Abstract: The invention relates to the process for preparing ethylenedialkylphosphinic acids, esters and salts, wherein a) a phosphonic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to give an alkylphosphonous acid (II), or salt or ester thereof, b) the alkylphosphonous acid (II), or the salt or ester thereof, is reacted with an acetylenic compound (V) in the presence of a catalyst B to give the ethylenedialkylphosphinic acid derivative (III) where R1, R2, R3, R4, R5, R6, R11, R12, R13, R14 are the same or different and are each independently H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, where the C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl groups may be substituted by —C(O)CH3, OH, CH2OH, NH2, NO2, OCH3, SH and/or OC(O)CH3, and X is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K, H and/or a protonated nitrogen base, and/or is H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, (CH2)kOH, CH2—CHOH—CH2OH, (CH2)kO(CH2)lH, (CH2

Abstract: A curable resin obtained by reacting a polybasic anhydride with a reaction product of an epoxy resin with a phenol compound having an alcoholic hydroxyl group and an unsaturated monobasic acid, wherein an epoxy resin having a softening point of 93° C. or higher is used as the epoxy resin.

Abstract: The present invention relates to the use of substituted benzyl alcohols as modifiers in epoxy systems.

Abstract: High purity epoxide compounds, methods for preparing the high purity epoxide compounds, and compositions derived from the epoxide compounds are provided. Also provided are materials and articles derived from the epoxide compounds.

Abstract: The invention provides a varnish produced through reaction between a compound having an amino group and a resin having a functional group capable of reacting with an amino group, and having a polycyclic structure, wherein a portion of a plurality of the functional group of the resin is caused to react with the amino group of the compound in a solvent, and also a varnish produced through reaction between a compound having a phenolic hydroxyl group and a resin having a functional group capable of reacting with a phenolic hydroxyl group, and having a polycyclic structure, wherein a portion of a plurality of the functional group of the resin is caused to react with the phenolic hydroxyl group of the compound in the solvent. The invention also provides a prepreg, a resin-coated film, a metal-foil-clad laminate, and a printed wiring board produced by use of any of the varnishes.

Abstract: A sliding member includes: a metal substrate; an undercoat primer layer that is formed on a sliding surface of the metal substrate; and a resin layer that is formed on the undercoat primer layer, in which the resin layer is formed by curing a composition layer containing a bifunctional alicyclic epoxy and a polymerization initiator.

Abstract: A self-inflating tire assembly includes an air tube mounted within a tire sidewall or chafer groove. The air tube is in contacting engagement with opposite angled groove surfaces surrounding the air tube. A segment of the air tube is flattened from an expanded diameter to a flat diameter by bending and compression of the groove in a rolling tire footprint to force air evacuated from the flattened segment along a tube air passageway. A coverstrip overlays and seals the groove and provides an abrasion resistant surface on the exterior of the tire. The coverstrip is made from a vulcanizable rubber composition comprising from 50 to 80 phr of a polybutadiene, from 50 to 20 phr of natural rubber, and from 0.1 to 5 phr of a vulcanization modifier.

Abstract: A rubber-metal adhesion promoter characterized by including a compound (1) represented by the following general formula (A): (in the formula, Z represents a structure selected from the following formulae (z-1) to (z-4); M represents titanium or zirconium; and (RCOO) represents a residue of an aliphatic carboxylic acid having 2 to 25 carbon atoms)

Abstract: A layered construction is provided having a storage modulus G?t25 at 25° C., comprising: a) a cured polymeric composite having a storage modulus G?s25 at 25° C.; and b) a cured surfacing film bound thereto; wherein G?t25 is not greatly elevated over G?s25, typically not more than 118% of G?s25. In some embodiments the cured surfacing film comprises an electrically conductive layer, typically a metal layer. In some embodiments the cured surfacing film comprises a cured epoxy resin which may optionally be a chain-extended epoxy resin and may excludes phosphorus. The resulting layered construction may display high erosion resistance, high corrosion resistance, and high resistance to microcracking. In another aspect, methods of making the subject layered constructions are provided.

Abstract: A nanocomposite is provided including silica nanoparticles and a dispersant dispersed in a curable resin or a curing agent, where the nanocomposite contains less than 2% by weight solvent. The silica nanoparticles include nonspherical silica nanoparticles and/or spherical pyrogenic silica nanoparticles. A composite is also provided including from about 4 to 70 weight percent of silica nanoparticles, and a dispersant, dispersed in a cured resin, and a filler embedded in the cured resin. Optionally, the composite further contains a curing agent. Further, a method of preparing a nanoparticle-containing curable resin system is provided including mixing from 10 to 70 weight percent of aggregated silica nanoparticles with a curable resin and a dispersant to form a mixture. The mixture contains less than 2% by weight solvent. The method also includes milling the mixture in an immersion mill containing milling media to form a milled resin system including silica nanoparticles dispersed in the curable resin.

