Abstract: The addition of microspheres of barium titanate glass to conventional friction compositions for molding automotive and other brake elements and similar friction elements, results in substantial new and unexpected improvements with respect to the production of and processing of uniform, homogeneous molding compositions for forming the present friction elements. The formed friction pads, disks etc., have unexpectedly improved performance properties such as heat dissipation properties leading to improved, reduced wear over prolonged periods of use.

Abstract: An electroconductive composition comprising an elastic matrix material and particulate filler material dispersed therein, the particulate filler material comprising fiber particles coated with a conductive material and spheroidal particles coated with a conductive material, the dispersion being such that the fiber-containing particulate filler and the spheroid-containing particulate filler are substantially interspersed, the particulate filler being present in an amount such that the conductive-material coated particles are in electroconductive relationship and such that the composition possesses enhanced flexibility, the conductive material being present in an amount sufficient that the composition has a decreased resistivity. The invention also encompasses a method of preparing these compositions comprising the steps of compounding said filler into a precursor of said flexible matrix material thereby dispersing said fillers throughout the matrix material, and curing the precursor to form the matrix.

Abstract: The addition of microspheres of barium titanate glass to conventional friction compositions for molding automotive and other brake elements and similar friction elements, results in substantial new and unexpected improvements with respect to the production of and processing of uniform, homogeneous molding compositions for forming the present friction elements. The formed friction pads, disks etc., have unexpectedly improved performance properties such as heat dissipation properties leading to improved, reduced wear over prolonged periods of use.

Abstract: Method for producing novel microparticles, such as 1&mgr; to 20&mgr; diameter glass beads, by coating them to improve their flowability and to enable them to be distributed in predetermined depths of novel plastic coatings, extrusions, molded bodies, etc. The thin microparticle coatings are repellent to each other and to the plastic binder material, to predetermined degrees, to cause the particles to distribute adjacent the surface of the plastic body, or at a predetermined depth therebelow, to produce desired color-enhanced properties.

Abstract: The invention relates to an electroconductive composition comprising a polysiloxane matrix, electroconductive particles dispersed therein and an amount of a nucleophilic chemical species capable of impeding an increase in the resistivity of the composition, the nucleophilic chemical species being substantially unreactive with the particles and the matrix, and not causing any substantial impairment of the tear strength and tensile strength properties of said matrix; electroconductive composite comprising the electroconductive composition; and methods for making the electroconductive composition.

Abstract: As an article of manufacture, particulate composites containing, in combination: particles of inorganic material, a component for conferring on the composites the capability of floating in a medium including one or more substance capable of forming a binder matrix, a component for conferring on the composites the capability of adherence to the binder matrix, and a component for conferring on the composites the capability of adherence of the flotation conferring to the inorganic material; their production; and their use in a binder matrix.

Abstract: The invention relates to an electroconductive composition comprising a polysiloxane matrix, electroconductive particles dispersed therein and an amount of a nucleophilic chemical species capable of impeding an increase in the resistivity of the composition, the nucleophilic chemical species being substantially unreactive with the particles and the matrix, and not causing any substantial impairment of the tear strength and tensile strength properties of said matrix; electroconductive composite comprising the electroconductive composition; and methods for making the electroconductive composition.

Abstract: As an article of manufacture, a durable composite, which comprises in combination a glass bead, and a multifunctional polymeric substance which has a functionality capable of interacting with a species of interest, and a further functionality interacted with a functionality of said glass bead to adhere the substance to the glass, such that there is a decreased tendency of the agent toward removal from the composite by an aqueous medium; and a method of making same.

Abstract: As an article of manufacture, a composite, which comprises in combination an inorganic material substrate, a polymeric agent which is at least partially water-soluble, and a substance binding the polymeric agent to the inorganic material substrate, such that there is a decreased tendency of the agent toward removal from the composite by an aqueous medium; and methods of making and using same.

Abstract: Composite particles suitable as conductive filler for electrically conductive compositions which can be used as gaskets, caulking and plastics, for example. The compositions are useful as EMI shielding and electrostatic charge dissipation materials. Methods of making and using the foregoing are also covered.

Abstract: As an article of manufacture, stable particles containing, in combination, inorganic filler material, benzoyl peroxide and a non-hygroscopic stabilizer for benzoyl peroxide; their production; and the formation of a polymeric matrix with such particulate matter.

