Abstract: To provide a photosensitive siloxane composition capable of forming a pattern having a desired taper angle and a desired linewidth. [Means] The present invention provides a photosensitive siloxane composition comprising: a polysiloxane having a structure represented by the following formula (ia?): (L is an alkylene or phenylene), a photoactive agent, and a solvent.

Abstract: A receptacle includes: an elongate barrel section with an axial position p determined along an axis, the elongate barrel section extending from an axial position pA to an axial position pB; a side wall extending over the elongate barrel section and having an inner surface bordering an interior with a diameter; and a layer of a lubricant located on at least a part of the inner surface, a portion of the axis extends from a first axial position p1 to a second axial position p2; a mean thickness of the layer is determined in the portion; a position pm is the midpoint between p1 and p2; TA is a mean thickness of the layer for a section from p1 to pm; TB is a mean thickness of the layer for a section from pm to p2; a ratio TA:TB is in a range from 5:1 to 1:5.

Abstract: Core particles produced in situ or introduced as preformed core particles are coated with a layer of carbon. Non-carbon as well as some carbon-based core materials can be utilized. The resulting carbon coated particles can find applications in rubber products, for instance as reinforcement for tire components.

Abstract: A low-reflection film-coated transparent substrate of the present invention includes a transparent substrate and a low-reflection film formed on at least one principal surface of the transparent substrate. The low-reflection film is a porous film including: fine silica particles being solid and spherical and having an average particle diameter of 80 to 150 nm; and a binder containing silica as a main component, the fine silica particles being bound by the binder. The binder further contains an aluminum compound. The low-reflection film contains as components: 55 to 70 mass % of the fine silica particles; 25 to 40 mass % of the silica of the binder; 0.1 to 1.5 mass % of the aluminum compound in terms of Al2O3; and 0.25 to 3% of an organic component. The low-reflection film has a thickness of 80 to 800 nm. A transmittance gain is 2.

Abstract: A curable silicone composition encapsulates, coats, or adheres an optical semiconductor element. The curable silicone composition can form a cured product with sufficiently low gas-permeability, and with little weight decrease and little change in hardness even on long-term exposure to high temperatures. The curable silicone composition comprises resinous organopolysiloxane that contains at least one (Ar2SiO2/2) unit, wherein Ar denotes an aryl group.

Abstract: A thermoplastic elastomer composition comprising a blend of (A) thermoplastic materials comprising (A1) a polyamide block copolymer and (A2) one or more thermoplastic organic polymers excluding (A1), with (B) a silicone composition comprising (B1) a silicone base comprising (B1a) a diorganopolysiloxane polymer having a viscosity of at least 1000000 mPa·s at 25° C. and an average of at least 2 alkenyl groups per molecule, (B1b) a reinforcing filler in an amount of from 1 to 50% by weight of polymer (B1a), and (B2) an organohydrido silicone compound which contains an average of at least 2 silicon-bonded hydrogen groups per molecule, (C) a hydrosilylation catalyst, which composition may additionally optionally comprise (D) one or more additives; wherein the weight ratio (A):(B) is in the range 50:50 to 95:5, and wherein component B2 and C being present in an amount sufficient to cure said silicone composition B.

Abstract: An aqueous coating composition comprising an aqueous dispersion of polyurethane and a siloxane-based polyamide.

Abstract: A room-temperature-curable organopolysiloxane composition; a structure obtained from the composition; and a method for assessing the cured state of the composition are provided. The room-temperature-curable organopolysiloxane composition, which changes in color with the progress of curing from the uncured state, comprises the following ingredients: (A) 100 parts by mass of one or more organopolysiloxanes represented by formula (1) HO(SiR2O)nH??(1) and/or formula (2) (with variables as defined herein); (B) 0.1-50 parts by mass of an organosilicon compound having at least three silicon-atom-bonded hydrolyzable groups in the molecule, which is not any of ingredients (A), (C), and (D), and/or a product of the partial hydrolytic condensation of the organosilicon compound; (C) 0.01-20 parts by mass of a curing catalyst; (D) 0.1-10 parts by mass of a silane coupling agent; and (E) 0.01-10 parts by mass of a pH indicator.

