Class / Patent application number | Description | Number of patent applications / Date published |
525383000 | Chemical treating agent contains elemental oxygen or oxygen-containing compound | 55 |
20140171595 | PROCESS FOR CONVERTING A POLYMERIC ESTER TO A POLYMERIC ACID - The present invention generally relates to processes for converting an ester group to an acid group for polymers having a pendant ester of an acid group. This process is generally performed using an aqueous strong base. | 06-19-2014 |
20140171596 | METHOD FOR MANUFACTURING POLYMER - The method for manufacturing a polymer of the present invention is a method for manufacturing a polymer where a hydroxy group is added to a terminal of either one of a homopolymer of a non-conjugated olefin, a homopolymer of a conjugated diene compound, and a copolymer of a conjugated diene compound and a non-conjugated olefin, the method comprising: a first reaction step of reacting a hydrocarbon containing at least either one of the non-conjugated olefin and the conjugated diene compound with an organic aluminum compound, using a rare earth element compound-containing catalyst; a second reaction step of reacting a first reactant obtained from the first reaction step with oxygen; and a third reaction step of reacting a second reactant obtained from the second reaction step with at least either one of water and alcohol. | 06-19-2014 |
525384000 | Oxygen compound contains at least one alcohol group | 18 |
20090192271 | Propylene Polymers - Propylene polymers having specific values of total comonomer content and melting temperature, articles obtained therefrom, in particular extrusion blow molded articles, and gas-phase process for obtaining said propylene polymers. | 07-30-2009 |
20090221761 | PROCESS FOR REMOVING RESIDUAL VOLATILE MONOMERS FROM A POLYMER IN POWDER FORM - A process for purifying a polymer containing residual volatile monomers by drying the polymer powder under vacuum at a pressure and at a temperature which allows the vaporization of the residual monomers and optionally de-aggregating by sieving. | 09-03-2009 |
20100069578 | Functional Hydrocarbon Polymers and Process for Producing Same - A method of synthesizing a compound of formula (IIIe), comprising a step of reacting a compound of formula (IIIc): A functional polymer of formula (XXXa): The variables in formulas (IIIc), (IIIe), and (XXXa) are defined herein. | 03-18-2010 |
20110040044 | SURFACE TREATMENT METHOD OF WATER-ABSORBING RESIN AND PRODUCTION METHOD OF WATER-ABSORBING RESIN - The present invention provides a surface treatment method for a water-absorbing resin comprising three steps of:
| 02-17-2011 |
20110166300 | WATER-ABSORBENT RESIN MANUFACTURING METHOD AND LIQUID PERMEABILITY IMPROVEMENT METHOD - A method for the production of a water-absorbing resin is to be provided which permits enhancement and stabilization of property, for example, liquid permeability, of a water-absorbing resin by a simple and convenient method without requiring change of raw materials or expensive facility investment. The method comprises a polymerization step for polymerizing an aqueous solution of acrylic acid (or salt thereof) to obtain a hydrogel cross-linked polymer; a drying step for drying the hydrogel cross-linked polymer to obtain a water-absorbing resin powder; a classification step for classifying the water-absorbing resin powder; and a surface cross-linking step for surface cross-linking the water-absorbing resin powder before or after the classification step, wherein electricity is eliminated in the classification step. | 07-07-2011 |
20110237754 | Process for Producing Water-Absorbent Polymer Particles by Polymerizing Droplets of a Monomer Solution - The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, which comprises thermal postcrosslinking in the presence of steam. | 09-29-2011 |
20110301303 | PROCESS FOR PREPARING WATER ABSORBENT RESIN WITH HIGH PERFORMANCE - The present invention relates to a process for preparing a water absorbent resin, particularly to a process for preparing a water absorbent resin which can resolve the uneven size of the fine pulverized gel-type resin and long pulverizing time those are the problems of prior process for preparing the water absorbent resin, by carrying out the pulverizing process of the gel-type resin divided into the coarse pulverizing process which is carried out with the internal cross-linking polymerization, and the fine pulverizing process. According to the preparation process, it is possible to mass-produce the water absorbent resin showing excellent absorption under pressure and low extractable content. | 12-08-2011 |
