Composite sheet material (I) is claimed, with a polypropylene (PP) matrix (II) and fibre mat reinforcement (III), i.e. a GMPP composite. At least 5 wt.% of the matrix (II) consists of recycled beverage bottle tops. Also claimed is a process for the prodn. of (I) which comprises melting the bottle tops (opt. after cleaning and crushing) in an extruder and opt. mixing with other matrix components (B...

PURPOSE: To provide an olefin/filler composite material wherein a filler comprises hollow microspheres. CONSTITUTION: A smooth surface tape or sheet of a composite syntactic material consisting of polyolefin and hollow microspheres as a filler is formed by passing the composite syntactic material through a die having a ratio of land length and thickness of below 7:1 to extrude the same. The tape o...

PURPOSE:To provide the method for continuously producing many oxide superconductive films having an uniform characteristic in good reproductivity, and to provide the device for performing the method. CONSTITUTION:The production device contains a means for continuously carrying a substrate stage 5 having substrates thereon at a constant rate, a means for forming an oxide superconductive film on eac...

PURPOSE:To produce the silver sheath wire of Bi2Sr2Ca1Cu2Oy phase excellent in Jc characteristics. CONSTITUTION:This method for thermally treating the silver sheath wire of an oxide superconductor consisting mainly of a Bi2Sr2Ca1Cu2Oy phase is characterized by subjecting the wire to a partial melting treatment, quenching the melted wire in a temperature range just above its crystallization tempera...

PURPOSE:To provide a powdery polymer composition containing a hydraulic substance, good in operating efficiency without causing blocking and having the function to impart the durability to concrete, a repairing material, a flooring material, a waterproofing material and a building material, etc., and a method for producing the flooring material. CONSTITUTION:(1)This powdery polymer composition com...

PURPOSE:To provide the method for producing a fiber-reinforced cement plate exhibiting a sufficient strength, capable of uniformly dispersing a reinforcing material even when a pulp fiber, etc., is used as the reinforcing material, in a dry method production of a molding not containing asbestos. CONSTITUTION:In the dry method cement blending for which cement, a siliceous raw material, a pulp fiber...

A method of providing curable elastomers crosslinked with the aid of metal salts of alpha , beta -ethylenically unsaturated carboxylic acids and, optionally an alkyl aminoalkyl phenol vulcanization inhibitor, having improved adhesive properties is provided. The method of the invention yields cured rubber articles with markedly improved adhesion to metals and synthetic fibers, curable and cured e...

PURPOSE:To obtain a film having excellent transparency, extremely little dependence on film-forming conditions and thickness CONSTITUTION:A polypropylene composition comprises 100 pts.wt. crystalline propylene polymer having less than 5.0 (Mw/Mn) molecular weight distribution and 0.0001-1.0 pt.wt. crystal nucleating agent and has a crystallization temperature at least 15 deg.C or more higher than ...

PURPOSE: To control the torque to be supplied by a drive unit when a motor vehicle is at a stand still or rolling, in a precise way, irrelative to long-term or slowly evolving variations, and taking into consideration the produced loss. CONSTITUTION: An arrangement controls the torque to be supplied by a drive unit of a motor vehicle especially a motor vehicle at a stand still or a rolling motor v...

PUEDEN PREPARARSE, EN CONTINUO Y RAPIDAMENTE, EMULSIONES DE BETUN QUE USUALMENTE TIENEN UN TAMAÑO DE PARTICULA MEDIO RELATIVAMENTE BAJO, MEDIANTE UN PROCESO QUE COMPRENDE ALIMENTAR LOS COMPONENTES DE LA EMULSION EN EL PRIMERO DE, AL MENOS, DOS MEZCLADORES ESTATICOS, DISPUESTOS EN SERIE. ELPRODUCTO SE PASA DESDE EL PRIMER MEZCLADOR AL SEGUNDO MEZCLADOR MANTENIDO A UNA TEMPERATURA MAS BAJA QUE LA QU...

