Abstract: Provided is a sealing member for a fuel cell, including a constituent member of a fuel cell and the sealing member bonded to each other through intermediation of an adhesive layer, or including the sealing members bonded to each other through intermediation of the adhesive layer, the sealing member including a cross-linked product of a rubber composition, in which the rubber composition contains the following components (A) to (C): (A) at least one rubber component selected from the group consisting of an ethylene-propylene rubber, an ethylene-propylene-diene rubber, and an ethylene-butene-diene rubber; (B) a cross-linking agent including an organic peroxide; and (C) at least one of a fatty acid potassium or a fatty acid sodium.

Abstract: This invention relates to a polyolefin composition comprising one or more of the following formulae: wherein the PO is the residual portion of a vinyl terminated macromonomer (VTM) having had a terminal unsaturated carbon of an allylic chain and a vinyl carbon adjacent to the terminal unsaturated carbon; X is attached to the terminal portion of the VTM to provide PO—X or at the vinylidene carbon of the VTM to provide PO—CHXCH3; and X is Cl, Br, I, or F.

Abstract: A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes hydrohalogenating a polymer having a vinyl chain end to obtain a halogen-containing terminal group, and reacting the terminal group with a polyamine. Methods of using the compound and compositions thereof are also provided.

Abstract: A functionalized polyolefin having one or more pyridazine moieties is disclosed herein. A method to produce the functionalized polyolefin is also disclosed. A composition including the functionalized polyolefin is also disclosed.

Abstract: Epoxy containing phosphonate monomers, polymers, copolymers, oligomers and co-oligomers and methods for making the same are describes herein. These materials can be used to make polymers, and can be combined with other polymers, oligomers or monomer mixtures to make resins with excellent fire resistance that can be used in a variety of industrial and consumer products.

Abstract: This invention relates to a polyolefin composition comprising one or more of the following formulae: wherein the PO is the residual portion of a vinyl terminated macromonomer (VTM) having had a terminal unsaturated carbon of an allylic chain and a vinyl carbon adjacent to the terminal unsaturated carbon; X is attached to the terminal portion of the VTM to provide PO—X or at the vinylidene carbon of the VTM to provide PO—CHXCH3; and X is Cl, Br, I, or F.

Abstract: A functionalized polyolefin having one or more pyridazine moieties is disclosed herein. A method to produce the functionalized polyolefin is also disclosed. A composition including the functionalized polyolefin is also disclosed.

Abstract: The invention discloses improved processes to halogenate polymers. In particular, the invention discloses to improved processes to halogenate polymers made from C4-1012 isoolefins.

Abstract: The instant invention is a cure system for halogenated elastomer compositions, a curable halogenated elastomer composition, and a method for curing a halogenated elastomer composition. The cure system for halogenated elastomer compositions includes a polymercapto crosslinking agent, an inorganic base, and a combination of at least two or more of (a) a nitrogen containing chelating agent; (b) a first accelerator; or (c) a second accelerator. The curable halogenated elastomer composition includes a chlorinated elastomer, and a cure system including a polymercapto crosslinking agent, an inorganic base, and a combination of at least two or more of (a) a nitrogen containing chelating agent; (b) a first accelerator; or (c) a second accelerator.

Abstract: Aromatic hydrogenated polymers comprising perfluoropolyether (PFPE) chains bonded to the aromatic rings to form sequences randomly distributed in the polymer structure, having the formula (I): (T1-CF2O—Rf—CF2)n-T3 in which: n is an integer from 1 to 10; T1 is an aromatic group of the backbone of the hydrogenated polymer, or alternatively condensed aromatic groups; T3 may be equal to T1, or alternatively a functional group —COOH or —COF; Rf is a (per)fluoropolyoxyalkylene chain, in which the starting hydrogenated aromatic polymers are obtained by polycondensation, stepwise polyaddition or polyaddition of cyclic monomers in which the ring is formed by at least 3 atoms.

Abstract: Nucleophilic substitution reactions of halogenated polymers and azoles are used to produce derivatives of polyolefins bear pendant azolium ionomers. These uncured ionomers are useful in adhesive, antimicrobial applications, as well as in polymer composites and polymer blends. Furthermore, these azolium ionomers' ion pairs can bear reactive functionality, which provides access to further reactions that were unavailable using previous technology. Advantageously, such reactive ionomer derivatives of polyolefins can be cured by free radical and moisture-curing chemistry that was unaccessible to the halogenated polymer parent material.

Abstract: Adhesive (co)polymers of this disclosure comprise: a) an isobutylene copolymer having pendent succinate groups and optionally a tackifier. The pendent succinic acid groups ionically crosslinks the isobutylene copolymer by hydrogen boding with adjacent pendent succinic acid groups.

