Disclosed is a polymetalloxane including a constituent unit represented by the following general formula (1), which stably exists in a transparent and uniform state in a solution and can form a homogeneous cured film: ##STR00001##
wherein R.sup.1 is an organic group and at least one of R.sup.1 is an (R.sup.3.sub.3SiO—) group, R.sup.3 is optionally selected from specific groups, R.sup.2 is optionally selected from specific groups, when plural R.sup.1, R.sup.2, and R.sup.3 exist, they may be the same or different, M represents a specific metal atom, m is an integer indicating a valence of a metal atom M, and a is an integer of 1 to (m−2).

Provided is a silane coupling agent with a low viscosity, excellent applicability, and excellent effect of improving adhesion between inorganic matter and organic matter. The silane coupling agent of the present disclosure contains a silicon compound below and water, having a concentration of the silicon compound of from 0.01 to 10 wt.%, the silicon compound: containing a compound (I) represented by Formula (1) and a polycondensate of the compound (I), wherein a ratio of contents of the compound (I) to a compound (II), [compound (I)/compound (II); weight ratio], the compound (II) being a polycondensate of the compound (I) and having a weight average molecular weight of from 200 to 10000 calibrated with a polystyrene standard, is from 1/99 to 95/5.

##STR00001##

Materials which react with (“scavenge”) sulfur compounds, such as hydrogen sulfide and mercaptans, are useful for limiting sulfur-induced corrosion. Surface-modified particles incorporating a hexahydrotriazine moiety are disclosed and used as sulfur scavengers. These surface-modified particles are used a filter media in fixed filter systems and as additives to fluids including sulfur compounds. The hexahydrotriazine moiety can react with sulfur compounds in such a manner as to bind sulfur atoms to the surface-modified particles, thus allowing removal of the sulfur atoms from fluids such as crude oil, natural gas, hydrocarbon combustion exhaust gases, sulfur polluted air and water. The surface-modified particles may, in general, be sized to allow separation of the particles from the process fluid by sedimentation, size-exclusion filtration or the like.

The invention provides a composition and method for improving the selectivity of nitride etching versus oxide etching and can be used with conventional phosphoric acid wet etch compositions. The invention describes additives that serve to inhibit silicon, oxides, and related compounds regrowth (i.e., redeposition) on the silicon oxide surface. In certain embodiments, the invention provides certain amino-substituted aryl compounds which are bound to a tri-alkoxy silane.

A branched organosilicon compound (“compound”) having the general formula (R1).sub.3Si—X—Y is provided. In the formula: each R.sup.1 is selected from R and —OSi(R.sup.4)3, with the proviso that at least one R.sup.1 is —OSi(R.sup.4)3; each R is independently a substituted or unsubstituted hydrocarbyl group; each R.sup.4 is selected from R, —OSi(R.sup.5)3, and —[OSiR.sub.2]mOSiR.sub.3; each R.sup.5 is selected from R, —OSi(R.sup.6)3, and —[OSiR.sub.2]mOSiR.sub.3; each R.sup.6 is selected from R and —[OSiR.sub.2]mOSiR.sub.3; with the proviso that at least one of R.sup.4, R.sup.5 and R.sup.6 is —[OSiR.sub.2]mOSiR.sub.3; 0<m≤100; X is a divalent linking group; and Y is selected from one of formulas (1)-(111) described herein. Also provided is a method of preparing the compound via hydrosilylation reaction, a copolymer comprising the reaction product of the compound and a second compound reactive with the compound, a method of forming the copolymer, and a composition including at least one of the compound and the copolymer.

A light-emitting material including aminosiloxane and a light-emitting compound represented by Formula 1, a light-emitting device including the light-emitting material, a method of preparing the light-emitting material, and a method of preparing the light-emitting compound represented by Formula 1:

A.sup.1B.sup.1X.sup.1.sub.3,  Formula 1 wherein A.sup.1 may be an alkali metal, B.sup.1 may be Pb, Sn, or any combination thereof, and X.sup.1 may be a halogen.

Ethylbenzyl chloride quats (EB quats) and their related salts. The synthesis of EB quats requires minimal capital requirements, produces products in good yields, without difficult to dispose of waste and in a cost-effective manner. The preferred embodiment of the invention is to perform a condensation reaction of a linear or branched, saturated or unsaturated fatty acid, of between 2 and 22 carbons with an amine that has either a primary amine and tertiary amine or a secondary amine and tertiary amine. An example is dimethylaminopropylamine (DMAPA). The amido amine that results from the condensation reaction described is then reacted with ethyl benzyl chloride (EBC) to produce the desired EB quat. Additional processing, such as ion exchange can be performed to eliminate the chlorine or substitute it for another anionic species, organic or inorganic.

To provide an electrochromic compound, represented by the following general formula (I): ##STR00001##
where X.sub.1, X.sub.2, X.sub.3, X.sub.4, X.sub.5, X.sub.6, X.sub.7 and X.sub.8 are each independently a hydrogen atom or a monovalent substituent; R.sub.1 and R.sub.2 are each independently a monovalent substituent; A.sup.− and B.sup.− are each independently a monovalent anion; and Y is represented by the following general formula (II) or (III): ##STR00002##
where X.sub.9, X.sub.10, X.sub.11, X.sub.12, X.sub.13, X.sub.14, X.sub.15, X.sub.16, X.sub.17, and X.sub.18 are each independently a hydrogen atom or a monovalent substituent.

Are provided a novel organic-inorganic complex showing excellence in ultraviolet (UV) blocking effects, a manufacturing method thereof, and an UV blocking agents manufactured by using the same, and more specifically, there are provided a novel organic-inorganic complex capable of making up for the disadvantages of existing organic UV sunscreen materials and existing inorganic UV sunscreen materials, and increasing the advantages thereof, and a method of effectively manufacturing the organic-inorganic complex with a high yield of production, and an UV blocking agents manufactured by using the same.

A method for making an oil- and water-resistant nanocomposite material includes preparing F-doped TiO.sub.2 nanorods, dispersing the F-doped TiO.sub.2 nanorods into a transparent adhesive to obtain a nanocomposite adhesive, and treating a surface of the nanocomposite adhesive to roughen the surface and expose some of the F-doped TiO.sub.2 nanorods. A transparent nanocomposite material suitable for use as transparent packaging for example is thereby obtained. The present disclosure also provides the nanocomposite material, and an encapsulating structure using the nanocomposite material.