Abstract: A wet filter cake of coal fines or other inorganic particulate material is converted to a crumbly mass by blending with water absorbent polymer particles.

Abstract: A liquid, solvent-free or low solvent hardenable polyurethane-modified bitumen composition is described, which is based on a bitumen modified with a polyurethane prepolymer. The compatability between bitumen and polyurethane prepolymer is achieved by a plasticizer system comprising a primary and a secondary plasticizer. The inventive composition is particularly suitable as an adhesive, sealant, foam material or coating compound.

Abstract: The present invention relates to an improved polyethylene modified asphaltic composition and a method for its manufacture. More specifically, when certain linear polyethylene compounds are added to an asphalt that is low in asphaltenes but relatively high in saturates, there results a composition which has excellent storage stability, phase compatibility and creep resistance relative to unmodified asphalts. The improved asphaltic composition is particularly well suited for use as a binder in paving materials and as a coating or saturant for roofing products.

Abstract: This invention concerns a method whereby the sludge obtained when reclaiming waste lubricating oils by treating with acids or solvents can be processed by the addition of elastomers and hardeners to obtain a compound which--when used in conjunction with bituminous conglomerates and mixtures--gives these conglomerates or mixtures superior mechanical characteristics and high strength at high and low temperatures.

Abstract: An adhesive is provided for adhering roofing shingles wherein the adhesive is a blend of asphalt, an elastomer, a tackifying resin and a petroleum oil.

Abstract: A weatherproof coating for roofs or decks is formed when an adhering material is used in conjunction with a nonwoven mat formed from a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon.

Abstract: A process for the manufacture of particulate material, and particularly material for constructing a horse riding surface, involves mixing raw granulated plastics material, such as PVC from waste electric cable, with a bitumen emulsion and water in such a way that the granules are coated while significant agglomeration is avoided. The bitumen emulsion is preferably 40% cationic. The water may be added as a bulk at lower pressure and a small amount at high pressure which is moved around to promote mixing.

Abstract: A liquid, solvent-free or low-solvent hardenable polyurethane-modified bitumen composition is described, which is based on a bitumen modified with a polyurethane prepolymer. The compatibility between bitumen and polyurethane prepolymer is achieved by a plasticizer system comprising a primary and a secondary plasticizer. The inventive composition is particularly suitable as an adhesive, sealant, foam material or coating compound.

Abstract: An asphalt cement mixture is disclosed. The mixture has improved antistripping properties due to the inclusion therein of a minor amount of an antistripping agent produced by the condensation reaction of an amine, an aldehyde or aldehyde reaction synthon an alkylated phenol. The antistripping agent is preferably present in the asphalt cement in an amount of from about 0.25% to about 1% by weight based on the weight of the asphalt cement. The asphalt cement is combined with an aggregate to form a concrete and paved onto a road surface to provide a paved surface with improved durability.

Abstract: Describes the use of high performance phenol-formaldehyde resins in the fabrication of anodes, cathodes, and electrodes, for use in metallurgy. A carbonaceous aggregate mixed with binder material is formed into a compacted mass in a desired shape, and the resin is permitted to cure to form a self-sustaining shape. Upon carbonization of the shaped, compacted mass, electrodes and other desirable shapes may be produced. Also useful for ramming and tamping mixes. Provide environmentally safe binder replacements for coal tar pitch while providing excellent residual carbon contents and desirable electrical and physical properties.

Abstract: High temperature resistant molding materials containing(A) 5-95 mol % of blocks having the structural unit I ##STR1## (B) 5-95 mol % of blocks having the structural unit II ##STR2## (C) 0-80 mol % of blocks having the structural unit III ##STR3## the molecular weight of the blocks being within the range 2000-20,000, where X is --O--, --S--, ##STR4## (only if a or b.noteq.0), ##STR5## (R.sup.7 =R.sup.8 =CH.sub.3 only if a or b.noteq.O) or a chemical bond, R.sup.7 and R.sup.8 are each alkoxy or alkyl of 1-6 carbon atoms, aryl or hydrogen, Q and W are each ##STR6## Z is --O-- or a chemical bond and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each alkyl or alkoxy of 1-6 carbon atoms, aryl, Cl or F and p, q and r are each 0 or 1 and a, b, c, d and e are each 0, 1, 2, 3 or 4.

Abstract: A composition which contains (a) 80 to 99% w of a bitumen component; (b) 1 to 20% w of an elastomer; (c) 1 to 60% w of a hydrocarbon resin which has been modified to contain carboxyl, carboxylic anhydride, hydroxyl and/or amino groups; and (d) 1 to 100% w of an inorganic filler, the weight percentages being based on the total weight of the bitumen component and elastomer, is suitable for coating structures and a process for applying the composition at elevated temperature onto a suitbale structure.

