Class / Patent application number | Description | Number of patent applications / Date published |
526209000 | Material contains ether | 24 |
20090124773 | Crosslinked Polyolefins For Biomedical Applicatios And Method of Making Same - The invention relates to a polymer composition that includes a branched alkene which is cationically polymerizable as well as a glass-forming comonomer and/or a vinyl comonomer containing benzocyclobutene as the pendant group. The structure of the polymer composition can take various forms: linear random copolymer, linear block copolymer, star random copolymer, star block copolymer, and other hyperbranched polymers. The copolymer composition can undergoes crosslinking at elevated temperatures (preferably above 180° C.). | 05-14-2009 |
20090281261 | Abatement of Fluoroether Carboxylic Acids or Salts Employed in Fluoropolymer Resin Manufacture - A process for making fluoropolymer resin comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent comprising fluoroether carboxylic acid or salt thereof to form an aqueous dispersion of particles of fluoropolymer. The fluoroether carboxylic acid or salt thereof employed in the process has the formula: | 11-12-2009 |
20100029876 | POLYMERIZATION ACCELERATOR, CURABLE COMPOSITION, CURED PRODUCT, AND PROCESS FOR PRODUCING THIOL COMPOUND - A polymerization accelerator includes a specific thiol compound. A curable composition of excellent thermal stability contains the polymerization accelerator. A cured product is obtained from the curable composition. The polymerization accelerator includes a thiol compound having two or more groups represented by Formula (1) below: | 02-04-2010 |
20100029877 | SOLID CATALYST FOR OLEFIN POLYMERIZATION, OLEFIN POLYMERIZATION METHOD, AND OLEFIN POLYMER PARTICLE PRODUCED BY THE METHOD - An object of the present invention is to provide solid catalyst component for manufacturing an olefin polymer having an excellent particulate morphology without the concern of causing fouling, and a polymerization of olefin in the presence of said solid catalyst component. | 02-04-2010 |
20100029878 | METHOD FOR PRODUCING FLUOROPOLYMER USING FLUOROCARBOXYLIC ACID COMPOUND - To provide a method for efficiently producing a fluoropolymer by an aqueous emulsion polymerization in which a fluorocarboxylic acid compound is used. | 02-04-2010 |
20100286351 | ABA TRIBLOCK COPOLYMER AND PROCESS FOR PRODUCING THE SAME - To provide a novel ABA-type triblock copolymer of vinyl ether series, comprising polyvinyl ether and an oxystyrene-series unit, and a process of producing the ABA-type copolymer at a series of steps. The invention relates to a novel ABA-type triblock copolymer comprising Segment A comprising an oxystyrene-series repeat unit (a) and Segment B comprising a vinyl ether-series repeat unit (b), in which the Segment A and the Segment B are bonded together with a single bond, and to a simple process of producing the same. The triblock copolymer can be produced at a series of steps in a simple manner, comprising living cationic polymerization of a vinyl ether-series monomer such as ethyl vinyl ether in the presence of a bifunctional initiator and a Lewis acid, and subsequently adding an oxystyrene-series monomer such as p-hydroxystyrene for living cationic polymerization. | 11-11-2010 |
20110082271 | Vinylidene fluoride and trifluoroethylene containing polymers - A polymer comprising recurring units derived from vinylidene fluoride (VDF) and trifluoroethylene (TrFE), such polymer comprising end groups of formula —CF | 04-07-2011 |
20110201773 | POLYMER-DENDRIMER HYBRIDS - The present invention relates to a branched vinyl polymer carrying dendrons made from monofunctional vinyl monomers and branched by virtue of difunctional vinyl monomers so that there is on average one branch or fewer per polymer chain to avoid gelation. The polymer may be made by chain-growth polymerization of predominantly monofunctional vinyl monomers in the presence of difunctional vinyl monomers and dendron units. | 08-18-2011 |
20110237765 | Amide-linked Perfluoropolyether Thiol Compounds and Processes for their Preparation and Use - A perfluoropolyether thiol compound comprises a perfluoropolyether segment, at least one mercapto group (—SH), and at least one intervening divalent carbonylimino moiety (—C(═O)—NR—, wherein R is hydrogen or alkyl). The compound can be produced, for example, by a ring-opening reaction of thiolactones with perfluoropolyether-substituted, primary or secondary amines. The compound can be used, for example, as a polymerization chain transfer agent, as an intermediate for the preparation of functional group-containing fluorochemical derivatives such as disulfides, and as a fluorinated surface treatment. | 09-29-2011 |
20120130035 | Low-Viscosity Aqueous Compositions - Provided are low-viscosity aqueous compositions comprising compounds of Formula (III) and (IV). These compositions are prepared by jointly ethoxylating a mixture of the compounds of the Formula (I) and (II) to give an intermediate which represents a mixture of compounds of Formulas (I*) and (II*). The intermediate is then converted by sulfation or phosphation and subsequent neutralization, into an aqueous composition comprising the compounds of Formula (III) and (IV). The aqueous compositions are notable for having, at 20° C., a Brookfield viscosity of 3000 mPas or less (measured at 20° C. with spindle 2 and 20 rpm), and are suitable as emulsifiers for emulsion polymerization. | 05-24-2012 |
