Abstract: A dual cure (condensation and free radical reaction) adhesive composition is useful for electronics applications.

Abstract: A method for producing a patterned silicone layer; said method comprising steps of: (a) depositing on a substrate a composition comprising: (i) a polysiloxane comprising alkenyl groups, (ii) a silane crosslinker comprising silicon-hydrogen bonds, (iii) a hydrosilylation catalyst, and (iv) a photolatent amine generator, to form an uncured resin; (b) exposing the uncured resin to ultraviolet light or electron beam irradiation through a mask to produce a patterned resin; (c) heating the patterned resin; and (e) removing at least a part of the uncured portion of the patterned resin to produce a final patterned silicone layer.

Abstract: A dual curable silicone composition, comprising: (a) a silicone resin comprising at least one epoxy group, (b) a silicone polymer comprising at least one epoxy group and at least one hydrolyzable group, (c) a catalytic amount of onium salt photo catalyst, (d) a catalytic amount of condensation catalyst, wherein the composition is curable when exposed to UV radiation, H2O, or UV radiation and H2O.

Abstract: A method for preparing an amino-functional polydiorganosiloxane employs a removable catalyst. The method differs from previous methods in the selection of catalyst, order of addition of catalyst with respect to other starting materials, and catalyst removal.

Abstract: Metal-polyorganosiloxane materials, methods of making and using them, and manufactured articles and devices containing them are disclosed. The metal-polyorganosiloxane materials have improved thermal stability and comprises a metal-polyorganosiloxane mixture that is free of condensation-curable polyorganosiloxane and solid particles other than metal particles and ceramic particles, the metal-organosiloxane mixture otherwise comprising: (A) a polyorganosiloxane that is free of silicon-bonded organoheteryl groups; (B) a hydrocarbylene-based multipodal silane; and (C) metal particles.

Abstract: A composition comprising: (a) a component comprising units of Ar1SiO3/2, wherein Ar1 is C6-C20 aryl and units of PhCH3SiO2/2, and having Mw from 20,000 to 90,000; and (b) an elastomeric component comprising: (i) a straight-chain organopolysiloxane having at least two silicon-bonded alkenyl groups and at least one silicon-bonded aryl group; (ii) a branched-chain organopolysiloxane having formula: (RSiO3/2)a(R2SiO2/2)b(R3SiO1/2)c(SiO4/2)d(XO1/2)e where each R is the same or different C1-C20 hydrocarbyl group, 0.1 to 40 mole % of all R's are alkenyl, more than 10 mole % of all R's are C6-C20 aryl, X is a hydrogen atom or alkyl, a is 0.45 to 0.95, b is 0 to 0.25, c is 0.05 to 0.5, d is 0 to 0.1, e is 0 to 0.1, c/a is 0.1 to 0.5; (iii) an organopolysiloxane having at least two silicon-bonded hydrogen atoms; and (iv) a hydrosilylation catalyst.

Abstract: A condensation cure organosiloxane composition is disclosed. The composition may be used as an electrically insulating sealant and/or adhesive. The composition is a silicone elastomer composition comprising: (a) a polydiorganosiloxane having at least two —OH or hydrolysable groups per molecule; (b) a cross-linker which will cross-link polydiorganosiloxane (a); (c) a filler component comprising (i) a maximum of 25% by weight of the composition of calcium carbonate and/or silica, and (ii) an amount of one or more fibrous fillers selected from mineral fibers, bulk fibers, refractory fibers, basalt fibers, or mixtures thereof; (d) a condensation curing catalyst; and optionally (e) one or more additives. Upon cure, the composition provides a silicone elastomer having a volume resistivity which is ?2×1015 ?·cm.

Abstract: A thermal insulation structure for a substrate for use subsea, and a method of providing a thermal insulating structure. The structure comprises: an inner layer and an outer layer. The inner layer is the reaction product of a first part and a second part, wherein the weight ratio of the first part to the second part is from about 15:1 to 1:1. The first part comprises any of alkenyldialkyl terminated polydialkylsiloxane, alkenyldialkyl terminated polydialkylalkenylmethylsiloxane or mixtures thereof, which will individually or collectively have a viscosity of from 250 to 10000 mPa·s at 25° C., and a hydrosilylation catalyst. The second part comprises a mixture of organohydrogensiloxane having two Si—H bonds per molecule and organohydrogensiloxane having at least three Si—H bonds per molecule. The outer layer is the reaction product of a first part and a second part, wherein the weight ratio of the first part to the second part is from about 15:1 to 1:1.

Abstract: A non-linear side chain liquid crystal polyorganosiloxane differs from previous side chain liquid crystal polyorganosiloxanes. A method for preparing the non-linear side chain liquid crystal polyorganosiloxane involves hydrosilylation reaction of a SiH rich intermediate with an aliphatically unsaturated mesogenic compound. A liquid crystal composition containing the non-linear side chain liquid crystal polyorganosiloxane is useful in dynamic scattering mode electro-optic device for various applications.

Abstract: A silsesquioxane-containing composition comprising a silsesquioxane resin and an oxaamine of formula (II) (see description), products prepared therefrom, photoresist compositions comprising the silsesquioxane-containing composition and a photoacid generator, products prepared therefrom, methods of making and using same, and manufactured articles and semiconductor devices containing same.

