The present invention discloses a method for treating the surfaces of natural rubber gloves used during surgical procedures and more specifically, to a method for treating the surfaces of a natural rubber gloves in a process for producing natural rubber gloves which are exellent in wearing and in handling of surgical instruments or tools during operative procedures; in said method, the inner and t...

The advanced polyimide reaction product and solutions thereof resulting from the reaction of unsaturated polyimides with alkenylphenols or alkenyl phenol ethers in the presence of specified molar amounts of an amine catalyst at elevated temperatures, the desired degree of resin advancement being reflected in solution stability and melt viscosity values.

The invention relates to a process for the preparation of an elastic, polyurethane-based foam, in particular for use in the automotive sector for sound insulation. In order to be able to produce the foam parts directly in the desired shape in the fewest possible operations, the invention proposes that a mixture of at least one polyurethane precondensate, at least one melamin precondensate and furt...

Eine Kombination aus einem Verbrennungsmotor (5) und einem feinstufigen Getriebe (13) wird so betrieben, daß durch die Stellung eines Fahrpedals die Motorleistung vorgegeben wird und parallel dazu die Motordrehzahl bestimmt wird, und zwar so, daß sich minimaler Kraftstoffverbrauch einstellt. Sind aufgrund der Stellung des Fahrpedals (FPS) die Sollwerte für die Drehzahl (n) und für die Motorleistun...

Vernetzte Hydrogele, insbesondere für medizinische Anwendungen, dadurch erhältlich, daß natürliche oder synthetische makromolekulare Verbindung mit hydrophilen Gruppen durch Alkoxysilylverbindungen bei pH-Werten im neutralen bis sauren Bereich in wäßrigem Medium vernetzt werden, wobei unter hydrophilen Gruppen Hydroxylgruppen ( -OH), Carboxylgruppen ( -COOH), Amidgruppen ( -CONRR', mit R,R' gewähl...

A suspension comprising a dispersing medium containing at least 2% by weight of a fine particles of cellulosic material having a 50% cumulative volume diameter of from 0.3 to 6 mu m, wherein a cumulative volume ratio of those particles having a diameter of not more than 3 mu m is at least 25% is disclosed. The suspension is obtained by a process comprising subjecting a cellulosic material to a d...

A stable aqueous emulsion compositions containing an amino-functionalized polyorganosiloxane containing at least two amino-functionalized groups per molecule, one or more silanes and optionally a hydroxy terminated polydiorganosiloxane; textiles treated with the stable aqueous emulsion compositions; and processes for the preparation of stable aqueous emulsions of amino-functional polyorganosiloxan...

A differential (1) for use in a car includes a case (2) rotatable around an axis (6), an input gear (12) fixed to the case coaxially with the axis of the case, a pair of output shafts (11a,11b) which are rotatably supported by the case coaxially with the axis (6) of the case and protrude from opposite ends of the case, a pair of intermeshing first gears (8a,8b) disposed in the case at opposite sid...

A nonwoven planar preform sheet for a polymer composite consisting of 20% to 80% by weight reinforcing fibers and 20% to 80% by weight matrix resin, said reinforcing fibers being from 1/8 to 6 inches in length and from 1 to 50 micrometers in diameter, and being arrayed in the composite as chips of from 2 to 5000 parallel filaments, each substantially uniformly coated with matrix resin, all of the ...

A device comprises a radiation source powered by a power-supply source, an optical system for projecting the radiation produced by the radiation source onto at least one radiation-sensitive semiconductor via an information carrier, and for each radiation-sensitive semiconductor an A/D converter intended to convert, during operation, an analog signal proportional to the detected radiation intensity...

A magneto-optic disk drive (10) includes cartridge-receiving guide tracks (52) and a push-latch mechanism (56) mounted in an upper portion of a half-height enclosure (12-22), and a baseplate assembly (50) pivotally mounted in a lower portion of the enclosure. The baseplate assembly (50) includes a baseplate (76), a drive motor (74) and spindle mounted to the baseplate (76), and a rotary arm (70) m...

A process for the production of expanded resin particles is disclosed, wherein an aqueous dispersion containing expandable particles of a polyolefin resin is discharged at a temperature higher than the softening point of the resin from a high pressure condition to a low pressure condition to expand the expandable particles and wherein the expandable particles contain fine particles of an inorganic...

Metallic filaments, esp., metal-coated fibers, are surface treated by a combination of silane and poly (vinyl acetate) and exhibit improved processability when used in the form of filaments, yarns or tows in knitting and weaving machines, and produce composites with thermosetting organic polymers, having enhanced physical properties.

A photodetector comprising a photocell assembly including a substrate and at least one photocell formed on the substrate and having a light receiving face. The photocell assembly is completely embedded in a transparent resin molded body which has a light receiving surface defined therein so as to permit an incoming light incident thereupon to travel direct to the light receiving face of the photoc...

The object of the invention is a noise reduction device in toothed gearings with an alternating sense of direction of the transferred torque. In order as far as possible to avoid the noises occurring as a result of the alternating sense of direction of the transferred torque, and to achieve a reduction in the technical complexity required for this purpose, a cam (5) is arranged on the shaft (1) of...

The device comprises a differential (D) and a friction-coupling device (31) arranged between an input member (10, 11) and an output shaft (17), for limiting the slip or, in other words, the difference in speed between the two output shafts (16, 17). The coupling (D) is arranged outside an internal differential casing (15) and ramps (28) are provided between the input member (10, 11) and the intern...

Particulate nonrubber materials derived from serums byproduced during coagulation of nayrual rubber latexes consist essentially of nonrubber components present in those serums and have an average particle size of 10 to 100 microns. The materials are suitable for instance for rubber products and pharmaceuticals manufacture, and may be produced by spray-drying the serums at 150 DEG to 250 DEG C.

Expanded articles of biodegradable plastics material are produced by the extrusion of a composition including starch, a polymer compatible with starch, in particular, an ethylene-acrylic acid copolymer and/or ethylene-vinyl alcohol copolymer, and an expanding agent. Preferably use is made of sodium bicarbonate as expanding agent in the presence of a polymeric acid.

Disclosed are laminates of polyvinyl fluoride and at least one other fluoropolymer that are free from adhesive at the interface and a process for preparing the laminates by dispersion coating a first film to form a second film and curing the second film at a temperature below the melting point of the first film.

A nail drying apparatus by which any commercially available nail polish of any color can be dried after being applied to a person's finger or toe nails. The apparatus consists of a photo-reactive coating and a device that generates ultraviolet radiation. The photo-reactive coating is applied over the wet nail polish and then irradiated with safe dosages of ultraviolet radiation causing the nail po...