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| Number | Title | Issue Date |
| 7897690 | Rubber composition containing functionalized polymer nanoparticles A polymer nanoparticle is provided. The nanoparticle includes an inner layer having alkenylbenzene monomer units. The nanoparticle further includes an outer layer having monomer units selected from conjugated dienes, alkylenes, alkenylbenzenes, and mixtures thereof.... | 03/01/2011 |
| 7718738 | Self assembly of molecules to form nano-particles A polymer nano-particle composition is provided, wherein the nano-particle includes a poly(alkenylbenzene) core and a surface layer including poly(conjugated diene). A method for self-assembly of the nano-particles is also provided. The polymer nano-particles are pr... | 05/18/2010 |
| 7718737 | Rubber composition containing functionalized polymer nanoparticles A polymer nanoparticle is provided. The nanoparticle includes an inner layer having alkenylbenzene monomer units. The nanoparticle further includes an outer layer having monomer units selected from conjugated dienes, alkylenes, alkenylbenzenes, and mixtures thereof.... | 05/18/2010 |
| 7553909 | Multi-layer nano-particle preparation and applications A multi-layer nano-particle composition including a polymer core and at least two additional layers is provided. The nano-particles have a mean average diameter less than about 100 nm. The nano-particles can be modified via, for example, hydrogenation or functionali... | 06/30/2009 |
| 7538159 | Nanoparticles with controlled architecture and method thereof The present invention provides polymer nanoparticles with a controlled architecture of nano-necklace, nano-cylinder, nano-ellipsoid, or nano-sphere. The polymer nanoparticle comprises a core polymerized from multiple-vinyl-substituted aromatic hydrocarbons, a shell ... | 05/26/2009 |
| 7423092 | Radiation-curable compositions for pigmented inks The present invention relates to radiation-curable compositions useful as ink vehicles or inks, in particular UV-curable inks, such as UV-litho inks, comprising a (meth)acrylated styrene allyl alcohol copolymer obtained from the (meth)acrylation of a styrene allyl a... | 09/09/2008 |
| 7339004 | PVC graft copolymer methods and compositions Methods are described for preparing graft copolymers from poly(vinyl chloride) or vinyl chloride copolymers comprising reacting these materials with sources of selected metal-centered free radicals in the presence of one or more monomers that can undergo free-radica... | 03/04/2008 |
| 7323507 | Stable dispersion concentrate consisting of a copolymer of acryloyldimethyltauric acid and cyclic carboxamide and an oil, emulsifier, or oil/emulsifier phase for cosmetic, pharmaceutical and dermatological compositions, and methods for preparation thereof Dispersion concentrates are claimed which consist of: I) 10-80% by weight of a crosslinked copolymer obtained by polymerization of 1 to 50% by weight of a cyclic N-vinylcarboxamide and 49.99 to 98.99 by weight of acryloyldimethyltauric acid, II) 20-90%... | 01/29/2008 |
| 7312271 | Solution masterbatch process using fine particle silica for low hysteresis rubber Methods are provided for making a solution masterbatch containing a diene elastomer in an organic solvent and a reinforcing silica filler dispersed therein, comprising the steps of (a) mixing a precipitated silica having an average particle size substantially equiva... | 12/25/2007 |
| 7304110 | Polymer, process for producing the polymer and curable composition containing the polymer This invention provides a production method of a vinyl polymer having a functional group at a molecular chain terminus which comprises adding a compound (I) having a functional group and an internal alkenyl group or conjugated polyene compound (II) in the living rad... | 12/04/2007 |
| 7244788 | Polymer and process for producing polymers A method of producing a polymer or a stellar polymer which comprises polymerizing a vinyl monomer in the manner of living radical polymerization and adding a compound having two or more polymerizable carbon-carbon double bonds at the end point of the polymerization.... | 07/17/2007 |
| 7238751 | Multi-layer nano-particle preparation and applications A multi-layer nano-particle composition including a polymer core and at least two additional layers is provided. The nano-particles have a mean average diameter less than about 100 nm. The nano-particles can be modified via, for example, hydrogenation or functionali... | 07/03/2007 |
| 7223828 | Branched diene-modified crystalline polypropylene terpolymers Certain specific embodiments of the invention will now be discussed. For example, a process of preparing a polymer composition that includes a branched crystalline diene-modified polypropylene random terpolymer is described, which process includes: contacting a meta... | 05/29/2007 |
| 7205370 | Polymeric nano-particles of flower-like structure and applications 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 end... | 04/17/2007 |
| 7179864 | Polymer nano-strings A polymer nano-string composition is provided. The polymer nano-strings can include a poly(alkenylbenzene) core, and a surface layer comprising poly(conjugated diene). The nano-strings have a mean average diameter of less than about 100 nm and a length of greater th... | 02/20/2007 |
| 7160949 | Olefin block copolymers, processes for producing the same and uses thereof Olefin block copolymers (A-1) are disclosed represented by the formula (I) PO1-g1-B1 . . . (I) wherein PO1 is a segment comprised of repeating units derived from an olefin having 2 to 20 carbon atoms, g1 is an e... | 01/09/2007 |
| 7153919 | Use of sulfur containing initiators for anionic polymerization of monomers An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic initiator, and optionally as additional functional group resulting f... | 12/26/2006 |
| 7049369 | Styrene resin composition and process for producing the same A styrene resin composition is provided which has a high molecular weight enabling a molded product obtained therefrom to have satisfactory strength, has a high melt mass-flow rate, high melt tension, and hence excellent moldability, and is less apt to gel during pr... | 05/23/2006 |
| 7001966 | Method for the production of isobutene polymers The present invention relates to a process for preparing an isobutene polymer using a cyclopentene derivative as initiator and to the isobutene polymer obtainable by means of the process and to particular functionalization products thereof. ... | 02/21/2006 |
| 6989425 | Process for cross-linking a polymer Process for cross-linking a polymer or a resin with the help of a peroxide, in the presence of a co-agent, the co-agent used being a compound according to formula 1, in which n is higher than or equal to 2, R1 is an aliphatic or aromatic group and the R | 01/24/2006 |
| 6974845 | Polymer composition crosslinkable with ultraviolet An ultraviolet-crosslinkable polymer composition comprising a polymer containing iodine and/or bromine in an amount of from 0.001 to 10% by weight, a photoinitiator as a crosslinking agent and a polyfunctional unsaturated compound as a crosslinking aid. By using iod... | 12/13/2005 |
| 6956093 | Preparation of syndiotactic polybutadiene, rubber composition and tire with rubber component The present invention relates to the preparation of syndiotactic 1,2-polybutadiene polymer using a catalyst containing a carbon disulfide in which the polymerizate thereof is treated with hydrogen peroxide, to preparation of a composite of conjugated diene-based ela... | 10/18/2005 |
| 6956084 | Nano-particle preparation and applications A 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. The nano-particles can be modified via, for exampl... | 10/18/2005 |
| 6914091 | Compositions comprising hydrogenated block copolymers and end-use applications thereof Flexible hydrogenated block copolymers can be successfully used in a variety of applications including films, profiles, sheets, coatings, injection molded articles, blow or rotational molded articles and pultruded articles. ... | 07/05/2005 |
| 6903144 | Non-aqueous solvent-free process for making UV curable adhesive and sealants from expodized monohydroxylated diene polymers This invention is a process for making UV curable adhesives, sealants, coatings, ink, flexible printing plates, laminating adhesives, fibers, gaskets, and related compositions, films, and thin parts, wherein an epoxidized monohydroxylated polydiene polymer comprised... | 06/07/2005 |
| 6875818 | Polymer nano-strings A polymer nano-string composition is provided. The polymer nano-strings can include a poly(alkenylbenzene) core, and a surface layer comprising poly(conjugated diene). The nano-strings have a mean average diameter of less than about 100 nm and a length of greater th... | 04/05/2005 |
| 6872785 | Multi-layer nano-particle preparation and applications A multi-layer nano-particle composition including a polymer core and at least two additional layers is provided. The nano-particles have a mean average diameter less than about 100 nm. The nano-particles can be modified via, for example, hydrogenation or functionali... | 03/29/2005 |
| 6855780 | Polymer, process for producing the polymer, and curable composition containing the polymer This invention provides a production method of a vinyl polymer having a functional group at a molecular chain terminus which comprises adding a compound (I) having a functional group and an internal alkenyl group or conjugated polyene compound (II) in the living rad... | 02/15/2005 |
| 6831133 | Addition of unsaturated hydrocarbons to poly(vinyl chloride) and functionalization thereof The preparation of allylated poly(vinyl chloride) by utilizing an allyltrialkylsilane in the presence of Friedel-Crafts acids is disclosed. The pendant allyl groups can be further reacted through various functionalization reactions to contain end groups such as epox... | 12/14/2004 |
| 6818710 | Process for producing modified polymer rubber There is provided a process for producing a modified polymer rubber, which comprises the steps of: (1) reacting one part by mol of an organoalkali metal compound with n±0.7 (n is an integer of 3 or more) parts by mol of a specific... | 11/16/2004 |
| 6800671 | Low peak exotherm curable compositions Compositions having a curable unsaturated compound, an adhesion promoter and curing agent which have a peak exotherm of less than 50° C. are disclosed. The compositions when cured are flexible bioadhesives which are also disclosed. Non-curable diluents can be inclu... | 10/05/2004 |
| 6777499 | Multiblock interpolymers and processes for the preparation thereof The present invention relates to multiblock interpolymers having the following symmetric structures and processes for their preparation: Y-X-Y, wherein Y represents a block of a random copolymer of conjugated diene and monovinyl aromatic monomer; and X represents a ... | 08/17/2004 |
| 6765066 | Copolymers prepared by using both anionic polymerization techniques and coordination catalysts A process for forming a copolymer comprising the steps of (i) preparing a living polymer segment by using anionic polymerization techniques, (ii) modifying the living polymer by reacting it with an alkyl metal halide to form an organometallic polymeric intermediate,... | 07/20/2004 |
| 6753388 | Structurally-modified polymer flocculants This invention is directed to structurally-modified water-soluble polymers prepared by initiating polymerization of an aqueous solution of monomers under free radical polymerization conditions to form a polymer solution and adding at least one structural modifier to... | 06/22/2004 |
| 6727321 | Allylation poly(vinyl chloride) and further functionalization of allyl groups The preparation of allylated poly(vinyl chloride) by utilizing an allyltrialkylsilane in the presence of Friedel-Crafts acids is disclosed. The pendant allyl groups can be further reacted through various functionalization reactions to contain end groups such as epox... | 04/27/2004 |
| 6723774 | Method for producing caoutchouc particles The invention relates to a method for producing caoutchouc particles (K) by means of emulsion polymerisation in the presence of an emulsifier and a polymerisation initiator. Said particles contain A) 80 to 100 wt. % of one or more conjugated diene monomers (A) in re... | 04/20/2004 |
| 6720395 | Method for producing a stellar polymer A method of producing a stellar polymer which comprises polymerizing a vinyl monomer in the manner of living radical polymerization and adding a compound having two or more polymerizable carbon-carbon double bonds at the end point of the polymerization is provided. ... | 04/13/2004 |
| 6706821 | Michael addition products of amine terminated polyolefins and polyfunctional acrylates Adducts of polyfunctional acrylates and amine terminated polyolefins are provided. The adducts are prepared via a Michael addition reaction of the acrylate and the amine terminated polyolefin. The resultant adducts can be further polymerized with acrylic monomers vi... | 03/16/2004 |
| 6699941 | Block copolymer The present invention relates to selectively hydrogenated block copolymers where one of the blocks is a random copolymer of a mono-alkenyl arene monomer, such as styrene, and a 1,3-cyclodiene monomer, such as 1,3-cyclohexadiene, and one of the other block... | 03/02/2004 |
| 6689469 | Crystalline polymer nano-particles A polymer nano-particle composition is provided. The composition includes polymer nano-particles having a poly(alkenylbenzene) core and a surface layer comprising a crystalline polyolefin. The nano-particles preferably have a mean average diameter of less... | 02/10/2004 |
