing step S1, the bioactive glass may include a matrix in an amount of 60 to 80% by weight, for example, the matrix may include an oxide type of silicon (silicon, Si), sodium (Na), calcium (Ca), and phosphorus (P), for example, the silicon oxide containing silicon may be silicon dioxide (SiO )2) And silicon monoxide (SiO), and sodium oxide (sodium oxide, N)a2O), etc., the calcium oxide containing calcium element may be calcium oxide (CaO), etc., and the phosphorus oxide containing phosphorus element may be phosphorus (V) oxide, P2O5) Phosphorus (III) oxide, P2O3) And phosphorus monoxide (PO), which will be understood by those skilled in the art and will not be described herein. In this embodiment, the matrix may include 35-40% by weight of silica, 5-10% by weight of sodium oxide, 39-43% by weight of calcium oxide, and 10-15% by weight of phosphorus pentoxide.
The bioactive glass may further include 10-30 wt% of a binder, which may be any binder suitable for the selective laser sintering method, for example, stearic acid (stearic acid), polyvinyl alcohol (PVA), Polycaprolactone (PCL), poly (lactic-co-glycolic acid) (PLGA), etc., without limitation.
The bioactive glass also comprises 1-10 wt% of non-ferrous metal oxide, and the non-ferrous metal oxide can be identified as non-transparent and non-white colors (namely, various colors except white) by naked eyes under natural light (native light) irradiation, so that the transmittance of light sources with different wavelengths can be reduced, and the absorption efficiency of the material to the light sources can be improved.
The non-ferrous metal oxide contains a metal element, which may be a transition metal element containing a transition metal element, such as vanadium (V), chromium (Cr), iron (iron, Fe), cobalt (Co), nickel (Ni), and copper (copper) belonging to the fourth period (period 4). For example, the vanadium oxide includes vanadium (II) oxide, VO, vanadium (III) oxide, V2O3) Vanadium (iv) oxide, VO2) And vanadium (V) oxide, V2O5) Etc. chromium oxide packageContaining chromium (II) oxide, CrO, chromium (III) oxide, Cr2O3) Chromium (IV) oxide, CrO2) Chromium (vi) oxide, CrO3) And chromium (VI) oxide peroxides, the iron oxides including iron (iron) (II) oxide, FeO, and iron (iron) (III) oxide, Fe2O3) The cobalt oxides include cobalt (II) oxide, CoO and cobalt (III) oxide, Co2O3) The nickel oxide includes nickel (II) oxide, NiO and nickel (III) oxide, Ni2O3) Etc., the copper oxide comprises copper (I) oxide, Cu2O), copper (ii) oxide (CuO), copper peroxide (CuO)2) And copper (III) oxide (Cu)2O3) And the like. In this embodiment, the worker can also mix oxides of a plurality of transition metal elements as the non-ferrous metal oxide.
Then, in the laser sintering step S2, the worker can use a laser with a wavelength of 400-1200 nm, preferably, the worker can use a laser with a wavelength of 1000-1200 nm to perform laser sintering on the bioactive glass, so that the bioactive glass is melted by the radiation energy (laser) of the laser to form a blank (blank). In this embodiment, the laser may be a neodymium-doped yttrium aluminum garnet laser (Yd: YAG laser), which has a general operating wavelength of about 1064nm and can convert the laser wavelength to a visible light region through a nonlinear crystal, so that the laser can be effectively absorbed by the non-ferrous metal oxide in the bioactive glass, thereby increasing the forming rate of the bioactive glass.
Also, the laser may have a radiation energy density (radiation energy density) which may be in a range of 1 to 3cal/cm2When the radiation energy density is too low, the radiation energy generated by the laser is not enough to make the bioactive glass becomeThe shaped raw blank is burnt (out) when the radiant energy density is too high.
After the bioactive glass is formed into the blank, the heat treatment step S3 is performed to perform a heat treatment on the blank at a high temperature to remove the binder in the blank, so as to obtain a bioactive glass three-dimensional product made of the bioactive glass, wherein the bioactive glass three-dimensional product has good structural strength because of the reduced amount of the binder without residual excess holes. In the present embodiment, the heat treatment is performed on the blank at 1050-1150 ℃ for 1-3 hours, and the duration of the heat treatment can be selected according to the size of the blank, so as to remove the excess binder. In this case, the bioactive glass three-dimensional product may include 1 to 10% by weight of a colored metal oxide, and may further include 35 to 40% by weight of silica, 5 to 10% by weight of sodium oxide, 39 to 43% by weight of calcium oxide, and 10 to 15% by weight of phosphorus pentoxide.
To prove that the bioactive glass can be formed into the bioactive glass three-dimensional product by the selective laser sintering method, and the bioactive glass three-dimensional product has good biocompatibility and structural strength, the following tests are carried out:
