Abstract: Described is a process for producing SiOC-bonded polyether siloxanes branched in the siloxane portion from cyclic branched siloxanes of the D/T type, wherein said process comprises in a first step reacting the mixtures of cyclic branched siloxanes of the D/T type with acetic anhydride optionally in admixture with simple siloxane cycles under acid catalysis to afford acetoxy-bearing branched siloxanes, in a second step performing the equilibration of the acetoxy-modified branched siloxane with superacid, preferably with addition of acetic acid and in a third step reacting the superacid-treated acetoxysiloxane with polyetherols optionally in the presence of bases and optionally in the presence of an inert solvent.

Abstract: SiOC-bonded polyether siloxanes are produced by transesterification of alkoxysiloxanes with polyetherols in the presence of trifluoromethanesulfonate as catalyst. The computational total water content of the reactants including alkoxysiloxanes and polyetherols is ?5000 ppm by mass, advantageously ?300 ppm by mass, preferably ?150 ppm by mass, more preferably ?100 ppm by mass, in particular ?50 ppm by mass. The determination of the individual water contents is performed beforehand, preferably by titration according to Karl Fischer.

Abstract: The present invention is a mono-functional branched organosiloxane compound that is liquid and shown by the following general formula (1) Ma-1MRa-2Db-1DRb-2Tc-1TRc-2Qd-1??(1) wherein M=R13SiO0.5, MR=R12R2SiO0.5, D=R12SiO, DR=R2R1SiO, T=R1SiO1.5, TR=R2SiO1.5, and Q=SiO2, where R1 represents a group selected from an alkyl group having 1 to 30 carbon atoms, and so on, R2 represents a hydrogen atom, and so on, a-1 represents an integer of 1 or more, b-1 and c-1 each represent an integer of 0 or more, and a-2, b-2, c-2, and d-1 each represent 0 or 1, provided that c-1, c-2, and d-1 are not simultaneously 0, a total of a-2, b-2, and c-2 is 1, and when b-1 is 0, a-1 is 2 or more and a total of c-1 and d-1 is 1 or more. There can be provided a novel mono-functional branched organosiloxane compound having a branched structure, and a method for producing the same.

Abstract: The present disclosure relates to compositions of matter comprising synthetic blends of at least two feedstocks that produce a distribution of fluorinated polyhedral oligomeric silsesquioxane compounds. The present disclosure also relates to methods of making such fluorinated polyhedral oligomeric silsesquioxane compounds from such synthetic blends. The present disclosure also relates to uses of such fluorinated polyhedral oligomeric silsesquioxane compounds.

Abstract: The present invention relates to a process of making a polymerizable hybrid polysiloxane or a polymerizable hybrid siloxane. The process includes reacting an organopolysiloxane or organosiloxane having an average of at least 3 silicon hydride (SiH) groups per molecule, a polyoxyethylene, and a catalyst. The process also optionally includes adding a stabilizer, a catalytic inhibitor, a solvent, and an unsaturated reactant selected from substituted and unsubstituted unsaturated organic compounds.

Abstract: The present invention relates to a manufacturing method for an organopolysiloxane-polyoxyalkylene block copolymer obtained by condensation reaction of a polyoxyalkylene compound having a particular chemical structure and an organopolysiloxane having a particular chemical structure. The manufacturing method according to the present invention can enable an easy manufacturing of a high molecular weight organopolysiloxane-polyoxyalkylene block copolymer and provide an organopolysiloxane-polyoxyalkylene block copolymer where an amount of volatile cyclic polysiloxane produced as a by-product is small.

Abstract: The subject of the invention is the method of synthesis of fluoracarbofunctional cage silsesquioxanes of the general formula in which•R1 stands for HCF2(CF2)n(CH2)mO(CH2)3Si(CH3)2O or HCF2(CF2)n(CH2)mO(CH2)3 group in which n=1-12, m=1-4;•R2, R3, R4, R5, R6, R7, R8 can be the same as R1 or different from it and stand all either for the (C1-C25) alkyl group or any aryl group, based on hydrosilylation of fluoroalkyl-allyl ether with an appropriate hydrogen-silsesquioxane in the presence of siloxide rhodium complex [{Rh(OSiMe3)(cod)}2] as a catalyst.

