A cold work steel has the following chemical composition in weight-%: 1.25-1.75% (C+N), however at least 0.5% C 0.1-1.5% Si 0.1-1.5% Mn 4.0-5.5% Cr 2.5-4.5% (Mo+W/2), however max. 0.5% W 3.0-4.5% (V+Nb/2), however max. 0.5% Nb max 0.3% S balance iron and unavoidable impurities, and a microstructure which in the hardened and tempered condition of the steel contains 6-13 vol-% of vanadium-rich MX-ca...

Dispositivo para la carga de una máquina de triturar, como por ejemplo una trituradora de martillos, que comprende varios rodillos apoyados en el bastidor del dispositivo para la alimentación de productos viejos reciclables de todo tipo, de preferencia metálicos, como por ejemplo carrocerías viejas de automóvil y/o chatarra prensada en paquetes, estando al menos un rodillo de arrastre superior apo...

SE PRESENTA UN CATALIZADOR DE RESINA DE INTERCAMBIO DE IONES QUE CONTIENE UN COPOLIMERO DE ESTIRENO-DIVINILBENCENO SULFONADO, CON UNA ESTRUCTURA POROSA ESPECIAL. EL CATALIZADOR ES ADECUADO PARA LA REACCION DE CONDENSACION ENTRE UN FENOL Y UN COMPUESTO DE CARBONILO PARA PREPARAR BISFENOL, ESPECIALMENTE ADECUADO PARA LA REACCION DE CONDENSACION ENTRE FENOL Y ACETONA PARA PREPARAR BISFENOL A.; An ion...

Detector de incendios, comprendiendo al menos un sensor (6, 14, 15) para la detección de al menos una magnitud característica de incendio, así como un circuito de evaluación (7) apto para activar una alarma en caso de ser sobrepasado por la respectiva magnitud característica de incendio un primer valor prefijado, caracterizado porque por dicho al menos un sensor (6, 14, 15) es realizada adicionalm...

The present invention relates to a process for the production of rigid polyurethane foams containing exfoliating graphite. In a preferred embodiment the foams of the present invention pass severe flame retardant tests such as the M1 burning test. Foams which pass the M1 burning test are produced by reacting a polyisocyanate, a polyol, a halogenated polyol, in the presence of a blowing agent, a cat...

There is provided an easily adhesive, biaxially oriented laminated polyester film for optical use which has excellent adhesion, transparency and easy slipperiness. The biaxially oriented laminated film has a coating layer formed on at least one surface of an aromatic polyester film, the coating layer containing either a polyester resin, an acrylic resin and wax or a polyester resin and an acrylic ...

A barrier rib for an EL display element. The rib is formed from the radiation sensitive resin composition containing (A) an alkali soluble resin, (B) a polymerizable compound having an ethylenically unsaturated bond, and (C) a radiation sensitive polymerization initiator.

Procedimiento para la detección de la posición de un vehículo (F1-F4) en una zona especificada (100), en particular en una instalación de almacenamiento, que comprende estas etapas: detección de la magnitud y el ángulo de los vectores de movimientos incrementales del movimiento del vehículo (F1-F4) por medio de un primer dispositivo captador (10); determinación automática de una posición de refere...

Procedimiento para la fabricación de poliésteres de alta viscosidad, caracterizado porque una premezcla de poliéster de baja viscosidad y un compuesto oxazolínico se mezclan con un poliéster de mayor viscosidad en forma sólida como mezcla seca y, a continuación, la mezcla seca se procesa y porque el poliéster de baja viscosidad tiene una viscosidad relativa en solución menor de 1, 75 y el poliéste...

Sistema de repetidores para UMTS con intercambio espectral entre las bandas de frecuencia UMTS así como método de acceso. Está constituido por: -una o varias estaciones base celular UMTS. -uno o varios repetidores cercanos. -uno o varios repetidores remotos. -terminales remotos celulares UMTS. La o las estaciones celulares dan servicios de comunicaciones celulares UMTS a los terminales cercanos de...

The present invention provides a decomposition treatment liquid for a cured unsaturated polyester resin, comprising a phosphoric acid-type compound or salt rthereof and an organic solvent as essential components. By using the treatment liquid of the invention, a cured unsaturated polyester resin can be easily decomposed or dissolved.

A method for producing a regenerated fluororesin, characterized in that it comprises subjecting a used melt-molded fluororesin article to a heat treatment at a temperature of from room temperature to the melting point of the resin; a method for producing a regenerated fluororesin, characterized in that it comprises subjecting a used melt-molded fluororesin article to a supercritical washing treatm...

Difference in retardation between two points separated by 1 cm along the TD direction of a polyvinyl alcohol polymer film 6 is 5 nm or less. The length of a surface for drying a polyvinyl alcohol polymer film 6 is 3 m to 200 m, and the water content of the polyvinyl alcohol polymer film 6 when peeled after passing through the drying surface is 50% by weight or less, in film formation.

An extruded, coalesced foam strand propylene polymer material that is either open-celled and useful for sound insulation applications or close celled and useful for thermal insulation applications.An apparatus suitable for preparing such foams with an expanded cross-section.

An expandable vinyl chloride resin composition in which the expansion ratio for the vinyl chloride resin can be significantly heightened by using a thermally decomposable inorganic foaming agent in place of an organic solvent foaming agent. The composition comprises 100 parts by weight of a vinyl chloride resin, 5 to 30 parts by weight of a (meth)acrylic ester polymer, as a processing aid, whose s...

This invention is to provide a pullulan-containing powder and a process for the manufacture thereof and a use thereof, which solve such weak points of the pullulan-containing powder produced by using a conventional manufacturing technique as causes the separation when mixed in the powdery state with a nonreducing sugar of a glucose as the constitutive sugar and is difficult to dissolve in water, a...

The object of the present invention is to provide an aliphatic polyester stretched film which has excellent flexibility and heat resistance and manifests no bleeding of a plasticizer, an aliphatic polyester composition which is a raw material of the stretched film, and a package using the stretched film. There are provided an aliphatic polyester composition comprising 10 to 60 parts by weight of a...

A composition comprising (A) a silanol group-bearing silicone resin comprising 30-100 mol% of T units: R<1>-SiZ3 and among the entire T units, 30-80 mol% of T-2 units containing only one silanol group: R<1>-Si(OH)Z'2 wherein R<1> is a monovalent hydrocarbon group, Z is OH, hydrolyzable group or siloxane residue, at least one Z being a siloxane residue, and Z' is a siloxane residue, and having a nu...

SE DESCRIBE UNA COMPOSICION DE RESINA REACTIVA, QUE ES UN PRODUCTO DE REACCION CON FUNCIONES EPOXI, CURABLE POR CALOR, OPCIONALMENTE ESPUMABLE, SOLIDO Y FUNDIBLE, QUE PRESENTA UN PUNTO DE FUSION DE BANCO DE CALOR KOFLER NO MENOR QUE 55 C, QUE SE FORMA MEZCLANDO: (A) RESINAS EPOXI DE COMPUESTOS QUE CONTIENEN GRUPOS EPOXI; (B) UN SISTEMA SOLIDIFICANTE DE AMINA PRESENTE EN CANTIDADES INSUFICIENTES PA...