Class / Patent application number | Description | Number of patent applications / Date published |
524519000 | Solid polymer derived from halogen-containing monomer other than vinyl or vinylidene chloride | 29 |
20090137720 | FLOCCULANT COMPOSITION AND METHOD FOR MANUFACTURING THE SAME - A flocculent composition and a method for manufacturing the same are provided. The flocculent composition has an excellent ability to adhere to suspended particles, does not cause an increase in the viscosity of sludge, provides good drainage during mechanical dewatering to allow a reduction in the water content of a cake, and is applicable to various types of sludge. These characteristics are obtained by utilizing advantages of a crosslinking water-soluble polymer and a linear water-soluble polymer and changing the compounding ratio of the crosslinking water-soluble polymer to the linear water-soluble polymer according to the form of the size distribution of sludge particles. The flocculent composition includes a vinyl polymer-type crosslinking water-soluble polymer (A) having a charge inclusion ratio of 20% or more and a vinyl polymer-type linear water-soluble polymer (B) having a charge inclusion ratio of 5% or more and less than 20%. | 05-28-2009 |
20110263783 | Marble Chips for an Artificial Marble, Method of Making the Same, and Artificial Marble Including the Same - The present invention provides marble chips produced by hardening or molding a resin composition including a binder and a reactive monomer, wherein the binder comprises a halogenated alkoxylated diacrylate oligomer. The marble chips of the present invention can be formed into a uniform pattern, so that an artificial marble made using the marble chips of the present invention may have an outer appearance and texture similar to that of engineered stone. | 10-27-2011 |
524520000 | Fluorine-containing monomer | 27 |
20090171004 | Thermoplastic Halopolymer Composition - The invention pertains to a thermoplastic fluoropolymer composition comprising: at least one thermoplastic partially fluorinated fluoropolymer having a melt flow index (MFI) of less than 10 g/10 min, as measured according to ASTM D-1238 under a piston load of 5 kg polymer A; from 0.05 to 5% by weight of A at least one (per)fluoropolyether, polymer B; and from 0 to 10% by weight of A of at least one per(halo)fluoropolymer polymer C. The addition of a (per)fluoropolyether B and, optionally, of a per(halo)fluoropolymer C advantageously enables improvement of rheological behavior of thermoplastic partially fluorinated fluoropolymer A, making possible processing in less severe conditions and yielding final parts with outstanding surface aspect and good homogeneity and coherency. Still objects of the inventions are the process for manufacturing said thermoplastic fluoropolymer composition and the articles thereof. | 07-02-2009 |
20090203830 | Thermoplastic Fluoropolymer Composition - The invention pertains to a thermoplastic fluoropolymer composition comprising: at least one thermoplastic partially fluorinated fluoropolymer having a melt flow index (MFI) of less than 10 g/10 min. as measured according to ASTM D-1238 under a piston load of 5 kg polymer A; from 0.05 to 5% by weight of A at least one (per)fluoropolyether, polymer B; and from 0 to 10% by weight of A of at least one per(halo)fluoropolymer polymer C. The addition of a (per)fluoropolyether B and, optionally, of a per(halo) fluoropolymer C advantageously enables improvement of rheological behavior of thermoplastic partially fluorinated fluoropolymer A, making possible processing in less severe conditions and yielding final parts with outstanding surface aspect and good homogeneity and coherency. Still objects of the inventions are the process for manufacturing said thermoplastic fluoropolymer composition and the articles thereof. | 08-13-2009 |
20090253854 | High purity perfluoroelastomer composites and a process to produce the same - High purity perfluoroelastomer composites and processes for producing the same are provided. High purity composites may be formed from compositions comprising a crosslinkable fluoroelastomer terpolymer of TFE, PAVE, and CNVE, and functionalized PTFE, which may be crosslinked to form crosslinked composites having low metal content and low compression set. Emulsion mixtures for forming the high purity composites are also provided. | 10-08-2009 |
