Abstract: A bituminous composition comprising a bituminous component, a polymer which comprises at least one block of a conjugated diolefin and at least one block of an acrylic monomer such as an alkyl methacrylate and from 0.001 parts to 1 part by weight of a polyfunctional amine having at least two amino groups. An acid or anhydride functionalized conjugated diene block copolymer may be used in place of the acrylic monomer polymer.

Abstract: A stable emulsion of gilsonite, lignosulphonates and acrylic polymers in water.

Abstract: The present invention provides a polymer-modified bitumeniferous composition containing polymer components in the amount of 0.5-50 wt. %, wherein 20-100 wt. % of the polymeric additive is a copolymer comprises of units of: C.sub.6 -C.sub.28 -alkyl (meth)acrylates in the amount of 80-99.9 wt. %, maleic anhydride in the amount of 0.1-20 wt. %, and other polymerizable compounds in the amount of 0-19.9 wt %. The polymer-modified bitumens exhibit excellent and persistent homogeneity, high elastic resilience, and a good range of plasticity.

Abstract: The subject invention relates to a process for coating aggregate which is particularly useful in making asphalt concrete to provide the aggregate with a high level of resistance to stripping by water, which comprises: (1) mixing the aggregate with latex to form a latex/aggregate mixture which is comprised of from about 0.005 weight percent to about 0.5 weight percent dry polymer; (2) heating the latex/aggregate mixture to a temperature which is within the range of about 66.degree. C. to about 232.degree. C.; (3) maintaining the latex/aggregate mixture at said elevated temperature for a time which is sufficient to reduce the moisture content of the latex/aggregate mixture below about 0.7 weight percent and to allow the polymer in the latex to crosslink on the surface of the aggregate to produce the coated aggregate.

Abstract: This invention relates to emulsion-type adhesive compositions which include a copolymer of a conjugated diene and sulfopropyl-N-methacroyloxyethyl-N,N-dimethyl ammonium betaine, wherein the sulfobetaine copolymer has about 0.15 to about 15 mole % sulfobetaine groups per 100 grams of the neutralized sulfonated copolymer, and less than about 250 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 mono-olefins per 100 parts by weight of the neutralized sulfonated copolymer.

Abstract: A bitumen emulsion comprising (a) bitumen, (b) water, (c) optionally at least one emulsifier, and (d) a conjugated diene block copolymer containing functional groups which have a strong affinity for water. A bituminous composition comprising (a) bitumen, and (b) a polymer emulsion comprising (i) water, (ii) optionally at least one emulsifier, and (iii) a conjugated diene block copolymer containing functional groups which have a strong affinity for water.

Abstract: A liquid modifier for topical application to in-situ aged asphalt pavement, said modifier being an emulsion and consisting essentially of the following components:a. a predominantly asphaltene asphalt;b. a predominantly maltene recycling agent;c. a rubbery polymer or latex selected from the group consisting of styrene-butadiene-styrene, styrene butadiene rubber, neoprene latex, and natural rubber, and combinations of one or more of them;d. an emulsifiere. watersaid emulsion being a flowable liquid so as readily to be poured onto a surface and brushed or wiped onto and into it, and readily to flow into and penetrate small cracks in the pavement, and when the water has evaporated, to form a structural bridge and bond between opposed faces of the cracks, and also to pentrate into the original asphalt pavement through said faces to improve its properties.

Abstract: A rubberized chemical emulsion having rubber added to an anionic material after the anionic material has passed through a colloid mill.

Abstract: The present invention relates to an asphalt-rubber emulsion useful as a joint and crack sealant that can be applied to concrete and asphalt at ambient temperatures, and to a method for producing same. The aqueous emulsion comprises a polymeric surfactant and the reaction product of an asphalt-elastomer mixture, a liquid rubber, and a peroxide cross-linking agent. The emulsion has a relatively high solids content and a relatively high rubber content.

Abstract: A process is provided for feeding cables, wires, pipes etc. through a wall in such a way that the water- and/or gas resistance of the wall is maintained and that later on additional cables etc. can be passed through. The process uses a sealing agent comprising an intimate mixture of a water-swellable substance such as a clay and a hydrophobic substance such as vaseline. The sealing agent can be placed in a tubular device for providing water-tightness when making a bushing in a partially porous wall.

Abstract: A method for producing an asphalt mixture using single particle-size aggregate whose weight ratio passed through a sieve having the size of mesh of 2.36 mm is lower than 15% comprising the steps of: (1) adding foamed surface active agent of 1.0 to 30.0% in its weight ratio to asphalt to the asphalt and aggregate which are mixed in a mixer of an asphalt plant or (2) adding rubber latex of 6 to 30% in its weight ratio to pure asphalt, and adjusting the quantity of the asphalt containing rubber so as to exceed 5.5% and stay below 8.0% in its weight ratio to the asphalt mixture and forming the asphalt containing rubber on the surface of the aggregate.

