Tinct adjustable stomatic bioactive divitrified glass and its prepn
Title：
Tinct adjustable stomatic bioactive divitrified glass and its prepn
Application Number：
 01144512
Application Date：
 2001/12/18
Announcement Date：
 2002/05/22
Pub. Date：
 2004/09/29
Publication Number：
 1349944
Announcement Number：
 1168684
Grant Date：
 2004-9-29
Granted Pub. Date：
 2004-9-29
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 A61C 13/083, C03B 32/02, C03C 10/04, C03C 10/08, C03C 10/10
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Liang Kaiming, Yu Bing, Hu Anmin
Key Words：
 Tinct adjustable, stomatic bioactive, divitrified glass, preparation
Abstract：
 The invention relates to an oral cavity bio-active nucleated glass with adjustable colour and its rpeparation method. Its preparation method includes the following steps: firstly, uniformly mixing raw materials according to a certain mixing ratio, melting for 3 hr. at 1400-1550 deg.C, pouring the molten glass inti mould and forming to obtain blank, cooling to room temp., heating glass blank and heat-insulating to make glass nucleate, continuously heating and heat-insulating to make glass crystallize to obtain the bio-active nucteated glass using apatite and fluorophlogopite as main crystal phase. Said nucleated glass uses TiO2/ZrO2 as crystal nucleus agent, and contains a certain crystal phase formed from leucite and calc-silicate stone to raise its strength, and said product possesses good bio-compatibility, machinability and beautifulness.
Claim：
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PCT：
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