Abstract: The invention relates to a curable composition, containing (A) at least one polyorganosiloxane, which has at least one hydroxy group bound to a silicon atom, (B) at least one silane of the formula (1): Si(R1)m(R2)n(R3)4?(m+n)??(1), as defined herein, (C) at least one aminosilane, and (D) at least one tin compound, wherein the composition is free of epoxysilane and the molar ratio of the aminosilane to the tin compound is 1:1 to 50:1, as well as to the preparation and use thereof.

Abstract: Core particles produced in situ or introduced as preformed core particles are coated with a layer of carbon. Non-carbon as well as some carbon-based core materials can be utilized. The resulting carbon coated particles can find applications in rubber products, for instance as reinforcement for tire components.

Abstract: A hot melt adhesive composition includes a polyolefin-polydiorganosiloxane block copolymer, a polydiorganosiloxane, and a polyorganosilicate resin. The hot melt adhesive composition is useful in electronic device assembly processes.

Abstract: Provided is a thermoplastic elastomer comprising a mesogen-silicon compound (co)polymer which is represented by formula (1) below and has a number average molecular weight of 1,000-500,000. The thermoplastic elastomer has transparency and rubber properties (rubber elasticity) and can be (repeatedly) molded thermally and reversibly, and thus can be suitably used in potting materials or various sealing materials. In formula (1), Ar represents a mesogenic group selected from among structures represented by formula (2) below, a represents an integer of 0.5-1, b represents a number of 0-0.5 (a and b respectively represent the ratio of the number of respective repeating units to the sum of all the repeating units in the molecule, and a+b=1), R1 is a monovalent hydrocarbon group that does not contain a C1-8 aliphatic unsaturated bond, and R2 is a hydrogen atom, —Si(CH3)3, —Si(CH3)2(OH), —Si(CH3)2(CH?CH2) or —Si(CH3)2(CH2—CH?CH2).

Abstract: Systems, methods, and apparatus for meta-materials which are stretchable and tunable using an array of liquid conductor meta-atoms encased in one or more layers of elastomer. Fabrication techniques allow effective manufacture of the metamaterial in a number of form factors for a number of applications, including but not limited to fabrics or wraps around three-dimensional shapes.

Abstract: A 3-dimensional PDMS cell sorter having multiple passages in a PDMS layer that follow the same path in a DEP separation region and that are in fluid communication with each other within that region. The passages may differ in width transverse to the flow direction within the passages. Flat plates may sandwich the PDMS layer; each plate may have a planar electrode used to generate a DEP field within a sample fluid flowed within the passages. The DEP field may concentrate target cells or particulates within one of the passages within the DEP separation region. The passages may diverge after the DEP-separation region, leaving one passage with a high concentration of target cells or particulates. Techniques for manufacturing such structures, as well as other micro-fluidic structures, are also provided.

Abstract: An objective of the present invention is to provide a curable resin composition for forming a cured product having excellent heat resistance, light resistance, flexibility, and toughness. The present invention provides a curable resin composition containing the following components in specific blended amounts. (A): A polyorganosiloxane represented by average unit formula: (SiO4/2)a1(R1SiO3/2)a2(R12SiO2/2)a3(R13SiO1/2)a4 R1 is alkyl, aryl, alkenyl, or the like; a proportion of the alkyl is from 30 to 98 mol %, a proportion of the aryl is from 1 to 50 mol %, and a proportion of the alkenyl is from 1 to 20 mol % relative to a total amount of R1; and a1>0, a2>0, a3?0, a4>0, 0.01?a1/a2?10, and a1+a2+a3+a4=1. (B): A polyorganosiloxane having not more than 10 silicon atoms and having a proportion of an alkenyl group relative to a total amount (100 mol %) of the organic groups bonded to the silicon atom from 20 to 60 mol %.

