Abstract: A composition, in particular a cosmetic composition, comprising, in an appropriate medium, at least one polymer with a highly specific ordered structure is disclosed. These compositions find a specific application in the field of make-up and are capable of being applied to the skin, semi-mucous membranes and/or mucous membranes. In particular, these compositions can be provided in the form of a transfer-free make-up composition.

Abstract: A labeling reagent for use in oligonucleotide (“oligo”) synthesis, as well as a method of preparing such a labeling reagent, a method of using such a reagent for synthesizing a labeled oligonucleotide, and an oligonucleotide prepared using such a reagent. The reagent can be used to label either the 3′ or 5′ termini of a synthesized oligo, and/or for one or more positions along the oligo. The labeling reagent can be prepared by a reaction scheme that involves the initial preparation of hydroxyacids, tritylated hydroxyacids and coupling of such derivatives to diamine, wherein the amine function serves at an attachment point for labels and the hydroxyl groups can either be used to immoblize the molecules to support or can be converted to provide a phosphorylating reagent.

Abstract: Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses, corneal inlays and contact lenses made therefrom are described herein. The preferred polymeric compositions are produced through the polymerization of one or more aromatic-based siloxane macromonomers or the copolymerization of one or more aromatic-based siloxane macromonomers with one or more non-siloxy aromatic-based monomers, non-aromatic-based hydrophobic monomers or non-aromatic-based hydrophilic monomers.

Abstract: A process for making a polyolefin catalyst component, catalyst and polymer resin is disclosed. Controlling the viscosity of a catalyst synthesis solution with the addition of aluminum alkyl alters the precipitation of the catalyst component from a catalyst synthesis solution. The average particle size of the catalyst component increases with an increased concentration of aluminum alkyl in the synthesis solution. The catalyst component can be produced by a process comprising contacting a magnesium alkyl compound with an alcohol and an aluminum alkyl to form a magnesium dialkoxide. Catalyst components, catalysts, catalyst systems, polyolefin, products made therewith, and methods of forming each are disclosed. The reaction products can be washed with a hydrocarbon solvent to reduce titanium species [Ti] content to less than about 100 mmol/L.

Abstract: In accordance with the method of manufacture described herein, it has been found that by applying a polymerization catalyst or polymerization initiator directly to a liquid-absorbent or liquid adsorbent (hereinafter collectively referred to as “liquid-sorbent”) substrate, preferably a porous geotextile in sheet material form, to form a polymerization-initiating substrate or sheet material, a monomer that is subsequently embedded in the liquid-sorbent substrate will be completely contacted by the polymerization catalyst or polymerization initiator for complete polymerization of the embedded monomer to form embedded polymer solids, without the monomer partially polymerizing before contacting the substrate. It has been found that complete polymerization of the monomer while in contact with the substrate achieves best results in retention of embedded and interlocked polymer solids.

Abstract: The invention relates to the synthesis of polymers containing self-complementary quadruple hydrogen groups by copolymerizing monomers containing a quadruple hydrogen bonding group with one or more monomers of choice. The resulting polymers show unique new characteristics due to the presence of additional physical interactions between the polymer chains that are based on multiple hydrogen bonding interactions (supramolecular interactions).

Abstract: A composition, comprising, in a physiologically acceptable medium, at least one polymer with a highly specific ordered structure is disclosed. These compositions find a specific application in the field of caring for the skin, in particular of the face, and more especially for treating, that is to say decreasing, erasing and/or smoothing out, wrinkles and/or fine lines of the skin.

Abstract: Shape memory polymers prepared by copolymerizing two monomers, which each separately produce polymers characterized by different glass transition temperatures in the presence of a difunctional monomer whereby the copolymer formed is cross-linked during the polymerization to form a theremoset network. The transition temperature of the final polymers is adjusted by the ratio of the monomers selected, to from about 20 to about 110° C., while the degree of cross-linking controls the rubbery modulus plateau. The shape memory polymers can be processed as castable formulations in the form of coatings and films. The copolymers are optically transparent and are useful as medical plastics. The invention also relates to the articles of manufacture thereof and methods of the preparation and use thereof.

Abstract: A pattern formation material of this invention contains a base polymer including a unit represented by Chemical Formula 1 and, and an acid generator: 1

Abstract: The subject invention is directed to a rheology-modified ethylene polymer having less than 0.5 weight percent gel, a composition distribution breadth index (CDBI) greater than 50 percent, and a molecular weight distribution (Mw/Mn) of less than 4.0, which is characterized as having improved rheological performance and/or melt strength attributes relative to the unmodified polymer. The subject invention is further directed to polymer blends which comprise the rheology-modified polymers, and to a process for preparing the rheology-modified polymers.

