baber/WOPTO huggingface dataset:
Patent JP-WO2020003341-A1 (JP)
Title: ロータ、電動機、送風機および空気調和装置
IPC: H02K1/27
Filed: 2018-06-25
Abstract: ロータは、中心軸を囲む環状の外周と、外周に沿って形成された磁石挿入孔とを有するロータコアと、磁石挿入孔に配置された永久磁石とを有する。永久磁石によって第１の磁極が構成され、ロータコアの一部によって第２の磁極が構成される。ロータコアは、第２の磁極に複数のスリットを有する。複数のスリットは、第２の磁極の極中心と当該中心軸とを結ぶ磁極中心線に対して対称に形成されている。複数のスリットは、当該中心軸を中心とする周方向において磁極中心線の一方の側に、磁極中心線に最も近い第１のスリットと、第１のスリットに対して周方向に隣接する第２のスリットとを有する。第１のスリットからロータコアの外周までの最短距離Ｌ１と、第２のスリットからロータコアの外周までの最短距離Ｌ２とは、Ｌ１＜Ｌ２を満足する。
Patent JP-WO2019066084-A1 (JP)
Title: 内視鏡用牽引クリップ
IPC: A61B17/02
Filed: 2018-10-01
Abstract: 【課題】処置に要するコストを低減すること。【解決手段】略Ｖ字状に開脚する一対のアーム部の基端側の連結部２１にスライド可能に外嵌されたリング２４を備えるクリップ本体２と、クリップ本体の一部にバネ３を介して取り付けられる熱可塑性高分子材料成形部品であり、ループ状に形成されたループ部４１を備え、該ループ部の一部に他の部分よりも弱い力で切断可能な脆弱部を有するループ部材４とを有する。ループ部４１は、シース５２およびシース５２に対して進退自在に配置され、連結部２１に係脱可能に係合する係合部材（連結フック５１）を有するクリップ装置５を用い、該係合部材を該ループ部の一部に係合させた状態で該係合部材を該シースの先端から引き込むことにより、該シースの先端と該係合部材とにより生じる力によって切断できる。【選択図】図７Ｂ
Patent JP-WO2019234849-A1 (JP)
Title: エレベータの群管理装置およびエレベータシステム
IPC: B66B1/18
Filed: 2018-06-06
Abstract: 本発明の目的は、不快な相手との乗り合わせをより確実に防ぐことができるエレベータの群管理装置（１１）およびエレベータシステム（１）を提供することである。エレベータシステムは（１）は、群管理装置（１１）を備える。群管理装置（１１）は、利用者の属性と、スケジュールと、に基づいて当該利用者の呼びを複数のかご（５）のいずれかに割り当てる。スケジュールは、複数のかご（５）のいずれかに適用可能である。スケジュールは、適用されるかご（５）への呼びの割当が可能な属性の指定を、予め定められた時刻によって切り替える。
Patent JP-WO2019111581-A1 (JP)
Title: 移動体および移動装置
IPC: B60L15/20
Filed: 2018-10-26
Abstract: 【課題】安価な車輪を使用することができ、進行方向を容易に正確に制御することができる移動体を提供する。【解決手段】移動体は、車体と、車体に支持されて回転する複数の車輪と、車輪をそれぞれ駆動する複数のモータと、車体に支持されて、ほぼ鉛直な軸線を中心に回転する回転台とを備える。【選択図】図１
Patent JP-WO2019117286-A1 (JP)
Title: 段ボール箱の分割装置及び段ボール箱の製造装置
IPC: B31B50/20
Filed: 2018-12-14
Abstract: 段ボール箱の分割装置及び段ボール箱の製造装置において、複数の段ボール箱連結体（Ｂ０）を積み重ねて搬送する下コンベア（１２１，１２２）と、下コンベア（１２１，１２２）に積み重ねられた複数の段ボール箱連結体（Ｂ０）を上方から押圧する押圧装置（１２５）と、段ボール箱連結体（Ｂ０）の幅方向（Ｄｂ）に沿って配置されて下コンベア（１２１，１２２）に積み重ねられた複数の段ボール箱連結体（Ｂ０）を前後に分割する切断刃（１２６）と、下コンベア（１２１，１２２）上の複数の段ボール箱連結体（Ｂ０）と切断刃（１２６）とを上下方向に沿って相対移動させる昇降装置（１２７）と、搬入上コンベア（１０２）が積み重ねられた複数の段ボール箱連結体（Ｂ０）を押圧したときの押圧反力が予め設定された基準押圧反力に到達したときの搬入上コンベア（１０２）の昇降高さに基づいて押圧装置（１２５）を制御する制御装置（２３１）とを設けている。
Patent JP-WO2019131667-A1 (JP)
Title: カーボンナノシートとその製造方法
IPC: C01B32/15
Filed: 2018-12-25
