Abstract: The invention provides a composition comprising at least the following: A) interpolymer comprising, in polymerized form, ethylene, an ?-olefm and a nonconjugated polyene; B) sulfur; C) at least one phase transfer catalyst (PTC) selected from the group consisting of the following: Formula (1), wherein each R group is, independently, an alky group having from 4 to 32 carbon atoms, and X is a halogen ion; Formula (2), Wherein the R group is an alky group having from 4 to 32, and X is a halogen ion; Formula (3), wherein R1 is the alky group having from 1 to 4 carbon atoms, R2 is an alkyl group having from 1 to 32 carbon atoms, and X is a halogen ion; and combinations of (1), (2) and (3); and D) at least one primary accelerator selected from the group consisting of the following: Formula (a), wherein R is H, or a heterocyclic substituent; Formula (b), wherein M is Zn2+, K+, Na+, Cu2+ or an alkyl ammonium; Formula (c), wherein R? and R? are each, independently, H, an alkyl, a cyclic alkyl, an aromatic, or a heteroc

Abstract: Farnesene interpolymer comprises units derived from a farnesene (e.g., ?-farnesene or ?-farnesene) and units derived from at least one vinyl monomer. The farnesene interpolymer can be prepared by copolymerizing the farnesene and at least one vinyl monomer in the presence of a catalyst. In some embodiments, the farnesene is prepared from a sugar by using a microorganism. In other embodiments, the at least one vinyl monomer is ethylene, an ?-olefin, or a substituted or unsubstituted vinyl halide, vinyl ether, acrylonitrile, acrylic ester, methacrylic ester, acrylamide or methacrylamide, or a combination thereof.

Abstract: Provided herein are polyfarnesenes derived from a farnesene and at least two different vinyl monomers. Also provided herein are polyfarnesenes derived from a farnesene; at least two different vinyl monomers, such as (meth)acrylic acid, (meth)acrylic esters, styrene, and substituted styrenes; and at least one functional comonomer such as maleic anhydride.

Abstract: A polymer comprising a unit represented by the following formula (1); and a process for producing the polymer comprising the step of polymerizing a diene compound such as 9,9-diallylfluorene in the presence of a polymerization catalyst formed by contacting a nickel compound with an organoaluminum compound and/or a boron compound:

Abstract: Disclosed is a method of producing a polyolefin composition comprising contacting a metallocene pre-catalyst, co-catalyst, and a stoichiometric excess of a metal alkyl; adding a first olefin monomer; and polymerizing the first monomer for a time sufficient to form the polyolefin. The method allows for the use of minimum amounts of activating co-catalyst and metallocene pre-catalyst. Also disclosed is a method of producing a block polyolefin composition comprising contacting a metallocene pre-catalyst, a co-catalyst, and a stoichiometric excess of a metal alkyl; adding a first olefin monomer; polymerizing the first monomer for a time sufficient to form the polyolefin; adding a second monomer; and polymerizing the second olefin monomer for a time sufficient to form said block polyolefin composition. Also disclosed are amorphous atactic polymer and copolymer compositions made according to the present invention.

Abstract: Provided herein are polyfarnesenes such as farnesene homopolymers derived from a farnesene and farnesene interpolymers derived from a farnesene and at least a vinyl monomer; and the processes of making and using the polyfarnesenes. The farnesene homopolymer can be prepared by polymerizing the farnesene in the presence of a catalyst such as a Ziegler-Natta catalyst, a Kaminsky catalyst, a metallocene catalyst, an organolithium reagent or a combination thereof. In some embodiments, the farnesene is prepared from a sugar by using a microorganism.

Abstract: A substance and method for treating a subterranean formation using hydraulic fracturing is provided. The method includes treating a formation with a non-metallic deformable proppant that may be substantially deformable, “elastically flexible”, or “plastically compressible.” The method may include the steps of injecting a carrier fluid into the formation at a pressure and a flow rate sufficient to create or open an existing fracture or fracture network in the formation, and placing at least a portion of the deformable proppant in the fracture by way of the carrier fluid so that the deformable proppant forms substantially a partial monolayer in the fracture, and reducing the pressure and/or the flow rate sufficiently to allow the fracture in the formation to at least partially close, wherein at least a portion of the deformable proppant remains in the fracture to prop open at least a portion of the fracture.

