Abstract: An asphalt composition comprising 0.1 to 10.0 wt.-% monomeric methylene diphenyl diisocyanate (MDI) based on the total weight of the composition, wherein the monomeric MDI is carbodiimide modified and wherein the weight percentage of 4,4?-MDI in the carbodiimide modified monomeric MDI is in the range of from 65 to 85% and the weight percentage of carbodiimide is in the range of from 15 to 35% in the carbodiimide modified monomeric MDI; wherein at least 18% by weight based on the total weight of the composition are particles with a sedimentation coefficient above 5000 Sved in a white spirit solvent.

Abstract: Use of a non-ionic surfactant in the preparation of modified sulfur and/or modified sulfur cement that may or may not be modified sulfur concrete.

Abstract: The present invention relates to a process for repairing top layers for roads, tracks, and other areas used by traffic, by applying an amount of at least 20 g/m2 of a polymeric material to the damaged site, applying an amount of at least 80 g/m2 of a first polyurethane reaction mixture (which can comprise additives) to the polymeric material, and applying, to the first polyurethane reaction mixture, a mixture comprising mineral aggregate and a second polyurethane reaction mixture, and allowing the material to harden. The present invention further relates to a repair kit for repairing top layers for roads, tracks, and other areas used by traffic.

Abstract: The Arabian asphaltene reinforced polystyrene composites include a matrix of polystyrene and an asphaltene filler isolated from Arab heavy crude oil residue that is distributed within the polystyrene matrix to form the Arabian asphaltene reinforced polystyrene composite. Asphaltenes are obtained from the Arab crude oil by precipitation in n-heptane. Styrene monomer and the asphaltenes filler are polymerized by using heat to initiate in situ polymerization. Testing shows that the asphaltene reinforced polystyrene composites have improved viscoelastic properties (e.g., flexural strength) and thermal stability.

Abstract: Provided is a polymerizable composition for providing a thin image-display device that does not exhibit display problems due to deformation of an image-display unit, allows high-brightness, high-contrast image display, and tolerates heat well. A polymerizable composition for forming a polymer layer interposed between an image-display unit in an image-display device and a light-transmitting protective part. Said polymerizable composition is characterized by containing the following: (1) a (meth)acryloyl group-containing compound that has a structural unit derived from a (poly)ester polyol and/or a structural unit derived from a (poly)carbonate polyol; (2) a (meth)acryloyl group-containing compound that has a C9+ hydrocarbon group; and (3) a photopolymerization initiator.

Abstract: The present invention has for its object a prefabricated sealing membrane formed by a support, coated on at least one surface, and preferably impregnated throughout, with a modified bitumen base composition, characterized in that the thermoplastic bituminous composition for coating and/or impregnation is a bituminous binder modified by a thermoplastic polyurethane having the following weight proportion: 40 to 90% bitumen, 10 to 50% thermoplastic polyurethane, 0 to 10% aromatic oil, 0 to 50% filler, 0 to 0.5% catalyst.

Abstract: A hydraulic barrier composition can include granules of a water-swellable clay and a water-soluble polymer. Upon contact with a leachate at least portion of the polymer is solvated by the leachate and becomes entrapped in at least one of clay pores, at clay platelet edges, and between adjacent platelets.

Abstract: An adhesive composition for use in adhering insulation panels to roofing substrates and roofing membranes to the insulation panels include two components that are mixed prior to application on the roofing substrate. The first component may include a renewable polyol and catalyst. The renewable polyol is selected from any non-petroleum based polyol that is derived from a renewable source. The second component includes isocyanate, and may also include a polyol and a catalyst. The isocyanate and the polyol may each be any non-petroleum based isocyanate or polyol that is derived from a renewable source.

Abstract: A polyurethane hot melt adhesive composition comprising an isocyanate, one or more polyols, one or more bituminous materials and optionally one or more thermoplastic materials. Another embodiment is directed to a method for bonding materials together which comprises applying the reactive hot melt adhesive composition in a liquid form to a first substrate, bringing a second substrate in contact with the composition applied to the first substrate, and subjecting the applied composition to conditions which will allow the composition to cool and cure to an irreversible solid form, said conditions comprising moisture. Still another aspect is directed to an article of manufacture comprising the adhesive.

