Abstract: Disclosed is a method for making a poly-lactic acid/silica composite. At first, silica particles are aminated, thus providing aminated silica particles. Secondly, the aminated silica particles are mixed with poly-lactic acid. Then, the mixture is blended and extruded by two micro-screws, thus providing a poly-lactic acid/silica composite. Thus, the mechanical properties of the poly-lactic acid are improved without affecting the biodegradability of the poly-lactic acid.

Abstract: A room-temperature-curable polyorganosiloxane composition includes: 100 parts by mass of polyorganosiloxane capped with hydroxyl groups at termini and having a viscosity (23° C.) of 0.02 to 1000 Pa·s; 1 to 200 parts by mass of a filler capable of imparting flame retardancy; 0.1 to 10 parts by mass of a partially hydrolyzed condensate of a silane compound of R1aSi(OR2)4-a wherein R1('s) and R2('s) independently represent a substituted/unsubstituted univalent hydrocarbon group, and ‘a’ represents a numerical value of 0?a?0.2 on average; 0.1 to 10 parts by mass of a silane compound of R32Si(OR4)2 wherein R3's and R4's) independently represent a substituted/unsubstituted univalent hydrocarbon group, or its partially hydrolyzed condensate having 3 or less Si atoms in its molecule; 0.

Abstract: A rubber composition for use in tires including from 60 to 120 parts by weight of a silica having a CTAB specific surface area of from 70 to 175 m2/g and from 3 to 25 parts by weight of an aromatic modified terpene resin excluding terpene phenol resins per 100 parts by weight of a diene rubber including from 30 to 80 weight % of a terminal-modified styrene-butadiene rubber and from 10 to 50 weight % of a butadiene rubber. An average glass transition temperature of the diene rubber is ?55° C. or lower and an average glass transition temperature of a component formed from the diene rubber, the aromatic modified terpene resin, and an optional plasticizer is ?45° C. or lower.

Abstract: A maleimide terminated polyimide incorporated into a two-part acrylic structural adhesive system. The maleimide terminated polyimide of the various embodiments of the present invention provide improving thermal stability, strength, and toughness.

Abstract: The invention relates to rubber compositions containing a treated silica, particularly sulfur cured rubber compositions, and articles of manufacture having a component thereof such as, for example tires. The invention particularly relates to synthetic amorphous silica, particularly a precipitated silica, treated with a combination of allylsilane and dialkylsilane.

Abstract: A premixed composition is formed from modified polyacrylate polymer, silicone emulsion, and silane, that cures rapidly to form a composition that can be used as a grout or coating. The premixed composition includes a latex resin including an acrylic-based polymer, a silicone emulsion, and a silane, and optionally may include various fillers, pigments, and adjuvants. These components in the proper proportions form a stable viscous suspension that can be floated into tile joints, and cleaned from an adjacent tile surface. The composition rapidly cures to form a hard mass that is resistant to abrasion, in both dry and wet conditions, is color consistent, and is resistant to staining.

Abstract: Disclosed is a polyamide composition including at least one semi-aromatic copolyamide, said semi-aromatic copolyamide consisting essentially of about 25 to about 55 mole percent repeat units of the formula —C(O)(CH2)mC(O)NHCH2ArCH2NH—??(I) and about 45 to about 75 mole percent repeat units of the formula —C(O)(CH2)mC(O)NH(CH2)nNH—??(II) wherein m is 8, 10, and/or 12, n is 6, 10 and/or 12 and Ar is a meta-substituted benzene ring; and said polyamide has a melting point equal to or less than 225° C.; and 0.25 to 20 weight percent of one or more polyhydroxy polymer(s) having a number average molecular weight of at least 2000 and selected from the group consisting of ethylene/vinyl alcohol copolymer and poly(vinyl alcohol). Also disclosed are molded or extruded articles including the polyamide composition.

Abstract: The present invention relates to a method for preparing precipitated silica, in particular in powder form. The invention also relates to the resulting precipitated silicas and to the use thereof, in particular for the reinforcement of silicone elastomer or silicone paste matrices.

Abstract: Disclosed is a glass composition which can be suitably used as a glass filler to be blended into a polycarbonate resin. This glass composition contains, in mass %, 50?SiO2?60, 8?Al2O3?15, 0?MgO?10, 10?CaO?30, 0?Li2O+Na2O+K2O<2, and 5<TiO2?10, and does not substantially contain B2O3, F, ZnO, SrO, BaO and ZrO2.

