Abstract: A method of making a polydiene polymer having at least 50% by weight based on the weight of the polymer of units derived from one or more conjugated diene, wherein the method comprises a polymerization with at least one aliphatic conjugated diene monomer having from 4 to 25 carbon atoms and, optionally, one or more comonomer, wherein the method further comprises using at least one functionalizing comonomer according to formula (1) wherein the functionalising comonomer is either used at the beginning of the polymerization to produce an alpha-functionalized polymer or at the end of the polymerization to produce an omega-functionalized polymer or during the polymerization to produce a backbone-modified polymer, or a combination thereof, and wherein in formula (1), R1 and R2 are selected independently selected from each other from alkyl residues having from 1 to 12 carbon atoms, which may, optionally, contain one or more ether or halogen atoms, and trialkyl silane residues of formula (2) (R3)(R4)(R5)Si—??(2

Abstract: Method of making a polydiene rubber comprising (i) polymerizing at least one aliphatic conjugated diene monomer, preferably having from 4 to 25 carbon atoms, to produce a polymer having reactive polymer chain ends, (ii) reacting at least some of the reactive polymer chain ends with a coupling agent comprising from 2 to 20 unsaturated siloxane units, preferably from 3 to 15 units, more preferably from 3 to 10 units, (iii) using at least one functionalization agent for introducing at least one functional group to the polymer, wherein the functional group, preferably, has in addition to C and H atoms at least one heteroatom selected from Si, S, N, O or combinations thereof and wherein (iii) is carried out before, after or during step (ii). Also provided are polydiene rubbers obtained by the method, curable compositions comprising the polydiene rubber and composition comprising the cured polydiene rubber.

Abstract: Method of making a polydiene rubber comprising (i) polymerizing at least one aliphatic conjugated diene monomer, preferably having from 4 to 25 carbon atoms, to produce polymers having reactive polymer chain ends, (ii) reacting at least some of the reactive polymer chain ends with a coupling agent comprising from 2 to 20 unsaturated siloxane units, preferably from 3 to 15 units, more preferably from 3 to 10 units. Also provided are polydiene rubbers obtained by the method, curable compositions comprising the polydiene rubber and composition comprising the cured polydiene rubber.

Abstract: Contact adhesive compositions comprising polychloroprene and, based on the polychloroprene content, 10 to 99 wt % of ethylene-vinyl acetate copolymer exhibit outstanding adhesion to substrates such as ethylene-vinyl acetate copolymers, thermoplastic elastomers or flexible PVC. The contact adhesive compositions of the invention are especially suitable for use in the bonding of articles, preferably articles in which at least part of the articles to be bonded consists of polyurethane, flexible PVC, ethylene-vinyl acetate copolymers and/or thermoplastic elastomers. This allows the adhesive composition to be employed widely in the footwear industry, for the bonding of roofing membranes containing flexible PVC, ethylene-propylene-diene rubber (EPDM) and/or ethylene-vinyl acetate copolymers, or for the bonding of synthetic leather based on flexible PVC.

Abstract: A polymer composition comprising (i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group; (ii) at least one organic acid according to the general formula (1): Ry-(Acg)n (1), (iii), optionally, at least one second polymer, wherein the polymer composition has a total amount of first and second polymer of at least 90% by weight, or at least 95% by weight, based on the total weight of the composition which is 100% and wherein the amount of the at least one first polymer is at least 10% by weight, and wherein the first or the second polymer or both contain from 0 to 100 parts of extender oil per 100 parts of polymer and wherein the amount of polymer indicated by weight percent includes the amount of extender oil when present, and wherein in formula

Abstract: The invention teaches a polymer which consists of monomer units acrylonitrile, 1,3-butadiene and acetoacetoxyethyl methacrylate. The polymer can be an unhydrogenated or a hydrogenated polymer. The invention also teaches a use of the polymer as a positive cathode binder for a rechargeable battery. The polymer according to the present invention has advantages over conventional polymers based at least on polyvinylidene fluoride polymer (PVDF).

