A thermoplastic composition including a resin phase and 10% to 55%, especially 25% to 45% of glass fibers by weight of the composition is disclosed. The resin phase includes a polysiloxane block copolymer including polydimethylsiloxane blocks and polycarbonate blocks derived from bisphenol A. The resin phase further includes a polycarbonate and has between 2.0 wt % and 10 wt % by weight of siloxane. The thermoplastic composition has (i) a notched Izod impact strength of at least 150 Joules per meter measured at 23 C. according to ASTM D256, (ii) a tensile strength greater than 95 MPa as determined by ASTM D638, (iii) a tensile modulus greater than 10,900 MPa as determined by ASTM D638 and (iv) an unnotched Izod impact strength greater than 775 Joules per meter measured at 23 C. according to ASTM D256.

Described is a tri-block prepolymer having a chemical structure of [A]-[B]-[C], comprising at least one monovalent reactive group, wherein segment [A] and [C] independently comprise polymeric segments based on a first hydrophilic monomer comprising functionality selected from the group consisting of hydroxyalkyl, alkylamine, and mixtures thereof and optionally a second hydrophilic monomer, and [B] comprises a polymeric segment of at least one silicone-containing macromer and optionally a third hydrophilic monomer comprising functionality selected from the group consisting of hydroxyalkyl, alkylamine, and mixtures thereof and optionally a silicone-containing monomer. These prepolymers may be used alone or in combination with other components in reactive monomer mixtures for making silicone hydrogels and ophthalmic devices made therefrom, including contact lenses.

Chemical compositions are provided having a structure in accordance with ##STR00001##
with the R group having a structure in accordance with ##STR00002##
R.sup.1 includes an alkyl group, R.sup.2 includes an alkylene group, and R.sup.3 includes an alkylene group in accordance with (CH.sub.2), with x2, and R.sup.4 includes the structure of Formula (II) or Formula (III). R.sup.5 includes a meta-substituted or para-substituted phenyl moiety. Additionally, elastomers produced by cross-linking the chemical composition of Formula (I) are provided.

Provided are rapidly cross-linkable silicone foam compositions, kits, and methods for filling implanted medical devices in situ or in vivo, the implanted medical devices, including for example, body implants and tissue expanders, the compositions including a platinum divinyl disiloxane complex; a low viscosity vinyl terminated polydimethylsiloxane; a low viscosity hydride terminated polydimethylsiloxane; a silicone cross-linker; and a gas and/or gas-filled microcapsules, where the rapidly cross-linkable silicone foam composition has a viscosity of 150 cPs for 1 min. post-preparation and 300 cPs5 min. post-preparation, at ambient temperature.

The present invention relates to a PDMS-polyurethane film for displays, which has a dielectric constant/elastic modulus value of 2 to 15 mm.sup.2/N, and a production method thereof.

Provided is a heat-curable resin composition exhibiting a superior handling property and workability in the form of a film, having a high adhesion to a base material, and capable of yielding a cured product with a low elasticity. The heat-curable resin composition contains: (A) 90 to 10 parts by mass of a silicone-modified epoxy resin; (B) 10 to 90 parts by mass of a maleimide compound having a weight-average molecular weight (Mw) of 2,500 to 50,000; and (C) a curing catalyst,
provided that a total of the components (A) and (B) is 100 parts by mass.

A segregated polymeric material is described that includes a silicon-based hydrophobic polymer and a copolymer comprising a silicon-based hydrophobic polymer and a hydrophilic segment, wherein the copolymer has been segregated to a surface of the material by contacting the surface with an aqueous solution. The segregated polymeric material can be used to improve the wettability and decrease the protein adsorption of a surface.

An object of the present invention is to provide an impact modifier that provides impact resistance to a molded object obtained by molding a resin composition such as polycarbonate at a high temperature, and exhibits more excellent heat stability (preservation of mechanical properties after a wet heat test, discoloration, and flame retardance), and a thermoplastic resin composition including the impact modifier. The polyorganosiloxane-containing-rubber latex, in which a total amount of sulfate ions and sulfonate ions included in 100 g of the solid content is 2.4 mmol or less, a powder thereof, and a resin composition including the powder and a resin. Further, a molded object thereof and a production method therefor are provided.

Provided are a composition for a light transmittance control film, and a light transmittance control film. According to the inventive concept, the light transmittance control film includes a matrix part including a copolymer and a polymer chain which is grafted to the copolymer; and a dispersed part including a polymer derived from a first monomer, and are provided in the matrix part, wherein the polymer chain is derived from the first monomer, first light transmittance is shown while external force is applied, and second light transmittance which is greater than the first light transmittance may be shown after the external force is removed.

Provided are rapidly cross-linkable silicone foam compositions, kits, and methods for filling implanted medical devices in situ or in vivo, the implanted medical devices, including for example, body implants and tissue expanders, the compositions including a platinum divinyl disiloxane complex; a low viscosity vinyl terminated polydimethylsiloxane; a low viscosity hydride terminated polydimethylsiloxane; a silicone cross-linker; and a gas and/or gas-filled microcapsules, where the rapidly cross-linkable silicone foam composition has a viscosity of 150 cPs for 1 min. post-preparation and 300 cPs5 min. post-preparation, at ambient temperature.