Abstract: A combination of materials is disclosed which imparts superior fire retardant properties to organic polymers and the gaseous by-products of those polymers. The combination is made up of an organo phosphate plasticizer, aluminum hydroxide or alumina hydrate, antimony trioxide, a borate, a brominated hydrocarbon and a chlorinated paraffin.

Abstract: The invention consists of compositions for agglomerating wetted metal-containing ores. Such such compositions are:______________________________________ General Ingredients % by Weight ______________________________________ A. A water-in-oil emulsion of a water- 10-45 soluble vinyl addition polymer which contains at least 10% by weight of the water-soluble vinyl addition polymer B. A polysaccharide 55-90 C. A water-soluble surfactant 0.001-10 D. Borax 0-15 ______________________________________Also described is the use of these compositions for agglomerating wetted metal ore-containing materials are the products produced by such an agglomeration process.

Abstract: The invention relates to flame-resistant, thermoplastic polyurethane elastomers containing a flame-retardant additive package comprising:(a) a compound selected from the group consisting of antimony trioxide, zinc borate and mixtures thereof,(b) a chlorinated polyethylene, and(c) a brominated aromatic compound, preferably selected from the group consisting of polytetrabromobis(phenol)-A-glycidyl ether), polytribromostyrene, and polytetrabromobis(phenol)-A-carbonate).The flame-retardant additive package may be incorporated into the starting components used to prepare the thermoplastic polyurethane prior to the reaction which forms the polyurethane, to the reaction mixture during the reaction, or to the finished thermoplastic polyurethane elastomers.The flame resistant, thermoplastic polyurethane elastomers are suitable for the preparation of, for example, molded articles, films, sheets, and cable jackets.

Abstract: A rubber-reinforced polymeric composition is disclosed having enhanced color stability upon exposure to ultraviolet (UV) light comprising a color balancer in an amount effective to reduce the overall color shift of the plastic due to exposure to UV light.

Abstract: A 3-n-alkylthiophene polymer of the general formula: ##STR1## (wherein n stands for an integer in the range of 5 to 11 and m for an integer in the range of 80 to 350) and a composition containing this polymer.

Abstract: Polymeric compositions comprised of particularly disclosed oil-soluble polymers and specific oil-soluble acrylate polymerization products are disclosed. The oil-soluble polymer (A) is a polymer selected from the group consisting of a non-aromatic mono-olefin having at least three carbon atoms, and a copolymer of the non-aromatic mono-olefin with an aromatic monoolefin, the polymer having a number average molecular weight of about 500 to about 100,000. The oil-soluble acrylate polymerization product (B) is at least one ester of the formula CH.sub.2 .dbd.C(X)--COOR wherein X is hydrogen or an alkyl or aryl group, and R is a monovalent hydrocarbyl group containing at least four carbon atoms, or an ether derivative of said hydrocarbyl group. The components (A) and (B) are preferably present in a weight ratio of (A):(B) of about 20:1 to about 1:10.

Abstract: A resinous composition is composed of the ungelled reaction product of(i) a diester of oxalic acid;(ii) a material containing one or more primary and/or secondary amino groups and one or more additional functional groups; and(iii) a material capable of coreacting with (i) or (ii).The resinous composition is useful in formulating intumescent fire protective compositions for fire protection of substrates.

Abstract: An organopolysilazane composition that can be crosslinked by an energy input. The organopolysilazane composition comprises an organopolysilazane and a free radical generator in an amount effective to crosslink the organopolysilazane. The energy input capable of generating the radical may be provided in the form of heat, ultraviolet radiation, an electron beam, and the like.The crosslinked organopolysilazane compositions exhibit good thermal behavior and, in particular, can be used, after pyrolysis, as precursors of ceramic products.