SE OBTIENEN MATERIALES BLANDOS DE MOLDEO DE POLIURETANO DE CELULAS ABIERTAS MEDIANTE LA REACCION DE A) POLIISOCIANATOS CON B) AL MENOS DOS POLIETERES, CON UN PESO MOLECULAR DE 400 A 10000 Y QUE MUESTRAN ATOMOS DE HIDROGENO ACTIVOS FRENTE A ISOCIANATOS, EN PRESENCIA DE C) AGUA Y DE D) UNA SOLUCION ACUOSA DE SILICATO ALCALINO, EN UNA CANTIDAD (CALCULADO SOBRE SILICIO) DE 0,001-0,9 PESO-% (RESPECTO A...

COMPOSICIONES QUE CONTIENENAGENTES ESPESANTES EN FORMA DE DISPERSIONES DE SALES SOLIDAS DE POLIMEROS O COPOLIMEROS DE ACIDO ACRILICO CON METALES ALCALINOS O ALCANOLAMINAS EN ACIDOS GRASOS ALIFATICOS, UN PROCEDIMIENTO PARA LA PREPARACION DE LAS MISMAS Y EL USO DE LAS MISMAS COMO AGENTES ESPESANTES EN LAS INDUSTRIAS QUIMICA, COSMETICA, PAPELERA, TEXTIL.; Compositions containing thickening agents in ...

A mixture of benzyl alcohol and hydroxy benzene is disclosed, for use in the bonding together of polyamide articles. In embodiments, the mixture comprises 5 to 50% by weight of benzyl alcohol, 20 to 90% by weight of phenol and 5 to 30% by weight of polyamide. In other embodiments, the mixture comprises 20 to 60% by weight of benzyl alcohol, 20 to 60% by weight of ortho-dihydroxy benzene and 20 to ...

TITLE OF THE INVENTION: BULK POLYMERIZED CYCLOOLEFIN MONOMERS CONTAINING MICROENCAPSULATED BLOWING AGENTS This invention is directed to the use of microencapsulated blowing agents in the bulk polymerization of cycloolefin monomers by ring-opening polymerization. These microencapsulated blowing agents aid in filling molds during reaction injection molding procedures such that both surfaces of the a...

A process in which a blowing agent dispersion is used for producing poly(vinyl chloride) that is particularly well suited for use in insulation covers and the insulation covers made from the resultant poly(vinyl chloride).

A polymer and wood composite structural members can be manufactured by extruding and injection molding a composition comprising polyvinyl chloride, wood fiber and optionally a concentration of an intentionally added waste stream. Such structural members have strength, workability, fastener retention, resistance to rot and insect attack, and thermal properties sufficient to constitute an advanced c...

The invention relates to a composition comprising a polymer and wood fiber composite that can be used in the form of a linear extrudate or thermoplastic pellet to manufacture structural members. The polymer and wood fiber composite structural members can be manufactured in an extrusion process or an injection molding process. The linear extrudate or pellet can have a cross-section of any arbitrary...

Disclosed is a process for adding stabilizers and, optionally, additives to polyolefins in particle form obtained in liquid monomer by means of Ziegler-Natta catalysts, wherein the addition of stabilizers and, optionally, additives is carried out in liquid monomer in a step that follows polymerization, but precedes the flashing of the liquid monomer, after the aluminum alkyl has been deactivated.

La scorie est amenée, dans un courant de scorie (6) provenant d'un récipient intermédiaire (2) sur un cône tournant (3), qui est refroidi par de l'eau par exemple provenant de buses (9), et il est divisé au point d'impact par un courant d'eau sous haute pression (8) provenant d'une buse (7). De préférence, le courant d'eau sous haute pression (8) est dirigé horizontalement, mais tangentiellement à...

Microreflectance infrared (IR) spectroscopy is used to determine the degree of cure of Meta-Paete (pyromellitic dianhydride-oxydianiline ethyl ester) films on metallized substrates. In this method, the infrared bands at 1028 and 1015 cm-1 are used to indirectly monitor ethanol evolution during Meta-Paete cure. The 1015 cm-1 band serves as internal reference, while the 1028 cm-1 band, which corresp...