Toshiba Silicone Co., Ltd.

Toshiba Silicone Ltd.

Yasuji Matsumoto

Tsuneo Motegi

Sam Huy

Bunjiro Murai

Atsushi Kurita

Tetsuo Fujimoto

Hideo Takahashi

Kiyoshi Takeda

Masanori Toya

Shuji Chiba

Yasushi Kuwahara

Maya Moriyama

Takaomi Kobayashi

Huy Sam

Nobuo Nakamura

Silicone rubber composition and silicone rubber-processed fabric

A silicone grease composition comprising:

Silicone grease composition

An addition reaction-type adhesive silicone composition comprising (A) an alkenyl group-containing polyorganosiloxane; (B) a polyorganohydrogensiloxane; (C) at least two members selected from the group consisting of (1) (meth)acryloxy group-containing alkoxysilanes or siloxanes, (2) epoxy ring-containing alkoxysilanes or siloxanes and (3) isocyanurate compounds; and (D) Pt, Pd, or Rh compounds. The composition exhibits excellent adhesiveness for plastic materials, and its cured products have excellent heat-resistant and moisture-resistant properties.

Adhesive silicone compositions

A process for producing an electronic part which comprises: coating a predetermined surface of the electronic part with a composition comprising as basic ingredients 100 parts by weight of a polyorganosiloxane having an alkenyl group, 0.01 to 10 parts by weight of an organic peroxide and 0.01 to 20 parts by weight of an adhesion promoter, thereby to form a layer of the composition adhered to the predetermined surface of the electronic part; subjecting said electronic part having adhered thereto the composition layer to heat treatment, thereby to convert said composition layer into a layer of a cured elastomer having surface tackiness; and forming a protective sealing resin layer on the cured elastomer layer having surface tackiness.

Process for producing an electronic part

A curable organopolysiloxane composition having condensation-curing properties and ultraviolet-curing properties, comprising (A) a diorganopolysiloxane having a viscosity of 50 to 200,000 cSt, both ends of each molecule thereof being blocked with a silanol group, (B) a silane compound, (C) an (alkyl)acrylic acid derivative, (D) a catalyst for condensation and (E) a sensitizer.

Curable organopolysiloxane composition

An ultraviolet-curable silicone resin composition for use in coating optical fibers, which comprises

Ultraviolet-curable silicone resin composition for use in coating

A curable polyorganosiloxane composition is disclosed, comprising: (A) 100 parts by weight of polyorganosiloxane having at least two hydroxyl groups or hydrolyzable groups bonded to a silicon atom in the molecule thereof and having a viscosity at 25.degree. C. of 10 to 1,000,000 cSt, (B) 0 to 2,000 parts by weight of polyorganosiloxane having at least two alkenyl groups bonded to a silicon atom in the molecule thereof and having a viscosity at 25.degree. C. of 10 to 1,000,000 cSt, (C) 0.5 to 20 parts by weight of an organosilicon compound having more than 2 (on the average) hydrolyzable groups bonded to a silicon atom in the molecule thereof, (D) 0 to 10 parts by weight of a catalyst for a condensation reaction, and (E) 0.1 to 5 parts by weight of an organic peroxide, wherein at least 0.01 mol % of all organic groups bonded to a silicon atom as contained in (A) to (C) is an alkenyl group. The composition has both condensation reaction curability and ultraviolet ray curability.

Curable polyorganosiloxane composition

An addition curable polyorganosiloxane composition is stabilized against premature cure at room temperature by the presence of one or more compounds selected from the group consisting of (i) a silane compound represented by the following general formula:

Polyorganosiloxane composition

A curable silicone composition which is characterized by comprising:

Curable silicone composition

Primer composition

A curable silicone composition comprising:

A curable organopolysiloxane composition comprises (A) an organopolysiloxane having at least two alkenyl groups bonded to silicon atoms in which the silicon atom is attached to a monovalent hydrocarbon group containing a trialkoxysilyl group, an epoxy group or an ester group, (B) an organohydrogenpolysiloxane having at least three hydrogen atoms bonded to silicon atoms and (C) a catalyst of platinum or a compound thereof. It is improved in respect to the adhesion to metal, glass and plastics.

A primer composition for an Si-H-olefin platinum catalyzed composition comprising an epoxy functional silane, an alkenyl-group-containing organosilicon compound, a vinyl acetate type of polymer, platinum, and an ester type of organic solvent.

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Gunma, Japan

Yasuji Matsumoto