Abstract: A fire-retardant sheet material, the manufacture thereof and a fire-retardant polymer composition are disclosed. The sheet is manufactured from a composition of polyethylene, 55 to 75% by weight of the composition of alumina trihydrate and/or magnesium hydroxide, and optionally zinc borate and/or calcium carbonate, at least 2% by weight of the composition being in the form of a graft copolymer with an ethylenically unsaturated carboxylic acid or anhydride. The composition has a melt index of 0.05 to 4.0 dg/min. In an embodiment, the graft copolymer has a shear viscosity at 200.degree. C. and a shear rate of 400 sec.sup.-1 that is not more than 50% of that of the polyethylene. The sheet material may be used for, in particular, ceiling tile. In embodiments of the composition, 60 to 90% by weight may be alumina trihydrate and/or magnesium hydroxide, and optionally zinc borate and/or calcium carbonate.

Abstract: The present invention relates to a polyester resin composition, and more particularly, to a polyester resin composition having excellent properties in flame retardance, mechanical property, heat resistance and moldability. Said polyester resin composition comprises 100 parts by weight of polyester resin (A), from 20 to 70 parts by weight of glass fibers (B), from 2 to 8 parts by weight of a crystallization-accelerating agent (C), from 10 to 25 parts by weight of flame retardant (D) and, as a auxiliary flame retardant (E), from 1 to 10 parts by weight of an antimony compound and from 2 to 12 parts by weight of a boric acid salt.

Abstract: Self-extinguishing polycarbonates are disclosed, which consist of mixtures of polycarbonates with at least one salt of metals of the I and/or the II A and B Groups of the Periodic Table, and/or ammonium salts of organic carboxylic compounds having the general formula (I) ##STR1## and, as an adjuvant, at least one compound which is a member selected from the group consisting of the following classes of compounds:(i) a halogenated phenyl ether;(ii) a phthalimide or naphthalimide;(iii) an organic sulphone or a derivative thereof;(iv) an inorganic compound selected from the group consisting of halides of alkali metals or of alkaline earth metals, oxides of metals of the Groups IB,VIB,VIIB,IIIA,IVA and VIII of the Periodic Table, of the lanthanide group, carbon black and the residues of the pyrolysis of the organic acid salts of formula (I).

Abstract: Metal salts are disclosed as effective to reduce Arc Track Rate in poly(1,4-butylene terephthalate) resin molding compositions.

Abstract: A water soluble ethylenic copolymer-based dispersant for water-based pigment compounds, comprising a liquid phase, a binder which is an emulsion polymer, especially without protective colloids and which contains a considerable density of anionic groups, of pigments wholly or partially reactive with regard to their medium by the creation of bonds between the particles of emulsion polymer and the metallic ion of the partially soluble reactive pigment, characterized by the fact that in order to confer on such water-based pigment compounds definable rheological characteristics, which can be adjusted in advance and remain stable over periods of time, the said water soluble dispersant is an acrylic, methacrylic and itaconic acid copolymer.

Abstract: The present invention relates to a process for the preparation of flame-resistant polycarbonate moulding compositions, which is characterized in that, besides the addition of alkali metal salts, there is incorporation of tetrafluoroethylene polymers as an intimate mixture with halogen-free graft polymers, these intimate mixtures being prepared by coagulation of the appropriate emulsion mixtures, and to the polycarbonate moulding compositions obtainable by the process according to the invention.

Abstract: The present invention provides: a composition for use in preventing the formation of ice comprising (A) organopolysiloxane, (B) alkali metal compound and (C) liquid or solid paraffin; a method for preventing the formation of ice by applying the composition to the surface of an object; and another method for preventing the formation of ice by applying a primer containing a silane coupling agent to the surface of an object and applying the composition to the primer coat formed.