Abstract: The invention provides a chlorinated ethylene-based polymer, process for preparing the same, and compositions and articles prepared from the same. The chlorinated ethylene-based polymer has a low residual crystallinity, for example, less than 8 percent, a relatively high crystallization temperature, Tc, for example greater than, or equal to, 25° C., and a medium weight average molecular weight, Mw, for example, less than, or equal to, 325,000 g/mole.

Abstract: The present invention provides solvent- and water-based primer compositions that include at least one chlorinated carboxylated polyolefin that has been modified with one or more polyfunctional alcohols. The chlorinated carboxylated polyolefins are obtained by the reaction of polyolefins with at least one of unsaturated carboxylic esters, unsaturated carboxylic acids, unsaturated carboxylic anhydrides, acrylic monomers, and mixtures thereof then chlorinated. The chlorinated carboxylated polyolefins are then further modified by reaction with one or more polyfunctional alcohols. These polyfunctional alcohol-modified chlorinated carboxylated polyolefins may also contain pendant carboxyl groups, which have the propensity to form hydrophilic salts with amines or inorganic bases, thereby rendering the polyfunctional alcohol-modified chlorinated carboxylated polyolefins water-dispersible.

Abstract: The instant invention is a cure system for halogenated elastomer compositions, a curable halogenated elastomer composition, and a method for curing a halogenated elastomer composition. The cure system for halogenated elastomer compositions includes a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate. The curable halogenated elastomer composition includes a chlorinated elastomer, and a cure system including a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate.

Abstract: The invention discloses improved processes to halogenate polymers. In particular, the invention discloses to improved processes to halogenate polymers made from C4-1012 isoolefins.

Abstract: A hybrid polymer has a structure in which a polyolefin segment and a polar polymer segment are connected not via a bonding group containing a heteroatom. A method of the invention produces the hybrid polymer with industrial advantages. The hybrid polymer includes a polyolefin segment (A) and a polar polymer segment (B), the polar polymer segment being obtained by radical polymerization of a radically polymerizable monomer.

Abstract: Partially neutralized chlorosulfonated polyolefin elastomers containing 0.5-10 weight percent chlorine and 0.25 to 5 weight percent sulfur are prepared from polyolefin elastomer base resins selected from the group consisting of propylene/ethylene copolymers, ethylene/propylene/diene copolymers, isobutylene/diene copolymers, isobutylene homopolymers, hydrogenated styrene/butadiene block copolymers and hydrogenated styrene/isoprene block copolymers.

Abstract: Disclosed is a method for preparing polyolefins containing vinylidine end groups from quasiliving carbocationically terminated polyolefin polymers by contacting the quasiliving carbocationically terminated polymer with quenching agent selected from the group consisting of polypyrrole, polyvinylpyridine, polyphenothiazine, polyoxazine, and polypyrrole-co-thiophene and substituted derivatives thereof.

Abstract: The invention relates to sulfonimide bearing phenolic compounds and the use of those compounds to produce polyphosphazenes functionalized by one or more of those compounds alone, or in combination with cosubstituents. The invention also relates to blends of sulfonimide functionalized phosphazene polymers with other polymers, membranes formed of the functionalized polymers, and the use of those membranes in devices such as fuel cells.

Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent, an inorganic base, and a quaternary ammonium salt. The quaternary ammonium salt has a formula selected from the group consisting of wherein R1 is an alkyl or aryl group containing between 4 and 12 carbon atoms; wherein R2 and R3 are independently alkyl or aryl groups containing between 1 and 8 carbon atoms; wherein the total number of carbon atoms on R2 and R3 are between 3 and 9; wherein R4 and R5 are methyl groups, and R6 is an alkyl group containing between 2 and 8 carbon atoms; and wherein X is an anion.

Abstract: In method of making an organic solution of a chlorinated polyolefin that produces a storage-stable solution, a chlorinated polyolefin resin is dissolved in a hydrocarbon solvent that is predominantly aliphatic hydrocarbon, aromatic hydrocarbons other than toluene and xylene, or mixtures of these at a temperature of from 118 to 125° C., particularly at 120 to 122° C., held at the temperature for an adequate time for complete dissolution, particularly for at least about ninety minutes, then cooled and a cosolvent is added at a temperature below the boiling point of the cosolvent but at a temperature at which the chlorinated polyolefin solution is still clear or has little haziness, particularly at about 50 to 75° C. The solution may then be cooled, if needed, to a storage or use temperature. The solution has from about 60 to about 90 percent by weight of the mixture of the hydrocarbon solvent and cosolvent and from about 10 to about 40 percent by weight of chlorinated polyolefin resin. The solution has 0.

