Abstract: A polysiloxane-polyester block copolymer is provided, which comprises: (i) a siloxane resin block comprising: a siloxane unit represented by the formula: R1SiO3/2, wherein R1 is a monovalent hydrocarbon group, and comprising optionally a siloxane unit represented by the formula: SiO4/2; (ii) a siloxane linear block represented by the formula: (R22SiO2/2)n, wherein each R2 is independently a monovalent hydrocarbon group, and “n” is a positive number of at least 5; and (iii) a polyester block. The polysiloxane-polyester block copolymer can be used for a protective coating on a substrate which is made of aluminum, stainless steel, iron, plastics or glass to provide durable heat-resistance, hot hardness, release and anti-graffiti properties.

Abstract: An object of the present invention is to provide a polyorganosiloxane-containing graft copolymer powder capable of providing a resin composition and a molded article which are excellent in balance between colorability and mechanical properties such as impact resistance. The polyorganosiloxane-containing graft copolymer powder according to the present invention is a graft copolymer powder obtained by graft-polymerizing a mixture (B) of a vinyl monomer (b1) having an epoxy group and another vinyl monomer (b2) to a rubber (A) containing a polyorganosiloxane, wherein the content of the polyorganosiloxane (A1) contained in the rubber (A) is 12 to 50% by mass, the mass average particle diameter of the polyorganosiloxane-containing graft copolymer powder is 300 to 2000 nm, and the epoxy equivalent of the polyorganosiloxane-containing graft copolymer powder is 2500 to 7800 g/eq.

Abstract: The present invention provides a bio-electrode composition including a silsesquioxane bonded to a sulfonimide salt, wherein the sulfonimide salt is shown by the following general formula (1): wherein R1 represents a linear, branched, or cyclic alkylene group having 1 to 20 carbon atoms that may have an aromatic group, an ether group, or an ester group, or an arylene group having 6 to 10 carbon atoms; Rf represents a linear, branched, or cyclic alkyl group having 1 to 4 carbon atoms containing at least one fluorine atom; M+ is an ion selected from a lithium ion, a sodium ion, a potassium ion, and a silver ion. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light-weight, manufacturable at low cost, and free from large lowering of the electric conductivity even though it is wetted with water or dried.

Abstract: The present invention is directed to a process for preparing light curable energetic polymeric binders. The process for preparing such binder comprises the steps of mixing a pre-polymer such as PGN or GAP having a terminal hydroxyl group with a solvent and adding reactants wherein the reactant has a light curable moiety and a pre-polymer reactive moiety. Catalysts such as carbodiimide and DMAP may be further added to the mixture.

Abstract: A curable composition including (A) a compound having two or more alkenyl groups and a perfluoro(poly)ether group in one molecule, wherein the perfluoro(poly)ether group is represented by formula: —(OC6F12)a—(OC5F10)b—(OC4F8)c—(OC3X106)d—(OC2F4)e—(OCF2)f—, a, b, c and d are each independently an integer of 0 to 30, e and f are each independently an integer of 1 to 200, the sum of a, b, c, d, e and f is at least 5, the occurrence order of the respective repeating units in parentheses with the subscript a, b, c, d, e or f is not limited in the formula, a ratio of e to f is 1.0 or more, and each X10, at each occurrence, is independently a hydrogen atom, a fluorine atom or a chlorine atom, (B) an organosilicon compound which has two or more hydrogen atoms each bonding to a silicon atom, in one molecule, and (C) a catalyst.

Abstract: Disclosed are polymers comprising the moiety A, which is a moiety of formula I: and pharmaceutically acceptable salts thereof, wherein R, R1, R2, L, n1 and n2 are as defined herein. These polymers are useful for delivering nucleic acids to subject. These polymers and pharmaceutically acceptable compositions comprising such polymers and nucleic acids can be useful for treating various diseases, disorders and conditions.

Abstract: Dual temperature curable silicone compositions, articles made from such compositions, and methods for the manufacture and use thereof. In particular, a dual temperature curable silicone composition is manufactured from a composition comprising a vinyl silicone; a silicone hydride-containing crosslinker; a platinum-containing catalyst; and a peroxide catalyst.

Abstract: 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.

Abstract: To improve storage stability of a resin composition used for applications such as a semiconductor sealing material. The resin composition is a resin composition that includes (A) an epoxy resin, (B) a curing agent, and (C) a silica filler. The silica filler of component (C) is surface-treated with a basic substance having a conjugate acid dissociation constant (pKa) of 9.4 or more. The resin composition further includes (D) a silane coupling agent, or the silica filler of component (C) is further surface-treated with a silane coupling agent.

Abstract: An overmolded thermoplastic article includes a substrate portion molded from a thermoplastic resin compound and an overmold portion molded from a thermoplastic elastomer compound. The thermoplastic resin compound includes thermoplastic polymer resin. The thermoplastic elastomer compound includes thermoplastic elastomer and polysiloxane as a mold release agent, and is free of wax. The overmold portion is bonded onto the substrate portion with a peel strength at least comparable to that of an overmolded thermoplastic elastomer compound containing wax as a mold release agent instead of the polysiloxane. Undesirable effects observed with the use of wax as a mold release agent in overmolded thermoplastic elastomer compounds such as blooming and ease of scratching/marring can be reduced, while desirable properties such as silky feel of the surface of the overmold portion and good bonding of the overmold portion onto the substrate portion can be at least maintained.