Abstract: 本技術は、１μｍ程度の１辺の長さを備えるとともに従来に比べて大面積のシート状のカーボンナノ材料であるカーボンナノシートとその製造方法を提供する。カーボンナノシートの製造方法は、鉄原子を含む化合物を溶媒に分散させた溶液とアルコールとを混合して混合溶液を製造する工程と、混合溶液にプラズマを照射してカーボンナノシートを製造する工程と、を有する。カーボンナノシートの１辺の長さは、０．５μｍ以上２．５μｍ以下である。【選択図】図２
Patent JP-WO2019138914-A1 (JP)
Title: 虚像表示装置およびヘッドアップディスプレイ装置
IPC: H04N5/64
Filed: 2018-12-27
Abstract: 像を形成するスクリーン（２３ａ，２３ｂ）と、前記スクリーン（２３ａ，２３ｂ）を所定の一方向へ移動させる移動機構（２３ｔ）と、前記スクリーン（２３ａ，２３ｂ）が所定の一方向に移動している間に順次形成される像を変換して光軸上の前記スクリーン（２３ａ，２３ｂ）の位置に対応した投影距離で虚像（ｉ２）を形成する虚像形成光学系（２４）と、を有し、実物の位置ごとに複数の投影距離に虚像（ｉ２）を実質的に同時に表示させることができる虚像表示装置、及び、ヘッドアップディスプレイ装置。
Patent JP-WO2020016943-A1 (JP)
Title: 電子マネー用エスクロー決済システム及び電子マネー用エスクロー決済方法
IPC: G06Q20/06
Filed: 2018-07-18
Abstract: エスクロー決済における電子マネーの利便性を高めることのできる電子マネー用エスクロー決済システム、及び電子マネー用エスクロー決済方法を提供する。電子マネー用エスクロー決済システムは、エスクロー決済に電子マネーを利用可能とするエスクローサービスサーバ(１)を備える。取引情報取得部(１１)は取引サイトサーバ(１０)から取引情報(１０１)を受け取る。代金受取処理部(１２)は、エスクローサービスサーバ(１)の第１の電子マネーの第１の口座(４１)に購入者(２０)からの入金が完了したことを認知したことに応じて、入金完了を販売者端末(３)に通知する。代金受渡処理部(１４)は購入者(２０)からの商品受取通知の受領に応じて、購入者(２０)から第１の口座(４１)に入金された第１の電子マネーのうちから支払い相当額に対応する量の第２の電子マネーを、エスクローサービスサーバ(１)の第２の口座から販売者(３０)に送金する。
Patent WO-2021140569-A1 (WO)
Title: Turbine and turbocharger
Inventor: TANIGUCHI NAO
IPC: F02B39/00
Filed: 2020-01-07
Abstract: This turbine comprises a turbine wheel that rotates about an axis O1, a turbine housing that accommodates the turbine wheel and defines an annular nozzle flow path on the outer circumferential side of the turbine wheel, and a plurality of small chord-pitch ratio nozzle vanes 6 provided with gaps therebetween in the circumferential direction of the nozzle flow path, wherein the turbine is configured such that each of the plurality of small chord-pitch ratio nozzle vanes 6 in a radial position different from that of a small chord-pitch ratio nozzle vane 6 adjacent in the circumferential direction, at positions where a hub-side wall surface that defines the nozzle flow path and the hub-side wall surface inside a shroud-side wall surface are connected. Consequently, when the pressure at a turbine inlet fluctuates greatly due to the exhaust pulsation of an engine, a moving vane incidence property can be greatly improved only through the use of the small chord-pitch ratio nozzle vanes 6, and turbine efficiency is improved in comparison to the prior art.
