Abstract: The present disclosure relates to a catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, (C) an activator, and (D) a chain shuttling agent.

Abstract: A method may include introducing into a wellbore a resin-based sealant composition comprising: a resin comprising a cycloalkene; and a transition metal compound catalyst; and allowing the resin-based sealant composition to harden in the wellbore.

Abstract: Catalyst systems with single site transition metal complexes (such as pyridyldiamido transition metal complexes), an activator, and a metal hydrocarbenyl chain transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed for use in alkene polymerization.

Abstract: A method of carrying out a metathesis reaction includes the combination of at least one alkene or non conjugated diene with a Ruthenium-based catalyst with an cyclic(alkyl)(amino)carbene ligand to form a reaction mixture and heating the reaction mixture to a temperature of 100° C. or greater. The reaction can be an ADMET, ROMP, a metathesis ring-closure or an olefin exchange reaction.

Abstract: A two-component (meth) acrylic adhesive excellent in peel strength at low temperature and impact resistance is provided. A composition comprising components of (1) to (4): (1) a polymerizable vinyl monomer comprising (1-1) to (1-4); (2) a polymerization initiator; (3) a reducing agent; and (4) an elastomer having no polymerizable unsaturated double bond at the end and having 10 to 30 mol % of a (meth) acrylonitrile. A composition comprising components of (1) to (4): (1) a polymerizable vinyl monomer comprising (1-1) to (1-4); (2) a polymerization initiator; (3) a reducing agent; (4) an elastomer having a polymerizable unsaturated double bond at the end and having 10 to 30 mol % of a (meth) acrylonitrile; and (5) an elastomer having no polymerizable unsaturated double bond at the end.

Abstract: The present invention aims to provide a resin having an excellent solubility to alcohols, an excellent adherability to nonpolar base materials such as polyolefin, and not containing chlorine; and to provide a resin composition containing a urethane resin, not having the elimination problem of hydrochloric acid caused by external factors, having a good compatibility with a variety of components containing urethane resins, and having a good adherability to a variety of base materials, so that the resin composition can suitably be used as an ink, an adhesive, and paint.

Abstract: The invention provides a process to form a “functionalized ethylene-based polymer” from an ethylene-based polymer and at least one polar compound, said process comprising thermally treating a composition comprising the ethylene-based polymer, the at least one polar compound, and at least one peroxide, in at least one extruder comprising at least one barrel, to form a polymer melt; and wherein the at least one peroxide has a half life, at the maximum barrel temperature of the at least one extruder, of less than of the minimum residence time of the polymer melt in the at least one extruder. The invention further provides a composition comprising at least the following: a) an ethylene-based polymer comprising a melt viscosity, at 350° F. (177° C.), less than 50.000 cP, and b) at least one peroxide comprising a half-life from 0.10 to 2.00 minutes, at a temperature from 160° C. to 190° C.

Abstract: The present invention relates to coating compositions formed by combining two latex resins: a base latex resin and a stratifying latex resin. The stratifying latex resin comprises at least one “driver” to promote migration of the stratifying latex to the surface of the coating during curing or drying. Drivers may be selected from one or more of fluorine containing monomers incorporated into the stratifying latex, long chain acrylate monomers, such as lauryl methacrylate, wax, small particle size, or relatively low Tg.

Abstract: A process for making a hyperbranched polyethylene. The process has the steps of (a) reacting a multifunctional acrylate monomer with an ?,?-diene monomer in the presence of a first catalyst to form an alternating acrylate/diene copolymer and (b) reacting the alternating acrylate/diene copolymer with a late transition metal ?-diimine catalyst to form a multi-nuclear initiator for chain walking polymerization of ethylene. There is also a process for forming a multi-nuclear initiator. There is also a hyperbranched polymer.