Abstract: An insulation material includes a matrix comprising a reaction product formed from a silicon carbide precursor resin and a silicon dioxide precursor resin. At least one filler, such as hollow glass microspheres and/or carbon fiber is dispersed within the matrix. A rocket motor includes a case, the insulation material within and bonded to the case, and a solid propellant within the case. An insulation precursor includes a silicon carbide precursor resin, a silicon dioxide precursor resin, and the at least one filler. Related methods are also disclosed.

Abstract: A photocurable composition includes (A) a photocurable monomer and (B) a silicon-containing monomer or oligomer thereof, the silicon-containing monomer being represented by Formula 1

Abstract: The present disclosure provides silicon-based coating compositions, comprising 8% to 30% (w/w of the total composition) polysilazane, 8% to 22% (w/w of the total composition) polysiloxane, and 30% to 45% (w/w of the total composition) high temperature silicone-based resin. The composition after curing is a thermal barrier coating that can withstand temperature over 1600° F. in accordance with ASTM E1530 test standards for heat stability, having a thickness ranging between about 0.4 mil and about 1.5 mil and a hardness ranging between about 4H and about 9H. Also provided are methods for applying these coatings.

Abstract: An optoelectronic component includes a semiconductor chip that is able to emit radiation having a wavelength of 400 nm to 490 nm, a conversion element including a reactive polysiloxane matrix material, a wavelength converting phosphor and filler nanoparticles, wherein the filler nanoparticles have a diameter of smaller than 15 nm and modify the refractive index and yield a mixture when added to the reactive polysiloxane matrix material.

Abstract: An object of the present invention is to provide a curable resin composition for forming a less tacky cured product having excellent gas barrier properties, heat resistance, light resistance, flexibility and heat shock resistance. The curable resin composition comprises the following components (A), (B), (C), and (D), wherein a content of the component (C) is 0.3 to 20 wt %, based on the total amount of the composition: (A): a polyorganosiloxane represented by an average unit formula: (SiO4/2)a1(R1SiO3/2)a2(R12SiO2/2)a3(R13SiO1/2)a4, wherein each R1 is alkyl, aryl, alkenyl, etc., and a percentage of the alkyl is 50 to 98 mol %, a percentage of the aryl is 1 to 50 mol %, and a percentage of the alkenyl is 1 to 35 mol %, based on the total amount of R1, and a1>0, a2>0, a3?0, a4>0, 0.5?a1/a2?10, and a1+a2+a3+a4=1; (B): a polyorganosiloxane represented by an average composition formula: R2mHnSiO[(4-m-n)/2] wherein R2 is alkyl or aryl, and 0.7?m?2.1, 0.001?n?1.0, and 0.

Abstract: Transdermal delivery devices for the delivery of cannabidiol (CBD) are shown and described. In a reservoir-patch design, a microporous, hydrophilic membrane and a backing define a reservoir that houses a mixture of CBD, a polar liquid, and a gelling agent. The hydrophilic membrane is coated with an amine-compatible silicone skin adhesive. In a monolithic design, a release liner is coated with a mixture of CBD and a PIB or amine-compatible silicone skin adhesive laminated to the hacking material. In either design, the CBD may be provided as a pure compound or as a component of a cannabis oil.

Abstract: Methods and formulations for modified silicone resins of Formula (I) are presented: The R1, R2, and R3 are each independently selected from a group consisting of H, alkyl, alkenyl, alkynyl, and aryl; n ranges from 1 to 10; m ranges from 1 to 200; and p ranges from 2 to 1,000. The elastomeric materials prepared from modified silicone resins display robust mechanical properties following prolonged exposure to high temperatures (e.g., 316° C. or higher).

