A thermal interface material (TIM) that includes a thermally reworkable polysiloxane with thermally reversible cycloadduct functionalities on at least one polysiloxane chain is disclosed. A TIM that includes a polysiloxane blended with a crosslinking network having thermally reversible cycloadduct functionalities is disclosed as well. A method of providing a TIM that includes a thermally reversible polymer network, a semiconductor package containing the TIM, and a computing device including the semiconductor package are also disclosed. The thermally reworkable polymer network of the provided TIM includes at least one polysiloxane chain and thermally reversible cycloadduct functionalities.

The present application relates to a cured product and the use thereof. When the cured product, for example, is applied to a semiconductor device such as an LED or the like, the decrease in brightness may be minimized even upon the long-term use of the device, and since the cured product has excellent cracking resistance, the device having high long-term reliability may be provided. The cured product has excellent processability, workability, and adhesive properties or the like, and does not cause whitening and surface stickiness, etc. Further, the cured product exhibits excellent heat resistance at high temperature, gas barrier properties, etc. The cured product may be, for example, applied as an encapsulant or an adhesive material of a semiconductor device.

The invention provides an actinically-polymerizable amphiphilic polysiloxane which comprises a polysiloxane polymer chain comprising a polylsiloxane segments comprising at least one siloxane unit having a low molecular weight hydrophilic polymer chain connected with a silicone atom of the siloxane unit, and (meth)acrylamido groups each covalently bonded to one of the ends of the polysiloxane polymer chain and/or to the end of one of low molecular weight hydrophilic polymer chains each connected with one silicone atom. The present invention is also related to a polymer, an actinically-crosslinkable silicone-containing prepolymer, a silicone hydrogel polymeric material, or a silicone hydrogel contact lens, which comprises repeating units derived from an actinically-polymerizable amphiphilic polysiloxane of the invention. In addition, the invention provides a method for making silicone hydrogel contact lenses using a water-based lens-forming formulation comprising an actinically-polymerizable amphiphilic polysiloxane of the invention and/or an actinically-crosslinkable silicone-containing prepolymer of the invention.

The invention provides an actinically-polymerizable amphiphilic polysiloxane which comprises a polysiloxane polymer chain comprising a polylsiloxane segments comprising at least one siloxane unit having a low molecular weight hydrophilic polymer chain connected with a silicone atom of the siloxane unit, and (meth)acrylamido groups each covalently bonded to one of the ends of the polysiloxane polymer chain and/or to the end of one of low molecular weight hydrophilic polymer chains each connected with one silicone atom. The present invention is also related to a polymer, an actinically-crosslinkable silicone-containing prepolymer, a silicone hydrogel polymeric material, or a silicone hydrogel contact lens, which comprises repeating units derived from an actinically-polymerizable amphiphilic polysiloxane of the invention. In addition, the invention provides a method for making silicone hydrogel contact lenses using a water-based lens-forming formulation comprising an actinically-polymerizable amphiphilic polysiloxane of the invention and/or an actinically-crosslinkable silicone-containing prepolymer of the invention.

A coating composition comprising (A) an organosiloxane obtained from hydrosilylation reaction of an organohydrogensiloxane having at least two hydrosilyl groups with an alkenyl-containing alkoxysilane, and (B) an organometallic catalyst is fast curable at low temperature. The cured coating is crack resistant.

A photoresist composition includes a photoresist polymer including a repeating unit to which a silicon-containing leaving group is combined, a photo-fluorine generator including a sulfonium fluoride, and a solvent.

Disclosed herein is a dielectric composite comprising an organic polymer that has a glass transition temperature greater than or equal to about 250 C.; and a dielectric filler present in an amount effective to impart to the dielectric composite a dielectric constant that varies by less than 5% over a temperature range of 25 C. to 300 C., with an applied alternating electric field having a frequency of 10.sup.4 Hz and a maximum operating electric field strength of at least 250 megavolt per meter. Disclosed herein too is a method of manufacturing the dielectric composite and articles that contain the dielectric composite.

Provided is an inorganic oxide dispersion (sol) in which inorganic oxide particles are dispersed in silicone oil.

A siloxane monomer obtained from a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, an encapsulant composition including the siloxane monomer, an encapsulant obtained by curing the encapsulant composition, and an electronic device including the encapsulant are disclosed.

In an example, a process of forming a polymeric material includes forming a mixture that includes a polydimethylsiloxane (PDMS) material and a pentaerythritol cross-linking material. The process also includes forming a cross-linked PDMS material via a chemical reaction of the pentaerythritol cross-linking material and the PDMS material.