Abstract: The present invention is related to the preparation and use of moderately cross-linked (chin-extended), reverse (or “inverted”) surfactants, wherein the reverse surfactants comprise a polyether backbone with oligomeric or polymeric silicon-containing substitutions along the backbone. The present invention further describes crosslinked versions of the inverted surfactants, reaction products of alkenyl (allyl, vinyl, methallyl) functional copolymers (polyethers), silicone hydrides and cross-linking agents, which may be optionally reacted with water to react the remaining alkoxy groups. The crosslinking agent contains either SiH or Si-alkoxy groups or both. The compounds of the present invention exhibit only moderate cross-linking in order to be soluble or dispersible in appropriate solvents.

Abstract: The invention provides an organopolysiloxane shown by the following formula (1); such that each R1 independently represents a group selected from an alkyl group having 1 to 30 carbon atoms and optionally substituted with a fluorine atom, an aryl group having 6 to 30 carbon atoms, and an aralkyl group having 7 to 30 carbon atoms; each R2 independently represents a divalent organic group having 2 to 15 carbon atoms and optionally intervened with an oxygen atom; and each R3 independently represents a group selected from a polyoxyalkylene group shown by the following formula (2), —(C2H4O)a(C3H6O)b(C4H8O)c(C5H10O)dR4??(2) a hydrogen atom, and a group shown by the following formula (3), wherein at least one of R3 in one molecule is the polyoxyalkylene group shown by the formula (2) with “m” representing an integer of 0 to 300 and “n” representing an integer of 1 to 10.

Abstract: A silicone composition comprising a formula: (M1)a(D1)b(D2)c wherein M1=R1R2R3SiO1/2, D1=R4R5SiO2/2; and D2=R6R7SiO2/2; wherein R1 is independently at each occurrence a monovalent hydrocarbon radical comprising a reactive end-group other than an amino group; R6 comprises a monovalent poly(oxyalkyl)hydrocarbon radical; and R2, R3, R4, R5, and R7 are independently monovalent hydrocarbon radicals; wherein a, b, and c are stoichiometric subscripts that are zero or positive subject to the following limitations: a is greater than or equal to 2; c is greater than or equal to 1; and when b=0, a+c is greater than or equal to 3 is disclosed.

Abstract: Provided is a metal-oxide nanofiller including at least two graft chains, at least one of the chains being hydrophilic and the other being a hydrophobic chain compatible with fluorinated polymers. The hydrophobic chain is an oligomer, the weight-average molar mass Mw of which is between 300 and 20,000 g/mol?1. Also provided is a non-stick coating comprising such a filler, as well as to a culinary article provided with such a coating.

Abstract: The invention provides a silicon compound represented by the following general formula (A-1) or (A-2), wherein, R represents a hydrocarbon group having 1 to 6 carbon atoms, R1 and R2 represent an acid labile group, R3 represents a hydrogen atom or a monovalent organic group having 1 to 30 carbon atoms, k represents an integer of 1 or 2, m represents an integer of 0, 1, or 2, and n represents an integer of 0 or 1. There can be provided a resist underlayer film that can be applied not only to a resist pattern formed by a hydrophilic organic compound obtained in negative development but also to a resist pattern composed of a hydrophobic compound obtained in conventional positive development.

Abstract: A silicone composition comprising a formula: (M1)a(D1)b(D2)c wherein M1=R1R2R3SiO1/2; D1=R4R5SiO2/2; and D2=R6R7SiO2/2; wherein R1 is independently at each occurrence a monovalent hydrocarbon radical comprising a reactive end- group other than an amino group; R6 comprises a monovalent poly(oxyalkyl) hydrocarbon radical; and R2, R3, R4, R5, and R7 are independently monovalent hydrocarbon radicals; wherein a, b, and c are stoichiometric subscripts that are zero or positive subject to the following limitations: a is greater than or equal to 2; c is greater than or equal to 1; and when b=0, a+c is greater than or equal to 3 is disclosed.