Abstract: A method of treating filler can include the steps of providing the filler, disposing silica within the filler so that a bulk density of the filler is approximately 24 to 26 pounds per cubic feet, forming a silane compound that includes silane and paraffin wax, and combining the silane compound with the filler.

Abstract: There is provided a matting activator for water pressure transfer film adapted to impart the maximum matting effect to a decoration obtained by water pressure transfer with a matting agent added to the activator. To an ultraviolet ray hardening resin composite, the main component of the activator are added a matting agent and a resin bead gathering agent. The ultraviolet ray hardening resin composite includes a photo-polymerization monomer including a photo-polymerization component having at least photo-polymerization monomer and a photo-polymerization initiator, the matting agent comprises resin beads, the resin bead gathering agent comprises particulate silica, the weight ratio of the blend of the resin beads relative to the ultraviolet ray hardening resin composite is 0.01-0.3 and the weight ratio of blend of the resin bead gathering agent relative to the resin beads is adjusted in 0.05-1.5 according to the weight ratio of blend of the resin bead.

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: The rubber composites for tire treads include silica; carbon black; and oil constituents, wherein a ratio (A index) of silica contents, carbon black contents, and oil constituents contents is represented by A index=silica contents/(carbon black contents+silica contents+oil constituents contents)?0.8; and a ratio (B index) of a complex elastic modulus E* at 30° C. and a loss tangent tan ? at 60° C. is represented by B index=E*/tan ??120.

Abstract: The present invention relates to aqueous binder dispersions based on silane-modified polymeric binders and inorganic nanoparticles, a process for the preparation thereof and the use thereof for the production of high quality coatings, in particular clear lacquers.

Abstract: The method for producing flaky-glass granules of the present invention is a method for producing flaky-glass granules by allowing a plurality of glass flakes to be bonded to each other so as to be granulated. The method includes the steps of: (I) adding at least one liquid selected from water and a volatile organic solvent to the plurality of glass flakes and stirring a resultant mixture, and (II) drying the plurality of glass flakes stirred with the liquid added thereto. Unlike conventional flaky-glass granules, the flaky-glass granules produced by this method contain neither a binder nor a surface treatment agent for bonding the glass flakes to each other. Thus, when mixed into a thermoplastic resin to be molded at a high temperature, the flaky-glass granules cause neither foam inclusion nor discoloration in a molded article of the resin.

Abstract: This invention is based upon the concept of modifying the surface of silica with a metal, such as titanium or zirconium, which will catalyze silanol condensation reactions on the surface of the silica. The utilization of such metalated silica as a filler in rubber compositions results in improved polymer filler interaction and in turn improved physical properties. For instance, such surface metalated siliceous fillers can be used in tire tread compounds to attain improved rolling resistance and treadwear without compromising traction characteristics. The present invention more specifically discloses a tire having a tread comprising (1) a rubbery polymer, (2) a silica coupling agent, and (3) a surface metalated siliceous filler.

Abstract: This invention relates to silicon compositions particularly useful for the production of anti-fouling varnishes that can be applied to flexible or bulk supports. In particular, embodiments of the invention are directed to cross-linkable silicone composition that is cross-linkable by polyaddition and includes at least two inter-reactive polyorganosiloxane (POS) species (A) and (B) in the presence of a metal catalyst (C) in order to allow cross-linking by polyaddition; and optionally at least one particulate component (D); at least one cross-linking inhibitor (E); optionally at least one solvent (F), optionally at least one adhesion promoter (G); and optionally at least one functional additive (H) for imparting specific properties.

Abstract: The object of the present disclosure is to obtain silica particles having the sharp particle size distribution and low water-absorbing rate and being used suitably as a filler of a sealing resin composition, a method for producing it, and a resin composition containing the silica particles and a resin. Silica particle having a water-absorbing rate of less than 1.0% measured 500 hours after being kept at a temperature of 50° C. and at a humidity of 90%, and at a temperature of 85° C. and at a humidity of 85%, D90/D10 of 3 or less, a true specific gravity of 2.1 g/cm3 or more, and an average particle diameter of 10 ?m or less.

Abstract: A polysiloxane resin composition contains: a first polysiloxane having an average compositional formula of R4a (OR5)b (OH)cSiO(4-a-b-c)/2; a second polysiloxane different from the first polysiloxane and selected from cyclic polysiloxane, linear polysiloxane with a weight average molecular weight of less than 3000, and a combination thereof; a white pigment; an inorganic filler; and a catalyst.

