Abstract: The present disclosure is directed to a coating composition for producing coatings sag-free at high coating thicknesses, being quick dry and having good appearance. This disclosure is further directed to a coating composition comprising a crosslinking activator comprising: a) one or more alkylated melamines that are essentially unreactive to a polyisocyanate, and b) a polyurea sag control agent formed by reacting an amine and an isocyanate in the presence of the alkylated melamines. The coating composition can be used to form coating layers having a sag-free wet coating thickness in a range of from 10 to 36 mil (about 0.25 to 0.91 mm). The coating composition can be particularly suitable for vehicle coatings.

Abstract: A covering material for electric wire, and an insulated electric wire and a wiring harness including the same, wherein the wire including the covering material has a reduced diameter, is inserted into a connector. The covering material containing a polyvinyl chloride having, with respect to 100 parts by mass of the polyvinyl chloride, 10 to 20 parts by mass of a plasticizer, 1 to 6 parts by mass of a chlorinated polyethylene, and 1 to 6 parts by mass of an MBS resin, and a total amount of the chlorinated polyethylene and the MBS resin is 2 to 7 parts by mass. The wire has an external diameter of smaller than 1.1 mm, and has a conductor 1 and an insulator 2 that covers the conductor 1. The insulator 2 is made of the covering material, and has a thickness of 0.25 mm or smaller.

Abstract: The present invention relates to a polymer composition comprising at least one polyamide and at least one urea compound of the formula I where x is 1, 2 or 3; R1 and R2 are selected from hydrogen, linear C1-C7-alkyl, branched C3-C10-alkyl, unsubstituted or substituted C3-C12-cycloalkyl, unsubstituted or substituted C3-C12-cycloalkyl-C1-C4-alkyl, unsubstituted or substituted aryl and unsubstituted or substituted aryl-C1-C4-alkyl; and Z is selected from C3-C10-alkanediyl, unsubstituted or substituted arylene, unsubstituted or substituted aryl unsubstituted or substituted ene-C1-C4-alkylene-arylene, unsubstituted or substituted heteroarylene, unsubstituted or substituted heteroarylene-C1-C4-alkylene-heteroarylene, unsubstituted or substituted C5-C8-cycloalkylene, C5-C8-cycloalkylene-C1-C4-alkylene-C5-C8-cycloalkylene, unsubstituted or substituted heterocycloalkylene and heterocycloalkylene-C1-C4-alkylene-heterocycloalkylene.

Abstract: A moisture-curable polyurethane formulation is provided capable of curing to form a reaction product, having high green strength and being dispensable from a caulking gun. The polyurethane formulation comprises at least one isocyanate-terminated prepolymer, at least one rheology modifier or filler, optionally monomeric/polymeric isocyanate, and at least one urea-based thixotropic additive added to the formulation or formed in situ, to provide greater than 1% of urea groups in the reaction product. A method for making a moisture-curable polyurethane formulation capable of curing to form a reaction product and methods of bonding materials together using the formulation are also provided.

Abstract: Disclosed is an organic piezoelectric material which has excellent piezoelectric characteristics and excellent handling properties. Also disclosed are an ultrasound transducer using the organic piezoelectric material, an ultrasound probe, and an ultrasound medical diagnostic imaging system. Specifically disclosed is an organic piezoelectric material which contains a base material that is formed from a resin, and a specific compound (1) that has at least one linking group selected from among specific linking groups. The organic piezoelectric material is characterized in that the relation shown below is satisfied when the CLogP values of the specific compound (1) and the base material are respectively represented by CLogP(1) and CLogP(base material). Relation: |CLogP(1)?CLogP(base material)|?3.0.

Abstract: The thermosetting, non-polymeric coating composition includes at least one monomeric material having a plurality of carbamate and/or urea groups, at least one crosslinker reactive with the at least one monomeric material, and a sag control agent that is a crystalline reaction product of an amine and an isocyanate.

Abstract: A method for preparing a polymeric composition, the method comprising providing a polymer cement including a polymer and a solvent; introducing a cold-flow inhibitor with the polymer cement, where the cold-flow inhibitor is selected from the group consisting of vicinal diamides, vicinal diureas and vicinal amide-ureas; and isolating at least a portion of the polymer and the cold-flow inhibitor from the solvent to provide a polymeric composition including the polymer and the cold-flow inhibitor.

