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JP6662791B2 |
An apparatus for halogenation of a polymer is disclosed. The apparatus includes a reactor, at least one light source, a stirrer and a heater. The reactor contains a slurry of the polymer. The light source is disposed outside of the react...
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JP6657194B2 |
The present invention pertains to a process for manufacturing a vinylidene fluoride polymer, to a polymer obtainable via said process and to an article comprising the same.
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JP2020022966A |
To provide a dispersion auxiliary agent for suspension polymerization which can be used as an aqueous liquid having good stability and easy-to handle viscosity, and is useful for polymerization of a vinyl compound.A dispersion auxiliary ...
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JP6642433B2 |
A resin powder having a high bulk density and an average particle size of at most 50 μm from resin particles containing a fluorocopolymer as the main component and having a melting point of 260 to 320° C., where the fluorocopolymer con...
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JP6642580B2 |
To provide a curable fluorinated polymer excellent in solubility in an alcohol, a method for its production and a cured product of the fluorinated polymer. A fluorinated polymer comprising units represented by the following formula (1), ...
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JP6633834B2 |
A piezoelectric film which is better in heat and deformation resistant properties than those in the prior art is provided along with a method of making the same. The film is a piezoelectric film that is composed of a copolymer of vinylid...
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JP6633758B2 |
The present invention relates to a method for producing a vinyl chloride-based resin composition which exhibits good processability due to excellent solubility in a solvent, can implement excellent transparency in products produced, and ...
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JP6627041B2 |
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JP6622209B2 |
Process for polymerizing fluoromonomer to form an aqueous dispersion of fluoropolymer particles including: (a) providing an aqueous medium in a polymerization reactor, (b) adding nucleating additive comprising polyalkylene oxide having a...
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JP2019535849A |
The present invention relates to a coating composition obtained by mixing an aqueous latex of a VDF polymer with a specific pyridinium salt, a method for coating a base material using the same, a coating layer derived from the coating co...
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JP6614385B2 |
Provided is a method for producing a purified fluoropolymer containing less fluoridable end groups. The production method includes: (a) melting a fluoropolymer to give a molten fluoropolymer; (b) reducing a reaction inhibitor in the molt...
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JP6606387B2 |
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JP2019176958A |
To provide a base material that has high affinity with biological tissue, has excellent followability to body motion and excellent durability, hardly absorbs water, and can be reduced in size, and provide a printed wiring board, biologic...
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JP2019529671A |
The present invention relates to a method for producing a vinylidene fluoride polymer, to the vinylidene fluoride polymer obtained by the above method, and to the use of the vinylidene fluoride polymer in various applications. [Selection...
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JPWO2018079774A1 |
An object of the present invention is to provide a water-based paint for a vehicle interior member having excellent stain resistance to a sunscreen, a vehicle interior member having a cured film formed by using the water-based paint, and...
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JP6574061B2 |
This present disclosure relates to a method for preparation of polyvinylidene fluoride membrane with functional anthraquinones. The method is carried out according, to the following steps: step 1: preparing 2-(1-hydroxy-3-butene)-1,4,5,8...
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JP2019524497A |
The present invention relates to a fuel hose made of a metal-plated elastomer and a method for manufacturing the same. [Selection diagram] None
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JP6567042B2 |
Methods for synthesizing stabilized polymers of chlorotrifluoroethylene and products manufactured using such polymers are disclosed herein. In one exemplary embodiment, a method for synthesizing chlorotrifluoroethylene (CTFE)-based polym...
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JP2019521505A |
At least part of an LED chip or LED chip package, one or more selected from the group consisting of (a) tetrafluoroethylene, hydrofluoroethylene, hydrofluoropropene, hydrofluorobutene, hydrofluoropentene, and combinations thereof. Hydrof...
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JP6546493B2 |
To provide an additive which can obtain an aqueous dispersion having good stability, and can obtain a stable and good polymer (vinyl resin) when used in suspension polymerization of a vinyl compound.An additive for suspension polymerizat...
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JP2019108544A |
To provide a production method of a homopolymer or a heteropolymer (including copolymer and terpolymer) of 2,3,3,3-tetrafluoropropene having advantageous characteristics such as molecular weight characteristics and/or surface tension (ho...
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JP6525000B2 |
A dispersion stabilizer in the present invention contains an aqueous emulsion (a) obtained by dispersing a polymer (A) having an ethylenically unsaturated monomer unit in an aqueous medium, a PVA (B) having a degree of saponification of ...
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JP6526637B2 |
Fluoropolymers, specifically polyvinylidene fluoride (PVDF) polymers stabilized against color degradation due to high thermal exposure. The fluoropolymers are produced with free-radical initiators in the presence of surfactants containin...
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JP2019077875A |
To provide a coating containing a coating or impregnation composition for protecting a surface of ship from marine attachments.There is provided a coating, in which a coating or impregnation composition contains a polymer composition, th...
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JP6508307B2 |
To provide a process for producing a PTFE molding powder having a high bulk density from granular polymer particles without using an emulsifying agent having problems of bioaccumulation and toxicity. A process for producing a polytetrafl...