Abstract: A vibration-proof rubber composition excellent in both characteristics of durability and compression set characteristic is provided. A vibration-proof rubber composition includes components (A) to (C) below, wherein an amount of reacted silane coupling agent in the component (B) is 6.5% by weight or more, and an amount of unreacted silane coupling agent is in a range of 0.5 to 2.5% by weight: (A) diene rubber; (B) pre-treated silica prepared by surface-treating, with a silane coupling agent, silica having a BET specific surface area in a range of 180 to 230 m2/g; and (C) sulfur.

Abstract: The present invention relates to a composition for a thermosetting silicone resin, including: (1) an organopolysiloxane having a silanol group at an end thereof; (2) an alkenyl group-containing silicon compound; (3) an epoxy group-containing silicon compound; (4) an organohydrogensiloxane; (5) a condensation catalyst; (6) a hydrosilylation catalyst; and (7) a silica particle, in which the (7) silica particle has a 50% volume cumulative diameter of from 2 to 50 ?m, a content of particles having a particle size of 1 ?m or less of 15% by number or less and a content of particles having a particle size of 60 ?m or more of 15% by number or less.

Abstract: A binder for air drying paint, based on metal oxide-containing nanoparticles with unsaturated organic branches. At least one metal atom of the nanoparticle is chemically bound to an organic branch with at least one unsaturated ethylenic functionality. A process for preparation of the binder.

Abstract: The present invention relates to a laser additive in the form of particles comprising a white core and a shell which comprises elemental carbon, to a process for the preparation thereof, and to the use of a laser additive of this type in organic polymers, in particular in plastics, coatings, automobile paints, powder coatings, printing inks, paper coatings and papermaking stocks for the production of durable pale laser markings, preferably on a dark background

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: Desirable composites of polysiloxane polymers and inorganic nanoparticles can be formed based on the appropriate selection of the surface properties of the particles and the chemical properties of the polymer. High loadings of particles can be achieved with good dispersion through the polymer. The composites can have good optical properties. In some embodiments, the inorganic particles are substantially free of surface modification.

Abstract: A vibration-isolating rubber composition contains components (A) and (B) below and components (C) and (D) below, wherein the amount of the component (B) added is 10 to 100 parts by weight relative to 100 parts by weight of the component (A); (A) diene rubber; (B) silica having all the properties (?), (?), and (?); (?) a silanol group density of the silica surface of 3.0 groups/nm2 or more as calculated by the Sears titration method, (?) an average particle diameter of 10 ?m or less, and (?) a BET specific surface area of 15 to 60 m2/g; (C) a silane coupling agent having a specific structure; and (D) at least one of zinc monomethacrylate and a specific mono(meth)acrylate. Therefore, the vibration-isolating rubber composition exhibits good heat resistance, durability, and stiffness and a reduced dynamic multiplication.

Abstract: Disclosed is a glass composition having a stable quality, which can be easily obtained. This glass composition can be used as a glass filler to be blended into a polycarbonate resin, and enables to reduce the load imposed on a glass manufacturing apparatus. Specifically, this glass composition contains, in mass %, 50?SiO2?60, 8?Al2O3?15, 0?MgO?10, 5?CaO<21, 0<SrO+BaO?25, 10<MgO+SrO+BaO?30, 0?Li2O+Na2O+K2O<2, 2<TiO2?10 and 0?ZrO2<2 and does not substantially contain B2O3, F, and ZnO.

Abstract: The present invention provides a rubber composition capable of reducing rolling resistance, and improving abrasion resistance, wet skid performance, and steering stability. A tire having a tread and/or a sidewall using the rubber composition is also provided. The rubber composition of the present invention comprises not less than 10 parts by weight of the silica (1) having an average primary particle diameter of not less than 22 nm and not less than 5 parts by weight of the silica (2) having an average primary particle diameter smaller than 22 nm based on 100 parts by weight of a rubber component, wherein the total amount of the silica (1) and the silica (2) is 15 to 150 parts by weight. The tire of the present invention is prepared by using the rubber composition.

Abstract: An aggregate of functional particles includes a plurality of functional particles and an insulating material for covering the plurality of functional particles, and a large number of aggregates of functional particles are filled in a resin. Alternatively, insulating functional particles are added to the plurality of functional particles by an amount less than 50% of that of the functional particles in volume ratio.

Abstract: A radiation-curable base resin composition and a fingerprint-resistant resin composition including the same are provided. The radiation-curable base resin composition includes a multifunctional urethane (meth)acrylate having three or more functional groups at 3 to 35 parts by weight, a bifunctional urethane (meth)acrylate at 3 to 35 parts by weight, at least one (meth)acrylic acid ester monomer selected from a monofunctional (meth)acrylic acid ester monomer and a multifunctional (meth)acrylic acid ester monomer at 20 to 60 parts by weight and a radiation polymerization initiator at 0.1 to 15 parts by weight.

