Abstract: A polyolefin resin composition comprising (a) 50-94% by weight of a specific polypropylene/ethylene-propylene copolymer composition, (b) 5-40% by weight of a specific ethylene/&agr;-olefin copolymer rubber and (c) 1-10% by weight of a specific hydrogenated diene block copolymer, wherein the component (a) comprises 60-95% by weight of a polypropylene component and 5-40% by weight of an ethylene-propylene copolymer component having an ethylene content of 30-80% by weight, the polypropylene component has an isotactic pentad ratio (P) of not less than 0.96 and a Mw/Mn (Q value) of not more than 6, and a ratio of the maximum melt flow rate (MFRmax) to the minimum melt flow rate (MFRmin) has the following relationship 0.

Abstract: A continuous process is disclosed for preparing a reactive particulate dispersion in a liquid carrier. The process comprises mixing together as a melt a resin and a crosslinker under extrusion condition at a temperature and for a time such that substantial crosslinker potential is retained between the resin and the crosslinker and thereafter dispersing the mixture whilst still molten into the liquid carrier and allowing the molten dispersed mixture to solidify to form particles.

Abstract: A process for producing pourable foam regulator granules containing a defoamer combination of a paraffin wax and a bisamide derived from diamines and carboxylic acids and an inorganic, water-soluble or water-dispersible carrier salt by pelletizing in a granulation mixer with intensive mixing 50 to 100 parts by weight of the inorganic carrier salt optionally with up to 5 parts by weight of an anionic or nonionic cellulose ether, adding 1 to 10 parts by weight of an aqueous alkali metal silicate or polymeric polycarboxylate solution and then adding 10 parts by weight of the defoamer combination heated to a temperature of 70° C. to 180° C.

Abstract: A process for producing a resin used for preparing an optical material. The process comprises curing a composition comprising an ultraviolet light absorbent and an epithio compound by polymerization in the presence of a catalyst, wherein the ultraviolet light absorbent and the catalyst are in amounts, each expressed as parts by weight per 100 parts by weight of the total amount of the epithio compound, which satisfy both of the following relationships (a) and (b): (a) 0.001≦ultraviolet light absorbent≦1,000, and (b) 0.001≦catalyst≦5,000. The process prevents coloration and clouding of optical material for a lens obtained by polymerization of an epithio compound caused by addition of an ultraviolet light absorbent.

Abstract: The present invention can provide the rubber composition for tire treads which comprises a specific wet silica and a rubber component containing a brominated isobutylene/paramethylstyrene copolymer and gives tire treads having an enhanced grip performance. The rubber composition for tire treads comprises a polymer containing not less than 30% by weight of a brominated isobutylene/paramethylstyrene copolymer, wet silica having a BET specific surface area of 100 to 250 m2/g after allowed to stand at 150° C. for 0.5 hour in nitrogen atmosphere in an amount of 50 to 200 parts by weight on the basis of 100 parts by weight of the polymer and a silane compound in an amount corresponding to 1 to 15% by weight based on the wet silica.

Abstract: The use of a thermoplastic molding composition differing from ABS and comprising, based on a total of 100% by weight of amounts of components A and B, and, if desired, C and/or D, a: as component A, from 1 to 99% by weight, preferably from 15 to 60% by weight, in particular from 25 to 50% by weight, of a particulate emulsion polymer with a glass transition temperature of below 0° C. and with a median particle size of from 50 to 1000 nm, preferably from 50 to 500 nm b: as component B, from 1 to 99% by weight, preferably from 40 to 85% by weight, in particular from 50 to 75% by weight, of at least one amorphous or partly crystalline polymer, c: as component C, from 0 to 50% by weight of polycarbonates, and d: as component D, from 0 to 50% by weight of fibrous or particulate fillers or mixtures of these for producing sheet-like wall elements and fastening parts therefor.

Abstract: This invention relates to the separation of molecules on polymer gels, in particular to novel cross-linked polymer gels comprising the cross-linking moiety of for formula (1) and their preparation, the separation of molecules by techniques such as electrophoresis using these gels, novel cross-linking agents useful in the preparation of the gels, and novel intermediates useful in the synthesis of the cross-linking agents. The invention is especially suitable for electrophoretic applications.