Abstract: This invention relates to a process to alter comonomer distribution in a copolymer (as compared to a copolymer made absent the Lewis base modifier) comprising contacting ethylene and one or more C3 to C40 comonomers; with a catalyst system comprising: 1) a Lewis base modifier; 2) an activator; and 3) a bridged bisindenyl group 4 transition metal metallocene catalyst compound having a hydrogen atom at least one 2 position.

Abstract: A method for providing a polymer having terminal functionality involves reacting a terminally active polymer with an ?,?-ethylenically unsaturated compound that includes a group 2-13 element so as to provide a functionalized polymer. The resulting polymer exhibits enhanced interactivity with particulate fillers and can be used in the manufacture of vulcanizates.

Abstract: Provided are a multi-block copolymer, a pressure-sensitive adhesive composition, a method of preparing a multi-block copolymer, a pressure-sensitive adhesive polarizing plate, and a liquid crystal display device. The pressure-sensitive adhesive composition including the multi-block copolymer may have excellent durability regardless of a temperature and/or humidity. In addition, the method of preparing a multi-block copolymer may prepare a multi-block copolymer increased in molecular weight which is structurally controlled with a simple process using a compound containing at least two halogen atoms. Accordingly, when included in a pressure-sensitive adhesive resin, the multi-block copolymer may have excellent cohesive strength in the resin, and a network structure during curing, and thus, when applied to a pressure-sensitive adhesive composition, the multi-block copolymer may be usefully applied to an optical member due to excellent durability regardless of a temperature and humidity.

Abstract: The present invention relates to a process of producing an ethylene polymer composition in multiple stages, of which the first stage is preferably a slurry polymerization stage, in the presence of a catalyst system, comprising: a) a solid catalyst precursor, comprising a transition metal selected from titanium and vanadium; magnesium; a halide, optionally an electron donor; and a solid particulate material comprising an inorganic oxide, and wherein the median particle diameter, D50, of the solid catalyst precursor, based upon the total volume of solid catalyst precursor, is from 1 to 13 micrometers; and b) an organoaluminium compound.

Abstract: In the present invention, the two-pack type curable resin composition using a compound having one or more (meth)acrylic groups in the molecule enables both of prolongation of a working life and maintenance of physical properties of a cured product. Prior art had a difficulty in controlling a working life continuously; however, the present invention can easily control the working life and therefore makes it possible to be used in various conditions. Provided is a two-pack type curable resin composition, containing components (A) to (E): component (A) being a compound having one or more (meth)acrylic groups in the molecule thereof; component (B) being hydroperoxide; component (C) being at least one type of copper compound and vanadium compound; component (D) being a compound having 2 to 6 thiol groups in the molecule thereof; and component (E) being saccharin.

Abstract: Embodiments of the invention provide a comb architecture olefin block copolymer, a method of making the comb olefin block copolymer and blends comprising the comb olefin block copolymer.

Abstract: The invention relates to a controlled polymerization process for preparing (meth)acrylate-based AB diblock copolymers with a B block which has a narrow monomodal molecular weight distribution, and an A block which has a broad monomodal molecular weight distribution, and to the use thereof, for example, as a binder in adhesives or sealants.

Abstract: This invention relates to methods for producing an alkene terminated polystyrene, including: contacting a styrenic block copolymer and an alkene in the presence of a metathesis catalyst under conditions sufficient to produce an alkene terminated polystyrene having an unsaturation functionality of at least 0.7 and a MWD of about 1.5 or less. Methods for producing functionalized polymers and polyethylene blend composition comprising these functionalized polymers are also disclosed.

Abstract: The invention relates to a controlled polymerization process for preparing (meth)acrylate-based AB diblock copolymers with a B block which has a narrow monomodal molecular weight distribution, and an A block which has a broad bimodal molecular weight distribution, and to the use thereof, for example, as a binder in adhesives or sealants.