Abstract: The present invention provides a method of preparing a transparent polymer material, the method comprising steps i) and ii) in any order, the steps consisting in: i) mixing: mineral nanoparticles having a form factor strictly greater than 1.0; and a polymer matrix comprising a quantity of at least 80% by weight of a polycarbonate (PC) first thermoplastic polymer and of a second transparent thermoplastic polymer other than the first thermoplastic polymer, in order to obtain a mixture; and ii) heating the polymer matrix to the molten state, on its own or in the mixture; to obtain the transparent, polymer material, the mixture of step i) comprising a quantity of mineral nanoparticles having a form factor strictly greater than 1.0 that is strictly less than 5% by weight.

Abstract: The invention relates to mixtures containing alkali-activatable aluminosilicate binders, characterized in that the mixture contains organosiloxane compounds, to the use of organosiloxane compounds for reducing shrinkage in alkali-activatable aluminosilicate binders and to the use for hydrophobization of alkali-activatable aluminosilicate binders. The invention furthermore relates to joint mortars, levelling compounds or coatings which contain the mixtures according to the invention.

Abstract: The present invention herein provides ceramic powder which is to be incorporated into rubber or a resin and which can be used as, for instance, a semiconductor-sealing material and for the preparation of a composition excellent in the narrow interstice-filling up property and moldability. The ceramic powder has a multiple peak-frequency type particle size distribution which has at least two peaks, as determined according to the laser diffraction-scattering type particle size distribution analyzer, wherein the maximum particle size observed for the first peak falls within the range of from 12 to 30 ?m; that observed for the second peak falls within the range of from 2 to 7 ?m; the content of the particles having a particle size of greater than 7 ?m and less than 12 ?m is not more than 18% (including 0%); and wherein the ratio (F2/F1) of the frequency value F2 of the maximum particle size for the second peak to that F1 of the maximum particle size for the first peak ranges from 0.5 to 1.3.

Abstract: An object of the present invention is to provide a rubber composition for a tire, which can achieve well-balanced improvement in fuel economy, abrasion resistance, and performance on ice and snow, and a studless tire for a passenger vehicle using the rubber composition. The present invention relates to a rubber composition for a tire, including a rubber component and silica, wherein the rubber component contains a modified natural rubber with a phosphorus content of 200 ppm or less, and butadiene rubber, and the silica has a CTAB specific surface area of 180 m2/g or more and a BET specific surface area of 185 m2/g or more.

Abstract: The present invention relates to a thermoplastic resin composition which comprises 100 parts by weight of a polyamide resin (component A) and 1 to 400 parts by weight of a granular inorganic filler (component B) comprising an inorganic filler having an average particle diameter of 0.01 to 100 ?m and a water-soluble polyester resin binder, and having a bulk density of 0.4 to 1.5 g/mL; and a resin molded article obtained by molding the thermoplastic resin composition. The thermoplastic resin composition is improved in various properties such as extrusion moldability, rigidity, impact resistance, thermal stability and hue, and exhibits an excellent balance between these properties.

Abstract: The instant invention relates to elastomeric compositions especially useful for manufacturing articles for tires which comprise: (1) at least one butadienic elastomer E, containing a functionalized butadienic elastomer prepared in solution, and modified by a polyfunctional alkoxy silane coupling agent; and (2) a specific precipitated silica having high dispersibility properties and containing aluminum, as at least one reinforcing filler in said butadienic elastomer.

Abstract: Disclosed are a vibration isolating rubber composition that balances a low dynamic-to-static modulus with high durability, and a vibration isolating rubber that is formed by curing said rubber composition. The vibration isolating rubber composition is characterized by including a diene rubber, and a carbon black and a silica as fillers, and in that the mixing ratio of the carbon black (a) and the silica (b) is (a)/(b)=80/20 to 20/80 (weight ratio).

Abstract: Disclosed is a resin composition comprising an aromatic polyamide having a terminal amino group concentration of 5 to 45 ?moles/g inclusive, polyphenylene ether, a compatibilizing agent for the polyamide and the polyphenylene ether, and a crystal nucleating agent. The composition is extremely useful in an automotive body panel (e.g., an automotive fender), an SMT-compliant component or the like.