Abstract: Organophilic phyllosilicates which have been prepared by treating a naturally occurring or synthetic phyllosilicate, or a mixture of such silicates, with a salt of a quaternary or other cyclic amidine compound, or with a mixture of such salts; polymeric systems, in particular thermoplastic polymers and thermosetting polymer systems, preferably epoxy resins, polyurethanes and rubbers, which comprise novel organophilic phyllosilicates, and also shapable moulding materials and finished mouldings in the form of composite materials, in particular in the form of nanocomposites.

Abstract: A process for tinting a resin and a tinted optical material produced by the process. The process comprising dipping a resin into a liquid containing at least one compound selected from the group consisting of polar inorganic compounds and polar organic compounds and subsequently tinting the resin, wherein the resin is obtained by curing by polymerization of a sulfur-containing compound alone or a composition comprising the sulfur-containing compound, the sulfur-containing compound having in the molecule thereof one or more structures represented by the following formula hydrocarbon group having 1 to 10 carbon atoms, R2, R3 and R4 each represents a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, Y represents S or O and n represents 0 or 1.

Abstract: Crosslinkable powder compositions are provided which are redispersible in water and comprise a) from 30 to 95 parts by weight of one or more water-insoluble, film-forming polymers of one or more free-radically polymerizable, ethylenically unsaturated monomers, b) from 5 to 70 parts by weight of one or more water-soluble polymers, where at least one of the polymer components a) and b) comprises one or more comonomer units containing crosslinkable groups, and the parts by weight of a) and b) add up to 100 parts by weight, and c) from 0.5 to 30% by weight, based on the total weight of a) and b), of inorganic or organic solids which are insoluble in water and in organic solvents and have a mean particle size of from 5 nm to 100 &mgr;m, which solids have, chemically bound to their surface, functional groups capable of forming covalent bonds with the crosslinkable groups of the polymers a) and b).

Abstract: The invention provides thickeners based on carboxyl- and carboxamido-containing addition polymers obtainable by free-radical emulsion or suspension polymerization of: a) from 30 to 70% by weight of carboxyl-containing, ethylenically unsaturated monomers, b) from 10 to 70% by weight of carboxamido-containing, ethylenically unsaturated monomers, and c) from 0.1 to 30% by weight of further ethylenically unsaturated monomers in the presence of at least 5% by weight of one or more water-soluble protective colloids from the group consisting of polyvinyl alcohols, polyvinyl pyrrolidones and (meth)acrylate-(meth)acrylic acid copolymers, the percentages by weight being based in each case on the overall weight of the comonomers.

Abstract: Adding a quantity of metallic shot or particles of other materials having a high dielectric constant to the thermoplastic paint in the mixing pot of ordinary roadway marker fixation equipment, which extrudes the paint and applies same to the roadway surface, enhances the MMW radiometric visibility of the marker without adverse effect to the affixation equipment. Vehicles containing MMW radiometers directed down toward the roadway surface moves along the roadway surface is able to automatically sense microwave/millimeter wave energy from a marker in the vehicles path. In one system, the sensed energy is used in conjunction with other apparatus to assist to guide the vehicle within a traffic lane. In another system, the sensed energy is decoded and displayed as pertinent information for the vehicle's driver.

Abstract: The adhesive composition (34) in accordance with the invention for the hot bonding of substrates (32, 33), polymers or metals, comprises at least one polymer material, at least one plasticiser and wetting agent, and, possibly, at least one solvent, and its operating temperature is lower than the temperature at which the substrates (32, 33) degrade and lower than the melting temperature of polymer material. Application for making aeronautical quality sandwich structures, particularly for helicopter rotors.

