Provided are: a crosslinked organopolysiloxane which has properties intermediate between a dimethylpolysiloxane oil and a gel-like crosslinked siloxane; and a method for producing the crosslinked organopolysiloxane. An oil-like organopolysiloxane which is produced by: adding a compound having a siloxane unit represented by formula (3) to a gel-like silicone, wherein the gel-like silicone is produced by a hydrosilylation reaction of an organopolysiloxane having an alkenyl group with an organohydrogenpolysiloxane having a hydrogen atom bonded to a silicon atom in the presence of a platinum-group metal catalyst; and then equilibrating the resultant product with an acid or alkali catalyst.

R.sup.1.sub.2SiO.sub.2/2   (3)

(R.sup.1 represents a group selected from a monovalent hydrocarbon group having no aliphatic unsaturated bond and an alkenyl group represented by the formula: —(CH.sub.2).sub.a—CH═CH.sub.2 (wherein a represents a numerical value of 0 to 6), and the average polymerization degree of formula (3) is 3 to 2,000.)

The present application relates to cleaning and treatment compositions comprising a material that reduces foam and methods of making and using such material and compositions. Such compositions comprise benefit agents that typically impact the performance of antifoams yet in the present compositions antifoaming properties of antifoams are maintained.

An emulsion is disclosed which comprises a non-aqueous phase comprising a solid silicone resin and a siloxane carrier vehicle having an average of at least one silicon-bonded functional group per molecule and capable of carrying the solid silicone resin, an aqueous phase comprising water, and a surfactant, wherein the emulsion is substantially free from organic solvents. Various methods relating to the emulsion and end uses thereof are also disclosed. A composition comprising the emulsion and an organic binder, as well as related methods, are further disclosed.

A curable silicone composition is disclosed. The curable silicone composition comprises: (A) a linear organopolysiloxane having at least two silicon atom-bonded alkenyl groups per molecule, wherein at least 5 mole % of all silicon atom-bonded organic groups are aryl groups; (B) an organopolysiloxane containing siloxane units represented by the general formula R.sup.1.sub.3SiO.sub.1/2 where each R.sup.1 represents an independently selected monovalent hydrocarbon group, and siloxane units represented by the general formula SiO.sub.4/2, wherein the amount of alkenyl groups is at least 6% by weight; (C) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule; and (D) a hydrosilylation reaction catalyst. The curable silicone composition forms a cured product with little weight reduction, little change in hardness, and little crack generation after thermal aging.

A polysiloxane-substituted quinacridone pigment is produced by a quinacridone pigment with an epoxy-terminated polysiloxane under conditions effective to cause the epoxy group on the polysiloxane to react with, and bond the polysiloxane to, the quinacridone pigment. The quinacridone pigment thus produced has the polysiloxane grouping bonded to one of the quinacridone nitrogen atoms via a hydrocarbon linking group, which bears a hydroxyl group on a carbon atom α or β to the quinacridone nitrogen atom. These quinacridone pigments are useful in electrophoretic displays.

System, including methods and compositions, for making and using emulsions that include a silicone oil and a silicone surfactant. The emulsions may include aqueous droplets disposed in a continuous phase that includes a silicone oil and a silicone surfactant. The aqueous droplets may contain an analyte, optionally at partial occupancy, and/or a luminescent (e.g., photoluminescent) reporter. An assay of the analyte may be performed with the droplets. In some cases, signals may be detected from the droplets, and a characteristic of the analyte, such as an analyte level or activity, may be determined based on the signals.

A silicone-polyester copolymer has the formula X.sub.g[Z.sub.jY.sub.o].sub.c, where each X is an independently selected silicone moiety having a particular structure, each Y is an independently selected polyester moiety, each Z is an independently selected siloxane moiety, subscript c is from 1 to 150, subscript g is >1, 0≤j<2, and 0<o<2, with the proviso that j+o=2 in each moiety indicated by subscript c. Methods of preparing the silicone-polyester copolymer are also disclosed. Further, a sealant is disclosed, the sealant comprising the silicone-polyester copolymer and a condensation-reaction catalyst.

A curable silicone composition comprises: (A) an organopolysiloxane represented by a specific average unit formula; optionally, (B) an organopolysiloxane represented by a specific average unit formula; (C) an organohydrogenpolysiloxane represented by a specific average composition formula; and (D) a hydrosilylation catalyst. A curable hot-melt silicone is obtained by subjecting the curable silicone composition to a hydrosilylation reaction to a degree that does not form a cured product. The curable hot-melt silicone is non-flowable at 25° C. and has a melt viscosity at 100° C. of 5000 Pa.Math.s or less. The curable silicone composition provides a cured product having excellent heat resistance and light resistance after being cured. The curable hot-melt silicone is non-flowable at room temperature, has low surface stickiness, and is readily melted by heating.

Various embodiments provide an article including a substrate and a coating thereon including a functionalized fluorine containing compound crosslinked with a multifunctional siloxane resin. A method of forming the article includes applying a multifunctional siloxane resin to a substrate, applying a functionalized fluorine containing compound to the substrate, and annealing the multifunctional siloxane resin and the functionalized fluorine containing compound.

An addition-curable silicone resin composition which exhibits good adhesion to a substrate and has good compatibility with an inorganic filler, as well as a cured product thereof and a highly reliable semiconductor device encapsulated with the cured product, are provided. The addition-curable silicone resin composition includes (A) a linear or branched organopolysiloxane having at least one alkenyl group, said organopolysiloxane comprising at least one unit selected from R.sup.1R.sup.2SiO.sub.2/2 and R.sup.1R.sup.2.sub.2SiO.sub.1/2 units, and at least one unit selected from R.sup.2′.sub.2SiO.sub.2/2, R.sup.2′.sub.3SiO.sub.1/2 and R.sup.2′SiO.sub.3/2 units, wherein a percentage of a total number of the R.sup.1R.sup.2SiO.sub.2/2 and R.sup.1R.sup.2.sub.2SiO.sub.1/2 units, relative to a total number of all siloxane units, is from 0.001% to 50%, and wherein R.sup.1 is, independently at each occurrence, a hydroxy group or an alkoxy group of 1 to 30 carbon atoms; R.sup.2 is, independently at each occurrence, a group selected from a substituted or unsubstituted saturated hydrocarbon group of 1 to 12 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group of 6 to 12 carbon atoms, an alkenyl group of 2 to 10 carbon atoms, and the groups as defined for R.sup.1; and R.sup.2′ is a groups selected from the groups as defined for R.sup.2 other than those as defined for R.sup.1, with the proviso that at least one of R.sup.2 and R.sup.2′ is an alkenyl group; (B) an organohydrogenpolysiloxane having at least two hydrosilyl groups, in an amount such that the ratio of the number of hydrosilyl groups in component (B) to a total number of alkenyl groups in component (A) is from 0.1 to 4; and (C) a catalytic amount of a hydrosilylation catalyst.