Abstract: A flameproofed thermoplastic molding material consists ofA. a thermoplastic resin containing a vinylaromatic monomerand furthermore containsB. from 0 to 100 parts by weight of an elastomer having a glass transition temperature Tg 0.degree. C., as an impact modifier,C. from 2 to 50 parts by weight of a halogen-containing organic compound (flameproofing agent),D. from 0.5 to 20 parts by weight of a compound containing a metal or non-metal (synergistic agent) andE. from 5 to 50 parts by weight of a novolak (phenol/aldehyde resin).The novolak is obtained from an aldehyde of the formula (I)R.sup.1 --CHO (I)where R.sup.1 is H, C.sub.1 -C.sub.10 -alkyl, cycloalkyl, C.sub.6 -C.sub.12 -aryl or .omega.-aryl-C.sub.1 -C.sub.3 -alkyl, and a mixture of phenols, and this mixture contains two or more monosubstituted phenols and the substituents can be alkyl of 1 to 8 carbon atoms or CN.The molding material is used for the production of flameproofed moldings.

Abstract: Polymeric compositions are described which comprise a mixture of(A) at least one oil-soluble polymer which is a homopolymer of a non-aromatic monoolefin or a copolymer of said non-aromatic monoolefin with an aromatic monoolefin, and(B-1) at least one nitrogen-containing ester of a carboxy-containing interpolymer, and/or(B-2) at least one oil-soluble acrylate polymerization product of at least one acrylate ester, or a mixture of one or more of (B-1) and (B-2). The polymeric compositions of the invention also may contain(C) an effective amount of at least one viscosity-reducing liquid organic diluent such as a naphthenic oil or an alkylated aromatic material.

Abstract: A carboxyl-containing ethylene copolymer composition exhibiting thermal stability and method for preparing the same. The composition comprises (a) an ethylene copolymer containing a carboxyl-functional comonomer in an amount ranging from about 0.01 to about 50 weight percent of the copolymer, and (b) a hydrated compound in intimate admixture therewith. The hydrate dehydrates at a temperature between about 100.degree. C. and about 300.degree. C. and is selected from hydrated metallic salts of organic acids, inorganic hydrates, bimetallic hydrates and combinations thereof. The hydrate is present in the composition in at least an amount effective to impart thermal stability thereto up to about 5 weight percent of the composition, preferably 0.01-0.45 weight percent. The composition is prepared by adding the hydrate to the copolymer and intimately mixing the hydrate and the copolymer. The addition and mixing steps are performed either during or subsequent to the manufacture of the copolymer.

Abstract: Solid phase compositions having improved storage stability comprising polymeric acetal carboxylates in intimate admixture with a basic additive and a method of producing such admixtures are disclosed. The compositions are useful as builders in detergent formulations.

Abstract: Hardenable molding masses are disclosed containing an organic binder material, fillers and additives wherein the binder material after the shaping and hardening is pyrolytically decomposed. The development of harmful substances such as aromatic hydrocarbons is considerably reduced through the addition of a boron containing compound.

Abstract: Composite of rubber and metal reinforcement where the rubber contains borate and a cross-linkable monomer. Cured composite is useful as component for rubber tires, industrial belts and hose.

Abstract: This invention relates to self-extinguishing thermoplastic moulding compositions of an aromatic polycarbonate containing a co-condensed halogen, a thermoplastic copolymer containing nucleus-alkylated styrene and an ABS as graft copolymer.

Abstract: Compositions comprising a diester or polyester, e.g., 1,4-butylene dibenzoate or poly(1,4-butylene terephthalate) in combination with an organic carbonate or polycarbonate, e.g., diphenyl carbonate or poly(bisphenol-A carbonate), are stabilized with boric acid.

Abstract: Polymeric compositions particularly suitable for agricultural purposes are disclosed. These compositions contain at least 80% of either a polyolefin such as polyethylene or a copolymer of ethylene. A 0.5-15% additive containing the bond boron-oxygen such as anhydrous borax imparts a desirable opacity to these polymers in the high wavelength infra-red region of the spectrum, while not substantially interfering with the visible light necessary for photosynthesis.

