Abstract: The present invention relates to a shock-absorbing nanostructured polymer alloy, comprising: a (meth)acrylic polymer matrix comprising one or more (meth)acrylic polymer(s), said (meth)acrylic polymer matrix forming a (meth)acrylic network, and, at least one polyborodimethylsiloxane (PBDMS) distributed in the (meth)acrylic polymer matrix, the polyborodimethylsiloxane forming a network, the polyborodimethylsiloxane network and the (meth)acrylic network being intertwined. The invention also relates to a chemical composition for the manufacture of such an alloy as well as a process for manufacturing a part made of such an alloy.

Abstract: The purpose of the present invention is to provide a coating material that is for a coated metal plate, that has high storage stability, that is less likely to contaminate a heating device, and that can be used to produce a coated metal plate having a surface on which rain streaks are less likely to occur and having high scratch resistance. The coating material contains a silicone resin including 5-50 mol % of a silanol group with respect to the total number of moles of Si atoms.

Abstract: An adhesive or encapsulant composition, having a siloxane polymer having a molecular weight of from 300 to 150,000 g/mol and having a viscosity of from 1000 to 100,000 mPa-sec at 5 rpm viscometer and at 25° C., and a curing agent that aids in curing the siloxane polymer upon the application of ultraviolet light. The composition is transmissive to visible light with an optical transmissivity of 95% or more in the visible spectrum at a thickness of 1 mm or less, and wherein the siloxane polymer is a material formed without hydrosilylation and has less than 5 mol % of Si—OH groups compared to all groups bound to Si therein, and substantially no Si—H bonds.

Abstract: Coated proppants useful in fracking operations in oil and gas production are coated with a novolac resin containing a linear or cyclic organopolysiloxane of specific composition. The coatings are more fracture resistant, thus producing less fines during use, resulting in longer production campaigns.

Abstract: A method for preparing a graft copolymer having a polyolefin backbone and polyorganosiloxane pendant groups can be catalyzed by a Lewis Acid catalyst, Piers-Rubenstzjan catalyst, or hydrosilylation reaction catalyst. The graft copolymer prepared by the method is useful as a thermoplastic elastomer or as a compatibilizer in compositions containing both a polyolefin and a polyorganosiloxane.

Abstract: The present invention discloses silylated polyurethanes obtainable by reacting at least one polyols, at least one polyisocyanates, at least one amide-functionalized silanes of the general formula (I) as described herein and their preparation methods, curable compositions comprising the silylated polyurethanes and their use as adhesive, sealant, spray foam and/or coating.

Abstract: A method for preparation of (meth)acrylate esters of polysiloxanes. The method comprises contacting in the presence of zirconium acetylacetonate or hafnium acetylacetonate: (i) a polysiloxane having at least two hydroxyl groups, each of which is attached to a carbon atom, and (ii) a C1-C4 alkyl (meth)acrylate.

Abstract: Provided is a polyether-modified silicone composition. The composition comprises (A) a polyether-modified silicone, and (B) a monool organic compound. The monool organic compound (B) is selected from (B1) a glycol ether compound having a hydrogen atom substituted by an alkyl group having from 2 to 8 carbon atoms at one end, a secondary alcoholic hydroxy group at the other end, from 2 to 3 repeating oxyalkylene units having from 2 to 4 carbon atoms, and (B2) a tripropylene glycol monomethyl ether. Isopropyl alcohol does not exceed 1 mass % of the entire composition. Applications and manufacturing methods for the composition are also provided.

Abstract: Processes for producing a fluorinated ether compound are provided by which fluorinated ether compound capable of imparting excellent water/oil repellency, to a substrate surface or a hard coat layer can be easily produced in high yield. A process comprising reacting Rf(CF2)a—CF2OC(?O)Rf4 or Rf(CF2)a—C(?O)X1 with HN(—R1CH?CH2)2 to obtain Rf(CF2)a—C(?O)N(—R1CH2?CH2)2 and a process comprising obtaining the above product and reacting the product with HSiR2nL3-n to obtain Rf(CF2)a—C(?O)N(—R1CH2CH2SiR2nL3-n)2 wherein Rf is a linear polyfluoroalkyl group having at least two carbon atoms and at least one etheric oxygen atom between carbon atoms, Rf4 is a C1-30 perfluoroalkyl group or the like, X1 is a halogen atom, R1 is an alkylene group, a is an integer of from 1 to 5, R2 is a monovalent hydrocarbon group, L is a hydrolyzable group, and n is an integer of from 0 to 2.

Abstract: [Problem] To provide a composition comprising polycarbosilane, which has excellent filling property, can form a film at a lower temperature, and makes electrical property of the produced film excellent. [Means for Solution] A silicon carbonaceous film forming composition comprising polycarbosilane and a solvent, wherein the ratio of the integrated intensity at 3.92 to 4.20 ppm to the integrated intensity at 3.60 to 5.50 ppm in the H-NMR spectrum of said polycarbosilane is 27 to 50%.