Patent WO-2021140585-A1 (WO)
Title: Magnetic stimulator
Inventor: MORI HITOSHI
IPC: A61N2/04
Filed: 2020-01-08
Abstract: The purpose of the present invention is to implement a magnetic stimulator: that can not only be large but also miniaturized; that has a temperature rise, due to heat generation when energized, that is lower than a safety standard; and that enables multiple continuous magnetic stimulations.　A magnetic stimulator A includes a magnetic core 2, conductors 1b, 1c (1b', 1c'), and a casing 4. The magnetic core 2 includes a body portion 2a, and leg parts 2b, 2c that protrude in the same direction from the body portion 2a. The conductors 1b, 1c (1b', 1c') are wound in a coil manner respectively around the leg parts 2b, 2c. The casing 4 is a container for housing the magnetic core 2 and the conductors 1b, 1c. The leg parts 2b, 2c of the magnetic core 2 are formed such that cross-sectional areas Sb, Sc thereof that are parallel to a plane K which simultaneously crosses the leg parts 2b, 2c gradually decrease from base parts 2k, 2l on the body portion 2a side toward tips 2s, 2t.
Patent WO-2020158507-A1 (WO)
Inventor: YOSHIWARA AKIHIKO
IPC: C08L61/04
Filed: 2020-01-21
Abstract: The present invention provides a dispersion liquid which is able to improve the coatability (wettability) with respect to a base material, and which is thus capable of forming a conductive film that exhibits high adhesion to a base material. A dispersion liquid according to the present invention contains (A) a carbon material, (B) a condensation product of an aromatic sulfonic acid compound, a hydroxyphenolic compound and an aldehyde compound, and (C) a solvent.
Patent WO-2021149155-A1 (WO)
Title: Method for producing processed titanium material
Inventor: KUNIEDA TOMONORI
IPC: B21B27/02
Filed: 2020-01-21
Abstract: In the present invention, a rolling roll 5 having a roll diameter of 20mm to 90mm is used to cold roll or hot roll a titanium raw material 1 to a total reduction amount of at least 1.0%, and as a result of the foregoing, strain is imparted to the surface of the titanium raw material. According to a processed titanium material obtained by this manufacturing method, surface defects generated when hot rolling is performed can be reduced.
Patent WO-2020195142-A1 (WO)
Inventor: SHIMAZU HIROMI
IPC: H01L25/07
Filed: 2020-01-30
Abstract: According to the present invention, a penetration part 3a is formed at a portion, in a first conductor, corresponding to a gap region 30. An insulation substrate 50 is stacked on the first conductor 3. By providing the penetration part 3a in the first conductor 3, a region where only the first conductor 3 is connected to the insulation substrate 50 is reduced, so that thermal warpage can be suppressed, and a stress generated in a connection material 2b between a first power semiconductor element 1a and a second conductor interface or in a connection material 2b between a second power semiconductor element 1b and the second conductor interface is also reduced. Therefore, it is possible to prevent a laminate structure of the first conductor 3 and the insulation substrate 50 from being cracked or peeled off, thereby providing a power semiconductor device having high reliability.