Abstract: The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I or is identical to it to a process step for hydroformylation in which isobutene is hydroformylated in the presence of a rhodium catalyst, hydrogenating the aldehyde obtained from the hydroformylation of isobutene to the corresponding alcohol and preparing 3-methylbut-1-ene by water elimination from the alcohol.

Abstract: A method for producing a highly branched polymer, with which a molecular weight can be controlled without using a polymerization inhibitor and a polymer having a controlled molecular weight can be produced safely even in a case of mass production in an industrial scale. A method for producing a highly branched polymer including polymerizing a monomer A having two or more radical polymerizable double bonds in a molecule, in the presence of a polymerization initiator B in an amount of 5% by mol to 200% by mol with respect to 1 mol of the monomer A at a temperature 20° C. higher than a 10-hour half-life temperature of the polymerization initiator B or higher.

Abstract: This invention relates to a process to produce a poly(alpha-olefin)(alpha, internally unsaturated, nonconjugated olefin) comprising: contacting at least one renewable feedstream with at least one lower olefin in the presence of a metathesis catalyst, wherein a mixture of at least one C4 to C40 linear alpha-olefin and at least one alpha, internally unsaturated, nonconjugated olefin is produced; and contacting the mixture with a metallocene catalyst system, wherein a poly(alpha-olefin)(alpha, internally unsaturated, nonconjugated olefin) is produced.

Abstract: The invention relates to a process for the preparation of a polymer comprising monomeric units of ethylene, an ?-olefin and a vinyl norbornene applying as a catalyst system: a. a bridged or an group 4 metal containing an unbridged catalyst having a single cyclopentadienyl ligand and a mono substituted nitrogen ligand, wherein said catalyst is defined by the formula (I): b. an aluminoxane activating compound, c. 0-0.20 mol per mol of the catalyst of a further activating compound, wherein Y is a substituted carbon or nitrogen atom. The invention further relates to a polymer obtainable with the process of the invention.

Abstract: Embodiments of the invention provide a class of mesophase separated ethylene/?-olefin block interpolymers with controlled block sequences. The ethylene/?-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.4. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block ethylene/?-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (‘TREF’), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the ethylene/?-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.4.

Abstract: Provided is an eucommia-derived biopolymer, which is obtained by biologically decaying an eucommia to obtain an eucommia decomposition product, and washing the eucommia decomposition product. The biopolymer is obtained by such a convenient method, and contains mainly a trans-isoprenoid and has a relatively high molecular weight. Therefore, the biopolymer is solid and elastomeric, and is useful as an industrial material.

Abstract: Provided herein are polyfarnesenes such as farnesene homopolymers derived from a farnesene and farnesene interpolymers derived from a farnesene and at least a vinyl monomer; and the processes of making and using the polyfarnesenes. The farnesene homopolymer can be prepared by polymerizing the farnesene in the presence of a catalyst. In some embodiments, the farnesene is prepared from a sugar by using a microorganism.

Abstract: Process for making a copolymer by copolymerising (1) ethylene with (2) at least one comonomer selected from aliphatic C3-C20 alpha-olefins and (3) 5-ethylidene-2-norbornene, including contacting the monomer with a catalyst comprising a transition metal compound having the following Formula A, and an activating quantity of a suitable activator of the formula shown herein, wherein Z comprises a five-membered heterocyclic group, the five membered heterocyclic group containing at least one carbon atom, at least one nitrogen atom and at least one other hetero atom selected from nitrogen, sulphur and oxygen, the remaining atoms in the ring being selected from nitrogen and carbon; M is a metal from Group 3 to 11 of the Periodic Table or a lanthanide metal; E1 and E2 are divalent groups independently selected from (i) aliphatic, hydrocarbon, (ii) alicyclic hydrocarbon, (iii) aromatic hydrocarbon, (iv) alkyl substituted aromatic hydrocarbon, (v) heterocyclic groups and (vi) heterosubstituted derivatives of said groups

Abstract: The invention provides a copolymer rubber excellent in processability in kneading and processability in extrusion; rubber compositions containing the rubber; and crosslinked moldings of the compositions excellent in sealing properties and shape retention. A random copolymer rubber of ethylene (A), a C3-20 ?-olefin (B) and a nonconjugated polyene (C) which satisfies the following requirements (1) to (5): (1) the structural units (A) and (B) are contained at an (A)/(B) molar ratio of 40/60 to 95/5, (2) the structural unit (C) content is 0.01 to 5% by mole, (3) the limiting viscosity [?] is 1.0 to 5.0 dl/g as determined in decahydronaphthalene at 135°., (4) the Mw/Mn is 1 to 8, and (5) the P value is 0.46 to 1.00 as defined by formula (1): P=Ln(limiting viscosity [?])?5.0×105×?*(10) (1) (wherein Ln is a natural logarithm; and ?*(10) is viscosity (Pa·sec) as determined at 190° C. and at 10 rad/sec.

