Abstract: A polybutylene terephthalate resin composition containing a polybutylene terephthalate resin, a silicone-based compound having a kinematic viscosity at 25° C. of 1,000 to 10,000 cSt in an amount of 0.5 to 1.8% by mass of the total mass of the polybutylene terephthalate resin composition, and an olefin-based elastomer in an amount of 5 to 20% by mass of the total mass of the polybutylene terephthalate resin composition.

Abstract: A bissilylamino group-containing organic polysilazane compound having an average composition represented by general formula (1) below: wherein R1 is a monovalent hydrocarbon group, R2 is a divalent hydrocarbon group, R3 and R4 are a monovalent hydrocarbon group, R3 and R4 optionally bond each other to form a ring structure together with a silicon atom to which R3 and R4 are bonded and a nitrogen atom to which the silicon atom is directly bonded, R5 is a monovalent hydrocarbon group, p is 0 or 1, q is 0, 1, or 2, and a and b are numbers which satisfy 0<a?1, 0?b<1, and a+b=1, and having a number average molecular weight in terms of polystyrene measured by GPC of 500 to 100,000.

Abstract: The present disclosure relates to use of an aqueous dispersion of siloxane for reducing grain puffing of a wood substrate and an article comprising an anti grain puffing coating. The article comprises (a) a wood substrate having at least one major surface; (b) an anti grain puffing coating directly applied on the major surface of the wood substrate, formed from an aqueous dispersion of siloxane; and (c) one or more coatings applied on the anti grain puffing coating, formed from an aqueous coating composition, wherein the siloxane contains one or more hydrophobic group and one or more hydrophilic group chemically bonded to its molecule skeleton; and wherein the siloxane has a particle size in the range of 5 to 100 nm.

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: The present disclosure relates to an encapsulant film made from a curable composition comprising: (A) a polyolefin polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a monocyclic organosilazane of formula (I).

Abstract: A resin composition contains at least (a) a polyimide resin having a specific structure and (b) a crosslinker including a fluorene group. The resin composition is capable of bonding an electronic circuit formation substrate or a semiconductor circuit formation substrate and a support substrate together. The resin composition has excellent heat resistance during bonding of an electronic circuit formation substrate or semiconductor circuit formation substrate having a thickness of 1 ?m or more and 100 ?m or less. The resin composition has steady adhesive force through the process of manufacturing an electronic component, a semiconductor device or the like, and can be peeled off under mild conditions at room temperature after the manufacturing process. An adhesive, a resin layer, a laminated film, and a processed wafer containing the resin composition, as well as a method for manufacturing an electronic component or a semiconductor device using these are also disclosed.

Abstract: A fiber reinforced powder paint provides improved flexural fatigue resistance for composites substrates. Fiber loading in the powder is greater than 40%. Aramid fiber loading in an epoxy based powder paint is exemplified. A composite bow limb coated with the powder paint survives a remarkably greater number of bending cycles before failure when coated with the powder paint.

Abstract: The present disclosure relates to a glass cleaning agent, a self-cleaning glass, and preparation methods thereof. The cleaning agent for a glass includes, by weight percentage, 40% to 65% of silicone monomer, 10% to 20% of a first silane coupling agent, 5% to 15% of a second silane coupling agent, 0.1% to 2% of organic tin catalyst, and 5% to 20% of crosslinking agent. The first silane coupling agent is at least one selected from the group consisting of ?-aminopropyltriethoxysilane and N-(?-aminoethyl)-?-aminopropyltrimethoxysilane. The second silane coupling agent is ?-glycidoxypropyltrimethoxysilane.

Abstract: Segmented silicone polymers incorporating segments formed from medium-chain fatty acids are generally disclosed herein. Methods of using such compounds, for example, as surfactants, are also disclosed herein, as well as methods of making such compounds, for example, from medium-chain fatty acids derived from natural oils.

Abstract: A photovoltaic device includes a photoactive material comprising a perovskite material and an interfacial layer comprising a cross-linked polymer that comprises a fullerene or fullerene derivative, a cross-linking agent, and one or more polymers selected from the group consisting of polystyrene, [6,6]-phenyl-C61-butyric acid methyl ester, poly(4-vinylphenol), [6,6]-phenyl-C61-butyric acid, and any combination thereof.

Abstract: A method for the preparation of an alkoxy-functional hydrogensiloxane oligomer includes reacting a polyorganohydrogensiloxane oligomer and an aliphatically unsaturated alkoxysilane in the presence of a hydrosilylation reaction and a promoter. The resulting crude reaction product is treated with a treating agent, and thereafter distilled to produce the alkoxy-functional organohydrogensiloxane oligomer. The alkoxy-functional hydrogensiloxane oligomer can be reacted with polyorganosiloxane having an aliphatically unsaturated monovalent hydrocarbon group to form a polyalkoxy-functional polyorganosiloxane. The polyalkoxy-functional polyorganosiloxane can be formulated in condensation reaction curable compositions.