20110313113 | Polyacrylic water-absorbent resin powder and method for producing the same - A production method of the present invention is a polyacrylic water-absorbent resin powder production method including the steps of: producing an acrylic monomer solution in which gas is dissolved and/or dispersed; polymerizing the acrylic monomer solution in the absence of a surface active agent or in the presence of not more than 300 ppm of a surface active agent; during or after the step of polymerizing, fragmenting a hydrated gel crosslinked polymer obtained by polymerizing the acrylic monomer solution; and drying by heat the hydrated gel crosslinked polymer thus fragmented, the gas being dissolved and/or dispersed in the acrylic monomer solution by at least one of the methods (a) to (c): (a) applying pressure to the acrylic monomer solution and the gas; (b) creating swirling flows of the acrylic monomer solution and the gas; and (c) introducing the gas with the acrylic monomer solution via fine holes. Accordingly, the production method of the present invention makes it possible to efficiently produce a water-absorbent resin having an excellent water-absorption rate without deteriorating a liquid-absorbent property of a sanitary product or the like. | 12-22-2011 |
20120220733 | PRODUCTION METHOD FOR WATER-ABSORBING RESIN POWDER | 08-30-2012 |
20130005919 | PROCESS FOR PRODUCING WATER-ABSORBING RESIN - The disclosed process for continuously producing a water-absorbing resin comprising a plurality of joined continuous steps; a polymerization step of polymerizing an aqueous unsaturated monomer solution, a drying step of drying a particulated water-containing gel-like crosslinked polymer obtained in a finely crushing step during the polymerization or after the polymerization, a pulverizing step after the drying, a classification step after the drying, and a surface treatment step for the water-absorbing resin powder after the classification step. In the process, with some of the above steps kept running, the other steps are interrupted, and subsequently all the steps are restarted. | 01-03-2013 |
20130059983 | METHOD OF MANUFACTURING ESTERIFIED SUBSTANCE - According to the invention, a method of manufacturing an esterified substance including a process in which a copolymer is obtained by copolymerizing a 1-alkene having 5 to 80 carbon atoms and maleic anhydride, and a process in which an esterification reaction of the copolymer and an alcohol having 5 to 25 carbon atoms is caused in a presence of trifluoromethanesulfonic acid in order to obtain a reaction mixture containing an esterified substance including at least one repetition unit selected from formulae (c) to (f) is provided, and, in the formulae (c) to (f), R represents an aliphatic hydrocarbon group having 3 to 78 carbon atoms, R | 03-07-2013 |
20130123435 | METHOD OF PRODUCING ABSORBENT RESIN - Provided is a method which does not require alteration of the raw materials or high capital investment, and improves and stabilizes the physical property (for example, liquid permeability) of a water absorbent resin by means of a simple technique. A method for producing a water absorbent resin is disclosed, which method includes a polymerization step of polymerizing an aqueous solution of acrylic acid (salt) to obtain a water-containing gel-like crosslinked polymer; a drying step of drying the water-containing gel-like crosslinked polymer to obtain a water absorbent resin powder; a classification step of classifying the water absorbent resin powder; and a surface crosslinking step of surface crosslinking the water absorbent resin powder, wherein in the classification steps that are carried before the surface crosslinking step and/or after the surface crosslinking step, the stretch tension (tension) of the metal sieve mesh used in the classification step is from 35 [N/cm] to 100 [N/cm]. | 05-16-2013 |
20140051813 | PREPARATION METHOD OF SUPERABSORBENT POLYMER - The present invention relates to a preparation method of a superabsorbent polymer, and specifically to a method of preparing a superabsorbent polymer including the steps of: preparing a hydrous gel phase polymer by thermal polymerizing or photo-polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the hydrous gel phase polymer; milling the dried polymer; classifying the milled hydrous gel phase polymer into two or more grades by particle size; adding a surface cross-linking agent to each hydrous gel phase polymer classified into two or more grades; and carrying out a surface cross-linking reaction of the hydrous gel phase polymer to which the surface cross-linking agent is added. | 02-20-2014 |