Abstract: An adhesion promoter that can achieve excellent initial adhesion improvement effects towards various types of substrates, a curable organopolysiloxane composition containing the adhesion promoter, and a protective agent or adhesive composition for electric and electronic components, are provided. The adhesion promoter comprises the following components (A) to (C) in a specific weight ratio: (A) a reaction mixture of an organoalkoxysilane having an amino group and an organoalkoxysilane having an epoxy group; (B) an organic compound having at least two alkoxysilyl groups in a molecule and having a bond other than a silicone-oxygen bond between these silyl groups; and (C) a silane containing an epoxy group or a partially hydrolyzed condensate thereof.

Abstract: The present invention is a curable composition comprising a component (A) and a component (B), the curable composition producing a cured product that has a solid-state Si nuclear magnetic resonance spectrum in which a peak is observed within a range from ?80 ppm or more to less than ?40 ppm, and a half-width of the peak is 500 to 900 Hz, the component (A) being a curable polysilsesquioxane compound that comprises a repeating unit represented by a formula (a-1), R1SiO3/2??(a-1) the component (B) being at least one silane coupling agent selected from a group consisting of a silane coupling agent that comprises a nitrogen atom in its molecule, and a silane coupling agent that comprises an acid anhydride structure in its molecule, and a method for producing the curable composition, and a cured product, and a method for using the curable composition, and an optical device.

Abstract: The present invention is: a curable composition comprising a component (A), a component (B), and a component (C), the curable composition comprising the component (A) and the component (B) in a mass ratio (component (A):component (B)) of 100:0.3 to 100:50, the component (A) being a curable polysilsesquioxane compound that comprises a repeating unit represented by a formula (a-1), R1SiO3/2??(a-1) wherein R1 is a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, or a substituted or unsubstituted aryl group, the component (B) being fine particles having an average primary particle size of 5 to 40 nm, and the component (C) being a silane coupling agent that comprises a nitrogen atom in its molecule.

Abstract: The present invention provides a pressure-sensitive adhesive tape for preventing adhesion of aquatic organisms, which includes an antifouling layer, a base material layer and a pressure-sensitive adhesive layer in this order, which has the base material layer composed of an inexpensive material, and which has high adhesion between the antifouling layer and the base material layer without performing the easy adhesion treatment, for example, a primer treatment or a corona treatment. A pressure-sensitive adhesive tape for preventing adhesion of aquatic organisms of the present invention comprises an antifouling layer, a base material layer and a pressure-sensitive adhesive layer in this order, wherein the base material layer contains an ionomer resin.

Abstract: A hot melt silicone that is non-flowable at 25° C. and that has a melt viscosity at 100° C. of 5,000 Pa·s or less, the hot melt silicone being formed by subjecting (A) an alkenyl group-containing organopolysiloxane in which 10 mol % or greater of all of silicon atom-bonded organic groups is a phenyl group, and (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule to hydrosilylation reaction in the presence of (C) a hydrosilylation reaction catalyst; and a curable hot melt composition comprising: (I) the hot melt silicone; (II) an organopolysiloxane which has at least two silicon atom-bonded hydrogen atoms in a molecule and in which the amount of silicon atom-bonded hydrogen atom is 0.5 mass % or greater; and (III) a hydrosilylation reaction catalyst. The hot melt silicone is non-flowable at 25° C., has a low surface stickiness, and easily melts by heating. Furthermore, this curable hot melt composition has both hot melt properties and curability.

Abstract: Described herein are compositions and methods using same for forming a silicon-containing film such as, without limitation, a carbon doped silicon oxide film, a carbon doped silicon nitride, a carbon doped silicon oxynitride film in a deposition process. In one aspect, the composition comprises at least cyclic carbosilane having at least one Si—C—Si linkage and at least one anchoring group selected from a halide atom, an amino group, and combinations thereof.

Abstract: A silicon based coating composition for a wide range of surfaces, which composition is formed from a mixture of constituents comprising appropriate portions of silazane, siloxane, and silane, and optionally organic solvent and additives, and the composition results in a coating having a thickness between 0.4 mil and 1.5 mil, a hardness of 4-9H and an endurance to continuous temperature above 1600° F.