Abstract: The present invention provides a rubber composition for coating a textile cord, and a tire using the rubber composition, wherein rolling resistance is lowered, and processability and rubber strength are excellent, as compared with a rubber composition for coating a textile cord comprising raw materials derived from petroleum resources as a main component, and a tire using the rubber composition, while considering environments and providing for the future decrease in petroleum resources supply. The rubber composition for coating a textile cord comprises 25 to 80 parts by mass of silica and 1 to 15 parts by mass of a silane coupling agent on the basis of 100 parts by mass of a diene rubber, wherein a nitrogen adsorbing-specific surface area of said silica is 70 to 150 m2/g.

Abstract: The present invention relates to carboxyl-containing polymers having higher storage stability and improved processability in the form of powders, pellets or granules and to their use in laundry detergents and cleaners, and also in further fields of use.

Abstract: Blends of carbon black or other fillers is described. The blends of carbon black or other fillers are preferably pre-blended prior to introducing the blend into a product such as an elastomeric or polymeric product.

Abstract: Transparent acrylate pressure-sensitive adhesive comprising a filler, the acrylate-pressure sensitive adhesive comprising a polyacrylate and particles of silicate and/or of silica gel. The particles of silicate and/or of silica gel have a size of not more than 50 nm. The acrylate pressure-sensitive adhesive is prepared by a process in which acrylates and comonomers are polymerized in the presence of at least one organic solvent or in bulk, the particles of silicate and/or of silica gel being mixed in before or after the polymerization.

Abstract: Disclosed is a coating formed from a composition containing a film-forming resin and a plurality of particles dispersed in the resin. The average particle size of the particles is 0.1 to 50 microns, and the particles have a hardness sufficient to impart greater mar and/or scratch resistance to the coating as compared to a coating where no particles are present. Also, the difference between the refractive ranges from 1 to 1.5. A method for preparing a powder coating including the particles also is provided.

Abstract: Disclosed herein are architectural coating compositions comprising spheroid shaped silica or silicate. The compositions exhibit a number of improved properties and are useful on a variety of substrates.

Abstract: The invention describes a composition comprising a) a naturally occurring or synthetic rubber susceptible to oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, b) a white reinforcing filler, and c) as coupling agent, at least one compound of the formula I wherein the general symbols are as defined in claim 1, or an oligomeric hydrolysis product of the compound of the formula I.

Abstract: A rubber member for laser bonding of the present invention containing a rubber ingredient and silica, wherein the silica has an average particle size of more than 50 nm and 120 nm or less, and the amount of the silica is 10 parts by mass to 50 parts by mass based on 100 parts by mass of the rubber ingredient, the rubber member has a laser light transmittance of 30% or more, provided that the laser light transmittance is a transmittance when the rubber member has a thickness of 2 mm and is irradiated with laser light having a wavelength of 808 nm.

Abstract: A composite material includes a matrix composed of a polyhydroxyalkanoate (PHA) polymer and a filler composed of particles dispersed in the matrix. The particles are composed of naturally-derived materials (e.g., ground bone meal or pumice powder), have a microporous microstructure, have a low hygroscopic expansion, and are less than 1.0 mm in size. Preferably, the matrix and the filler together constitute 100% by weight of the composite material, and at most 30% by volume of the composite material is consumed by the filler. The composite material may take the form of an anaerobically biodegradable article of manufacture such as a building material a coating of a building material or other article.

Abstract: A rubber mixture which exhibits reliable processability contains (A) a rubber or mixture of rubbers, (B) a filler, (C) at least one organosilane, (D) a thiuram accelerator, and (E) a nitrogen-containing co-activator. A weight ratio of thiuram accelerator (D) to nitrogen-containing co-activator (E) is equal to or greater than 1.

Abstract: Disclosed are a resin composition for laser engraving including a resin having two groups having specific structures and having a number average molecular weight of 5,000 or more and 500,000 or less, a relief printing plate precursor for laser engraving comprising a relief-forming layer formed from the resin composition on a support, a process for making the relief printing plate precursor, a process of making a relief printing plate using the relief printing plate precursor, and a relief printing plate having a relief layer which is manufactured by the process.

Abstract: Provided is a rubber composition capable of providing a molding having: excellent sealing properties, heat resistance, and acid resistance; a low reaction force and low hardness; a reduced compression set; and especially an improved compression set and unsusceptibility to compression cracking at high temperatures. Also provided are a use of the rubber composition and a main body comprising the rubber composition mounted thereon. The rubber composition contains a specific ethylene/?-olefin/non-conjugated polyene copolymer [A], carbon black [B], and surface-modified silica [C] that is obtained by subjecting precipitated silica to surface modification and has a BET specific surface area of 30 to 80 m2/g, a particle diameter of 1.0 to 4.0 ?m as measured by the Coulter counter method, and an M value of 50 or more.