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公开(公告)号：US20220007983A1
公开(公告)日：2022-01-13
申请号：US17413081
申请日：2019-11-29
申请人： CONSCIOUS LABS SAS
发明人： Michel ARMAND , Shiyu ZOU , Julien DAUGUET
摘要： The invention relates to an ionic conductive polymeric composition defined by the following general formula: (PH)x+(SOH)y+z(MCl); in which: —PH represents a polymer containing protic functions; —SOH represents a plasticizing polyol with a molecular mass of not less than 75 g/mol and not greater than 250 g/mol, in the form of discrete molecules; —MCl represents sodium or potassium chloride (M=Na or K); —0.3≤x/y≤3, x representing the amount by weight of the polymer PH, and y the amount by weight of the polyol SOH; —0.5%≤z≤15%, z representing the percentage by weight of MCl relative to the polyol SOH. Said polymeric composition may be used particularly as conductive material in electrodes for measuring electrophysiological signals.
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公开(公告)号：US20220002509A1
公开(公告)日：2022-01-06
申请号：US17475708
申请日：2021-09-15
摘要： A resin composition contains a hydrophilic resin and a metal compound, and has an X-ray diffraction peak at 2θ=2 to 15° in an X-ray diffraction pattern as measured by wide angle X-ray diffraction using CuKα radiation, and a resin composition contains a hydrophilic resin and a metal compound, wherein the metal compound satisfies the following general formula (1): Ma(OH)bAn−(2a−b)/n (1) wherein M is a metal species, A is an anionic ligand having a valence of n- and excluding a hydroxy ligand and O (oxo ligand), n is an integer not less than 1, and a and b are numbers greater than zero and satisfy an expression a/b=0.1 to 10. The resin composition exhibits excellent gas barrier property in a high humidity environment, particularly in oxygen barrier property in the high humidity environment.
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公开(公告)号：US20210309770A1
公开(公告)日：2021-10-07
申请号：US17267267
申请日：2019-09-03
申请人： KURARAY CO., LTD.
发明人： Yuji OKAMOTO , Yoshimi UMEMURA
IPC分类号： C08F16/06
摘要： Provided by the present invention is a production method of a polyvinyl alcohol resin in which a content of organic volatiles has been reduced while inhibiting fusing of the resin to itself. The production method includes a step of washing, with a washing liquid, a polyvinyl alcohol obtained by saponifying a polyvinyl ester, wherein the washing liquid contains 50 to 98 parts by mass of methyl acetate, 1 to 49 parts by mass of methanol, and 1 to 10 parts by mass of water with respect to 100 parts by mass being a total of methyl acetate, methanol, and water.
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公开(公告)号：US11111319B2
公开(公告)日：2021-09-07
申请号：US16089441
申请日：2017-03-30
申请人： KURARAY CO., LTD.
发明人： Yusuke Amano , Takumi Takayama , Kazuhiko Maekawa
IPC分类号： C08F16/06 , C08F116/06
摘要： A polyvinyl alcohol has a number-average molecular weight (Mn) from 4,400 to 440,000, a molecular weight distribution (Mw/Mn) from 1.05 to 1.70, a degree of saponification from 80 to 99.99 mol %, and a carbon-carbon double bond content (X) of 0.1 mol % or less based on total monomer units, and satisfying a formula (1) below. A polyvinyl alcohol, having a narrow molecular weight distribution and a high number-average molecular weight with good hue, and a method for producing the same are thus provided. X·Mn≤1000 (1)
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公开(公告)号：US11078309B2
公开(公告)日：2021-08-03
申请号：US16619152
申请日：2018-06-05
申请人： KURARAY CO., LTD.
发明人： Yuki Tachibana , Yusuke Amano , Kazuhiko Maekawa
摘要： There is provided a vinyl alcohol-based polymer having an olefin in side chain, comprising 0.001 to 10 mol % of a structural unit represented by Formula (1) based on the total amount of structural units, wherein the total carbon number of X, R1, R2, R3 and R4 is 2 or more. The vinyl alcohol-based polymer having an olefin in side chain has excellent storage stability, good solubility in water or an organic solvent even after thermal treatment, and excellent reactivity to high energy beam. In Formula (1), X represents an optionally substituted divalent aliphatic hydrocarbon group, an optionally substituted divalent alicyclic hydrocarbon group, an optionally substituted divalent aromatic hydrocarbon group, or a group consisting of two or more of these groups which are linked via at least one bond selected from the group consisting of an amide bond, an ester bond, an ether bond, and a sulfide bond; R1, R2, R3 and R4, independently of each other, represents a hydrogen atom, an optionally substituted aliphatic hydrocarbon group, an optionally substituted alicyclic hydrocarbon group, or an optionally substituted aromatic hydrocarbon group; and X, R1, R2, R3 and R4 can be arbitrarily combined to form a ring structure).