Abstract: The present invention relates to a process for preparing solutions of hydrogenated nitrile-diene copolymer, wherein the nitrile-diene copolymer dissolved in an ether-containing or ketone-containing solvent mixture is subjected to hydrogenation conditions. The invention further relates to solutions of hydrogenated nitrile-diene copolymer (HNBR solutions) comprising CPME as solvent, and to the use of HNBR solutions in CPME-containing solvent mixtures as binder in electrodes.

Abstract: A process for making a functionalized diene polymer terminated by a functional end group selected from thiol containing end groups, thiolate containing end groups and a combination thereof, comprising (i) preparing a diene polymer by a polymerization reaction comprising an anionic polymerization reaction; (ii) adding at least one first functionalisation reagent according to formula (III) ?to the polymerization reaction and reacting the at least one first functionalisation reagent with the anionic chain ends of the diene polymer to obtain a first reaction product, (iii) adding at least one second functionalising reagent (IV) ?to the first reaction product to produce a thiol-terminated or thiolate-terminated diene polymer; wherein the process, optionally, further comprises (iv) isolating the thiol-terminated or thiolate-terminated diene polymer from the reaction mixture, and optionally further comprising (v) bringing the diene polymer into the form of sheets, bales, granules, bales or int

Abstract: The present invention relates to a process for producing PEG acrylate-HNBR copolymer which exhibits excellent processability by latex hydrogenation of PEG acrylate-NBR latex to afford PEG acrylate-HNBR latex and subsequent coagulation.

Abstract: The present disclosure relates to an all-solid-state lithium-ion battery produced by applying onto a substrate a slurry in which an active material, a conductive material, a sulfide-based solid-state electrolyte, a binder and a solvent are mixed, characterized in that the binder is a hydrogenated acrylate-nitrile-butadiene rubber (H-ANBR) which comprises remaining double bonds in an amount of more than 0% and not more than 5.5% based on the total amount of the H-ANBR.

Abstract: The present invention relates to a vulcanisable composition for forming a nitrosamine free sulphur modified polychloroprene vulcanisate and to a method for making the same.

Abstract: The present disclosure relates to rubber polymers of ethylene-glycidylmethacrylate-vinyl acetate polymer as modifiers in epoxy resins. In particular ethylene-glycidylmethacrylate-vinyl acetate rubber polymers comprising phthalic anhydride modified glycidyl methacrylate monomer units.

Abstract: This invention relates to novel hydrogenation catalyst compositions obtainable from reacting metal-based complex hydrogenation catalysts with specific co-catalysts and to a process for selectively hydrogenating nitrile rubbers in the presence of such novel hydrogenation catalyst compositions.

Abstract: An extruder system for degassing a mixture, comprising a first extruder, a second extruder arranged downstream of the first extruder and a transfer zone formed between these extruders, characterized by a pressure regulating device which can regulate the pressure at the outlet of the first extruder.

Abstract: The present invention relates to a catalyst system containing a metathesis catalyst containing at least one N-heterocyclic carbene ligand and at least one phenolic compound and to a process for performing the metathesis on nitrile rubbers for reducing their molecular weight using a metathesis catalyst containing at least one N-heterocyclic carbene ligand (NHC ligand) and at least one phenolic compound.

Abstract: The present disclosure relates to rubber polymers of ethylene-glycidylmethacrylate-vinyl acetate polymer as modifiers in epoxy resins. In particular ethylene-glycidylmethacrylate-vinyl acetate rubber polymers comprising phthalic anhydride modified glycidyl methacrylate monomer units.

Abstract: The invention relates to an efficient process for the preparation of isoolefin polymers such as polyisobutene or butyl rubber by polymerization of isobutene and optionally further monomers in the presence of an initiator system prepared by continuously contacting at least one boron or aluminium compound and at least one initiator.

Abstract: The present invention relates to vulcanisates comprising hydrogenated nitrile rubber (HNBR) and at least one polycyclic aromatic hydrocarbon (PAH), and to the use thereof as belts, gaskets or hoses.

Abstract: The invention concerns 1-amino-3-(oxyalkylalkoxysilyl)-2-propanol-terminated diene rubbers, their preparation and use.

Abstract: A star-branched diene rubber, the process for making such a rubber and its use in high impact polystyrene (HIPS) and acrylonitrile butadiene styrene (ABS) polymers.