Abstract: Embodiments are directed to monophosphaguanidine ligands and the bis ligated metal-complexes formed therefrom, wherein the metal-ligand complexes are polymerization catalysts comprising the following structure (I).

Abstract: A resist underlayer film not undergoing intermixing with a resist layer, having high dry etching and heat resistance, exhibiting high temperature low mass loss, and exhibiting even stepped substrate coatability, includes a polymer containing a unit structure of the formula (1): The unit structure of formula (1) is a unit structure of the formula (2): A method for producing a semiconductor device, includes forming, on a semiconductor substrate, a resist underlayer film using a resist underlayer film-forming composition, forming a hard mask on the resist underlayer film, a resist film on the hard mask, a resist pattern by irradiation with light or an electron beam and development of the resist film, a pattern by etching the hard mask using the resist pattern, a pattern by etching the underlayer film using the patterned hard mask, and processing the substrate using the patterned resist underlayer film.

Abstract: A process including contacting one or more monomers, at least one catalyst system, and a condensing agent including propane and isobutane under polymerizable conditions to produce a polyolefin polymer is provided.

Abstract: The present invention relates to a process for the preparation of a procatalyst suitable for preparing a catalyst composition for olefin polymerization, said process comprising the steps of: Step A) providing or preparing a Grignard compound; Step B) contacting the Grignard compound an alkoxy- or aryloxy silane compound, to give a solid support; Step C) optionally contacting the solid support obtained with at least one activating compound; and Step D) reacting the (activated) support with a halogen-containing Ti-compound as catalytic species, an activator and at least one internal electron donor in several sub steps wherein the internal donor is added in portions during at least two of said stages to obtain a procatalyst. The invention moreover relates to a procatalyst, a catalytic system comprising said procatalyst and to a process to prepare polyolefins using said catalyst system and the polyolefins obtained therewith.

Abstract: Provided is a solid catalyst component for olefin polymerization comprising an electron-donating compound other than a phthalate, the solid catalyst component being equal in the olefin-polymerizing activity and in the primary physical properties of the resulting polymer such as stereoregularity and molecular weight distribution to those with use of a phthalate as an electron-donating compound. A solid catalyst component for olefin polymerization comprises a magnesium atom, a titanium atom, a halogen atom, an ester compound (A) represented by a general formula (1) and a diester compound (B) represented by a general formula (2), wherein a ratio represented by the following expression: (content (mass %) of ester compound (A)/content (mass %) of diester compound (B)) is 0.05 to 50.

Abstract: Silica composites and supported chromium catalysts having a bulk density of 0.08 to 0.4 g/mL, a total pore volume of 0.4 to 2.5 mL/g, a BET surface area of 175 to 375 m2/g, and a peak pore diameter of 10 to 80 nm are disclosed herein. These silica composites and supported chromium catalysts can be formed by combining two silica components. The first silica component can be irregularly shaped, such as fumed silica, and the second silica component can be a colloidal silica or a silicon-containing compound, and the second silica component can act as a glue to bind the silica composite together.

Abstract: Provided in this disclosure are organometallic complexes that contain i) a metal atom selected from Hf and Zr; 2) a phosphinimine ligand; 3) an amido-ether ligand and at least one other ancillary ligand. The use of such a complex, in combination with an activator, as an olefin polymerization catalyst is demonstrated. The catalysts are effective for the copolymerization of ethylene with an alpha olefin (such as 1-butene, 1-hexene, or 1-octene) and enable the production of high molecular weight copolymers (Mw greater than 25,000) with good comonomer incorporation at high productivity.

Abstract: This invention relates to transition metal complexes represented by the formula: catalyst systems comprising the complexes, and polymerization methods for olefinic monomers using the catalyst systems. In said formula, M is a transition metal; E is NR2, CR3R4, O, S, or SiR5R6; Q is optional substitution; p is an integer ranging from 0 to 3; L is an optional neutral ligand; m is an integer ranging from 0 to 3; X is an anionic leaving group; n is 1 or 2, with m+n being 4 or less; J is a linker group contributing two or three atoms that are located within a first chelate ring; R1 and R1? are independently a hydrocarbyl group or a trihydrocarbylsilyl group; R2 is a hydrocarbyl group; R3 and R4 are independently H, a hydrocarbyl group, or a trihydrocarbylsilyl group; and R5 and R5 are independently a hydrocarbyl group.

Abstract: A Brønsted-Lowry acid initiator system for cationic polymerization of an ethylenically unsaturated monomer involves an initiator having a structure of Formula (I) in an anhydrous polymerization medium: where: M is tantalum (Ta), vanadium (V) or niobium (Nb); R1, R2, R3 and R4 are the same or different and are independently H, F, Cl, Br, I, alkyl or aryl, or two or more of R2, R3, R4 and R5 on a same benzene ring are taken together to form a bicyclic, tricyclic or tetracyclic moiety with the benzene ring, with the proviso that all of R1, R2, R3 and R4 on the same benzene ring are not H; L is absent or a molecule that coordinates to H+; and, x is 0 when L is absent, or x is 0.5 or more when L is present.

Abstract: Embodiments are directed to catalyst systems comprising at least one metal ligand complex and to processes for polyolefin polymerization incorporating the catalyst systems.