Abstract: The present invention is directed to an anhydrous composition which is long wearing and transfer resistant, while at the same time providing superior comfort, feel and cushioning, the composition containing: (a) at least one polypropylsilsesquioxane wax substituted with alkyl units having at least 30 carbons; (b) at least one siloxysilicate resin; (c) at least one polyorganosiloxane-containing polymer; (d) at least one volatile solvent; (e) optionally, at least one non-volatile solvent; and (f) at least one colorant.

Abstract: There is provided herein a polyalkylene-oxide-free surfactant composition comprising an ester-modified organosilicon having the general formula (I) AOaR4b(BOcR11d)e(C)fDg. There is also provided methods for making the ester-modified organosilicon (I) and agricultural, coating, personal care and home care applications containing the polyalkylene-oxide-free surfactant composition.

Abstract: An undercoat agent including a block copolymer having a plurality of blocks bonded formed on a substrate. The undercoat agent contains a resin component that includes a structural unit having an aromatic ring and a structural unit having no aromatic ring, and the resin component includes a group which can interact with the substrate and does not include a 3 to 7-membered, ether-containing cyclic group; and a method of forming a pattern of a layer containing a block copolymer. The method includes applying an undercoat agent to a substrate to form a layer containing the undercoat agent; forming a layer containing a block copolymer having multiple blocks bonded on a surface of the layer containing the undercoat agent, followed by a phase separation of the layer containing the block copolymer; and selectively removing a phase containing at least one block of multiple blocks constituting the block copolymer.

Abstract: An ink includes a plurality of silver nanoparticles, an aminomethylsilane viscosifier, and a hydrocarbon solvent. A method includes providing an ink including a plurality of silver nanoparticles, an aminomethylsilane viscosifier, and a hydrocarbon solvent, the method including printing an image on a substrate with the ink, and annealing the image on the substrate. An ink includes organoamine-stabilized silver nanoparticles, a viscosifier comprising N-(6-aminohexyl)aminomethyltriethoxysilane, and a hydrocarbon solvent.

Abstract: Disclosed are an alkoxysilyl-containing A-B block copolymer formed from (meth)acrylate monomers as constituent monomers, characterized in that a polymer block of A chain has a number average molecular weight (Mn) of from 1,000 to 50,000 and a molecular weight distribution (Mw/Mn) of not greater than 1.6, a polymer block of B chain comprises alkoxysilyl-containing (meth)acrylate units as constituent monomer units, and the A-B block copolymer as a whole has a molecular weight distribution of not greater than 1.6, a process for the production of the block copolymer, a resin-treated pigment, and a pigment dispersion.

Abstract: Provided herein are silicon-based compositions, which after curing is a coating composition having strong substrate adhesion and scratch resistance. The compositions are formed from a mixture of constituents comprising: from about 20% to about 90% (w/w) of a first siloxane selected from the group consisting of silsesquioxane, methylmethoxysiloxane, and combinations thereof; and from about 10% to about 80% (w/w) of one or more silicon compounds selected from the group consisting of a second siloxane, silane, and silazane. Optionally, the compositions may comprise from about 0.1% to about 5% (w/w) alkyltitanate.

Abstract: A curable composition includes the following: (A) a polymer having an average unit formula (I?): [(R?)2SiO2/2]a?[(CH2?CH)(R?)2SiO1/2]b?[R?SiO3/2]c?[O1/2Si(R?)2(CH2CH2)(R?)2SiO1/2]e?; (B) a branched organopolysiloxane having an average unit formula (VI) (R4SiO3/2)x(SiO4/2)y[(R8)3SiO1/2]1-x-y; (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R52SiO2/2)f(R63SiO1/2)g(R7SiO3/2)h(SiO4/2)i(CH2CH2)j; and (D) a catalyst, wherein R?, R4 to R8, x, y, a? to c?, e? and f to j are as defined in the specification.