20090318608 | METHODS FOR PREPARING FLUOROPOLYMER POWDER COATINGS - Methods for preparing pigmented and nonpigmented powder coating compositions are disclosed. The methods generally involve the use of dispersions comprising a fluoropolymer. | 12-24-2009 |
20100004377 | WEATHERABLE, HIGH MODULUS POLYMER COMPOSITIONS AND METHOD - Disclosed are compositions comprising (i) a rigid thermoplastic resin comprising structural units derived from a (C | 01-07-2010 |
20100120970 | REVERSIBLE MICELLES AND APPLICATIONS FOR THEIR USE - The present invention relates to novel (AB) block copolymers for use in coating surfaces to provide self-cleaning surfaces and capture/release materials wherein the copolymers comprises a first hydrophobic block (A) comprising a polymer selected from the group consisting of: a homopolymer of a fluorinated acrylate or methacrylate monomer (A1); a random, alternating, gradient or block copolymer, (A1A2) comprising: a fluorinated acrylate or methacrylate monomer (A1); and a non-fluorinated acrylate or methacrylate monomer (A2); a random, alternating, gradient or block copolymer, (A1A2) comprising: a fluorinated acrylate or methacrylate monomer (A1) and a silyl acrylate or methacrylate monomer (A3); and a random, alternating, gradient or block copolymer, (A1A2A3) comprising: a silyl acrylate or methacrylate monomer (A1), a fluorinated acrylate or methacrylate monomer (A2) and a non-fluorinated acrylate or methacrylate monomer (A3); and a second hydrophilic block (B) comprising a non-fluorinated acrylate or methacrylate monomer. | 05-13-2010 |
20100298487 | EXTRUSION AGENT BASED ON A HETEROGENEOUS PVDF - The invention relates to an extrusion agent comprising: at least one heterogeneous PVDF (A), in other words a copolymer of VDF and at least one comonomer of VDF, comprising by weight at least 50%, advantageously at least 75%, of VDF which has a melting point Tm (expressed in ° C.)>172-549 m, preferably >1.1×(172-549 m), where m denotes the overall molar percentage of comonomer(s); and at least one interface agent (B), which are optionally diluted in a polyolefin (C). The heterogeneous PVDF preferably has a Tm of between 160 and 172° C. Advantageously it is also a VDF-HFP copolymer containing, by weight, from 88% to 92% of VDF and from 8% to 12% of HFP. The extrusion agent is used to reduce or eliminate the surface defects which arise during the extrusion of a thermoplastic resin (D). This resin may be a polyolefin, a styrenic resin, a polyester or a PVC. Optionally it may also be filled, i.e., may contain dispersed organic or inorganic particles. | 11-25-2010 |
20110040021 | METHODS FOR MELT-PROCESSING THERMOPLASTIC FLUOROPOLYMERS - A method comprising melt-processing a first composition. The first composition comprises a first fluoropolymer having a relaxation exponent of from 0.93 to 1.0 and a second fluoropolymer having a relaxation exponent of from 0.30 to 0.92. A method comprising melt-processing a first composition, wherein the first composition comprises a first fluoropolymer having an LCBI of from 0 to 0.1 and a second fluoropolymer having an LCBI of at least 0.2. A method comprising melt-processing a first composition, wherein the first composition comprises a core-shell polymer having a first fluoropolymer portion and a second fluoropolymer portion. The extrusion products have a lower width homogeneity index value than observed in state of the art fluo-ropolymers. | 02-17-2011 |
20110118403 | FLUOROPOLYMER AQUEOUS HYBRID COMPOSITIONS WITH IMPROVED FILM FORMATION - The invention relates to aqueous fluoropolymer hybrid compositions made by a seeded emulsion polymerization process, having improved film formation properties. The seed is a fluoropolymer dispersion. At least two different monomer compositions are added sequentially to the seeded dispersion. These monomer compositions preferably include acrylic monomers. The first monomer composition is selected for miscibility with the fluoropolymer dispersion. The second monomer composition is selected to have a glass transition temperature (Tg) of less than 30° C. The final composition can be formulated to make coatings with a minimum film forming temperature (MFFT) of less than 5° C., and a maximum VOC of 50 g/liter. The composition is especially useful for coatings and films. | 05-19-2011 |
