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Nanometer hydroxyapatite powder and preparation method of photocuring additive manufacturing slurry thereof
The invention discloses nano-hydroxyapatite powder and a preparation method of photocuring additive manufacturing slurry of the nano-hydroxyapatite powder. The preparation method of the nano-hydroxyapatite powder comprises the following steps: dropwise adding a phosphorus source solution into a calcium source solution, heating to a reaction temperature in a pressure environment, and stirring at the same time; after dropwise adding, adjusting the pH value of the reaction liquid, continuously stirring, and carrying out constant-temperature reaction to obtain turbid liquid; the preparation method comprises the following steps: preparing a turbid liquid, obtaining a precipitate from the turbid liquid, freeze-drying the precipitate, annealing the freeze-dried product, and grinding the annealed product to obtain the nano-hydroxyapatite powder. According to the preparation method disclosed by the invention, the prepared nano-hydroxyapatite powder is high in purity and has the advantages of being low in specific surface area, low in surface energy and the like; when the material is used for preparing light-cured ceramic slurry, the slurry with higher solid content can be prepared under the condition that the viscosity is equivalent or even lower, and a foundation is laid for preparing a high-performance hydroxyapatite printed part.
本申请公开了一种纳米羟基磷灰石粉体及其光固化增材制造浆料的制备方法。本申请的纳米羟基磷灰石粉体制备方法包括，将磷源溶液滴加到钙源溶液中，在压力环境下，加热至反应温度，同时搅拌；滴加完成后，调节反应液的pH值，持续搅拌，恒温反应，获得悬浊液；从悬浊液中获取沉淀物，对沉淀物进行冷冻干燥，对冷冻干燥的产物进行退火处理，然后，对退火处理的产物进行研磨处理，即获得纳米羟基磷灰石粉体。本申请的制备方法，制备的纳米羟基磷灰石粉体纯度高，具有比表面积低、表面能低等优点；在用于制备光固化陶瓷浆料时，能在粘度相当甚至更低的情况下，制备出固含量更高的浆料，为制备高性能的羟基磷灰石打印制件奠定了基础。
Nanometer hydroxyapatite powder and preparation method of photocuring additive manufacturing slurry thereof
The invention discloses nano-hydroxyapatite powder and a preparation method of photocuring additive manufacturing slurry of the nano-hydroxyapatite powder. The preparation method of the nano-hydroxyapatite powder comprises the following steps: dropwise adding a phosphorus source solution into a calcium source solution, heating to a reaction temperature in a pressure environment, and stirring at the same time; after dropwise adding, adjusting the pH value of the reaction liquid, continuously stirring, and carrying out constant-temperature reaction to obtain turbid liquid; the preparation method comprises the following steps: preparing a turbid liquid, obtaining a precipitate from the turbid liquid, freeze-drying the precipitate, annealing the freeze-dried product, and grinding the annealed product to obtain the nano-hydroxyapatite powder. According to the preparation method disclosed by the invention, the prepared nano-hydroxyapatite powder is high in purity and has the advantages of being low in specific surface area, low in surface energy and the like; when the material is used for preparing light-cured ceramic slurry, the slurry with higher solid content can be prepared under the condition that the viscosity is equivalent or even lower, and a foundation is laid for preparing a high-performance hydroxyapatite printed part.
本申请公开了一种纳米羟基磷灰石粉体及其光固化增材制造浆料的制备方法。本申请的纳米羟基磷灰石粉体制备方法包括，将磷源溶液滴加到钙源溶液中，在压力环境下，加热至反应温度，同时搅拌；滴加完成后，调节反应液的pH值，持续搅拌，恒温反应，获得悬浊液；从悬浊液中获取沉淀物，对沉淀物进行冷冻干燥，对冷冻干燥的产物进行退火处理，然后，对退火处理的产物进行研磨处理，即获得纳米羟基磷灰石粉体。本申请的制备方法，制备的纳米羟基磷灰石粉体纯度高，具有比表面积低、表面能低等优点；在用于制备光固化陶瓷浆料时，能在粘度相当甚至更低的情况下，制备出固含量更高的浆料，为制备高性能的羟基磷灰石打印制件奠定了基础。
Nanometer hydroxyapatite powder and preparation method of photocuring additive manufacturing slurry thereof
一种纳米羟基磷灰石粉体及其光固化增材制造浆料的制备方法
BAI JIAMING (author) / LIANG HAOWEN (author)
2024-01-09
Patent
Electronic Resource
Chinese
IPC:
C01B
NON-METALLIC ELEMENTS
,
Nichtmetallische Elemente
/
B33Y
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
/
C04B
Kalk
,
LIME
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