Abstract: Disclosed is a new and improved sealant and cement asphalt composition that is asbestos-free. The asbestos-free asphalt composition comprises about 40 to about 70 weight percent asphalt, about 5 to about 40 weight percent mineral filler, about 2 to about 10 weight percent cellulose fibers and about 2 to about 20 weight percent of a water-containing material such as an acrylic latex emulsion, asphalt emulsion or aqueous surfactant solution.

Abstract: Asphalt compositions are improved by incorporating therein the reaction product of an amine or polyamine with an aldehyde as an anti-stripping agent. These compositions are useful as a pavement material by blending with an aggregate.

Abstract: Pressure-sensitive adhesives which are mixed immediately prior to application, or need drying equipment tend to be expensive in use while those applied as hot melts tend to have poor heat resistance. According to the invention an adhesive composition curable by atmospheric moisture is provided, the composition comprising a prepolymer component with isocyanate functionality between 2.0 and 3.0 together with one or more polyetherurethane prepolymers having NCO groups available for reaction with water for chain extension, the cured adhesive composition having a glass transition temperature below 20.degree. C.

Abstract: A flame retarded asphalt composition comprising a blend of:(a) modified bitumen;(b) 1-20 wt % of at least one halogenated flame retardant; and(c) 1-5 wt % of at least one inorganic phosphorus containing compound selected from the group consisting of ammonium phosphate compounds and red phosphorus.The inventive flame retarded composition is classified as a Class A material according to ASTM E-108 and therefore has superior fire resistance properites.

Abstract: Quick setting anionic bituminous emulsions in which the emulsifier is an alkylbenzenesulfonic acid which has been neutralized with specified alkyl or hydroxyalkyl amines.

Abstract: This invention provides emulsions of rubberized asphalt, which are preferably extended with oil and are especially useful for chip seal, slurry seal and cold mix applications. The novel composition may be prepared by passing an aqueous surfactant-containing solution and a homogeneous gel, comprising rubberized asphalt or oil-extended rubberized asphalt through a colloid mill to provide an emulsion having a small and uniform particle size.

Abstract: The present invention is directed to a foamed product having a substantially closed cellular configuration. The foamed product is formed from a blend of asphalt with a polyvalent metal salt of anionic group containing polymers. The resultant foam product exhibits low bulk densities and pore volumes of about 85 percent or greater.

Abstract: Ionomeric polymer compositions are provided which comprise an ionomeric polymer and about 5 to about 125 parts by weight of gilsonite, per 100 parts by weight of the ionomeric polymer. The inventive compositions can be formulated as processable materials which can be fabricated into articles such as sheets, tubes, and films having improved tear propagation resistance and fire retardance and decreased levels of water absorption.

Abstract: Cationic emulsions of bituminous binders of the type consisting of an organic phase formed of a bituminous binder dispersed in an aqueous phase containing a cationic emulsifying agent and an acid.The bituminous binder is a bitumen-polymer type binder and the acid present in the aqueous phase is a possibly hydroxylated mono or polycarboxylic acid, used in sufficient quantity that the pH of the said aqueous phase is comprised between 1 and 7.The bituminous binders of the bitumen-polymer type having passed through the said emulsions present an excellent aging behavior.

Abstract: The adherence between an asphalt and aggregate is increased by incorporating into the asphalt a vinyl monomer and an alkenyl azabenzene.

Abstract: A method for reclaiming used asphalt by mixing it with a chemically modifying system consisting of a polymerizable vinyl monomer and an alkenyl azabenzene.

Abstract: A rubberized asphaltic concrete composition in which the particle sizes of the rubber granulate and the mineral aggregate are adjusted so that a relatively typical particle distribution is achieved in the total aggregate.

Abstract: The adherence between an asphalt and aggregate is improved by including in the combination styrene and an acrylamide.

Abstract: A pressure-sensitive adhesive is disclosed which is prepared by hot melt blending paving grade asphalt, a depolymerized virgin rubber, a terpene resin, and a vulcanizable, non-depolymerized styrene-butadiene copolymer. These adhesives are especially useful in forming membranes by coating one side of an asphaltic based coated reinforcement with these adhesives. They are useful for highway repair and maintenance purposes and for waterproofing and show good adhesion to cementitious, for example asphaltic concrete or Portland cement concrete, substrates.

