Abstract: Modified asphalt compositions are described which comprise(A) asphalt, and(B) a minor effective amount, sufficient to improve the durability of the asphalt in service, of at least one hydrocarbon-soluble acrylate polymer of the formula ##STR1## wherein R.sup.1 is a lower alkyl group containing from 1 to about 4 carbon atoms, R.sup.2 is a mixture of alkyl groups containing from about 4 to about 20 carbon atoms, and x is an integer providing a weight average molecular weight (Mw) to the acrylate polymer of about 5000 to about 1,000,000.Generally, the modified asphalt compositions will contain from about 0.01 to about 10% by weight, based on the weight of the asphalt, of the acrylate polymer as defined. The modified asphalt compositions of the present invention are useful in roofing and in preparing aggregate-containing asphalt concretes which can be employed as paving compositions.

Abstract: A nontacky, shock absorbing rubber composition suitable for replacing the natural clay used in horseshoe pits to absorb the energy of a thrown horseshoe, said composition comprising butyl rubber, crosslinked butyl rubber, cellulose fibre, particulate filler and plasticizer.

Abstract: Disclosed are window envelopes and method of making wherein the window envelope film from which window patches are made contains a particulate anti-flecking agent and optionally an acid scavenger.

Abstract: Properties and cold applicability of asphalt elastomer compositions are substantially improved by utilizing cyclohexanone therein as a co-solvent.

Abstract: The invention relates to a process for producing a binder based on bitumen and rubber powder, and comprising as an additive a heavy oil and also a synthetic elastomer. The constituents of the binder are mixed intimately to obtain an initial mixture at a temperature of between 175.degree. and 185.degree. C.; this temperature is maintained with agitation for around two hours, then the temperature of the mixture is lowered by 15.degree. to 20.degree. C. and the binder thus obtained can be kept for up to 10 days without any notable change in its properties.

Abstract: Bitumen-polyolefin compositions, e.g. for use as binders in paving compositions, are stabilized by an emulsifier system comprising a polyethylene wax terminally functionalized with acidic groups and having a polymeric main chain structure which is compatible with the polyolefin of the dispersed phase of the binder. In a preferred embodiment, the emulsifier system also includes an inorganic metal compound which will react chemically with the terminal functional groups of the polyethylene wax. Especially preferred is maleated polyethylene wax (as the polyethylene wax) and ferric oxide (as the inorganic metal compound). The emulsifier system forms a sheath of inorganic material around the dispersed polyolefin droplets, to stabilize them and to hinder their floatation to the surface of the binder composition.

Abstract: A ground surface material comprising a particulate base material such as sand which is coated with a binder comprising a free flowing extender oil, typically an aromatic oil, having a synthetic polymeric material such as styrene-butadiene-styrene copolymer dissolved or dispersed therein. The material can be laid on a suitable porous base to form a sports surface for a horse running track or the like.

Abstract: Disclosed is a damping member comprising, as main components, a petroleum resin, asphalt and mica. By selecting and using mica as the filler and incorporating mica in an amount smaller than the amount of asphalt, the adhesion follow-up property to a substrate can be improved.This damping material can be attached simply and assuredly to a substrate having a curved surface, such as a tube or pipe, an air-conditioning duct or a part of a building or vehicle by heat-pressing or heat-fusion-bonding, and a product having an excellent damping effect is provided.

Abstract: Disclosed are window envelopes and a method of making wherein the window envelope film from which window patches are made contains an anti-flecking agent in the form of a wax.

Abstract: A rust preventive coating composition to be applied to the underfloor of an automotive vehicle for the purpose of preventing the underfloor from being rusted. The rust preventive coating composition comprises asphalt, metallic salt of petroleum sulfonic acid, metallic salt of petrolatum oxide, wax-like material, microwax, metallic salt of lanolin fatty acid, metallic salt of synthetic sulfonic acid, plasticizer, solvent, extender pigment, additive, reforming agent and inorganic running preventive agent. The extender pigment includes barium sulfate ranging not less than 20 wt % of the total amount of the extender pigment, and calcium carbonate ranging not less than 5 wt % of the total amount of the extender pigment. The reforming agent ranges from 1 to 10 wt % of the total amount of the rust preventive coating coposition. The inorganic running preventive agnet ranges from 0.5 to 10 wt % of the total amount of the rust preventive coating composition.

