| 发明名称 |
SILICO-SODO-CALCIC GLASS COMPOSITION FOR THE PRODUCTION OF SUBSTRATES |
| 摘要 |
The present invention relates to a glass composition intended for the manufacture of thermally stable substrates or plates that comprises the constituents given below, in the following proportions by weight: <tables id="TABLE-US-00001" num="00001"> <table frame="none" colsep="0" rowsep="0"> <tgroup align="left" colsep="0" rowsep="0" cols="3"> <colspec colname="offset" colwidth="56pt" align="left"/> <colspec colname="1" colwidth="28pt" align="left"/> <colspec colname="2" colwidth="133pt" align="center"/> <THEAD> <ROW> <ENTRY/> <entry namest="offset" nameend="2" align="center" rowsep="1"/> </ROW> </THEAD> <TBODY VALIGN="TOP"> <ROW> <ENTRY/> <ENTRY>SiO<SUB>2</SUB></ENTRY> <ENTRY>67-75%</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>Al<SUB>2</SUB>O<SUB>3</SUB></ENTRY> <ENTRY>0.5-1% </ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>ZrO<SUB>2</SUB></ENTRY> <ENTRY>2-7%</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>Na<SUB>2</SUB>O</ENTRY> <ENTRY>2-9%</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>K<SUB>2</SUB>O</ENTRY> <ENTRY> 4-11%</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>MgO</ENTRY> <ENTRY>0-5%</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>CaO</ENTRY> <ENTRY> 5-10%</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>SrO</ENTRY> <ENTRY> 5-12%</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>BaO</ENTRY> <ENTRY>0-3%</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>B<SUB>2</SUB>O<SUB>3</SUB></ENTRY> <ENTRY>0-3%</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>Li<SUB>2</SUB>O</ENTRY> <ENTRY>0-2%</ENTRY> </ROW> <ROW> <ENTRY/> <entry namest="offset" nameend="2" align="center" rowsep="1"/> </ROW> </TBODY> </TGROUP> </TABLE> </TABLES> with the relationships: <?in-line-formulae description="In-line Formulae" end="lead"?>Na<SUB>2</SUB>O+K<SUB>2</SUB>O>10%<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>MgO+CaO+SrO+BaO>12%<?in-line-formulae description="In-line Formulae" end="tail"?> and said composition having a thermal expansion coefficient between 80 and 90x10<SUP>-7</SUP>/° C. It also relates to the use of these glass compositions for the production of substrates, especially for emissive displays and for fire-resistant glazing.
|
| 申请公布号 |
US2008188367(A1) |
申请公布日期 |
2008.08.07 |
| 申请号 |
US20080098590 |
申请日期 |
2008.04.07 |
| 申请人 |
SAINT-GOBAIN GLASS FRANCE |
发明人 |
GOULAS CATHERINE |
| 分类号 |
C03C3/087;C03C3/078;C03C3/093;H01J5/04;H01J29/86 |
主分类号 |
C03C3/087 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
