A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
APATITE CERAMIC AND METHOD FOR PRODUCING THE SAME
PROBLEM TO BE SOLVED: To provide an apatite ceramic which prevents an increase in the size of a grain aggregate of metallic silver even when fired and is excellent in homogeneous antifungal properties and durability, and to provide a method for producing the same.SOLUTION: There are provided an apatite ceramic and a method for producing the same which includes: a step of adding ethanol to a mixture of powder of carbonic acid-containing apatite hydroxide containing a carbonate group in crystal and silver oxide and kneading the mixture to prepare a slurry-like apatite composition; a step of evaporating and removing the ethanol from the slurry-like apatite composition to obtain a powdery apatite composition; a step of placing the powdery apatite composition into a mold vessel, pressurizing the composition to prepare an apatite composition body having a predetermined shape; and a step of heating and firing the apatite composite body to a setting temperature in a range of 900-1,200°C to obtain apatite ceramic which precipitates silver dissolved as a solid solution once in ceramic as particulate metallic silver.SELECTED DRAWING: Figure 5
【課題】焼成を行っても金属銀の粒塊が大形化することのない、均質な抗菌性と耐久性に優れるアパタイトセラミックスおよびその製造方法を提供する。【解決手段】本発明のアパタイトセラミックスおよびその製造方法は、結晶中に炭酸基を含有する炭酸含有水酸アパタイトの粉末と酸化銀との混合物に、エタノールを加えて混錬し、スラリー状のアパタイト組成物を作製する工程と、前記スラリー状のアパタイト組成物から前記エタノールを蒸発させて取り除き、粉末状のアパタイト組成物を得る工程と、前記粉末状のアパタイト組成物を金型容器に入れて加圧し、所定形状のアパタイト組成物体を作製する工程と、前記アパタイト組成物体を、９００〜１２００℃の範囲内の設定温度まで加熱して焼成し、セラミックス中に一旦固溶した銀が粒子状の金属銀として析出するアパタイトセラミックスを得る工程と、を備える。【選択図】図５
APATITE CERAMIC AND METHOD FOR PRODUCING THE SAME
PROBLEM TO BE SOLVED: To provide an apatite ceramic which prevents an increase in the size of a grain aggregate of metallic silver even when fired and is excellent in homogeneous antifungal properties and durability, and to provide a method for producing the same.SOLUTION: There are provided an apatite ceramic and a method for producing the same which includes: a step of adding ethanol to a mixture of powder of carbonic acid-containing apatite hydroxide containing a carbonate group in crystal and silver oxide and kneading the mixture to prepare a slurry-like apatite composition; a step of evaporating and removing the ethanol from the slurry-like apatite composition to obtain a powdery apatite composition; a step of placing the powdery apatite composition into a mold vessel, pressurizing the composition to prepare an apatite composition body having a predetermined shape; and a step of heating and firing the apatite composite body to a setting temperature in a range of 900-1,200°C to obtain apatite ceramic which precipitates silver dissolved as a solid solution once in ceramic as particulate metallic silver.SELECTED DRAWING: Figure 5
【課題】焼成を行っても金属銀の粒塊が大形化することのない、均質な抗菌性と耐久性に優れるアパタイトセラミックスおよびその製造方法を提供する。【解決手段】本発明のアパタイトセラミックスおよびその製造方法は、結晶中に炭酸基を含有する炭酸含有水酸アパタイトの粉末と酸化銀との混合物に、エタノールを加えて混錬し、スラリー状のアパタイト組成物を作製する工程と、前記スラリー状のアパタイト組成物から前記エタノールを蒸発させて取り除き、粉末状のアパタイト組成物を得る工程と、前記粉末状のアパタイト組成物を金型容器に入れて加圧し、所定形状のアパタイト組成物体を作製する工程と、前記アパタイト組成物体を、９００〜１２００℃の範囲内の設定温度まで加熱して焼成し、セラミックス中に一旦固溶した銀が粒子状の金属銀として析出するアパタイトセラミックスを得る工程と、を備える。【選択図】図５
APATITE CERAMIC AND METHOD FOR PRODUCING THE SAME
アパタイトセラミックスおよびその製造方法
MURAKAMI TAKAYUKI (author) / NAKAHIRA ATSUSHI (author)
2018-02-01
Patent
Electronic Resource
Japanese
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