A heat exchanger coating composition includes an aqueous dispersion having a water-repellent resin containing spherical particles with an average particle size of 2 μm or more and 50 μm or less.

Provided is an antibacterial liquid with excellent temporal stability in which caking due to sedimentation of solid components does not occur and with which a film capable of stably maintaining antibacterial properties can be formed, in a case of being formed into a film. Also provided are an antibacterial film formed using the antibacterial liquid, and a spray and a cloth including the antibacterial liquid. The antibacterial liquid includes an antibacterial microparticle, a binder, and a solvent, in which the antibacterial microparticle contains a silver-supporting inorganic oxide, the binder includes at least one compound having a siloxane bond, the solvent includes an alcohol and water, the concentration of solid contents is less than 5% by mass with respect to the total mass of the antibacterial liquid, and the content of the compound having a siloxane bond is 60% by mass or more with respect to the total solid content of the antibacterial liquid.

Provided is an antibacterial liquid with excellent temporal stability in which caking due to sedimentation of solid components does not occur and with which a film capable of stably maintaining antibacterial properties can be formed, in a case of being formed into a film. Also provided are an antibacterial film formed using the antibacterial liquid, and a spray and a cloth including the antibacterial liquid. The antibacterial liquid includes an antibacterial microparticle, a binder, and a solvent, in which the antibacterial microparticle contains a silver-supporting inorganic oxide, the binder includes at least one compound having a siloxane bond, the solvent includes an alcohol and water, the concentration of solid contents is less than 5% by mass with respect to the total mass of the antibacterial liquid, and the content of the compound having a siloxane bond is 60% by mass or more with respect to the total solid content of the antibacterial liquid.

A gas extraction system comprising a heater configured to receive a wellbore servicing fluid sample and discharge a heated wellbore servicing fluid sample, wherein the heater comprises an internal heat exchange surface coated with a superhydrophobic coating composition; a gas extractor configured to receive at least a portion of the heated wellbore servicing fluid sample and extract an extracted gas from the heated wellbore servicing fluid sample; and one or more detectors configured to receive at least a portion of the extracted gas and provide an analysis of the extracted gas.

A gas extraction system comprising a heater configured to receive a wellbore servicing fluid sample and discharge a heated wellbore servicing fluid sample, wherein the heater comprises an internal heat exchange surface coated with a superhydrophobic coating composition; a gas extractor configured to receive at least a portion of the heated wellbore servicing fluid sample and extract an extracted gas from the heated wellbore servicing fluid sample; and one or more detectors configured to receive at least a portion of the extracted gas and provide an analysis of the extracted gas.

Process for making a cathode comprising the following steps (a) Providing a cathode active material selected from layered lithium transition metal oxides, lithiated spinels, lithium transition metal phosphate with olivine structure, and lithium nickel-cobalt aluminum oxides, (b) treating said cathode active material with an oligomer bearing units according to general formula (I a),

##STR00001## wherein R.sup.1 are the same or different and selected from hydrogen and C.sub.1-C.sub.4-alkyl, aryl, and C.sub.4-C.sub.7-cycloalkyl, R.sup.2 and R.sup.3 are selected independently at each occurrence from phenyl and C.sub.1-C.sub.8-alkyl, C.sub.4-C.sub.7-cycloalkyl, C.sub.1-C.sub.8-haloalkyl, OPR.sup.1(O)—*, and —(CR.sup.9.sub.2).sub.p—Si(R.sup.2).sub.2—* wherein one or more non-vicinal CR.sup.9.sub.2-groups may be replaced by oxygen, R.sup.9 is selected independently at each occurrence from H and C.sub.1-C.sub.4-alkyl, and p is a variable from zero to 6, and wherein the overall majority of R.sup.2 and R.sup.3 is selected from C.sub.1-C.sub.8-alkyl, and, optionally, at least one of carbon in electrically conductive form and, optionally, a binder, (c) applying a slurry of said treated cathode active material to a current collector, and (d) at least partially removing solvent used in step (c).

A cyclic silazane compound having an alkoxysilyl group, represented by the following general formula (1):

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.5 and R.sup.6 each independently represent an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, R.sup.3 represents a divalent hydrocarbon group having 4 to 20 carbon atoms, which may contain a sulfur atom, an ester bond or a urea bond, R.sup.4 represents a hydrogen atom or an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, m is 0 or 1, and n is 0, 1 or 2.

An anti-fouling silicone composite sheet includes a substrate layer, and a silicone adhesive layer stacked on one surface of the substrate layer, and has a hardness of 5 or less measured with an Asker C hardness tester and an adhesive force of 5 N/25 mm or more with respect to a mortar test piece, in which a surface of the substrate layer which is located on a side opposite to the surface where the silicone adhesive layer is stacked is a surface anti-fouling-treated with a silicone hard coating agent containing a fluorine-containing silicone compound. An anti-fouling silicone composite sheet is capable of exhibiting anti-fouling performance and washability stably for a long period, easily attachable to an adherend, and followable even to cracking and shifting on the application surface; and a method for preventing graffiti by using the anti-fouling silicone composite sheet.

An object of the present invention is to provide a silicon oligomer having a novel function that has not been achieved by a conventional condensation product of water and a tetraalkoxysilane. Provided are a silicon oligomer represented by the following formula (I) and a production method therefor:

##STR00001## wherein R.sub.1 to R.sub.10 each independently is an alkyl group or a hydroxyalkyl group, each having 1 to 4 carbon atoms; X.sub.1 to X.sub.3 each independently is a group represented by the following formula (II); n is 0 or 1; and m is an integer of 1 to 3 when n is 0, and m is 1 when n is 1:

##STR00002## wherein A is an alkylene group having 2 to 4 carbon atoms which may be branched, and 1 is an integer of 1 to 3.

A water/oil repellent treatment agent which includes a specific polymer-modified silane having a fluorooxyalkylene structure on the main chain and a hydrolyzable group at the end of the molecular chain, and/or a partial (co)hydrolyzate/condensate thereof, has a percent weight loss following one hour of exposure at 250° C. of 10% or less. The treatment forms a layer having excellent water and oil repellency, scuff resistance and mold release properties even when heated to 250° C. or more.