Abstract: The present invention relates to the use of at least one urea compound of the formula I where x is 1, 2 or 3; R1 and R2 are selected from hydrogen, linear C1-C7-alkyl, branched C3-C10-alkyl, unsubstituted or substituted C3-C12-cycloalkyl, unsubstituted or substituted C3-C12-cycloalkyl-C1-C4-alkyl, unsubstituted or substituted aryl and unsubstituted or substituted aryl-C1-C4-alkyl; and Z is selected from C3-C10-alkanediyl, unsubstituted or substituted arylene, unsubstituted or substituted arylene-C1-C4-alkylene-arylene, unsubstituted or substituted heteroarylene, unsubstituted or substituted heteroarylene-C1-C4-alkylene-heteroarylene, unsubstituted or substituted C5-C8-cycloalkylene, unsubstituted or substituted C5-C8-cycloalkylene-C1-C4-alkylene-C5-C8-cycloalkylene, unsubstituted or substituted heterocycloalkylene and unsubstituted or substituted heterocycloalkylene-C1-C4-alkylene-heterocycloalkylene for improving at least one solid state property of a polyamide resin.

Abstract: The present invention relates to a polymer composition comprising at least one polyamide and at least one urea compound of the formula I where x is 1, 2 or 3; R1 and R2 are selected from hydrogen, linear C1-C7-alkyl, branched C3-C10-alkyl, unsubstituted or substituted C3-C12-cycloalkyl, unsubstituted or substituted C3-C12-cycloalkyl-C1-C4-alkyl, unsubstituted or substituted aryl and unsubstituted or substituted aryl-C1-C4-alkyl; and Z is selected from C3-C10-alkanediyl, unsubstituted or substituted arylene, unsubstituted or substituted aryl unsubstituted or substituted ene-C1-C4-alkylene-arylene, unsubstituted or substituted heteroarylene, unsubstituted or substituted heteroarylene-C1-C4-alkylene-heteroarylene, unsubstituted or substituted C5-C8-cycloalkylene, C5-C8-cycloalkylene-C1-C4-alkylene-C5-C8-cycloalkylene, unsubstituted or substituted heterocycloalkylene and heterocycloalkylene-C1-C4-alkylene-heterocycloalkylene.

Abstract: Heavy metal-free compostable polymers, composites and articles anaerobically biodegrade in landfills in a relatively short time. Heavy metal-free composite polymeric articles and sheets such as indoor or outdoor signs, billboards, banners, images, protective barriers, backdrops and wall coverings have very useful service durations and yet are landfill biodegradable.

Abstract: The present disclosure is directed to a high film build coating composition that is capable of producing coatings being sag-free at high coating thicknesses and good appearance. This disclosure is further directed to a coating composition comprising components derived from renewable resources.

Abstract: A thixotropic agent comprising a first polyurea reaction product of a first polyisocyanate with a first amine and a second polyurea reaction product of a second polyisocyanate with a second amine different from the first polyurea reaction product precipitated in the presence of the colloidal particles of the first reaction product.

Abstract: A method for preparing a polymeric composition, the method comprising providing a polymer cement including a polymer and a solvent; introducing a cold-flow inhibitor with the polymer cement, where the cold-flow inhibitor is selected from the group consisting of vicinal diamides, vicinal diureas and vicinal amide-ureas; and isolating at least a portion of the polymer and the cold-flow inhibitor from the solvent to provide a polymeric composition including the polymer and the cold-flow inhibitor.

Abstract: The present disclosure is directed to a high film build coating composition that is capable of producing coatings being sag-free at high coating thicknesses and good appearance. This disclosure is further directed to a coating composition comprising components derived from renewable resources.

Abstract: The invention relates to the use as sagging controlling agent (SCA) in coating compositions of rheology control agents obtainable by reacting one or more polyisocyanates with one or more optically active amines or by reacting one or more polyamines with one or more optically active isocyanates. The invention also relates to rheology control agents obtainable as described above using specific polyisocyanates or polyamines. In addition the invention relates to the use of these rheology control agents in various applications.