Abstract: The invention provides a composition comprising an ethylene/?-olefin/non-conjugated diene interpolymer, which has the following properties: an Mz(abs)/Mz(Conv) value greater than 1.35; an Mz(BB)/Mw(abs) value greater than 1.6; and a non-conjugated diene content less than 10 weight percent, based on the total weight of the interpolymer. The invention also provides a process for forming a crosslinked composition, said process comprising: (a) forming a polymeric admixture comprising at least the following: (A) an ethylene/?-olefin/non-conjugated diene copolymer rubber (B) which has the following properties: an Mz(abs)/Mz(Conv) value less than 1.3; an Mz(BB)/Mw(abs) value greater than 1.6, but less than 2.5; and an Mw(abs) value less than 350,000 g/mole; and (B) a coupling amount of (i) at least one poly(sulfonyl azide) or (ii) at least one peroxide; and (b) heating the resulting admixture to a temperature at least the decomposition temperature of the crosslinking agent.

Abstract: The present invention relates to a graft copolymer for a transparent thermoplastic polyurethane resin prepared by graft copolymerization of (a) 50-85 weight % of rubber latex having a multi-layered structure composed of an inner layer and an outer layer comprising a conjugated diene monomer and an ethylenically unsaturated aromatic compound in which the refractive index of the inner layer is greater than that of the outer layer; and (b) 15-50 weight % of a C2-C20 vinyl monomer; a method for making same; and a thermoplastic polyurethane resin composition comprising same having excellent color properties, calendaring properties, low temperature impact strength and transparency.

Abstract: A copolymer containing units represented by the defined formula (1) and olefin units; and a process for producing the copolymer, which comprises the step of copolymerizing a compound represented by the defined formula (3) with an olefin, the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 5,5-diallyl-2,2-dimethyl-1,3-dioxane.

Abstract: Disclosed is a method of preparing hollow particles comprising polymerizing a hydrophobic monomer to form a particulate resin exhibiting a number average molecular weight of from 20,000 to 500,000, dispersing the particulate resin in an aqueous medium to form a resin particle dispersion and adding thereto a hydrophobic cross-linkable monomer in an amount of from 0.1 to 50 parts by mass based on 1 part by mass of the particulate resin to polymerize the cross-linkable monomer to form hollow particles.

Abstract: A polymer containing units represented by the defined formula (1); and a process for producing the polymer, which comprises the step of polymerizing a compound represented by the defined formula (3), the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 9,9-diallylfluorene.

Abstract: Embodiments of the invention provide a class of ethylene/?-olefin block interpolymers. The ethylene/?-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block ethylene/?-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (‘TREF’), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the ethylene/?-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.4.

Abstract: A polymer containing units represented by the defined formula (1); and a process for producing the polymer, which comprises the step of polymerizing a compound represented by the defined formula (3), the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 1,6-heptadiene.

Abstract: Compositions comprising a coupled interpolymer such as polybutadiene which may be suitable for HIPS and ABS have been discovered. The coupled interpolymer composition comprises an interpolymer comprising one or more monomeric units derived from a diene wherein the coupled interpolymer composition is characterized by: (A) a halide content of less than about 30 ppm based on the total weight of the coupled interpolymer; (B) a molecular weight distribution of from about 1.6 to about 2.4; and (C) a vinyl content of from about 5 to about 15 weight percent based on the total weight of the coupled interpolymer.

Abstract: Disclosed herein is a multimodal polymer composition comprising 45 to 75 wt % of a first polymer fraction, 25 to 55 wt % of a second polymer fraction, and from 10-50 phr of an extender oil. The multimodal polymer composition has an overall Mooney viscosity of less than 90 ML(1+4@125° C.), and each polymer fraction comprises an ethylene, C3-C10 alpha-olefin, non-conjugated diene polymer, wherein the first polymer fraction has a Mooney viscosity of greater than or equal to about 150 ML(1+4@125° C.), the second polymer fraction has a Mooney viscosity from about 20 to about 120 ML(1+4@125° C.). A process for making the multimodal polymer composition comprising a process utilizing two or more reactors in series is also disclosed.

