Abstract: Vulcanizable elastomeric compositions and vulcanizates are prepared by employing a strong acid. The strong acid is believed to enhance the reaction between a silica particle and a silica-reactive compound.

Abstract: The disclosure herein relates to organofunctional silanes and mixtures of organofunctional silanes possessing mercaptan and hydrocarbyl and/or heterocarbyl functionality. These silanes reduce or eliminate the generation of volatile organic compounds (VOC's) during use, aid in the processing of filled elastomeric materials and enhance the end-use properties of the filled elastomer. The present disclosure relates to a rubber composition and article comprising these silanes.

Abstract: A rubber composition for a tire having greatly shortened vulcanization time, good silica dispersibility and, after vulcanization, superior braking capability, abrasion resistance and low rolling resistance, comprising (A) 100 parts by weight of a conjugated diene-based rubber, (B) 90 to 150 parts by weight of a reinforcing filler containing silica, (C) 0 to 40 parts by weight of an oil, (D) 4 to 20% by weight, based upon the weight of the silica, a silane coupling agent having the formula (I): Y3Si—CnH2nA ??(I) wherein Y indicates a C1 to C25 alkyl or alkoxyl group or a chloro group, the three Y's may be the same or different, n is an integer of 1 to 6, A is a mercapto group or SmZ group, where Z is the group: and m is an integer of 1 to 6) (E) sulfur, and (F) 0.05 to 5 parts by weight of a thiuram disulfide-based vulcanization accelerator having the formula (II): wherein R5, R6, R7 and R8 are independently hydrocarbon groups having 2 to 18 carbon atoms, is provided.

Abstract: This invention relates to the preparation of silica-rich rubber compositions which contain silica reinforcement and silica coupler together with a specified combination of zinc oxide and long chain (fatty) carboxylic acid such as stearic acid. The silica, silica coupling agent, zinc oxide and stearic acid are combined in a manner to form a complex network. The silica is a precipitated silica in a form of silica aggregates which contain hydroxyl groups on its surface. A preferred silica coupling agent is a bis (3-trialkoxysilylalkyl) polysulfide which contains an average of from 2 to about 4, preferably from 2 to about 2.6, connecting sulfur atoms in its polysulfidic bridge. The invention further relates to tires having a component thereof such as, for example, a tread.

Abstract: A method of making an encapsulant composition. The method includes: providing a first quantity of resin material of epoxy or cyanate ester resins; adding to the first quantity of resin material a second quantity of flexibilizing agent; adding to the first quantity of resin material a third quantity of filler material; blending the resin material. After adding the flexibilizing agent, adding the filler material, and blending the resin material, applying the composition to a gap between a substrate and a semiconductor chip. After applying the composition to the gap, pregelling the composition. After pregelling the composition, substantially curing the composition.

Abstract: An anhydrous gel composition is provided for holding and dispersing into the surrounding air space, in a time controlled manner, a volatile composition contained within the gel. The gel composition is formed by crosslinking a polymer solution that contains the volatile composition. In one embodiment the gel composition comprises about 8% to about 25% by weight of an anhydride functionalized polymer; about 0.3% to about 10% by weight of total crosslinker reagent; and about 50% to about 90% by weight of a functional volatile component.

Abstract: An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic initiator, and optionally as additional functional group resulting from the use of a functional terminating reagent, coupling agent or linking agent is also provided. A method is presented for anionically polymerizing monomers comprising the step of polymerizing the monomers with a sulfur containing anionic initiator to provide a functional head group on the polymer. An elastomeric compound, comprising a functional polymer and filler is also described. Also provided is a tire having decreased rolling resistance resulting from a tire component containing a vulcanizable elastomeric compound.