Abstract: The present invention is related to the preparation and use of moderately cross-linked (chin-extended), reverse (or “inverted”) surfactants, wherein the reverse surfactants comprise a polyether backbone with oligomeric or polymeric silicon-containing substitutions along the backbone. The present invention further describes crosslinked versions of the inverted surfactants, reaction products of alkenyl (allyl, vinyl, methallyl) functional copolymers (polyethers), silicone hydrides and cross-linking agents, which may be optionally reacted with water to react the remaining alkoxy groups. The crosslinking agent contains either SiH or Si-alkoxy groups or both. The compounds of the present invention exhibit only moderate cross-linking in order to be soluble or dispersible in appropriate solvents.

Abstract: A coating composition comprising a Photocatalyst Composition comprising a photocatalyst and a pendent silyl ester group, wherein the photocatalyst produces singlet oxygen in the presence of light and ambient air. In certain embodiments, the coating composition further comprises a singlet oxygen scavenger.

Abstract: The invention relates to a process for grafting hydrolysable silane groups to a polyolefin, comprising reacting the polyolefin with an unsaturated silane, containing an olefinic —C?C— bond or acetylenic —C?C— bond and having at least one hydrolysable group bonded to Si, or a hydrolysate thereof, in the presence of means capable of generating free radical sites in the polymer. The silane contains an aromatic ring or a further olefinic double bond or acetylenic unsaturation, the aromatic ring or the further olefinic double bond or acetylenic unsaturation being conjugated with the olefinic —C?C— or acetylenic —C?C— unsaturation of the silane. The unsaturated silane may also contains electron-withdrawing moiety with respect to the olefinic —C?C— or acetylenic —C?C— bond. The invention permits to provide a silane-modified polyolefin having a high grafting efficiency while limiting/preventing polymer degradation by chain scission.

Abstract: Polyether alcohols having alkoxysilyl groups, the use thereof and a process for their preparation by means of DMC catalysis, characterized in that one or more epoxy-functional alkoxysilanes are added individually or in a mixture with further epoxide compounds and optionally further comonomers, either in block form or in random distribution, onto a chain starter of the formula (VII) R1—H(VII) having at least one reactive hydroxyl group, where R1 is a saturated or unsaturated, optionally branched radical, or a polyether radical of the alkoxy-, arylalkoxy or alkylarylalkoxy group type, in which the carbon chain may be interrupted by oxygen atoms or corresponds to a polyetheralkoxy radical or to a singularly or multiply fused phenolic group.

Abstract: The invention relates to glycerol-modified polyorganosiloxane compounds with high hydrophilicity and their use.

Abstract: Methods for forming a pattern in a lithography process for semiconductor wafer manufacturing are provided. In an example, a method includes forming a photoresist layer over a material layer; performing a first exposure process on the photoresist layer, thereby forming an exposed photoresist layer having soluble portions and unsoluble portions; treating the exposed photoresist layer, wherein the treating includes one of performing a second exposure process on the exposed photoresist layer and forming an adsorbing chemical layer over the exposed photoresist layer; and developing the exposed and treated photoresist layer to remove the soluble portions of the photoresist layer, wherein the unsoluble portions of the photoresist layer form a photoresist pattern that exposes portions of the material layer.

Abstract: The present invention relates to a one-terminal reactive organopolysiloxane further having a hydrophilic polyalkyleneoxide group at the omega-terminal and a method for its production. Thus, the present invention provides a one-terminal reactive organopolysiloxane which is characterized by having a polyalkyleneoxide at the omega-terminal, and composed of blocks arranged in the following order: A-B—C—Y wherein A is a monovalent polyalkyleneoxide group having an alkoxy group at a terminal, B is a substituted or unsubstituted divalent alkylene group, C is a divalent polysiloxane group, Y is a monovalent group selected from the group consisting of an alkyl group having a reactive group, a hydrogen atom, a styryl group and a trialkoxysiloxy group, and provides a method for the preparation thereof.