Abstract: The invention relates to a process for preparing a reaction product (RP) which is functionalized by groups containing halogen or sulfonyl chloride by reaction of at least one free-radically polymerizable monomer, at least one compound of the formula (I), 1

Abstract: An aqueous coating composition containing comb copolymer particles is disclosed. The comb copolymer has a polymer backbone with at least one attached graft segment. Disclosed is a select comb copolymer having select values for the weight % ranges and glass transition temperature ranges of the backbone and the attached graft segment. An aqueous coating composition containing particles of this select comb copolymer is useful for preparing semi-gloss dried coatings with acceptable scrub resistance. A method of forming a coating from the aqueous coating composition is also disclosed.

Abstract: The present invention is directed to a novel high temperature polymerization process operating at high pressures for producing a polymer. The process includes conveying hybrid reactor mixtures, which include one or more hybrid reactor monomers and one or more hybrid reactor initiators to one or more hybrid reactors. The hybrid reactors are maintained at effective hybrid polymerization temperatures and sub-reflux polymerization gage pressures to cause polymerization of a portion of the hybrid reactor monomers into the polymer. The process further includes conveying hybrid reactor contents from. the hybrid reactors to one or more batch reactors maintained at effective batch polymerization temperatures and reflux polymerization pressures to cause polymerization of a remaining portion of the hybrid reactor monomers into the polymer. The hybrid reactors are smaller in volume than the batch reactors.

Abstract: A fluorine-containing diene represented by the formula 1: CF2═CF(CF2)nCXYOCF═CF2  Formula 1 wherein each of X and Y which are independent of each other, is an atom selected from a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, provided that X and Y are not simultaneously hydrogen atoms or fluorine atoms, and n is an integer of from 1 to 3.

Abstract: The invention is directed to a metallocene catalyst system and a process for preparing the system. The metallocene catalyst system comprises a support and metallocene bound substantially throughout the support. The selection of certain supports facilitates the production of metallocene catalyst systems having increased catalytic activity than previously recognized.

Abstract: An aqueous composition is provided containing a first polymer including at least one C12 to C40 alkyl ester of (meth)acrylic acid, as polymerized units; at least one wax, at least one pigment, and optionally, at least one second polymer, wherein the sum of the first polymer and the second polymer is at least 10 weight %, based on weight of the aqueous composition; wherein the weight ratio of the first polymer to the second polymer is at least 1:4; and wherein the first polymer and the second polymer have a combined glass transition temperature in the range of −5 to 20° C. As provided is a method of treating a wood surface with the aqueous composition. The aqueous composition provides wood with resistance to water wetting and penetration of water and is suitable as a semi-transparent stain for wood.

Abstract: An in-mold primer coating adapted to be applied in-mold to a thermoplastic substrate and heat cured to form a thermoset surface coating on the molded substrate. The in-mold primer coating comprises a coreactive polymerizable composition comprising an epoxy-acrylate oligomer having a molecular weight from about 350 to about 2500, a hydroxyl functional acrylate or methacrylate, a vinyl aromatic monomer such as styrene, and a small amount of acrylic or methacrylic acid, with the balance being other diacrylate and/or other ethylenically unsaturated monomer(s), if any.

Abstract: An in-mold coating composition particularly useful for in-mold coating of molded nylon based substrates comprises a coreactive addition polymerizable composition of urethane-acrylate oligomer having at least two acrylate and/or methacrylate terminal groups, at least 0.2% of a sulfonic acid functional acrylate or methacrylate, at least 0.2% of acrylic and/or methacrylic acid, with the balance being coreactive polymerizable diacrylate(s) and/or ethylenically unsaturated monomer(s).

Abstract: Disclosed is a method for inhibiting catalyst coke formation in the manufacture of an olefin. In particular, the method inhibits coke formation on a silicoaluminophosphate molecular sieve catalyst in the manufacture of ethylene and/or propylene. The method includes contacting an oxygenate-containing feedstock with a silicoaluminophosphate molecular sieve catalyst to form the olefin-containing product, and separating the olefin-containing product from the catalyst. An unregenerated portion of the separated catalyst is cooled before contacting with additional oxygenate feedstock to reduce coke formation on the catalyst.