Abstract: A urea-urethane compound having one or more urea groups and one or more urethane groups in the molecular structure, the number of said urea groups (A) and the number of said urethane groups (B) satisfying the following numerical formula: 10?(A+B)?3 wherein each of A and B is an integer of 1 or more.

Abstract: Aqueous dispersions comprising (A) at least one polyurethane, (B) at least one compound of the general formula I a or I b in which R1, R2 and R3 may be identical or different and are selected from A1-NCO and A1-NH—CO—X, in which A1 is a spacer having 2 to 20 carbon atoms and X is selected from O(AO)xR4, AO is C2-C4-alkylene oxide, x is an integer in the range from 1 to 50 and R4 is selected from hydrogen and C1-C30-alkyl, (C) and at least one silicone compound having reactive groups.

Abstract: The invention relates to a thermoset plastic material, comprising a three-dimensional matrix containing sulphur atoms and at least one anti-plasticizing additive which is unreactive toward said matrix.

Abstract: Disclosed herein are p-urea phenyl derivatives of the formula: wherein R1 and R2 are independently selected hydrocarbyl groups. These derivatives are useful as haze reducing agents in propylene polymers and copolymers.

Abstract: The invention relates to the use as a sag control agent (SCA) in coating compositions of a rheology modification agent obtainable by reacting one or more polyisocyanates with one or more derivatives of optically active amino acids.

Abstract: Disclosed herein are urea phenyl derivatives of the formula: wherein each R is an independently selected hydrocarbyl group and n is 2 or 3, and their use as nucleating agents for propylene polymers.

Abstract: Use of a hindered amine light stabiliser as an additive in a thermoplastic moulding composition comprising polyethylene terephthalate and an acetaldehyde scavenger for reducing the degree of discolouration and/or degree of light transmission of a moulded article formed from the composition.

Abstract: The invention provides heat-curable thixotropic mixtures containing carbamate and/or allophanate groups, including at least one oligomer and/or polymer containing at least one of carbamate and allophanate groups, and at least one thixotropic agent that is a urea derivative preparable by reacting at least one amine and/or water with at least one isocyanate in the presence of at least one amino resin. The invention further provides processes for preparing the mixtures and coating materials, adhesives and sealing compounds prepared from the mixtures.

Abstract: The present invention refers to a mixing scheme containing a plurality of pigmented base paint compositions having defined colors and optionally one or more non-pigmented base paint compositions comprising at least one rheology controlled base paint composition containing at least one pigment selected from the group consisting of inorganic pigments, di-keto-pyrrolo-pyrrole type pigments, organic liquid crystal type pigments and carbon black and having the following rheology profile (1) an initial viscosity V1 at 20° C. of 65 Pa s or greater when measured at a shear rate of 10?3 s?1, (2) a viscosity V2 at 20° C. when measured at a shear rate of 10?3 s?1 immediately after subjecting to a shear rate of at least 15 s?1 whereby the viscosity V2 is 700 Pa s or less and is less than or equal to 70% of V1; (3) 24 hours after subjected by shaking to a shear rate of at least 15s?1 a viscosity V3 at 20° C.

Abstract: Mixtures curable thermally and with actinic radiation and containing carbamate and/or allophanate groups, comprising (A) at least one of (A1) low molecular mass compounds, oligomers and polymers containing allophanate groups, carbamate groups, and carbamate and allophanate groups, and (A2) low molecular mass compounds, oligomers and polymers containing allophanate groups, carbamate groups, and carbamate and allophanate groups, and additionally allophanate- and/or carbamate-reactive functional groups, ?which are substantially or entirely free from reactive functional groups which contain at least one bond which can be activated with actinic radiation, and (C) at least one constituent containing on average per molecule at least one reactive functional group having at least one bond which can be activated with actinic radiation; with the proviso that if only (A1) is used, the mixtures further comprise (B) at least one of low molecular mass compounds, oligomers and polymers containing allophanate- and/or c

Abstract: A high performance thermoplastic polymer composition having improved melt flow properties, comprising a thermoplastic polymer resin and a low intrinsic viscosity poly(arylene ether). Preferred thermoplastic polymers are poly(imide) polymers.