Abstract: Diallcoxysilane and monoalkoxysilane functionalized polymers were applied as scale control agents in Bayer process. The polymer inhibitors reduced the quantity of aluminum silicate scale formed in spent liquor while significantly changed the morphology of the scale. Also a method is provided for reducing aluminum silicate scale of Bayer process by adding the dialkoxysilane and monoalkoxysilane functionalized polymer into the Bayer liquor stream.

Abstract: The principal object of the invention is to provide a lithium salt having excellent ion conductivity. The invention solves the problem by providing a lithium salt having a structure represented by the general formula (1): in which “M” represents B, Si, Ge, P, As or Sb; “X” represents the valence of “M”; “R1” represents —CmH2m— whereupon “m” is an integer of 1 to 4; “R2” represents —CkH2k+1 whereupon “k” is an integer of 1 to 8; and “n” represents 0 to 12.

Abstract: The subject of the invention is the method of synthesis of fluoracarbofunctional cage silsesquioxanes of the general formula in which • R1 stands for HCF2(CF2)n(CH2)mO(CH2)3Si(CH3)2O or HCF2(CF2)n(CH2)mO(CH2)3 group in which n=1-12, m=1-4; • R2, R3, R4, R5, R6, R7, R8 can be the same as R1 or different from it and stand all either for the (C1-C25) alkyl group or any aryl group, based on hydrosilylation of fluoroalkyl-allyl ether with an appropriate hydrogen-silsesquioxane in the presence of siloxide rhodium complex [{Rh(OSiMe3)(cod)}2] as a catalyst.

Abstract: The electrolyte includes one or more salts and a silane. The silane has a silicon linked to one or more first substituents that each include a poly(alkylene oxide) moiety or a cyclic carbonate moiety. The silane can be linked to four of the first substituents. Alternately, the silane can be linked to the one or more first substituents and one or more second substituents that each exclude both a poly(alkylene oxide) moiety and a cyclic carbonate moiety.

Abstract: A compound of formula (I): wherein R represents a hydroxy substituted C24-C40 straight chain aliphatic group containing at least one double bond in the carbon chain; and at least one carbon in the chain is substituted with a hydroxy group. Such compounds are useful for detecting inflammation, inflammatory disorders and cancer in a subject, and can also be used in therapeutic applications including treatment and/or prevention of these conditions. Pharmaceutical compositions, combinations and supplements, as well as methods of treatment using the described compounds are therefore also described.

Abstract: The application relates to a reactive ceramic binder suitable for producing ceramic products from ceramic powder, characterized in that the reactive ceramic binder represents hydroxyl compounds which carry reactive silyl groups and can be additionally (poly)siloxane-substituted.

Abstract: A modified silicone polymer as an anti foam agent, its preparation and detergent formulations involving selective organopolysiloxane antifoam composition/agent for use as fabric wash detergent adapted for excellent antifoaming effect in rinsing cycle with preferred defoaming effect in washing cycles. The anti foam agent for detergent formulations and the like is directed to not only save huge amount of waste water but also help to preserve massive amount precious clean water for desirable favorable use and application. It would provide for detergent formulations and the like which would favor both the washing and rinsing cycles and make washing of clothes/fabrics more convenient and user friendly apart from taking care of avoiding unnecessary wastage of valuable water and saving the environment from unnecessarily wastage of water in hand wash and/or semi automatic machine washing and the like.

Abstract: Polymerizable siloxy-substituted silanes are obtained in high yield and purity by adding a substituted alkoxysilane to a mixture of disiloxane, acetic acid, sulfuric acid, and optionally an acidic catalyst, separating a product phase from an acidic phase, adding hexamethyldisilazane to the product phase and filtering off a resulting salt, followed by distillation.

Abstract: Compounds and methods that release 1-methylcyclopropene, 1-trifluoromethylcyclopropene, and other substituted cyclopropenes are disclosed. The compounds and methods overcome present limitations for storage, transportation, and application of the cyclopropene containing compounds by using light, including sunlight, and/or heat as the primary release trigger. Additional products released include innocuous gases and value added aryl-group compounds.