Abstract: The present disclosure provides for an agrochemical emulsion with reduced spray drift that includes an emulsion pre-mix concentrate, an acrylate-based copolymer, and an aqueous based agrochemical composition. The agrochemical emulsion includes 0.05 to 5 weight percent (wt %) of the emulsion pre-mix concentrate, 0.05 to 5 wt. % of the acrylate-based copolymer and 90 to 99.9 wt. % of the aqueous based agrochemical composition. The emulsion pre-mix concentrate includes 40 to 70 wt. % of an alkylene glycol ether, 10 to 40 wt. % of a vegetable-oil, and a surfactant, where the wt. % of the surfactant is 0.5 to 2 times the wt. % of the vegetable-oil wt. %, where the wt. % values are based on the total weight of the emulsion pre-mix concentrate and the wt. % of the alkylene glycol ether, the vegetable-oil and the surfactant total 100 wt. % of the emulsion pre-mix concentrate. The acrylate-based copolymer has a weight average molecular weight of 0.5 to 1.5 million.

Abstract: A coating composition is disclosed. The coating composition generally provides a coating which is easy to clean, e.g. from an oil stain. The coating composition contains, based on the solid contents of the coating composition; (A) 72 to 90 weight % of a methylpolysiloxane resin; (B) 3 to 8 weight % of a polydimethylsiloxane; (C) 7 to 18 weight % of a silane adhesion promoter with a specific chemical structure; and (D) 0.1 to 0.3 weight % of a catalyst. The coating composition optionally contains (E) a reaction product of a composition containing diisocyanate and polydimethylsiloxane. The coating composition optionally contains (F) a fluorinated silane, in addition or alternate to component (E).

Abstract: A silicone block copolymer having an aminofunctional endblocking group is useful in personal care applications, particularly hair care. A process for making the silicone block copolymer is also described.

Abstract: A method for preparing a product includes combining starting materials including A) a siloxane oligomer having silicon bonded hydrogen atoms, B) an alkoxysilane having at least one aliphatically unsaturated group capable of undergoing hydrosilylation reaction and C) an iridium complex catalyst. The method can be used to produce a compound of formula (I). This compound can be used in a hydrosilylation reaction with a vinyl-functional polyorganosiloxane. The resulting product includes an ethyltrimethoxysilyl functional polyorganosiloxane useful in condensation reaction curable sealant compositions.

Abstract: A condensation cure organosiloxane composition is disclosed. The composition may be used as an electrically insulating sealant and/or adhesive. The composition comprises: (a) a polydiorganosiloxane having at least two —OH or hydrolysable groups per molecule; (b) a cross-linker which will cross-link polydiorganosiloxane (a); (c) a filler component comprising calcium carbonate; (d) a filler treating agent comprising one or more carboxylated liquid organic polymers; (e) a condensation curing catalyst; and optionally (f) one or more additives. Upon cure, the composition provides a silicone elastomer having a volume resistivity which is ?2×1015 ?·cm.

Abstract: A Crosslinked Aminosilicone Polymer is useful in personal care applications, particularly hair care or textile treatment. A process for making the Crosslinked Aminosilicone Polymer is also described.

Abstract: An insulation or jacket layer for a coated conductor is composed of (A) a crosslinked silane-functionalized polyolefin, (B) a filler, (C) a reactive branched polysiloxane, and (D) from 0.00 wt % to 20 wt % of a silanol condensation catalyst.

Abstract: A catalyst having a specific structure and a method of preparing the catalyst is disclosed. A composition is also disclosed, which comprises: (A) an unsaturated compound including at least one aliphatically unsaturated group per molecule, subject to at least one of the following two provisos: (1) the (A) unsaturated compound also includes at least one silicon-bonded hydrogen atom per molecule; and/or (2) the composition further comprises (B) a silicon hydride compound including at least one silicon-bonded hydrogen atom per molecule. The composition further comprises (C) the catalyst. A method of preparing a hydrosilylation reaction product and a dehydrogenative silylation reaction product are also disclosed.

Abstract: The present invention relates to organopolysiloxane compositions which exhibits both UV and moisture initiated curing.

Abstract: Provided is a resin-linear organopolysiloxane block copolymer which has a high degree of freedom in formulation due to excellent compatibility with other materials, in addition to exhibiting excellent film forming properties and followability of a film, while the stickiness of a film is suppressed. The resin-linear organopolysiloxane block copolymer has: a resin structure (A1) block that has siloxane units represented by R1SiO3/2 (wherein R1 represents a monovalent organic group, a hydroxyl group, or an alkoxy group having 1 to 6 carbon atoms) and SiO4/2; and a linear structure (A2) block represented by (R2SiO2/2)n (wherein n represents a number of 5 or more while R represents an alkyl group, a fluoroalkyl group, or an aryl group) in each molecule. The resin structure (A1) and the linear structure (A2) are linked to each other by an Si—O—Si bond, and an Si atom bonded to the resin structure (A1) constitutes an RSiO3/2 unit.