Abstract: The performance of an asphaltic paving material can be greatly improved when the paving material is prepared by first coating the particles of the aggregate material with a molten phenolic resin and then mixing the thus resin-coated aggregate material with asphalt and the like bituminous material. The phenolic resin is preferably modified with a phenoxy resin.

Abstract: Sulfonated asphalt/hydrogenated conjugated diene-monovinyl aromatic copolymer compositions, preparations thereof, and use in well working fluid compositions.

Abstract: The present invention is a sulfur stabilized composition. The composition comprises an oxidized polyolefin, preferably oxidized polyethylene or oxidized polypropylene, with oxidized polyethylene being most preferred. The composition of the present invention can comprise oxidized polyolefin, asphalt, preferably oxidized, and optionally a filler.

Abstract: Method and composition for protecting, maintaining and repairing paved surfaces utilizing a workable fiber-containing asphalt and/or latex emulsion in combination with an active amount of a water-soluble polymer material differing in ionic characteristics from the emulsion or emulsifier component thereof.

Abstract: A pressure-sensitive adhesive is disclosed which is prepared by hot melt blending paving grade asphalt, a depolymerized virgin rubber, a terpene resin, and a vulcanizable, non-depolymerized styrene-butadiene copolymer. These adhesives are especially useful in forming membranes by coating one side of an asphaltic based coated reinforcement with these adhesives. They are useful for highway repair and maintenance purposes and for waterproofing and show good adhesion to cementitious, for example asphaltic concrete or Portland cement concrete, substrates.

Abstract: Poly(arylene sulfide) compositions are pigmented with black carbonaceous pigments selected from at least one of finely divided bituminious coal, carbonized rice hulls, bone blacks, and micropulverized petroleum coke in an amount sufficient to provide the black pigmentation desired with little or no deleterious effect on the mechanical properties such as flexural and tensile strengths of the resin.

Abstract: A friction material for use as a brake lining in automobiles, trucks, buses or similar vehicles. The brake lining contains no more than traces of asbestos and utilizes the mineral vermiculite as a basic constituent. The formulation of the brake lining comprises a non-fibrous natural or synthetic mineral or mineral-like material which on being compressed at ambient temperatures and at pressures of 1700 to 2600 p.s.i. has significant green strength in the order of 2 to 25 p.s.i. and also has appropriate thermal resistance, frictional properties, and shear and flexural strengths, together with a thermosetting resin as the basic components together with other organic and inorganic materials as friction modifiers and fillers. The mineral preferably comprises vermiculite, and together with the resin comprises preferably about 35% to 100% by weight of the brake lining formulation. The ratio by weight of resin to vermiculite is preferably in a range having a upper limit not exceeding about 1.2/l to 1.

Abstract: Stabilization of asphalt and asphalt rubber compositions against degradation, e.g., viscosity increase by addition of a finite small but effective viscosity stabilizing amount of at least one alkali metal salt of an organic or inorganic acid.

Abstract: An asphalt blend in which a butadiene-styrene elastomeric block polymer can easily be dispersed at between about 325.degree. F. and about 400.degree. F. and, after cooling, forms a stable material useful as a roofing composition and having a flash point of greater than about 450.degree. F., said blend being composed of a propane extracted asphalt and from about 5 weight % to about 45 weight % of a fluid bed catalytic petroleum cracker bottoms oil comprising a major proportion of oils boiling above 700.degree. F. and, optionally, a minor proportion of oils between about 350.degree. F. and 700.degree. F.

Abstract: Stabilization of asphalt and asphalt-rubber compositions against degradation, e.g., viscosity increase by addition of a finite small and effective viscosity stabilizing amount of an alkali metal nitrite.

Abstract: Synthetic asphalt mixtures comprise selective blends of tall oil and/or tall oil pitch and naturally occurring or man-made gilsonite.

Abstract: An aqueous asphaltic emulsion is provided in which the dispersed asphaltic material is the prereacted reaction product of asphalt having a viscosity of less than about 120,000 cps (at 140.degree. F.), an acrylamide, a vinyl aromatic monomer and an elastomer.

Abstract: A high-float rapid-setting emulsion comprised of asphalt, tall oil, tall oil derivatives or mixtures thereof, copolymer selected from the group consisting of a styrene-butadiene-styrene block and styrene-isoprene-styrene block, petroleum distillate, water, and strong base. In addition, methods of manufacturing a high-float, rapid-setting emulsion including a first method comprising mixing asphalt with tall oil, tall oil derivatives or mixtures thereof, and combining and mixing said mixture with treated water comprising tall oil, tall oil derivatives or mixtures thereof, strong base, and water.

