Abstract: A flame-retardant thermoplastic resin composition comprising (A) 100 weight parts of a thermoplastic resin, (B) 10 to 300 weight parts of particulate metal hydroxide; (C) 0.01 to 50 weight parts of a branched polyorganosiloxane having alkoxy groups and described by average unit formula R1a(R2O)bSiO(4-a-b)/2, where R1 and R2 are monovalent hydrocarbon groups selected from the group consisting of alkyl, alkenyl, and aryl groups, a is 0 or a positive number; b is a positive number; and a+b is a number from 0.75 to 2.5; (D) 0.01 to 50 weight parts of a branched polyorganosiloxane having silanol groups and described by average unit formula R3a(HO)bSiO(4-a-b)/2, where R3 is a monovalent hydrocarbon group selected from the group consisting of alkyl, alkenyl, and aryl groups, a is 0 or a positive number, b is a positive number, and a+b is a number from 0.75 to 2.5; and (E) 0.01 to 10 weight parts of a condensation reaction promoting catalyst.

Abstract: A thermoplastic resin composition comprising

Abstract: A flame-retardant polyolefin-based resin composition, a method for making the composition, and a flame retardant cable coated with the composition. The flame-retardant polyolefin-based resin composition comprises (A) 100 weight parts polyolefin-based resin, (B) 10 to 200 weight parts particulate metal hydroxide, (C) 0.01 to 50 weight parts of an organosilicon compound having at least one hydrosilyl group, and (D) a platinum-based catalyst in an amount of 0.1 ppm to 10,000 ppm in terms of platinum metal per weight part of components (A) and (B) combined.

Abstract: A thermoplastic elastomer composition, method of preparation, and article prepared therefrom.

Abstract: A flame retardant organic resin composition comprising (A) 100 parts by weight of an aromatic ring-containing organic resin and (B) 0.01 to 50 parts by weight of a branched organopolysiloxane described by average molecular formula (R12SiO2/2)a(R2SiO3/2)b(SiO4/2)c(R33O1/2)d(HO1/2)e, where R1, R2, and R3 are monovalent hydrocarbon groups selected from the group consisting of alkyl groups comprising 1 to 12 carbon atoms, alkenyl groups comprising 1 to 12 carbon atoms, and aryl groups comprising 6 to 12 carbon atoms, the content of aryl groups as a proportion of all the monovalent hydrocarbon groups is in a range of 20 mol % to 80 mol %, subscripts a and b are positive numbers, and subscripts c, d, and e are 0 or positive numbers, having a weight average molecular weight within a range of 300 to 10,000, and in which the content of silicon-bonded hydroxyl groups is not more than 1 wt %.

Abstract: A novel carbosiloxane dendrimer is disclosed containing a radically polymerizable group in the molecule and which possesses excellent polymerization reactivity. The carbosiloxane dendrimer can be used to provide organic polymers as afforded by the polymerization of the carbosiloxane dendrimer either alone or with other organic monomers. The radically polymerizable group-functional carbosiloxane dendrimer with the general formula (R1 is C1 to C10 alkyl or aryl, R2 is a divalent organic group excluding C1 to C10 alkylene, b is 1 to 3, X1 is a silylalkyl group, and Y is a radically polymerizable group). Also, dendrimer-containing organic polymer as afforded by the polymerization of (A) the aforesaid carbosiloxane dendrimer and (B) radically polymerizable organic monomer.

Abstract: A flame-retardant polyolefin-type resin composition comprising (A) 100 weight parts polyolefin-type resin, (B) 30 to 200 weight parts powder of a hydrated metal compound, and (C) 0.01 to 50 weight parts branched organopolysiloxane with average unit formula RaSiO(4−a)/2 where each R is a selected from the group consisting of monovalent organic groups selected from the group consisting of C1 to C12 alkyl and C6 to C12 aryl and hydroxyl, wherein aryl constitutes from 50 to 100 mole % of the total monovalent organic groups and the hydroxyl content in each molecule is from 1 to 10 weight %, a is a number from 0.75 to 2.5, and the organopolysiloxane contains at least one RSiO3/2 siloxane unit in each molecule, where R is as previously described. The composition is useful as a flame-retardant coating on electrical cables.

