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JP5581569B2 |
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JP5581288B2 |
A process for producing peroxydicarbonates comprising first reacting at least one inorganic peroxide with at least one alkali metal hydroxide to form at least one alkali metal peroxide. The at least one alkali metal peroxide is added to ...
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JP5578208B2 |
The present invention concerns a method for preparing a fluorine-containing elastomer, characterized in that any one of the following methods (1) to (8) or by combining two or more thereof are carried out: (1) a metal compound is not ble...
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JP2014148670A |
To provide an emulsifier for emulsion polymerization, which brings about less toxicity and less bioaccumulation in conducting emulsion polymerization of a fluoropolymer compared with cases of use of a perfluorooctanoic acid (PFOA) ammoni...
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JP5569519B2 |
The present invention provides a low-molecular weight polytetrafluoroethylene powder that, when used as an additive in a coating material, etc., can form a coating with excellent texture and gliding properties, while also improving dispe...
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JP5569660B1 |
An object of the present invention is to provide a method for recovering a fluorine-containing ether capable of recovering a fluorine-containing ether used for producing a fluoropolymer, in higher recovery yield and in a shorter time. Th...
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JP5572550B2 |
Method of making fluoropolymers by emulsion polymerization of one or more fluorinated monomers in an aqueous phase in the presence of a fluorinated emulsifier, said method comprises adding a doping agent in a weight ratio with respect to...
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JP5564160B2 |
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JP2014516115A |
The invention also relates to the solutions comprising the said solvent system and the said fluoropolymer, and to their uses in the manufacture of films, membranes and coatings.
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JPWO2012114441A1 |
Vinyl chloride, a dispersant for suspension polymerization, which has excellent basic characteristics as a primary dispersant such as reducing the fish eye of the obtained vinyl chloride resin and increasing the bulk specific gravity, ha...
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JP2014118500A |
To provide efficient monomer removal device and monomer removal method.In a monomer removal deice 100 in one embodiment comprises: a treatment tank 1 to be charged with polymer slurry; a polymerization can 2 connected to the treatment ta...
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JP5527934B2 |
The present invention concerns a method for preparing a fluorine-containing elastomer, characterized in that any one of the following methods (1) to (8) or by combining two or more thereof are carried out: (1) a metal compound is not ble...
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JP5532532B2 |
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JP5533961B2 |
The present invention aims to provide a novel method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles. The present invention relates to a method for producing an aqueous dispersion con...
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JP5513514B2 |
A process comprising polymerizing in an aqueous medium at least one fluorinated olefin monomer other than vinylidene fluoride in the presence of a compound of formula (1): Rf(CH2CF2)m—(CH2)nSO3M (1) wherein Rf is a C1 to C4 linear...
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JP5502079B2 |
The invention pertains to a method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said aqueous emulsion polymerization is carried out in the presence of at least one c...
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JP5505405B2 |
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JP5507601B2 |
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JP5506392B2 |
A novel aqueous polymerization process for making fluoropolymer dispersions is disclosed in which non-ionic non-fluorinated emulsifier is used to produce fluoropolymer emulsions. The emulsifiers contain blocks of polyethylene glycol, pol...
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JP5474762B2 |
The present invention provides an electrolyte having high conductivity even under high-temperature low-humidification conditions (e.g. at a temperature of 100 to 120°C and a humidity of 20 to 50% RH) and thereby makes it possible to rea...
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JP5470044B2 |
A process includes polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer. The polymerization agent includes fluoropoly...
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JP5464210B2 |
The present invention is aimed to provide a highly-productive method for producing a stabilized fluoropolymer. The present invention relates to a method for producing a stabilized fluoropolymer, comprising the step of bringing a fluoropo...
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JP5464776B2 |
Use for the preparation of paints for substrata coatings of aqueous dispersions of VDF-based polymers having an average particle size between 0.260 and 0.3 micrometers comprising a bifunctional surfactant of formula: €ƒ€ƒ€ƒ€ƒ...
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JP5461588B2 |
The present invention provides a coating material which can be formed into a coating film having high durability, high hydrophilic properties, and excellent contamination resistance, even if the coating material contains no photocatalyst...
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JP2014507520A |
A proton exchange material includes perfluorinated carbon backbone chains and side chains extending off of the perfluorinated carbon backbone chains. The perfluorinated side chains include cross-link chains that have multiple sulfonimide...