Abstract: The present invention relates to a one-terminal reactive organopolysiloxane further having a hydrophilic polyalkyleneoxide group at the omega-terminal and a method for its production. Thus, the present invention provides a one-terminal reactive organopolysiloxane which is characterized by having a polyalkyleneoxide at the omega-terminal, and composed of blocks arranged in the following order: A-B—C—Y wherein A is a monovalent polyalkyleneoxide group having an alkoxy group at a terminal, B is a substituted or unsubstituted divalent alkylene group, C is a divalent polysiloxane group, Y is a monovalent group selected from the group consisting of an alkyl group having a reactive group, a hydrogen atom, a styryl group and a trialkoxysiloxy group, and provides a method for the preparation thereof.

Abstract: A coating composition comprising a Photocatalyst Composition comprising a photocatalyst and a pendent silyl ester group, wherein the photocatalyst produces singlet oxygen in the presence of light and ambient air. In certain embodiments, the coating composition further comprises a singlet oxygen scavenger.

Abstract: Methods are provided for preparing aromatic silicon-containing compounds. The methods include providing an aromatic starting material; reacting the aromatic starting material with a base to form an aromatic salt; and reacting the aromatic salt with a halo-alkylene-silane to form an aromatic silicon-containing compound. Compositions prepared by these methods, protective layers that include hydrolysis and condensation products of such compositions, electrophotographic photoreceptors that include such protective layers, and image forming apparatuses that include such electrophotographic photoreceptors are also provided. In addition, method for preparing electrophotographic photoreceptors that include protective layers including hydrolysis and condensation products of aromatic silicon-containing compounds prepared by the methods for preparing aromatic silicon-containing compounds are provided.

Abstract: A coating composition is provided which includes an adhesion promoter or a crosslinker silane which, upon hydrolysis, of its hydrolyzable sites, produces a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups.

Abstract: The invention aims at providing a process of subjecting a polyether polymer containing a double metal cyanide complex and/or residue compounds thereof as the metallic impurities to extraction with water to thereby remove the metallic impurities, which enables simpler and complete removal of the impurities; and polyether polymers obtained by the process. This aim is attained by a process for the purification of polyethers characterized by blending (A) a polyether containing a double metal cyanide complex and/or residue compounds thereof with ascorbic acid or a derivative thereof and water and then removing the aqueous phase from the resulting mixture to thereby remove the double metal cyanide and/or the residue compounds.

Abstract: Materials and a method are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR?)3 (where R? is H, an alkyl group, Na, K, or NH4) are used to control aluminosilicate scaling in an industrial process having an alkaline process stream such as a pulping mill process stream or a high level nuclear waste processing plant. When materials of the present invention are added to the alkaline process stream, they reduce and even completely prevent formation of aluminosilicate scale on equipment surfaces such as evaporator walls and heating surfaces. The present materials are effective at treatment concentrations that make them economically practical.

Abstract: The principal object of the invention is to provide a lithium salt having excellent ion conductivity. The invention solves the problem by providing a lithium salt having a structure represented by the general formula (1): in which “M” represents B, Si, Ge, P, As or Sb; “X” represents the valence of “M”; “R1” represents —CmH2m— whereupon “m” is an integer of 1 to 4; “R2” represents —CkH2k+1 whereupon “k” is an integer of 1 to 8; and “n” represents 0 to 12.

Abstract: Problem to be Solved To provide an ophthalmic lens, which can be more safely worn, that is, to provide a material, which is transparent and has high oxygen permeability and a high hydrophilic property, and to provide a novel monomer to be a raw material thereof. Solution A hydrophilic polysiloxane macromonomer contains polyoxyethylene as a hydrophilic side chains in a polysiloxane main chain, wherein transparency, oxygen permeability, and hydrophilic properties of the material are controlled by regulating the length of the polysiloxane main chain, the length of the hydrophilic polyoxyethylene side chains, and the number of the side chains.