Abstract: High-viscosity elastomeric adhesive compositions including a high softening point tackifier resin in combination with a base polymer can be used to create elastomeric composite laminates having effective adhesion and elastic properties. The elastomeric adhesive compositions suitably have a viscosity between about 100,000 and about 500,000 cps at between about 300 degrees Fahrenheit (149 degrees Celsius) and about 350 degrees Fahrenheit (177 degrees Celsius). Facing layers, such as nonwoven webs, films, elastic strands, fastening material, absorbent material, and the like, can be laminated to one or both surfaces of the elastomeric compositions to form elastomeric composite laminates. A method of making such compositions and laminates involves forming the compositions into elastomeric adhesive films and/or strands.

Abstract: The present invention provides a rubber composition which can sufficiently improve performance on ice and snow and wet gripping properties, and a pneumatic tire using the same. The rubber composition comprises, based on 100 parts by weight of diene rubber (A), 2 to 20 parts by weight of short fiber (B) having an average fiber diameter of 10 to 100 ?m and average fiber length of 0.01 to 4 mm, 1 to 10 parts by weight of particles (C) having a Moh's hardness of at least 5 and average particle size of at most 500 ?m, and 1 to 15 parts by weight of starch/plasticizer composite material (D), and the pneumatic tire has a tread made of the rubber composition.

Abstract: Provided for herein is a process to produce an essentially homogeneous single liquid phase hydrocarbon-rubber cement from a polymer slurry comprising a hydrocarbon-rubber, a diluent, and unreacted monomer(s), the process comprising: (a) contacting the polymer slurry with a hydrocarbon solvent; and (b) removing the diluent in amounts not sufficiently more than is necessary to produce the essentially homogeneous single liquid phase hydrocarbon-rubber cement wherein the mass fraction of monomer(s) in the hydrocarbon-rubber cement, based on the total amount of hydrocarbon-rubber present in the hydrocarbon-rubber cement, is less than the mass fraction of monomer(s) in the hydrocarbon-rubber slurry, based on the total amount of hydrocarbon-rubber present in the hydrocarbon-rubber slurry, wherein the diluent comprises a hydrofluorocarbon.

Abstract: Methods are provided for making a solution masterbatch containing a diene elastomer in an organic solvent and a reinforcing silica filler dispersed therein, comprising the steps of (a) mixing a precipitated silica having an average particle size substantially equivalent to an average particle size of a powdered silica, with a diene elastomer in a first organic solvent; and (b) desolventizing the mixture to form a solution masterbatch preparation. The use of such desolventized solution masterbatches in vulcanizable rubber compounds results in excellent processing characteristics with improved dispersion of fillers, including polymeric nanoparticles. The compounds also demonstrate improved properties, including reduced hysteresis.

Abstract: This invention relates to a silica reinforced rubber composition containing an ionic compound and article having a component thereof. The invention particularly relates to an article such as a rubber tire having a component of such rubber composition. Said ionic compound is composed of a combination of an organic cation moiety and an organic or inorganic anion moiety. Said ionic compound is desirably an ionically conductive ionic compound. The invention particularly relates to improvement of one or more physical properties of a rubber composition by an inclusion of such ionic compound and/or providing a path of least electrical resistance for a electrically resistive component of an article such as a tire by an inclusion in the rubber composition of said component of an ionically conductive ionic compound composed of a combination of an organic cation moiety and an organic or inorganic anion moiety.

Abstract: A conductive roller or a conductive belt is composed of a conductive elastomer composition including a polymer composition having a plurality of carbon-to-carbon double bonds and containing not less than 40 mol % of ethylene oxide; an organometallic salt containing a fluoro group or/and a sulfonyl group; and an elastomer having a plurality of carbon-to-carbon double bonds.

Abstract: The rubber compositions described herein have been found to have an exceptionally long life as a spring-biased actuator diaphragm material that maintains its position compressed, e.g., bolted, between opposed flanges, while maintaining excellent compressibility, low temperature flexibility, hydrocarbon resistance, abrasion resistance and mechanical strength. The compositions include a copolymer rubber component; a plasticizer for the copolymer rubber; a vulcanizing agent for the copolymer rubber; a silica filler; and a coupling agent, such as a silane coupling agent, capable of coupling the silica filler to the copolymer rubber.