Abstract: The present invention pertains to crosslinkable and crosslinked polyisobutylene-based polymers, to compositions that contain such polymers, and to medical devices that are formed using such polymers. According to one aspect, the present invention pertains to crosslinkable and crosslinked compositions that comprise a copolymer that comprises a polyisobutylene segment and two or more reactive groups. According to another aspect, the present invention pertains to medical devices that contain such compositions. According to another aspect, the present invention pertains to methods of making medical devices using such compositions.

Abstract: The invention relates to a process for the production of an ultra-high molecular weight polyethylene ((U)HMWPE) article comprising: —copolymerizing ethylene with a linear, branched or cyclic polyene having 3 to 100 carbon atoms, resulting in a copolymer of ethylene and polyene ((U)HMWPE-P), using such a content of polyene that the number of polyene branches in (U)HMWPE-P is 0.01 to 15 on the average per 1000 carbon atoms; —cross-link the (U)HMWPE-P during or after molding the (U)HMWPE-P.

Abstract: A heterogeneous rubbery polymer is provided that includes a polymer chain derived from a vinyl aromatic monomer and a conjugated diolefin monomer, wherein from greater than 20 weight percent to about 40 weight percent of units in the rubbery polymer are derived from the vinyl aromatic monomer and from about 60 weight percent to about 80 weight percent of units in the rubbery polymer are derived from the conjugated diolefin monomer. The polymer chain is further characterized by having greater than zero and less than about 30 weight percent of the vinyl aromatic units in sequences containing 1 vinyl aromatic unit, from about 5 weight percent to about 20 weight percent of the vinyl aromatic units in sequences containing 5 to 8 vinyl aromatic units, and greater than zero and less than about 5 weight percent of the vinyl aromatic units in sequences containing 9 or more vinyl aromatic units.

Abstract: Embodiments of the invention provide a class of propylene/?-olefin block interpolymers. The propylene/?-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block propylene/?-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (‘TREF’), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the propylene/?-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.4.

Abstract: Provided herein are composition comprising a farnesene interpolymer. The farnesene interpolymer can be derived from a farnesene and at least one vinyl monomer. In some embodiments, the mole percent ratio of the farnesene to the at least one vinyl monomer is from about 1:4 to about 100:1. In certain embodiments, the farnesene is ?-farnesene, ?-farnesene or a combination thereof. In some embodiments, the at least one vinyl monomer is ethylene, an ?-olefin such as styrene, or a substituted or unsubstituted vinyl halide, vinyl ether, acrylonitrile, acrylic ester, methacrylic ester, acrylamide or methacrylamide, or a combination thereof.

Abstract: Provided herein are farnesene interpolymers derived from a farnesene and at least one vinyl monomer. In certain embodiments, the farnesene is ?-farnesene, ?-farnesene or a combination thereof. In some embodiments, the at least one vinyl monomer is ethylene, an ?-olefin such as styrene, or a substituted or unsubstituted vinyl halide, vinyl ether, acrylonitrile, acrylic ester, methacrylic ester, acrylamide or methacrylamide, or a combination thereof.

Abstract: Provided herein are composition comprising a farnesene interpolymer. The farnesene interpolymer can be derived from a farnesene and at least one vinyl monomer. In some embodiments, the mole percent ratio of the farnesene to the at least one vinyl monomer is from about 1:4 to about 100:1. In certain embodiments, the farnesene is ?-farnesene, ?-farnesene or a combination thereof. In some embodiments, the at least one vinyl monomer is ethylene, an ?-olefin such as styrene, or a substituted or unsubstituted vinyl halide, vinyl ether, acrylonitrile, acrylic ester, methacrylic ester, acrylamide or methacrylamide, or a combination thereof.

Abstract: A macroporous core-shell resin bead having carboxylic acid groups; the bead has from 3% to 100% of monomer residues derived from crosslinker, an average pore diameter of at least 1.5 nm, and an average particle size from 10 ?m to 900 ?m; wherein at least 90% of the carboxylic acid groups in the bead are in the shell region, and the shell region comprises from 5% to 75% of the bead by volume.