Abstract: A glass-reinforced, fire-retardant, arc-track resistant polyamide composition characterized in that it contains:(a) at least 35% by weight of a fibre-forming polyamide,(b) 15% to 30% by weight of glass fibres or particulate fillers,(c) 17.5 to 27.5% by weight of melamine or melamine cyanurate,(d) 1 to 10% by weight of brominated fire retardants selected from a brominated polyphenylene oxide or a brominated epoxy resin, and(e) a synergist selected from zinc oxide, zinc borate, a mixture of zinc oxide and zinc borate and a mixture of antimony oxide and zinc borate, wherein the concentration of oxide present in the synergist is between 0 and 5%, the concentration of borate present is between 0 and 25% by weight, and the total weight of synergist is at least 1%, the weight percentages of the constituents (a), (b), (c), (d) and (e) totalling 100%.

Abstract: A reinforced, fire retardant, polyamide composition containing(a) at least 35% by weight of a fibre-forming polyamide,(b) 15 to 30%, by weight of glass fibres or particulate fillers,(c) 15 to 30%, by weight of melamine demi-sulphate,(d) at least 2.5%, by weight of a halogenated compound selected from the condensation product of 2 moles chlorocylopentadiene and 1 mole of 1,5-cyclooctadiene, brominated polystyrene, brominated polyphenylene oxide or a brominated epoxy resin, and(e) a synergist selected from at least one of zinc borate, zinc oxide and mixtures of antimony oxide and zinc borate, wherein the concentration of oxide present is between 0 and 5%, the concentration of zinc borate is between 0 and 25%, preferably between 2 and 15% by weight and the total weight of synergist is at least 1% by weight and wherein the weight percentages of the constituents total 100%.

Abstract: Polybromo dinaphthyl ethers may be employed as fire retardant additives to polymers.

Abstract: A polymeric flame retardant composition comprises low melting temperature phosphate-sulfate glass compositions in an amount of from about 10 to about 100 parts by weight per 100 parts by weight of said polymer. Desirably, the polymer is a halogen-containing polymer. The phosphate-sulfate combination has been found to produce synergistic results.

Abstract: A refractory composition or mixture utilizing basic aggregates is disclosed which does not discolor when a phenolic binder is used, and provides improved flexural strength. The composition contains specific proportions of phenolic resin and a compound having a pKa of less than 9.5 at 25.degree. C. and basic aggregates.

Abstract: An acetal resin composition comprising an acetal resin and a low molecular weight polycarbonate compound having an intrinsic viscosity of 0.2 dl/g or less in methylene chloride at 25.degree. C. and, optionally, an organic or inorganic filler is disclosed. Said composition has improved surface gloss and weather resistance.

Abstract: An industrial fabric having a plain woven fabric in which the warp and weft are textured, continuous filament, polyester yarns.

Abstract: An industrial fabric having a plain woven fabric in which the warp and weft are textured, continuous filament, polyester yarns.

Abstract: Sand or rock masses containing mineral oil are deoiled with a deoiling agent containing an aqueous solution of a water-soluble copolymer which is a random distribution of 5 to 60% of weight of units of the formula ##STR1## 2 to 40% by weight of units of the formula ##STR2## 38 to 93% by weight of units of the formula ##STR3## and partial hydrolysates thereof, wherein when R.sup.1 is hydrogen, R.sup.2 is hydrogen, methyl or ethyl, Y is --CO--NH--C(CH.sub.3).sub.2 --CH.sub.2 -- or a direct bond, and X.sup..sym. is a cation; when R.sup.1 and R.sup.2 are identical or different, each is hydrogen, methyl, ethyl or, together are trimethylene, Y is --CO--NH--C(CH.sub.3).sub.2 --CH.sub.2 -- and X.sup..sym. is a cation.

Abstract: An acetal resin composition comprising(A) an acetal resin,(B) at least one member selected from the group consisting of (1) a polyfunctional cyanic acid ester or its prepolymer, (2) a mixture of a polyfunctional cyanic acid ester or its prepolymer with a polyfunctional maleimide or its prepolymer and (3) a pre-copolymer of a polyfunctional cyanic acid ester and a polyfunctional maleimide,(C) an amine-substituted triazine and/or a cyanoguanidine compound, and(D) an inorganic filler other than glass, and/or an organic filler.