Abstract: Disclosed are bituminous blends having improved toughness and elasticity. The blends contain a bituminous binder and a tapered block copolymer formed from a monovinyl aromatic compound and a conjugated diene. Suitable tapered block copolymers include a tapered A-B-A type block copolymer of the A-t-B-t-A configuration, particularly those having an isolated monovinyl aromatic compound content of about 20 to about 90 weight percent, and tapered A-B-A type block copolymers of the A-B-t-A configuration having an isolated monovinyl aromatic compound content of about 20 to about 90 weight percent of the total monovinyl aromatic compound in the tapered block copolymer. Further disclosed is a method of making the blends. Further disclosed is a tapered A-B-A type block copolymer having an isolated monovinyl aromatic compound content of about 29 to about 75 weight percent.

Abstract: Disclosed are bituminous blends having improved toughness and elasticity. The blends contain an emulsion of a bituminous binder and an emulsion of a tapered block copolymer formed from a monovinyl aromatic compound and a conjugated diene. Suitable tapered block copolymers include a tapered A-B-A type block copolymer of the A-t-B-t-A configuration, particularly those having an isolated monovinyl aromatic compound content of about 20 to about 90 weight percent, and tapered A-B-A type block copolymers of the A-B-t-A configuration having an isolated styrene content of about 20 to about 90 weight percent of the total monovinyl aromatic compound in the tapered block copolymer. Also disclosed is a method of applying the blends to various surfaces.

Abstract: Blends of asphalt and 0.1 to 5 weight percent of a chloroprene polymer are disclosed. The chloroprene polymers can contain up to 12 weight percent 2,3-dichlorobutadiene-1,3 a vinyl monomer or mixtures thereof. The chloroprene polymers are mercaptan-modified or dialkyl- or dialkoxy xanthogen disulfide-modified chloroprene polymers having a gel content of 10 to 50 weight percent and preferably from 20 to 40 weight percent.

Abstract: This invention relates to a pressure sensitive adhesive compositions which include an emulsion of a metal neutralized sulfonated copolymer of isoprene/sodium styrene sulfonate, wherein the neutralized sulfonated copolymer has about 5 to about 250 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated copolymer, and less than about 50 parts by weight of an emulsion of a preferential polar plasticizer, and less than about 300 parts by weight of an emulsion of a hydrocarbon tackifying resin of a petroleum or coal tar distillate, having about 4 to 12 carbon atoms, wherein the hydrocarbon resin is composed of aliphatic dienes and monoolefins per 100 parts by weight of the neutralized sulfonated copolymer.

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: The present invention provides for a method of converting an anionic latex to a cationic latex by the addition of a steric stabilizer and a cationic surfactant. The invention also provides for a method of using the cationic latex prepared by the conversion, in an asphalt emulsion. The converted latex provides improved torsional recovery properties to the cured asphalt emulsion.

Abstract: Disclosed is a polymer-modified asphalt composition which comprises a mixture of (a) a blend of from about 10 to 75 weight-percent of one or more of a thermoplastic rubber polymer and from about 90 to 25 weight-percent of one or more of a fatty dialkyl amide, and (b) an asphalt cement. Also disclosed is a method of preparing such compositions, which requires gentle stirring only.

Abstract: A cationic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde and the uses of the emulsifier in cationic bituminous emulsions and paving slurry seal mixtures are disclosed.

Abstract: The present invention relates to a modified asphalt cement containing from about 90 to about 99 parts by dry weight of an asphalt cement and from about 1 to about 10 parts by dry weight of a rubber latex having a weight average molecular weight of less than 250,000 and a Mooney viscosity ranging from about 4 to 17. The latex is a random polymer comprising from about 65 to about 85 weight percent of at least one C.sub.4 -C.sub.6 conjugated diolefin and from about 15 to about 35 weight percent of styrene. The latex polymer is highly compatible with the asphalt cement without sacrificing many of the other desirable physical properties.

Abstract: The setting time of cationic emulsions of asphalt, bitumen, coal tar or a mixture thereof may be shortened by incorporating into such emulsion at least 0.001 parts by weight per 100 parts by dry weight of said emulsion of a polycarboxylic acid.

Abstract: A cationic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde and the uses of the emulsifier in cationic bituminous emulsions and paving slurry seal mixtures are disclosed.

Abstract: An cationic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde and the uses of the emulsifier in cationic bituminous emulsions and paving slurry seal mixtures are disclosed.