Patent WO-2021157071-A1 (WO)
Inventor: OKAJIMA MASAHIRO
IPC: F04B39/00
Filed: 2020-02-07
Abstract: 本開示に係る圧縮機の防音カバーは、シェル(11a)を有する圧縮機(11)と、シェルの上部に設けられ、かつシェルの表面の温度を測定する温度センサとを覆う圧縮機の防音カバーにおいて、防音カバーは、遮水材料で形成された遮水材(17c,17d)と、遮水材上面に設けられ、吸水材料で形成された吸音材(17a)と、吸音材上面に設けられた遮音材(17b)とを具備する。
Patent WO-2021038914-A1 (WO)
Inventor: KOJIMA HIDEAKI
IPC: H02H7/26
Filed: 2020-02-17
Abstract: 太陽光発電網遮断ユニット（１）は、第１遮断器（２０）と、第２遮断器（３０）とを備えている。第１遮断器（２０）は、複数の太陽光発電モジュール（１１）とパワーコンディショナ（１２）とを直列に接続する電力線（１４）に設けられており、緊急遮断ボタン（１３）が操作されると、電力線（１４）を介した太陽光発電モジュール（１１）からの電力の供給を遮断するとともに、緊急遮断信号を送信する。第２遮断器（３０）は、複数の太陽光発電モジュール（１１）ごとに１つずつ設けられており、第１遮断器（２０）から緊急遮断信号を受信すると、電力線（１４）を介した複数の太陽光発電モジュール（１１）からの電力の供給を遮断する。
Patent WO-2020184163-A1 (WO)
Title: Method for manufacturing fiber-reinforced resin product, and core
Inventor: KAJI SATOSHI
IPC: B29K105/06
Filed: 2020-02-25
Abstract: The main purpose of the present invention is to provide a beneficial improvement relating to a method for manufacturing a fiber-reinforced resin product, the method including curing a prepreg preforming body while pressing the prepreg preforming body using a core having a fusible part in a pressing means.　A method for manufacturing a fiber-reinforced resin product, the method having a core preparation step for preparing a core comprising a fusible part and an outer coat for covering the fusible part, a molding step for arranging a prepreg preforming body in a mold together with the core and heating and pressing in the mold to obtain a cured material, and a core removal step for removing the material of the fusible part from the cured material, at least a portion of the prepreg preforming body being pressed by expansion of the core in the molding step, wherein the manufacturing method is characterized in that the fusible part comprises a first fusible part and a second fusible part having a higher melting temperature than the first fusible part, the material of the first fusible part and the material of the second fusible part are mutually incompatible, and, in the molding step, the first fusible part partially or completely melts, and the second fusible part does not partially or completely melt.
Patent WO-2021044654-A1 (WO)
Title: Information processing system, programmable display device, and information processing device
Inventor: SANNOMIYA SHIGETOSHI
IPC: G06F8/38
Filed: 2020-03-09
Abstract: Provided is an information processing system that is connected to a control device for controlling a control subject, said information processing system being provided with a user interface and a collection means. The user interface displays one or more screens containing information pertaining to the control device, and receives operations with respect to the one or more screens. The collection means collects statistical information pertaining to operation of the user interface. Thus, items that should be improved regarding the screen of the user interface connected to the control device can be quickly ascertained.
Patent WO-2020213312-A1 (WO)
Inventor: SUZUKI TAKASHI
IPC: G01C17/38
Filed: 2020-03-12
Abstract: Provided is an information processing device comprising: a calculating unit that calculates a terminal coordinate system magnetic vector on the basis of a spatial coordinate system magnetic vector and an attitude of a communication terminal; and a notifying unit that notifies the communication terminal of the terminal coordinate system magnetic vector through non-contact communication.
Patent WO-2020196623-A1 (WO)
Inventor: TAKEUCHI MAKOTO
IPC: B41J2/14
Filed: 2020-03-25
Abstract: Provided are a printing device and a head system that prevent resonance between a print head and a device body. The natural frequency of the print head is changed and resonance between the print head and the device body is prevented by this printing device provided with: a conveying unit for conveying a printing medium; a print head including a plurality of nozzles that jet ink; a changing mechanism for changing the natural frequency of the print head; and an image forming unit that causes the ink to be jetted from the plurality of nozzles onto the printing medium conveyed by the conveying unit, to form an image with a single pass method.