Abstract: A water and oil repellent composition comprising a compound of the following formula (1) and a thermoplastic polymer, as essential components: where the symbols in the formula (1) have the following meanings: Rf: a C1-20 polyfluoroalkyl group, X: (CH2)m, wherein m is an integer of from 1 to 10, A, A1, A2: each independently, O, S or N(Z3), wherein Z3 is a hydrogen atom or an alkyl group, Z1: an octadecyl group, Z2: an alkyl group, or an alkyl group having at least one hydrogen atom substituted, W: a trivalent organic group, and a, b: each independently, 1 or 2, provided that a+b is 2 or 3.

Abstract: A thixotropic amino formaldehyde resin with a urea-functional compound, obtainable by adding a polyisocyanate-functional compound to a monoamine-functional compound or a monoisocyanate-functional compound to a polyamine-functional compound in the presence of the amino formaldehyde resin and reacting the amine and isocyanate-functional compounds to form the urea-functional compound entangled to the resin. The thixotropic amino formaldehyde resin can be used in the formulation of coating or adhesive compositions.

Abstract: A flame resistant polymer composition comprising: (A) 100 parts by weight of a mixture which comprises 1-99 wt % of (a-1) an olefin polymer and 1-99 wt % of (a-2) a hydrogenated conjugated diene polymer in which 80% or more of double bonds of the conjugated diene are saturated or (a-3) a random copolymer of ethylene and &agr;-olefin having 3-10 carbon atoms, or both (a-2) and (a-3); and (B) 5 parts by weight or more of an inorganic flame retardant. The composition has excellent flame resistance, is free from production of toxic gas and environmental pollutant substances, and exhibits superior well-balanced characteristics such as molding processability, tensile strength, pliability (anti-whitening on bending), flexing resistance, and flexibility. The composition is useful as an electric wire coating material for interconnect wiring in equipment or harnesses for vehicles, and as industrial materials for insulating tapes.

Abstract: A water and oil repellent composition comprising a compound of the following formula (1) and a thermoplastic polymer, as essential components: 1

Abstract: Disclosed is a resin composition containing the following components (A), and (B) or optionally, (C), (D), and (E): (A) an atactic polystyrene or a mixture of an atactic polystyrene and a rubber-like elastic substance: 30 to 95 parts by weight; (B) a syndiotactic polystyrene having a melting point of not higher than 255° C.: 70 to 5 parts by weight; (C) a polyphenylene ether having an intrinsic viscosity of 0.5 deciliter/g or less as measured in chloroform at 25° C.; (D) an inorganic filler; and (E) a polymer having compatibility or affinity with components (A) and (B) and having a polar group. The styrene resin composition exhibits improved solvent resistance and remarkable impact resistance. The composition of the invention is produced by kneading the components within a resin temperature range between the melting point of component (B) and 270° C.

Abstract: The invention relates to compositions for defoaming aqueous media, comprising as defoamers urea derivatives of the formula I where R1 is a hydrocarbon radical, preferably having 4 to 30 carbon atoms or a hydrocarbon radical, preferably having 4 to 24 carbon atoms and one nitrogen atom or a hydrocarbon radical, preferably having 4 to 30 carbon atoms and one carbonyl group, R2 is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R3 is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R4 is an organic radical, preferably having 2 to 30 carbon atoms, and n is from 0 to 5; in the form of solid particles, which are obtained by crystallization from a clear homogeneous melt dispersed in a carrier medium, and a process of preparation thereof.

Abstract: A thixotropic amino formaldehyde resin with a urea-functional compound, obtainable by adding a polyisocyanate-functional compound to a monoamine-functional compound or a monoisocyanate-functional compound to a polyamine-functional compound in the presence of the amino formaldehyde resin and reacting the amine and isocyanate-functional compounds to form the urea-functional compound entangled to the resin. The thixotropic amino formaldehyde resin can be used in the formulation of coating or adhesive compositions.

Abstract: The invention relates to nonaqueous coatings containing a polyacrylate resin and a urea group-containing thixotropic agent and having improved surface properties. The polyacrylate resin is prepared by polymerizing (a) from 16 to 51% by weight of a hydroxyl group-containing ester of acrylic acid or methacrylic acid or of a mixture of such monomers; (b)from 32 to 84% by weight of an aliphatic or cycloaliphatic ester of acrylic acid or methacrylic acid which is different from (a) and has at least 4 carbon atoms in the alcohol radical or of a mixture of such monomers; (c) from 0 to 2% by weight of an ethylenically unsaturated carboxylic acid or of a mixture of ethylenically unsaturated carboxylic acids, and (d)from 0 to 30% by weight of an ethylenically unsaturated monomer which is different from (a), (b) and (c) or of a mixture of such monomers.