Abstract: Anionic Emulsions of asphalt, bitumen, or tar which may optionally contain a latex of a rubbery polymer may be set using a destablizing system comprising either an alkali silicofluoride in the presence of a sulfamate or a mixture of an amine in the presence of a divalent metal ion. The setting time for such emulsions can be reduced to less than half an hour.

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: This invention provides cationic emulsions of bituminous binders of the bitumen/polymer type, formed by a dispersion of an organic phase of the binder in an aqueous phase containing a cationic nitrogenous emulsifier and a mineral or organic acid, the acid being in appropriate quantity so that the pH of the aqueous phase is comprised between 3 and 9. The aqueous phase also contains an agent consisting of at least one water-soluble sequestering salt of phosphonic acid, particularly a salt of alkaline metal or of amine of hydroxyalkyl-1,1-diphosphonic acid, and optionally a water-soluble thickening agent. To obtain the emulsions, which are usable for road applications, the emulsifying agent, the sequestering agent and optionally the thickening agent may be used in the form of a premixture containing the agents and called cationic emulsifying system.

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: Emulsion type rust-preventive baking composition which comprises a polymer emulsion such as an aqueous acrylic resin emulsion and a heat-fusible organic filler having a melting or softening point within the range of 40.degree.-250.degree. C. which is higher by at least 10.degree. C. than the lowest film-forming temperature of the polymer emulsion, as incorporated in the polymer emulsion. When the emulsion type rust-preventive baking composition obtained by the mixture is coated on reinforcing steel rods or the like treatment targests and baked, the heat-fusible organic filler melts and fills pores in the rust-preventive coat film, whereby the coat film is rendered close and compact to produce excellent rust-preventive effect.

Abstract: A two component water-based composition which cures in two stages, an initial rapid curing stage and a slower curing stage, comprising as the first component, a mixture of a polyaldehyde chosen from the group consisting of glyoxal glutaraldehyde and derivatives of glyoxal and gluteraldehyde, and a water dispersible component chosen from the group consisting of poxy resin emulsions which can be emulsified in water, synthetic latexes stable at about pH 7 or less, low molecular weight resin emulsions, epoxy ester emulsions, water emulsified alkyds, and cationic, anionic and non-ionic asphalt emulsions and, as the second component, the non-gel reaction product of N,N'-bis(methoxymethyl) uron and a polyamine chosen from a group consisting of primary and secondary amines and/or a monoamine.

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: This invention provides cationic emulsions of bituminous binders of the bitumen/polymer type, formed by a dispersion of an organic phase of the binder in an aqueous phase containing a cationic nitrogenous emulsifier and a mineral or organic acid, the acid being in appropriate quantity so that the pH of the aqueous phase is comprised between 3 and 9. The aqueous phase also contains an agent consisting of at least one water-soluble sequestering salt of phosphonic acid, particularly a salt of alkaline metal or of amine of hydroxyalkyl-1,1-diphosphonic acid, and optionally a water-soluble thickening agent. To obtain the emulsions, which are usable for road applications, the emulsifying agent, the sequestering agent and optionally the thickening agent may be used in the form of a premixture containing the agents and called cationic emulsifying system.

Abstract: Disclosed is an asphaltic elastomer and a method for its preparation. The asphaltic elastomer is synthesized from ingredients which are blended. These ingredients include an aqueous asphaltic phase, a polyisocyanate prepolymer, and optionally an organic cosolvent effective in compatibilizing the polyisocyanate prepolymer and water. The proportion of water from the asphaltic phase or as added being such that the molar ratio of water to isocyanate groups is greater than 1. The polyisocyanate prepolymer is formed from the reaction of an organic polyisocyanate and an organic polyether polyol containing at least about 40 weight percent ethylene oxide units.

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: 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: Latex may be extended with up to about 40% by weight of an emulsion of asphalt, bitumen or coal tar. The extended latex is useful in adhering scrim to carpet or in the manufacture of attached foamed carpet backing.

Abstract: The process according to the invention is characterized by the following stages:(A) an emulsion of asphalt composition is made starting from (a) an asphalt composition prepared by adding, at a temperature of 100.degree. to 150.degree. C., 20 to 95 parts of asphalt to 5 to 80 parts by weight of a polyurethane extender and from (b) an aqueous phase obtained by solution in water of 1 to 20% by weight of an emulsifier chosen from a polyamine hydrochloride, an amido-amine hydrochloride and a quaternary ammonium salt, then the asphalt composition (a), taken to a temperature of 120.degree. to 150.degree. C., is emulsified with the aqueous phase (b), taken to a temperature of 40.degree. to 80.degree. C.; p0 (B) a polyisocyanate aqueous emulsion is made by mixing, under strong agitation, 20 to 50 parts by weight of an organic polyisocyanate made up to 100 parts with water; and(C) the emulsions (A) and (B) are mixed. They then form, by reticulation at ambient temperature, a polyurethane in the mixture.