Abstract: A silicone-containing polyimide resin, a silicone-containing polyamic acid, and methods for manufacturing these. More particularly, a silicone-containing polyimide resin with superior heat resistance and flexibility, a silicone-containing polyamic acid for which this polyimide resin is a raw material, and methods for manufacturing these.

Abstract: A highly weathering-resistant coating material exhibits an excellent water resistance and water repellency. The coating material contains a vinyl-type polymer that contains a pendant carbosiloxane dendrimer structure. The coating material is used on construction materials, buildings and structures undercoated with an organic coating material, automobiles, railroad rolling stock, ships, aircraft, and bridges, commercial and industrial plants, and electrical and electronic instruments and devices.

Abstract: A cosmetic raw material possesses excellent compounding stability in cosmetic products. The cosmetic raw material is produced from a vinyl-type polymer having a carbosiloxane dendrimer structure in its side molecular chain. The cosmetic raw material is composed of the vinyl-type polymer having a carbosiloxane dendrimer structure in its side molecular chain, and a solution or a dispersion of a liquid such as a silicone oil, organic oil, alcohol, or water.

Abstract: A water repellent for treating solids provides an durable and robust water repellency. The active ingredient in the water repellent is a pendant carbosiloxane dendrimer-functional vinyl-type polymer. A spray-formulated water repellent for treating solids contains 0.5 to 20 weight % of the pendant carbosiloxane dendrimer-functional vinyl-type polymer, 30 to 98.5 weight % of an organic solvent, and 1 to 50 weight % of a propellant gas.

Abstract: There is provided (i) a resin additive able to impart superior thermal shock resistance even in the case of resins that have absorbed moisture, (ii) a curable resin composition capable of forming a cured resin that has superior thermal shock resistance even after absorbing moisture, and (iii) a cured resin that has superior thermal shock resistance even after absorbing moisture. The resin additive consists of a powder with a mean particle size of 0.1 to 100 &mgr;m of silicone rubber. It has a moisture absorption rate of 0.20 weight percent or less after being treated for 20 hours at a temperature of about 121° C., a pressure of two atmospheres, and a relative humidity of 100 percent. The curable resin composition contains the resin additive, and the cured resin is formed by curing the curable resin composition.

Abstract: A polycarbonate containing repeating units (1) represented by the general formula (1), a polycarbonate molding produced by molding the polycarbonate, and an electrophotographic photoreceptor having a photosensitive layer which has a surface layer containing the polycarbonate: ##STR1## wherein R is an aliphatic unsaturation-free monovalent hydrocarbon group, R.sup.1 is a halogen atom, an alkyl group, an alkoxy group or an aryl group, X is an alkylene group or an alkyleneoxyalkylene group, X' is an alkylene group of 2 or more carbon atoms, an alkyleneoxyalkylene group or oxygen atom, a is an integer of 0 to 4, na is 0 or 1, nb is 1 or 2, nc is 1 or 2, provided na+nb+nc=3, n1, n2, n3 and n4 are 0 or an integer of 1 or more, provided n1+n2+n3+n4 is an integer of 0 to 450.

Abstract: A method for preparaing of an organofunctional organopentasiloxane which finds utility as a modifier for organic resins is disclosed, said method comprising:(I) reacting(A) a cyclotrisiloxane and(B) an .alpha.,.omega.-dihydrogendiorganodisiloxane in the presence of an(C) acid catalystto prepare an .alpha.,.omega.-dihydrogendiorganopentasiloxane having the formulaR.sub.2 HSiO(R.sub.2 SiO).sub.3 SiHR.sub.2wherein R independently represents a monovalent group free of aliphatic unsaturation selected from hydrocarbon or halogenated hydrocarbon groups; and(II) running an addition reaction in the presence of (D) a hydrosilylation catalyst between said .alpha.,.omega.-dihydrogendiorganopentasiloxane and (E) an organic compound containing a monovalent group selected from epoxy or phenol groups as well as an unsaturated aliphatic hydrocarbon group. In a variation of the method, the .alpha.,.omega.