Abstract: An adhesive composition for roofing such as shingles is disclosed which is composed of a hard asphaltic bitumen fraction having a penetration number at 77.degree. F. of from 0 to 30 dmm and a softening point of from about 150.degree. to 220.degree. F. and an elastomeric composition composed of a thermoplastic elastomer and a plasticizer wherein the overall adhesive composition has a penetration number of from 30 to 100 dmm at 130.degree. F. and a softening point of 140.degree. to 230.degree. F. The inventive composition is self-sealing and exhibits excellent squash resistance, low temperature properties and resistance to blowoff. The composition can be used with shingles as well as other types of roofing coverings.

Abstract: A bituminous composition comprising:(a) from 99 to 85% w of a mixture of:(1) 45 to 99.8% w of a bituminous component having a penetration of at least 800 dmm at 25.degree. C.;(2) 0.1 to 30% w of a lithium salt of a C.sub.10-40 fatty acid or hydroxy fatty acid;(3) 0.1 to 25% w of an elastomer; and(b) from 1 to 15% w of an amorphous silica filler.

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: A floor covering material with enhanced chemical, particularly acid, resistance containing refractory oxide, asphaltite, high oil asphalt, asphalt with a softening point in the range of about 210.degree.-230.degree. F., reinforcing fiber, crystalline polyolefin polymer and optionally, non-crystalline polyolefin polymer. The disclosed floor covering material is single-layered.

Abstract: The present invention provides a process for the preparation of polymer modified asphalt compositions.

Abstract: Modified asphalt compositions are described which comprise(A) asphalt, and(B) a minor effective amount, sufficient to improve the durability of the asphalt in service, of at least one hydrocarbon-soluble acrylate polymer of the formula ##STR1## wherein R.sup.1 is a lower alkyl group containing from 1 to about 4 carbon atoms, R.sup.2 is a mixture of alkyl groups containing from about 4 to about 20 carbons atoms, and x is an integer providing a weight average molecular weight (Mw) to the acrylate polymer of about 5000 to about 1,000,000. Generally, the modified asphalt compositions will contain from about 0.01 to about 10% by weight, based on the weight of the asphalt, of the acrylate polymer as defined. The modified asphalt compositions of the present invention are useful in roofing and in preparing aggregate-containing asphalt concretes which can be employed as paving compositions.

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: An asphalt composition containing an asphalt, a copolymer of an olefin with an anhydride or a nitrile, and an unsaturated elastomer having at least two terminal groups each with an active hydrogen, a halogen, an epoxy oxygen or a cyanocarbon. The composition may be prepared by copolymerizing an olefin with an anhydride or a nitrile in the presence of a free radical initiator, and thereafter mixing the copolymer with the asphalt and elastomer. The copolymer may be mixed first with a petroleum oil, then with the elastomer and lastly with the asphalt. The copolymer may be a polyanhydride from maleic anhydride and 1-octadecene and the elastomer may be a hydroxy-terminated polybutadiene.

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: A low temperature self-sealing roofing adhesive blend comprising(a) 50-95% by weight of a bituminous component having an asphalt component Index (ACI) less than 0.26 and an asphaltene content less than 20% which component is a road paving asphalt or a blend of road paving asphalt and a hard resin asphalt combined in a weight ratio of between about 1:2 and about 5:1;(b) 1-6% by weight of a thermoplastic block polymer of styrene and butadiene monomers consisting essntially of between 0% and 90% of the styrene/butadiene diblock polymer having a Brookfield viscosity (25 wt. % toluene solution) at 77.degree. F. of between about 500 and about 5,000 cps and between 100% and 10% of the styrene/butadiene/styrene triblock polymer having a Brookfield viscosity (25 wt. % toluene solution) at 77.degree. F. of between about 1,000 and about 50,000 cps and(c) 4-40% by weight of an inert filler.The invention also pertains to the use of the above blend as a roofing self-sealing adhesive.

Abstract: A water repellent composition comprising an emulsion prepared by emulsifying in water (A) a wax having a melting point of from 40.degree. to 90.degree. C. and (B) an olefin-maleic anhydride derivative in the presence of (C) a water-soluble alkaline compound and/or a nonionic emulsifier.