Abstract: Embodiments of the invention provide a class of ethylene/?-olefin block interpolymers. The ethylene/?-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block ethylene/?-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (‘TREF’), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the ethylene/?-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.4.

Abstract: A process for producing a vulcanized molded article of a rubber composition, which comprises the steps of (1) kneading, at least, 100 parts by weight of a defined ethylene-?-olefin-non-conjugated polyene copolymer rubber (A), 1 to 150 parts by weight of a reinforcement (B), and 1 to 150 parts by weight of a softener (C), (2) mixing the resultant kneaded product with 0.1 to 10 parts by weight of a vulcanizing agent (D), and (3) hot forming the resultant rubber composition; and a vibration-proof material comprising a vulcanized molded article of a rubber composition produced by the above process.

Abstract: The application provides propylene polymer including at least 80 mol % units derived from propylene and less than 0.5 mol % units derived from a tertiary diene wherein said tertiary diene is not a 1,4-diene, said polymer including 1-50 tertiary double bonds per 10,000 carbon atoms of the main chain of said polymer. The polymer may be obtained using a Ziegler Natta catalyst. The application further provides a long chain branched propylene polymer obtainable from the afore-mentioned propylene polymer including tertiary double bonds.

Abstract: The invention provides a structural member having an excellent ability to prevent the nonspecific adsorption of a biomolecule and a labeling substance to the surface of a substrate, and a method of producing the structural member. The structural member includes a substrate and a polymer present on a surface of the substrate, in which the polymer is formed from a polymer of a multi-vinyl monomer represented by the following general formula (I) or (II), and has a crosslinked structure: where R, R?, and R? are independently a hydrogen atom or a methyl group, and X represents a hydrophilic functional group in which fifteen or more atoms are linked in series.

Abstract: The invention relates to a process for the preparation of a polymer comprising monomeric units of ethylene, an ?-olefin and a vinyl norbornene applying as a catalyst system: a. a bridged or an group 4 metal containing an unbridged catalyst having a single cyclopentadienyl ligand and a mono substituted nitrogen ligand, wherein said catalyst is defined by the formula (I): b. an aluminoxane activating compound, c. 0-0.20 mol per mol of the catalyst of a further activating compound, wherein Y is a substituted carbon or nitrogen atom. The invention further relates to a polymer obtainable with the process of the invention.

Abstract: This application relates to an ethylene polymer having a weight average molecular weight of at least 120,000 including 1-50 tertiary double bonds per 10,000 carbon atoms.

Abstract: The present disclosure describes a two-step batch dispersion polymerization process for the preparation of substantially uniformed-sized functional (co)polymer particles. The first step of the process includes polymerizing at least one first radically (co)polymerizable monomer by a free radical polymerization process to form a (co)polymer in a stable colloidal dispersion and the second step includes polymerizing the at first radically (co)polymerizable monomer or an additional radically (co)polymerizable monomer in the stable colloidal dispersion by a living/controlled radical (co)polymerization process.

Abstract: A polymer comprising a unit represented by the following formula (1); and a process for producing the polymer comprising the step of polymerizing a diene compound such as 9,9-diallylfluorene in the presence of a polymerization catalyst formed by contacting a nickel compound with an organoaluminum compound and/or a boron compound:

Abstract: Vinyl functional olefin polymers are prepared by polymerizing hexadiene or copolymerizing C2-C4-?-olefin, e.g., propylene, and hexadiene in the presence of a 2,1-insertion catalyst.

Abstract: A flower-like nano-particle composition including a poly(alkenylbenzene) core and a poly(conjugated diene) or a poly(alkylene) surface layer is provided. The nano-particles have a mean average diameter less than about 100 nm and are substantially free of chain ends. The nano-particles can be modified via, for example, hydrogenation. The nano-particles can advantageously be incorporated into rubbers, elastomers, and thermoplastics.

Abstract: This invention relates to a novel polymerization initiator capable of introducing an active amino proton into a polymerization starting terminal without losing polymerization activity, and a novel modified conjugated diene polymer being excellent in the interaction with a filler and capable of improving a low heat buildup of a rubber composition, and more particularly to a polymerization initiator being a diamine compound in which one amino group is protected with a silylating agent and an active proton of the other amino group is replaced with an alkali metal or an alkaline earth metal, and a modified conjugated diene polymer which can be produced by using such a polymerization initiator and is a homopolymer of a conjugated diene compound or a copolymer of a conjugated diene compound and an aromatic vinyl compound and has a residue derived from a diamine compound at its polymerization starting terminal.