Abstract: The present invention has for its object a prefabricated sealing membrane formed by a support, coated on at least one surface, and preferably impregnated throughout, with a modified bitumen base composition, characterized in that the thermoplastic bituminous composition for coating and/or impregnation is a bituminous binder modified by a thermoplastic polyurethane having the following weight proportion: 40 to 90% bitumen, 10 to 50% thermoplastic polyurethane, 0 to 10% aromatic oil, 0 to 50% filler, 0 to 0.5% catalyst.

Abstract: The present invention relates to compositions and methods for providing an improved means of modifying asphalt with a polymer. More particularly, this invention provides a solvent system that permits addition of the polymer as a liquid that is preferred over solids addition and handling. The solvent system includes a polymerizable monomer solvent and a rubber or elastomeric polymer.

Abstract: A composition and a method for protection of constructions and structures from chemical action and destructive environmental effects. The main components of the composition are a polymerizing monomer, inert mineral filler, and chemical additives for improvement of chemical and physical properties. The method includes preliminary energetic activation of 5% by weight of the whole composition mass, adding the activated part of the composition to its main mass, and application of the composition to the surface of material chosen from the group including concrete, asphalt concrete, metal, and wood to obtain the required surface protection.

Abstract: The invention consists of a bitumen/resin composite emulsion for a road surface protection layer against the attacks of petroleum derivates, realised by mixing a first emulsion comprising at least one resin with a second emulsion comprising a bituminous binder and a resin crosslinking agent. A pigmentary preparation and/or a load made of a filler or sand or a fine sand or their combinations, can be incorporated to the first emulsion, the second emulsion or into the composite emulsion resulting from the mixture of both emulsions. The loaded composite emulsion enables the realisation of thin film-type surface coatings made of one or several layers.

Abstract: Elastomeric polyurethane interpenetrating network compositions are disclosed which are preferably developed by in situ reaction of polyols with different isocyanates and polyisocyanates in a bituminous material, such as, asphalt, coal tar, polymer modified asphalt, oxidized, and unoxidized asphalt. The composition is preferably formed at a temperature between 200° F. and 350° F. The reaction kinetics can be accelerated by including catalysts and curing agents. Bituminous polyurethane interpenetrating network elastomers are suitable for a wide variety of applications including but not limited to roofing, new construction, and wall and foundation waterproofing applications.

Abstract: A thermoplastic elastomer composition for calender-molding obtained by dynamically heat-treating a mixture comprising 40 to 95% by weight of (A) an oil-extended olefin copolymer rubber containing 100 parts by weight of an olefin copolymer rubber having a Mooney viscosity (ML1+4100° C.) of 120 to 350 and 20 to 150 parts by weight of mineral oil softening agent and 60 to 5% by weight of (B) a polypropylene resin, a process for producing a calendered sheet from the composition and a sheet obtained by the process.

Abstract: The invention provides a coating composition for building use, which contains a base polyamide resin coating and charcoal powder. The base polyamide resin coating contains a copolymeric nyron and a solvent therefor.

Abstract: The elastomeric polyurethane interpenetrating network compositions of the invention are developed by in situ reaction of polyols with different isocyanates and polyisocyanates in bituminous material. Suitable bituminous materials include asphalt, coal tar, polymer modified asphalt, oxidized, and unoxidized asphalt. The composition is preferably formed at a temperature between 200° F. and 350° F. The reaction kinetics can be accelerated by including catalysts and curing agents. The reaction kinetics were followed by measuring the torque increase as a function of reaction time. The gelation time is measured at the maximum torque. For testing, the bituminous polyurethane interpenetrating network elastomeric compositions were hot-sprayed-applied (200° F.-350° F.) on different substrates such as concrete, metal, wood, built-up roofing systems, polyurethane foams, and other construction materials with a specially designed spray applicator system.

Abstract: For example, a blended composition is produced first by letting a monomer composition, mainly composed of alkyl (meth)acrylate and including a compound having a plurality of polymeric groups within a molecule, contain microscopic particles, such as carbon black, having an average primary particle size in a range between 1 nm and 200 nm, and then the blended composition is polymerized. Consequently, it has become possible to produce inexpensive crosslinked elastomer having excellent physical properties, such as small creep (low creep) in compression set, tensile elongation set, etc., and excellent mechanical strength, such as tensile break strength and tensile break elongation, in a simple procedure omitting the post-crosslinking step at a high-level productivity while saving energy and time spent in the kneading step.