Abstract: The present invention provides an aqueous emulsion joint and crack filler capable of passing the ASTM Specification 1190 for joint and crack fillers. The emulsion solids are the reaction product of asphalt, an extender oil, a mixture of elastomers, an acrylamide and a vinyl monomer. The preferred elastomer mixture includes a liquid rubber and at least one block copolymer of styrene and a conjugated diene, such as triblock and diblock copolymers of styrene and butadiene. The preferred emulsion medium is water containing a surfactant and an acrylamide polymer. The emulsion is poured at ambient temperature into a joint or crack, and cures rapidly to ensure minimal traffic interruption.

Abstract: The present invention relates to bituminous polymer emulsions and more particularly to a novel method for producing such emulsions to produce a coating which yields superior flexiblity and water resistance.The method of producing the bituminous polymer consists in passing heated asphalt and a heated polymer emulsion through a colloid meal. The resultant emulsion may have up to 75% solids.

Abstract: To an aqueous dispersion of spurted polyolefin pulp is added from about 1% to about 20%, preferably from about 2% to about 12%, by solid weight based on the weight of spurted polyolefin pulp, of an anionic latex containing a natural rubber or synthetic which is swellable in hydrocarbons. The latex is then precipitated onto the spurted polyolefin pulp with a suitable agent, preferably water-soluble calcium, magnesium, barium or aluminum salts or calcium or barium hydroxides. When the product is recovered, the resulting natural rubber or synthetic treated spurted polyolefin pulp is readily dispersible in hydrocarbons. Because of this, the pulp can be added to cutback asphalt to form viscous compositions which can be readily sprayed, brushed and troweled with minimal pulp separation problems.

Abstract: There is provided a blend of a slow setting asphalt emulsion with rapid setting emulsion containing the reaction product of asphalt, an acrylamide, a vinyl aromatic monomer and a rubbery polymer.

Abstract: A method for producing a finely distributed powder, which contains a thermoplastic synthetic material, where, in order to form particles containing the synthetic material, thermoplastic synthetic material is introduced in a non-aqueous carrier substance, which is liquid in the melting temperature range of the synthetic material, and is mixed in the melting temperature range with the carrier substance, and ground lime is then added to this mass, and thereafter an aqueous slurry is added to the mass. By the reaction between the lime and the aqueous slurry, the mass is converted to a powder containing synthetic material, More particularly,bitumen is selected as a carrier substance. The powder can preferably be introduced to produce a synthetic material-containing bituminous binder for building materials.

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: Pressure sensitive bitumen-based adhesive compositions are provided which comprise bitumen, oil, an ionomeric elastomer, and gilsonite. The adhesives are particularly useful as self adherent waterproofing layers in roofing. The presence of gilsonite can result in substantial increases in the shear strength of these adhesives at the relatively high temperatures encountered in roofing applications.Also provided are waterproofing membranes comprising the inventive adhesive compositions.

Abstract: Bitumen-based pressure sensitive adhesive compositions are provided which comprise bitumen, oil, and an ionomeric elastomer. The adhesive compositions are useful as self adherent waterproofing layers, particularly in roofing applications. The use of the ionomeric elastomer permits formulation of the adhesive to have improved tack at the lower temperatures encountered in such application while maintaining desired flexibility, shear strength, and flow resistance.Also provided are waterproofing membranes comprising the inventive adhesive compositions.

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: Bitumen-polymer compositions are prepared, by mixing, at between 130.degree. C. and 230.degree. C., a bitumen with a styrene and conjugated diene copolymer and a sulphur source, the copolymer and the sulphur source being added to the bitumen either directly, or in the form of a mother solution in a hydrocarbon oil, then by maintaining the whole under stirring at between 130.degree. C. and 230.degree. C. for at least fifteen minutes. By way of sulphur source is used 0.005 to 15% by weight, with respect to bitumen, one or several polymeric or not, cyclic or linear polysulphides, and especially ditertiododecyl or dinonyl pentasulphide. The bitumen-polymer compositions obtained can be used for the obtention of superficial road coverings and present a constant quality of its properties.

Abstract: Composition produced from paving grade asphalt, process oil (not over 32%) and SBR rubber or rubbers, such as butadiene-styrene copolymers, in decreasing amounts by weight. A preferred range is asphalt 41.9-61.25%, process oil 18-25%, lower molecular weight butadiene-styrene copolymer 8-17%, higher molecular weight butadiene-styrene copolymer 2-4% and filler, such as limestone dust, 0-20%. Other preferred formulae are shown, as well as temperature and other conditions of the preferred method, including reheating of composition for application to joints, cracks and the like.

