Title:
ポリシロキサンの製造方法およびその使用
Document Type and Number:
Japanese Patent JP4796302
Kind Code:
B2
Abstract:
A process for the preparation of an organosilicon condensate which comprises reacting together (A) at least one silicon containing compound having at least one silanol group; and (B) at least one silicon containing compound having at least one -OR group in the presence of (C) a calcium or magnesium catalyst selected to allow the reaction to proceed and (D) at least one solvent. Advantageous catalysts include calcium hydroxide, calcium oxide, magnesium hydroxide or magnesium oxide. Advantageously the solvent may be a protic solvent such as water, methanol, ethanol, 1-propanol, 2-propanol, 1-butanol and 2-butanol. The invention also relates to condensates, such as siloxanes, prepared by the process.
Inventors:
Konji Ja
Dachs Kukulji
Dachs Kukulji
Application Number:
JP2004555866A
Publication Date:
October 19, 2011
Filing Date:
December 01, 2003
Export Citation:
Assignee:
RP PTY Limited
International Classes:
C08G77/08; C08G77/00; C08G77/20; C08G77/24; C08G77/56; C08G77/58
Domestic Patent References:
| JP3197486A | ||||
| JP1279912A | ||||
| JP63185989A | ||||
| JP9501964A | ||||
| JP2000500811A | ||||
| JP6192426A | ||||
| JP2004132060A | ||||
| JP8208840A | ||||
| JP8034854A | ||||
| JP6073147A | ||||
| JP11092665A | ||||
| JP4227731A | ||||
| JP2002105206A |
Foreign References:
| WO2001004186A1 |
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro