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| Number | Title | Issue Date |
| 7977422 | Non-staining black sidewall The addition of a surfactant containing a thio functionality of the formula-S—, and specifically a polyether thioether surfactant to a rubber formulation results in a rubber compound having a glossy film on the outer, exposed surface. ... | 07/12/2011 |
| 7915368 | Method for making alkoxy-modified silsesquioxanes A method is presented for making alkoxy-modified silsesquioxanes (AMS) or co-alkoxy-modified silsesquioxanes (co-AMS,) comprising the steps of (a) combining as a reaction mixture (i) water, (ii) an acid-stable solvent for the water, (iii) a solid strong cationic hyd... | 03/29/2011 |
| 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 |
| 7897661 | Polymerized (substituted imidazolium) liquid ionomers for improved handling properties in silica-reinforced rubber compounds It has been discovered that the use of a silica dispersing aid, a polymerized (substituted) imidazolium liquid ionomer (PSI), in vulcanizable rubber compositions, provides an increase in the compound modulus and satisfactory processing of silica-containing rubber co... | 03/01/2011 |
| 7884160 | Non-spherical nanoparticles made from living triblock polymer chains The present invention provides polymeric nanoparticles comprising triblock and optionally diblock copolymer chains. The architecture of the polymeric nanoparticles may be controlled, resulting in nanoparticles having non-spherical shapes. The present invention also ... | 02/08/2011 |
| 7829624 | One-pot synthesis of nanoparticles and liquid polymer for rubber applications A method for performing a one-batch synthesis of a blend of nanoparticles and liquid polymer includes polymerizing a first monomer and optionally a second monomer in a hydrocarbon solvent to form the liquid polymer. The polymerization is terminated before completion... | 11/09/2010 |
| 7820580 | Nickel-based catalysts for preparing high cis 1,4-polydienes A nickel-carbene polymerization catalyst system for preparing high cis polydienes is provided. The catalyst system comprises (a) a nickel N-heterocyclic carbene complex, (b) an organoaluminum compound, (c) a fluorine-containing compound, and (d) optionally, an alcoh... | 10/26/2010 |
| 7799870 | Compounding silica-reinforced rubber with low volatile organic compound (VOC) emission Alkoxy-modified silsesquioxane compounds are described. The alkoxy-modified silsesquioxane compounds contain an alkoxysilane group that participates in an alkoxysilane-silica reaction as a silica dispersing agent in rubber, with the release of zero to about 0.1% by ... | 09/21/2010 |
| 7795344 | Nano-particle preparation and applications A nano-particle composition including a poly(alkenylbenzene) core and a poly(conjugated diene), a poly(alkylene), or a poly(alkenylbenzene) surface layer is provided. The nano-particles have a mean average diameter of less than about 100 nm. The nano-particles can b... | 09/14/2010 |
| 7790798 | Solution masterbatch process using finely ground fillers for low hysteresis rubber Methods are provided for making solution masterbatches containing a diene elastomer in an organic solvent and a silica filler, having a first average particle size, that is ground in an organic solvent to form a silica having a reduced second average particle size. ... | 09/07/2010 |
| 7786236 | 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 ends.... | 08/31/2010 |
| 7737218 | Method for generating free radical capable polymers using tin or silicon halide compounds Provided is a method comprising reacting the anionic living end of a polymer with a compound selected from the group consisting of tin halides and silicon halides to produced a polymer with a homolytically cleavable group containing a Sn—C bond or a Si—C bond. A... | 06/15/2010 |
| 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 |
| 7700673 | Reduced oil rubber compositions including N-substituted polyalkylene succinimide derivates and methods for preparing such compositions A reduced oil rubber composition includes (a) a silica filler, (b) a N-substituted polyalkylene succinimide derivative, and (c) a rubber matrix. In certain embodiments, the composition may comprise a reduced amount of oil, especially a reduced amount of aromatic oil... | 04/20/2010 |
| 7659342 | Polymer nano-particle with polar core and method for manufacturing same The present invention provides a nano-particle comprising a shell and a polar core, their preparation, and their applications in ER fluids, polymeric product, rubber composition, tire product, hard disk drive gasket, matrix composition, and engine mount etc. The she... | 02/09/2010 |
| 7649049 | Rubber composition containing a polymer nanoparticle Provided is a composition comprising a rubber and a polymer nano-particle comprising a poly(mono-vinyl aromatic) core and a poly(mono-vinyl aromatic-conjugated diene) surface layer, wherein the core of the polymeric nano-particle has a glass transition temperature (... | 01/19/2010 |
| 7608664 | Curable sealant composition and method for manufacturing same In one embodiment of the present invention, a curable sealant composition and method for its preparation are provided. The composition includes a polymer which is prepared by functionalizing a poly(conjugated diene) with a curable group such as a tetra-substituted s... | 10/27/2009 |
| 7601772 | Nano-composite and method thereof The present invention provides a nano-composite comprising a clay and a cationic mediator comprised of a hydrophobic unit and a cationic unit. The clay is exfoliated or intercalated by the cationic mediator. The present invention further provides a polymer formulati... | 10/13/2009 |
| 7597959 | Core-shell fluorescent nanoparticles A fluorescent nanoparticle includes a core comprising an alkenylbenzene; an intermediate layer, an outer shell layer, and a fluorescent portion. The fluorescent portion includes a structure represented by the following formula: | 10/06/2009 |
| 7592384 | Elatomeric composition containing multiple silane coupling agents An elastomeric composition is provided, wherein the composition comprises an elastomer; a reinforcing filler comprising silica; an organosilane polysulfide; and a blocked mercaptosilane, wherein the weight ratio of the blocked mercaptosilane to the organosilane poly... | 09/22/2009 |
| 7572855 | Nano-composite and compositions manufactured thereof The present invention is directed to nano-composite and composition comprising a cationic mediator and method thereof. The cationic mediator is comprised of a hydrophobic unit and a heterocyclic cationic unit. The nano-composite is practically useful in formulating ... | 08/11/2009 |
| 7560510 | Nano-sized inorganic metal particles, preparation thereof, and application thereof in improving rubber properties Provided are enophile functionalized polymer particles, nano-sized inorganic metal particles such as Al(OH)3 particles, and preparations thereof. Also provided is a method of improving the properties of a rubber composition, such as a tire, by formulating... | 07/14/2009 |
| 7517936 | Curable sealant composition A curable sealant composition is provided. The composition includes a polymer including at least conjugated dime contributed monomer units in a backbone of the polymer and terminal groups including silicon. The composition also includes additional sealant ingredient... | 04/14/2009 |
