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7619013 |
Reclaimed resin composition produced from pulverized waste plastic material containing solid foreign materials
[Problems] To produce a resin composition from a waste plastic material composed of a major portion of a thermoplastic resin and a small amount of incompatible solid foreign material. [Means for...
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7534855 |
Method of preparing vinylchloride-based resin capable of producing plastisol with low viscosity, vinylchloride-based resin prepared using the method, method of preparing vinylchloride-based plastisol, and vinylchloride-based plastisol prepared using the method
Provided is a method of preparing a vinylchloride-based resin. The method includes adding to a vinylchloride-based latex an acid, preferably, 1-7 parts by weight of the acid based on 100 parts by...
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7488790 |
Processing of bimodal polymers
The present invention discloses the use of a supercritical fluid to improve the homogeneity of heterogeneous bi- or multi-modal resins resulting from a physical or a chemical blend of two or more...
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7384994 |
Charge dissipation modifiers for olefinic interpolymer compositions
Olefinic interpolymer compositions comprising the olefinic interpolymer, residuals from a transition metal catalyst and boron containing activator package, and a charge dissipation modifier and...
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7368525 |
Polymeric alkoyamines prepared by atom transfer radical addition (ATRA)
The instant invention pertains to polymeric alkoxyamines, which are prepared by atom transfer radical addition polymerization (ATRA). Further aspects of the invention are a process for their...
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7365118 |
Polymer-assisted deposition of films
A polymer assisted deposition process for deposition of metal oxide films is presented. The process includes solutions of one or more metal precursor and soluble polymers having binding properties...
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7332565 |
Method for the reduction of the residual monomer content in aqueous polymer dispersions
A method for reducing the amount of residual monomer in aqueous polymer dispersions by aftertreatment with an initiator system comprises aftertreating the aqueous polymer dispersion with addition...
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7276574 |
Process for producing vinyl polymer
The present invention provides a method for producing a vinyl polymer including the steps of polymerizing a vinyl monomer by atom transfer radical polymerization with a transition metal complex as...
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7259231 |
Extraction and fractionation of biopolymers and resins from plant materials
A method for the extraction, separation, fractionation and purification of biopolymers from plant materials using supercritical and/or subcritical solvent extractions is disclosed. Specifically,...
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7208555 |
Process for preparing polyvinylidene fluoride copolymer
The present invention provides a polyvinylidene fluoride copolymer capable of forming a uniform film, a solution of the copolymer and a thin film comprising the polyvinylidene fluoride copolymer....
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7189779 |
Process for trapping residual monomer with an epoxide functional group in a thermoplastic composition
The invention relates to a process for trapping a free monomer which has not reacted by copolymerization or by grafting comprising at least one epoxide functional group in a thermoplastic...
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7169887 |
Thermoplastic molding material and moulded bodies produced therefrom
A thermoplastic molding composition is described comprising a) from 20 to 99% by weight of a thermoplastic polymer other than a polyoxymethylene homo- or copolymer, from 0.1 to 80% by weight of a...
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7148301 |
High purity fluoropolymers
The invention relates to high purity fluoropolymers and processes for making such materials. These polymers are particularly suited for applications in the semiconductor industry. The process...
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7144934 |
Charge dissipation modifiers for olefinic interpolymer compositions
Olefinic interpolymer compositions comprising the olefinic interpolymer, residuals from a transition metal catalyst and boron containing activator package, and a charge dissipation modifier and...
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7101961 |
Method for preparation of poly(o-phenylenediamine) Nano-belt
The present invention provides a method for preparation of poly(o-phenylenediamine) nano-belt comprising mixing aqueous solutions of o-phenylenediamine and of oxidant in a mole ratio of 1:0.1–1...
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7030199 |
Method for producing water-soluble or water-swellable polymerizates with a very low residual monomer content, products produced according to this method and the use thereof
The invention relates to a process for producing water-soluble or water-swellable polymer products from acrylic acid and/or acrylic acid derivatives partially or completely neutralized with...
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6995234 |
Nanocomposites of dendritic polymers
In the present invention, an inorganic reactant is, or reactants are, localized with respect to a dendritic polymer by physical constraint within or by a non-covalent conjugation to the dendritic...
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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...
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6949608 |
Process for producing hydrogenated polymers
The present invention relates to a process for the hydrogenation of an unsaturated polymer comprising hydrogenation of an unsaturated polymer in a reaction mixture comprising hydrazine, an...
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6894145 |
Methods to purify polymers
The present invention discloses methods to remove impurities in polymeric materials in order to improve the opto-electronic characteristics of devices fabricated from these polymers. The polymers...
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6855800 |
Method for trapping a residual monomer with epoxide function in a thermoplastic composition
For trapping a residual monomer containing an expoxide function that has not reacted by copolymerization or by grafting, in a thermoplastic composition based on a copolymer of ethylene and/or...
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6806350 |
Washing process for the purification of polymers containing N or amino, ammonium or spirobicyclic ammonium groups
The invention relates to a washing process for cleaning polymers containing N or amine, ammonium or spirobicyclic ammonium groups, comprising cationic groups containing N, in addition to suitable...
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6790933 |
Low protein natural latex articles
The present invention is directed to a process for producing a powder free natural latex article and the articles produced by the process. In one embodiment, the process of the present invention...
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6755963 |
Hydrogenation process for hydrocarbon resins
This invention provides a process for hydrotreating hydrocarbon resins, which process comprises contacting a feedstock comprising a hydrocarbon resin or rosin, under suitable hydrotreating...
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6737504 |
Synthesis of substituted poly(aniline)s
A method for preparing a wide range of substituted poly(aniline)s from a single precursor is described. The method uses a variety of reactions, including a boron activation/electrophilic...
