Importance

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Abstract

The present invention provides a heat curable silicone rubber composition capable of obtaining a cured product having a good transparency and antistatic property. A heat curable silicone rubber composition includes: (A) 100 parts by mass of an organopolysiloxane, (B) 10 to 400 parts by mass of a silicone resin, (C) an organohydrogenpolysiloxane in an amount such that the number of the hydrogen atoms bonded to a silicon atom per one alkenyl group bonded to a. silicon atom in the component (A) and the component (B) is 1.0 to 10.0, (D) a silicone rubber base polymer containing a hydrosilylation reaction catalyst, and (E) 30 to 3000 ppm of an ionic liquid serving as an antistatic agent, wherein the ionic liquid of the component (E) is one in which a difference of a refractive index from a refractive index of a cured product of the silicone rubber base polymer is within the range of ±0.04.

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First Claim