Abstract: High polymer content compositions, containing the neutralized salt of a carboxyl-containing polymer suspended in an organic medium, are made by neutralizing the carboxyl-containing polymer in the presence of a neutralizing agent and an equal quantity of already neutralized polymer in an organic medium. These compositions are useful as thickeners and emulsifiers for aqueous solutions.

Abstract: Blends of a silicone-polycarbonate block copolymer with a compatibilized alloy of polyphenylene ether and polyester resins comprise a class of thermoplastic materials with physical properties ranging from those of a self-extinquishing, tough thermoplastic elastomer to a rigid engineering material. The compatibilizers include aromatic polycarbonates and rubber-modified impact modifiers.

Abstract: A thixotropic hot-melt adhesive contains reactive silane groups and is still viscous and plastically moldable after cooling. It contains a mixture ofat least one thermoplastic material, andat least one thixotropic agent,wherein silane groups are contained either in the thermoplastic material itself or in at least one added silane-based binder.

Abstract: An antistatic agent containing a cationic and/or amphoteric, water-soluble or water-dispersible and heat-reactive blocked urethane prepolymer as an essential component, said prepolymer having at least one cationic group and/or at least one amphoteric group in its molecule and having isocyanate groups blocked with a thermally dissociable blocking agent. The antistatic agent is applicable to various materials and can give the antistatic property with the water repellency, which can be kept for a long term, to the materials.

Abstract: There have been provided hard-to-combustion property impartation agents for polyester fibers. The agent is prepared by dissolving an alkyl cyclohexane containing bromine atoms in a solvent and dripping the solution into a liquid to provide an emulsion or dispersion of alkyl cyclohexane containing bromine.

Abstract: Pelletized thermoplastic polymers or resins containing (--CONH--) groups such as the nylons can readily be brominated or chlorinated in organic solvents to convert the (--NH--) units to (--NBr--) or (--NCl--) units and to form solutions of the N-brominated or N-chlorinated thermoplastic polymers or resins. These N-brominated or N-chlorinated thermoplastic polymer solutions can be coated on a cellular or solid rubbery hydrocarbon polymer substrate, such as an EPDM rubber in the form of a weatherstrip or glass run channel, dried and irradiated with ultraviolet light or heated at a temperature and for a period of time sufficient to reform the amide (--CONH--) groups and to provide the rubbery substrate with an adherent and abrasion resistant coating which also exhibits reduced ice adhesion and coefficient of friction.

Abstract: A deep penetrating sealer composition which renders the treated surface resistant to water, metal ions and chloride ion penetration comprising a mixture of (1) an aromatic solvent, (2) a chlorinated solvent, (3) an aliphatic hydrocarbon solvent, and (3) a hydroxy-substituted polyorganosiloxane.

Abstract: Organopolysiloxane compositions comprising a polyhydroxylated polysiloxane and a polyacyloxysilane, whether in single- or two-component form, rapidly cure into elastomeric state (and are thus useful, e.g., as sealing materials) in the presence of a 2-carboxycarboxamide cure autoaccelerator.

Abstract: Polymer systems can be rendered flame retardant by adding a source of halogen and particles of antimony pentoxide that have been dried from colloidal dispersions that have been treated with certain metal ions. The properties of the polymer are conserved when the colloidal dispersion is treated with ions of metals that have insoluble antimonates before drying to form a powder.

Abstract: Derivatives of diphenylhexafluoropropane having the formula: ##STR1## where R is an unsubstituted or substituted alkylene, an epoxy, a silyl or alkoxysilyl group; and where X and Y are hydrogen or halogen. The derivatives are useful in formulating polymer structures.

Abstract: A composite useful in thermal energy storage, said composite being formed of a polyethylene matrix having a straight chain alkyl hydrocarbon incorporated therein, said polyethylene being crosslinked to such a degree that said polyethylene matrix is form stable and said polyethylene matrix is capable of absorbing at least 10% by weight of said straight chain alkyl hydrocarbon; the composite is useful in forming pellets or sheets having thermal energy storage characteristics.

Abstract: A flame retardant polyolefin resin composition which, when molded, affords a molded product having highly flame retardant properties, no dripping properties, a smooth surface and an excellent appearance and superior resistances to heavy metal deterioration, heat deterioration and weather is provided, which composition consists of (A) 5-60% by weight of a halogen-containing flame retardant, (B) 100-10% by weight of antimony trioxide based on the weight of the halogen-containing flame retardant, (C) 0.5-15% by weight of a crosslinking agent, (D) 0.05-5% by weight of a specified thiophosphite, and (E) the balance % by weight of a polyolefin resin, the total of the quantities of (A), (B), (C), (D) and (E) being 100% by weight. If necessary, a processing aid may be further added to the above flame retardant polyolefin resin composition.