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JP6508266B2 |
Powder comprising low molecular weight polytetrafluoroethylene (PTFE) having a complex viscosity of 1 x 102 to 7 x 105 Pa·s at 380°C and containing ≤ 5 carboxyl groups at ends of the molecule chain per 106 carbon atoms in the main ch...
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JP6504251B2 |
The present invention provides a film having excellent heat resistance and a small difference between the permittivity at low temperatures and the permittivity at high temperatures. The present invention provides a film having a relative...
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JP2019052322A |
To provide a novel polydifluoroacetylene.The present invention provides a method for producing a polydifluoroacetylene characterized by including obtaining the polydifluoroacetylene by subjecting, to a dehydrohalogenation reaction, a pre...
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JP2019031583A |
To provide a coating for preventing adhesion of mold or algae, which can form a coat showing an excellent effect of preventing adhesion of mold or algae for a long time and having low environmental load.A coating is applied to the surfac...
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JP6471545B2 |
A method of manufacturing a crosslinked fluororesin powder includes forming a powder mixture by mixing a fluororesin powder as a first powder with a second powder not fusing to the fluororesin powder even under conditions for crosslinkin...
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JP2019019004A |
To provide a rotating sliding member excellent in slidability and surface properties, having releasability and wettability, and excellent in adhesion between respective layers in a case of a laminate.There is provided a rotating sliding ...
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JP6465175B2 |
Powder comprising low molecular weight polytetrafluoroethylene (PTFE) having a melt viscosity of 1 x 102to 7 x 105Pa.s at 380°C, having an average particle size of 1.0-50 µm, having a specific surface area of 0.5-20 m2/g and containing...
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JP6460321B2 |
Provided is a multi-core optical fiber which is capable of achieving a light reception amount equivalent to that of a single-core plastic optical fiber, while being reduced in bending loss. A multi-core optical fiber according to the pre...
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JP6444382B2 |
The present invention generally relates to polymeric membrane materials formed, at least in part, from monomeric material selected from 2,3,3,3-tetrafluoropropene (CF3CF=CH2, HF0-1234y0 or trans-1,3,3,3-tetrafluoropropene (CF3CH=CFH, HFO...
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JP6441791B2 |
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 the aqueous...
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JP6402095B2 |
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 ...
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JP2018154802A |
To provide a resin composition having excellent electrolyte holding power.A gelatinous electrolyte contains an electrolyte composition containing a solvent and an electrolyte, and a vinylidene fluoride copolymer, where the vinylidene flu...
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JP6374867B2 |
A crosslinking agent includes a compound represented by the following formula (1). In the formula (1), R 1 , R 2 , and R 3 are independently a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl gro...
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JP6369541B2 |
The present invention provides a method for producing a fluoropolymer aqueous dispersion having a significantly small particle size and excellent dispersion stability. The present invention relates to a method for producing an aqueous di...
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JP6365664B2 |
The present invention provides a polytetrafluoroethylene aqueous dispersion containing high-molecular-weight, significantly small polytetrafluoroethylene particles and having excellent dispersion stability. The present invention relates ...
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JP6356073B2 |
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JP2018104591A |
To provide a manufacturing method for preventing the following issues: scale is formed in a connection piping of a polymerization reactor for manufacturing vinyl chloride resin, the piping is blocked while the scale is growing and a poly...
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JPWO2017033689A1 |
A polymerization initiator composition for a fluorine-containing polymer that does not destroy the ozone layer and has little influence on the polymerization of the monomer of the fluorine-containing polymer, and a fluorine-containing po...
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JP6341633B2 |
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JP6333347B2 |
There are provided methods and systems for an electrochemical cell including an anode and a cathode where the anode is contacted with a metal ion that converts the metal ion from a lower oxidation state to a higher oxidation state. Hydro...
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JP6317366B2 |
Described herein is a method of making a fluoropolymer and fluoropolymers thereof, wherein the method comprises: (a) providing an aqueous solution comprising a water soluble polyiodide salt of Formula (I): M+y[I—I—(I)n]y− wherein M...
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JP6312599B2 |
Process for the preparation of a vinylidene chloride polymer comprising polymerizing vinylidene chloride and optionally at least one ethylenically unsaturated monomer copolymerizable therewith under the control of a RAFT agent of formula...
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JP6308949B2 |
The present invention aims to provide a method of producing a fluoropolymer aqueous dispersion having a significantly small particle size and excellent dispersion stability without using a long-chain fluorosurfactant. The present inventi...
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JP6274339B1 |
[Subject] A subject of the present invention is offer of a manufacturing method of water dispersion liquid which can form a coat excellent in water resistance and fog resistance, and the water dispersion liquid, distemper, and a paint ar...
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JP6269671B2 |
To provide a method for producing a stable aqueous fluorinated polymer dispersion in which a fluorinated polymer having a high molecular weight is dispersed with excellent productivity, and an aqueous fluorinated polymer dispersion and a...
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