baber/WOPTO huggingface dataset:
Patent WO-2018010529-A1 (WO)
Title: Procédé et appareil pour une couche mac centrée sur l'information
Inventor: RAVINDRAN RAVISHANKAR
IPC: H04L49/111
Filed: 2017-06-21
Abstract: Selon la présente invention, un élément de réseau (NE) comprend : un récepteur configuré pour recevoir une trame de commande d'accès au support centrée sur l'information (i-MAC); un processeur couplé pour un fonctionnement au récepteur et configuré pour déterminer si une table i-MAC contient des informations de routage correspondant à la trame basée i-MAC; et un émetteur couplé pour un fonctionnement au processeur et configuré pour acheminer la trame basée i-MAC sur la base de la table i-MAC lorsque la table i-MAC contient des informations correspondant à la trame basée i-MAC, et pour acheminer la trame i-MAC sur la base d'une table d'adresses MAC de couche 2 (L2) lorsque la table i-MAC ne contient pas d'informations correspondant à la trame basée i-MAC.
Patent WO-2019000308-A1 (WO)
Title: Threaded glass fiber connector for heat insulating wall, heat insulating wall, and manufacturing process
Inventor: CHEN FARONG
IPC: C08L101/02
Filed: 2017-06-29
Abstract: A threaded glass fiber connector for a heat insulating wall, comprising a rod body (1); the outer periphery of the rod body (1) is provided with a threaded structure (2) formed by alkali-free untwisted glass fiber direct roving wound by a steel wire rope; one end of the rod body (1) has a cone structure, and the outer periphery of the other end is fitted with a stopper. A manufacturing process for a threaded glass fiber connector for a heat insulating wall, a rod body (1) and a stopper being successively processed, and the rod body (1) being manufactured by winding alkali-free untwisted glass fiber direct roving around the rod body and performing pultrusion on same using a steel wire rope. A heat insulating wall, comprising a connector. A manufacturing process for a heat insulating wall, successively arranging an inner side wall plate (7), a heat insulating plate (6), and an outer side wall plate (5). The heat insulating wall using said connector has improved stability and firmness, and the process for manufacturing the heat insulating wall is simple.
Patent WO-2019006616-A1 (WO)
Title: Passivator, metal workpiece and method of surface passivation therefor
Inventor: LIU GUOPING
IPC: C23C22/06
Filed: 2017-07-03
Abstract: A passivator, a metal workpiece and a method of surface passivation therefor. The passivator comprises, per 1000 parts by weight thereof, the following components in parts by weight: 1-5 parts of chromium trichloride, 5-30 parts of acidic silica sol, 2-6 parts of γ-aminopropyltriethoxysilane, 0.5-3 parts of citric acid and the balance of distilled water. The passivated zinc-plated plate is formed with a colorless rigid protective film on a plated surface thereof, greatly increasing the capabilities of anti-corrosion, anti-oxidation and anti-sulfuration, can be widely applied to a variety of metal-plated parts, and is particularly beneficial to passivation of a zinc-plated layer.
Patent WO-2018201603-A1 (WO)
Title: 中置电池盒
Inventor: LIU SHILIN
IPC: B62M6/90
Filed: 2017-07-04
Abstract: 中置电池盒，属于电动车配件技术领域。它解决了现有电池盒安装不便等问题。该中置电池盒设置在电动自行车的五通处，它包括本体（1），本体（1）内部设置有容纳单元电芯模块的第一收容槽（3），本体（1）上设置有中轴孔（4），所述的中轴孔（4）贯穿本体（1）且形状大小与设置在五通处的中轴相匹配。该中置电池盒将电池、控制器（17）一起整合到电池盒上，电池盒上设置有与电动自行车五通处的中轴适配的中轴孔（4），从而使应用了该中置电池盒的电动自行车的外形更加紧凑美观；设置控制器盖板（13）和电池盖板（14）从而能方便电池包（2）、控制器（17）的拆装、更换及维修。该中置电池盒应用到电动自行车后增加了电池被盗的难度，从而具有防盗功能，安装更方便，质量更稳定。
Patent WO-2018032977-A1 (WO)
Inventor: XU ZHI
IPC: H01M4/36
Filed: 2017-08-03
Abstract: A manufacturing method of a negative-electrode material for a lithium-ion battery, the manufacturing method thereof comprising the following steps: growing silicon nanospheres on a graphene surface to form a graphene/silicon nanoshpere composite material; sugar-coating the graphene/silicon nanosphere composite material; and carbonizing the sugar-coated graphene/silicon nanosphere composite material to form a composite material of carbon/graphene/silicon nanospheres. The manufacturing method of the present invention is simple and has a high production yield rate. The silicon nanospheres are miniature and uniform, and combined with graphene, thus effectively reducing silicon volume expansion caused by delithiation during a charging-discharging process, lowering an internal stress of an electrode, and preventing damage caused by over-expansion of silicon spheres.
Patent WO-2019028769-A1 (WO)
Title: Method and apparatus for synchronization in sidelink communication
Inventor: HUANG SHUANGHONG
IPC: H04W56/00
Filed: 2017-08-10
Abstract: A method and apparatus for synchronization in sidelink communications is disclosed. In one embodiment, a method for performing sidelink communications, the method comprising: determining, by a first wireless communication node, whether a second synchronization timing with at least one second wireless communication node is to be established, wherein the first wireless communication node and the at least one second wireless communication node form a sidelink communication group; in response to determining that the second synchronization timing is to be established, transmitting a first message based on a first synchronization timing to the at least one second wireless communication node, wherein the first message indicates a synchronization message which is configured to provide the second synchronization timing to the at least one second wireless communication node; and transmitting the synchronization message using a predefined sidelink synchronization resource to the at least one second wireless communication node.
