Abstract: To provide a prepreg resin composition which has good solubility in a solvent and with which moreover a cured product having excellent flame resistance and a low water absorption rate can be made simply and with good reproducibility, and a prepreg and a laminate and a printed wiring board and the like using the same. The prepreg resin composition of the present invention including at least a cyanate compound (A) obtained by cyanation of a phenol-modified xylene formaldehyde resin, an epoxy resin (B), and an inorganic filler.

Abstract: A thermally removable pressure-sensitive adhesive sheet includes a substrate and a pressure-sensitive adhesive layer that is provided on at least one side of the substrate and made from a polyester-based pressure-sensitive adhesive composition containing a polyester including at least a lactic acid unit, a dibasic acid unit, and a glycol unit, a foaming agent, and a crosslinking agent. The dibasic acid unit includes a dimer acid, the polyester has a weight average molecular weight of 20,000 to 200,000 and a glass transition temperature of ?70 to ?20° C. as measured using a differential scanning calorimeter at a temperature rise rate of 20° C./minute, and the polyester has a hydroxyl value of 1 to 60 mgKOH/g.

Abstract: The invention discloses a series of glycerin/succinate/alkyl succinate polyesters. These materials are high foaming detergents useful in the formulation of biodegradable, polyoxyalkylene free, cosmetic and personal care products.

Abstract: A thixotropy imparting composition. The composition comprises the reaction products of: one or more polyesters from one or more polyols having at least two hydroxyl moieties; and one or more polycarboxylic acids having at least two carboxylic acid moieties; and one or more basic compounds, wherein said polyesters have at least two active carboxylic acid moieties as end groups and at least a portion of said carboxylic acid moieties are in the carboxylate anion form. This composition may further comprise one or more diluents. The composition exists as a liquid. The composition may be used in a non-aqueous fluid system as a rheological additive in combination with one or more particulate materials, wherein said rheological additive imparts thixotropy to said system. A thixotropy imparting composition.

Abstract: An object of the invention is to provide an electronic device which can be easily manufactured using a wet method. One of electronic devices according to the invention has a first layer and a second layer. The first layer contains a first compound including a conjugated double bond. Here, the first compound preferably has a molecular weight of 100 to 1000. The second layer contains a second compound having a cyclic structure which is formed by an addition reaction between two molecules of the first compound. Here, a light emitting element or an element such as a transistor can be given as the electronic device.

Abstract: A polyurethane composition containing (A) a urethane compound obtained by reacting 100 parts by weight of a polyol with a polyisocyanate such that the NCO/OH equivalent weight ratio is greater than 0.5 but smaller than 15, and (B) a compound selected from a linear olefin compound having at least 6 carbon atoms, an oligomer of a linear olefin compound having at least 6 carbon atoms or an epoxy compound of an oligomer of a linear olefin compound having at least 6 carbon atoms, wherein the content of said compound (B) per 100 parts by weight of said polyol is greater than 5 parts by weight but smaller than 400 parts by weight. This composition is a composition with no suspicions that it contains an endocrine-disrupting chemical.

Abstract: The present invention is directed to a class of polyesters that are lightly crosslinked polyesters made by reacting alkoxyglyceryl units (linked by the reaction of their hydroxyl groups) to the carboxyl group of dimer acid. As will become clear, lightly crosslinked as used herein relates to reactions in which there is an excess of hydroxyl groups on a molar basis to carboxylic groups on the dimer acid. The polymers and a contribute softness, lubricity and antistatic properties when applied to hair, skin, textile fiber and paper.

Abstract: The invention relates to low molecular weight LPA surface quality enhancers derived from C36-44 dimer acids capped with a glycol or a polyether polyol. The capped dimer acids are incompatible in the cured matrix of a polyester molding composition.

Abstract: A pressure-sensitive adhesive composition is described, which comprises a polyester having an improved molecular structure and can find wide applications, which polyester has both a good mechanical strength and a good flexibility, is obtained from starting material components essentially comprising an aliphatic diol having a carbonate structure in the main chain thereof, and at least one of a polyhydric alcohol having three or more hydroxyl groups and a polycarboxylic acid having three or more carboxyl groups, and has a number average molecular weight of 5,000 or more and a degree of dispersion of 2.2 or more.

Abstract: Radiation-curable powder compositions, usable as paint or varnish, which comprise a mixture of at least one semi-crystalline polyester containing end methacryloyl groups and of at least one acrylic copolymer containing ethylenically unsaturated groups, these polyesters comprising the reaction products of a glycidyl methacrylate and of a semi-crystalline polyester containing end carboxyl groups.

Abstract: Cushions and cushion elements with non-intersecting-columnar elastomeric members exhibiting compression instability are disclosed. The cushions and cushion elements may be made from gelatinous elastomer materials. The cushions and cushion elements have application in a variety of fields, including foot care products, seat cushions, mattresses and mattress overlays for consumer and medical applications, carry straps, sports injury prevention, orthopedics, vibration dampeners for electrical and electronic equipment, shock absorbers and others.

Abstract: Methods for irradiation induced graft polymerization of a monomers, such as styrenes, onto fluoropolymers are provided. The methods, which involve either the use of acids, preferably mineral acids, or creating a rough surface on the fluoropolymer, provide higher levels of grafting of the copolymer than grafting in the absence of the acid or of the rough surface on the fluoropolymer. Also provided are grafted copolymers produced by the methods. Methods for increasing the performance of solid phase assays, such as scintillation proximity assays, are also provided.