Synthetic resins or natural rubbers -- part of the class 520 series inventions 06/06

20060142508 - Polymerization of polyethylene having high molecular weight: The present invention includes a bimodal polyethylene polymerization process wherein metallocene catalyst to is used to adjust the hydrogen response of a Ziegler-Natta catalyst. The polymerization may be carried out in a single reactor or in two or more reactors in series, preferably two or more continuously stirred tank reactors...

20060142509 - Polymerization catalyst system using di-se-butyl dimethyoxysilane for preparation of polypropylene: It has been discovered that using di-sec-butyldialkoxysilanes, such as di-sec-butyldimethoxysilane (DSBDMS), as external electron donors for Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films with improved properties and processing. The catalyst systems of the invention provide high activity, high bulk density, moderate hydrogen response, moderate donor...

20060142510 - Polyvinyl ethers having silicon-containing functional groups or atomic groups at the end and process for production thereof: Disclosed is a technology for the production of polyvinyl ethers having a reactive silicon-containing functional or atomic group at the terminal thereof. The polyvinyl ether as expressed by the formula (VII) is prepared by allowing, in the presence of a catalyst composed of a polynuclear ruthenium-carbonyl complex in which carbonyl...

20060142511 - Alkoxyamines originating from $g(b)-phoshorylated nitroxides and use thereof in radical polymerisation: s

20060142512 - Free-radical frontal polymerization with microencapsulated monomers and initiators: A polymerization composition is formed by mixing a monomer polymerizable by frontal polymerization and an encapsulated, free-radical initiator which can be released by the application of heat. In a second embodiment, the monomer is also encapsulated....

20060142513 - Polymerization process for preparing (co)polymers: The present invention relates to an aqueous dispersion polymerization process for preparing a (co)polymer wherein an organic peroxide is used as initiator (as a source of free radicals) during the polymerization process in conjunction with an effective amount of an organic peroxide stabilizing additive (controlling agent). The invention also relates...

20060142514 - Fluoropolymer compositions, coated articles, and method of making the same: A fluoropolymer composition comprising a fluoropolymer with a particle size distribution having a ratio of the mode to D95 of 0.75 or greater and wherein when the fluoropolymer is a copolymer consisting of interpolymerized units derived from tetrafluoroethylene and perfluoro(propyl vinyl) ether, the fluoropolymer has less than 60 unstable endgroups...

20060142515 - Carboxylic acid derivatives containing phosphorous groups and organically polymerisable groups: The invention relates to carboxylic acid derivates which contain at least one organically polymerisable group and at least one group which contains phosphorous and is reactive or wich modulates the properties of the molecule. The invention also relates to a method for production of the inventive molecules and the use...

20060142516 - Process for the preparation of polyorganosilylated carboxylate monomers or polymers thereof: The present invention relates to a process for the preparation of polyorganosilylated carboxylate monomers or polymers thereof, comprising the steps of reacting a cyclosiloxane of formula (R4R5SiO)n with an unsaturated organosilylated carboxylate monomer or a copolymer or a polymer thereof under the presence of a suitable catalyst....

20060142517 - Olefin oligomers containing pendant maleimide groups: The invention is based on the discovery that certain crosslinkable functional groups can be incorporated into olefin oligomers, thereby making these functionalized olefin oligomers useful as thermosetting resin compositions. In particular, there are provided olefin oligomers containing pendant maleimide groups. These materials are readily prepared via cationic co-polymerization of cationically...

20060142518 - Fluoroacrylate-mercaptofunctional copolymers: Rf═CnF2n+1, n=1 to 5, y=0 to 6, and q=1 to 8; (b) at least one unbranched symmetric diisocyanate; and (c) at least one hydroxy-terminated alkyl (meth)acrylate or 2-fluoroacrylate monomer having 2 to about 30 carbon atoms in its alkylene portion....

20060142519 - Fluoroacrylate-multifunctional acrylate copolymer compositions: Rf=CnF2n+1, n=1 to 5, y 32 0 to 6, and q=1 to 8; (b) at least one unbranched symmetric diisocyanate; and (c) at least one hydroxy-terminated alkyl (meth)acrylate or 2-fluoroacrylate monomer having 2 to about 30 carbon atoms in its alkylene portion; wherein the composition is coatable....

20060142520 - Hole transport layers for organic electroluminescent devices: A copolymeric material is described that is suitable for use in a hole transport layer of organic electroluminescent device. The copolymeric material contains a phosphorous-containing group selected from a phosphate or phosphonate group and tertiary amino group selected from a triarylamino group or carbazolyl group....