20140058048 | PREPARATION METHOD OF SUPERABSORBENT POLYMER - The present invention relates to a method of preparing a superabsorbent polymer, including the steps of: preparing a hydrous gel phase polymer by thermal polymerizing or photo-polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the hydrous gel phase polymer; milling the dried polymer; adding a surface cross-linking agent to the milled polymer; and elevating the temperature of the polymer including the surface cross-linking agent at a speed of 3° C./min to 15° C./min, and carrying out a surface cross-linking reaction at 100° C. to 250° C. | 02-27-2014 |
20140371400 | METHOD FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN - The purpose of the present invention is to provide a method for producing a water absorbent resin having improved physical properties, particularly, improved saline flow conductivity (SFC) and less amount of fine powder. The present invention provides a method for producing a polyacrylic acid (salt)-based water absorbent resin, the method comprising: a polymerization step of supplying as a base material an aqueous solution containing an acrylic acid and/or an acrylic acid salt as a monomer component and polymerizing the monomer in the presence of a polymerization initiator, wherein in the polymerization step, there is used a polymerization apparatus which comprises a polymerization part covered with a case, said polymerization part comprising at least a supply line for supplying the aqueous solution, an external gas supply port, and a gas discharge port, and has a structure that a liquid contact part in contact with the aqueous solution and a gas supplied from the outside of the polymerization apparatus are brought into contact with the aqueous solution during a polymerization, and assuming that a controlled temperature of the liquid contact part is set as TS, a temperature of the gas part is set as TG, and TT is (TS+TG)/2, the polymerization is carried out under temperature conditions satisfying the following Equations 1 to 3: Equation 1: 35° C.≦TS≦85° C., Equation 2: 40° C.≦TG≦90° C., Equation 3: 47° C.≦TT≦73° C. | 12-18-2014 |
20150141582 | Hydroxyaryl Functionalized Polymers - Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing aryl functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers. | 05-21-2015 |
20160043322 | CONJUGATED POLYMER-BASED OPTOELECTRONIC MATERIAL - A conjugated polymer-based optoelectronic material includes: an optoelectronic conjugated polymer having a main chain and side chains; and an organic diluent which is at least partially miscible with the conjugated polymer. Molecules of the organic diluent physically react with the side chains of the conjugated polymer to form hydrogen bonds therebetween, thereby generating molecular constraints in the conjugated polymer to suppress molecular deformation of the conjugated polymer that occurs soon after the conjugated polymer is excited. | 02-11-2016 |
20160045895 | PREPARATION METHOD OF SUPERABSORBENT POLYMER - A method of preparing a superabsorbent polymer is provided, which is able to improve physical properties and to recycle fine powder generated during the preparation process. Particularly, a method of preparing a superabsorbent polymer capable of improving physical properties by using a base resin including a water-containing gel polymer and a base-treated fine powder regranulated body, which are different from each other in degree of neutralization, during preparation of the superabsorbent polymer, is provided. | 02-18-2016 |
525385000 | Oxygen compound contains an ether group | 8 |
20100036061 | Amphiphilic Polymer Capsules and Related Methods of Interfacial Assembly - Polymer capsules from amphiphilic graft copolymers comprising reactive, hydrophobic polyolefin backbones, and hydrophilic poly(ethylene glycol) (PEG) grafts are produced by self-assembly of the polymers at the oil-water interface, and crosslinking the assembly with bis-cyclooctene PEG derivatives in conjunction with ring-open metathesis polymerization catalysts. The use of the graft copolymer architecture in capsule synthesis provides significant opportunities to tune both the surface properties, in terms of recognition, and the membrane properties, in terms of mechanical strength, encapsulation, and release. | 02-11-2010 |
20100286342 | PROCESS FOR THE ALKOXYLATION OF AMINO GROUP CONTAINING POLYMERS - The present invention relates to a process for the alkoxylation of a first polymer comprising at least one monomer unit having NH groups and optionally NH | 11-11-2010 |