Abstract: The present invention relates to a binder carrier comprising at least magnetic particles and a binder resin. The binder resin contains a thermoplastic silicone-modified acrylic resin which is a copolymer of a polydiorgano-siloxane macromer having an acrylic functional group and a radical-polymerizable organic monomer.The binder carrier of the present invention a long-life binder carrier which eliminates the possibility of carrier deterioration due to toner components, such as a charge-controlling agent and an after-treatment agent, and which is less liable to deteriorate in its chargeability.

Abstract: The invention relates to a silicon-containing polyimide resin comprising (I) 0.1 to 100 mole % of structural units represented by the formula: ##STR1## where Ar.sup.1 is a tetra valent organic group having at least one aromatic ring, R independently represents a monovalent hydrocarbon group free of aliphatic unsaturated bonds, X is selected from an alkyleneoxyalkylene or an alkylene group having 2 or more carbon atoms, Y is an oxygen atom, an alkyleneoxyalkylene group, or an alkylene group having 2 or more carbon atoms, l, m, n are each integers having a value of 1 to 10, p is an integer having a value of 1 to 80, and a is 0 or 1; and (II) 99.9 to 0 mole % of structural units represented by the formula: ##STR2## where Ar.sup.2 is a tetravalent organic group having at least one aromatic ring, and Ar.sup.3 is a divalent organic group having at least one aromatic group.

Abstract: There is disclosed a polyorganosiloxane and a method for the preparation thereof, said polyorganosiloxane having the formula ##STR1## in which R is independently selected from substituted or unsubstituted monovalent hydrocarbon groups, m is an integer having a value of 0 to 500, n is an integer having a value of 0 to 500 and X is selected from a substituted or an unsubstituted monovalent hydrocarbon group or a hindered phenol group which is linked through either a carboxylate ester or an amide moiety, with the proviso that at least one of the X groups is said hindered phenol group.

Abstract: A thermosetting resin composition, comprising: a thermosetting organic resin (A), and an organopolysiloxane (B) represented by the following average unit formula: R.sub.a SiO.sub.(4-a)/2 wherein R is a selected from the group consisting of substituted or unsubstituted monovalent hydrocarbon groups, acryl-containing organic groups, methacryl-containing organic groups, and an alkoxy groups. The curable compositions of the invention exhibit excellent mold release characteristics and can be utilized to produce articles having water-repellent characteristics.

Abstract: The present invention relates to a hydroxyphenyl-functional polyorganosiloxane compound having the formula ##STR1## wherein R is independently a monovalent hydrocarbon group free of aliphatic unsaturation, A is a substituted or unsubstituted hydroxyphenyl group, B is selected from the group consisting of alkyleneoxyalkylene groups having at least two carbon atoms and alkylene groups having at least 2 carbon atoms, m is zero or 1, and n is an integer from 0 to 400. The hydroxyphenyl-functional polyorganosiloxanes of this invention are useful as surfactants or as additives for organic polymers.

Abstract: There is disclosed a heat resistant organopolysiloxane composition comprising:(A) 100 parts by weight of an organopolysiloxane having a viscosity of 100 to 1,000,000 centistokes at 25.degree. C.;(B) 0.001 to 10 parts by weight of a reaction product of an alkali metal silanolate compound with cerium chloride or a cerium carboxylate; and(C) a diorganopolysiloxane having silicon-bonded hydrogen groups only at its molecular chain terminals, component (C) being present in a quantity sufficient to provide 1 to 10,000 parts per million of silicon-bonded hydrogen based on the total weight of said composition.