20060142521 - Process for the preparation of a shaped part of an ultra high molecular weight polyethylene: The invention relates to a process for the manufacture of a shaped part of ultra high molecular weight polyethylene (UHMWPE) comprising melt processing, wherein a) the UHMWPE has a weight average molecular weight (Mw) of at least 1*106 g/mol, b) during the shaping the storage plateau modulus of the UHMWPE...

20060135711 - Process for the production of living radical polymers and polymers: P

20060135712 - Ethylened polymer and molded object obtained therefrom: An ethylene-based polymer which is an ethylene/C4 to C10 α-olefin copolymer and satisfies the following requirements [k1] to [k3]: [k1] melt flow rate (MFR) under a loading of 2.16 kg at 190° C. is in the range of 1.0 to 50 g/10 minutes; [k2] LNR defined as a scale of...

20060135713 - Phenol-heterocyclic ligands, metal complexes, and their uses as catalysts: Ligands, compositions, and metal-ligand complexes that incorporate phenol-heterocyclic compounds are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers. The catalysts have high performance characteristics, including high comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene....

20060135714 - Conjugation reactions: An initiator for the terminal group of the polymer product of an atom or gruop radical transfer polymerisation has an activated carboxyl or an amine group which is reacted with an amine or carboxyl (respectively) group containing biologically active compound. The initiator is preferably 4-(3-(2-bromo, 2-methyl-propionate)phenyl)-propionic acid N-hydroxysuccinimide ester or...

20060135715 - Trifluorostyrene containing compounds, and their use in polymer electrolyte membranes: A monomer having the structure (I) wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine; and n is 1 or 2. These monomers are used in the preparation of homopolymers and copolymers that are useful in preparing polymer electrolyte membranes. Electrochemical cells, such as fuel cells,...

20060135716 - Fluoroelastomers having low glass transition temperature: Fluoroelastomers are disclosed which have a glass transition temperature less than −10° C. The elastomers contain copolymerized units of a perfluorovinylpolyether that is derived from a trimer or tetramer of hexafluoropropylene oxide....

20060135717 - Fluoropolymer for making a fluoroelastomer: u

20060135718 - Soluble polymers as amine capture agents and methods: Soluble polymers and methods for the preparation thereof, wherein the polymers of the present invention have pendant acylsulfonamide amine-reactive groups that can be used for the capture of amine containing materials....

20060135719 - Self-etching dental materials based on (meth) acrylamide phosphates: in which R1 is H or CH3; R2 is H or a C1-C4 alkyl radical or forms together with the nitrogen atom to which it is bonded and one or more atoms which belong to R3 or R3′ a heterocyclic ring; R3, R3′ independently of each other are a linear...

20060135720 - Soluble magnesium complexes useful for the production of polyolefin catalysts and catalysts prepared therewith: A method of forming a polyolefin catalyst component includes halogenating metal complexes. The metal complexes result from reacting a metal alkoxide with an alcohol-ether. A particular non-limiting example is a magnesium complex formed by reacting magnesium alkoxide with an ethylene alcohol-ether, and then chlorinating the magnesium complex. Catalyst components, catalysts,...

20060135721 - Method for producing polyisobutenes: The present invention relates to a process for preparing bifunctional polyisobutenes and to bifunctional polyisobutenes obtainable by means of the process and particular functionalization products thereof....

20060135722 - Substituted pyridyl amine catalysts and processes for polymerizing crystalline polymers: New ligands, compositions, metal-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain...

20060128908 - Hindered polyalicyclic alkyl catalysts and their use in a gas-phase polymerization reactor: Embodiments of the present invention include a method of polymerizing olefins comprising contacting olefins with a catalyst composition made by the process of combining a hindered polyalicyclic alkyl catalyst precursor with a particulate inorganic oxide for a deposition time greater than 2 hours to form a catalyst composition. Embodiments of...

20060128909 - Polymerization process: A process for the polymerisation of olefins is described involving the use of a catalyst system comprising a supported transition metal compound and an activator based on an organoborane and an aluminoxane. Preferably the transition metal compound is a metallocene complex. The support is pretreated with an organoaluminium compound and...

20060128911 - Olefin polymerization catalyst and polymerization process: A polymerization catalyst for the polymerization and copolymerization of olefin monomers and the copolymerization of olefin monomers with other monomers selected from, for example, norbornenes and styrenes are disclosed. The polymerization catalysts disclosed contain a metal center selected from Ti, Zr, Hf, Ni and Pd with at least one chelating...

20060128910 - Tandem tetramerisation-polymerisation of olefins: The invention provides a process for polymerising olefins to branched polyolefins in the presence of a polymerisation catalyst and a cocatalyst, wherein the cocatalyst produces 1-octene in a selectivity greater than 30%....