20120149859 | LATEX FOR DIP MOLDING, COMPOSITION FOR DIP MOLDING, PREPARATION METHOD OF DIP MOLDED PRODUCT, AND DIP MOLDED PRODUCT PREPARED THEREBY - Provided are a latex for dip molding, a composition for dip molding, a preparation method of a dip molded product, and a dip molded product prepared thereby. The latex for dip molding includes a conjugated diene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer, wherein the latex further includes sodium methallyl sulfonate as a copolymerizable ionic monomer. A dip molded product having excellent tensile strength, elongation, and touch may be obtained from a composition using the latex according to the present invention, and the generation of limitations, such as non-uniformity of physical properties and difficulties in product management, may be prevented. | 06-14-2012 |
20120157642 | Catalyst Composition with Alkoxyalkyl Ester Internal Electron Donor and Polymer from Same - Disclosed herein are catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present catalyst compositions include an internal electron donor with a compounded alkoxyalkyl ester and optionally a mixed external electron donor. The present catalyst compositions improve catalyst selectivity, improve catalyst activity, and/or improve hydrogen response. Propylene-based polymer produced from the present catalyst composition has a melt flow rate greater than 10 g/10 min. | 06-21-2012 |
20120157643 | Procatalyst Composition with Alkoxyalkyl 2-Propenoate Internal Electron Donor and Polymer from Same - Disclosed herein are catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present catalyst compositions contain an internal electron donor of an alkoxyalkyl 2-propenoate and optionally a mixed external electron donor. The present catalyst compositions improve catalyst selectivity and polymer stiffness. Polypropylene homopolymer produced from the present catalyst composition has a xylene solubles content less than 4 wt % and a T | 06-21-2012 |
20120157644 | PRODUCTION METHOD FOR WATER-ABSORBENT RESIN | 06-21-2012 |
20130296512 | Vinylidene fluoride and trifluoroethylene polymers - The present invention pertains to a fluoropolymer [polymer (F)] comprising:
| 11-07-2013 |
20130345381 | SYNTHESIS OF MAKING 2,3,3,3-TETRAFLUOROPROPENE CONTAINING FLUOROPOLYMERS - The invention relates to a method for synthesizing 2,3,3,3-tetrafluoropropene containing fluoropolymers using non-fluorinated surfactants in an emulsion process. No fluorinated surfactants are used in the process, and a persulfate initiator is used as the primary initiator. The process produces high molecular weight copolymers. | 12-26-2013 |
20140005346 | METHOD FOR PRODUCING METHYL METHACRYLATE POLYMER | 01-02-2014 |
20140114034 | POLYMER AND METHOD FOR PRODUCING SAME - The time when at least a monomer and a chain transfer agent are supplied in a reactor and the solution temperature in the reactor has reached a predetermined polymerization temperature is set as starting time (T | 04-24-2014 |
20140148566 | HIGH PERFORMANCE ZIEGLER-NATTA CATALYST SYSTEMS, PROCESS FOR PRODUCING SUCH MGCL2 BASED CATALYSTS AND USE THEREOF - Improved Ziegler-Natta catalysts and methods of making the improved catalyst are described. The Ziegler-Natta catalyst is formed using a spherical MgCl | 05-29-2014 |
20140288252 | STRUCTURE DIRECTED VAPOUR PHASE POLYMERISATION OF CONDUCTIVE POLYMERS - Disclosed herein is a process for producing a conductive polymer, the process comprising: providing a substrate having an oxidant layer on a surface thereof, the oxidant layer containing an oxidant, a solvent or blend of solvents, and a relatively high molecular weight non-ionic surfactant; exposing the surface containing the oxidant layer to a vapour containing an aryl or heteroaryl monomer that is polymerisable to form a conductive polymer without exposing the oxidant layer to an external source of water vapour; and polymerising the aryl or heteroaryl monomer to form a polyaryl or polyheteroaryl conductive polymer on the surface of the substrate. | 09-25-2014 |
20150038659 | PROCESS FOR PREPARING HALOGENATED POLYMERS - The invention concerns a process for the aqueous suspension, micro-suspension, emulsion or micro-emulsion polymerization of at least one halogenated monomer, in particular chlorinated, for example vinyl chloride, by itself or with one or more other vinyl monomers, preferably less than 50% by weight of one or more other vinyl monomers, in which at least one shortstopper and at least one perhalogenate, acting as a whitening agent, are added. | 02-05-2015 |
20160122270 | PROTECTING PHENOL GROUPS - A method for protecting a phenol group on a precursor compound is provided. The method includes reacting the phenol group with dihydropyran in an acid catalyzed protection reaction and quenching the protection reaction with a strong base within less than about 60 seconds to form a protected precursor compound. | 05-05-2016 |
20160130377 | Apparatus and Method for Preparing Polybutene Having Various Molecular Weights - Disclosed are an apparatus and method for preparing polybutene having various molecular weights by using complex catalysts of different molar ratios. The apparatus for preparing polybutene having various molecular weights, comprises: a complex catalyst preparing device for preparing a high-activity complex catalyst and a low-activity complex catalyst to form highly reactive polybutene through polymerization; a high-molar ratio complex catalyst system for controlling the storage and supply of the high-activity complex catalyst; a low-molar ratio complex catalyst system for controlling the storage and supply of the low-activity complex catalyst; and a reactor to which reaction raw materials including the high-activity complex catalyst, the low-activity complex catalyst, and isobutene are supplied to be polymerized into highly reactive polybutene. | 05-12-2016 |
20190144584 | Alkoxylated Unsaturated Fatty Acids and Uses Thereof | 05-16-2019 |