Abstract: Described are thermoplastic or thermoset polymer and resin compositions (e.g., nylon, polyvinylchloride, phenolics, etc.) containing a bis-sulfonamide or polyhaloaromatic monosulfonamide in quantity sufficient to plasticize the resins and polymers. The polyhaloaromatic monosulfonamide contains (a) from 7 to 30 carbon atoms, (b) from 2 to 12 chlorine and/or bromine atoms, (c) one nitrogen atom, (d) an aromatic group, bonded to the sulfur atom, in which at least two chlorine or at least two bromine atoms or at least one chlorine atom and at least one bromine atom are directly bonded to the aromatic ring system, and (e) one or two aliphatic, cycloaliphatic, or aromatic organic groups bonded to the nitrogen atom, one such organic group, when an aromatic group, optionally being substituted by one or more bromine and/or chlorine atoms. The bis-sulfonamide contains at least two aromatic rings and from 14 to 30 carbon atoms in the molecule.

Abstract: A flame retardant polypropylene based formulation which contains polypropylene and a flame retardant amount of decabromodiphenyl oxide and a polybrominated cycloalkane having an 8 to 12 carbon atom ring and at least 4 ring-attached bromine atoms.

Abstract: Described are themoplastic condensation polymers containing a polyhaloaromatic aromatic flame retardant and an aromatic bis-sulfonamide having at least two aromatic rings and from 14 to 30 carbon atoms melt flow improver. These sulfonamides are of advantage in that they have relatively low volatilities at polymer processing temperatures.

Abstract: This invention relates to a styrenic polymer-based thermoplastic formulation containing a brominated cycloaliphatic flame retardant and a thermal stabilizer system comprising an organotin stabilizer, a hindered phenolic antioxidant and, optionally, a polyhydroxy aliphatic compound.

Abstract: Described are polybromoaromatic bis-sulfonamides containing at least two bromoaromatic groups, from 18 to 30 carbon atoms (preferably 18 to 24), and from 6 to 14 bromine atoms substituted on the aromatic rings. Such polybromoaromatic bis-sulfonamides may be represented by the general formula ##STR1## where Ar are the same or different polybromoaromatic groups, R is a divalent aromatic or bromoaromatic group, and R' and R" are independently hydrogen atoms, hydrocarbon groups or halohydrocarbon groups in which the halogen atoms are chlorine or bromine, the total number of bromine atoms substituted on the aromatic rings of the groups designated as Ar and R falling in the range of 6 to 14. These sulfonamides are useful as flame retardants and plasticizers for thermoplastic polymers and have the advantage of relatively low volatilities at polymer processing temperatures.

Abstract: Described are thermoplastic polymers (e.g., nylon) containing an aromatic bis-sulfonamide having at least two aromatic rings and from 14 to 30 carbon atoms in the molecule in quantity sufficient to improve the melt flow properties of the polymer. These sulfonamides are of advantage in that they have relatively low volatilities at polymer processing temperatures.

Abstract: Described are thermoplastic polymer compositions (e.g., nylon) containing a polyhaloaromatic sulfonamide in quantity sufficient to improve the melt flow properties of the polymer. Such sulfonamides contain (a) from 7 to 30 carbon atoms, (b) from 2 to 12 chlorine and/or bromine atoms, (c) one nitrogen atom, (d) an aromatic group, bonded to the sulfur atom, in which at least two chlorine or at least two bromine atoms or at least one chlorine atom and at least one bromine atom are directly bonded to the aromatic ring system, and (e) one or two aliphatic, cycloaliphatic, or aromatic organic groups bonded to the nitrogen atom, one such organic group, when an aromatic group, optionally being substituted by one or more bromine and/or chlorine atoms. These sulfonamides are of advantage in that they have relatively low volatilities and good thermal stability at polymer processing temperatures and serve as flame retardants therein.

Abstract: This invention relates to a compound of the formula, ##STR1## wherein: M is Sb(III) or Bi(III), x and y are whole integers and x=1, 2 or 3, y=0, 1 or 2 and x+y=3; each R is independently selected from hydroxy radicals, alkoxy radicals and phenoxy radicals; and each R' is independently selected from haloalkoxy radicals and halophenoxy radicals in which each halo constituent is independently selected from bromine or chlorine. Such compounds are useful flame retardants.

Abstract: This invention relates to a thermoplastic formulation having a first part comprising, (i) a blend of a polyphenylene ether and a polyvinyl aromatic and (ii) a nuclear halogenated polyvinyl aromatic flame retardant, and a second part, in admixture with the first part, comprising a Diels-Alder adduct having the formulaA--R--(A).sub.nwherein n is 0, 1 or 2 and A is a polyhalogenated cycloalkylene or cycloalkyl group and R is as defined herein.