Abstract: The present invention describes the synthesis of solvent soluble copolymers containing multiple unsaturations. These copolymers contain reactive vinyl groups, which can be further reacted in a second stage polymerization. The process involves copolymerization of a vinyl monomer with an inclusion complex of a monomer having multiple unsaturations and a cyclic macromolecular compound to yield soluble polymers. These polymers may be cast into films, membranes or may be converted in micro or nanoparticles and then crosslinked in a second step polymerization.

Abstract: Shear-thinning ethylene/?-olefin and ethylene/?-olefin/diene monomer interpolymers that do not include a traditional branch-inducing monomer such as norbornadiene are prepared at an elevated temperature in an atmosphere that has little or no hydrogen using a constrained geometry complex catalyst and an activating cocatalyst.

Abstract: The invention provides a copolymer rubber excellent in processability in kneading and processability in extrusion; rubber compositions containing the rubber; and crosslinked moldings of the compositions excellent in sealing properties and shape retention. A random copolymer rubber of ethylene (A), a C3-20 ?-olefin (B) and a nonconjugated polyene (C) which satisfies the following requirements (1) to (5): (1) the structural units (A) and (B) are contained at an (A)/(B) molar ratio of 40/60 to 95/5, (2) the structural unit (C) content is 0.01 to 5% by mole, (3) the limiting viscosity [?] is 1.0 to 5.0 dl/g as determined in decalin at 135° C., (4) the Mw/Mn is 1 to 8, and (5) the P value is 0.46 to 1.00 as defined by formula (1): P=Ln(limiting viscosity [?]?5.0×105×?*(10) (1) (wherein Ln is a natural logarithm; and ?*(10) is a viscosity (Pa·sec) as determined at 190° C. and at 10 rad/sec).

Abstract: The present invention provides a process for producing an ethylene-?-olefin-unconjugated polyene random copolymer in an aliphatic hydrocarbon solvent under conditions of high-temperature and high-activity. The process comprises polymerizing at least the following components (a)-(c) in an aliphatic hydrocarbon solvent in the presence of a catalyst comprising (A) a transition metal complex having at least one cyclopentadienyl skeleton and (B) an organoaluminum compound and (C) a boron compound as co-catalysts wherein at least a part of the polyene (c) and at least a part of the boron compound (C) are previously contacted with each other before they are introduced into a polymerization reactor: (a): ethylene (b): an ?-olefin of 3-20 carbon atoms (c): a polyene.

Abstract: Rubbery polymers can be formed having the general formula: R1R2N—(CH2)n—X—CH2—CHR3R4 wherein R1 and R2 are independently selected from a group consisting of alkyls, cycloalkyls, alkenyls, cycloalkenyls, aryls, phenyls, heterocycles, acyls, and silanes, or R1 in combination with R2 forms a heterocyclic ring; n is an integer from 1 to 20; X is selected from a group consisting of sulfur, a phosphorus moiety, and a silicon moiety; R3 and R4 are one of hydrogen, alkyls, alkenyls, and at least one of which includes reactive unsaturation such as an alkenyl group. Moreover, this invention discloses a process of making functionalized rubbery polymers from the functionalized monomers.

Abstract: An olefin polymerization catalyst which includes an organometallic compound of the following Formula 1; aluminoxane; and an organic transition metal compound of the following Formula 2: M1R11R2mR3n or R2mR3nM1R11M1R2mR3n??[Formula 1 ] in Formula 1, M1 is selected from the group consisting of Group 2A, 2B and 3A of the Periodic Table, R1 is cyclic hydrocarbyl group of 5 to 30 carbon atoms, R2 and R3 are independently hydrocarbyl group of 1 to 24 carbon atoms, l is an integer of more than 1, m and n are independently an integer of 0 to 2, l+m+n is equal to the valence of M1, Q is a divalent group; M2R4pXq??[Formula 2 ] in Formula 2, M2 is Ti, Zr or Hf; R4 is cyclic hydrocarbyl group of 5 to 30 carbon atoms, X is halogen atom, p is an integer of 0 or 1, q is an integer of 3 or 4, p+q is equal to the valence of metal M2.