Abstract: A crosslinkable powder composition is provided which is redispersible in water and comprises a) from 30 to 95 parts by weight of a water-insoluble, film-forming polymer of one or more free-radically polymerizable, ethylenically unsaturated monomers, b) from 5 to 70 parts by weight of a water-soluble polymer, where at least one of the polymer components a) and b) comprises one or more comonomer units containing reactive groups which can form a chemical, nonionic bond with one another or with crosslinkers, and the parts by weight of a) and b) add up to 100 parts by weight, and c) from 0.01 to 5% by weight, based on the total weight of a) and b), of at least one phase transfer catalyst.

Abstract: This invention describes high-strength fibers with high initial moduli from homopolymers or copolymers comprising at least 70% by weight repeating acrylonitrile and/or methacrylonitrile units, and a process especially adapted for their preparation, and their use, especially as reinforcing materials or for producing filters or friction coatings. The fibers according to the invention have a strength of more than 100 cN/tex and an initial modulus of more than 15 N/tex (based on 100% elongation).

Abstract: Calcium-iron oxide composite particles of the present invention have a BET specific surface area of 0.1 to 100 m2/g and containing iron atom in an amount of 1 to 500 moles based on 100 moles of calcium atom, the iron atom of not less than 50% based on the total amount of iron atom contained in said calcium-iron oxide composite particles being bonded with calcium atom for forming a calcium-iron ferrite phase. A hydrogen chloride-scavenger comprising the calcium-iron oxide composite particles, is capable of effectively capturing harmful hydrogen chloride generated by thermal decomposition or combustion of chorine-containing resin molded products upon fire or incineration thereof, and fixing the hydrogen chloride as stable calcium chloride or the like.

Abstract: A method of transforming a molten material or melt into discrete solid particles comprises forming the melt into prills by passing the melt through a perforated member, dropping the prills onto a bed of powdered material, such as silica flour, to coat the prills with the material in the bed and permitting the prills to cool, thereby to solidify into discrete solid particles. In one embodiment, the melt comprises at least two components such as elemental sulphur and an olefinic hydrocarbon, which are subjected to a chemical reaction, such as the polymerization of the olefinic hydrocarbon with the sulphur to form a sulphur polymer stabilizer. A method of producing a sulphur concrete incorporating the sulphur polymer stabilizer is also provided.

Abstract: An adhesive composition is disclosed, comprising an ethylenic copolymer comprising a repeating unit derived from an ethylenically unsaturated monomer containing an active methylene group and at least a repeating unit derived from an ethylenically unsaturated monomer, and a copolyester containing, as a copolymerizing component, a repeating unit derived from a dicarboxylic acid containing a sulfonate group or a repeating unit derived from a diol containing a sulfonate group.

Abstract: Polyester resin-based molding compositions, and methods for making and using the same, are described which have an improved maturation profile upon addition of a thickening agent. The improved maturation profile results from the presence of at least one multivalent metal salt of a non-fatty acid or anhydride in the molding composition added in accordance with the invention.

Abstract: The present invention relates to a floor covering that causes essentially no unpleasant odors and/or health damaging emissions and which furthermore shows no signs of discoloration by aging for a lengthy time period, as well as a method for manufacturing the floor covering.

Abstract: Compositions for stabilizing polynucleic acids and increasing the ability of polynucleic acids to cross cell membranes and act in the interior of a cell. In one aspect, the invention provides a polynucleotide complex between a polynucleotide and certain polyether block copolymers. The polynucleotide complex can further include a polycationic polymer, as well as suitable targeting molecules and surfactants. The invention also provides a polynucleotide complex between a polynucleotide and a block copolymer comprising a polyether block and a polycation block.

Abstract: Aqueous dispersions of anionic water-soluble or water-swellable polymers are provided, where the polymers have an anionic charge of greater than 16% and where the dispersions maintain their form at a pH of 5.1 or greater. Processes for making these dispersions are also disclosed, as well as methods of using these dispersions to treat water containing various types of suspended materials. Dry polymers, preferably formed by drying these aqueous dispersions, are also disclosed.

Abstract: Thermoplastic resin composition are provided that comprise a thermoplastic resin or mixture thereof and a stabilizing amount of an aromatic ketone compound, derivative of an aromatic ketone compound, or an adduct of an aromatic ketone compound, optionally containing a stabilizing amount of a stabilizer or mixture of stabilizers selected from the group consisting of the phenolic antioxidants, the 3-arylbenzofuranones, the hindered amine stabilizers, the ultraviolet light absorbers, the organic phosphorus compounds, the alkaline metal salts of fatty acids, the hydrotalcites, the epoxydized soybean oils, the hydroxylamines, the tertiary amine oxides, thermal reaction products of tertiary amine oxides, and the thiosynergists. The compositions have improved stability against thermal degradation.