Abstract: The invention relates to a multi-stage method for producing gas-filled microcapsules. In one stage of the method, the substance that forms the coat is polymerized. The microcapsules are formed in a physically and/or temporally separate stage, by means of a structuring process. The polymerization is carried out with moderate stirring, while the microcapsules are structured in dispersing conditions.

Abstract: The present invention relates to graft copolymers, useful as dispersants in ink jet ink compositions, which comprise two structurally distinct segments: a hydrophilic segment and a hydrophobic segment. The preferred hydrophilic segment is comprised preferably of a methacrylic acid polymer, or a copolymer thereof with another monomer, such as styrene sulfonic acid. The preferred hydrophobic segment comprises a polymer or copolymer containing electron rich functional groups comprised of a plurality of methacrylate derivatized monomers, preferably a methacrylate ester monomer, or a substituted methacrylate ester monomer (a methacrylate ester where the alkyl group is replaced with a siloxyl substituent, an oligomeric siloxane). The present invention also relates to aqueous ink compositions which include the polymeric dispersants of the present invention. A further embodiment of the present invention comprises a polymer comprising a monomeric hydrophobic head and a polymeric tail.

Abstract: The present invention is directed to a novel one-step method for forming a supported catalyst complex of high activity by substantially simultaneously contacting a bidentate or tridentate ligand forming compound, a transition metal compound and a chromium immobilized Lewis acid support-agglomerate. The catalyst can be formed prior to polymerization of olefins or within the polymerization reaction zone.

Abstract: In a process for the production of a polyolefin, an olefin monomer is polymerised said polyolefin and residual monomer is recovered. A gas stream comprising the monomer and nitrogen is subjected to a PSA process in which said monomer is adsorbed on a periodically regenerated silica gel or alumina adsorbent to recover a purified gas stream containing said olefin and a nitrogen rich stream containing no less than 99% nitrogen and containing no less than 50% of the nitrogen content of the gas feed to the PSA process.

Abstract: Processes for the living polymerization of olefin monomers with terminal carbon-carbon double bonds are disclosed. The processes employ initiators that include a metal atom and a ligand having two group 15 atoms and a group 16 atom or three group 15 atoms. The ligand is bonded to the metal atom through two anionic or covalent bonds and a dative bond. The initiators are particularly stable under reaction conditions in the absence of olefin monomer. The processes provide polymers having low polydispersities, especially block copolymers having low polydispersities. It is an additional advantage of these processes that, during block copolymer synthesis, a relatively small amount of homopolymer is formed.

Abstract: The present invention relates to combinatorial processes for preparing an array of n aqueous polymer dispersions by emulsion polymerization and for preparing an array of m formulations of polymer dispersions, and also to the arrays themselves.

Abstract: A process for preparing polyvinyl alcohol by means of catalytic transesterification of an alcoholic polyvinyl ester solution and subsequent workup by means of isolation of the polyvinyl alcohol formed includes adding, prior to the transesterification of the polyvinyl ester solution, the acetic ester of the alcohol used as solvent, in an amount of from 5 to 70% by weight, based on the overall amount of alcoholic solvent and its acetic ester, and recycling the liquid phase obtained after isolation of the polyvinyl alcohol product to a further polyvinyl ester transesterification.

Abstract: The invention is directed to a method of synthesizing a molecular sieve. In particular, the invention is directed to a method for synthesizing a molecular sieve, especially a silicoaluminophosphate molecular sieve, in the presence of a templating agent and a polymeric base. The invention is also directed to formulating the molecular sieve into a catalyst useful in a process for producing olefin(s), preferably ethylene and/or propylene, from a feedstock, preferably an oxygenate containing feedstock.

Abstract: There are disclosed an ethylenic copolymer comprising ethylene and an &agr;-olefin in which diad chain distribution [EA] of ethylene [E] and &agr;-olefin [A] as determined by the nuclear magnetic resonance spectrum method (13C-NMR method) and ethylene content a (mol %) as determined by nuclear magnetic resonance spectrum satisfy the following relational expressions (1) and (2):

Abstract: The invention relates to a process for the treatment of a gas stream obtained from the production of polyolefins and containing unreacted compounds. According to the process, uncondensed compounds are removed from the gas stream and, when so desired, these compounds are directed to further treatment. According to the invention, the uncondensed compounds are separated from the gas stream by membrane separation. Thus the separation of gases is facilitated, since by coupling the membrane system in conjunction with distillation columns the distillation can be carried out at a substantially higher top temperature. By using the membrane system it is possible effectively to remove the lightest gases, which would otherwise accumulate in the process.

Abstract: In a process for the production of a polyolefin, an olefin monomer is polymerised said polyolefin and residual monomer is recovered. A gas stream comprising the monomer and nitrogen is subjected to a PSA process in which said monomer is adsorbed on a periodically regenerated silica gel or alumina adsorbent to recover a purified gas stream containing said olefin and a nitrogen rich stream containing no less than 99% nitrogen and containing no less than 50% of the nitrogen content of the gas feed to the PSA process.

Abstract: The application discloses a system for controlling a chemical manufacturing process having at least one piece of process limiting equipment in addition to a reactor. The system employs one or more multivariable predictive optimizer controllers for optimizing control of the chemical reactor and production limiting equipment located upstream or downstream of the reactor, to provide integrated process control of the reactor and the production limiting equipment.

Abstract: Disclosed is a method for inhibiting catalyst coke formation in the manufacture of an olefin. In particular, the method inhibits coke formation on a silicoaluminophosphate molecular sieve catalyst in the manufacture of ethylene and/or propylene. The method includes contacting an oxygenate-containing feedstock with a silicoaluminophosphate molecular sieve catalyst to form the olefin-containing product, and separating the olefin-containing product from the catalyst. An unregenerated portion of the separated catalyst is cooled before contacting with additional oxygenate feedstock to reduce coke formation on the catalyst.

Abstract: In a process for the polymerization of C2-C8-alk-1-enes by means of a Ziegler-Natta catalyst system, in which polymerization is carried out from the gas phase in at least one reaction zone at from 40 to 120° C. and pressures of from 1 to 100 bar, the pressure and temperature in the reaction zone are set so that an operating point formed by these parameters in a pressure-temperature diagram is located at from 0.2 to 5.0 bar below the dew line of the respective reaction mixture above which condensation of the C2-C8-alk-1-enes occurs.

Abstract: A vinyl ester produced by reacting at least one epoxide compound with at least on carboxylic anhydride, containing ethylenically unsaturated groups, the epoxide groups being substantially substituted by two vinyl ester groups.

Abstract: An olefin polymerization process wherein monomer, diluent and catalyst are circulated in a continuous loop reactor and product slurry is recovered by means of a continuous product take off. The product slurry is exposed to a pressure drop in a flash zone, producing a second slurry and vaporized diluent. The vaporized diluent produced in said flash chamber is condensed by heat exchange, without compression.

Abstract: An olefin polymerization process wherein monomer, diluent and catalyst are circulated in a continuous loop reactor and product slurry is recovered by means of a continuous product take off. The continuous product allows operating the reaction at significantly higher solids content in the circulating slurry. The concentration of solid olefin polymer particles in the slurry in the reaction zone may be maintained at a value of 45 weight percent or higher, based on the weight of polymer particles and the weight of the liquid diluent.

Abstract: Disclosed is a solution that comprises (A) a solvent; (B) about 0.001 to about 20 wt % of a terpolymer that comprises the condensation reaction product of (1) an aromatic compound that contains a benzene or naphthalene ring substituted with the group OR or SR, where R is hydrogen, alkyl from C1 to C15, or aryl, alkaryl, or aralkyl from C6 to C15; (2) about 0.1 to about 10 moles of a carbonyl compound per mole of said aromatic compound; and (3) about 0.1 to about 10 moles of a thiourea per mole of said aromatic compound (C) about 1 to about 5 wt % of a base; (D) about 0.1 wt % to saturation of a salt; and (E) 0 to about 20 wt % of an alcohol. Also disclosed is a method of making the terpolymer in the absence of an acid catalyst and a method of inhibiting the formation of scale on reactor components in contact with polymerizing vinyl chloride monomer.

Abstract: The present invention generally relates to a direactive compound which is of the formula IV A R1—(CH2)mO—MG—O—(CH2)n—R2  (IVA) wherein R1, R2, m, n, and MG are defined herein.

Abstract: A functionalized and polymerizable polymer is described which is obtainable by ring-opening metathesis polymerization and is suitable in particular as a dental material and especially as a constituent of dental adhesives owing to an adhesion-boosting effect.

Abstract: A method of preparing a conjugated polymer which includes: determining a first intermolecular repeat distance and a first tilt angle relative to the translation axis for a guest molecule having a first atom and a second atom; selecting a host molecule having a second intermolecular repeat distance and a second tilt angle relative to the translation axis; synthesizing the host molecule and the guest molecule to form a co-crystal, wherein the first and the second repeat distances and the first and the second tilt angles are about equal so that when said host molecule and said guest molecule are synthesized the first atom and the second atom of adjacent guest molecules are in near van der Waals contact; and polymerizing the co-crystals to form the conjugated polymer. In a preferred embodiment, the guest molecule is a polytriacetylene and the host molecule has an intermolecular repeat distance of from about 6.0 Å to about 8.

Abstract: The colored data storage media comprises a substrate comprising colorant and plastic, wherein the substrate has a transmissivity of about 85% or less, at a readback laser wavelength, when traversing a 1.2 mm thick colored substrate (disk). Alternatively, the storage media comprises: a substrate comprising a fluorescent colorant and plastic, wherein the substrate has a fluorescent color emission wavelength which is not equal to the readback laser wavelength.

Abstract: The invention concerns molecular rods, their uses in a method for fixing and/or crystallising macromolecules, the resulting products and uses of said products in the field of materials and structural biology, in particular as biosensors or as biomaterials. Said molecular rods have a structure represented by the general formula (I) and said method essentially consists in incubating, for at least 15 minutes, a biological macromolecule in solution with a molecular rod as defined by the formula, in suitable temperature and pH conditions.

Abstract: Disclosed is a process for preparing a polymer solution having a reduced unreacted unsaturated monomer content, comprising radically polymerizing at least one unsaturated monomer in a solvent in the presence of a radical polymerization initiator, the at least one unsaturated monomer having a lower boiling point than that of the solvent, wherein the weight ratio of the total amount of the unsaturated monomers to the solvent is from 1/9 to 7/3, the polymerization is carried out until the conversion of the unsaturated monomer having the lowest conversion of all the other unsaturated monomers whose boiling point is lower than that of the solvent reaches at least 85%, and, after completion of the polymerization, the reaction mixture is rectified to remove the unreacted unsaturated monomer or monomers.

Abstract: A method for making a polymer comprising the step of synthesizing a polymer by employing a chain transfer agent having the formula (II) where X and Y are independently selected from oxygen, sulfur, and fully-substituted nitrogen where R1 and R2 are independently selected from hydrogen, halogen, or an organic group, with the proviso that at least one of R1 or R2 be hydrogen or halogen, R3 is an organic group R4 and R5 are independently selected organic groups, with the proviso that R3 is not hydrogen.

Abstract: A fluidized bed olefin polymerization process is operated in the turbulent regime while utilizing greater than 17.5% liquid in the recycle fluid to remove the heat of reaction. The ratio of fluidized bed density to settled bed density may, contrary to prior art predelictions, be maintained at lower than 0.59.

Abstract: A method of sterilizing a polymerizable monomeric adhesive composition includes: providing a polymerizable monomeric adhesive composition in a container, the polymerizable monomeric adhesive composition including a polymerizable 1,1 -disubstituted ethylene monomer and at least one stabilizer; holding the composition in the container for a pre-determined amount of time, which is sufficient to inhibit or eliminate polymerization of the monomer during or immediately after sterilization, before sterilizing the composition; and sterilizing the polymerizable monomeric adhesive composition inside the container.

Abstract: A continuous process for preparing polymers, preferably emulsion polymers, with minimal fouling of the reactor is provided. The process is effected in a reactor which does not contain a gas phase, optionally by reducing the gas content of the reaction mixture.

Abstract: Aqueous dispersion of copolymers formed by the polymerization of a monomer mixture containing 0.05% to less than 4.5% by weight of certain terminally unsaturated oligomers are useful for improving the scrub resistance, corrosion resistance, opacifying capacity and/or efflorescence resistance of a coating.

Abstract: The present invention relates generally to the electrophoretic separation of biomolecules, including but not limited to proteins, peptides, DNA and RNA. The methods of this invention are particularly useful when applied to two-dimensional gel electrophoresis.

Abstract: A novel loop/slurry olefin polymerization process is provided which produces ultra high molecular weight ethylene homopolymers and ultra high molecular weight ethylene copolymers. Catalyst systems used are selected from the group consisting of inorganic oxide supported titanium-containing catalyst systems, inorganic oxide supported organo-zirconium catalyst systems and inorganic oxide supported organo-hafnium catalyst systems.