Abstract: The invention relates to water-dilutable binders which can be prepared by subjecting (A) from 20 to 90% by weight of a mixture of (a1) from 3 to 50% by weight of acrylic acid, methacrylic acid or of a mixture of acrylic acid and methacrylic acid, and (a2) from 50 to 97% by weight of an ethylenically unsaturated monomer or of a mixture of ethylenically unsaturated monomers to free-radical polymerization in the presence of (B) from 9.9 to 79.9% by weight of a halogen-free copolymer composed of (b1) from 1 to 99, preferably from 50 to 90% by weight, of propylene, (b2) from 1 to 99, preferably from 10 to 50% by weight, of at least one olefin which is copolymerizable with (b1) and contains per molecule from five to twenty, preferably from six to eight, carbon atoms, with the exception of isoprene, and (b3) from 0 to 50, preferably from 0 to 25% by weight, of ethylene and/or butylene, or of a mixture of such copolymers, and (C) from 0.

Abstract: A method for producing a powder comprises the steps of: charging a vessel with a mixture of at least two solid components. At least one of the solid components comprises a polymeric resin. The vessel with charged with a fluid in which the polymeric resin, and preferably the other components of the mixture, are not substantially soluble. The fluid is selected such that the density of the fluid can be adjusted upon adjustment of temperature and pressure in the vessel to enable creation of a suspension of the mixture within the vessel upon agitation of the contents of the vessel. The temperature is maintained above the glass transition temperature of the polymeric resin in the fluid. The pressure of the fluid is adjusted such that the density of the fluid enables creation of the suspension of the mixture within the vessel upon agitation of the contents of the vessel. The contents of the vessel is agitated to create the suspension.

Abstract: The hydrous ethylene-vinyl acetate copolymer hydrolyzate (EVOH) pellets of the present invention are characterized in that they are hydrous pellets of an ethylene-vinyl acetate copolymer hydrolyzate (EVOH) (A) having an ethylene content of 5 to 60 mole percent and a degree of saponification of not less than 90 mole percent and have a water content of 5 to 60% by weight and a storage elastic modulus at 20° C. of 2×106 to 5×107 Pa. These hydrous pellets preferably contain a small amount of an alcohol (B) containing 1 to 5 carbon atoms and/or a small amount of at least one compound (C) selected from the group consisting of a boron compound (c1), acetic acid (c2), an alkaline metal acetate (c3), an alkaline earth metal acetate (c4) and a phosphoric acid compound (c5).

Abstract: The incorporation of waxes into thermoplastic adsorbent compositions enables the formation of high adsorbent loading compositions which have suitable flowability properties. The wax-containing thermoplastic adsorbent compositions are especially useful as thermoplastic adsorbent adhesives for use in desiccating interior compartments of insulating glass units.

Abstract: A thermoplastic molding composition comprising polycarbonate resin and additive, positive, amounts of stabilizer and salt is disclosed. The composition is characterized by its freedom from splay and by its improved flame retardance. The stabilizer of the invention is a physical mixture of poly(alkyl methacrylate) with fluorinated polyolefin, and the salt is an alkali metal or alkaline earth metal salt of perfluoroalkane sulfonic acid, aromatic sulfimide, or aromatic sulfonic acid.

Abstract: The invention relates to an additive for inhibiting gas hydrate formation, containing a) from 5 to 90% by weight of 2-isobutoxyethanol, b) from 5 to 60% by weight of a copolymer which has structural units which are derived from maleic acid, maleic anhydride or derivatives of maleic acid or of maleic anhydride, and c) at least 10% by weight of water or a monohydric or polyhydric alcohol, except the 2-isobutoxyethanol, or mixtures of the stated substances, based on the total weight of the additive, the sum of the contents of compounds a) and b) being from 10 to 90% by weight, and a process for inhibiting gas hydrate formation using 2-isobutoxyethanol.

Abstract: A polymerizable resin composition useful in downhole applications in a subterranean well is disclosed as including a furfuryl alcohol oligomer resin and a polymerization catalyst. The catalyst should be a C9 to C15 alkyl benzene sulfonic acid and preferably is a dodecyl benzene sulfonic acid. The polymerizable resin composition may also include an organic diluent selected from C3 to C8 alkyl esters, C1 to C6 alkyl alcohols; halogenated aromatics and mixtures thereof. Preferably the organic diluent is a C1 to C6 alkyl acetate and more preferably the organic diluent is butyl acetate. The polymerizable resin composition may include super-slurper polymers such as copolymers of starch and acrylamides or starch and acrylates. Solid particles may also be included in the polymerizable resin composition.