Abstract: A defoaming agent which can effectively eliminate foams generated in the occasions of preparation, coating, drying and baking of water-based paint, by addition thereof by itself, without combined use of other kind(s) of defoaming agent(s), and furthermore without impairing appearance of baked coated film of the paint or recoatability of the paint is provided. Such a defoaming agent for water-based paint has the composition comprising (1) polyoxyethylene hydrogenated castor oil triisostearates and (2) polyalkyl vinyl ether, polybutadiene, polybutene or polyisoprene, which are dissolved in (3) liquid normal paraffin, liquid isoparaffin or liquid cycloparaffin, at such a ratio that the blended amount of (1) occupies 2-90% by weight of the total composition.

Abstract: The invention relates to polymer-modified cement-containing building material dry mixes which contain a redispersible polymer powder, water retention agents based on polysaccharide structures, a calcium-containing setting accelerator and a superabsorbent copolymer.

Abstract: A polymer composition comprises (a) least 40 wt % (based upon the weight of the composition) of a cyclic olefin polymer comprising at least one acyclic olefin and at least 20 wt % of one or more cyclic olefins (based upon the weight of the cyclic olefin polymer), wherein at least a portion of the cyclic olefin polymer has a glass transition temperature of greater than 100° C.; (b) an acyclic olefin polymer modifier in an amount up to 40 wt % (based upon the weight of the composition); and (c) at least 10 wt % (based upon the weight of the composition) of one of more fillers. The polymer composition has a notched Izod impact resistance measured at 23° C. of greater than 100 J/m and a flexural modulus (1% secant method) of greater than 1400 MPa.

Abstract: The present invention relates to non-aging, impact-modified polycarbonate compositions and molding compositions comprising: A) from 60 to 86 parts by weight (based on the sum of components A+B+C) of aromatic polycarbonate and/or aromatic polyester carbonate, B) from 4 to 12 parts by weight (based on the sum of components A+B+C) of graft polymer comprising: B.1 from 10 to 50 wt. % (based on the graft polymer B) of a shell of at least one vinyl monomer, and B.2 from 90 to 50 wt. % (based on the graft polymer B) of a graft base of silicone-acrylate composite rubber, C) from 10 to 30 parts by weight (based on the sum of components A+B+C) of a polymer or copolymer based on vinyl monomer, and D) from 0 to 20 parts by weight of polymer additives. Components B and C are present in a ratio of the parts by weight of B:C in the range from 1:1.3 to 1:3.5.

Abstract: The instant invention generally provides a process of making a polymer nanocomposite by compounding an organoclay and a melt of a polymer in the presence of water. The instant invention also provides a polymer nanocomposite made by the process.

Abstract: The invention relates to the use of a silica having a BET specific surface of at least 60 m2/g for increasing the rigidity of a thermoplastic polymeric material while maintaining i.e. improving its impact resistance. The silica used is of the type obtained according to a method involving the drying of a silica suspension obtained by reacting a silicate with an acidulant according to the following successive steps: (i) forming an aqueous starter having a pH between 2 and 5; (ii) simultaneously adding silicate and the acidulant while keeping the pH between 2 and 5; (iii) continuing with only the addition of silicate until a pH between 7 and 10 has been reached; (iv) simultaneously adding silicate and acidulant while keeping the pH of the reaction medium between 7 and 10, and; (v) continuing with only the addition of the acidulant until a pH value lower than 6 has been obtained. The invention also relates to the materials obtained within this scope.

Abstract: Plasticizing system which can be used for the plasticizing of a diene rubber composition, wherein it is based on an MES or TDAE oil and on a resin formed of terpene/vinylaromatic copolymer, in particular copolymer of limonene and of stirene. Rubber composition exhibiting an improved abrasion and cut resistance, the composition being based on at least a diene elastomer, a reinforcing filler, a crosslinking system and a plasticizing system comprising between 5 and 35 phr of an MES or TDAE oil and between 5 and 35 phr of such a resin formed of terpene/vinylaromatic copolymer (pce=parts by weight per hundred parts of elastomer). Process for preparing such a composition, use of the composition for the manufacture of a finished article or of a semi-finished product intended for a tire or a tire/motor vehicle connecting system, in particular a tire tread.