Abstract: The invention concerns lipids functionalized with a terminal C?C double bond which can be transformed into an anchor group for binding to a substrate surface. The invention further concerns lipids comprising such an anchor group for binding to a substrate surface. The invention also concerns self-assembled monolayers of lipids on substrates, in particular on silicon oxide substrates. The lipids and the lipid monolayers or bilayers containing these lipids can be used to produce biomimetic supported membrane systems. These membrane systems can be directly anchored on silicon microelectronic devices. After the optional incorporation of functional molecules such as membrane-associated proteins such systems can used for applications such as model systems for examining biological membranes, screening methods, sensors and bioelectronic devices such as biocomputers.

Abstract: Disclosed is a method for activating a solid support material with epoxy groups and for immobilising ligands thereon, utilising phase transfer catalytic conditions. The method permits the introduction of epoxy groups and specific nucleophilic ligands on the support material with a high level of substitution. Furthermore, the invention provides a general method for immobilising a ligand for use in a wide variety of chromatographic separation procedures such as ion exchange chromatography, hydrophobic interaction chromatography (HIC), reverse phase chromatography (RPC), or affinity chromatography.

Abstract: Fluorinated organosilicon compounds having formula (1) wherein Rf is a perfluoroalkyl group containing at least one ether bond, Q is a polyether group in the form of a homopolymer chain of ethylene glycol or propylene glycol or a copolymer chain of both, R is hydrogen or alkyl, X is a divalent linking group exclusive of oxygen atom, Y is a divalent linking group, p is an integer of at least 3, and n is a number of 0<n<3 have an excellent surface tension reducing ability and can be produced with ease of molecular weight control while minimizing formation of solvent-insoluble components. These compounds are safe to the human body and useful as a surfactant.

Abstract: The invention relates to novel silane compounds corresponding to the following formula (I): A-E-X??(I) in which: X represents a silylated group which makes possible the covalent attachment of the silane compound to the hydroxyl or hydride functional groups of a support; E represents an organic spacer group; A represents a group capable of releasing an —OH functional group by acid hydrolysis, the said —OH functional group, after the said hydrolysis, being covalently bonded to E. Use of these silane compounds for functionalizing solid supports and for immobilizing biological molecules on these supports.

Abstract: Organic electrolyte solutions and lithium batteries using the same are provided. The organic electrolyte solutions use a silane compound that prevents crack formation caused by volumetric changes in the anode active material during battery charging/discharging. This improves charge/discharge characteristics, thereby also improving stability, reliability, and charge/discharge efficiency of the battery.

Abstract: This invention relates to the reversible protection of hydroxy-silane functional groups by acid cleavable protecting groups. The development of reversible protecting groups greatly enhances the current utility of silanes while introducing further novel applications. For instance, reversibly protected silanes are of particular value in applications where room temperature cure and/or adhesion is of value, such as coatings, high resolution imaging, caulks, adhesives, sealants, gaskets, and silicones. Reversibly protected silanes can also be beneficially used in reticulating agents, and in sizing agents, tires, and release coatings. The incorporation of reversibly protected silanes into coating resins is of particular value. The reversibly protected silane can be incorporated into the coating resin by polymerizing a monomer containing the reversibly protected silane into the resin or by post-addition into the coating formulation.

Abstract: This invention relates to the reversible protection of hydroxy-silane functional groups by acid cleavable protecting groups. The development of reversible protecting groups greatly enhances the current utility of silanes while introducing further novel applications. For instance, reversibly protected silanes are of particular value in applications where room temperature cure and/or adhesion is of value, such as coatings, high resolution imaging, caulks, adhesives, sealents, gaskets, and silicones. Reversibly protected silanes can also be beneficially used in reticulating agents, and in sizing agents, tires, and release coatings. The incorporation of reversibly protected silanes into coating resins is of particular value. The reversibly protected silane can be incorporated into the coating resin by polymerizing a monomer containing the reversibly protected silane into the resin or by post-addition into the coating formulation.