Abstract: A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Abstract: The present invention is directed to a polypropylene composition comprising a propylene homo- or copolymer (A) with a polydispersity index (PI), determined according ISO 6721-1, of at least 5.8 Pa?1; and an inorganic filler (B) in an amount from 2.0 to 20 parts per weight based on 100 parts per weight of (A)+(B); The present invention is furthermore directed to a polypropylene composition comprising a propylene homo- or copolymer (A); and an inorganic filler (B); whereby the following relation is fulfilled (80F+1700)MPa?T wherein F are the parts per weight of component (B) based on 100 parts per weight of the total amount of (A)+(B). T is the tensile modulus in MPa, determined according to ISO 527-2, of the polypropylene composition measured on a test specimen prepared by injection molding according to ISO 1873-2.

Abstract: An object of the present invention is to provide an inorganic-organic hybrid particle which has a structure where an organic material composed of two or more different components forms separate phases, wherein an inorganic material is included in the phase, and a method for producing the inorganic-organic hybrid particle. The above object is solved by an inorganic-organic hybrid particle which has a structure where an organic material composed of two or more different components forms separate phases, wherein one or more inorganic materials are included in at least one phase.

Abstract: The composition and preparation of multifunctional graft polymers useful as dispersants are described. The dispersants described are suitable for controlling sludge and varnish as well as soot, friction and wear. The product is useful as a lubricant additive.

Abstract: This invention relates to a composition comprising a multiblock polyolefin represented by the formula: PO-(—C?C—Z—)n—C?C-PO*??(I) or PO-(—C—C—Z—)n—C—C-PO*??(Ia) wherein Z is the portion of a cyclic monomer having at least one internal double bond that remains after a ring-opening metathesis reaction; PO and PO* are each independently polyolefins; and n is 1 to 10,000; and a process to produce such comprising contacting an alkene metathesis catalyst with a dimer of vinyl terminated polyolefins, and a cyclic hydrocarbyl monomer comprising at least one internal double bond.

Abstract: A process of degrading nitrile rubbers comprises subjecting them to a metathesis reaction in the presence of specific catalysts with increased activity.

Abstract: The present invention relates to an unsaturated polyester resin composition comprising (a) an unsaturated polyester, (b) a vinyl group containing organic compound as reactive diluent and (c) a transition metal compound, wherein the resin composition comprises (d) a compound according to formula (1) as reactive diluent whereby n=0-3; R1 and R2 each individually represent H, C1-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl, C7-C20 alkylaryl or C7-C20 arylalkyl; X=O, S or NR3 whereby R3=H, C1-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl, C7-C20 alkylaryl, C7-C20 arylalkyl, part of a polymer chain or attached to a polymer chain, and the composition comprises at least one transition metal compound (c) selected from the group consisting of Co, Cu, Mn and Fe compounds; and the resin composition comprises, as vinyl group containing organic compound (b), styrene, a styrene derivative, a vinyl ether, a vinyl amine, a vinyl amide or a mixture of at least two of these compounds

Abstract: The present invention relates to a method for producing a cationic surface sizing agent, and contains a first step of obtaining a copolymer (A) by solution-polymerizing a monomer mixture containing a monomer having a tertiary amino group (a), a specific (meth)acrylic acid ester (b) and styrenes (c) in the specific proportion in the presence of a chain transfer agent; a second step of obtaining a copolymer (B) by polymerizing the copolymer (A) and a hydrophobic monomer (d), in order to have a specific proportion of the copolymer (A), in an oxidation-reduction system using a water-soluble free-radical initiator and a heavy metal salt in the absence of a surfactant; and a third step of obtaining a quaternary ammonium salt of the copolymer (B) by quaternizing a tertiary amino group present in the copolymer (B).

Abstract: This invention relates to a process to functionalize propylene co-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(?0.94 (mol % ethylene incorporated)+100), when 10 to 60 mol % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mol % ethylene is present in the co-oligomer, and 3) X=(1.83*(mol % ethylene incorporated)?83), when 70 to 90 mol % ethylene is present in the co-oligomer.

