C08G77/06

COMPOSITION FOR PREPARING A RELEASE COATING

A composition for forming a release coating is disclosed. The composition comprises (A) an organopolysiloxane comprising the reaction product of: (i) a silicone resin having a particular formula; (ii) a cyclic siloxane; and (iii) (iii) at least one of (A)(iii) (a) a branched organopolysiloxane having a particular formula or (A)(iii)(b) a terminating agent; in the presence of a polymerization catalyst. The composition further comprises (B) an organopolysiloxane including an average of at least two silicon-bonded ethylenically unsaturated groups per molecule.

HYDROCARBYLOXYDISILANES
20220402943 · 2022-12-22 ·

A hydrocarbyloxydisilane according to formula (1)


Si.sub.2(OR).sub.xH.sub.6-x  (I)

wherein x is 1-5 and R is hydrocarbyl having from 1 to 10 carbon atoms, with the proviso that when x is 1, R is not methyl and when x is 3, formula (1) does not represent 1,1,2-trimethoxydisilane, and a method of making an hydrocarbyloxydisilane, the method comprising: causing the reaction of i) an hydrocarbylaminodisilane, and ii) an alcohol according to formula (II)


R.sup.2OH;  (II)

where R.sup.2 is hydrocarbyl having from 1 to 10 carbon atoms, to form a product mixture comprising the hydrocarbyloxydisilane.

HYDROCARBYLOXYDISILANES
20220402943 · 2022-12-22 ·

A hydrocarbyloxydisilane according to formula (1)


Si.sub.2(OR).sub.xH.sub.6-x  (I)

wherein x is 1-5 and R is hydrocarbyl having from 1 to 10 carbon atoms, with the proviso that when x is 1, R is not methyl and when x is 3, formula (1) does not represent 1,1,2-trimethoxydisilane, and a method of making an hydrocarbyloxydisilane, the method comprising: causing the reaction of i) an hydrocarbylaminodisilane, and ii) an alcohol according to formula (II)


R.sup.2OH;  (II)

where R.sup.2 is hydrocarbyl having from 1 to 10 carbon atoms, to form a product mixture comprising the hydrocarbyloxydisilane.

Coating Formulations
20220396919 · 2022-12-15 ·

Provided herein are coating formulations useful for endowing substrates with hydrophobic, superhydrophobic, and/or oleophobic properties and methods of use thereof. The coating formulation can include alkylalkoxysilane, 1H,1H,2H,2H-perfluorooctyltriethoxysilane, nano-SiO.sub.2, a crosslinking additive, and at least one solvent.

Coating Formulations
20220396919 · 2022-12-15 ·

Provided herein are coating formulations useful for endowing substrates with hydrophobic, superhydrophobic, and/or oleophobic properties and methods of use thereof. The coating formulation can include alkylalkoxysilane, 1H,1H,2H,2H-perfluorooctyltriethoxysilane, nano-SiO.sub.2, a crosslinking additive, and at least one solvent.

Water-repellent coating composition and water-repellent coating substrate coated therewith

A water-repellent coating composition, and particularly, a water-repellent coating composition having improved adhesion and durability by including a phosphoric acid or a phosphoric acid-based compound, is provided.

Method for producing carbinol-modified organosiloxane

A method for producing a carbinol-modified organosiloxane, which comprises steps (A) to (C), is an efficient production method whereby it becomes possible to reduce the production of a by-product of the reaction for the production of a terminal-carbinol-modified organosiloxane. (A) a step of supplying the following components (a) to (c) to a tubular reactor continuously: (a) an organohydrogensiloxane represented by formula (I) ##STR00001## (wherein R.sup.1's independently represent a monovalent hydrocarbon group having 1 to 20 carbon atoms; and m represents an integer of 0 to 500); (b) a compound represented by formula (II):
R.sup.2—Z—OH (wherein R.sup.2 represents a vinyl group or an allyl group; and Z represents a bivalent hydrocarbon group); and (c) a platinum catalyst in an amount of 0.005 ppm by mass or more and less than 1.0 ppm by mass in terms of metal platinum content relative to the total amount of the components (a) to (c); (B) a step of subjecting the components (a) to (c) to a hydrosilylation reaction while allowing these components to pass through the tubular reactor; and (C) a step of removing a reaction product.

Hybrid Crosslinked Polymer Membrane And Process For Fabricating The Same

A hybrid crosslinked polymeric membrane and a process for fabricating the same are provided. Specifically, the hybrid crosslinked polymer membrane comprises a glassy polymer and a ladder-structured polysilsesquioxane and has a crosslinked structure. The hybrid crosslinked polymer membrane can have an excellent permeability of carbon dioxide by virtue of an increase in the free volume and enhanced plasticization resistance, chemical resistance, and durability.

Method of making a halosiloxane

A method of producing a halosiloxane, the method comprising: combining water, a halosilane, and a first solvent, where the first solvent has a water solubility of >1.5 grams in 100 ml of solvent, to form a reaction mixture having a temperature above the melting point temperature of the solvent, partially hydrolyzing and condensing the halosilane to form a reaction product mixture comprising the halosiloxane, the solvent, a hydrogen halide and unreacted halosilane, and, optionally, adding a second solvent with a boiling point≥the boiling point of the halosiloxane to the reaction mixture or the reaction product mixture.

POROELASTIC MATERIALS, BIOSENSORS COMPRISING POROELASTIC MATERIALS, AND METHODS OF MAKING AND USING POROELASTIC MATERIALS AND BIOSENSORS
20220363860 · 2022-11-17 ·

Poroelastic materials, methods of making such materials, biosensors comprising such materials, and methods of making and using such biosensors. According to one aspect, a poroelastic material is formed by a process that includes depositing a prepolymer composition on a substrate, annealing the prepolymer composition in a pressurized steam environment at a temperature and for a duration sufficient to form a porous medium having a solid matrix formed of a polymer derived from the prepolymer composition, infiltrating the porous medium with a liquid that includes electrically conductive nanomaterials such that the electrically conductive nanomaterials are located within pores of the porous medium, and evaporating the liquid such that the electrically conductive nanomaterials remain in and/or connected through the pores of the porous medium.