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JP5450300B2 |
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JP5445573B2 |
The present invention concerns a method for preparing a fluorine-containing elastomer, characterized in that any one of the following methods (1) to (8) or by combining two or more thereof are carried out: (1) a metal compound is not ble...
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JP5446269B2 |
The present invention provides a process for producing an aqueous fluorinated polymer dispersion having a reduced content of a fluorinated emulsifier by using a weakly basic anion-exchange resin to let it adsorb and remove a fluorinated ...
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JP5449061B2 |
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JP2014043578A |
To provide tackified PSAs that have a core-shell structure and are stable under high shear.A multi-step process for preparing an aqueous dispersion of heterogeneous polymer particles by mini-emulsion polymerization comprises the step (I)...
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JP5439186B2 |
A process for polymerizing at least one fluorinated monomer in an aqueous medium in the presence of initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer having a fluoropolymers solids content of ...
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JP5435089B2 |
An aqueous fluoropolymer dispersion having a fluoropolymer content of 20-75 wt.-% and comprising (i) dispersed fluoropolymer particles having - an average primary particle diameter of 50-400 nm, and - a surface layer obtained by emulsion...
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JP5433112B2 |
A method for producing a chlorinated vinyl chloride resin of the present invention includes chlorinating a vinyl chloride resin by irradiating the inside of a reactor, into which the vinyl chloride resin and chlorine have been introduced...
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JP5432957B2 |
The invention pertains to a process for manufacturing a monomer of formula: CF 3 OCF 2 OCF=CF 2 , said process comprising the following steps: I obtaining fluoroformate of formula CF 3 OCOF ; II reacting said fluoroformate with elemental...
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JP5423763B2 |
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JP5410987B2 |
A novel aqueous polymerization process for making fluoropolymer dispersions is disclosed in which non-ionic non-fluorinated emulsifier is used to produce fluoropolymer emulsions. The emulsifiers used in the invention are those that conta...
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JP5405515B2 |
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JP2014501803A |
A process for producing vinyl fluoride polymer comprising polymerizing vinyl fluoride in an aqueous polymerization medium containing initiator and halogen-free surfactant with a critical micelle concentration of less than about 0.05 weig...
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JP5392188B2 |
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JP5397424B2 |
The present invention provides a method of producing a fluoropolymer aqueous dispersion by which the fluorine-containing emulsifier contained in the fluoropolymer aqueous dispersion as obtained after polymerization can be efficiently rem...
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JP2014005471A |
To provide a fluorinated ionomer of a low equivalent weight that can be processed to a thin film.There are provided an ionomer having (1) a low equivalent weight (less than 950, preferably 625-850, and most preferably 675-800) and (2) a ...
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JP2014005475A |
To provide a method for producing a chlorinated vinyl chloride-based resin, which can obtain the chlorinated vinyl chloride-based resin that enables at least one of suppressing initial coloring when thermally molded and improving thermal...
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JP5386876B2 |
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JP5391550B2 |
To provide a method for producing a melt-processable fluororesin, which is capable of increasing the molecular weight of the fluororesin and preventing coloration of the fluororesin, by using a specific fluorinated emulsifier other than ...
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JP5383952B2 |
The present invention provides vinyl chloride-based resin aggregate particles capable of providing a plastisol with excellent non-infiltrating property and favorable sagging property, a method for producing the same, and a glove using th...
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JP5375095B2 |
To provide a perfluorocarboxylic acid salt excellent in a surface tension reducing ability. A perfluorocarboxylic acid salt having an iron content of at most 10 ppm by mass and represented by the following formula (1): ...
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JP5377286B2 |
The invention pertain to a process for purifying a fluoropolymer dispersion, said process comprising: (i) providing an aqueous dispersion (D) of at least one fluoropolymer [polymer (F)] comprising at least one fluorinated surfactant [sur...
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JP5377554B2 |
To provide methods for producing new fluorinated compounds and fluorinated polymers. The method for producing the fluorinated compounds represented by the following formula (4), comprises reacting 2-chloro-2,2-difluoroethane-1,1-diol and...
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JP2013253141A |
To provide a method for producing a vinylidene fluoride-based polymer having high-temperature coloration resistance.A method for producing a vinylidene fluoride-based polymer comprises: an acid-addition step of adding an acidic substance...
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JP5372765B2 |
A method for producing a vinylidene fluoride based polymer powder having a high molecular weight and excellent solubility in an organic solvent, which is useful as an electrode binder for nonaqueous cells, is provided. Methods for produc...
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