PURPOSE:To efficiently and uniformly humidify powder by supplying the liquid for humidification to the powder fluidized by a gas supplying means from a spray nozzle and vibrating the powder having been supplied with the liquid for humidification through the nozzle. CONSTITUTION:A trough 22 is vibrated by a vibrator 29-30, and the powder is supplied to the trough 22 by a powder supplying means 42, ...

Composite material of low permittivity consisting of a base material comprising polymer material and particles of thermofusing fluororesin dispersed therein.

This invention relates to a composition of matter having a fibre structure incorporating a major proportion of heat shrinkable fibres, the structure includes within it discreet fibre groupings which serve to provide structural elements within the composition. The composition of the invention is capable of being formed to provide shaped products. A particular aspect of the invention relates to comp...

PURPOSE:To obtain the above fine particles having an extremely small and uniform particle diameter, by hydrolyzing an organotrialkoxysilane and subjecting the resultant organosilanetriol (partial condensate) to polycondensation reaction. CONSTITUTION:An organotrialkoxysilane expressed by formula I [R<1> is monofunctional (substituted) hydrocarbon; R<2> is (substituted) alkyl] is hydrolyzed in the ...

The known exhaust boiler of the type that a high-pressure superheater, a high-pressure steam generator, a high-pressure economizer, a low-pressure steam generator and a low-pressure economizer are disposed sequentially from the upstream side within an exhaust gas flow passageway, and a denitrification apparatus is disposed upstream of the high-pressure economizer, is improved so as to achieve maxi...

Virgin poly(arylene sulfide) resins are oxidatively cured by heat treatment at an elevated temperature below the melting point of the resin, under an oxidizing atmosphere comprising less than a 20 volume % oxygen concentration. The resulting polymer exhibits drastically improved thermal stability with no apparent sacrifice in physical properties.

An electronic circuits (11, 12) are mounted on a metal base (13). The metal base is covered by a mold resin case (16) at the peripheral portion thereof. A projected portion (29) is formed along all the peripheral edge portion of the metal base. A step portion is formed to the metal base next to the projected portion of the metal base. A groove (28) is formed along all the peripheral portion of the...

A control system for a power train provided in a vehicle to include an engine (1) which has an engine output adjusting device (3), such as a throttle valve, controlled through an electric actuator (4) in accordance with a controlled variable on an accelerator and an automatic transmission (5) in which a speed change operation is automatically performed by means of operating oil pressure produced i...

A process is provided for the preparation of expanding-contracting hydrogel composites which process comprises the steps of adding solid particles of a polyelectrolyte to a polyvinyl alcohol solution and subjecting the mixture to a low temperature treatment to cause gelation of the polyvinyl alcohol with the polyelectrolyte dispersed as a heterogeneous phase (i.e. solid particles) within the polyv...

A process for producing a polyethylene material for use in products requiring high mechanical strength and high elastic modulus is disclosed. The process involves the use of a specific class of particulate polyethylenes having an intrinsic viscosity of 5 - 50 dl/g in decalin at 135 DEG C and the steps of compression-molding, solvent-immersing, solid-phase extruding or rolling and finally drawing t...

Polymeric compositions are provided in which perfluoropolyethers have been solubilized in non-fluorinated solvents by combining them with a solubilizing agent such as azotic conjugated compounds, and phosphorylated compounds. Typical of the perfluoropolyethers is +TR Typical of the solubilizing agents is phosphorylated methacryloyloxyhydroxypropylisophthalate. The perfluoropolyet...

The subsurface position of a blowing well with respect to an adjacent relief well is determined by detecting at a plurality of axially and tangentially spaced locations in the relief well acoustic waves emanating from a subsurface location of the blowing well. The distance between the wells is calculated on the basis of the difference in times of arrival of the waves at said axially spaced locatio...

Polyorganosiloxane foams exhibiting a desirable combination of low density, an average cell size between 0.2 and 4 mm and a cell concentration of at least 4 per linear centimeter are obtained by dispensing and curing moisture curable organosiloxane compositions containing a dispersed liquid or gaseous blowing agent and, as a foam stabilizer, a resinous organosiloxane copolymer comprising trimethyl...

A matte film made of a composition comprising (a) from 3 to 20 parts by weight of a polyarylate resin made of terephthalic acid, isophthalic acid (the molar ratio of the terephthalic acid group to the isophthalic acid group being from 9:1 to 1:9) and a bivalent phenolic compound, (b) from 60 to 94 parts by weight of a linear polyester resin and (c) from 3 to 30 parts by weight of a styrene resin o...

An all wheel drive for a motor vehicle including a limited slip intermediate differential arranged between the front and rear axles of the vehicle. A plate clutch is included for providing a rotational moment as a function of the rotational speed difference relationship characteristic, to be transferred to the front axle from the rear axle which is different from the rotational moment transferred ...

Olefin polymer foams having improved cell structures and relatively smooth outer surfaces produced by foaming a composition containing a thermoplastic olefin polymer, p,p'-oxybis-benzene sulfonyl hydrazide, a monomeric acrylate ester of a polyhydric compound and an organic peroxide. These foams can be formed into shaped articles of desired configuration by conventional thermoforming molding techni...

The present invention relates to new water-soluble copolymers based on acrylic acid derivatives and their use as building material auxiliaries.

A new polymer composition comprises an aromatic polyetherketone or mixture thereof containing the repeating units -O-Ph-O-Ph-CO-Ph-I and -O-Ph-Ph-O-Ph-CO-Ph-II (where Ph is phenylene) in the relative molar proportions I:II of 95:5 to 60:40 and 5-80% w/w of a fibrous reinforcing agent. It is suitable for producing shaped articles of high damage tolerance by hot fabrication followed by slow cooling.

The finely divided cured silicone rubber particles of the present invention contain at least one member of a specified class of silanes or their partial hydrolysis products. The silane is present either in the free state or chemically bonded to the silicone rubber, and the particles have a particle diameter of 1 mm or less. The particles exhibit excellent compatibility with a variety of materials,...

PCT No. PCT/EP87/00729 Sec. 371 Date May 23, 1989 Sec. 102(e) Date May 23, 1989 PCT Filed Nov. 25, 1987 PCT Pub. No. WO88/04010 PCT Pub. Date Jun. 2, 1988.A method and apparatus for burning carbonaceous materials in a fluidized bed reactor comprising a bottom region and a top region, and containing a fluidized bed, with the heat of combustion being dissipated at least via wall cooling surfaces, an...