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: A heat-hardenable binder mixture based on organic resins comprises an organic resin having primary and/or secondary and, if appropriate, also additional tertiary amino groups and a crosslinking agent based on an organic compound which contains at least 2 .beta.-hydroxyalkyl ester groups. The binder mixture can additionally contain pigments, fillers, crosslinking catalysts, corrosion inhibitors and other paint auxiliaries. The binder mixture is used in a process for preparing coatings by applying a coating agent in the form of a film to a substrate and subsequently hardening the film by stoving.

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: Polyolefin reinforced asphalt paving and sealing composition containing straight chain unsaturated fatty acid having up to 30 weight percent rosin as a plasticizer, plus an adhesion control component comprising high density polyolefin fines; and a corresponding method for controlling high temperature tracking and washing characteristics without aggravating mixing or plugging problems, by replacing, at least in part, regular inorganic aggregate such as sand with high density polyolefin fines.

Abstract: A mortar for waterproof and protective coverings to be employed for building and road construction. The mortar comprises a mixture of an acrylic emulsion and finely ground clay which has been baked at a temperature range between 600.degree. C. and 1400.degree. C.

Abstract: Organopolysiloxane compositions adopted for easy conversion into burn resistant foams useful, e.g., for the protection of nuclear power installations, include admixture of various organopolysiloxane polymers comprising SiH, SiOH, SiR.sub.3 and Si-vinyl functions, and notably a hydroxylated liquid resin containing CH.sub.3 SiO.sub.1.5 and (CH.sub.3).sub.2 SiO units, or reaction product of a hydroxylated MQ resin with a hydroxylated polyorganosiloxane oil, or mixture thereof.

Abstract: A process for the preparation of a water-impervious surface coating on a substrate comprising applying to the substrate a layer of an aqueous bitumen emulsion containing, based on dry matter, 5-55% by weight of an acrylic prepolymer, 1-15% by weight of an air-drying alkyd resin, 40-80% by weight of bitumen, and optionally up to 5% by weight of additives, applying to this layer a glass fibre layer, and subsequently applying to the glass fibre layer at least one layer of water-based paint.A considerable saving in labor and time is obtained by the process and the coating obtained has an increased water vapor diffusion resistance.

Abstract: The present invention relates to an adhesive composition for manufacturing glued laminated beams and wood constructions. One component of the adhesive composition is resorcinol-phenol resin. Resorcinol-phenol adhesives are as such known in the prior art. The main ingredients of these adhesives are resorcinol, formaldehyde and phenol. Among the drawbacks in the use and production of resorcinol-phenol adhesives are their high price and the fact that the raw materials are difficult to obtain. The purpose for employing the adhesive composition of the invention is to eliminate some of the difficulties connected with the availability of the raw materials, particularly resorcinol, and to help produce a new, more economical resorcinol-phenol based adhesive composition.

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: An aqueous rubberized coal tar emulsion composition especially suitable for coating and sealing bituminous substrates containing asphalt such as asphalt pavement and the like, the coal tar emulsion composition comprising a major portion of commercial coal tar emulsion and water admixed with a small amount of a carboxylated butadiene/styrene/acid copolymer latex having a particular particle size. The emulsion composition may additionally include a fine aggregate filler material such as sand. The coal tar emulsion composition according to the invention is of a thixotropic nature and has the ability to maintain the fine aggregate when added and mixed therein in a homogeneous-like suspension. The emulsion composition when spread on an asphalt surface exhibits a high degree of spreadability and provides a sealing coating that has a long life.

Abstract: An open-graded emulsified asphalt paving mix is provided comprising a major portion of open-graded aggregate and a minor portion of cationic or anionic bituminous emulsion, the mix containing a minor portion of a polyelectrolyte having the opposite electric charge from that of the asphalt emulsifier which imparts excellent water resistance properties to pavement prepared from the mix. A method for producing the polyelectrolyte in situ is also provided.

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

Abstract: Synthetic form masses are described which are derived from thermoplastic polyolefins as well as mixed and copolymerisates thereof and a coal liquification product. The coat liquification product is a residue which precipitates out during extractive hydrogenation and has a softening point between 70.degree. and 200.degree. C. The thermoplastic polyolefin contains a component of polar, aromatic or cyclic monomers, which improve the compatibility of the components in the mixture. The form masses from this mixture, which may include filler material, have excellent tear resistance properties.