Abstract: A photochromic phase change ink composition that contains (A) at least one selected polymeric and photochromic yellow phase change colorant and (B) a phase change ink carrier composition comprising (1) a resin selected from the group consisting of a urethane resin, a mixed urethane/urea resin and mixtures thereof; and (2) a mono-amide.

Abstract: Spandex containing certain anti-tack additives and having good dry-spinning continuity, and the process for making such spandex are provided.

Abstract: Non-crystallizing N,N′-disubstituted N-(2-hydroxyalkyl)-ureas are used as hydrolysis protection agents in plastics containing ester groups. These disubstituted hydroxy-alkylureas impart excellent protection from hydrolysis to plastics containing ester groups and can be added directly to the plastics to be stabilized without the addition of special solvents.

Abstract: Disclosed are compositions comprised of (a)a polymer containing pendant and/or functional groups selected from the group consisting of carbamate, urethane and/or amide functional groups; and (b) a rheology modifier comprising the reaction product of an amine and an isocyanate; and, optionally, a polymer which is different from the polymer (a) which contains carbamate, urethane and/or amide functional groups. Also disclosed are curable compositions comprised of the compositions described above which further comprise (c) a curing agent having functional groups reactive with the functional groups of the polymer (a). The curable compositions are useful for a variety of applications such as adhesives, sealants and surface coatings where the presence of a carbamate, urethane and/or amide functional polymer in conjunction with the rheology modifier provides improved thixotropy and superior sag resistance.

Abstract: A medical electrical lead and a reinforced silicone elastomer used therein. The silicone elastomer used therein is preferably made from a novel silica reinforced polysiloxane material, which after vulcanization by cross-linking exhibits improved mechanical properties. The medical electrical lead features a an electrode at a distal end thereof, a connector at a proximal end thereof and an elongated electrical conductor extending between the electrode and the connector, the conductor in electrical contact with the electrode at a distal end and in electrical contact with the connector at a proximal end, the conductor comprised of a plurality of wires or wire bundles wound in a multifilar coil configuration.

Abstract: A photochromic phase change ink composition that contains (A) at least one selected polymeric and photochromic yellow phase change colorant and (B) a phase change ink carrier composition comprising (1) a resin selected from the group consisting of a urethane resin, a mixed urethane/urea resin and mixtures thereof; and (2) a mono-amide.

Abstract: Disclosed is a polyacetal resin composition comprising 100 parts by weight of polyacetal resin having a melting temperature of from 150 to 161.degree. C.; 0.01 to 5.0 parts by weight of at least one bisamide compound of formula (1) ##STR1## and 0.0001 to 5.0 parts by weight of at least monoamide compound of formula (2) ##STR2## in which formulae (1) and (2) each of R.sup.1, R.sup.3 and R.sup.6 independently is an alkyl or an alkenyl, and R.sup.2 and R.sup.7 independently is an alkylene, an alkenylene, or --R.sup.4 --Ph--R.sup.5 -- (each of R.sup.4 and R.sup.5 independently is a single bond or a methylene, and Ph is a phenylene). The resin composition of the present invention has excellent mechanical strength retentivity during cooling-heating cycles. For example, not only occurrence of whitening, crazing or cracking but also lowering in impact resistance can be suppressed even after the resin composition experiences repeated cooling-heating cycles.

Abstract: An object of the present invention is to provide an ink, and ink jet recording method and apparatus using the ink which has excellent dispersion stability, discharge stability and recovery properties, and which can be kept in the weak alkali region even if it contains carbon black with low pH, which is generally considered to be difficult to handle and which can obtain a high-density image. The ink contains acid carbon black having a volatile content within the range 3.5 to 8% by weight, and a water-soluble resin having a weight average molecular weight within the range of 3,000 to 30,000, both of which are dissolved in an aqueous liquid medium, and a compound represented by the following formula (I), wherein the ratio by weight between the acid carbon black and the water-soluble resin is within the range of 3:1 to 10:1.R.sub.1 R.sub.2 NCONHCH.sub.2 CH.sub.2 OH (I)wherein R.sub.1 and R.sub.2 each is hydrogen or C.sub.n H.sub.2n OH, n is 2 or 3, with the proviso that R.sub.1 and R.sub.