Abstract: A graft copolymer having a side chain graft-polymerized by atom transfer living radical polymerization (ATRP) on a main chain polymerized by organotellurium-mediated living radical polymerization (TERP), wherein the molecular weight distribution is such that Mw/Mn is 1.5 or less. The graft copolymer is also such that a main chain moiety mainly consisting of the main chain and a side chain moiety mainly consisting of the side chain have microphase-separated structures. The graft copolymer has a narrow molecular weight distribution and forms microphase-separated structures through self organization of hydrophobic and hydrophilic moieties.

Abstract: The present invention relates to a graft polymer of (a) a polyalphaolefin having a weight average molecular weight of less than 15000 and a polydispersity of 1.1 to 10; (b) a nitrogenous, ethylenically unsaturated, aliphatic or aromatic, graftable monomer having from 2 to about 50 carbon atoms; and (c) an organo-metallic compound selected from organo-molybdenum, organo-titanium, organo-manganese compounds and mixtures thereof; a process for making the graft polymer; and a lubricating oil composition comprising a major amount of a base oil and a minor amount of the graft polymer.

Abstract: This invention relates to methods for producing an alkene terminated polystyrene, including: contacting a styrenic block copolymer and an alkene in the presence of a metathesis catalyst under conditions sufficient to produce an alkene terminated polystyrene having an unsaturation functionality of at least 0.7 and a MWD of about 1.5 or less. Methods for producing functionalized polymers and polyethylene blend composition comprising these functionalized polymers are also disclosed.

Abstract: The present invention relates to synthetic methods for grafting hydrophilic chains onto polymers, particularly hydrophobic polymers such as poly(vinyl chloride) (PVC), poly(vinylidene fluoride) (PVDF), and chlorinated polypropylene (cPP). Resulting polymers include comb polymers which can have a microphase-separated structure of hydrophilic domains provided by the hydrophilic chains. Articles prepared from these comb polymers, particularly derived from PVDF, include membranes for water filtration in which the hydrophilic domains provide a pathway for water transport. PVC can be plasticized by grafting the PVC with hydrophilic chains. In addition, such articles, particularly articles having biomedical applications, can display anti-thrombogenic properties.

Abstract: The present invention relates to a process for the preparation of a propylene homo- or copolymer, comprising the following steps: (i) feeding propylene and hydrogen, and optionally one or more comonomers, to a reactor R1, wherein the hydrogen is fed to the reactor R1 in a periodically varying amount, (ii) preparing a first fraction of the propylene homo- or copolymer in the reactor R1 in the presence of a catalyst, (iii) transferring the first fraction to a reactor R2, and (iv) preparing a second fraction of the propylene homo- or copolymer in the reactor R2, wherein the melt flow rate MFR (2.16 kg, 230° C.) of the propylene homo- or copolymer is higher than the melt flow rate MFR (2.16 kg, 230° C.) of the first fraction.

Abstract: An aqueous dispersion containing a graft copolymer satisfying (a) to (e) and water: (a) a graft rate is 1 to 150% by mass, (b) a weight average molecular weight is 500 to 400000, (c) a molecular weight distribution is 1.5 to 4, (d) a main chain containing a monomer unit having a hydrophilic group and (e) an ?-olefin homopolymerization or ?-olefin/ethylene copolymerization side chain, wherein a mesopentad ratio [mmmm] of the polymerization chain is 30 to 80 mole %.

Abstract: A polypropylene resin having: (1) a melt flow rate (MFR) of 6 to 100 g/10 minutes, (2) a molecular weight distribution (Mw/Mn), measured by gel permeation chromatography, of 3 to 6, and (3) a 116° C. non-eluted component content (100-W116(%)) of 50% or more and a content of components eluted at 90° C. or less (W90) of 10 to 30%, measured by temperature-rising fractional chromatography (TREF).

Abstract: A novel process for reducing the molecular weight of nitrile rubber in the presence of specific catalyst systems containing the metathesis catalyst and also a specific addition of fluorine-containing boron compounds is provided.

