Title:
CURED PRODUCT OF CARBORANE-CONTAINING SILICON-BASE RESIN
Document Type and Number:
Japanese Patent JP3468716
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a cured product of a carborane-containing silicon-base resin having further improved mechanical strength and flame-retardance and useful for electrical equipment for automobile, etc., by treating a specific carborane-containing silicon-base polymer at a high temperature.
SOLUTION: A carborane-containing silicon-base polymer containing a unit expressed by formula I, formula II and formula III [R1 and R2 are each H, a 1-20C alkyl or a 6-30C aryl bonded to silicon atom; R3 is a 1-20C alkylene or a 6-30C arylene; Z is H, a 1-20C alkyl, a 6-30C aryl or the like; carborane is a bivalent basket-like boron compound expressed by CBpHqC ((p) and (q) are each 3-16)] in the structural unit and having a weight-average molecular weight of 1,000-5,000,000 is heat-treated at temperatures of 350-2,000°C. Preferably, the reaction is carried out e.g. by using chloroplatinic acid, etc., as a catalyst and toluene, etc., as a solvent at a reaction temperature between room temperature and the boiling point of the solvent in argon gas atmosphere.
Inventors:
Motokuni Ichiya
Kazuhiko Nakamura
Kazuhiko Nakamura
Application Number:
JP11988199A
Publication Date:
November 17, 2003
Filing Date:
April 27, 1999
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
C08G77/50; C04B35/571; C04B35/58; C08G77/60; (IPC1-7): C08G77/60; C04B35/571; C04B35/58
Domestic Patent References:
| JP111561A | ||||
| JP11240957A | ||||
| JP5044299A | ||||
| JP5262878A | ||||
| JP649430A | ||||
| JP6172712A | ||||
| JP11240956A | ||||
| JP11269270A | ||||
| JP2000119397A | ||||
| JP442240B1 | ||||
| JP8505649A | ||||
| JP8507795A | ||||
| JP10509750A |
Other References:
【文献】米国特許3388090(US,A)
【文献】米国特許3388091(US,A)
【文献】米国特許5552505(US,A)
【文献】米国特許3388091(US,A)
【文献】米国特許5552505(US,A)