Abstract: There is provided a post-reactor process for a polymer, especially an elastomeric polymer, prepared by a gas phase polymerization in the presence of an inert particulate material comprising: introducing the polymer containing inert particulate material into a polishing vessel in the presence of a fluidizing gas under polishing conditions.

Abstract: Provided herein is a wood substitute composition that utilizes in its production heretofore unused waste material produced in the reclamation of nylon from discarded carpet, along with processes for produced the wood substitute composition. The wood substitute composition shares similar properties to wood, and hence has numerous applications in the building and construction industries.

Abstract: A description is given of compositions comprising a chlorine-containing polymer and at least one compound of the general formula I where x is oxygen or sulfur, and R is C2-C22-acyloxyalkyl or C1-C12-alkyl which may be interrupted by 1 to 3 oxygen atoms and/or substituted by 1 to 3 OH groups, or is C3-C8-alkenyl, C7-C10-phenylalkyl, C5-C8-cycloalkyl, C7-C10-alkylphenyl, phenyl or naphthyl, where the aromatic radical in each case may be substituted by —OH, C1-C12-alkyl and/or OC1-C4-alkyl, and R1 is hydrogen or is as defined for R.

Abstract: An effective electrically insulating film on the surface of a metal object, such as a common type of electric motor core assembly, in which the surface includes an interior comer on which insulation is desired, can be formed by autodeposition with an adequate thickness in the interior corner without need for excessive thickness on other parts of the surface that are more readily covered by prior art methods of applying an insulating coating. If the autodeposition composition used includes as its primary film-forming component a copolymer of certain acrylic monomers, a very high volume resistivity can be achieved.

Abstract: Nonhalogen-Containing Thermoplastic Polyolefin blends are provided which are either heat resistant and are particularly useful in wire and cable coatings, extruded profiles, sheet form or injection molded part or have an elastomeric behavior and are particularly useful in injection molded part. These blends comprise preferably (1) ethylene n-butyl acrylate glycidyl methacrylate (EnBAGMA) terpolymer, (2) an ethylene propylene rubber (EPDM) grafted with maleic anhydride, (3) a polypropylene homopolymer for heat resistance or a very low density polyethylene for elastomeric behavior or a linear low density polyethylene (LLDPE) or a low density polyethylene or a high density polyethylene or an ethylene-polypropylene copolymer.

Abstract: The invention relates to cholesteric polymer flakes obtainable from a chiral polymerizable mesogenic material, to methods of manufacturing such cholesteric flakes, to the use of certain chiral and achiral polymerizable compounds with one or more terminal polymerizable groups for the manufacturing of such flakes and to the use of such cholesteric flakes as effect pigments in spraying or printing inks or paints or colored plastics for different applications, especially for automotive use, cosmetic products and security applications.

Abstract: A process for producing a thermoplastic polymer composition comprising: (1) 100 parts by weight of an olefin polymer which comprises ethylene and at least one &agr;-olefin having 3 to 10 carbon atoms and in which the density is in the range of 0.85 to 0.91 g/cm3 and the molecular weight distribution (Mw/Mn) which is the ratio of weight average molecular weight (Mw) and number average molecular weight (Mn) as calculated by a gel permeation chromatography (GPC) is less than 3.5, (2) 5 to 300 parts by weight of a propylene polymer, (3) 5 to 250 parts by weight of an oil, and (4) 0.02 to 3 parts by weight of a radical initiator, which process comprises steps of previously mixing and heat-kneading the olefin polymer, the propylene polymer and the radical initiator; adding the oil in the stage in which cross-linking is at a proportion of 30 to 95% based on the cross-linking degree of the composition to be finally obtained; and further melt-kneading them to cross-link the same.

Abstract: The object of the present invention is to provide a polyimide film, a flexible printed wiring board consisting thereof, and a polyimide molding, wherein various metal compounds are added to improve their properties and to provide them with noble properties.

Abstract: An extruder according to the invention comprises at least two annular conical feed gaps (9) one within the other, formed between a rotatable rotor (1) and a stator (4, 5). At least some of the material to be extruded is subjected in the different feed gaps (9) of the extruder alternately to a higher pressure and then to a lower pressure. The rotor (1) or stator (4, 5) between the feed gaps (9) can then be balanced such that the pressure effect provides a hydrodynamic bearing, whereby, when the extruder is used, even at worst a very small force is exerted on die other bearings of the rotor (1) or stator (4, 5). By the method of the invention, a product can also be produced which contains cross-linked and at least partly oriented polyethylene.

Abstract: A pipe made of a polyethylene resin which is a linear polyethylene having the following physical properties (1) to (4): (1) a melt flow rate of 0.02 to 0.2 g/10 min, (2) a flow ratio of 50 or more, (3) a density of 0.945 to 0.960 g/cm3, and (4) a relaxation parameter H, represented by the following equation (I), of 2.