Abstract: Although a composition for formation of a coating film is sometimes required to have satisfactory storage stability, it could not be said that a conventionally known composition has sufficient storage stability. It is an object of the present invention to provide a composition comprising an organosilicon compound which is excellent in storage stability. The present invention provides a composition comprising an organosilicon compound (A) represented by the following formula (a1), a metal compound (B) represented by the following formula (b1), a carboxylic acid compound (C), and an acid catalyst.

Abstract: A method for the preparation of an alkoxy-functional hydrogensiloxane oligomer includes reacting a polyorganohydrogensiloxane oligomer and an aliphatically unsaturated alkoxysilane in the presence of a hydrosilylation reaction and a promoter. The resulting reaction product is distilled, treated with a treating agent, and distilled again to produce the alkoxy-functional organohydrogensiloxane oligomer. The alkoxy-functional hydrogensiloxane oligomer can be reacted with polyorganosiloxane having an aliphatically unsaturated monovalent hydrocarbon group to form a polyalkoxy-functional polyorganosiloxane. The polyalkoxy-functional polyorganosiloxane can be formulated in condensation reaction curable compositions.

Abstract: Xerogels and compositions comprising xerogels comprising a transition metal oxide and silicon oxide xerogel matrix. The xerogels and compositions can be made from mixtures of transition metal alkoxide(s) and tetraalkoxysilane(s) and, optionally, alkyltrialkoxysilane(s), aminoalkyl-, alkylaminoalkyl-, dialkylaminoalkyltrialkoxysilane(s), or a combination thereof. The xerogels and compositions can be used as antifouling coatings on, for example; boats.

Abstract: Disclosed is a stamp (14) for an imprint lithography process, the stamp comprising an elastomer stamp body including a polysiloxane bulk portion (110) and a patterned surface comprising a feature pattern (16) for imprinting an imprinting composition (12) wherein the elastomer stamp body comprises a basic organic amine in an amount of at least 0.1% by weight based on the total weight of the elastomer stamp body. Also disclosed are methods of manufacturing such a stamp, and a method of forming a patterned layer on a substrate using such a stamp.

Abstract: [Problem] To provide a film forming composition and a film forming method capable of forming a film excellent in gas barrier properties. [Means for Solution] A film forming composition comprising a polysilazane, an organic solvent and an additive having a specific structure, and a film forming method comprising applying the composition on a substrate and exposing the composition to light. This specific additive is represented by a specific general formula among those having a nonconjugated cyclic structure composed of atoms selected from the group consisting of carbon, nitrogen and oxygen in the structure.

Abstract: A methacrylic resin composition is provided which contains at least one methacrylic resin and satisfies conditions (I), (II), and (III) in a differential molecular weight distribution curve. (I) When a proportion (%) of a peak area from a starting point to a molecular weight of 30000 with respect to a peak area from the starting point to an end point is represented by W1, W1 satisfies 18?W1?27. (II) When a proportion (%) of a peak area from the starting point to a molecular weight of 80000 with respect to the peak area from the starting point to the end point is represented by W2, W2 satisfies 41?W2?52. (III) When a proportion (%) of a peak area from a molecular weight of 300000 to the end point with respect to the peak area from the starting point to the end point is represented by W3, W3 satisfies 10?W3?14.

Abstract: The present invention provides an insulating film forming composition that excels in insulating properties and heat resistance, suppresses the occurrence of warpage, and can form an insulating film with excellent adhesion. The insulating film forming composition of the present invention contains, as a polymerizable compound, a polyorganosilsesquioxane containing siloxane constituent units; wherein the total content of: constituent units represented by formula (I) [RaSiO3/2] (I) and constituent units represented by formula (II) [RaSiO2/2(ORb)] (II) is greater than or equal to 55 mol % of the total amount of the siloxane constituent units; and the polyorganosilsesquioxane has a number average molecular weight of from 500 to 10000 and an epoxy equivalent of from 200 to 2000 g/eq.

Abstract: The present invention belongs to the field of super-hydrophobic surface technology, and discloses a durable hydrophilic-super-hydrophobic bipolar self-cleaning composite film and a preparation method therefor. The preparation method is as follows: adding an epoxy silane coupling agent into an organic solvent; after stirring and mixing well, adding an amine curing agent and distilled water to the mixture; stirring and adding micron-sized solid particles and hydrophobic nano silicon dioxide particles; continuing stirring to obtain a hydrophilic layer solution; adding a hydrophobic modifier and a hydrophilic nano silicon dioxide particles into the solvent to obtain a hydrophobic layer solution; coating a pretreated substrate surface with the hydrophilic layer solution, and performing heating treatment at 60° C. to 80° C. for 10-50 min; then coating the surface with the hydrophobic layer solution, and performing heating treatment at 100° C. to 140° C.

Abstract: Disclosed is a coating agent that contains a polyorganosiloxane (1) represented by the following general formula (1), a polydiorganosiloxane (2) represented by the following general formula (2), and either one of an amino group-containing polyorganosiloxane (3) represented by the following general formula (3) and a hydroxy group-containing polyorganosiloxane (4) represented by the following general formula (4). A coating agent having improved piecing properties and a medical instrument (for example, a needle) surface-treated (coated) with the coating agent are provided.