Patent WO-2020218063-A1 (WO)
Inventor: SEKINE NAOKI
IPC: H01L21/60
Filed: 2020-04-13
Abstract: A semiconductor device 10 is provided with: a circuit board 11 including an electrode pad 13; a semiconductor chip 12 including an electrode pad 14 electrically connected to the electrode pad 13; and a wire 20 of which one end is connected to the electrode pad 13 and another end is connected to the electrode pad 14. The wire 20 comprises: a first wire portion 24 extending along the electrode pad 13 and partly pressed and electrically joined to the electrode pad 13; a second wire portion 26 extending in a direction intersecting the electrode pad 13 without making contact with the first wire portion 24; a third wire portion 27 extending toward the electrode pad 13; a first bend portion 28 connecting the first wire portion 24 to the second wire portion 26; and a second bend portion 29 connecting the second wire portion 26 to the third wire portion 27.
Patent WO-2020218236-A1 (WO)
Inventor: KITANO SHIN
IPC: H04N5/232
Filed: 2020-04-20
Abstract: The purpose of the present invention is to improve recognition accuracy of an imaging target in an asynchronous solid-state imaging element. This event detection device is provided with: a solid-state imaging element which has multiple photoelectric conversion elements that each photoelectrically converts incident light to generate an electric signal, and an address event detection unit that outputs a detection signal indicating the detection result regarding whether or not the amount of change in the electric signal of each of the photoelectric conversion elements has exceeded a prescribed threshold value; a timestamp signal generation unit which generates a timestamp signal that is used to indicate the point in time at which the detection signal was detected by the address event detection unit; and a modification unit which is provided in the timestamp signal generation unit and which modifies the time resolution of the timestamp signal in the case that the detection frequency of the detection signal of the address event exceeds a prescribed threshold value.
Patent WO-2021214852-A1 (WO)
Inventor: SHICHIJO KOKI
IPC: F24F11/64
Filed: 2020-04-21
Abstract: This information processing device comprises: a data acquisition unit (110) that acquires first data indicating the state of a space to be air-conditioned, second data indicating whether or not the space to be air-conditioned is stable, and third data indicating a set temperature (Tset) that is the target value of the temperature of the space to be air-conditioned which is set for an air conditioner; and a model generation unit (120) that generates an estimated model on the basis of learning data including the first to third data acquired by the data acquisition unit (110). The model generation unit (120) performs first stage learning if the second data indicates that the space (30) to be air-conditioned is stable. If the second data does not indicate the stability of the space to be air-conditioned after the completion of the first stage learning, the model generation unit (120) takes over the estimated model generated in the first stage learning and performs second stage learning.
Patent WO-2021214943-A1 (WO)
Inventor: KUDO SHINOBU
IPC: G06N20/00
Filed: 2020-04-23
Abstract: A parameter optimization method having: a feature amount extraction step for using input data that has been input to extract a feature vector; a classification step for obtaining a classification result for a feature vector and a class representative vector for each class to be classified; and an optimization step for optimizing a parameter used in the feature amount extraction step such that the regions of the feature amounts of each class do not overlap in a feature amount space, on the basis of a classification error (obtained on the basis of correct answer data and the classification result) and a distance error between class representative vectors.