Abstract: Provided are a resin composition capable of yielding a cured product exhibiting a superior heat resistance over a long period of time, and a superior reflow resistance due to a low water absorption rate even at a high temperature; and a semiconductor device encapsulated by such cured product. The resin composition is a heat-curable resin composition containing: (A) an organopolysiloxane having, in one molecule, at least one cyclic imide group and at least one siloxane bond; (B) an inorganic filler; and (C) a radical polymerization initiator. The semiconductor device is encapsulated by the cured product of such heat-curable resin composition.

Abstract: A UV curable composition for forming a polymeric coating on a substrate as described may include an optically clear colorless UV curable base comprising a combination of one or more multifunctional polymer precursor and a fluorinated polymer precursor. One or more of the multifunctional polymer precursor and fluorinated polymer precursor may comprise a non-charged electrically conductive site sufficient to disperse a static charge from the surface of the polymeric coating.

Abstract: The present disclosure provides soft block copolymer segments of Formula 1 for thermoplastic polyurethane or polyurethaneurea elastomer materials and their reaction products with divalent compounds, such as diisocyanates, chain extenders and optional additional polyols or polyamines. Also disclosed herein are methods for the production of the soft block copolymer segments, and possible applications of these materials in the formation of biomaterials for articles including medical devices such as implants, heart valves and drug delivery devices.

Abstract: An anti-corrosion coating to protect against corrosion, comprising: a high-density protective coating on a substrate which is prone to corrosion, preferably metals and/or alloys thereof, containing pre-condensed coat-forming alkoxysilane precursors, wherein the molecules of the pre-condensed coat-forming alkoxysilane precursors are built up from monomer units selected from the group formed by coat-forming alkoxysilane precursors, wherein the molecules of the pre-condensed coat-forming alkoxysilane precursors are cross-linked with each other, wherein the high-density protective coating has a coating thickness of at least 50 ?m. The high-density protective coating formed by an inorganic-organic hybrid material, which is preferably produced without solvents (i.e. without the addition of solvents, in particular organic solvents), is comprised of at least one coat-forming alkoxysilane precursor, in particular selected from the group formed by trialkoxysilane precursors.

Abstract: Various embodiments are directed to apparatuses and methods involving an elastomer material comprising a flexible polymer backbone with a particular ratio of at least first moieties and second moieties. The first moieties provide a first number of dynamic bonds resulting from interactions between the first moieties and the second moieties provide a second number of dynamic bonds resulting from interactions between the second moieties, the second number of dynamic bonds having a weaker bonding strength than the first number of dynamic bonds. The elastomer material, based on the ratio of the first moieties and second moieties, exhibits autonomous self-healing, a particular toughness, and is stretchable.

Abstract: Provided are a resin composition superior in moldability, and capable of yielding a cured product exhibiting a low elastic modulus even at a high temperature and no decrease in glass-transition temperature and having a favorable reflow resistance and heat resistance; and a semiconductor device encapsulated by such cured product. The resin composition is a heat-curable resin composition for semiconductor encapsulation, and contains: (A) an epoxy resin being solid at 25° C.; (B) an organopolysiloxane having, in one molecule, at least one cyclic imide group and at least one siloxane bond; (C) an inorganic filler; and (D) an anionic curing accelerator.

Abstract: The present invention relates to a modified conjugated diene-based polymer having a high modification ratio with improved compounding properties by being excellent affinity with a filler and a method for preparing the same. The modified conjugated diene-based polymer thus prepared includes a functional group derived from a compound represented by Formula 1 at one terminal, and has excellent affinity with a filler. If the modified conjugated diene-based polymer is applied to a rubber composition, excellent processability, tensile strength and viscoelasticity may be achieved.

Abstract: This addition-cure silicone composition comprises (A) an organopolysiloxane that has two or more aliphatic unsaturated hydrocarbon groups per molecule and has a kinematic viscosity of 60-100,000 mm2/s at 25° C., (B) an organohydrogen polysiloxane that has two or more silicon atom-bonded hydrogen atoms per molecule, and (C) hydrosilylation catalyst particles that have a microcapsule structure in which a platinum group metal catalyst-containing organic compound or polymer compound (C?) serves as a core substance, while a three-dimensional crosslinked polymer compound obtained by polymerizing at least one type of a polyfunctional monomer (C?) serves as a wall substance, wherein [solubility parameter of (C?)]?[solubility parameter of (C?)] is at least 1.0.

Abstract: A condensation-curable electrically conductive silicone adhesive composition, methods of making and using same, and manufactured articles and devices comprising or prepared from the same.

Abstract: A silicone urethane urea copolymer and methods for preparation and use of the copolymer are disclosed. The copolymer is crosslinkable. The copolymer is useful in various applications, including personal care compositions, such as hair care compositions and skin care compositions and in health care compositions such as skin contact adhesive compositions and transdermal drug delivery systems.