Abstract: The invention relates to a tire having at least one component comprised of a rubber composition which contains a hydrophobated, pre-silanized silica, namely a pre-silanized silica hydrophobated with an epoxidized soybean oil and/or epoxidized rubber tree seed oil in situ within said rubber composition. Such tire component may be, for example although not limited to, a tire tread, sidewall and/or sidewall insert.

Abstract: An adhesive composition containing an aqueous butadiene polymer latex, and an acid scavenging compound, wherein the adhesive comprises essentially no phenolic resin or methylene donor compounds. The aqueous covercoat adhesive is particularly well suited for rubber to metal bonding applications. The adhesive have shown excellent adhesion to a number of compounds but perform best on natural rubber compounds and prefer higher cure temperatures to lower cure temperatures. Further, the formulation has been developed without the need for a methylene donor such as 2-polyoxymethylene dimethylether (gamma POM).

Abstract: A dip-forming latex obtained by copolymerization of (a) 50-89.5 weight parts of a conjugated diene monomer, (b) 10-40 weight parts of an ethylenically unsaturated nitrile monomer, (c) 0.5-10 weight parts of an ethylenically unsaturated acid monomer and (d) 0-20 weight parts of other copolymerizable ethylenically unsaturated monomer (the total of these monomers is 100 weight parts), wherein the copolymerization is initiated with a monomer mixture comprising at least 80 wt. % of (a), at least 50 wt. % of (b), 10-90 wt. % of (c) and least 80 wt. % of (d), and thereafter, the remainders of monomers are added to a polymerization system to continue copolymerization. This latex gives a dip-formed article exhibiting good softness of touch, high tensile strength and good retention of close fittingness.

Abstract: A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, one reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler and the elastomer. The inorganic filler comprises a synthetic aluminosilicate of the formula: MxSiAlyOa(OH)b, (H2O)c??(I) in which: M is a cation selected from of K+, Na+, Ca++ and mixtures of these cations; x>0; y>0; a?0; b?0, c?0 and a+b>0, and having the following characteristics: (a) a BET specific surface area of between 20 and 300 m2/g; (b) an average particle size by mass (dw) of between 20 and 400 nm; and (c) an ultrasound disagglomeration rate (?) greater than 5×10?4 ?m?1/min.

Abstract: The present invention discloses a paper coating latex containing copolymeric ionic monomer, a paper coating composition containing thereof, and a paper coated with the composition. More specifically, the present invention provides a styrene-butadiene latex for paper coating which contains sodium methallyl sulfonate, an ionic monomer copolymerizing with monomers used in latex manufacturing, as a monomer for emulsion polymerization, and has excellent stability and fluidity, a paper coating composition containing thereof, and a paper coated with the composition.

Abstract: This invention relates to a rubber composition prepared with reinforcement comprised of a combination of precipitated silica aggregates and pelletized rubber reinforcing carbon black composites of carbon black and organic binder of a controlled hardness and to a tire with at least one component comprised of and derived from such rubber composition in which said carbon black pellet composites are disintegrated (fragmented) in situ within said rubber composition in the presence of particulate precipitated silica and silica coupling agent. In one aspect the invention relates to a tire having a component of a rubber composition comprised of at least one conjugated diene-based elastomer and reinforcing filler comprised of a combination of precipitated silica, silica coupling agent and fragmented rubber reinforcing carbon black pellet composites, said pellets having a controlled hardness value.

Abstract: A sulphur-vulcanizable rubber composition usable for the manufacture of tires, based on at least: (A)—one diene elastomer selected from the group consisting of polybutadienes, natural rubber, synthetic polyisoprenes, butadiene copolymers, isoprene copolymers and mixtures of these elastomers (component A); (B)—a reinforcing white filler (component B); (C)—a coupling agent (white filler/diene elastomer) bearing at least one activated double ethylene bond (component C), with which there is associated: (D)—between 0.05 and 1 phr (parts by weight per hundred of elastomer) of a heat-triggered radical initiator (component D). The coupling agent is in particular an alkoxysilane of the family of alkoxy(C1–C4)-silylpropyls, in particular a trialkoxy(C1–C4)-silylpropyl methacrylate, in particular trimethoxy-silylpropyl methacrylate. Process for preparing such a rubber composition. Tire or semi-finished product, in particular tread, for a tire comprising a rubber composition according to the invention.