20100292411 | MODIFIED RUBBER AND MANUFACTURING METHOD FOR THE SAME - Double bonds, which are included in the respective isoprene units of natural rubber, are converted into epoxy groups, and are subsequently converted into hydroxyl groups by hydrolyzing the resulting epoxy groups. Since it is possible to introduce hydroxyl groups into all of the double bonds securely, and moreover since it is possible to introduce many hydroxyl groups into them, it is possible to utilize the setting for films for food packaging that are good in terms of gas non-permeability. | 11-18-2010 |
20110015351 | METHOD OF MANUFACTURING A PARTICULATE WATER-ABSORBING AGENT COMPOSED PRINCIPALLY OF A WATER-ABSORBING RESIN - Provided is a production method for the particulate water-absorbing agent, which can collecting the fine powders generated during the producing process efficiently without worsening working environment, and also the particulate water-absorbing agent produced by the production method thereof. This production method includes (1) a polymerization step for obtaining a polymer gel, (2) a drying step for drying said polymer gel to obtain a particulate water-absorbing resin, (3) a classification step for sieving said particulate water-absorbing resin, (4) a surface cross-linking step for cross-linking the neighborhood of the surface of said particulate water-absorbing resin (5) a packaging step for filling a packaging material container with said particulate water-absorbing agent for packaging and (6) a transportation step for transporting the products produced in each of the steps to the other steps. In this production method, the fine powders contained in gas composed principally of air, in any of the steps, can be collected by use of a trapping material. | 01-20-2011 |
20110028660 | PROCESS FOR THE PREPARATION OF CROSS-LINKED POLYALLYLAMINE POLYMER - A process for the polymerization of allylamine and its subsequent crosslinking in the presence of a dispersing agent. | 02-03-2011 |
20110306732 | POLYACRYLIC ACID (SALT) -BASED WATER-ABSORBENT RESIN AND A METHOD FOR PRODUCING IT - The purpose of the present invention is to improve the water absorption of a water-absorbent resin without sacrificing the productivity, production cost, safety, and so on. Provided is a sustainable and renewable water-absorbent resin with excellent whiteness, which is suitable for mass consumption as disposal diapers or the like, and which can dispense with excessive purification of raw material acrylic acid. Also provided is a process for the production of a water-absorbent resin, which comprises: a step of preparing acrylic monomers; a step of polymerizing the monomers; and a step of drying the obtained aqueous gel, wherein the monomers at the time of polymerization contain at least 400 ppm of propionic acid. | 12-15-2011 |
20120245301 | ACTIVATED SOLID SUPPORT AND METHOD - Disclosed is a method for activating a solid support material with epoxy groups and for immobilising ligands thereon, utilising phase transfer catalytic conditions. The method permits the introduction of epoxy groups and specific nucleophilic ligands on the support material with a high level of substitution. Furthermore, the invention provides a general method for immobilising a ligand for use in a wide variety of chromatographic separation procedures such as ion exchange chromatography, hydrophobic interaction chromatography (HIC), reverse phase chromatography (RPC), or affinity chromatography. | 09-27-2012 |
20130123436 | SMALL PARTICLE SIZE TELOMERS OF METHACRYLIC ACID OR ANHYDRIDE - The present invention provides compositions comprising particles or agglomerates of one or more telomer or cotelomer ((co)telomer) of one or more methacrylic acids or anhydrides having a mean average particle size of from 2 μm to 1 mm, preferably from 5 to 500 μm. In addition, the present invention provides methods comprising aqueous solution addition polymerizing a monomer mixture of one or more methacrylic acid in the presence of a heteroatom containing compound, drying the resulting copolymer at a temperature of from 120 to 230° C. and reducing its particle size to make a (co)telomer particle or agglomerate; the methods may further comprise reacting the (co)telomer particle or agglomerate with one or more polyether polyol, alkyl polyether polyol, polyether amine or alkyl polyether amine, with heating, to form a comb polymer useful, e.g. as a superplasticizer or dispersant. | 05-16-2013 |
525386000 | Oxygen compound is a carboxylic acid, ester, anhydride, or lactone thereof | 6 |