Abstract: Polyethylene terephthalate molding compositions are provided which comprise a polyethylene terephthalate having an inherent viscosity of at least 0.4, a plasticizer, a lubricating polymer, a nucleating agent, a reinforcing agent or mixture of reinforcing agent and filler, and a molecular weight reducing agent for the polyethylene terephthalate. The molding compositions can be injection molded utilizing mold temperatures below 100.degree. C. (e.g, 60.degree.-90.degree. C.). The molded compositions exhibit an excellent balance of properties such as tensile strength, flex modulus, heat distortion temperature and impact strength.

Abstract: Polyamide compositions having improved flame retardant properties and arc tracking resistance comprises, in percent by weight, about 35 to about 76 percent polyamide; about 6 to about 10 percent zinc borate; about 10 to about 15 percent melamine cyanurate; 0 to about 35 percent glass fiber; about 0 to about 3 percent antimony trioxide; and about 8 to about 15 percent of a chlorinated compound of the formula: ##STR1##

Abstract: A suspension or solution containing an acid-curable fluoride-containing resin which is useful in a foundry process is disclosed. The fluoride-containing resin is curable at room temperatures and above by the addition of a strong acid catalyst. The resin is preferably a phenolic resole resin or a furan-type resin. The fluoride-containing resins, when used in a foundry process are preferably admixed with a foundry sand and a strong acid catalyst. The coated sand is then shaped into the form of a foundry core and is allowed to cure at room temperature or above to a foundry core having excellent tensile strength.

Abstract: A resinous composition having an increased flame retardance is disclosed, which comprises (A) 10 to 60% by weight of a mixture comprising 100 parts by weight of a polyolefin resin, 20 to 60 parts by weight of a halogenated organic flame-retardant agent, 7 to 30 parts by weight of antimony trioxide and 10 to 40 parts by weight of zinc borate hydrate, and (B) 90 to 40% by weight of a magnetic body powder. The compositions are endowed with surprising glowing combustion resistance as well as superior flame combustion resistance.

Abstract: A connector member (11) is disclosed for sealed connection with a second connector member (30), to permit sealed flow of material through the joined connector members. The connector member (11) is made of a material selected from the group consisting of aliphatic hydrocarbon resins, aliphatic polyester resins, copolymers of olefins and vinyl acetate, and olefin-acrylate copolymers. The material also contains an effective amount of an antioxidant agent being selected to provide to the material the characteristic of permitting transmission of at least 15 percent of at least one wavelength of ultraviolet radiation having a wavelength between 220 and 300 nanometers through a thickness of 0.003 inch of the material.

Abstract: A composition having a high content of an inorganic material comprising(1) a granular or powdery phenol-aldehyde resin which is a condensation product of a phenol, an aldehyde and optionally a nitrogen-containing compound having at least two active hydrogens and is characterized by (A) containing spherical primary particles and their secondary agglomerated particles each having a particle diameter of 0.1 to 150 microns, (B) having such a size that at least 50% by weight thereof can pass through a 100 Tyler mesh sieve, and (C) having a free phenol content, determined by liquid chromatography, of not more than 500 ppm, and(2) a powder of an inorganic material,the amount of the phenol-aldehyde resin being less than 11% by weight based on the total weight of the phenol-aldehyde resin (1) and the powdery inorganic material (2).

Abstract: A composition for use in preventing the formation of ice comprising:(A) organopolysiloxane resin represented by the structural unit ##STR1## wherein R represents hydrogen atom or monovalent organic group attached to the silicon atom by a carbon-to-silicon bond, R' represents hydrogen atom, C.sub.1 to C.sub.20 alkyl group, aryl group, oxime residue, n and m are each 0 or an integer of up to 4, and n plus m is 0 or an integer of less than 4, and(B) alkali metal compound represented by the formulaMa.sym.X.crclbar.wherein M represents alkali metal selected from Li, Na and K, X represents inorganic or organic acid group or hydroxyl group and a is an integer of 1 to 4.

