A method for the preparation of an alkoxy-functional hydrogensiloxane oligomer includes reacting a polyorganohydrogensiloxane oligomer and an aliphatically unsaturated alkoxysilane in the presence of a hydrosilylation reaction and a promoter. The resulting reaction product is distilled, treated with a treating agent, and distilled again to produce the alkoxy-functional organohydrogensiloxane oligomer. The alkoxy-functional hydrogensiloxane oligomer can be reacted with polyorganosiloxane having an aliphatically unsaturated monovalent hydrocarbon group to form a polyalkoxy-functional polyorganosiloxane. The polyalkoxy-functional polyorganosiloxane can be formulated in condensation reaction curable compositions.

A process includes immersing a device in a cooling fluid, the cooling fluid comprising an alkyl modified silicone oil having the following average chemical structure (I) : (CH .sub.3) .sub.3SiO- [ (CH .sub.3) .sub.2) SiO] .sub.m- [R (CH .sub.3) SiO] .sub.n-Si (CH .sub.3) .sub.3 (I) where: R in each occurrence is an alkyl or substituted alkyl having 6 or more and at the same time 17 or fewer carbon atoms; subscript m has a value of one or higher and at the same time less than 22, subscript n has a value of one or higher, and the sum of m+n is greater than 5 and at the same time less than 50.

Use of an alkyltrichlorosilane of the following formula I: R-SiCl.sub.3, wherein: R represents an alkyl group, Si represents a silicon atom and Cl represents a chlorine atom, and/or of a silsesquioxane of the following formula II: [RSiO.sub.3/2].sub.n, wherein: R represents an alkyl group, Si represents a silicon atom, O represents an oxygen atom and n represents an integer, for the removal of microplastic particles from water and/or for the treatment of water. Further, a method for the removal of microplastic particles from water and/or for the purification of water is provided, as well as an inclusion and/or intercalation compound, a kit for the removal of microplastic particles from water and/or for the purification of water as well as a water treatment system.

A curable composition and an electronic device employing the same are provided. The curable composition includes 100 parts by mole of a first siloxane compound represented by Formula (I) ##STR00001##
wherein n is 8 to 232, wherein R.sup.1 is independently C.sub.1-3 alkyl group; 1 to 15 parts by mole of a second siloxane compound represented by Formula (II) ##STR00002##
wherein x≥2, y≥2, and x/y is between 0.1 and 3, and R.sup.2, R.sup.3 and R.sup.4 are independently C.sub.1-3 alkyl group; 1 to 15 parts by mole of a third siloxane compound represented by Formula (III) ##STR00003##
and 90 to 250 parts by mole of a curing agent represented by Formula (IV) ##STR00004##
wherein m is 7 to 230, wherein R.sup.5 is independently C.sub.1-3 alkyl group.

Provided are: a (hydrolyzable) organosiloxane compound which is represented by general formula (1) and contains a lipophilic group capable of forming a cured film having excellent lipophilicity and wear resistance; and a surface treatment agent containing the compound. ##STR00001##
(In the formula, A is any one among —CH.sub.3, —C(═O)OR.sup.1, —C(═O)NR.sup.1.sub.2, —C(═O)SR.sup.1, and —P(═O)(OR.sup.1).sub.2; R.sup.1 is a hydrogen atom, a C1-30 alkyl group, a C6-30 aryl group, or a C7-30 aralkyl group; Y is independently a divalent organic group; W is independently a C1-4 alkyl group, a phenyl group, a hydroxyl group, or a hydrolyzable group; R is independently a C1-4 alkyl group or a phenyl group; X is independently a hydroxyl group or a hydrolyzable group; n is an integer of 1-3; and q is an integer of 1-3.)

A gas separation membrane, a method for making the gas separation membrane, and a method for using the gas separation membrane are provided. An exemplary gas separation membrane includes a polyether-block-polyamide (PEBA) matrix and a cross-linked network including functionalized polyhedral oligomeric silsesquioxane (POSS) nanoparticles dispersed through the PEBA matrix.

Functionalized F-POSS compounds comprising synthetic blends of at least two feedstocks that produce a distribution of fluorinated polyhedral oligomeric silsesquioxane molecule structures and/or functional groups.

A methylpolysiloxane mixture along with uses and methods for operating a solar thermal power station (or CSP plant) utilizing the same. The use for the methylpolysiloxane mixture includes providing a mixture (a) wherein the methylpolysiloxane mixture includes a linear methylpolysiloxanes MD.sub.xM, wherein x is an integer with 0≤x≤100, and wherein the mixtures have a molar M:D ratio of 1:15.5 to 1:30; or (b) wherein the methylpolysiloxane mixture includes a linear methylpolysiloxanes MD.sub.xM, wherein x is an integer with 0≤x≤80 and cyclic dimethylpolysiloxanes D.sub.y where y is an integer≥3, wherein the sum of the fractions of all cyclic dimethylpolysiloxanes D.sub.y is 10-95 wt %, and wherein the mixtures have a molar M:D ratio of 1:10.5 to 1:30. The methylpolysiloxane mixture is used as a heat transfer fluid in a CSP plant with operating temperatures in a range of 300 to 500° C.

A siloxane compound is useful as a bonding agent in an adhesive formulation or sealant formation. A kit-of-parts can contain the siloxane compound. A corresponding method can be used to synthesize the siloxane agent.

In some aspects, the present disclosure pertains to multi-arm polymers that comprise a core and a plurality of polymer segments having a first end that is covalently attached to the core and (a) a second end comprising a moiety that comprises a reactive end group, wherein the polymer segments comprise one or more hydrophilic aprotic NMP-polymerizable monomers, and wherein the reactive multi-arm polymer comprises nitroxide radicals or (b) a second end comprising a moiety that comprises an alkoxyamine group, wherein the core is a polyol residue, and wherein the polymer segments comprise one or more NMP-polymerizable monomers. In some aspects, the present disclosure pertains to a multifunctional alkoxyamine molecule comprising a core and a plurality of alkoxyamine groups covalently attached to the core, wherein the core is a polyol residue.