Abstract: A low-density gel product of the present disclosure has a skeleton containing a polysiloxane chain and an organic polymer chain. In the skeleton, the polysiloxane chain and the organic polymer chain are bonded to each other by covalent bonds at a plurality of positions on both of the chains with silicon atoms of the polysiloxane chain as bonding points. The organic polymer chain may be an aliphatic hydrocarbon chain. The polysiloxane chain may be a polyorganosiloxane chain. The low-density gel product of the present disclosure is a novel low-density gel product with improved mechanical properties including bending flexibility.

Abstract: Adhesion promoter compositions, containing: a) between 40 and 80 parts by weight of a binder composition, including i) 20-40 wt % of at least one silane-terminated polyurethane polymer STP, which can be obtained from at least one polyol P, aliphatic polyisocyanate I and organosilane OS1, ii) 4-20 wt % of at least one organosilane OS2 and/or organotitanate OT, iii) 0-3 wt % of at least one desiccant, iv) 40-80 wt % of solvent L1; b) between 0-30 parts by weight of industrial carbon black; c) between 0-1 parts by weight of UV marker; d) so much of solvent L2 that sum of a)-d) is 100 parts by weight; OS1 having secondary amino, mercapto or hydroxyl group on organic moiety and the at least one STP having been produced in absence of OS2, and the at least one P having an average OH functionality of at least 2 and equivalent weight of at most 500.

Abstract: The present disclosure relates to a silicone composition for use as a temporary bonding adhesive comprising: (A) a polydiorganosiloxane having at least two alkenyl groups in each molecule; (B) a polyorganosiloxane having at least one silicon-bonded hydrogen atom in each molecule; and (C) a thermally expandable powder having an expansion ratio of 10 or more.

Abstract: A fire protection composition contains a binder on the basis of an alkoxysilane-functionalized polymer and a liquid carbon supplier. The fire protection composition allows application in a simple and rapid manner of coatings having the layer thickness required for the particular fire resistance time, the layer thickness being reduced to a minimum while achieving a good fireproofing effect. The fire-protection composition is formulated as a multi-component system. The fire-protection composition is particularly suitable for fire protection, especially as a coating of construction elements such as steel carriers.

Abstract: The present invention relates to processes for making macromolecular networks, macromolecular networks made by such processes, and methods of using such macromolecular networks to make materials such as ceramics. The macromolecular network's formation rate is controlled by using two species of reactants each of which comprised one functionality. This results in decreased macromolecular network processing costs and superior products.

Abstract: Blend compositions include at least one polydiorganosiloxane polyoxamide copolymer, and at least 70% by weight of at least one silicone tackifying resin. The blend composition is non-tacky at room temperature up to a temperature of at least 100° C. The polydiorganosiloxane polyoxamide copolymer can be a linear or branched copolymer. The blend compositions provide solid, non-powdery, and non-tacky delivery vehicles for silicone tackifying resin.

Abstract: Described are polymerizable high energy light absorbing compounds of formula I: wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and X are as described herein. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.

Abstract: Provided is a composite resin composition for steel plates for a fuel tank, including: 30 to 65% by weight of a polymer resin; 1 to 15% by weight of a curing agent; 2 to 20% by weight of a corrosion-resistant additive; 1 to 15% by weight of an adhesion promoting agent comprising a polyphosphazene polymer compound; and a residual solvent. A composite resin-coated steel plate for a fuel tank, and a manufacturing method for a composite resin-coated steel plate are provided.

Abstract: A thermosetting silicon-containing compound contains one or more of structural units shown by the following general formulae (Sx-1), (Sx-2), and (Sx-3): where R1 represents a monovalent organic group containing both a phenyl group optionally having a substituent and a non-aromatic ring having 3 to 10 carbon atoms; and R2, R3 each represent the R1 or a monovalent organic group having 1 to 30 carbon atoms. Thus, the present invention provides a thermosetting silicon-containing compound usable in a silicon-containing resist underlayer film material capable of achieving contradictory properties of having both alkaline developer resistance and improved solubility in an alkaline stripping liquid containing no hydrogen peroxide.

Abstract: An aqueous composition including: a) at least one epoxy silane containing at least one epoxy group and at least one hydrolysable group bound to Si, b) at least one non-ionic wetting agent and either c1) between 0.2 and 2 wt. % of at least one mercapto silane containing at least one mercapto group and at least one hydrolysable group bound to Si, and as many water-soluble acids as required for the pH of resulting composition to be between 1 and 6, on the condition that epoxy silane content amounts to between 0.2 and 1 wt. %, or c2) between 0.1 and 1 wt. % of a water-soluble organotitanate, in relation to entire weight of aqueous composition, and as many water-soluble bases as required for the pH of resulting composition to be between 8 and 14, on the condition that the epoxy silane content amounts to between 0.2 and 0.5 wt. %.