Abstract: An additive composition for mortars, exterior insulation finish systems, self-leveling compounds and joint compounds is disclosed. The additive composition contains a nitrogen-containing polymer and a reactive agent capable of forming a crosslinking reaction with the nitrogen-containing polymer. Small amounts of the additive composition contained in a product not only can increase one or more properties of the product but can also minimize the use of redispersible polymers in the product.

Abstract: A rubber latex composition is disclosed having reduced allergenicity. Methods for producing a rubber latex composition having reduced allergenicity are also disclosed.

Abstract: A method of controlling a moisture resistance of polyglycolic acid resin, by controlling a total carboxyl group-source concentration including a contribution of residual glycolide. As a result, a moisture resistance governing the change of strength with time of the polyglycolic acid resin is controlled at a good accuracy.

Abstract: The invention relates to the use of spherical metal particles, which are free of antimony and/or antimony-containing compounds, as a laser marking agent or laser weldability agent in a plastic, wherein the particle size distribution of the spherical metal particles, as determined by means of laser granulometry, in the form of the volume-averaged cumulative undersize particle size distribution, has a D99 value of <110 ?m, a D90 value of <75 ?m, and a D50<45 ?m. The invention further relates to a laser-markable and/or laser-weldable plastic which a laser marking agent consisting of spherical metal particles, which are free of antimony and/or antimony-containing compounds, wherein the particle size distribution of the spherical metal particles, as determined by means of laser granulometry, in the form of the volume-averaged cumulative undersize particle size distribution, has a D99 value of <110 ?m, a D90 value of <75 ?m, and a D50<45 ?m.

Abstract: In some embodiments, the present invention relates to new processes to simultaneously shorten and functionalize raw or purified carbon nanotubes to improve their dispersity and processibility, and the short functionalized nanotubes that may be made by the processes. This present invention also relates to new compositions of matter using short functionalized carbon nanotubes with thermoset, thermoplastic polymers, high temperature polymers, and other materials; the processes for making such composite materials; and the products of said processes.

Abstract: The invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, expressed as parts by weight per 100 parts by weight of elastomer (phr), (A) 30 to 70 phr of a first styrene-butadiene rubber, (B) 20 to 60 phr of a second styrene-butadiene rubber, (C) 5 to 20 phr of cis-1,4 polybutadiene having a Tg of from ?110° C. to ?90° C.; (D) 30 to 60 phr of processing oil; (E) 5 to 20 phr of carbon black having an Iodine absorption ranging from 130 to 210 g/kg according to ASTM D-1510 and an oil absorption ranging from 110 to 140 cc/100 g according to ASTM D-2414; (F) 80 to 130 phr of silica; (G) 0.5 to 20 phr of a sulfur containing organosilicon compound; and (H) 5 to 20 phr of resin.

Abstract: The invention relates to a pigment preparation containing, as main ingredients: (a) between 5 and 70 wt. % of at least one pigment P which is coated with at least one polymerisable, ethylenically unsaturated compound B; (b) between 0.1 and 15 wt. % of at least one non-ionic surface-active additive C based on polyethers and/or polyglycerines; (c) between 0.1 and 15 wt. % of at least one anionic surface-active additive D based on sulfonates, sulfates, carboxlates, phosphonates, or phosphates; between 10 and 90 wt. % of water and (e) between 0 and 20 wt. % of standard additives, the total weight percentage not exceeding 100 wt. %.