Abstract: An organic polymer, having a number-average molecular weight of 800 to 15,000, and comprising 0.5 or more but less than 1.2 reactive silicon groups in each molecule of the polymer on average, in which the reactive silicon groups are introduced into one-side out of terminals thereof, and heightening, in particular, the proportion of molecules (of the polymer) into each of which the silicon group is introduced.

Abstract: A gas barrier thin film having a substrate, an anchoring layer, and an inorganic oxide layer, the anchoring layer including a silicon-containing organic-inorganic composite copolymer comprising a repeating unit of the formula —(SiO)n—, a repeating unit of the formula —(SiR1R2—NR3)m—, and at least one or a combination of repeating units of the formulas wherein at least one of R1, R2, and R3 is independently hydrogen, R1, R2, and R3 are each independently C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C1-C5 alkoxyl, or C6-C15 aryl, R4, R5, R6, and R7 are each independently hydrogen, C1-C3 alkyl, C1-C3 alkoxyl, C3-C10 cycloalkyl, or C6-C15 aryl, R4 and R5 are not simultaneously hydrogen, R6 and R7 are not simultaneously hydrogen, n+m+r=1, 0<n<1, 0<m<1, and 0<r<1, ‘n’, ‘m’, and ‘r’ are each a molar ratio, ‘r’ is p, q, or p+q, and a degree of polymerization is about 1,000 to about 1,000,000.

Abstract: A water-repellent and oil-repellent composition, including an incompletely condensed product P2 obtained by further condensing an incompletely condensed product P1 containing a fluorine-containing alkoxy silane unit a derived from a fluorine-containing alkoxy silane compound ? represented by the following general formula (1) with an alkoxy silane compound ? represented by the following general formula (2), wherein a content a1 (mol %) of the fluorine-containing alkoxy silane unit a in the incompletely condensed product P1 and a content a2 (mol %) of the fluorine-containing alkoxy silane unit a in the incompletely condensed product P2 satisfy a relationship represented by the following expression (1): Rf-Yq-Ap-Z—SiX3??General formula (1) R—SiX3??General formula (2) a1/a2?2??Expression (1).

Abstract: Addition curing silicone elastomers of high Shore D hardness are grindable and polishable, and are particularly useful as temporary adhesives in the processing of semiconductor wafers.

Abstract: After an adhesive sheet is pasted on a semiconductor wafer, an adhesive of the sheet increases tight attachment to the semiconductor wafer because wetting spreads over time. Due to this, at the time of peeling the adhesive sheet from the ground semiconductor wafer, the semiconductor wafer used to be damaged. This phenomenon is likely to occur for a thinner semiconductor wafer. The present invention resides in an adhesive sheet including a substrate and an adhesive layer disposed on the substrate. The substrate is formed of an ethylene/vinyl acetate copolymer having a vinyl acetate content of 10% by mass or less. The adhesive layer contains 100 parts by mass of a (meth)acrylate ester copolymer, 1 to 10 parts by mass of a cross-linker, 0.05 to 5 parts by mass of a silicone compound. The (meth)acrylate ester copolymer is formed of a copolymer produced by polymerizing a (meth)acrylate ester monomer and a functional-group-containing monomer.

Abstract: Optically clear stretch releasing pressure sensitive adhesive films containing a silicone pressure sensitive adhesive composition and a tacky tab are provided. The pressure sensitive adhesive compositions are formed from elastomeric silicone polymer selected from the group consisting of urea-based silicone copolymers, oxamide-based silicone copolymers, amide-based silicone copolymers, urethane-based silicone copolymers, polydiorganosiloxane polymers, or mixtures of these copolymers. The pressure sensitive adhesive compositions may also contain an MQ tackifying resin. The pressure sensitive adhesive compositions may be used to form adhesive articles.