Abstract: An asphalt composition is made by mixing together asphalt, at least one alkadiene-vinylarene copolymer, a petroleum hydrocarbon resin and an amine-based antistripping agent. A fibrous mate can be coated with the above-described composition to produce an article useful for road repair applications and waterproofing purposes.

Abstract: An improved pavement binder composition comprises a digestion of rubber particles of low bulk density, preferably of the porous nodular surface morphological type, in a bituminous material.

Abstract: Asphaltic compositions having improved elastic properties and improved adhesion to aggregate particles as well as a high degree of resistance to stripping action are provided which comprise a major amount of asphalt and a minor amount of terpolymer of ethylene, vinyl acetate or vinyl chloride and an organic acid alkoxylated with about 1 to about 10 weight percent of an alkylene oxide. Optionally, the composition may contain a minor amount of a synthetic terpenic resin.

Abstract: Paving mixtures are disclosed comprised of paving grade asphalt containing about 4 to 10% by weight of a fibrous filler and 2.5 to 15% by weight of a mixture of eighteen carbon fatty acids containing up to about 30% by weight of rosin.

Abstract: A rubberized asphalt composition which comprises a moisture-curing diene series liquid rubber, asphalt and aggregates, and a process for producing same. Liquid rubber having a molecular weight of from 500 to 50,000 and having an isocyanate group or an isocyanate group blocked by phenol or acetoxime as a functional group at the terminals of the molecule is preferably utilized. The liquid rubber comprises from 4 to 10% by weight of the total of liquid rubber and asphalt.

Abstract: An asphalt composition comprising (A) 100 parts by weight of straight asphalt; (B) 0.1 to 20 parts by weight of a diene liquid rubber having at least one carboxyl group, epoxy group or amino group in the molecule; and (C) 2 to 350 parts by weight of (i) a fibrous filler or (ii) at least one filler selected from the group consisting of wood flour, talc, calcium carbonate, clay, carbon black and white carbon, having a grain size of 200 microns or less. The composition may also contain (D) 1 to 50 parts by weight of a resinous tackifier. The invention also provides a vibration damping sheet comprising said composition.

Abstract: The present invention relates to new azulmic acids stabilized by condensation with carbonyl compounds, several processes for their preparation and their use for various purposes.

Abstract: The present invention is an asphaltic composition which is useful as a roofing asphalt formulation and method of making this formulation. The composition includes about 39 to 99 percent by weight of oxidized asphalt and between 1 and about 8 percent of oxidized polyethylene. It is preferred to use between about 0 to 40 percent of the saturant, which can be an unoxidized asphalt, to modify the viscosity of the formulation. There can be a filled asphaltic composition comprising about 40 percent by weight to about 99 percent by weight of the asphaltic composition and about 1 percent by weight to about 60 percent by weight of filler, which can be stone dust.

Abstract: This invention relates to hot melt adhesive compositions which include an amine terminated polyalkylene oxide neutralized sulfonated thermoplastic polymer wherein the neutralized sulfonated thermoplastic polymer has about 5 to about 250 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated thermoplastic polymer, and about 25 to about 200 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, having about 5 to 6 carbon atoms, the hydrocarbon resin being composed of aliphatic dienes and monoolefins per 100 parts by weight of the neutralized sulfonated thermoplastic resin.

Abstract: The bituminous mixtures for roads consist in a granular composition basically containing hard rock aggregate and a binder composed of very hard bitumens and possible additives and used in an amount corresponding to a corrected richness modulus .kappa. within the range of 3.8 to 4.5 in accordance with the relation: ##EQU1## .SIGMA.=conventional specific surface-area of the aggregate=0.25 G+2.3 S+12s+135f, in m.sup.2 /kg with the proportions by weightG representing the percentage of particles larger than 6 mmS representing the percentage of particles ranging from 6 to 0.315 mms representing the percentage of particles ranging from 0.315 to 0.08 mmf representing the percentage of particles smaller than 0.08 mmK=corrected richness modulus.alpha.=corrective coefficient intended to take into account the mass per unit volume of the aggregate, .alpha. being equal to 2.65/mass per unit volume of the aggregate.

Abstract: A molding composition contains an ester-compatible, thermoplastic and/or elastomeric synthetic resin, optionally other additives including plasticizers, stabilizers, pigments, mold lubricants fillers, antioxidants, high-polymeric additives and bitumen and the DMT distillation residue formed during the manufacture of dimethyl terephthalate by the Witten process. Generally the composition contains at least 5 parts by weight of the residue per 100 parts by weight of the synthetic resin.