Abstract: The invention relates to a multiblock polyolefin, and methods to make a multiblock polyolefin, represented by the formula (X) or (XII): PO—C(R11)(R12)—C(R13)?C(R14)—C(O)—O—((CR15R16)z—(CR17R18)m—O)n—R19??(X) or PO—C(R11)(R12)—C(R13)?C(R14)—C(O)—O—((CR15R16)z—(CR17R18)mO)n—C(O)—C(R14)?C(R13)—C(R12)(R11)—PO??(XX) wherein R11, R12, R13, and R14 are each independently a substituted or unsubstituted C1, through C4 hydrocarbyl group or a hydrogen; R15, R16, R17, and R18 are each independently a substituted or unsubstituted C1 through C4 hydrocarbyl group or a hydrogen; R19 is a C1 to a C20 substituted or unsubstituted hydrocarbyl group or a hydrogen; z is ?1 to about 5; m is ?1 to about 5; PO is a polyolefin hydrocarbyl group comprising 10 to 4000 carbon atoms; and n is from 1 to about 10,000.

Abstract: A graft copolymer satisfying (a) to (e): (a) a main chain derived from one or more monomers selected from (I) an acrylic acid, (II) a methacrylic acid, (III) a vinyl ester, (IV) a styrene and (V) a vinyl group-containing silane compound, at least one kind of the monomer having a crosslinkable functional group, (b) a side chain derived from a reactive homopolymer ?-olefin having a meso pentad fraction (mmmm) of from 30 to 80% by mol or a copolymer of 50% by mass or more of at least one ?-olefin, (c) a graft ratio of from 1 to 150% by mass, (d) a weight average molecular weight of from 500 to 400,000, and (e) a molecular weight distribution (Mw/Mn) of from 1.5 to 4.

Abstract: The present invention relates to a polycycloolefin (PCO) thermoset network assembly and a process for its preparation obtainable by polymerising a first reactive composition comprising a norbornene-type cycloolefin monomer in the presence of a Mo- or W-catalyst to obtain a PCO-Mo/W-network and polymerising a second reactive composition comprising a nor-bornene-type cycloolefin monomer in the presence of a Ru-catalyst on said PCO-Mo/W-network to obtain a PCO thermoset network assembly.

Abstract: A method for transitioning from a Ziegler-Natta to a Phillips catalyst system for the olefin polymerization reaction in one reactor, preferably a gas phase reactor, is described. The method comprises the steps of a) discontinuing a first olefin polymerization reaction performed in the presence of the Ziegler-Natta catalyst system; b) performing a second olefin polymerization reaction in the presence of a further catalyst system comprising catalyst components (A) and (B) producing, respectively, a first and a second polyolefin fraction, wherein the Mw of the first polyolefin fraction is less than the Mw of the second polyolefin fraction and the initial activity of catalyst component (A) exceeds the initial activity of catalyst component (B); and c) performing a third olefin polymerization reaction the presence of the Phillips catalyst system.

Abstract: A metallocene complex by which high uptake efficiency of ethylene and/or ?-olefin can be obtained compared with the conventional metallocene catalyst, and robber component having high molecular weight can be polymerized, and polymerization method of olefin. Metallocene complex (metallocene complex having furyl or thienyl group in which substituent exists at 5-position of indenyl ring, and substituent may exist at 2-position of indenyl ring, and the like) represented by the general formula [II], the catalyst for olefin polymerization characterized by comprising said metallocene complex, and polymerization method of olefin characterized that polymerization or copolymerization of olefin is carried out using said polymerization catalyst for olefin, and the like.

Abstract: This invention relates to a polymer of a cyclic olefin and a vinyl terminated macromonomer, and processes for the production thereof.