Abstract: There is provided a composition for forming a resist underlayer film for lithography that can be used as an underlayer anti-reflective coating that decreases the reflection of irradiated light during exposure from a semiconductor substrate toward the photoresist layer that is formed on the semiconductor substrate and in particular, can be suitably used as a flattening film for flattening a semiconductor substrate having a recess and a project by embedding, in a lithography process for production of a semiconductor device. A resist underlayer film-forming composition for lithography comprising (A) an alicyclic epoxy compound having an alicyclic skeleton and one or more epoxy groups, and a light absorption moiety, in the molecule, (B) a thermal acid generator, and (C) a solvent.

Abstract: Provided are a white heat-curable epoxy resin composition capable of yielding a cured product that is tough and superior in initial reflection rate and heat resistance; and a semiconductor device with a light receiving element and other semiconductor elements being encapsulated by such cured product. The white heat-curable epoxy resin composition contains: (A) a prepolymer as a molten mixture of (A-1) an epoxy resin: a triazine derivative epoxy resin and/or an alicyclic epoxy compound having an epoxy group and an alicyclic structure in one molecule and being non-fluid at 25° C., (A-2) an acid anhydride having no carbon-carbon double bond and (A-3) an acrylic resin-based modifier having an epoxy group and a weight-average molecular weight of 1,000 to 30,000; (B) a white pigment containing a titanium oxide; (C) an inorganic filler; (D) a curing accelerator; and (E) an antioxidant.

Abstract: A method for making engineered crosslinked thermoplastic particles, which are useful for interlaminar toughening of prepregs and composite materials.

Abstract: The invention comprises synergistic compositions of at least two metal carboxylates as corrosion inhibitors based on polycarboxylate anions and a variety of different cations. The inhibitors are designed to be added to film forming or other compositions to reduce the corrosion of the metal substrate on which the synergistic compositions are applied.

Abstract: A powder composition including a resin and from 5% to 70%, by weight based on powder composition weight, of a corrosion-inhibiting pigment, optionally including from 0% to 65%, by weight based on powder composition weight, zinc, the composition being substantially free from pigment providing a metallic effect is provided. The corrosion-inhibiting pigment may be present in amounts of up to 50%, by weight based on powder composition weight, for example, up to 35%. A method for coating a substrate with the powder composition and the coated substrate so formed are also provided.

Abstract: Provided are a surface-treated calcium carbonate filler useful in a curable resin, for imparting performance having excellent heat resistance, color fastness, strength and elongation, and a curable resin containing the filler. A surface-treated calcium carbonate filler for a curable resin composition, in which calcium carbonate synthesized using compact limestone is treated by a surface treatment agent, the surface-treated calcium carbonate filler satisfying the following formulae (1) to (4): 0?Mg?2000,??(1) 0?Fe?200,??(2) 70?SFa?100, and??(3) 0?Ufa?30,??(4) Mg: a proportion [ppm] of magnesium contained in surface-treated calcium carbonate, Fe: a proportion [ppm] of iron contained in surface-treated calcium carbonate, SFa: a proportion [wt %] of saturated fatty acid in the surface treatment agent comprising a water-soluble monovalent salt of a fatty acid, and UFa: a proportion [wt %] of unsaturated fatty acid in the surface treatment agent comprising a water-soluble monovalent salt of a fatty acid.

Abstract: The invention provides highly functional epoxy resins that may be used themselves in coating formulations and applications but which may be further functionalized via ring-opening reactions of the epoxy groups yielding derivative resins with other useful functionalities. The highly functional epoxy resins are synthesized from the epoxidation of vegetable or seed oil esters of polyols having 4 or more hydroxyl groups/molecule. In one embodiment, the polyol is sucrose and the vegetable or seed oil is selected from corn oil, castor oil, soybean oil, safflower oil, sunflower oil, linseed oil, tall oil fatty acid, tung oil, vernonia oil, and mixtures thereof. Methods of making of the epoxy resin and each of its derivative resins are disclosed as are coating compositions and coated objects using each of the resins.

Abstract: A solventless resin composition with a low dielectric constant and a substrate structure are provided. The composition includes: (a) 20-50 parts by weight of a copolymer having the structure of Formula (I) wherein, i, j, k, l, and m are independently an integer from 1 to 10; (b) 50-80 parts by weight of a compound having the structure of Formula (II) (c) 80-100 parts by weight of a hardener; and (d) 70-100 parts by weight of an inorganic filler.

Abstract: The present invention relates to a coating composition producible from at least one yttrium-containing precursor, a solvent A, and a solvent B, which is different from the solvent A, the ratio of the vapor pressure of the solvent A at 20° C. to the vapor pressure of solvent B at 20° C. being p A p B ? 10 , to methods for producing it, and to its use.

Abstract: The present invention provides for a composition of high temperature resistant powder coating which comprises at least two silicone resins having different glass transition temperatures and/or different melt viscosities, a bi-functional resin, a mica-containing filler and optional additives. When applied to a substrate, the composition is capable of curing to form a high temperature resistant coating on the substrate surface. The present invention also provides for use of the composition of the present invention to coat a substrate, as well as substrates coated with the composition of the present invention.