20080227925 | Composition containing macrocyclic ethylene isophthalate dimer and process of making - The present invention relates to a composition which includes macrocyclic ethylene isophthalate dimer. More specifically, the composition can be:
| 09-18-2008 |
20090043051 | Modified vinylamine-containing polymers as additives in papermaking - Vinylamine-containing polymers are disclosed where the amine groups are substituted with (1) cationic functional groups, (2) anionic functional groups, (3) hydrophobic functional groups, (4) hydrophilic functional groups, (5) functional groups that impart amphoteric characteristics to the polymers, or (6) combinations thereof. Also disclosed are processes for preparing such polymers, as well as compositions comprising such polymers. Among other applications, these polymers can be used in papermaking applications as dry strength additives, wet strength additives, retention aids, drainage aids, and pitch and stickies control agents. | 02-12-2009 |
20110054123 | High Impact Polymers and Methods of Making and Using Same - A method comprising contacting a grafting polymerization initiator with a composition comprising a vinylaromatic monomer and an elastomer under conditions suitable for the formation of a polymeric composition and forming the polymeric composition into an article wherein the article has an Izod impact strength of greater than 2.0 ft. lb./in. A method comprising contacting a grafting polymerization initiator with a vinylaromatic monomer and an elastomer under conditions suitable for the formation of a polymeric composition, wherein the grafting polymerization initiator comprises a peroxyketal. | 03-03-2011 |
20120130023 | HEAT-ACTIVATABLE FREE-RADICAL INITIATORS AND COMPOSITE MATERIAL WHICH COMPRISES MAGNETIC PARTICLES - Composite material comprising—one or more heat-activatable free-radical initiators selected from the group consisting of organic peroxides and/or initiators having labile carbon-carbon bonds and particles which have a core-shell structure and the core of which comprises one or more magnetic materials, while the shell comprises silicon dioxide. | 05-24-2012 |
20120208965 | ADDITION-FRAGMENTATION AGENTS - Addition-fragmentation agents of the formula are disclosed: | 08-16-2012 |
20130041113 | PROPYLENE-BASED POLYMER, ARTICLES, AND PROCESS FOR PRODUCING SAME - Disclosed are propylene-based polymer compositions and processes for producing same. Polymerization with an improved catalyst composition provides a propylene-based polymer with improved stiffness. | 02-14-2013 |
525387000 | Oxygen compound contains a peroxy group (-O-O-) | 16 |
20090018274 | METHOD FOR THE MANUFACTURE OF PRESSURE SENSITIVE ADHESIVES - A method for the manufacture of an adhesive id described, comprising: (A) Providing an initial reaction product of a solution polymerization reaction, the initial reaction product comprising polymer, unreacted polymerizable reactant, non-poly-merizable material, and solvent; and (B) Purifying the initial reaction product by adding an oxidizing agent and a reducing agent to the initial reaction product and allowing the unreacted polymerizable reactant in the initial reaction product to further react, thereby providing a second reaction product comprising additional polymer and a lower level of unreacted polymerizable reactant than was present in the initial reaction product. Optionally, the method of the invention may further comprise: Precipitating the polymer from the second reaction product to provide a precipitated polymer, and separating the precipitated polymer from the remainder of the second reaction product, the precipitated polymer comprising a lower level of non-polymerizable material or unreacted polymerizable reactant or both non-polymerizable material and unreacted polymerizable reactant than was present in the second reaction product. | 01-15-2009 |
20090023867 | Process for Producing Encapsulating Material for Solar Cell - The present invention provides a process for producing an encapsulating material for solar cell which makes high-speed crosslinking possible and causes no blister phenomenon without significant restrictions being imposed on the conditions for molding the encapsulating material. | 01-22-2009 |
20090099317 | Novel Rubber and Thermoplastic Multi-Component Systems, Rubber and Thermoplastic Composite Moulded Pieces Made Therefrom, Method for Production and Use Thereof - A multicomponent system is provided, composed of a thermoplastic component and of a rubber component, which comprises at least two different peroxidic crosslinking agents with specific decomposition temperatures, as also is a process for production of rubber-thermoplastic composite mouldings using the multicomponent system, and also the resultant rubber-thermoplastic composite mouldings. | 04-16-2009 |