Patent WO-2020241168-A1 (WO)
Inventor: MORIWAKI TOSHIKI
IPC: H04N5/369
Filed: 2020-04-30
Abstract: This imaging element is provided with a photoelectric conversion part wherein a first electrode 21, a photoelectric conversion layer 23A that is composed of an organic material, and a second electrode 22 are stacked; an inorganic oxide semiconductor material layer 23B is formed between the first electrode 21 and the photoelectric conversion layer 23A; and if the composition of an inorganic oxide semiconductor material that constitutes the inorganic oxide semiconductor material layer 23B is expressed by M a N b Sn c O (wherein M represents an aluminum (Al) atom, and N represents a gallium (Ga) atom and/or a zinc (Zn) atom), a, b and c satisfy (a + b + c) = 1.00, 0.01 ≤ a ≤ 0.04, and b < c.
Patent WO-2021005892-A1 (WO)
Inventor: TERADA HIROTOSHI
IPC: G01R31/26
Filed: 2020-05-19
Abstract: This semiconductor device inspection method comprises: a step for detecting light from a plurality of positions in a semiconductor device D, and acquiring a waveform corresponding to each of the plurality of positions; a step for extracting a waveform corresponding to a specific timing from the waveform corresponding to each of the plurality of positions, and generating, on the basis of the extracted waveform, an image corresponding to the specific timing; and a step for extracting a feature point on the basis of a brightness distribution correlation value in the image corresponding to the specific timing, and specifying, on the basis of the feature point, the position of a driving element in the semiconductor device.
Patent WO-2020241539-A1 (WO)
Inventor: KISHI TAKEHIRO
IPC: G03G8/00
Filed: 2020-05-25
Abstract: The present invention is provided with: a foil transfer unit that performs a foil transfer process for transferring a foil to a sheet on which a toner image is formed; a first carriage path for carrying a sheet from a sheet receiving part to the foil transfer unit, and carrying, to a sheet discharge part, the sheet which has passed through the foil transfer unit; and a second carriage path for carrying the sheet from the sheet receiving part to the sheet discharge part without passing through the foil transfer unit.
Patent WO-2020246324-A1 (WO)
Title: Copper-iron alloy electrolytic plating solution and electrolytic plating method using same
Inventor: HORI MASAO
IPC: C25D3/56
Filed: 2020-05-27
Abstract: Provided are: a copper-iron alloy electrolytic solution characterized by containing an organic compound having a divalent copper ion, a trivalent iron ion, and a carboxyl group; and a copper-iron alloy produced through a process that is not a melting process employing electrolytic plating using said solution.
Patent WO-2021140691-A1 (WO)
Title: Resonator and resonation device provided with same
Inventor: TAKEYAMA KEISUKE
IPC: H03H9/24
Filed: 2020-07-20
Abstract: A resonator (10) is provided with: a vibration unit (120) which has two parts (121A, 121B) that vibrate in opposite phases from each other; a holding part (140) which is formed so as to surround at least part of the vibration unit (120); and a holding unit (110) which supports the boundary between the two parts (121A, 121B) and connects the vibration unit (120) to the holding part (140). A frequency adjustment film (E3) is provided in a region on the surface of the vibration unit (120), between: a connection part (111B, 112B) of the holding unit (110) at which the holding unit (110) and the vibration unit (120) are connected; and an end part which is opposite from the connection part (111B, 112B) along the boundary between the two parts (121A, 121B).
Patent WO-2021029198-A1 (WO)
Inventor: MAESOBA HIROYOSHI
IPC: H01R13/6593
Filed: 2020-07-22
Abstract: A connector according to the present invention is fitted to a counterpart connector in the state of being connected to a cable 11 in which the outer circumference of an electrical wire is covered with a shield body 15. The connector is provided with an inner conductor 20 and an outer conductor 50, wherein the inner conductor 20 is connected to a core wire 13 of a covered electrical wire 12, the outer conductor 50 has a large-diameter cylindrical part 53, a small-diameter cylindrical part 54, and a shield connection part 57, the shield connection part 57 is connected to the shield body 15, the large-diameter cylindrical part 53 is formed into a cylindrical shape enabling, to fit therein, a cylindrical counterpart outer conductor provided to a female connector 110, and the small-diameter cylindrical part 54 is formed into a cylindrical shape smaller in diameter than the large-diameter cylindrical part 53 and houses the inner conductor 20.