Abstract: A corrosion-resistant polyurethane coating for application directly to a face as a self-priming topcoat comprising major amount of a polyurethane binder and minor amount of a combination of pigments consisting essentially of an aluminum phosphate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 30 parts by weight of a titanium dioxide pigment, up to about 2.0 parts by weight of an oil soluble surface active agent and up to about parts by weight of at least one organic solvent.

Abstract: Waterborne coating compositions comprising polymeric film-forming resins and about 0.1 to 5 percent by weight based on weight of resin solids of an oligomer containing from about two to four urethane, urea, or amide moieties per molecule and two or more moieties selected from the group consisting of hydroxyl and tertiary amine. The oligomer improves the smoothness of the resulting coating.

Abstract: An improved rubber stock with a unique carbon black system including mismatched pairs of furnace blacks with fumed silica and a silane coupler has been developed. The carbon black system includes a mixture of large and small particles with high and low structure carbon black pairs. The carbon black system compounded with polar and nonpolar rubber provides products with a range of desirable characteristics using only two carbon blacks.

Abstract: Extended polymer compositions are provided which comprise polymers containing pendant functional groups of the formula: ##STR1## extended, i.e. admixed with a chalcogenide having the empirical formula ##STR2## wherein R.sub.1 is a divalent organic radical at least 3 atoms in length, X is organoacyl or cyano, A is a chalcogen, each of R.sub.9 and R.sub.10 is independently selected from hydrogen, NR.sub.11 R.sub.12, NR.sub.13 and monovalent organic radicals, at least one of R.sub.9 and R.sub.10 being NR.sub.11 R.sub.12 or NR.sub.13, each of R.sub.11 and R.sub.12 is independently selected from hydrogen and monovalent organic radicals, and R.sub.13 is a divalent organic radical. These compositions can be extended with significant proportions of the described chalcogenides with corresponding reductions in polymer concentration without significant loss of physical properties. The resulting combinations are particularly useful as binders and coatings.

Abstract: The present flame retardant compositions of polypropylene resin contains polypropylene as a principal constituent and the following constituents making a total of 100 wt %: (A) silane coupling agent and/or (D) olefinic synthetic rubber, (B) ammonium polyphosphate or melamine-modified ammonium polyphosphate, and (C) one or more nitrogen organic compounds which are producible nonflammable gas products and carbonaceous residues by the pyrolysis of the mixture.Further, the other compositions of polypropylene resin contains (E) polyethylene resin along with the above constituents making a total of 100 wt %.Moreover, the other compositions contains (E) polyethylene resin, and (F) crosslinking agent and (G) thiophosphite along with above constituents making a total of 100 wt. %.

Abstract: This invention relates to polyamide moulding compounds with improved processibility; to a process for their preparation, to their use for the production of moulded parts, sheet products, fibres and composite materials and to the moulded parts, sheet products, fibres, semi-finished products, composite materials and other articles produced from these moulding compounds. The invention is characterized by the use of small quantities of special amides and/or ureas which impart significantly improved flowability to the moulding compounds.

Abstract: A thickened, uncrosslinked molding composition which has a long shelf life and can be cured above 50.degree. C. comprises a liquid reactive system, a thickener, a polymerization initiator and conventional additives. The thickener is a combination of a primary aromatic amine and an isocyanate. The molding compositions, which are, in particular, SMCs or BMCs, can be processed into moldings by compression molding, injection molding or transfer molding and subsequent curing.

Abstract: O-Alkenyl substituted hydroxylamines of formula I ##STR1## where R.sub.1 and R.sub.2 are independently hydrogen, alkyl, alkenyl, aryl or phenylalkyl, and R.sub.3 to R.sub.7 are independently hydrogen, alkyl or substituted alkyl are very effective process stabilizers for polymeric systems providing melt flow stabilization and resistance to discoloration during processing at elevated temperatures as well as effective stabilizers for lubricant compositions.