20110201746 | POLYLACTIC ACID-BASED FILM OR SHEET - A method of producing a polylactic acid based film or sheet with improved heat resistance and comprised of a resin composition containing a polylactic acid according to a melt film forming method, wherein the resin composition comprises polylactic acid (A), an acidic functional group-denatured olefin based polymer (B) containing an acidic functional group, and having an acid number of 10-70 mg KOH/g and a weight average molecular weight of 10,000-80,000, and a tetrafluoroethylene based polymer (C), which method comprises performing melt film formation at a temperature of the resin composition between the crystallization temperature (Tc) in a decreasing temperature process of the resin composition +15° C. and the melting temperature (Tm) in a raising temperature process −5° C., or solidifying the resin composition melt-formed in a film state by cooling after a temperature controllable step at crystallization temperature (Tc) in the decreasing temperature process ±10° C. | 08-18-2011 |
20110213069 | AQUEOUS COATING COMPOSITION - The present invention relates to an aqueous coating composition having excellent coating adhesion, workability, heat resistance and chemical resistance, and has an object to provide an aqueous coating composition for sealing, which is suitable for members to be screwed in. The present invention relates to an aqueous coating composition including: as main components, component (A) an ethylene-vinyl acetate copolymer resin emulsion and component (B) two or more PTFE resin powders having different particle diameters, in which 35 to 80 parts by mass of water is contained on the basis of 100 parts by mass of the total of (A) and (B). | 09-01-2011 |
20110224358 | PEROXIDE CURABLE FLUOROELASTOMER COMPOSITIONS AND ARTICLES MADE THEREFROM - Peroxide curable fluoroelastomer compositions and articles made therefrom are disclosed. The compositions contain 5 to 45 weight percent, based on total weight of all fluoroelastomers present in the composition, of a blend of dynamically cured fluoroelastomer particles in an uncured fluoroelastomer. The compositions are unfilled, but have tensile properties adequate for many end use applications and are particularly useful as seals in semiconductor manufacturing equipment. | 09-15-2011 |
20110306716 | BLENDED FLUOROPOLYMER COMPOSITIONS HAVING MULTIPLE MELT PROCESSIBLE FLUOROPOLYMERS - Fluoropolymer compositions that include multiple fluoropolymer components and, in exemplary applications, may be applied as coatings to either rigid or flexible substrates. The compositions may themselves be applied as basecoats or overcoats, or may be combined with other components to formulate basecoats or overcoats. In one embodiment, the compositions include at least one low molecular weight polytetrafluoroethylene (LPTFE) and at least two chemically different melt processible fluoropolymers (MPF). In another embodiment, the compositions include at least one high molecular weight polytetrafluoroethylene (HPTFE), at least one low molecular weight polytetrafluoroethylene (LPTFE), and at least two chemically different melt processible fluoropolymers (MPF). After being applied to a substrate, optionally over a basecoat and/or a midcoat and then cured, the present compositions form coatings that demonstrate improved characteristics, such as improved release characteristics, abrasion resistance, translucency/transparency, and permeability, for example. | 12-15-2011 |
20120016070 | SURFACTANT COMPRISING FLUORINE-CONTAINING POLYMER - Provided is a surfactant which has a high surface tension reducing ability and a high solubility in a liquid medium, comprising a fluorine-containing copolymer containing, as essential components, a monomer having a fluoroalkyl group having 1 to 7 carbon atoms, a hydrophilic monomer, and a monomer having an ion donor group. Further provided are a coating composition, an ink composition and a photographic emulsion composition, each comprising the surfactant. | 01-19-2012 |