Abstract: Filled polyolefin compositions comprising: A) from 20% to 80% by weight of a polypropylene component; B) from 20% to 80% by weight of a filler; wherein the percentages of A) and B) are referred to the sum of A) and B), and A) is selected from the following compositions: a) a polypropylene composition containing from 20% to 80% by weight of a polypropylene fraction AI) having a Melt Flow Rate value of 500 g/10 min. or more, and from 20% to 80% by weight of a polypropylene fraction AII) having a Melt Flow Rate value of from 0.1 to 30 g/10 min., the said percentages of AI) and AII) being referred to the sum of AI) and AII); or b) a polypropylene composition containing from 15% to 72% by weight of a polypropylene fraction AI) having a Melt Flow Rate value of 500 g/10 min. or more, from 15% to 70% by weight of a polypropylene fraction AII) having a Melt Flow Rate value of from 0.1 to 30 g/10 min. and from 0.

Abstract: The invention is directed to compositions comprising an elastomer component and a propylene component, and in which the elastomer component comprises at least one ethylene/?-olefin polymer, optionally containing a diene, and the polypropylene component comprises at least one branched polypropylene. Preferably, the elastomer component has a melt tan delta between about 0.7 and about 8, as measured by parallel plate rheometer at 0.1 rad/sec, 190° C., and 15 percent strain; and the ratio of the “melt tan delta of the elastomer component” to the “melt tan delta of the propylene component” is from 0.5 to 4. The invention also provides for method of making such compositions, and to low gloss articles prepared from the same. The inventive compositions are particularly suitable for fabricating thermoformed sheeting with reduced gloss.

Abstract: A rubber composition for tire sidewall which comprises a rubber component, which comprises polybutadiene rubber having a content of the cis-1,4-bond of 92% or greater and a content of the vinyl bond of 1.5% or smaller and natural rubber and/or at least one other diene-based synthetic rubber, and 10 to 70 parts by mass of carbon black having a specific surface area by nitrogen adsorption of 20 to 100 m2/g per 100 parts by mass of the rubber component and does not comprise a softener having an aniline point of 50° C. or lower and a tire using the rubber composition for sidewall. Excellent resistance to cut growth is obtained while sufficient workability is surely exhibited.

Abstract: The present invention provides a chemically amplified resist composition comprising: a resin (A) which itself is insoluble or poorly soluble in an aqueous alkali solution but becomes soluble in an aqueous alkali solution by the action of an acid and which comprises a structural unit having an acid-labile group in a side chain and a structural unit represented by the formula (I): wherein R1 represents a hydrogen atom or a methyl group, ring X1 represents an unsubstituted or substituted C3-C30 cyclic hydrocarbon group having —COO— and k represents an integer of 1 to 4, a resin (B) which comprises a structural unit represented by the formula (II): wherein R2 represents a hydrogen atom, a methyl group or a trifluoromethyl group, and an acid generator.

Abstract: The present invention provides a resin-coated metal pigment capable of achieving both of water resistance of a water base paint and chemical resistance of a film at a high level, and a water base paint using the resin-coated metal pigment. The present invention provides a method for producing a resin-coated metal pigment including an adsorption step of bringing a solution or a dispersion liquid of a phosphate ester component (A) into contact with a metal pigment to prepare a phosphate ester adsorbing metal pigment, a slurry preparation step of preparing a slurry for polymerization obtained by dissolving a polymerization component (B) therein, and a coating step of polymerizing the polymerization component (B) to form a resin coating layer on the surface of the phosphate ester adsorbing metal pigment; a resin-coated metal pigment obtained by the method; and a water base paint using the resin-coated metal pigment.

Abstract: The invention is to provide a rubber composite and tire using the rubber composite, which, when the rubber composite is used as the tread rubber of a tire, enables the tire to have high wear resistance and hence have a long life while presenting a low rolling resistance and enables an automobile that uses the tires to reduce fuel consumption during traveling. The rubber composite of the invention comprises 100 parts by weight of a rubber component composed of at least one kind of rubber, selected from a group of natural rubber, synthetic isoprene rubber and synthetic diene rubber and 10 to 100 parts by weight of a carbon black blended therein, the carbon black is specified to satisfy the relation X/Y?0.84, where X is the mercury intrusion specific surface area (m2/g), measured by mercury porosimetry and Y is the CTAB specific surface area (m2/g). The tire of the invention is one that uses the above rubber composite as its tread portion.