Patent WO-2022029983-A1 (WO)
Inventor: OKAMURA MASAYA
IPC: H04W72/12
Filed: 2020-08-06
Abstract: L'invention concerne un terminal comprenant une unité de réception qui reçoit, à partir d'un dispositif de station de base, des informations de réglage de planification inter-porteuse pour une première cellule indiquant que la planification, d'une seconde cellule à la première cellule, est effectuée, l'unité de réception surveillant un PDCCH de la première cellule et un PDCCH de la seconde cellule.
Patent WO-2021039839-A1 (WO)
Inventor: MANAKA YUTO
IPC: F16J15/16
Filed: 2020-08-26
Abstract: La présente invention supprime des réductions de la force de pression appliquée à un arbre par une lèvre d'étanchéité, indépendamment de la rigidité d'une saillie.　Un corps élastique (20) d'un dispositif d'étanchéité (1) a une lèvre d'étanchéité annulaire (30), et la lèvre d'étanchéité (30) a une partie pointe de lèvre (31) et une lèvre de poussière intérieure (32). La partie pointe de lèvre (31) est une partie annulaire qui fait saillie vers le côté circonférentiel interne et est formée de façon à entrer en contact avec un arbre de sortie d'un décélérateur lors de l'utilisation. La lèvre de poussière intérieure (32) est une saillie annulaire qui est disposée plus loin vers un côté objet scellé que la partie pointe de lèvre (31). La lèvre de poussière intérieure (32) fait saillie vers une ligne axiale x et est formée de façon à entrer en contact avec l'arbre de sortie lors de l'utilisation. La lèvre d'étanchéité (30) a une partie indentation (33) qui forme une indentation sur le côté circonférentiel externe de l'origine (34) de la lèvre de poussière intérieure (32).
Patent WO-2021040001-A1 (WO)
Inventor: IWAI KENTA
IPC: B01D71/34
Filed: 2020-08-28
Abstract: The present invention pertains to a method for hydrophilizing a polyvinylidene fluoride-based porous separation membrane, the method comprising a step for bringing a polyvinylidene fluoride-based porous separation membrane into contact with a hydrophilizing agent and then with water, wherein: the separation membrane contains a polyvinylidene fluoride-based resin, and has an average pore diameter of 1-20 nm on the surface thereof and a contact angle between the surface and water of 80-110°; and the hydrophilizing agent contains a surfactant, and has a surface tension of 30-45 mN/m and a density of 1.000-1.010 g/cm 3 .
Patent WO-2021045165-A1 (WO)
Title: Method for producing perfluoroelastomer and composition
Inventor: TSUCHIYA SOUSHI
IPC: C08F2/44
Filed: 2020-09-03
Abstract: The present invention provides a method for producing a perfluoroelastomer, wherein a perfluoroelastomer is obtained by polymerizing a perfluoromonomer in an aqueous medium in the presence of a polymer (1) that contains a polymerization unit (1) based on a monomer represented by general formula (1).　(1): CX 2 =CY(-CZ 2 -O-Rf-A)
(In the formula, X moieties may be the same or different, and each represents –H or –F; Y represents –H, -F, an alkyl group or a fluorine-containing alkyl group; Z moieties may be the same or different, and each represents –H, -F, an alkyl group or a fluoroalkyl group; Rf represents a fluorine-containing alkylene group having from 1 to 40 carbon atoms or a fluorine-containing alkylene group having an ether bond and from 2 to 100 carbon atoms; and A represents –COOM, -SO 3 M, -OSO 3 M or –C(CF 3 ) 2 OM (wherein M represents –H, a metal atom, -NR 7 
 4 , an optionally substituted imidazolium, an optionally substituted pyridinium or an optionally substituted phosphonium; and R 7  represents –H or an organic group); provided that at least one of X, Y and Z contains a fluorine atom.)