Abstract: The present invention concerns a waterborne copolymer dispersion comprising at least one alkenyl functional dendritic polymer being copolymerized to the polymer backbone of at least one homo or copolymer obtainable by polymerization, such as emulsion polymerization, in an aqueous medium of at least one at least one polymerizable allyl, vinyl, maleic or diene monomer. The dendritic polymer is built up from a dendritic core polymer and at least one alkenyl functional compound bonded to the core polymer. In a further aspect the present invention concerns the use of said copolymer dispersion.

Abstract: This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consisting of wherein R and R? can be the same or different and represent allyl, alkoxyl or alkyl groups containing from 1 to about 10 carbon atoms, and wherein X represents a halogen atom, and wherein m represents an integer from 4 to about 10, and wherein X represents a halogen atom; and (2) reacting the vinyl halide containing secondary amine with a vinyl magnesium halide to produce the monomer having a structural wherein R and R? can be the same or different and represent alkyl, allyl or alkoxyl groups containing from 1 to about 10 carbon atoms, and wherein m represents an integer from about 4 to about 10.

Abstract: SEEPS gel and gel foam molded shape articles for use in medical and sport health care, such use include therapeutic hand exercising grips, dental floss, crutch cushions, cervical pillows, bed wedge pillows, leg rest, cushions, mattress, bed pads, elbow padding, dermal pads, wheelchair cushions, helmet liner, cold and hot packs, exercise weight belts, traction pads and belts, cushions for splints, slings, and braces, cushions for the hand, wrist, finger, fore, knee, leg, clavicle, shoulder, foot, ankle, back, rib, soles for orthopedic shoes, and the like.

Abstract: A stabilized high-vinyl polybutadiene composition comprising a high-vinyl polybutadiene, and an antioxidant defined by the formula where each R1 and R2, which may be the same or different, are mono-valent organic groups, or where each R1, which may be the same or different, is a mono-valent organic group and the two R2 groups join to form a divalent organic group.

Abstract: A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, a reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler and the elastomer, wherein said inorganic filler comprises a silicon carbide having the following characteristics: (a) a BET specific surface area of between 20 and 200 m2/g; (b) an average particle size (by mass), dW, of between 10 and 350 nm. Tires or semi-finished products for tires such as treads comprising said rubber composition.

Abstract: A tire tread comprising a rubber composition based on (phr: parts by weight per hundred parts of elastomer): (i) a diene elastomer; (ii) more than 50 phr of an inorganic filler as reinforcing filler; (iii) between 2 and 15 phr of an (inorganic filler/diene elastomer) coupling agent; (iv) between 1 and 10 phr of a methylene acceptor, and (v) between 0.5 and 5 phr of a methylene donor. This tread has, after mechanical running-in of the tire for which it is intended (“auto-accommodation”), a rigidity gradient which increases radially from the surface towards the inside of the tread. Use of such a tread for the manufacturing or recapping of tires. Tires comprising a tread according to the invention, in particular of the snow or ice type (“winter” tires).

Abstract: A composition for use in making an encapsulant usable in the encapsulation of a semiconductor chip assembled to a substrate with C4 solder interconnections therebetween, which in turn may form part of an electronic package. The composition comprises a resin, a flexibilizing agent and a filler material.

