A bio-electrode composition contains (A) an ionic polymer material, (B) an addition reaction-curable silicone having at least a hydrosilyl group, (C) a platinum-group catalyst, and a solvent. The bio-electrode composition has a water content of 0.2 mass % or less. The solvent includes one or more of an ether solvent, an ester solvent, and a ketone solvent each of which does not contain a hydroxy group, a carboxyl group, a nitrogen atom, or a thiol group. Thus, present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and which does not leave residue on skin after attachment to and peeling from the skin; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.

A curable silicone composition for forming a light diffusion material is disclosed. The curable silicone composition comprises: (A) an organopolysiloxane having at least two alkenyl groups per molecule and free of a fluoro-containing organic group; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule and free of a fluoro-containing organic group; (C) an organopolysiloxane having at least one fluoro-containing organic group per molecule; and (D) a hydrosilylation reaction catalyst. The curable silicone composition can be cured to form a light diffusion material exhibiting good to excellent transparency and diffusion properties.

The present disclosure is directed to a process for the preparation of curable, (meth)acrylate functionalized polysiloxanes. In addition, the present disclosure is directed to a curable, (meth)acrylate-functionalized polysiloxane obtained thereby and curable compositions comprising these curable, (meth)acrylate-functionalized polysiloxanes.

The present invention provides a thermally conductive silicone potting composition. In one embodiment the thermally conductive silicone potting composition comprises: a first part comprising: (a) a vinyl organopolysiloxane, (c) an alumina filler having an average particle diameter which is greater than or equal to 0.1 μm and less than 3 μm, (d) an alumina and/or aluminium hydroxide filler having an average particle diameter which is greater than or equal to 3 μm and less than 15 μm, (e) an alumina filler having an average particle diameter which is greater than or equal to 15 μm and less than or equal to 100 μm, (f) a catalyst, and a second part comprising: (b) a hydride organopolysiloxane, (c) an alumina filler having an average particle diameter which is greater than or equal to 0.1 μm and less than 3 μm, (d) an alumina and/or aluminium hydroxide filler having an average particle diameter which is greater than or equal to 3 μm and less than 15 μm, (e) an alumina filler having an average particle diameter which is greater than or equal to 15 μm and less than or equal to 100 μm. The present invention also provides a thermal potting adhesive containing the thermally conductive silicone potting composition, a use of the thermally conductive silicone potting composition in an electronic component, and an electronic component, which is potted using the thermally conductive silicone potting composition.

A fiber alignment device is provided that includes a curable refractive index-matching gel that exhibits self-cleaning and self-healing characteristics upon multiple cycles of insertion and removal of an optical fiber.

An addition-curable liquid silicone rubber composition for LED headlamps, which contains:

(A) (A-1) an alkenyl group-containing liquid organopolysiloxane, and

(A-2) an alkenyl group-containing raw rubber-state organopolysiloxane;

(B) a silicone resin which contains an alkenyl group, while being composed of a unit that is selected from among an R.sup.2.sub.3SiO.sub.1/2 unit (M unit), an SiO.sub.4/2 unit (Q unit), an R.sup.2.sub.2SiO.sub.2/2 unit (D unit) and R.sup.2SiO.sub.3/2 unit (T unit);

(C) an organohydrogen polysiloxane;

(D) a platinum group metal catalyst; and

(E) triallyl isocyanurate.

The present disclosures are directed to compositions comprising a polymer having linear or branched silicone substituted by at least one alkylcarboxy group and cross-linked with an alkyl functional cross-linker, which has the benefits of compatibility and structuring of personal care components and the resultant personal care applications.

The present disclosures are directed to compositions comprising a polymer having branched silicone substituted by at least one alkylcarboxy group in a free or salt form and cross-linked with an alkyl functional cross-linker, which has the benefits of compatibility with hydrophilic ingredients and particulates in personal care components and the resultant personal care applications.

Described is a process for producing SiOC-bonded polyether siloxanes branched in the siloxane portion from cyclic branched siloxanes of the D/T type, wherein said process comprises in a first step reacting the mixtures of cyclic branched siloxanes of the D/T type with acetic anhydride optionally in admixture with simple siloxane cycles under acid catalysis to afford acetoxy-bearing branched siloxanes, in a second step performing the equilibration of the acetoxy-modified branched siloxane with superacid, preferably with addition of acetic acid and in a third step reacting the superacid-treated acetoxysiloxane with polyetherols optionally in the presence of bases and optionally in the presence of an inert solvent.

Silicone pressure-sensitive adhesives is the reaction product of a composition including a silanol end group-containing linear organopolysiloxane; a non-functional linear organopolysiloxane; and a silicate resin; wherein the dynamic viscosity of the non-functional linear organopolysiloxane at 25° C. is 100,000 mm.sup.2/sec or greater. The silicone pressure-sensitive adhesive has enhanced adhesion while minimizing skin damage and pain during removal of the adhesive.