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公开(公告)号：US10954373B2
公开(公告)日：2021-03-23
申请号：US16417680
申请日：2019-05-21
发明人： Peter Morris
摘要： A method of making a water soluble polymer composition comprising blending a water soluble polymer with at least 15% by weight of the total weight of the composition of a hygroscopic salt to act as a lubricant to render the polymer extrudable and/or mouldable, wherein the water content of the composition is of less than 10% by weight of the total weight of the composition.
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公开(公告)号：US10793776B2
公开(公告)日：2020-10-06
申请号：US16153023
申请日：2018-10-05
申请人： MERCK PATENT GMBH
发明人： Hassan Arasi , Mariam Namutebi , Rachel Tuffin
IPC分类号： G02F1/1333 , C09K19/54 , C09K19/30 , C09K19/34 , C08F16/06 , B01J13/18 , G02F1/1334 , C09K19/20 , C09K19/18 , C09K19/12 , C09K19/04
摘要： The use of functionalized polymerizable polyvinyl alcohol as a binder or matrix for a dispersion of nanoparticles, wherein the nanoparticles respectively comprise a polymeric shell and a core containing a liquid crystalline medium. Composites comprising the functionalized polymer and the nanocapsules, methods for preparing the composites and electro-optical devices containing such composites.
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18.发明申请公开(公告)号：US20200283612A1
公开(公告)日：2020-09-10
申请号：US16882792
申请日：2020-05-26
发明人： Peter MORRIS
摘要： A method of forming a melt-processable water soluble polymer composition having a high Melt Flow Index comprising blending a water soluble polymer with at least 15% by weight of the total weight of the composition of a hygroscopic salt to act as a lubricant to render the polymer extrudable and/or mouldable and with a solvent polymer plasticizer, the hygroscopic salt being partially dissolved in the solvent polymer plasticizer, wherein the solvent polymer plasticizer is mono-propylene glycol, di-propylene glycol or a combination thereof.
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公开(公告)号：US10766978B2
公开(公告)日：2020-09-08
申请号：US16089483
申请日：2017-03-30
发明人： Takumi Takayama , Yusuke Amano , Kazuhiko Maekawa , Christophe Detrembleur , Antoine Debuigne , Christine Jerome
摘要： A polyvinyl alcohol is produced in a method comprising: a polymerization step comprising polymerizing vinyl ester monomers by controlled radical polymerization in the presence of a radical initiator and an organic cobalt complex to obtain a polymer solution containing a polyvinyl ester; an extraction step comprising extracting a cobalt complex from the polymer solution by contacting an aqueous solution containing a water-soluble ligand with the polymer solution; and a saponification step comprising saponifying the polyvinyl ester after the extraction step to obtain a polyvinyl alcohol. A method for producing a polyvinyl alcohol is thus provided that has a narrow molecular weight distribution and a high number-average molecular weight with good hue and further good solubility in water.
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公开(公告)号：US20200087860A1
公开(公告)日：2020-03-19
申请号：US16498879
申请日：2018-03-29
申请人： KURARAYCQ., LTD.
摘要： Release paper base paper includes a substrate; and a coating agent containing a modified polyvinyl alcohol (A) and sodium acetate, the substrate coated with the coating agent, wherein the modified polyvinyl alcohol (A) has 0.005 mol % or more and less than 10 mol % of double bonds derived from unsaturated carboxylic acid or a derivative thereof (B) in side chains, has 1.4 mol % or more and 2.0 mol % or less of 1,2-glycol bond, units, and is water soluble, and a content of the sodium acetate relative to the modified polyvinyl alcohol (A) is 0.01 mass % or more and 10 mass % or less. The release paper base paper of the present invention is excellent in sealing properties for silicone. Use of the release paper base paper allows acceleration of curing of silicone in a release layer and improvement in adhesion between the substrate and the release layer.
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