Abstract: A process is disclosed for preparing a resin-linear organosiloxane block copolymer by reacting a silanol terminated linear organosiloxane and an organosiloxane resin containing hydrolyzable groups to form a resin-linear organosiloxane block copolymer. The resulting resin-linear organosiloxane block copolymer is then crosslinked to sufficiently increase the average molecular weight of the resin-ituted organosiloxane block copolymer by at least 50%. The resin-linear organosiloxanes block copolymers prepared by the disclosed process may provide optically solid compositions which may be considered as “reprocessable.

Abstract: There is provided herein a composition comprising: (A) a silanol and/orhydrocarbon-terminated polyorganosiloxane in an amount of from about 30 weight percent to about 90 weight percent; and, (B) a moisture curable silylated polyurethane resin in an amount of from about 10 weight percent to about 70 weight percent. There is also provided herein in another embodiment a two part sealant composition wherein the first part comprises: (A) a silanol and/or hydrocarbon-terminated polyorganosiloxane in an amount of from about 15 weight percent to about 60 weight percent, (B) a moisture curable silylated polyurethane resin in an amount of from about 2 weight percent to about 32 weight percent, and (C) a filler, said weight percents being based on the weight of the first part.

Abstract: Resin-linear organosiloxane block copolymers combined with linear or resin organopolysiloxane components are disclosed. In some embodiments, the combination of resin-linear organosiloxane block copolymers with linear or resin organopolysiloxane components provides compositions having improved physical properties, such as improved toughness and flow behavior.

Abstract: There is provided a laminated article having a coating film surface being excellent in sliding property, transparency, abrasion resistance, stain-proofing property and chemical resistance, particularly a laminated article having a silicone rubber substrate. The laminated article comprises a substrate (III), a primer layer (II) provided on the substrate (III) and a top coat layer (I) provided directly on the primer layer (II), in which the top coat layer (I) is formed with a cured article of the top coat composition comprising (A) a curable fluorine-containing resin, (B) a curing agent and (C) a coupling agent comprising a functional group-containing silane coupling agent and/or an aluminum chelating agent, and the primer layer (II) is formed with a primer composition comprising (D) a polydiorganosiloxane, (E) a polyorganosiloxane resin and (F) a coupling agent comprising a functional group-containing silane coupling agent and/or an aluminum chelating agent.

Abstract: Hot melt adhesive compositions are disclosed containing the reaction product of a resin linear organosiloxane block copolymer and an organosilane capping agent containing hydrolyzable groups.

Abstract: Amphiphilic organosiloxane block copolymers and methods for making them are disclosed. The compositions incorporate an amphiphilic “linear” segment with a “resinous” segment. For example, a polyether (A) modified PDMS (B) with (AB)n architecture and polydiorganosiloxane with Si—H end-groups can be reacted with a phenyl silsesquioxane resin bearing vinyl functionality to form an amphiphilic resin-linear copolymer.

Abstract: An organosiloxane block copolymer includes 65 to 90 mol % of diorganosiloxane units having the formula R12-SiO2/2 (I). These diorganosiloxane units are arranged in linear blocks which have an average of from 10 to 400 diorganosiloxane units per linear block. The organosiloxane block copolymer also includes 10 to 35 mol % of siloxane units that have the average formula R2x(OR3)ySiO(4-x-y)/2 (II). The siloxane units are arranged in nonlinear blocks having at least 2 siloxane units per nonlinear block wherein 0.5?x?1.5 and 0?y?1. In addition, each R1 is independently a C1 to C10 hydrocarbyl, each R2 is independently an aryl or C4 to C10 hydrocarbyl, at least 50 mol % of R2 are aryl, and each R3 is independently R1 or H. Moreover, the organosiloxane block copolymer has a light transmittance of at least 95%.

Abstract: Inventive organopolysiloxanes and consumer product compositions comprising such organopolysiloxanes. Such compositions can deposit effectively onto target substrates to deliver consumer-desired benefits such as conditioning, anti-wrinkle, softness, and anti-static.