Abstract: The present invention relates to a sulfur-cross-linkable elastomeric composition that is useful for the manufacture of tires. This elastomeric composition is based on at least one isoprene elastomer (in particular natural rubber), a reinforcing inorganic filler (in particular, silica), and an (inorganic filler/isoprene elastomer) coupling agent. The coupling agent is a multifunctional polyorganosiloxane (POS), which comprises functions denoted as “Y” and “X”, wherein the Y function is at least one hydroxyl or hydrolyzable function grafted to the silicon atoms of the coupling agent and the X function is a group bearing at least one activated ethylene double bond and is grafted to the silicon atoms of the coupling agent. This POS is, in particular, a POS having an imide, acid or ester function, the ethylene double bond of which is activated by at least one adjacent carbonyl group (—C?O).

Abstract: The invention is the manipulation of the zinc oxide content and sulfur content of nitrile butadiene rubbers and selected vulcanization conditions that can be achieved economically with common production facilities. The manipulation of these components affects the relaxation property of gloves formed by this material. Produced are gloves that have a relaxation property, higher than 50%, and a low modulus (approximately 3 Mpa). The glove maintains decent ultimate tensile strength (>20 Mpa) and elongation (>500%). The glove is produced by a vulcanization process, which lasts from 5 to 60 minutes at temperatures ranging from 300° F. to 400° F. The tensile strength and elongation are well above the ASTM requirements for medical gloves. The current ASTM requirements are ASTM D412-92. Thanks to sufficient vulcanization, the films produced provide satisfactory protection from viral penetration. The tearing strength is also better because of the lower modulus.

Abstract: Pigment suitable for use in coating compositions for inkjet recording media. Surfaces of an inorganic particulate are interacted with a water-soluble polyvalent metal salt in an aqueous medium. The treated particle surfaces have a significant cationic surface charge imparted to them. The salt is a salt of a metal of Group II or Group III of the Periodic Table. Inkjet recording media treated with a coating composition containing the above pigment provide high density, fast-drying, and non-feathering ink images with suitable water fastness, while the coating compositions also offer cost advantages and improved rheology at higher pigment levels over coatings based on silica pigments.

Abstract: Novel gelatinous compositions and articles are formed from an intimate melt blend admixture of one or more of a selected block SEEPS copolymers in combination with one or more polymers of poly(styrene-butadiene-styrene), poly(styrene-butadiene)n, poly(styrene-isoprene-styrene), poly(styrene-isoprene)n, poly(styrene-ethylene-propylene), poly(styrene-ethylene-propylene-styrene)n, poly(styrene-ethylene-butylene-styrene)n, poly(styrene-ethylene-butylene), poly(styrene-ethylene-propylene)n, poly(styrene-ethylene-butylene)n, polystyrene, polybutylene, poly(ethylene-propylene), poly(ethylene-butylene), polypropylene, and polyethylene, and a plasticizing oil.

Abstract: It is an object of the present invention to provide an ink composition with excellent gas resistance, fixability, and bronzing resistance, as well as a recording method and recorded matter in which this ink composition is used. The present invention achieves this object by means of an ink composition in which a pigment is dispersed in a solvent, and a copolymer, which contains structural units originating in an aromatic compound monomer and structural units originating in a C5 or higher diene compound and/or structural units originating in a non-diene compound, is included, wherein the copolymer has a sulfonic acid group, and the proportion of structural units originating in the aromatic compound monomer is 30 to 60 wt % with respect to the weight of the copolymer (100 wt %). In the present invention, styrene, ?-methylstyrene, o-methylstyrene, p-methylstyrene, m-methylstyrene, chlorostyrene, or vinyl benzoate is selected as the above-mentioned aromatic compound monomer.

Abstract: An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic initiator, and optionally as additional functional group resulting from the use of a functional terminating reagent, coupling agent or linking agent is also provided. A method is presented for anionically polymerizing monomers comprising the step of polymerizing the monomers with a sulfur containing anionic initiator to provide a functional head group on the polymer. An elastomeric compound, comprising a functional polymer and filler is also described. Also provided is a tire having decreased rolling resistance resulting from a tire component containing a vulcanizable elastomeric compound.