(A) adjustment of laser parameters
This test is carried out with a composition comprising 5% by weight of iron oxide (Fe)2O3) Is tested at 1, 1.5, 2, 2.5 or 3cal/cm, respectively2The laser sintering is performed with power of 3, 4, 5W, and the result is shown in FIG. 2. although the change of power has no obvious influence on the laser sintering result, the forming effect is improved with the increase of the radiation energy density, wherein the radiation energy density is 2.5cal/cm2The effect of (2) is good.
(B) Effect of Heat treatment temperature on structural Strength
The test is also carried out so as to contain 5% by weight of iron oxide (Fe)2O3) The bioactive glass of (1) was tested, after the formation of the crude blank, the crude blank was heat-treated at 1050 ℃ (group B1), 1100 ℃ (group B2), 1150 ℃ (group B3) for 1 hour, and then the compressive strength (compressive strength) of the bioactive glass three-dimensional product finally obtained was tested, and as a result, as shown in fig. 3, the compressive strength of the bioactive glass three-dimensional product obtained by heat-treating at 1100 ℃ was the best, and the compressive strength of the bioactive glass three-dimensional product obtained by heat-treating at 1050 ℃ was the worst, only about 10MPa, but still satisfied the compressive strength (4-12 MPa) of human cancellous bone.
In addition, as shown in fig. 4a to 4c, the bioactive glass three-dimensional products of group B1 have more pores, and the bioactive glass three-dimensional products of group B3 have larger crystal grains (crystal grains), respectively, as a result of analyzing the bioactive glass three-dimensional products of groups B1 to B3 by Scanning Electron Microscope (SEM).
(C) Effect of three-dimensional articles of bioactive glass containing iron on cell viability
The test is also carried out so as to contain 5% by weight of iron oxide (Fe)2O3) After the crude embryo is formed, the crude embryo is respectively treated with heat for 1 hour at the temperature of 1050 ℃ (group C3), 1100 ℃ (group C4) and 1150 ℃ (group C5) so as to obtain bioactive glass three-dimensional products of groups C3-C5; in addition, a bioactive glass three-dimensional product made of Zinc Dithiocarbamate (ZDEC) and High Density Polyethylene (HDPE) is used as a positive and negative control group, Zinc dithiocarbamate is a material known to be cytotoxic to cells, and high density polyethylene is a material known to be non-cytotoxic to cells, the bioactive glass three-dimensional product of groups C1-C5 is immersed in a cell culture solution, and after a reaction in a 37 ℃ water bath for 72 hours, the cells are cultured for 24 hours with the cell culture solution, and finally, an MTT test (3- (4, 5-dimethylthiozol-2-yl) -2,5-diphenyltetrazolium bromide, MTay)To test the cell viability of each group of cells; the C0 group cells were also used as a comparison, without any bioactive glass three-dimensional preparations added.
Referring to fig. 5, the bioactive glass three-dimensional products of groups C4 and C5 obtained by heat-treating the crude embryo at 1100-1150 ℃ do not affect the survival of cells, indicating that the bioactive glass three-dimensional products should have good biocompatibility.
(D) Influence of iron content
The test is carried out with iron oxide (Fe) in a proportion of 1%, 5% or 10% by weight2O3) The bioactive glass of (1) was tested, and color change, integrity (integrity), and structural strength of the resulting three-dimensional product of the bioactive glass were observed as evaluation criteria, and the results are shown in table 1.
TABLE 1 evaluation chart of three-dimensional bioactive glass products of each group in the test
Figure BDA0002785087590000091
1: 0 score means no or burnt (burn out); score 1 indicates slightly; score 2 indicates light; score 3 indicates medium; score 4 indicates severity.
2: 0 to 5 points of no moldability; 6 to 9 points represent weak formability; and (3) a sufficient moldability of 10 to 15 points.
As shown in Table 1, the three-dimensional bioactive glass products of group D3, in which the amount of iron oxide added was 5%, were excellent in moldability.
(E) Influence of copper content
The test was conducted using a bioactive glass containing 0.5%, 1% or 2% by weight of copper oxide (CuO), and the resulting bioactive glass three-dimensional article was observed for color change, integrity, structural strength as evaluation criteria, and the results are shown in table 2.
TABLE 2 evaluation chart of bioactive glass three-dimensional products of each group in the test
Figure BDA0002785087590000092
Figure BDA0002785087590000101
1: 0 score means no or burnt (burn out); score 1 indicates slightly; score 2 indicates light; score 3 indicates medium; score 4 indicates severity.
2: 0 to 5 points of no moldability; 6 to 9 points represent weak formability; and (3) a sufficient moldability of 10 to 15 points.
