Abstract: An anti-static-treated film material having an electro-conductive layer is disclosed. The film material contains at least one selected from conductive particles and semi-conductive particles at an amount between 1 and 50 vol. % with respect to said electro-conductive layer and polymer particles having an average particle diameter of 0.01 to 5 .mu.m, and the absolute value of impedance of said film material under frequency at 20 Hz is between 4.times.10.sup.5 and 1.times.10.sup.20 .OMEGA.. The film material is suitably used as a support of asilver halide light sensitive material.

Abstract: A silver halide photographic light sensitive material is disclosed, comprising a support having on the support a silver halide emulsion layer comprising silver halide grains, wherein at least 50% of the total grain projected area is accounted for by tabular grains having an aspect ratio of 2 or more, at least one of subbing layers provided on both sides of the support comprising colloidal tin oxide sol.

Abstract: A method for processing a silver halide photographic light-sensitive material is disclosed.

Abstract: An image recording material improved in its physical property is disclosed, comprising composite polymer particles which comprise inorganic particles and a hydrophobic polymer compound containing a repeating unit represented by the following formula. The composite polymer particles are formed by polymerizing, in the presence of the inorganic particles, a composition containing a hydrophobic monomer.

Abstract: A plastic film material comprising a layer is disclosed, the layer containing in admixture a binder and particles comprising a compound in an amount of 70% or more by weight of the particles, the particles having a volume specific resistance of not more than 10.sup.9 .OMEGA.cm and the compound comprising an element selected from the group consisting of H, B, C, N, O, F, P, S and Cl.

Abstract: A silver halide photographic light-sensitive material is provided, comprising a support having on one side thereof a silver halide emulsion layer, wherein the photographic light-sensitive material has a magnetic recording layer on the other side of the support, and having, on at least one side the support, a layer containing metal oxide particles having a crystallite size, on the average, of 1 to 20 nm.

Abstract: A silver halide photographic light-sensitive material is disclosed. The light-sensitive material comprises a support having a dielectric constant for 100 Hz of not larger than 2.80 having thereon,a silver halide emulsion layer anda particle-containing layer comprising non-light-sensitive fine particles having a volume resistivity of from 10.sup.-2 .OMEGA..cm to 10.sup.8 .OMEGA..cm.

Abstract: A silver halide photographic light-sensitive material which comprises a backing layer containing inorganic particles is disclosed. The photographic material is exelent in curl-balance suitable for transporting during the processing with automatic processing machine. The photographic material may also comprise a magnetic recording layer on the backing layer so that it is allowed to use as magnetic recording.

Abstract: A silver halide light-sensitive photographic material is disclosed which comprises a support and provided thereon, a subbing layer and a silver halide emulsion layer in that order, the subbing layer containing in admixture, a binder, metal oxide particles having a volume specific resistance of not less than 10.sup.9 .OMEGA. cm, and a conductive polymer and the metal being selected from the group consisting of Ti, Si and Al.

Abstract: A light-sensitive silver halide photographic material is disclosed which comprises a support and provided thereon, a light sensitive silver halide emulsion layer, and a conductive layer comprising a conductive material in an amount of 0.01 to 30% by volume and a binder, the conductive material being powder comprising an oxide of a metal selected from Zn, Ti, Al, In, Si, Mg, Ba, Mo, W and V, said powder having a specific volume resistance of not more than 10.sup.7 .OMEGA..multidot.cm and having a particle structure with a linkage of 3 to 1000 primary particles of the oxide.

Abstract: A plastic film material comprising a layer is disclosed, the layer containing in admixture a binder and particles comprising a compound in an amount of 70% or more by weight of the particles, the particles having a volume specific resistance of not more than 10.sup.9 .OMEGA.cm and the compound comprising an element selected from the group consisting of H, B, C, N, O, F, P, S and Cl.

Abstract: An electro-responsive elastomeric material comprising (A) an electrically insulating polymer having a specific modulus of elasticity and (B) a fine powder dispersed in the polymer which electrically polarizes under an electric field independent of water changes its viscoelasticity upon voltage application. The powder has a mean particle size of 0.5 to 500 .mu.m and is (1) a fine carbonaceous powder having a C/H atomic ratio of from 1.2 to 5, (2) composite particles having minute particulates of an insulating material dispersed in a matrix phase of a carbonaceous or carbide material, (3) composite particles having minute particulates of a carbonaceous or carbide material dispersed in a matrix phase of an insulating material, or (4) a fine composite powder of a stratum clay mineral having a two-dimensional stratum structure with a carbonaceous or carbide material incorporated between the strata.

Abstract: A powder having improved oxidation resistance and controlled electrical properties is obtained by dispersing minute particulates in a matrix phase to form composite particles. The minute particulates may be distributed uniformly or non-uniformly such that the particulates are dense near the surface and sparse near the center of each particle or inversely. The matrix phase has a moderate conductivity of 10.sup.-10 to 10.sup.2 Scm.sup.-1, and the dispersed particulates have a low conductivity of up to 1/10 of that of the matrix phase, typically up to 10.sup.-2 Scm.sup.-1. Alternatively, the matrix phase has a lower conductivity and the dispersed particulates have a moderate conductivity. The powder is dispersed in an insulating oily medium to form an electrorheological fluid.

Abstract: Electrorheological fluids display swift and reversible increase in apparent viscosity under application of an electrical potential difference to the fluid, and are composed generally of electrical insulating oily medium and dielectric fine-particles dispersed therein.It is an object of the present invention to provide an electrorheological fluid capable of exhibiting enhanced electrorheological effect with smaller electric power consumption.Electrorheological fluid according to the present invention comprises particulates having a specific gravity of not smaller than 1.2 and water content of not larger than 4 wt. % dispersed in an electrical insulating oily medium havingf P.dbd.N bonds in the molecule.

Abstract: Electrorheological fluids display swift and reversible increase in apparent viscosity under application of an electrical potential difference to the fluid, and are composed generally of electrical insulating oily medium and dielectric fine-particles dispersed therein.At the initial stage of development, electrorheological fluids are prepared by dispersing water-carrying hydrophilic particulates in an electrical insulating oily medium. However, there are such defects as a restriction on usable temperatures so as to avoid evaporation or freezing of the water, an extreme increase in the electric current flow as the temperature raises, inferior stability caused by transfer of water etc.It is an object of the persent invention is to provide nonaqueous type electrorheological fluids having improved electrorheological property.The electrorheological fluid of the present invention is a nonaqueous type electrorheological fluid which comprises organic or inorganic particulates containing not more than 1 wt.

Abstract: A process for producing a normal sintered cubic silicon carbide which comprises sintering cubic silicon carbide powder made up of crystallites of more than 480 .ANG. in size determined from the reflection in the (4 2 0) plane measured by the powder X-ray diffraction method.

Abstract: In a method of producing silicon carbide by heating starting materials comprising siliceous material and carbonaceous material in a non-oxidizing atmosphere, those ingredients contained in gases evolved upon heating and solidified at a low temperature into impurities for silicon carbide are eliminated from the atmosphere during heating.