Abstract: A chlorinated propylene-based polymer of the present invention having a weight average molecular weight (Mw) as measured by gel permeation chromatography (GPC) of 5,000 to 100,000 and a chlorine content of 0.1 to 70% by mass has the following properties: (1) it has a high solubility in a non-aromatic solvent having a low environmental burden even when it has a low degree of chlorination, and (2) it can be inhibited from suffering a decrease in the properties inherent to polypropylenes, such as durability, mechanical properties, appearance and hydrophobicity, by regulating its degree of chlorination at a low value.

Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent, an inorganic base, and a quaternary ammonium salt. The quaternary ammonium salt has a formula selected from the group consisting of wherein R1 is an alkyl or aryl group containing between 4 and 12 carbon atoms; wherein R2 and R3 are independently alkyl or aryl groups containing between 1 and 8 carbon atoms; wherein the total number of carbon atoms on R2 and R3 are between 3 and 9; wherein R4 and R5 are methyl groups, and R6 is an alkyl group containing between 2 and 8 carbon atoms; and wherein X is an anion.

Abstract: The present invention provides graft biocidal N-halamine polymers. The biocidal polymers are prepared by contacting precursor graft polymers with a halogen source. The precursor graft polymers are prepared by grafting a polymer, such as a polyolefin, with a vinyl monomer under suitable conditions, for example, a reactive extrusion condition. In one embodiment, the graft polymerization is carried out in the presence of a vinyl monomer and a radical initiator. The biocidal polymers have potent antimicrobial activities against a broad spectrum of microorganisms and virus, such as E. coli and flu viruses.

Abstract: A higher olefin polymer having a polar group which is produced by subjecting to an incorporation reaction of a polar compound or halogen compound into a higher ?-olefin polymer satisfying the requirements of the following (1) and (2), which is obtained by polymerizing one or more higher ?-olefins having 10 or more carbon atoms or copolymerizing one or more higher ?-olefins having 10 or more carbon atoms with one or more other olefins and a method for producing a higher olefin polymer having a polar group which is obtained by polymerizing one or more higher ?-olefins having 10 or more carbon atoms or copolymerizing one or more higher ?-olefins having 10 or more carbon atoms with one or more other olefins to form a higher ?-olefins polymer satisfying the requirements of the following (1) and (2) and subsequently subjecting to an incorporation reaction of a polar compound or halogen compound into the higher ?-olefin polymer.

Abstract: Bottles made of metallocene polypropylene (mPP) for storage and dispensing reservoirs for fragrance compositions, in particular fragrance oils, are described. The mPP bottles can be used in warmer units for slow release dispensing of the fragrance therein. The metallocene polypropylene bottles can be produced by extrusion or injection blow molding, injection molding, injection stretch blow molding (single or two stage), or other suitable molding process. The mPP bottles may optionally have at least one barrier coating layer and/or adhering layer. The mPP bottles may optionally be fluorinated. The mPP bottles have good clarity and possess the required physical properties needed when the bottles are filled on a production line.

Abstract: Uniform chlorinated polyolefins which can give crosslinked rubbers and thermoplastic elastomers with excellent low-temperature rubber elasticity, compression set and fatigue strength, and a process for their production. Polyolefin powder pulverized to a mean particle size of no greater than 500? is used for chlorination.

Abstract: A chlorosulphonated ethylene-?-olefin copolymer having a chlorine content of 0.5-20% by weight and a glass transition temperature in differential scanning calorimetry (DSC) of ?50° C. or lower and being crystalline. The chlorosulphonated ethylene-?-olefin copolymer is obtained by chlorinating a crystalline ethylene-?-olefin copolymer having a density of 890 kg/m3 or lower, obtained by copolymerizing ?-olefin comprising a hydrocarbon having 4 or more carbon atoms, with ethylene, and then chlorosulphonating the chlorinated copolymer.

Abstract: Branched polyarylene polymers are provided comprising monovalent endcappers, divalent linear units, and polyvalent branching units. The composition of the polymers is controlled by adjusting the ratio of the three types of monomers.

Abstract: The purpose of the invention is to provide a novel aqueous dispersion that allows high solidification and that has good adherence and gasohol resistance to polyolefin substrates even on low-temperature baking. An aqueous dispersion characterized by dispersedly containing carboxyl group-containing chlorinated propylenic random copolymer with chlorine content of 5 to 40% by weight, grafting level of ?,?-unsaturated carboxylic acid or its anhydride of 0.1 to 20% by weight and weight average molecular weight of 10,000 to 300,000, and stabilizer, a method for the production and the uses thereof.