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6713597 |
Preparation of polyimide polymers
A process for the preparation of a reactive friable polyimide powder comprises dissolving an aromatic dianhydride and an organic diamine in a high-boiling, aprotic organic solvent to form a...
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6706843 |
Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste
For separation and recovery of dimethyl terephthalate (DMT) and ethyiene glycol (EG) from polyester waste containing foreign materials, the polyester waste is treated in EG containing a polyester...
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6703454 |
Adsorber system to replace water column in a polyester process
The present invention provides a process for recovering a dihydroxy compound from a fluid stream that results from the preparation of a polyester by use of an adsorption system to selectively...
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6664366 |
Thermally stable polymers, method of preparation, and articles made therefrom
Thermally stable polymers comprising chain members derived from at least one 1,3-dihydroxybenzene moiety and at least one aromatic dicarboxylic acid moiety, said polymer being substantially free of...
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6642350 |
Method of purifying bishydroxyalkyl terephthalate
A container made of, e.g., polyethylene terephthalate is pulverized and decomposed in the presence of a catalyst by the use of a solvent such as an alcohol or glycol to obtain crude bishydroxyalkyl...
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6610818 |
Process for producing amino resin particles
A process for producing amino resin particles includes: a reaction process for obtaining a reaction solution containing an amino resin precursor which is obtained by a reaction of an amino compound...
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6606852 |
Rocket motor insulation containing hydrophobic particles
A rocket motor insulation including an elastomer base polymer is improved in its processability by the addition of silica particles treated with a hydrophobic coating. The insulation also...
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6605654 |
Tire sealing and inflating composition and method of use
A new composition, method, and apparatus for sealing and inflating a flat tire are described. The new composition includes a gas-generating agent and an activator, along with a sealant. In use, a...
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6590023 |
Method for treating coating formulations
A method of making a coating formulation prior to its introduction onto a web to be printed by an ink jet printer. The method includes the steps of: determining the nature and amount of undesirable...
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6573358 |
Process for the preparation of superabsorbent polymers from polyacrylonitrile precipitation polymers
A process for the preparation of superabsorbers is disclosed. The process entails subjecting a polyacrylonitrile precipitation polymer alkaline hydrolysis to obtain a hydrolysis product. The...
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6552110 |
Thermoplastic marking compositions
The subject invention pertains to thermoplastic marking compositions comprising a binder, which in turn comprise at least one homogeneous polymer. Accordingly, the subject invention provides a...
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6521735 |
Production process of polyphenylene ether
A process for producing a polyphenylene ether by oxidative polymerization of a phenol compound using a catalyst and an oxygen-containing gas, wherein said catalyst comprises a copper compound, a...
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6518395 |
Method for producing reactive coating powder compositions
Process for preparation powder coating formulations by pressure release of a composition comprising a low molecular mass inert compound, with release of the low molecular mass inert compound, in...
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6515099 |
Shaped article of polyamide resin and production thereof
The polyamide resin shaped article of the present invention is produced by preliminarily melt-kneading a m-xylylene-containing polyamide resin and a layered silicate subjected to a swelling...
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6504062 |
Process for the preparation of odor-lean polyether polyols
A process for the preparation of odor-lean polyether polyols from polyether polyol product stream obtained by reacting a starting compound having a plurality of active hydrogen atoms with one or...
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6486265 |
Method for surface modification of molded article of plastic and method for modifying polymer
An invented method for the surface modification of a molded plastic treats a molded plastic with an oxygen-atom-containing gas such as oxygen, carbon monoxide, a nitrogen oxide, or a sulfur oxide...
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6485607 |
Methods for removing volatile components from polymer solutions
A method for removing volatile components from polymer solutions is disclosed. The method, yielding products having low content of residual volatile components and causing no thermal damage to the...
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6465609 |
Process for removal of metal catalyst from polymer selectively hydrogenated using organotitanium compound
The present invention provides an effective process for removal of the residual metal catalyst from a polymer solution using water and alcohol containing an inorganic acid after selective...
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6455641 |
Method for preparing silicon with high purity ester function
The invention concerns a method for preparing polyorganosiloxanes with high purity ester function (acetoxyalkyl or acetoxyalkenyl), consisting in: hydrosilylation between a...
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6451967 |
Method of drying saponified ethylene-vinyl acetate copolymers
A method of drying saponified ethylene-vinyl acetate copolymers which includes melting and kneading a mixture including one or more saponified ethylene-vinyl acetate copolymer species and having a...
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6429284 |
Method for treating flame retardant resin composition
For efficiently recycling a flame retardant resin composition constituted of a flame retardant and a resin, the present invention provides a method for treating a flame retardant resin composition...
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6414052 |
Polymeric particles and production method thereof
Polymeric particles of a desired particle size improved with the dispersion state of a pigment contained in the high polymeric particles can be obtained by a production method, which includes...
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6410606 |
Process for producing natural rubber for pressure-sensitive adhesive and natural rubber-based pressure-sensitive adhesive composition
A process for producing a natural rubber for a pressure-sensitive adhesive, which comprises decreasing a molecular weight of an unmasticated natural rubber by the action of a peptizing agent while...
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6388149 |
Process for reacting an organic compound in the presence of a supported ruthenium catalyst
A process for the reaction of an organic compound in the presence of a catalyst comprising, as active metal, ruthenium alone or together with at least one Group Ib, VIIb, or VIIIb metal in an...
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6369192 |
Methods for removing contaminants from polymers
The present invention relates to a method for treating plastic polymers to reduce or remove organic contaminants. More particularly, the present invention relates to a method of treating, by...
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