Title:
ADDITION-CURABLE LIQUID SILICONE RUBBER COMPOSITION
Document Type and Number:
Japanese Patent JP2019085532
Kind Code:
A
Abstract:
To provide an addition-curable liquid silicone rubber composition capable of giving a silicone rubber having high strength, especially a high tear strength while suppressing increase in hardness.SOLUTION: There is provided an addition-curable liquid silicone rubber composition which comprises (A) 100 pts.mass of an organopolysiloxane having an alkenyl group bonded to a silicon atom and an average polymerization degree of 1500 or less which is liquid at 25°C, (B) 1 to 100 pts.mass of a silsesquioxane having a cage structure having a specific substituent and a specific number of alkenyl groups based on 100 pts.mass of the component (A), (C) 0.1 to 40 pts.mass of an organohydrogenpolysiloxane containing a hydrogen atom bonded to a silicon atom based on the total 100 pts.mass of the components (A) and (B), (D) 0 to 100 pts.mass of fumed silica having a BET method specific surface area of 50 m/g or more based on 100 pts.mass of the component (A) and 0.1 to 1000 ppm of an addition reaction catalyst based on the total 100 pts.mass of the components (A) and (B).SELECTED DRAWING: None
Inventors:
KATO NOBU
OISHI HIROKI
ONOZAWA HAYATO
OISHI HIROKI
ONOZAWA HAYATO
Application Number:
JP2017217012A
Publication Date:
June 06, 2019
Filing Date:
November 10, 2017
Export Citation:
Assignee:
SHINETSU CHEMICAL CO
International Classes:
C08L83/07; C08K3/36; C08L83/05
Domestic Patent References:
| JP2007031619A | 2007-02-08 | |||
| JP2013108063A | 2013-06-06 | |||
| JP2014098146A | 2014-05-29 |
Attorney, Agent or Firm:
Hideaki International Patent Office