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: A method for producing board materials of cellulose containing components using formaldehyde-based curable glues. By treatment of at least one part of the components at a low moisture content with a formaldehyde absorbing agent the board materials obtained after pressing get a low content of free formaldehyde and very good strength properties. The moisture content of the components at the treatment is lower than 12 percent by weight. the formaldehyde absorbing agent is preferably urea.

Abstract: This invention relates to a blend of an olefin/alkyl acrylate copolymer and hardened extract which has a saturated hydrocarbon content of not more than 10% by weight and articles made therefrom, e.g. linings for reservoirs and for water proofing roofs. The new products are easier to manufacture since they resist gelation, do not suffer from problems of shrinkage and are appreciably cheaper.

Abstract: A semiconductive material which is formed by impregnating glass fibers or glass fabric with an organic material which is pyrolyzed in the substantial absence of oxygen and at a temperature which is above the pyrolysis temperature of the organic material, but below the boiling point or sublimation temperature of the organic material. By such pyrolysis, the organic compound is converted to substantially pure carbon deposited on the glass fibers which impart to the glass fibers semiconductive characteristics.

Abstract: A cutback of a mixture of bitumen and rubber is prepared by treating a mixture of bitumen and rubber with a peroxide at 100.degree.-240.degree. C. and adding a volatile solvent. The obtained cutback can easily be sprayed on roads and shows a good retention for chippings.

Abstract: The invention is directed to a compounded thermoplasticized gutta percha or balata and isoprene polymer resin, for filling a dental root canal in an efficient and convenient manner, and a method for preparing the same.The compounded resin includes gutta percha or balata and isoprene polymer and compounding materials including paraffin wax, adapted to compound the gutta percha or balata and isoprene polymer such that they plasticize at a relatively low temperature in the range of 40.degree. C. to 60.degree. C. The use of gutta percha or balata and isoprene polymer, and the relatively low plasticizing temperature, enable the compounded resin to be injected into a prepared dental root canal for filling thereof in an efficient and convenient manner.The method for preparing the compounded resin includes combining, heating and mixing gutta percha or balata and isoprene polymer and the compounding materials to a relatively low temperature in the range of 40.degree. C. to 60.degree. C.

Abstract: A board of cellulose containing components using formaldehyde-based curable glues. By treatment of at least one part of the components at a low moisture content with a formaldehyde absorbing agent the board obtained after pressing get a low content of free formaldehyde and very good strength properties. The moisture content of the components at the treatment is lower than 12 percent by weight. The formaldehyde absorbing agent is preferably urea.

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: A wax emulsion is disclosed which upon application to a material forms a film capable of keeping the material water-proof or otherwise protective against ambient influences. The quality of the wax emulsion is improved by the combination of a hydrocarbon wax with a liquid polybutadiene a polybutene or a polyisobutylene.

Abstract: A method of preparing a thermoplastic, water-soluble, phenolic aldehyde resin and the composition are provided to enhance the flexibility and resistance to compression fatigue breakage of glass fibers to which the resin has been applied. The method involves two steps. In the first step, the phenolic compound and the aldehyde are reacted to less than 100 percent completion in an amount so that the aldehyde to phenolic compound ratio is in the range of about 0.6 to about 1.5 and at an acidic pH and for a period of time equivalent to about 3 hours to about 10 hours when the temperature is in the range of about 55.degree. F. (13.degree. C.) to about 90.degree. F. (32.degree. C.) to produce a resinous mixture. In the second stage the pH of the reaction is adjusted within the range above about 7.0 to about 7.

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: A cold applied joint sealant usable for both portland cement and asphaltic concrete pavements, which comprises an asphalt/urethane formulation resulting from the mixture of a liquid butadiene polymer, containing predominantly primary terminal hydroxyl groups, with a urethane reactant of di- or polyisocyanate. The sealant has low urethane content and cures to provide a low modulus, high penetration, with 85%-95% resilience and zero flow. An initial set time of less than about 120 minutes is achieved, which permits vehicular traffic to be accommodated thereover soon after application.

Abstract: An improved asphalt containing composition having desirable softening point and low temperature properties are prepared by incorporating into the asphalt a hydrogenated rubber, e.g., a hydrogenated styrene vinyl aromatic copolymer, a petroleum solvent, and an essentially amorphous silica.

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

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.