20120165458 | BLENDED FLUOROPOLYMER COATINGS FOR RIGID SUBSTRATES - A fluoropolymer coating composition that may be applied over a primer and/or at least one midcoat in a non-stick coating system. The coating composition may be prepared and applied in the form of a liquid dispersion, and includes at least one fluoropolymer base component, such as polytetrafluoroethylene (PTFE) and, in particular, at least one high molecular weight PTFE (HPTFE). The coating composition additionally includes a blended fluoropolymer composition. The blended fluoropolymer composition is a blend of at least one low molecular weight PTFE (LPTFE) and at least one melt-processible fluoropolymer. After application directly to a substrate or over an underlying coating, the coating demonstrates improved abrasion and scratch resistance, as well as improved release characteristics, as compared to known coatings that include only HPTFE or HPTFE with a small amount of melt processible fluoropolymer. | 06-28-2012 |
20120184665 | MODIFIED POLYTETRAFLUOROETHYLENE PARTICLES, METHOD FOR PRODUCING THE SAME, AND MODIFIED POLYTETRAFLUOROETHYLENE MOLDED PRODUCT - Provided are modified polytetrafluoroethylene particles having excellent moldability and processability. The modified polytetrafluoroethylene particles each have a core-shell structure that includes a particle core and a particle shell, the particle core having repeating units of tetrafluoroethylene and a comonomer (a), the particle shell having repeating units of tetrafluoroethylene and a comonomer (b), the comonomer (a) being a (perfluoroalkyl)ethylene represented by the following formula (I): | 07-19-2012 |
20120196971 | POLYVINYLIDENE FLUORIDE RESIN COMPOSITION, FILM, BACK SHEET, AND SOLAR CELL MODULE - Provided are a polyvinylidene fluoride resin composition that has good inorganic pigment dispersivity and that is unlikely to cause a defect due to poor dispersion and has practical mechanical strength characteristics in a film to be formed, and a film, a back sheet, and a solar cell module. | 08-02-2012 |
20120296029 | FLUORINE-CONTAINING MULTIFUNCTIONAL MICROSPHERES AND USES THEREOF - Fluorine-containing multifunctional microspheres and applications thereof are provided. There are provided multifunctional microspheres comprising polymer chains having a first portion and a second portion, wherein the first portion is anchored to the surface of the multifunctional microsphere via grafting, crosslinking or a combination thereof, and the second portion comprises at least one fluorinated group and at least one reactive functional group capable of forming a covalent bond with an adhesive, and uses thereof to prepare amphiphobic coatings on material surfaces. Also provided are multifunctional microspheres comprising two or more different types of such polymer chains, wherein the relative proportions of the different polymer chains may be tuned during preparation of the multifunctional microspheres. | 11-22-2012 |
20120296030 | BARRIER AND PRIMING COMPOSITIONS - The present application is directed to a primer composition comprising a fluorinated polymer and a nitrogen containing polymer. In some embodiments, the fluorinated polymer is a copolymer. In some embodiments, the fluorinated polymer is chlorinated. In some embodiments, the nitrogen containing polymer is amino functional, and in some embodiments, the nitrogen containing polymer is amide functional. | 11-22-2012 |
20130137812 | BLENDED FLUOROPOLYMER COMPOSITIONS AND COATINGS FOR FLEXIBLE SUBSTRATES - Blended fluoropolymer compositions that, in one exemplary application, may be applied as a coating to a flexible substrate and, optionally, to a flexible substrate that has been previously coated with a primer or basecoat and/or a midcoat. In one embodiment, the composition is a blend of at least one low molecular weight polytetrafluoroethyelene (LPTFE) and at least one melt-processible fluoropolymer (MPF). In another embodiment, the composition includes a fluoropolymer base component including at least one fluoropolymer such as high molecular weight polytetrafluoroethylene (HPTFE), and additionally includes the LPTFE/MPF blended fluoropolymer composition. After being applied to the flexible substrate, optionally over a primer or basecoat and/or midcoat, and then cured, the present compositions form coatings that demonstrate improved abrasion resistance and/or improved release characteristics and/or increased translucency/transparency and/or improved impermeability. The present compositions may also be used to produce films having a high degree of clarity and impermeability. The present compositions in powder form may be melt or paste extruded to form articles with improved impermeability. | 05-30-2013 |