As shown in Table 2, the formability of the bioactive glass three-dimensional product of groups E3 and E4 was preferably such that the amount of copper oxide added was 1-2%.
(F) Effect of three-dimensional articles of copper-containing bioactive glass on cell viability
The test was also carried out with a bioactive glass comprising, in weight percent, 0.5% (group F3), 1% (group F4) or 2% (group F5) copper oxide (CuO), after forming the raw blank, the raw blank was heat-treated at 1050 ℃ for 1 hour to obtain bioactive glass three-dimensional articles of groups F3 to F5; in addition, a bioactive glass three-dimensional product made of Zinc dithiocarbamate (ZDEC for short) and High Density Polyethylene (HDPE) is used as a positive control group and a negative control group, Zinc dithiocarbamate is a material known to have cytotoxicity to cells, and high density polyvinyl chloride is a material known to have no cytotoxicity to cells, the bioactive glass three-dimensional product of groups F1-F5 is soaked in a cell culture solution, reacts in a water bath at 37 ℃ for 72 hours, then the cells are cultured for 24 hours by the cell culture solution, and finally, an MTT test is carried out to test the cell survival rate of each group of cells; in addition, the cells of group F0, to which no three-dimensional preparation of bioactive glass had been added, were used as a comparison.
Referring to fig. 6, the bioactive glass three-dimensional product of groups F3 and F4 containing 0.5-1 wt% of copper oxide does not affect the survival of cells, indicating that the bioactive glass three-dimensional product should have good biocompatibility.
In summary, the amount of the binder is reduced to 10-30% by adding the non-ferrous metal oxide, so that when the bioactive glass is used as the material powder for the selective laser sintering method, the pores on the formed bioactive glass three-dimensional product after degreasing and sintering can be reduced, the structural strength of the formed bioactive glass three-dimensional product is improved, and the bioactive glass has the effects of the invention.
Furthermore, according to the manufacturing method of the bioactive glass three-dimensional product, the bioactive glass is used as the material powder, the radiation energy released by the laser with the wavelength between 400 nm and 1200nm can be effectively absorbed by the bioactive glass, the adhesion forming effect of the bioactive glass is improved, the generation of holes after high-temperature degreasing and sintering is reduced, and the bioactive glass three-dimensional product formed by the bioactive glass has good biocompatibility and good structural strength, so that the effect of the invention is achieved.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes and modifications can be made without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. A bioactive glass, comprising: 60-80% of a substrate, 10-30% of a binder and 1-10% of a non-ferrous metal oxide by weight percentage, wherein the non-ferrous metal oxide contains a metal element.
2. The bioactive glass of claim 1 wherein the metallic element is a transition metal element.
3. The bioactive glass of claim 2 wherein the transition metal element is selected from the group consisting of one or more of vanadium, chromium, iron, cobalt, nickel and copper.
4. The bioactive glass of any of claims 1 to 3 wherein the substrate comprises a silicon oxide, a sodium oxide, a calcium oxide and a phosphorus oxide.
5. The bioactive glass of claim 4 wherein the matrix comprises, by weight, 35-40% silica, 5-10% sodium oxide, 39-43% calcium oxide and 10-15% phosphorus pentoxide.
6. A method of making a three-dimensional article of bioactive glass comprising:
providing a bioactive glass as claimed in any of claims 1 to 5;
performing laser sintering on the bioactive glass by using a laser with a wavelength of 400-1200 nm to form a rough blank; and
and carrying out heat treatment on the rough blank, and removing the binder in the rough blank to obtain a bioactive glass three-dimensional product.
7. The method of claim 6, wherein the heat treatment is performed on the blank at 1050-1150 ℃ for 1-3 hours.
8. The method for producing a three-dimensional bioactive glass product according to claim 6, wherein the amount of the bioactive glass is 1 to 3cal/cm2The laser sintering is performed at the radiation energy density.
9. The method of claim 6, wherein the laser used to laser sinter the bioactive glass is a neodymium-doped yttrium aluminum garnet laser.
CN202011295270.1A 2020-11-18 2020-11-18 Bioactive glass and method for manufacturing bioactive glass three-dimensional product Pending CN114516720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011295270.1A CN114516720A (en) 2020-11-18 2020-11-18 Bioactive glass and method for manufacturing bioactive glass three-dimensional product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011295270.1A CN114516720A (en) 2020-11-18 2020-11-18 Bioactive glass and method for manufacturing bioactive glass three-dimensional product

