Provided is a method for generating hydrogen at a desired rate, using a hydrogen storage material that can be stored and transported safely and inexpensively. The method according to the present invention for producing a silanol compound and hydrogen includes subjecting a hydrosilane compound and water to a reaction with each other in the presence of a solid catalyst to give a silanol compound and hydrogen. The solid catalyst includes hydroxyapatite and gold particles supported on the hydroxyapatite, where the gold particles have an average particle size of 2.5 nm or less. The reaction in the method according to the present invention for producing a silanol compound and hydrogen is preferably performed in an air atmosphere. The reaction in the method according to the present invention for producing a silanol compound and hydrogen can be performed with application of substantially no heat and no activated energy rays.

The tris(trimethylsilyl)silanol (H-SST) ligand can be reacted with a Group 4 or 5 metal alkoxides in a solvent to form an SST-modified metal alkoxide precursor. Exemplary Group 4 precursors include [Ti(SST).sub.2(OR).sub.2] (OR=OPr.sup.i, OBu.sup.t, ONep); [Ti(SST).sub.3(OBu.sup.n)]; [Zr(SST).sub.2(OBu.sup.t).sub.2(py)]; [Zr(SST).sub.3(OR)] (OR=OBu.sup.t, ONep); [Hf(SST).sub.2(OBu.sup.t).sub.2]; and [Hf(SST).sub.2(ONep).sub.2(py).sub.n] (n=1, 2), where OPr.sup.i=OCH(CH.sub.3).sub.2, OBu.sup.t=OC(CH.sub.3).sub.3, OBu.sup.n=O(CH.sub.2).sub.3CH.sub.3, ONep=OCH.sub.2C(CH.sub.3).sub.3, and py=pyridine. Exemplary Group 5 precursors include [V(SST).sub.3(py).sub.2]; [Nb(SST).sub.3(OEt).sub.2]; [Nb(O)(SST).sub.3(py)]; 2[H][(Nb(-O).sub.2(SST)).sub.6(.sub.6-O)]; [Nb.sub.8O.sub.10(OEt).sub.18(SST).sub.2.Na.sub.2O]; [Ta(SST)(-OEt)(OEt).sub.3].sub.2; and [Ta(SST).sub.3(OEt).sub.2]; where OEt=OCH.sub.2CH.sub.3. When thermally processed, the precursors can form unusual core-shell nanoparticles. For example, HfO.sub.2/SiO.sub.2 core/shell nanoparticles have demonstrated resistance to damage in extreme irradiation and thermal environments.

An elastomeric composition is based on at least a diene elastomer, an inorganic filler as reinforcing filler and a monohydroxysilane polysulfide as coupling agent of formula (I): (HO)(R.sup.1).sub.2SiCH.sub.2(R.sup.2)CHZS.sub.xZHC(R.sub.2)CH.sub.2Si(R.sup.1).sub.2(OH) (I), in which: each R.sup.1 represents a monovalent hydrocarbon group having from 1 to 18 carbon atoms and can be the same or different from one another; each R.sup.2 represents a monovalent hydrocarbon group having from 1 to 4 carbon atoms and can be the same or different from one another; each Z represents a divalent hydrocarbon bonding group comprising from 1 to 16 carbon atoms can be the same or different from one another; and x is an integral or fractional number greater than or equal to 2.

It is an object of the present invention to provide an electrolytic solution having high oxidation decomposition potential, where dissolution and deposition of magnesium proceed repeatedly and stably, using a non-nucleophilic alkoxide-type magnesium salt. The present invention relates to (1) an electrolytic solution for a magnesium battery comprising a mixture of a compound represented by the following general formula (I), a Lewis acid and a solvent: ##STR00001## (2) an electrochemical device comprising the electrolytic solution, a positive electrode and a negative electrode, and (3) a compound represented by the following general formula (I): ##STR00002##

##STR00001##

where R.sup.1 is a C1-18 alkyl group, a C1-18 halogenated alkyl group, or a phenyl group that may include a substituent, R.sup.2 is a C1-18 alkyl group, a C1-18 halogenated alkyl group, a C1-18 alkoxy group, or a phenyl group that may include a substituent, where R.sup.1 and R.sup.2 may be linked together to form a ring, Y is a halogen atom, a C1-18 alkyl group, a C1-18 halogenated alkyl group, or a phenyl group that may include a substituent, m is an integer of 0 to 5, where Ys may be identical or different when m is 2 or more, and n is an integer of 1 to 3.

Described herein in part are silanol based therapeutic payloads comprising a silanol terminus, a divalent spacer moiety, and a drug moiety capable of effecting a target cell or tissue.

The purpose of the present invention is to provide silanol compounds that can be used as raw materials of siloxane compounds and the like, and a composition of the silanol compounds, as well as to provide a production method that makes it possible to produce silanol compounds at excellent yield. A composition comprising 5 mass % to 100 mass % of a silanol compound represented by Formulas (A) to (C) can be prepared by devising to produce silanol compounds under water-free conditions, to produce silanol compounds in a solvent having the effect of suppressing the condensation of silanol compounds, and to perform other such processes, the composition being able to be used as a raw material or the like of siloxane compounds because the silanol compounds can be stably present in the resulting composition. ##STR00001##

Laminated articles are provided including a porous fibrous nonwoven matrix and guanidine-functionalized metal silicate particles enmeshed within the porous fibrous nonwoven matrix. The laminated articles further include a first substrate and a second substrate sealed to the first substrate. Methods of making laminated articles and methods of using laminated articles are also provided.

The present invention provides a method for producing a silanol compound capable of efficiently producing a silanol compound. The method for producing a silanol compound includes a proton exchange step of forming a silanol compound having a structure represented by following formula (c) by reacting a silicate having a structure represented by following formula (a) with an acidic compound having an acid dissociation constant pK.sub.a of ?1 to 20 in dimethyl sulfoxide (DMSO). ##STR00001##
(In formula (a), Q.sup.i+ represents an i-valent cation and i represents an integer of 1 to 4).

Described herein in part are silanol based therapeutic payloads comprising a silanol terminus, a divalent spacer moiety, and a drug moiety capable of effecting a target cell or tissue.