20100076160 | Modifying tubular LDPE with free radical initiator - A method of modifying a tubular low density polyethylene (LDPE) is disclosed. In the method ethylene is polymerized with a free radical initiator in a high pressure reactor to form an LDPE. The LDPE is then reacted with a free radical initiator to produce a modified polyethylene. The modified polymer has an increased long chain branching index as indicated by the increase in the gel permeation chromatography branching index. | 03-25-2010 |
20100204409 | Process For Crosslinking Thermoplastic Polymers With Silanes Employing Peroxide Blends, The Resulting Crosslinked Thermoplastic Polymer Composition And Articles Made Therefrom - In one embodiment herein there is provided a composition comprising (i) one or more unsaturated silane compounds according to the Formula (1): | 08-12-2010 |
20110003942 | PROCESS FOR PRODUCING MODIFIED OLEFIN POLYMER - A process for producing a modified olefin polymer includes the steps of: (1) blending 100 parts by weight of an olefin polymer, 0.01 to 20 parts by weight of a polar group-carrying unsaturated compound, and 0.001 to 20 parts by weight of an organic peroxide, with one another, in a continuous extruder at a temperature T1 for a time S1, thereby forming a first blend; (2) blending the first blend in the continuous extruder at a temperature T2 for a time S2, thereby forming a second blend; and (3) blending the second blend in the continuous extruder at a temperature T3 for a time S3. T1, T2 and T3 have specific relationships to decomposition temperatures of the organic peroxide, and S1, S2 and S3 have specific relationships to half-lives of the organic peroxide. | 01-06-2011 |
20110034639 | FLUORORUBBER-BASED SEALING MATERIAL HAVING GOOD SEALING PROPERTIES UNDER HIGH/LOW TEMPERATURE LOAD - [Object] To provide a fluororubber-based sealing material which is excellent in sealing properties under high/low temperature load and is capable of sealing at a temperature of not higher than −40° C. even when gas oil (diesel fuel) is used. | 02-10-2011 |
20110118421 | PACKAGED FORMULATION COMPRISING A COMPOUND LIABLE TO EXOTHERMIC DECOMPOSITION - Packaged formulation comprising a compound liable to exothermic decomposition and optionally one or more organic diluents, said formulation being packaged in a container with a volume of at least 250 litre provided with a vent to release gases and made from a thermoplastic material having a Vicat B softening temperature not higher than (a) the run-away temperature of the compound liable to exothermic decomposition if the formulation does not contain any diluent, or (b) the boiling temperature of at least 50 wt % of the total weight of diluent if the formulation does contain organic diluent. | 05-19-2011 |
20120184685 | PACKAGED PEROXIDE FORMULATION - A packaged peroxide formulation comprising a container and a liquid peroxide formulation, wherein said container has a volume of at least 50 litres and a vent area/volume ratio of at least 20·10 | 07-19-2012 |
20120245302 | METHOD FOR PRODUCING MODIFIED PROPYLENE POLYMER - Disclosed is a method for producing a modified propylene polymer excellent in the balance between melt tension and flowability, the method involving a heat treatment step of subjecting a mixture comprising 100 parts by weight of a propylene polymer (A) and from 0.01 to 20 parts by weight of an organic peroxide (B) whose decomposition temperature at which the half-life thereof becomes 1 minute is lower than 120° C. to heat treatment by using an extruder at a temperature lower than the decomposition temperature of the organic peroxide (B) at which the half-life thereof becomes 1 minute. | 09-27-2012 |
20120309908 | Fibres and Nonwoven Prepared From Polypropylene Having a Large Dispersity Index - The present invention relates to a process for the production of fibres and filaments with polypropylene having a broad polydispersity index. The present invention also relates to high elongation nonwoven prepared from such fibres and filaments. It further relates to films and laminates prepared from high elongation nonwoven. | 12-06-2012 |
20130303710 | Fluoropolymer Dispersion Treatment Employing Hydrogen Peroxide to Reduce Fluoropolymer Resin Discoloration - Process for reducing thermally induced discoloration of fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous dispersion medium to form aqueous fluoropolymer dispersion and isolating said fluoropolymer from said aqueous medium to obtain said fluoropolymer resin. The process comprises:
