Title:
METHOD FOR MANUFACTURING BRANCHED ORGANOPOLYSILOXANE
Document Type and Number:
Japanese Patent JP3724782
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for stably manufacturing various branched organopolysiloxanes only by alkaline equilibrium.
SOLUTION: This method for manufacturing a branched organopolysiloxane comprises polymerizing a mixture of (I) 1-100 pts.wt. organopolysiloxane represented by average composition formula (1), (II) 1-100 pts.wt. dialkylcyclosiloxane, and (III) 1-100 pts.wt. organopolysiloxane represented by formula (2) in the presence of an alkali catalyst.
Inventors:
Shinji Irifune
Masahiko Ogawa
Masahiko Ogawa
Application Number:
JP2000209445A
Publication Date:
December 07, 2005
Filing Date:
July 11, 2000
Export Citation:
Assignee:
Shin-Etsu Chemical Co., Ltd.
International Classes:
C08G77/04; C08G77/44; C08G77/10; C08G77/20; (IPC1-7): C08G77/44
Domestic Patent References:
| JP9194595A | ||||
| JP11158281A | ||||
| JP9208701A |
Attorney, Agent or Firm:
Kanji Arai
Naotaka Kono
Eiichiro Shimazaki
Naotaka Kono
Eiichiro Shimazaki