Abstract: The present invention relates to energy absorbing elastomers having a resilience of no more than 20.0% according to ASTM D2632-92. The energy absorbing elastomers are hydrophobic in nature and have extended gel times thus making them suitable for high volume applications such as coating a large substrate or filling a large void between two substrates.

Abstract: Functionalized elastomer/bitumen compositions with a broad plasticity range are produced by contacting a bitumen or bitumen mixture with an elastomer, a functionalizing agent and optionally a peroxide compound at 100.degree.-230.degree. C. under stirring conditions. The funtionalizing agent is a thiolcarboxylic acid having 3 or more carbon atoms, a thiolcarboxylic acid ester and specifically a disulphide having carboxylic groupings or carboxylic esters. The compositions may be used either directly or in diluted form to produce bitumous binders for making road surfacings, coated materials and sealing coatings.

Abstract: A process in which carbon is used to catalyze production of alkylene glycols from alkylene oxides and water. Using this process, carbon may be employed to selectively catalyze the hydrolysis of alkylene oxides, such as ethylene oxide, to monoalkylene gylcols, such as monoethylene glycol. Typically, activated carbon is employed. Suitable forms of activated carbon or other carbon material include powders, granulates, extruded shapes, or mixtures thereof. The process may be carried out as a continuous or batch reaction process.

Abstract: Disclosed is an asphalt composition to which a water soluble prepolymer which is resinified while the reaction proceeds gradually in the aqueous solution is added, wherein the strength of the asphalt composition is notably improved. Further, the resinification speed can freely be controlled by the action of a resinification accelerator. Accordingly, the additive for the emulsified asphalt and the asphalt composition for blending at cold temperatures can be applied effectively to various applications such as road pavement, railroad, waterproof agents, and adhesives.

Abstract: A one-part, low viscosity, moisture curable composition which exhibits excellent shelf stability in the absence of water, but which quickly cures at ambient conditions upon exposure to moisture in the air is a substantially anhydrous mixture containing an acetoacetate functional compound and a polyisocyanate functional compound. The composition can be suitably formulated for use as an ambient temperature, moisture curable adhesive, sealant or coating composition. The acetoacetate functional compounds have a relatively low viscosity as compared with conventional isocyanate functional compounds and thereby reduce or eliminate the need for plasticizers, organic solvents, or both. The cure chemistry of the composition simultaneously consumes and generates moisture at approximately the same rate thereby facilitating rapid cure under even low humidity conditions, and allows for efficient and facile curing of even thick layers of the composition.

Abstract: Polyurethane/urea elastomers having an isocyanate equivalent index below 100, preferably from about 15 to about 80; containing an effective amount of polyisocyanate component, and an effective amount of an isocyanate reactive component comprising at least one polyamine and at least one polyol, wherein said elastomer contains from about 1 to about 199 equivalent percent amine per isocyanate equivalent.

Abstract: Fire retardant plastic construction materials containing a fire retarding quantity of the oxidation product of certain asphalts.

Abstract: The invention relates to a reinforcing material suitable for repairing cavities in the ground surrounding an underdrain through which sewers are laid down, and provides a bituminous reinforcing material for grouting excellent in workability and durability. The two-liquid bituminous reinforcing material comprises a liquid A that is obtained by mixing together an asphalt emulsion, a hydraulic inorganic material, a reactive type of water-soluble resin, and water, and a liquid B that is obtained by mixing together an asphalt emulsion, a hydraulic inorganic material, a polymerization catalyst, and water.

Abstract: This invention relates to a composition and method for improving the storage stability of an asphalt that contains a higher molecular weight polymer having a number average molecular weight of at least about 10,000 which comprises adding a storage stable improving amount of a polymerized alpha-olefin prepared from an alpha-olefin of the formula ##STR1## where R is C.sub.6 to C.sub.50 alkyl, R.sup.1 is hydrogen or C.sub.6 to C.sub.50 alkyl, wherein the polymerized alpha-olefin has a number average molecular weight of from about 500 to 5,000 and is characterized in that it has a congealing and melting point which is essentially no higher than the congealing and melting point of the alpha-olefin from which it is prepared.