Abstract: A two-part sizing composition that imparts improved resistance to hydrolysis of reinforced composites including a size composition and a binder composition is provided. The size composition may include one or more coupling agents, one or more lubricants, and at least one wetting agent. The binder composition may include a copolymer formed from maleic anhydride and at least one other copolymerizable monomer, at least one crosslinking agent, and a surfactant or mixture of surfactants. In at least one exemplary embodiment, the maleic anhydride copolymer is a maleic anhydride-butadiene copolymer partial ammonium salt. The size composition may be applied to a reinforcing fiber material before the binder size material is applied. The two-part size composition may be applied to a reinforcing fiber material to form a reinforcing fiber product which may then be densified or compacted to form a densified reinforcing fiber product, such as a pellet.

Abstract: This invention relates to a resin composition useful as a vibration-damping agent and the like. The resin composition is formulated by adding 1 wt % or more of styrenated phenol obtained by the reaction of a phenol with styrene to a polycyclic aromatic oligomer obtained by condensing a polycyclic aromatic compound containing 2 to 3 rings and formaldehyde. The polycyclic aromatic oligomer is obtained by the reaction of a polycyclic aromatic compound with formaldehyde and, if necessary, further with a phenol in the presence of an acid catalyst and has a number average molecular weight of 300–1000. The styrenated phenol is obtained by the reaction of 1 mole of a phenol with 1–2.5 moles of styrene in the presence of an acid catalyst.

Abstract: The present invention relates to thermally conductive, elastomeric pads. The pads can be made by injection-molding a thermally conductive composition comprising about 30 to 60% by volume of an elastomer polymer matrix and about 25 to 60% by volume of a thermally conductive filler material. The resultant pads have heat transfer properties and can be used as a thermal interface to protect heat-generating electronic devices.

Abstract: A composition of matter and a solvent system for use in providing a water resistant coating to basement walls is disclosed. The solvent system comprises a chlorinated solvent blend. The solvent system and coating composition have no flash point, are non-flammable and provide an improved consistent coating when applied to walls.

Abstract: The present invention has for its object to provide a curable composition which, despite its low viscosity, gives a cured product with a high gel fraction, low residual tack, low modulus, high elongation, and good flexibility. The present invention relates to a curable composition comprising the following two components: (A) a vinyl polymer having at least one crosslinking silyl group on the average per molecule: and (B) a photocurable substance, (C) an air oxidation-curable substance, (D) a high molecular plasticizer, (E) a reactive plasticizer or (F) a compound having one silanol group in its molecule and/or a compound capable of reacting with moisture to give a compound having one silanol group in the molecule.

Abstract: The invention relates to a tire having at least one component (e.g. tread) of a rubber composition comprised of a styrene/butadiene elastomer composite comprised of a styrene/butadiene elastomer and a functionalized styrene/butadiene elastomer containing an internal silicon atom therein as a part of the elastomer, and at least one pendent silanol group and/or siloxy group from said silicon atom. Said elastomer composite is comprised of a significant polymodal (e.g. bimodal) molecular weight distribution between said styrene/butadiene elastomer and said functionalized styrene/butadiene elastomer. Said rubber composition contains synthetic, precipitated silica aggregates having hydroxyl groups on their surface which may be pre-treated (hydrophobated) to reduce hydroxyl groups contained on their surface prior to blending with said styrene/butadiene composite. Said rubber composition may contain a dispersion therein of a silica/plasticizer composite.

Abstract: Insulation for a rocket motor is provided, as is a method for insulating a rocket motor. The insulation includes a cured elastomer and vapor-grown carbon fibers dispersed in the cured elastomer. The cured elastomer is preferably formed from a precursor composition comprising an EPDM terpolymer. Generally, the vapor-grown carbon fibers have an internal graphitized tube surrounded by a sheath of vapor-deposited amorphous carbon.

Abstract: The present invention relates to a resin composition comprising a resin and apatite, wherein referring to the particulate form of said apatite present in the resin composition thus obtained, the apatite is present in a particulate form having an average diameter or average thickness (d) of not greater than 100 nm and an average aspect ratio (L/D) of not smaller than 5 as defined by the ratio of the average length (L) to said average diameter or average thickness (d).

