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The calcium phosphate block for processing by CAD/CAM and thereof manufacturing method
专利权人:
(주)유경덴탈워크
发明人:
유경,유병선,김복희,이용
申请号:
KR1020120058438
公开号:
KR1013442530000B1
申请日:
2012.05.31
申请国别(地区):
KR
年份:
2013
代理人:
摘要:
The present invention relates to a calcium phosphate block for cad / cam processing and a method for manufacturing the same, including calcium carbonate (CaCO 3 ) 18 to 25 wt%, aluminum hydroxide (Al (OH) 3 ) 7 to 15 wt% %, Phosphoric acid (H 3 PO 4 ) 50 to 70% by weight, Sodium carbonate (Na 2 CO 3 ) 2 to 10% by weight, Potassium carbonate (K 2 CO 3 ) 2 to 10% by weight , Silicon dioxide and zirconium oxide (Silicon dioxide, Zirconium dioxide, SiO 2 ZrO 2 ) 0.5 to 10% by weight quantifying the amount of each composition, and each quantified through the quantification step (S10) Mixing step (S20) and mixing the composition for 1 to 2 hours while stirring the composition at a speed of 400 ~ 700rpm, and drying while heating the mixed powder mixed through the mixing step (S20) in a temperature controlled vacuum dryer below 100 ℃ Drying step (S30), the mixed powder dried through the drying step (S30) temperature control to 1400 ℃ Melting step (S40) for melting for 1 hour in the electric furnace, the quenching step (S50) to quench (Quenching) by pouring the melt generated through the melting step (S40) to distilled water, and through the quenching step (S50) Mixing the pigment so that the cooled product is pulverized by the grinding mill (Attrition mill) to have a uniform particle size, and the color to express the color in the pulverized product after the grinding step (S60) and Into the ball mill (Ball mill) and mixing for 24 hours, the pigment mixing step (S70), and the mixture of the color is expressed through the pigment mixing step (S70) into a molding die through a cold Isostatic Press (CIP) Forming step (S80) and evenly formed by applying a pressure, heat treatment step (S90) for crystallizing the molded article formed through the forming step (S80) for 5 to 10 hours in an electric furnace temperature controlled to 500 ℃ ~ 700 ℃, Heat treatment through the heat treatment step (S90) Block step (S100) of manufacturing the processed product in the form of a block, a
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