Abstract: A process is provided for preparing in aqueous emulsion, a bitumen/polymer binder with a continuous three-dimensional polymeric structure. The process comprises:a) forming a reaction mixture in an emulsion formation zone by feeding to the zone(i) a bitumen-polymer component comprised of a bitumen containing 0.5% to 15%, by weight of the bitumen, of a sulphur-crosslinkable elastomeric polymer, the bitumen/polymer component being in the form of a melt viscosity of not more than 2 Pa.s at the melt temperature,(ii) an aqueous phase containing an effective quantity of an emulsifying system, and(iii) a crosslinking system donating sulphur in a quantity such as to provide 0.

Abstract: A moisture-curable, substantially solvent-free and anhydrous blend of a bituminous material such as asphalt and a liquid prepolymer is disclosed, which blend when cured, results in an elastomer having excellent adhesion to surfaces exposed outdoors. The stability of the blend derives from asphalt being microdispersed in a dispersed phase within a continuous phase of the liquid prepolymer so that particles of asphalt are in the size range from 0.5 .mu.m to 100 .mu.m. The asphalt is treated to react all functional groups it may have because they may react with a functional group of the liquid prepolymer. The prepolymer is a polyurethane, a terpolymer of ethylene-propylene-diene, or a silicone. The microdispersion is stably maintained by a compatibilizer having opposed substantially polar and non-polar terminal portions, present in an amount in the range from 0.01 to 5 parts per 100 parts of the blend. The compatibilizer is chosen from (A) an ester of a C.sub.2 -C.sub.

Abstract: Stirrable reactive polyurethane adhesive compositions are packaged in a single container by separating the reactive components with a disperable barrier layer so as to delay reaction until the entire adhesive composition is stirred together.

Abstract: The present invention relates to a process for the preparation of highly flexible polyurethane plastics which are resistant to chemicals by reactinga) a polyisocyanate component withb) a polyol component based on a liquid polybutadiene resin containing terminal hydroxyl groups and having a molecular weight of about 500 to 10,000 andc) about 10 to 50% by weight of water, based on the weight of component b), in the presence ofd) about 20 to 500% by weight, based on the weight of component b), of an alkaline earth metal hydroxide or oxide.The present invention also relates to the highly flexible polyurethane plastics, especially coatings, produced by this process.

Abstract: Non-agglomerating elastomeric organopolysiloxane particulates having a mean particle size ranging from 50 .mu.m to 3 mm, uniformly coated with silica powder on the face surfaces thereof and well adapted as a soft filler material for natural or synthetic polymers or as a controlled release dosage form, are produced by (a) forming an oil-in-water emulsion of .alpha.,.omega.-dihydroxydiorganopolysiloxane oils, silica powder, a platinum curing catalyst and, optionally, an active principle such as a medicament or an agrochemical, and then (b) breaking and polycondensation crosslinking such emulsion into the desired particles by heating it to a temperature ranging from 40.degree. to 100.degree. C.

Abstract: Disclosed is a construction material containing bitumen comprising (A) a polyol component, the polyol component consisting essentially of (a-1) a hydroxy-polyoxyalkylene ether of bisphenol A and/or bisphenol F, and (a-2) an aliphatic polyol, (B) a polyisocyanate component, (C) a bitumen, and/or (D) an aggregate. The construction material has improved water-proof and mechanical properties.

Abstract: The present invention relates to a compatibalizing agent useful in compatibalizing a substantially non-polar compound, such as asphalt, with a substantially polar organic compound, such as an isocyanate prepolymer. The compatibalizing agent consisting of a polymer unit, or of two such units being either identical or different linked together by an ester, carbon or ether bond, said unit having the following formula:CH.sub.3 --(C.sub.n H.sub.2n)--R.sub.1wherein:n is 4 or more, andR.sub.1 is COOH, COO.sup.- M.sup.+, COOR.sub.2 or R.sub.2,wherein:M is a metal, andR.sub.2 is a substantially saturated organic chain having a backbone substantially comprising carbon-carbon, carbon-oxygen, or carbon-nitrogen linkages, or combinations thereof, wherein the backbone's pendent constituents are either --H or --OH and wherein at least one pendent constitutent is --OH.

Abstract: The invention is directed to the formation of filler containing anionically modified polyurethane (urea) compositions by reacting suitable polyurethane (urea) forming ingredients in the presence of from 5 to 97% by weight of fillers selected from the group consisting of(i) finely divided or lumpy foam particles,(ii) fossile lignocelluloses,(iii) carbon powder, and(iv) mixtures thereof,said filler-containing polyurethane (urea) having a water absorbability of from 33 to 97% by weight, and having an anionic group content of from 10 to 3000 milliequivalents of anionic groups and/or groups capable of anionic group formation per 1000 grams of said polyurethane (urea) components.