Publications (1)

Publication Number Publication Date
CN114516720A true CN114516720A (en) 2022-05-20

Family

ID=81595337

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011295270.1A Pending CN114516720A (en) 2020-11-18 2020-11-18 Bioactive glass and method for manufacturing bioactive glass three-dimensional product

Country Status (1)

Country Link
CN (1) CN114516720A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000007349A (en) * 1998-06-18 2000-01-11 Asahi Glass Co Ltd Synthetic silica glass optical member and its production
CN1562834A (en) * 2004-03-26 2005-01-12 中国科学院上海硅酸盐研究所 Degradable porous glass rack having bioactivity and preparation method
CN101108769A (en) * 2006-07-19 2008-01-23 联合大学 Method for improving fluorescent strength of oxide compound glass
US20100133242A1 (en) * 2007-05-07 2010-06-03 Chemische Fabrik Budenheim Kg Laser pigments for ceramics
WO2010071176A1 (en) * 2008-12-19 2010-06-24 旭硝子株式会社 Glass member with seal-bonding material layer and method for producing same, and electronic device and method for manufacturing same
US20100304513A1 (en) * 2009-05-28 2010-12-02 Kelvin Nguyen Method for forming an organic light emitting diode device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000007349A (en) * 1998-06-18 2000-01-11 Asahi Glass Co Ltd Synthetic silica glass optical member and its production
CN1562834A (en) * 2004-03-26 2005-01-12 中国科学院上海硅酸盐研究所 Degradable porous glass rack having bioactivity and preparation method
CN101108769A (en) * 2006-07-19 2008-01-23 联合大学 Method for improving fluorescent strength of oxide compound glass
US20100133242A1 (en) * 2007-05-07 2010-06-03 Chemische Fabrik Budenheim Kg Laser pigments for ceramics
WO2010071176A1 (en) * 2008-12-19 2010-06-24 旭硝子株式会社 Glass member with seal-bonding material layer and method for producing same, and electronic device and method for manufacturing same
US20100304513A1 (en) * 2009-05-28 2010-12-02 Kelvin Nguyen Method for forming an organic light emitting diode device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KRISHNA C.R. KOLAN 等: "Effect of materrial, process parameters, and simulated body fluids on mechanical properties of 13-93 bioactive glass porous constructs made by selective laser sintering", 《SCIVERSE SCIENCEDIRECT》, pages 14 - 23 *

Similar Documents

Publication Publication Date Title
Shuai et al. Fabrication of porous polyvinyl alcohol scaffold for bone tissue engineering via selective laser sintering
Bellucci et al. Macroporous Bioglass®-derived scaffolds for bone tissue regeneration
Pirayesh et al. Sol–gel synthesis of bioactive glass‐ceramic 45S5 and its in vitro dissolution and mineralization behavior
Chang et al. 3D printing bioceramic porous scaffolds with good mechanical property and cell affinity
Bellucci et al. Potassium based bioactive glass for bone tissue engineering
JP2013501701A5 (en)
Daskalova et al. Effect of surface modification by femtosecond laser on zirconia based ceramics for screening of cell-surface interaction
CN108504922B (en) Biodegradable iron-zinc alloy and preparation method thereof
Li et al. Effect of the partial substitution of K2O, MgO, B2O3 for CaO on crystallization, structure and properties of Na2O–CaO–SiO2–P2O5 system glass-ceramics
CN109052970B (en) Method for preparing functional glass ceramics by directly sintering asbestos tailings
Mantsos et al. Non-crystalline composite tissue engineering scaffolds using boron-containing bioactive glass and poly (D, L-lactic acid) coatings
CN105256160A (en) 3D printing method for ceramic-based nickel alloy composite material
CN114516720A (en) Bioactive glass and method for manufacturing bioactive glass three-dimensional product
Li et al. Effect of sodium oxide and magnesia on structure, in vitro bioactivity and degradability of wollastonite
JP2010280797A (en) Method for manufacturing phosphor-dispersed glass
TWI767400B (en) Bioactive glass and method for manufacturing 3-d product made of the same
Sarkar et al. Synthesis of bioactive glass by microwave energy irradiation and its in-vitro biocompatibility
Liu et al. Effects of raw material ratio and post-treatment on properties of soda lime glass-ceramics fabricated by selective laser sintering
JP2017071532A (en) Glass powder for three-dimensional molding
Somers et al. Mg2+, Sr2+, Ag+, and Cu2+ co‐doped β‐tricalcium phosphate: Improved thermal stability and mechanical and biological properties
TW201615597A (en) Ceramic powder and method for manufacturing the same and laser sinter molding
Kadhim et al. Investigation the bioactivity of cordierite/hydroxyapatite ceramic material used in bone regeneration
Lett et al. Exploring the binding effect of a seaweed-based gum in the fabrication of hydroxyapatite scaffolds for biomedical applications
TWI380832B (en) Porous bio-material and method of preparation thereof
TW201219343A (en) Method of fabricating article of metal-ceramic composite with gradient composition

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination