Abstract: Continuous mixing apparatus provide rapid production of a mixture of high uniformity, low viscosity, low density, high stability after mixing, without an increase in amounts of subsequently supplied liquids. Continuous production of liquid or liquid containing mixtures consists of (i) continuously loading the apparatus casing with materials of different types which are flowable such as different liquids or a powder and a liquid, (ii) mixing the components between independently rotating upper and lower bladed disk turbine impellers to form a coarse mixture, and (iii) mixing the coarse mixture with an additional portion of a liquid being continuously supplied to the casing. The apparatus includes upper and lower bladed disk turbine impellers disposed in a mixing chamber within a casing. The impellers are capable of being rotated independently at different rotational speeds. A plurality of blades are attached to the impellers. Upper and lower ring shaped baffles extend from the inner wall of the casing.

Abstract: A continous mixing apparatus has an upper rotary disk and a lower rotary disk able to rotate independently of one another. A plurality of scrapers are attached to the upper and lower sides of the upper and lower rotary disks. Scrapers on the lower side of the lower rotary disk have a notch enabling the scrapers to pass over a lower ring plate in the mixer. Material to be mixed is supplied to an upper portion of the mixer, and the product is discharged from a lower portion of the mixer. The device is constructed to enable any subsequently replenished liquids to not rise to the top of the mixing apparatus. The device produces a mixture that is uniform, highly stable, and that has a small particle size or a low viscosity which can be manufactured quickly.

Abstract: An efficient method is provided for producing water based coating compositions that are capable of forming highly scratch and abrasion resistant matte coatings in which crosslinked silicone particles are well dispersed. The method involves addition to a water based coating composition of a waterborne suspension of crosslinked silicone particles having an average diameter of 0.1-200 &mgr;m. The method is characterized in that the suspension is a waterborne crosslinked silicone particle suspension provided by effecting crosslinking of a condensation reaction crosslinkable silicone composition comprising (A) an organopolysiloxane containing at least two silanol groups in each molecule, (B) a crosslinker, and (C) a condensation reaction catalyst. The crosslinking is effected in the emulsified composition in an aqueous solution of an anionic surfactant.

Abstract: A method for producing organopolysiloxane comprising (A) polymerizing or increasing the viscosity of straight-chain or cyclic organo(poly)siloxane using an acid-active solid catalyst, (B) adding at least one zeolite solid adsorbent, and (C) thereafter filtering off the adsorbent.

Abstract: A liquid silicone rubber composition for fixing rolls comprising: (A) a diorganopolysiloxane which has at least two silicon-bonded alkenyl groups in each molecule and is liquid at room temperature, (B) an inorganic filler, (C) an organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in each molecule, (D) a platinum catalyst, and (E) a particulate hydroxide or oxide of an alkali metal or a particulate hydroxide or oxide of an alkaline earth metal; and a fluorocarbon resin-covered fixing roll produced by providing a fluorocarbon resin layer on the peripheral surface of a roll shaft across a silicone rubber layer, wherein said silicone rubber layer is produced by curing the above-mentioned liquid silicone rubber composition.

Abstract: A silicone rubber based coating composition for air bags comprising about 0.1 to 50 wt % of spherical powder with an average particle size of about 10 &mgr;m to 300 &mgr;m.

Abstract: Radical-polymerizable organic group-containing branched siloxane-silalkylene copolymer represented by the general formula: {in the formula, Y is a radical-polymerizable organic group, R1 is 1-10 carbon alkyl or aryl, and X1 is a silyl-alkyl group represented by the following formula in the case when i=1: (in the formula, R1 is the same as aforesaid, R2 is 2-10 carbon alkylene, R3 is 1-10 carbon alkyl, and Xi+1 is a group selected from the group comprising a hydrogen atom, 1-10 carbon alkyl, aryl and the aforesaid silylalkyl group, i is an integer from 1 to 10, which indicates the generation number of the said silylalkyl group and ai is an integer from 0 to 3)}, silicone-containing organic polymer made by polymerizing the said copolymer and method for production thereof.

Abstract: The present invention relates to a water-based fiber treatment agent that has the ability to equip fibers with such properties as an excellent smoothness and lubricity, a reduced tack, and an appropriate or moderate slickness.

Abstract: A curable organosiloxane composition comprising: (A) an organopolysiloxane having at least two silicon atom-bonded alkenyl groups per molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule; (C) a compound having an alkenyl group and a phenol residue of the formula: where R1 is an alkyl group or alkoxy group, a is 1 or 2, and b is an integer from 0 to 3; and (D) a hydrosilylation reaction catalyst.

Abstract: A water based fiber treatment agent and fiber treatment method impart to treated fibers a perfect smoothness, lubricity, reduced tackiness, and pleasant tactile sensations. The water based fiber treatment agent contains a silicone oil emulsion of crosslinked silicone particles with an average diameter of 0.01 to 100 &mgr;m which are in silicone oil drops having an average diameter of 0.05 to 500 &mgr;m, and then the silicone oil drops are dispersed in water. The diameter of the crosslinked silicone particles is smaller than the diameter of the silicone oil drops.