| 11-14-2013 |
20140039130 | METHOD FOR PRODUCING FLUORINE-CONTAINING ELASTOMER - A peroxide-crosslinkable fluorine-containing elastomer IS produced by subjecting a fluorine-containing olefin and a perfluoroalkyl divinyl ether monomer represented by the general formula: | 02-06-2014 |
20150011713 | INITIATOR COMPOSITION, UNSATURATED POLYESTER RESIN COMPOSITION COMPRISING SAME, AND METHOD FOR CURING RESIN - An initiator composition, including: at least two compounds represented by the chemical formula of R—CO—O—O—CO—R and a compound represented by the chemical formula of R | 01-08-2015 |
20150031840 | METHOD FOR PRODUCING EPOXIDIZED NATURAL RUBBER, RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE - The present invention provides a method for producing epoxidized natural rubber with high productivity and at low cost, a rubber composition for a tire containing the epoxidized natural rubber, and a pneumatic tire formed from the rubber composition for a tire. The present invention relates to a method for producing epoxidized natural rubber, the method including: step (1) of reacting an acid anhydride with hydrogen peroxide to prepare an organic peracid; and step (2) of epoxidizing natural rubber latex with the obtained organic peracid. | 01-29-2015 |
20160046786 | MASTER MIXTURE COMPOSITION INCLUDING A PEROXIDE - invention relates to a transparent master mixture that includes an ethylene copolymer | 02-18-2016 |
525388000 | Specified oxygen-containing compound is air, elemental oxygen, or ozone | 5 |
20090030156 | PROCESS FOR PRODUCING SPECIAL-GRADE NATURAL RUBBER - The purity, molecular weight and other properties of natural rubber are controlled using the process of in situ ozonolysis reaction. The process further comprises a step of removing impurities from natural rubber latex by using a separator prior to the in situ ozonolysis reaction process, and a step of removing water from the modified natural rubber by using a coagulant, formic acid or acetic acid subsequent to the in situ ozonolysis reaction process. | 01-29-2009 |
20090088534 | Modification of polyethylene with ozone - A method of modifying polyethylene is disclosed. The method comprises contacting the polyethylene powder with ozone. The modified polyethylene exhibits an increase in melt elasticity and the complex viscosity at low shear rates. The rheological benefits are achieved without a significant reduction in the weight average molecular weight of the polyethylene. The modified polyethylene can be used in applications that require higher melt strength such as film or blow molding. | 04-02-2009 |
20130345368 | Fluoropolymer Resin Treatment Employing Melt Extrusion and Exposure to Oxygen Source to Reduce Discoloration - Process for reducing thermally induced discoloration of melt-processible fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous medium to form aqueous fluoropolymer dispersion and isolating said fluoropolymer from said aqueous medium to obtain said fluoropolymer resin. The process comprises:
| 12-26-2013 |
20140121331 | TREATMENT METHOD FOR FLUORORESIN PELLETS - Provided is a treatment method for fluororesin pellets to remove hydrofluoric acid released from fluororesin pellets obtained by melt-molding a melt-moldable fluororesin. The treatment method comprises bringing a hydrofluoric acid-removing medium selected from warm water of from 30 to 200° C., steam of from 100 to 200° C. and warm wind of from 40 to 200° C. into contact with fluororesin pellets obtained by melt-molding a melt-moldable fluororesin, and thereby treating the fluororesin pellets so that the amount of hydrofluoric acid released per kg of the resulting fluororesin pellets would be at most 5 μg as determined after the storage of the resulting fluororesin pellets at 35° C. for 15 days. | 05-01-2014 |
20140142255 | ATMOSPHERIC PRESSURE PLASMA PROCESSING OF POLYMERIC MATERIALS UTILIZING CLOSE PROXIMITY INDIRECT EXPOSURE - A plasma treatment method that includes providing treatment chamber including an intermediate heating volume and an interior treatment volume. The interior treatment volume contains an electrode assembly for generating a plasma and the intermediate heating volume heats the interior treatment volume. A work piece is traversed through the treatment chamber. A process gas is introduced to the interior treatment volume of the treatment chamber. A plasma is formed with the electrode assembly from the process gas, wherein a reactive species of the plasma is accelerated towards the fiber tow by flow vortices produced in the interior treatment volume by the electrode assembly. | 05-22-2014 |