Abstract: A catalyst paste composition for making electrodes has a uniform dispersion condition of a carbon black supporting a hydrogen reduction catalyst and is excellent in storage stability. The catalyst paste composition comprises a carbon black supporting a hydrogen reduction catalyst, an electrolyte, a water-soluble sulfonated polymer and a solvent.

Abstract: The invention pertains to an accelerator system, such as an accelerator system for synthetic polyisoprene latex. The accelerator system comprises dithiocarbamate and thiourea and can produce synthetic polyisoprene films having a tensile strength of about 3,000 psi to about 5,000 psi at low curing temperatures. The invention also pertains to a method for curing synthetic polyisoprene latex.

Abstract: Elastomer coating composition are disclosed which cure at room temperature, and form highly flex-resistant, durable, and flexible protective layer on elastomers and provides excellent adhesion to elastomeric and metal substrates. The coating is a solvent solution of (A) a carboxylated hydrogenated acrylonitrile-butadiene copolymer, and (B) a room temperature isocyanate curing component. Coated bonded elastomer-metal composites are obtained without an additional application of heat to cure the coating.

Abstract: The present invention relates to a water vapor-permeable coating composite containing one or more flexible substrates, which are coated on one or both sides with one or more identical or different coating compositions, provided that at least one coating composition contains, as binder, a silica sol-modified aqueous polymer dispersion prepared from unsaturated monomers.

Abstract: This invention relates to a process for producing a free radical control agent of the structural formula: wherein Z is selected from the group consisting of wherein R1 is an alkyl group of 1 to 4 carbon atoms, cyclohexyl or phenyl; wherein R2 is an alkoxy group of 1 to 8 carbon atoms or a cycloalkoxy group of 5 to 8 carbon atoms; wherein Alk is a divalent hydrocarbon of 1 to 18 carbon atoms; and wherein Y represents a functional group that is capable of activating a vinylic carbon toward free radical addition; said process comprising the steps of (1) reacting a mercaptosilane of the structural formula: Z-Alk-SH with carbon disulfide in the presence of a phase transfer catalyst and an alkali metal hydroxide to produce a trithiocarbonate salt; and (2) reacting the trithiocarbonate salt with a halogen containing compound of the structural formula X-Y to produce the free radical control agent, wherein X represents a halogen atom.

Abstract: The invention is directed to an oil extended rubber and composition comprising: a solution-polymerized elastomer derived from at least one conjugated diene monomer and at least one vinyl aromatic monomer, the elastomer coupled with at least one metal selected from the group consisting of silicon and tin; and from about 5 to about 70 parts by weight, per 100 parts by weight of elastomer (phr), of a process oil having a glass transition temperature of from about ?80° C. to about ?40° C., a polycyclic aromatic content of less than 3 percent by weight as determined by the IP346 method, and an aromatic content of less than 20 percent by weight as measured by ASTM D2140.

Abstract: The invention is directed to an oil extended rubber and composition comprising: a solution polymerized elastomer derived from isoprene and optionally at least member of the group consisting of conjugated dienes and vinyl aromatic monomers; and from about 5 to about 70 parts by weight, per 100 parts by weight of elastomer (phr), of a process oil having a glass transition temperature of from about ?80° C. to about ?40° C. and a polycyclic aromatic content of less than 3 percent by weight as determined by the IP346 method.

Abstract: The present invention relates to a shaped article for high purity applications containing at least one peroxide curable compound containing a substantially gel-free butyl polymer. In another of its aspects, the present invention relates to a sealing material and a medical device containing at least one peroxide-curable compound containing a substantially gel-free butyl polymer. In still another of its aspects, the present invention relates to a fuel cell containing at least one peroxide curable compound containing a substantially gel-free butyl polymer. In still another of its aspects, the present invention relates to halogen-free and sulfur-free shaped articles.