Abstract: A polyester fiber treatment composition is capable of imparting good handle to polyester fiber, particularly polyester fiber wadding, padding, or fill, and consists of a water-based emulsion containing (A) an aminofunctional organopolysiloxane endblocked by alkoxy groups at its molecular chain terminals, (B) an aminofunctional organopolysiloxane endblocked by silanol groups at its molecular chain terminals, (C) a nonionic surfactant, and (D) water.

Abstract: A continuous method for performing a hydrosilylation reaction comprising effecting a hydrosilylation reaction between a liquid organosilicon compound (A) having in each molecule at least one silicon-bonded hydrogen atom and a liquid organosilicon compound (B) having in each molecule at least one aliphatic unsaturated bond in the presence of a platinum catalyst (C) continuously in a tubular reactor equipped with a stirring and plug-flow maintaining apparatus located within the reactor.

Abstract: An adhesive composition for bonding of semiconductor chips to their chip mounting component comprising a curable polymer composition that comprises a spherical filler having an average particle size from greater than 100 to 1,000 &mgr;m and an aspect ratio of 1 to 1.5. Semiconductor devices according to this invention are characterized in that a semiconductor chip therein is bonded to the mounting component for said chip by the aforementioned adhesive.

Abstract: A method for synthesizing 1,3-dihydroxytetramethyldisiloxane comprising effecting the hydrolytic dehydrogenation of 1,1,3,3-tetramethyldisiloxane in the presence of water and a transition metal catalyst from Group VIII of the long-period form of the Periodic Table.

Abstract: A silicone rubber composition useful for keypads comprising a silicone rubber base produced by mixing under heat (A) a cross-linkable diorganopolysiloxane and (B) 20 to about 250 parts by weight calcium carbonate powder per 100 parts by weight of component (A), and (C) a curing agent consisting of (i) an organic peroxide or (ii) an organohydrogenpolysiloxane and a platinum catalyst in an amount sufficient to effect cure of the composition.

Abstract: A cement composition comprising (A) hydraulic cement, (B) a silicone oil emulsion containing crosslinked silicone particles with an average particle size of from 0.05 &mgr;m to 100 &mgr;m in drops of silicone oil with an average size of 0.1 &mgr;m to 500 &mgr;m dispersed in water, the particle size of the crosslinked silicone particles being smaller than the size of the silicone oil drops, in an amount such that the total weight of the silicone oil and crosslinked silicone particles in component (B) ranges from 0.1 parts by weight to 50 parts by weight per 100 parts by weight of component (A), and optionally (C) aggregate.

Abstract: A sizing agent composition for printing paper comprising (A) a water-soluble diorganopolysiloxane described by formula  where each R is independently selected from the group consisting of a hydrogen atom, methyl group, and ethyl group, each R1 is an independently selected monovalent hydrocarbon group comprising 1 to 20 carbon atoms, Q is an organic group comprising an amino group or quaternary ammonium salt, m is an integer equal to or greater than 2, n is 0 or an integer equal to or greater than 1, and (m+n) is in the range of 2 to 100; (B) a sizing agent; and (C) water.

Abstract: An emulsion of silicone oil or organic oil possesses excellent stability and contains cross-linked particles in drops of silicone oil or organic oil dispersed in water. The particles have an average diameter of 0.05 &mgr;m to 100 &mgr;m and are prepared by hydrosilylating a cross-linkable liquid composition of (A) an organic compound having at least two aliphatic unsaturated bonds in its molecule; (B) a silicon-containing organic compound having at least two silicon-bonded hydrogen atoms in its molecule; (C) a hydrosilylation reaction catalyst; and (D) an organopolysiloxane having at least one alkenyl group in its molecule. The particles are contained in drops of silicone oil or organic oil with an average diameter of 0.1 &mgr;m to 500 &mgr;m that are dispersed in water.

Abstract: A thermally conductive silicone rubber composition, comprising (A) a curable organopolysiloxane (B) a curing agent; and (C) a filler prepared by treating the surface of a thermally conductive filler with an oligosiloxane having a formula selected from (i) (R1O)aSi(OSiR23)(4−a) and (ii) (R1O)aR2(3−a)SiO[R22SiO]nSi(OSiR23)bR2(3−b) wherein R1 is alkyl, each R2 is independently a monovalent hydrocarbon group free of aliphatic unsaturation, subscript a is an integer from 1 to 3, b is an integer from 1 to 3, and n is an integer having a value greater than or equal to 0.

Abstract: A silicone adhesive sheet for bonding a semiconductor chip to a chip attachment component comprising a crosslinkable silicone composition containing a silatrane derivative, and a method for manufacturing a silicone adhesive sheet by subjecting a crosslinkable silicone composition containing a silatrane derivative to a crosslinking reaction between backing materials that do not stick to the crosslinked product of said composition, where at least one of the backing materials has a larger dielectric constant than that of the crosslinked product. The present silicone adhesive sheet allows a semiconductor chip and a chip attachment component to be bonded in a short time at a relatively low temperature.