Abstract: Polyol mixtures having about 10 to 60 weight percent of a ricinoleate compound and 90 to 40 weight percent of a C.sub.2 -C.sub.6 hydrocarbon polymer having at least one hydroxyl group. Polyurethane compositions comprising the reaction product of this polyol mixture with an organic isocyanate compound. These compositions may optionally include certain extender compounds. Also, a method for lowering the viscosity of C.sub.2 -C.sub.6 hydrocarbon polymer having at least one hydroxyl group by adding a ricinoleate compound thereto.

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: The invention relates to a process for the production of polyurethane(urea) compositions which contain lignite and/or peat bound in an abrasion-proof manner, which are preferably modified cationically and which have a very high water absorbability. The compositions are produced by reacting isocyanate-terminated prepolymers, which are preferably cationically modified, and which preferably have a functionality of more than 2.1, with more than the stoichiometric quantity of water in the presence of lignite and/or peat and optionally in the presence of organic and/or inorganic fillers and biomasses (living cells, living bacteria or enzymes). The corresponding polyurethane(urea) compositions contain up to 95% by weight of lignite and/or peat in the filler-containing polyurethane(urea) composition and are already swollen from production. The water absorbability (WAF) value thereof when suspended in water is from 33 to 97% by weight of water.

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: A joint sealing compound comprises the reaction product of a non-blown asphalt flux, a hydroxyl-terminated polymer of butadiene, a vinyl monomer, a butadiene-styrene linear block polymer and an extender oil.

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: 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: A curable, storage-stable and solventless single component sealant for pneumatic tires having as its essential sealant functioning components a liquid low molecular weight hydroxy terminated polybutadiene diol, an antioxidant, a polymeric isocyanate, and, a polyurethane catalyst; this sealant can be blended with a sealant optimizing amount of a masterbatch.

Abstract: The incorporation of minor amounts of mineral rubber (blown asphalt) in compositions comprising blends of both chlorobutyl and bromobutyl rubbers results in high adhesion to natural rubber or natural rubber/polybutadiene rubber substrates.

Abstract: A polymer concrete comprising by weight about 40-70% coarse aggregate, about 20-55% of a fine aggregate such as sand, about 2-15% silica flour and about 8% to 12% furfuryl alcohol polymerized in situ with an acid catalyst produces a highly cross-linked concrete which contains no cement and is mixed with water. The furfuryl polymer concrete provides the broadest range of chemical resistance of all existing polymer concretes. The coarse and fine aggregate have a pH less than 7.0 and are provided with a specific size gradation.

Abstract: A novel slow-curing water-curable urethane prepolymer composition obtained by reacting (A) a hydrophilic urethane prepolymer which is a reaction product of a polyisocyanate and a hydrophilic polyol prepolymer and has at least two --NCO groups and (B) a blocking agent selected from a class consisting of heterocyclic compounds having an ##STR1## structure in the molecule thereof, hydroxypyridines and hydroxyquinolines in the proportion that the equivalent ratio of the .dbd.NH groups of the --OH groups in the blocking agent (B) to the --NCO groups in the hydrophilic urethane prepolymer (A), that is, --OH or .dbd.NH/--NCO ratio, is 0.05 to 2 is disclosed. This composition is remarkably useful as a grouting material, for forming hydrogel which is effective as a fixative or carrier of various materials, as a vehicle for coating materials, and as a stabilizer and thickener for aqueous resin emulsions.

Abstract: A method of improving high temperature fluid loss and rheology stabilization of high calcium brine clay-containing oil well drilling fluids which comprises adding thereto a stabilizing amount of a water-soluble terpolymer composition comprising:______________________________________ Ingredients % by weight ______________________________________ NaAMPS 72-3.8 N,N-dimethylacrylamide 13.5-0.7 Acrylonitrile 9.5-0.5 ______________________________________said composition containing lignin, modified lignin, brown coal or modified brown coal in an amount ranging between 5-95% with the lignin, modified lignin, brown coal or modified brown coal having been present during the polymerization of the water-soluble polymer.