Abstract: Polyvinyl alcohol based release coating compositions for strippable substrates which are in contact with pressure sensitive adhesives are disclosed. Substrates coated with the release compositions are easily peeled from pressure sensitive adhesive coated substrates without substantially adversely affecting the adhesive character of the adhesive coated substrate. The release coating composition comprises polyvinyl alcohol, a migratable release promoting agent, a water soluble salt of a coordinating metal and a water soluble boron compound in an aqueous solution. In addition to composites comprising release coated substrates affixed to adhesive coated substrates, the release compositions can be applied to the backing of a pressure sensitive adhesive tape to permit facile uncoiling of the rolled tape product.

Abstract: The hot-melt adhesives of the present invention comprise a blend of at least one modified polyethylene resin, a tackifying resin and a combination of halogenated organic compounds and inorganic compounds containing antimony, boron or tin. These hot-melt adhesives have a novel combination of properties including excellent aging properties in combination with improved strength and low viscosity, and they are fire resistant or self-extinguishing.

Abstract: This invention is directed to halogen-containing polymeric compositions containing a smoke suppressant/flame retardant comprising intimate mixtures of zinc oxide and zinc salts.

Abstract: The tendency to crosslink of polymer compositions comprising polymer units derived from acrylonitrile and maleic anhydride is controlled by the use of boron compounds selected from boron oxide, boron acids and esters of boron acids.

Abstract: Track and erosion resistant electrical insulating materials are disclosed comprising (a) a base insulating material comprising a polymer of ethylene and additives necessary to allow the polymer to function as electrical insulation, and (b) hydrated zinc borate as an anti-tracking and anti-erosion additive. The hydrated zinc borate functions to increase the track and erosion resistance of the electrical insulating material in concentrations of as little as 1% by weight of the entire material with its maximum effect being achieved at concentrations of about 25% by weight of the entire material.

Abstract: Cationic water-in-oil emulsions of water-soluble polymers and copolymers of at least one ethylenically unsaturated monomer are prepared by including in the formulation a metal halide and sodium borate. The products are useful as drainage aids, retention aids, flotation aids, process water flocculants, and the like in the manufacture of paper and paper products; waste effluent treatment; oil recovery operations; and mining operations.

Abstract: A method for preparing essentially color-free, stabilized polymers of conjugated dienes or vinyl aromatic hydrocarbons or copolymers of conjugated dienes and vinyl aromatic hydrocarbons involves a first stage in which a living polymer of a conjugated diene or vinyl aromatic hydrocarbon or copolymer of a conjugated diene and a vinyl aromatic hydrocarbon is prepared by anionically polymerizing the conjugated diene or vinyl aromatic hydrocarbon, or copolymerizing the conjugated diene and the vinyl aromatic hydrocarbon using a lithium-based catalyst and an inert hydrocarbon diluent. Then, the living polymer or copolymer is terminated by the addition of a suitable terminating agent. Following the termination procedure, boric acid is added to the polymer of copolymer in a sufficient amount to prevent or substantially reduce color formation. Then, stabilizing agents are added to the polymer or copolymer and the polymer or copolymer is recovered from the diluent.

Abstract: After being deposited on the luminescent screen, the dispersion lacquer made by the method disclosed forms a smooth and uniform film whose fluidity can be influenced. This results in an improved reflectance behavior of the deposited aluminum film and, thus, in greater picture brightness.The disclosed method consists in that a boric-acid solution is added to the dispersion lacquer which is then set to the desired viscosity by means of a neutralizer.

Abstract: Injection moldable amide-imide homopolymers and copolymers containing metal oxides capable of forming hydrates stable at temperatures in excess of 500.degree. F. These amide-imides are useful in engineering plastics applications.