Stabilised compositions comprising 1,1-dichloro-1-fluoroethane (HFA-141b), a styrene derivative and a costabiliser chosen from alcohols comprising less than 3 hydroxyl groups and non-functionalised alkenes. These compositions can be used in particular in premixes for polyurethane foams.

Water-atomized iron powder for powder metallurgy having a hardness of particle cross section of from about Hv 80 or higher to about 250 or lower, the iron powder having been atomized with water and dried, and having a particle surface covered with oxides which are reducible in a sintering atmosphere, and which has an oxygen content of 1.0 wt% or less. The water-atomized ion powder can be made by a...

Polyurethane, polyisocyanurate and polyurea polymers, particularly foamed polymers can be prepared from formulations including non-silicone polyether surfactants. The non-silicone polyether surfactants can be polyethers having from about 10 to about 90 weight percent oxyethylene units and from about 10 to about 90 weight percent oxyalkylene units having at least 4 carbons. The non-silicone polyeth...

Workpiece holding unit (1) with the substrate plate (2) is placed into sleeve (6). Before application of each subsequent layer, the sleeve is raised (or the workpiece (3) is lowered) so that the level of the sleeve edge coincides with the top surface of the last layer. Spaces between workpiece contours and between the workpiece and the sleeve edge are filled with mineral or ceramic powder. The met...

An improved mobile agricultural products crop input control system including a delay coordinating system (50) particularly adaptable for use in site-specific (precision) farming, wherein selected discrete delay information unique to each on-board crop input storage release point (62), crop input transport system (70), and/or crop input dispensing point (80) is combined with anticipated field refer...

Thermal insulating device with an open celled polyurethane foam core, evacuated and refilled with an insulating gas.

The invention concerns a method for binding together a fluorinated polymer and an elastomer by incorporating a fire-proofing agent such as antimony trioxide and adhesive agents comprising organophosphonium salts in the elastomer, thereby causing the fluorinated polymer to be dehydrofluorinated to produce a double bond in the fluorinated polymer monomer unit and form a chemical bond with the elasto...

Aufwuchskörper zur Immobilisierung von Mikroorganismen, insbesondere zur Verwendung in Abwasser-Reinigungsanlagen, bestehend aus einer Matrix, in welche ein biologisch abbaubares Substrat inkorporiert ist, bei dem die Matrix aus einem biologisch abbaubaren Biopolymer besteht, welches erheblich langsamer abbaubar ist als das Substrat, und in welches das Substrat in Form von mit Abstand zueinander a...

Die Erfindung betrifft ein Verfahren zur Herstellung von Wasser als einzigem Treibmittel enthaltenden Styrolpolymerisaten durch Polymerisation von Styrol in wässriger Suspension in Gegenwart von 0,1 bis 5 Gew.-% einer thermolabilen organischen Verbindung, die bei erhöhter Temperatur in amphiphile und/oder hydrophile Verbindungen zerfällt, wobei die maximale Polymerisationstemperatur höher ist als ...

Die Erfindung betrifft ein Verfahren zur Herstellung von Wasser als einzigem Treibmittel enthaltenden Styrolpolymerisaten durch Vermischen einer Polystyrol-Schmelze mit Wasser und einem Emulgierhilfsmittel in einem Extruder, Auspressen der Schmelze in ein Wasserbad und Granulierung des abgekühlten Stranges.; The invention relates to a method for producing styrene polymers containing water as only ...

Die Erfindung betrifft ein Verfahren zur Herstellung von Wasser als einzigem Treibmittel enthaltenden Styrolpolymerisaten durch Polymerisation von Styrol in wässriger Suspension. Die Polymerisation wird in Gegenwart von 5 bis 30 Gew.-% in Styrol gelöstem EPS-Recyclat durchgeführt, welches von der EPS-Herstellung her übliche Beschichtungsmittel enthält.; The invention relates to a method for produc...

Die Erfindung betrifft ein Verfahren zur Herstellung von Wasser als einziges Treibmittel enthaltenden Styrolpolymerisaten durch Polymerisation von Styrol in wässriger Suspension in Gegenwart von 0,1 bis 15 Gew.-% einer wasser- und styrolunlöslichen Festsubstanz, z.B. Russ oder Graphit.; The invention relates to a method for producing styrene polymers containing water as only inflating agent by pol...

Ein Erfindung betrifft ein Verfahren zur Herstellung von Polystyrol-Schaumstoffpartikeln, wobei Polystyrolperlen, die Wasser als einziges Treibmittel enthalten, verschäumt werden. Das Verfahren umfasst folgende Stufen: a) die Polystyrolperlen werden bei Temperaturen oberhalb von 100 DEG C angeschäumt, b) die angeschäumten Partikel werden in trockener Luft von 20 bis 95 DEG C 1 bis 10 Stunden lan...

A process for the manufacture of devulcanized rubbers from a base material of rubber crumbs derived from tire scraps and other high filler loaded rubber products, post industrial wastes, rubber rejects, and use-exhausted rubber articles. The process comprises mixing the rubber crumbs with a particular polymeric additive composition at elevated temperature until devulcanization to the desired visco...

Objective: the objective of the present invention lies in shortening the compost preparation period by a simple method and preventing contamination of underground water. Constitution: film for accelerated compost fermentation which is characterized in that it comprises a composition in which the chief component is polymer containing polyether chains as structural units, and where the water vapour ...

A polyamide fiber-reinforced elastomer composition excellent in processability, durability, modulus of elasticity, strength and frictional performance, which comprises (a) 100 parts by weight of at least one rubbery polymer having a glass transition temperature of 0 DEG C or below, (b) 1 to 40 parts by weight of polyolefin, (c) 1 to 70 parts by weight of a thermoplastic polyamide fiber containing...

A synthetic fiber capable of absorbing and desorbing moisture comprising a component capable of absorbing and desorbing moisture and a fiber-forming polymer. The fiber of the present invention has a moisture absorption of 1.5 % or more when it is allowed to reach a moisture equilibrium under the circumstance of 25 DEG C x 60 % RH and then is allowed to stand for 30 min. under the circumstance of ...

A method using a telephone calling card to transact commerce electronically. In one embodiment a user initiates a phone call to a merchant using a calling card provided by a service provider. The service provider initially checks the identify of the user through the use of a PIN code (1). Once the user's identity is validated the user's call to the merchant is established. The user and merchant th...

A data distributing system includes data sources capable of transmitting data items, and a data selling apparatus capable of receiving data items from data sources and adapted for selling received data items to a user. The data selling apparatus includes a data selector operated for selecting the data item desired by the user, a data source selector for selecting, from among the data sources, a da...

Rapid and secure covering of an object lens by means of a simple and easy constitution prevents dust deposit on the object lens. A movable part (34) is transferable along the direction of the axial center of a clamper (26) and is connected to the clamper (26) so as to face the standby position of an optical pickup (20). When a disk (14) is not placed on a turntable (18), the movable part (34) is l...