|
|
Article: Research from Y.C. Pan and co-authors yields new data on physical chemistry.
- Article from:
- Chemicals & Chemistry
- Article date:
- November 13, 2009
CopyrightCOPYRIGHT 2009 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
According to a study from Chungli, Taiwan, "Ordered periodle mesoporous organosilloas containing diffeerent fractions of benzene groups in the sillen framework based on the cubic SBA-1 mesostructure (Pm3n mesophase), were synthesized with teh direct. synthesis route via co-condensation of tetraethoxysilane (TEOS) and 1,4 bis(triethoxysilyl)benzene (BTEB) under acidic conditions using cetyltriethylammonium bromide as a structure-directing agent. A significantly large amount of TEOS, up to 70 mol % based on silica, can be incorporated into the silica wall without degrading the structural integrity of the materials."
"By optimization of the synthesis compositions, ...