Abstract: A process for producing a modified polymer rubber comprising the steps of: (1) polymerizing a conjugated diene monomer or a combination thereof with an aromatic vinyl monomer in a hydrocarbon solvent, in the presence of an alkali metal catalyst or a specified alkali metal compound, to form an alkali metal end-carrying active polymer, and (2) reacting the alkali metal end-carrying active polymer with a specified isocyanurate compound or a combination thereof with a specified coupling agent in a hydrocarbon solvent.

Abstract: A polymerization process and the resulting polymer composition, said process comprising polymerizing one or more addition polymerizable monomers and a polymerizable shuttling agent in the presence of at least one addition polymerization catalyst comprising a metal compound or complex and a cocatalyst under conditions characterized by the formation of a branched polymer, preferably comprising pseudo-block molecular architecture.

Abstract: This invention relates to a process to alter comonomer distribution in a copolymer (as compared to a copolymer made absent the Lewis base modifier) comprising contacting ethylene and one or more C3 to C40 comonomers; with a catalyst system comprising: 1) a Lewis base modifier; 2) an activator; and 3) a bridged bisindenyl group 4 transition metal metallocene catalyst compound having a hydrogen atom at least one 2 position.

Abstract: Embodiments of the polymerization process of the present invention are directed to polymerizing free radically polymerizable monomers in the presence of a polymerization medium initially comprising at least one transition metal catalyst and an atom transfer radical polymerization initiator. The polymerization medium may additionally comprise a reducing agent. The reducing agent may be added initially or during the polymerization process in a continuous or intermittent manner. The polymerization process may further comprises reacting the reducing agent with at least one of the transition metal catalyst in an oxidized state and a compound comprising a radically transferable atom or group to form a compound that does not participate significantly in control of the polymerization process.

Abstract: The present invention relates to a method for radically curing an unsaturated polyester resin or vinyl ester resin composition, wherein the resin composition contains at least 10 ppm radical inhibitor; the resin composition has an acid value of from 0.001 to 300 mg KOH/g resin composition and the curing is effected in the presence of at least 5 mmol Mn/kg primary resin system and at least 10 mmol of thiol/kg primary resin system. The invention also relates to cured objects or structural parts obtained from a resin composition obtained by such a process.

Abstract: This invention relates to a polymacromonomer comprising at least one macromonomer and from 0 to 20 wt % of a C2 to C12 comonomer, wherein the macromonomer has vinyl termination of at least 70%, and wherein the polymacromonomer has: a) a g value of less than 0.6, b) an Mw of greater than 30,000 g/mol, c) an Mn of greater than 20,000 g/mol, d) a branching index (g?)vis of less than 0.5, e) less than 25% vinyl terminations, f) at least 70 wt % macromonomer, based upon the weight of the polymacromonomer, g) from 0 to 20 wt % aromatic containing monomer, based upon the weight of the polymacromonomer and h) optionally, a melting point of 50° C. or more. This invention also relates to processes to make such polymacromonomers.

Abstract: The present invention concerns heterophasic propylene copolymers, comprising a propylene homopolymer (PPH) and an ethylene-propylene rubber (EPR), having a broad molecular weight distribution and a well-defined total ethylene content and a specific ratio of the intrinsic viscosities of the ethylene-propylene rubber (EPR) and the propylene homopolymer (PPH), ?EPR/?PPH. The invention further concerns the process to produce such heterophasic propylene copolymers. The heterophasic propylene copolymers of the present invention are particularly suited for corrugated sheet and cast film applications.

Abstract: This invention relates to a process to functionalize propylene co-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(?0.94 (mol % ethylene incorporated)+100), when 10 to 60 mol % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mol % ethylene is present in the co-oligomer, and 3) X=(1.83*(mol % ethylene incorporated)?83), when 70 to 90 mol % ethylene is present in the co-oligomer.

Abstract: The present invention generally relates to methods for the synthesis of species including monomers and polymers. Methods of the invention comprise the use of chemical techniques including metathesis chemistry to synthesize, for example, monomers and/or polymers with desired functional groups.