20130190444 | WATER/OIL REPELLENT COMPOSITION AND ARTICLE - A water- and oil-repellent agent composition having a lower environmental impact to obtain articles having higher water-repellent friction durability and improved texture. The invention also provides an article treated on the surface with the water- and oil-repellent agent composition. The water- and oil-repellent agent composition includes a first fluoropolymer having structural units based on a first monomer and structural units based on a second monomer; a second fluoropolymer (excluding the first fluoropolymer) having structural units based on a third monomer; and an aqueous medium. The first monomer: compound represented by (Z—Y) | 07-25-2013 |
20130317162 | PERFLUOROELASTOMER GELS - Perfluoroelastomeric gel having the following properties:
| 11-28-2013 |
20130338298 | CONCENTRATED FLUOROPOLYMER DISPERSIONS STABILIZED WITH ANIONIC POLYELECTROLYTE DISPERSING AGENTS - An aqueous fluoropolymer dispersion comprising fluoropolymer particles having an average particle size of about 10 to about 400 nm. The dispersion has a solids content of at least about 35 to about 70 wt % and comprises about 0.03 wt % to about 10 wt % anionic polyelectrolyte dispersing agent based on the weight of fluoropolymer solids. The dispersion has a Gel Time of at least about 100 seconds. | 12-19-2013 |
20140088238 | High Purity Perfluoroelastomer Composites And A Process To Produce The Same - High purity perfluoroelastomer composites and processes for producing the same are provided. High purity composites may be formed from compositions comprising a crosslinkable fluoroelastomer terpolymer of TFE, PAVE, and CNVE, and functionalized PTFE, which may be crosslinked to form crosslinked composites having low metal content and low compression set. Emulsion mixtures for forming the high purity composites are also provided. | 03-27-2014 |
20140194565 | NON-SPHERICAL RESIN PARTICLES, MANUFACTURING METHOD THEREOF, AND USE THEREOF - Disclosed are non-spherical resin particles that allow for improvement of light diffusion, light reflection, and other related properties, and a manufacturing method thereof. The particles comprise first and second, different resin components ( | 07-10-2014 |
20140221556 | AQUEOUS DISPERSION AND METHOD FOR PRODUCING SAME - The present invention aims to provide an aqueous dispersion capable of forming a coating film that has excellent adhesion to a substrate and excellent water resistance. The aqueous dispersion of the present invention includes fluorine-containing composite polymer particles of a polymer (A) with a repeating unit of vinylidene fluoride and a polymer (B) with a repeating unit of at least one acrylic monomer selected from the group consisting of acrylic acid, acrylic acid esters, methacrylic acid, and methacrylic acid esters, the dispersion having an acid value of at least 3 mgKOH/g. | 08-07-2014 |
20140235783 | COMPOSITION AND COATED ARTICLE - The present invention aims to provide a composition that forms a film excellent in freeze-thaw resistance, as well as in transparency, weather resistance, adhesion to a base material, and blocking resistance. The present invention relates to a composition comprising polymer particles (A) and a crosslinking agent (B), the polymer particles (A) obtainable by seed polymerization of at least one monomer selected from the group consisting of acrylic acid esters and methacrylic acid esters, an unsaturated carboxylic acid, and a hydrolyzable silyl group-containing monomer in the presence of fluoropolymer particles as seed particles, and the crosslinking agent (B) having at least one group selected from the group consisting of aziridine, carbodiimide, and oxazoline groups. | 08-21-2014 |