20060128912 - Transition metal carbene complexes containing a cationic substituent as catalysts of olefin metathesis reactions: wherein M is a Group 8 transition metal, L1 and L2 are neutral electron donor ligands, X1 and X2 are anionic ligands, m is zero or 1, n is zero or 1, and R1, W, Y, and Z are as defined herein. Methods for synthesizing the complexes are also provided,...

20060128913 - Polymerisation catalysts: A transition metal complex having the following Formula (A): wherein the monovalent groups R1 and R2 are —Ra, —ORb, —NRcRd, and —NHRe: the monovalent groups Ra, Rb, Rc, Rd and Re, and the divalent group R3 are (i) aliphatic hydrocarbon, (ii) alicyclic hydrocarbon, (iii) aromatic hydrocarbon, (iv) alkyl substituted aromatic...

20060128914 - Photoresist composition: where R1 represents hydrogen (H), a linear or branched alkyl group of 1 to 20 carbons, or a semi- or perfluorinated linear or branched alkyl group of 1 to 20 carbons; and where R2 represents an unsubstituted aliphatic group or a substituted aliphatic group having zero or one trifluoromethyl (CF3)...

20060128915 - Process for producing fluorinated alkyl ether: To provide a process for producing a fluorinated alkyl ether, whereby a sufficient reaction rate can be attained even under mild reaction conditions, and a post-process such as distillation after the reaction can be efficiently carried out. A process for producing a fluorinated alkyl ether, which comprises introducing an aprotic...

20060128916 - Lcst polymers: B) about 0.1 to 55.0 mol % of a comonomer from the group of a) maleic acid, maleic anhydride or an alkyl ester of maleic acid in which the alkyl group contains 1 to 5 carbon atoms; b) fumaric acid or an alkyl ester of fumaric acid in which the...

20060128917 - Controlled-architecture polymers and use thereof as separation media: Controlled architecture polymers made preferably with acrylamide type monomers are prepared in living-type or semi-living-type free radical polymerizations, with the architecture preferably being other than linear, such as star, branched, grafted or hyper-branched. The controlled architecture polymers have high weight average molecular weights and low viscosities, which make they particularly...

20060116490 - Metallocene catalysts, their synthesis and their use for the polymerization of olefins: A process for the preparation of a catalyst system includes the steps of combining a support material with a first composition which includes at least one aluminoxane in a first solvent to provide an aluminoxane loaded support; and, contacting the aluminoxane loaded support with a second composition which includes at...

20060116491 - Monocyclopentadienyl complexes: Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process...

20060116492 - Branched polymer: A copolymer comprises the reaction product of (a) at least one ethylenically-unsaturated monomer; (b) at least one N-substituted maleimide monomer; (c) at least one crosslinker comprising at least two ethylenically-unsaturated functional groups; (d) at least one free radical initiator; and (e) at least one chain transfer agent; wherein the reaction...

20060116493 - Process for producing photoresist polymeric compounds: Process for producing photoresist polymeric compound having repeated units corresponding to at least one monomer selected from monomer (a) having lactone skeleton, monomer (b) having group which becomes soluble in alkali by elimination with acid, and monomer (c) having alicyclic skeleton having hydroxyl group. Process includes (A) polymerizing mixture of...

20060116494 - Process for producing photoresist polymeric compounds: Process for producing photoresist polymeric compound having repeated units corresponding to at least one monomer selected from monomer (a) having lactone skeleton, monomer (b) having group which becomes soluble in alkali by elimination with acid, and monomer (c) having alicyclic skeleton having hydroxyl group. Process includes (A) polymerizing mixture of...

20060116495 - Silicone polymerisates: Silicone-containing polymers having numerous uses are prepared by polymerizing one or more ethylenically unsaturated monomers in the presence of a branched organopolysiloxane having at least one lipophilic branched siloxane portion and at least one optionally branched hydrophilic portion....

20060116496 - Viscosity modifier for thermoplastic polyester resin, thermoplastic resin composition containing the same and molded article comprising the same: 0.1 to 50 parts of a viscosity modifier for thermoplastic polyester resin comprising (a) 15 to 95% by weight alkyl (meth)acrylate containing an epoxy group, (b) 5 to 85% by weight of another alkyl (meth)acrylate and (c) 0 to 80% by weight of another vinyl monomer copolymerizable therewith and having...

20060116497 - Process for producing olefin copolymer: Vinyl compound (I); a vinyl compound represented by the general formula CH2═CH—R, wherein the substituent R is a saturated hydrocarbon group and steric parameters Es and B1 of the substituent R are respectively −1.64 or less and 1.53 or more; and Polyene (II); a compound having two or more of...

20060116498 - Novel synthetic lubricant composition and process: A liquid polymer suitable for use as a lubricant base oil is produced by polymerizing ethylene and at least one alpha-olefin using a metallocene catalyst to provide a polymer which is then isomerized and hydrogenated to produce the liquid polymer....