Abstract: A solid precatalyst component for use in olefinic polymerization, includes titanium, magnesium, and an electron donor compound; wherein: the electron donor compound is at least one compound represented by Formula (I).

Abstract: Embodiments of the present disclosure are directed to multimodal elastomers produced by olefin polymerization with a mixed catalyst system, specifically, a constrained geometry catalyst and a biphenyl phenol catalyst. The multimodal elastomers may be incorporated as impact modifiers in thermoplastic olefins.

Abstract: Provided are a novel catalyst component for producing an ?-olefin (co)polymer, and a production method using the same. A metal complex is obtainable by contacting a compound represented by the general formula [I] or [II] with a transition metal compound containing a transition metal belonging to 9th to 11th group: wherein R1, R2, R3 and R4 represent (i) hydrogen, (ii) a halogen, (iii) a linear alkyl or the like, or (iv) OR9 or the like; R5 and R6 represent a linear alkyl group or the like; any one of R1-R6 may have a heteroatom or a heteroatom containing group; E1 represents phosphorus, arsenic or antimony; X1 represents oxygen or sulfur; Z represents hydrogen or a leaving group.

Abstract: Cyclopentene monomers and methods of polymerization, including the polymerization of the cyclopentene monomers. The cyclopentene monomers include allylic substituted cyclopentene monomers that may be racemic or enantiopure. The methods of polymerization may permit the resulting polymers to have one or more desirable structural features.

Abstract: Provided in the present invention is a solid catalyst component for use in olefin polymerisation, comprising Mg, Ti, a halogen, and at least one electron donor, the electron donor being a 2-substituted amino-phenyl ester compound selected from general formula (I). Also disclosed in the present invention are a catalyst comprising the solid catalyst component, and an application for the catalyst in olefin polymerisation, particularly in propylene polymerization. Also provided in the present invention is a high activity catalyst, said catalyst being able to obtain polypropylene of high isotacticity and wide molecular weight distribution, and not requiring an external electron donor to obtain high isotacticity polypropylene; during polymerization, Al/Ti and Al/Si are reduced, the polymerization time is lengthened, and high activity can still be maintained, suitable for producing low-ash polymers.

Abstract: Improved electrodes and currents through the use of organic and organometallic high dielectric constant materials containing dispersed conductive particles in energy storage devices and associated methods are disclosed. According to an aspect, a dielectric material includes at least one layer of a substantially continuous phase material comprising a combination of organometallic having delocalized electrons, organic compositions and containing metal particles in dispersed form, in another aspect, the novel material is used with a porous electrode to further increase charge and discharge currents.

Abstract: An organic semiconductor element in which an organic semiconductor layer contains a compound of Formula (1) and/or a compound of Formula (2) or the organic semiconductor layer contains a polymer having a structure of any one of Formulae (6) to (8): in which Rings A and B each represent an aromatic 5-membered ring, X represents a nitrogen atom or CRX, and RX represents a hydrogen atom or a substituent; E represents an oxygen atom or a sulfur atom; R1 to R4 each represent a specific substituent; and p, q, r, and s each are an integer of 0 to 2; n is 1 or 2; and * represents a bonding site.

Abstract: Disclosed is a solution polymerization process, or, alternatively, a method of delivering powder catalysts to a solution polymerization reactor, comprising combining a homogeneous single-site catalyst precursor with ?-olefin monomers to form a polyolefin, wherein the homogeneous single-site catalyst precursor is in the form of (i) a dry powder, (ii) suspended in a aliphatic hydrocarbon solvent, or (iii) suspended in an oil or wax, wherein the homogeneous single-site catalyst precursor is at a concentration greater than 0.8 mmole/liter when suspended in the aliphatic hydrocarbon solvent prior to entering the solution polymerization reactor.

Abstract: Provided are a novel catalyst component for producing an ?-olefin (co)polymer, and a production method using the same. A metal complex is obtainable by contacting a compound represented by the general formula [I] or [II] with a transition metal compound containing a transition metal belonging to 9th to 11th group: wherein R1, R2, R3 and R4 represent (i) hydrogen, (ii) a halogen, (iii) a linear alkyl or the like, or (iv) OR9 or the like; R5 and R6 represent a linear alkyl group or the like; any one of R1-R6 may have a heteroatom or a heteroatom containing group; E1 represents phosphorus, arsenic or antimony; X1 represents oxygen or sulfur; Z represents hydrogen or a leaving group.

Abstract: The present invention relates to a process for the preparation of a procatalyst suitable for preparing a catalyst composition for olefin polymerization, said process comprising the steps of: Step A) providing or preparing a Grignard compound; Step B) contacting the Grignard compound with a silane compound to give a first intermediate reaction product being a solid support; Step C) activating said solid support, comprising two sub steps: Step C1) contacting the solid support obtained in step B) with at least one first activating compound and a second activating compound; and Step C2) a second activation step by contacting the activated solid support obtained in step C1) with an activating electron donor; to obtain a second intermediate reaction product; Step D) reacting the second intermediate reaction product obtained in step C) with a halogen-containing Ti-compound, optionally an activator and at least one internal electron donor in several sub steps to obtain said procatalyst.