Abstract: This invention relates to the reversible protection of hydroxy-silane functional groups by acid cleavable protecting groups. The development of reversible protecting groups greatly enhances the current utility of silanes while introducing further novel applications. For instance, reversibly protected silanes are of particular value in applications where room temperature cure and/or adhesion is of value, such as coatings, high resolution imaging, caulks, adhesives, sealents, gaskets, and silicones. Reversibly protected silanes can also be beneficially used in reticulating agents, and in sizing agents, tires, and release coatings. The incorporation of reversibly protected silanes into coating resins is of particular value. The reversibly protected silane can be incorporated into the coating resin by polymerizing a monomer containing the reversibly protected silane into the resin or by post-addition into the coating formulation.

Abstract: This invention relates to the reversible protection of hydroxy-silane functional groups by acid cleavable protecting groups. The development of reversible protecting groups greatly enhances the current utility of silanes while introducing further novel applications. For instance, reversibly protected silanes are of particular value in applications where room temperature cure and/or adhesion is of value, such as coatings, high resolution imaging, caulks, adhesives, sealents, gaskets, and silicones. Reversibly protected silanes can also be beneficially used in reticulating agents, and in sizing agents, tires, and release coatings. The incorporation of reversibly protected silanes into coating resins is of particular value. The reversibly protected silane can be incorporated into the coating resin by polymerizing a monomer containing the reversibly protected silane into the resin or by post-addition into the coating formulation.

Abstract: This invention relates to the reversible protection of hydroxy-silane functional groups by acid cleavable protecting groups. The development of reversible protecting groups greatly enhances the current utility of silanes while introducing further novel applications. For instance, reversibly protected silanes are of particular value in applications where room temperature cure and/or adhesion is of value, such as coatings, high resolution imaging, caulks, adhesives, sealents, gaskets, and silicones. Reversibly protected silanes can also be beneficially used in reticulating agents, and in sizing agents, tires, and release coatings. The incorporation of reversibly protected silanes into coating resins is of particular value. The reversibly protected silane can be incorporated into the coating resin by polymerizing a monomer containing the reversibly protected silane into the resin or by post-addition into the coating formulation.

Abstract: This invention relates to the reversible protection of hydroxy-silane functional groups by acid cleavable protecting groups. The development of reversible protecting groups greatly enhances the current utility of silanes while introducing further novel applications. For instance, reversibly protected silanes are of particular value in applications where room temperature cure and/or adhesion is of value, such as coatings, high resolution imaging, caulks, adhesives, sealents, gaskets, and silicones. Reversibly protected silanes can also be beneficially used in reticulating agents, and in sizing agents, tires, and release coatings. The incorporation of reversibly protected silanes into coating resins is of particular value. The reversibly protected silane can be incorporated into the coating resin by polymerizing a monomer containing the reversibly protected silane into the resin or by post-addition into the coating formulation.

Abstract: A silane compound of the following formula (1) having two or more protected functional groups A-R—Si(CH3)nX3-n??(1) wherein A represents a group of the following formula wherein R1, R2 and R3 each independently represent a monovalent hydrocarbon group having 1 to 10 carbon atoms, a is an integer of 1 to 10, and b is an integer of 1 to 10, or wherein R1, R2 and R3 are as defined above, R represents a linear or branched, divalent hydrocarbon group having 2 to 10 carbon atoms, X represents a halogen atom or an organoxy group having 1 to 10 carbon atoms, and n is 0, 1 or 2 is prevented from the reaction of the functional groups per self when undergoing modification or treatment. When the protection is removed after introduction of the protected functional groups, quantitative and efficient introduction of the two or more functional groups is ensured, resulting in more developed effects of modification and addition.

Abstract: This invention relates to the reversible protection of hydroxy-silane functional groups by acid cleavable protecting groups. The development of reversible protecting groups greatly enhances the current utility of silanes while introducing further novel applications. For instance, reversibly protected silanes are of particular value in applications where room temperature cure and/or adhesion is of value, such as coatings, high resolution imaging, caulks, adhesives, sealents, gaskets, and silicones. Reversibly protected silanes can also be beneficially used in reticulating agents, and in sizing agents, tires, and release coatings. The incorporation of reversibly protected silanes into coating resins is of particular value. The reversibly protected silane can be incorporated into the coating resin by polymerizing a monomer containing the reversibly protected silane into the resin or by post-addition into the coating formulation.