Abstract: This invention relates to a novel rubber composition having improved green properties such as high green tensile strength and high green modulus and improved hysteresis loss and cut growth property, which comprises 100 parts by weight of a diene rubber, about 20 to about 00 parts by weight of a reinforcing filler, about 0.1 to about 3.0 parts by weight of a nitroso compound having the formula (I) ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, are selected from the group consisting of a hydrogen atom, an alkyl group having from 1 to 6 carbon atoms, a hydroxyalkyl group having from 1 to 6 carbon atoms, a cycloalkyl group and an aryl group and about 0.1 to about 3.0 parts by weight of an halogenated organic compound having the formula (II) ##STR2## wherein R.sub.3 is selected from the group consisting of a hydrogen atom, a methyl group, a chlorine atom and a bromine atom and X is a chlorine atom or a bromine atom.

Abstract: A summer blend, solvent-based, clear caulking composition having as a primary polymer an ethylene vinyl acetate copolymer having a 40-52% vinyl acetate content. Other ingredients in the improved caulking composition include a water white styrenic hydrocarbon resin, thickening agents, and an organic solvent. Optional components include plasticizers, bactericides, antioxidants, U.V. light stabilizers, pigments and dyes, etc. The resulting caulk has excellent pumpability, slump control, and weatherability at the temperature of use.

Abstract: Flame retardant and drip retardant polycarbonate composition comprised of:(i) at least one aromatic carbonate resin;(ii) a flame retardant amount of at least one flame retardant compound; and(iii) a drip retardant amount of at least one bis cyclic carbonate represented by the general formula ##STR1## wherein X, Y, X' and Y' are the same or different and are hydrogen or alkyl of one to about six carbon atoms, inclusive; W, W', Z and Z' are the same or different and are alkyl of one to about six carbon atoms, inclusive, and E is alkylene or alkylidene of two to about twelve carbon atoms, inclusive.

Abstract: A solvent-based, clear caulking composition having as a primary polymer an ethylene vinyl acetate copolymer having a 45-55% vinyl acetate content and having as a secondary polymer and a small amount of an ethylene vinyl acetate copolymer having a lower vinyl acetate content. Other ingredients in the improved caulking composition include a water white styrenic hydrocarbon resin, thickening agents, and an organic solvent. Optional components include plasticizers, bactericides, antioxidants, U.V. light stabilizers, pigments and dyes, etc. The resulting caulk has excellent pumpability, slump control, and weatherability.

Abstract: Low styrene emission vinyl ester resin compositions containing an adhesion promoter, such as lanolin. Said VER composition exhibits desirable physical properties such as low styrene emission and excellent adhesive bond strength.

Abstract: A granular flame retardant additive is provided comprising from 70 to 99.5% by weight of an organohalide flame retardant and from 0.5 to 30% by weight of thermoplastic synthetic resin as a binder. The additive is easy to handle and resistant to disintegration during transportation and mixing with fabricating resin pellets. Uniform distribution thereof in fabricated thermoplastic articles is achieved by simply co-feeding the granules and the fabricating resin to a fabricating machine.

Abstract: Arylene sulfide polymers such as poly(p-phenylene sulfide) are solubilized (depolymerized) under mild conditions by contact with a solution comprising at least one aromatic hydrocarbon and a Group IIIA metal halide. In a specific embodiment, arylene sulfide polymers are depolymerized to form aryl sulfides. The solution is useful to remove arylene sulfide polymers deposited on process equipment.

Abstract: Solutions of ultrahigh molecular weight polymers such as polyethylene in a relatively non-volatile solvent are extruded through an aperture at constant concentration through the aperture and cooled to form a first gel of indefinite length. The first gels are extracted with a volatile solvent to form a second gel and the second gel is dried to form a low porosity xerogel. The first gel, second gel or xerogel, or a combination, are stretched. Among the products obtainable are polyethylene fibers of greater than 30 or even 40 g/denier tenacity and of modulus greater than 1000 or even 1600 or 2000 g/denier.

Abstract: Self-extinguishing, fine particulate, expandable styrene polymers for the manufacture of molded articles, containing bromine compounds and one synergist. The synergist, referred to the styrene polymer, is at least one hydrocarbon present in amounts from about 0.1 to 3% by weight and forms stable radicals at temperatures above 300.degree. C.

Abstract: A crude organic solvent solution of a polycarbonate containing an impurity is washed with an aqueous washing liquid by forming a water in oil dispersed phase by mixing the crude solution of the polycarbonate with a small amount of aqueous washing liquid in order to form the water in oil dispersed phase and then causing a phase inversion from the water in oil dispersed phase into an oil in water dispersed phase, and then, separating the organic solvent solution of the polycarbonate from the aqueous washing liquid.