Abstract: The invention provides a novel binder resin composition with good adherence onto prime materials of polyolefin, poly (vinyl chloride), polycarbonate, PET, ABS and nylon, and also with excellent solvent solubility. A binder resin composition characterized by being chlorinated propylenic random copolymer with weight average molecular weight of 3000 to 250000, wherein propylenic random copolymer with melting point (Tm) measured by differential scanning calorimeter (DSC) of 115 to 165° C.

Abstract: The present invention provides a process for preparing a filled halobutyl elastomer, which includes mixing a halobutyl elastomer, particles of filler an additive containing both amino and alcohol functional groups, and one or more hydrated metal halogens and optional curing the filled elastomer with sulfur or other curative systems. The compositions of the present invention have improved properties when compared to known carbon black-filled halobutyl elastomeric compositions combined with an enhanced scorch safety. This present invention has the advantages of (a) not evolving alcohol either during the manufacture or subsequent use of the article manufactured from the compound, and (b) maintaining good processability of the compound.

Abstract: The present invention relates to a process for preparing an isobutene polymer using a cyclopentene derivative as initiator and to the isobutene polymer obtainable by means of the process and to particular functionalization products thereof.

Abstract: The present invention is specifically directed to improved polyvinyl chloride compositions having excellent impact strength. In particular, the impact resistant composition comprises a vinyl chloride polymer and 2-8 parts of an impact modifier composition comprising at least one ethylene/alpha-olefin copolymer and at least one chlorinated olefin polymer per 100 parts of the vinyl chloride polymer. Preferably the impact modifier composition comprises less than 1 part of the ethylene/alpha-olefin copolymer and the ratio of said copolymer to the total modifier composition is less than 25%.

Abstract: The invention relates to a process for the preparation of an aqueous dispersion of halogenated vinyl polymers by polymerization, according to which, after polymerization, a basic agent is added in an amount such that the pH of the aqueous dispersion is less than approximately 5. The invention also relates to the aqueous dispersion obtained, which can be coated onto polymeric substrates made of paper or of regenerated cellulose.

Abstract: The present invention provides a vinyl chloride resin composition having excellent mechanical properties. The vinyl chloride resin composition comprises a chlorinated polyolefin and a resin composition containing a vinyl chloride resin and a polyolefin resin, in which 1 to 30 parts by weight of the chlorinated polyolefin is included relative to 100 parts by weight of the resin composition including 50 to 99 parts by weight of the vinyl chloride resin containing 0 to 50% by weight of a plasticizer and 1 to 50 parts by weight of the polyolefin resin, and in which the chlorinated polyolefin has a heat of fusion of 10 to 100 J/g, which is measured in accordance with a DSC method, and includes 35 to 60% by weight of chlorine in amorphous portions thereof.

Abstract: The invention relates to a process for the preparation of an aqueous dispersion of halogenated vinyl polymers by polymerization, according to which, after polymerization, a basic agent is added in an amount such that the pH of the aqueous dispersion is less than approximately 5. The invention also relates to the aqueous dispersion obtained, which can be coated onto polymeric substrates made of paper or of regenerated cellulose.

Abstract: The invention provides a process, and product thereof, for forming a chemically resistant fusion bonded seal between chemically dissimilar materials by use of a chlorinated polyolefin film for protective garments. The process involves placing the chlorinated polyolefin film between two dissimilar films such as a facepiece and the fabric film of the garment and applying heat and pressure. The resulting fusion bonded film composite is strong, flexible and upon the application of sufficient stress exhibits total cohesive rupture failure.

Abstract: This invention relates to a rubber composition comprised of a combination of cis 1,4-polybutadiene and at least one liquid hydroxyl terminated polyalkylene polymer together with a halogenated copolymer of isobutylene and p-methylstyrene and a minor amount of at least one conjugated diene-based elastomer, preferably cis 1,4-polyisoprene. The rubber composition contains particulate reinforcement as carbon black or as carbon black and silica together with a coupling agent. The invention also relates to a tire having a sidewall of such rubber composition.

Abstract: A paper transport belt and a paper handling apparatus containing a paper transport belt which is made from a composition containing an alkylated chlorosulfonated polyethylene polymer.

Abstract: A pneumatic tire and an innerliner for use in a pneumatic tire are provided by the invention. The innerliner comprises a multilayer structure including a barrier layer and an adhesive layer. The barrier is a blend of high chlorine content chlorinated polyethylene elastomer and low chlorine-content chlorinated polyethylene elastomer. The adhesive can include a nitrile rubber composition or an ultra high molecular weight elastomer.