Patent WO-2019046997-A1 (WO)
Title: Method for measuring ambrisentan content by high performance liquid chromatography
Inventor: HUANG LEQUN
IPC: G01N30/02
Filed: 2017-09-05
Abstract: A method for measuring ambrisentan content by high performance liquid chromatography, the chromatographic conditions being as follows: an octadecylsilane bonded silica gel is selected as a filler, having a column length of 250 mm, detection wavelength of 220 nm, column temperature of 35°C and flow velocity of 1.0 ml/min; and elution is conducted according to gradient by using reversed-phase high performance liquid chromatography, wherein the mobile phases are a phosphate buffered solution and a polar organic solvent, the phosphate buffered solution is phase A, the polar organic solvent is phase B, and an organic solvent of the phase B in the mobile phases is acetonitrile. By using a reversed-phase high performance liquid chromatography, a test solution and a contrast solution are prepared, 20 μl of the test solution and the contrast solution are measured respectively to be injected into a chromatographic instrument, a chromatogram is recorded, the peak area is calculated according to an external standard method, and folding and drying are conducted so as to complete measurement of the ambrisentan content. The present invention overcomes the deficiency of no ambrisentan content measurement and analysis method existing currently, may meet the requirements for research, development and production, and may effectively conduct relatively strict and effective control on ambrisentan content.
Patent WO-2018054218-A1 (WO)
Inventor: XIE ZHENHUA
IPC: H04W12/106
Filed: 2017-09-06
Abstract: Disclosed are a method and device for enabling a security mode, for use in a slice network. The method can comprise: a control plane function (CPF) entity sends, to a terminal, first signaling that carries slice network security information used for instructing the terminal to enable a slice network security mode.
Patent WO-2018188259-A1 (WO)
Title: Substrat d'affichage, appareil d'affichage et procédé permettant de faire fonctionner ledit appareil d'affichage
Inventor: CHENG CHIHJEN
IPC: G06F3/01
Filed: 2017-09-08
Abstract: L'invention concerne un substrat d'affichage ayant une zone d'affichage comprenant une pluralité de régions de sous-pixels (00) et une région inter-sous-pixels (10). Le substrat d'affichage comprend un réseau de matrices d'une pluralité de sous-pixels (01). Chaque sous-pixel (01) comprend une région de sous-pixel (00) entourée par de multiples sections de la région inter-sous-pixels (10) et au moins une antenne (100) se trouve dans la région inter-sous-pixels (10) et configurée pour détecter un signal d'onde électromagnétique.
Patent WO-2018072721-A1 (WO)
Title: 用于正电子发射成像设备的检测器及正电子发射成像设备
Inventor: XIE SIWEI
IPC: G01T1/202
Filed: 2017-10-19
Abstract: 一种用于正电子发射成像设备的检测器（100）及正电子发射成像设备。检测器（100）包括：闪烁晶体（110,310），其中，闪烁晶体（110，310）是一体化的闪烁晶体（110,310），并且闪烁晶体（110,310）具有通孔，通孔用于容纳待成像对象；以及至少一个光电传感器阵列（120,320），与闪烁晶体（110,310）耦合，用于检测伽玛光子与闪烁晶体（110,310）发生反应所产生的可见光子，其中，伽玛光子通过在待成像对象体内发生的正电子湮灭效应产生。检测器（100）使得采用该检测器（100）的正电子发射成像设备的伽玛光子定位精度高、灵敏度高、边缘效应弱、机械设计难度低。
Patent WO-2019071663-A1 (WO)
Title: Electronic apparatus, virtual sample generation method and storage medium
Inventor: DAI LEI
IPC: G06T3/40
Filed: 2017-10-31
Abstract: Disclosed are an electronic apparatus, a virtual sample generation method and a storage medium. The method comprises: carrying out wavelet transformation processing on a first human face image, and acquiring a first wavelet coefficient of a low and medium frequency part in a grayscale value corresponding to the first human face image and a second wavelet coefficient of a medium and high frequency part in the grayscale value corresponding to the first human face image; carrying out wavelet transformation processing on an average human face image under a first illumination condition, and acquiring a third wavelet coefficient of a low and medium frequency part in a grayscale value corresponding to the average human face image and a fourth wavelet coefficient of a medium and high frequency part in the grayscale value corresponding to the average human face image; and replacing the first wavelet coefficient with the third wavelet coefficient, and carrying out wavelet inverse transformation processing on the third wavelet coefficient and the second wavelet coefficient so as to obtain a sample of the first human face image under the first illumination condition. By means of the method, the present invention solves the problem that the training sample collection process is tedious, saves a lot of manpower, and improves the efficiency of sample generation.
Patent WO-2019104601-A1 (WO)
Inventor: HU TIANPING
IPC: B21D22/06
Filed: 2017-11-30
Abstract: 一种碳钢车框冲压成型工艺，其工艺步骤包括剪板机剪尺寸；设计制作复合模具，并对模具加热；板材折边；产品修边，整体压型；割孔、抛光、形成成品。该工艺中利用模具加热使得能够增加产品流动性；修边凸台具体选择R0.8×8°过渡斜面设计，从而使材料逐步变形。本工艺在多个步骤上进行有效改进，使得产品应力大大降低，凸台平整，周围不起皱，能够有效避免开裂现象。
Patent WO-2018103669-A1 (WO)
Title: 高压清洗机及高压清洗机组件
Inventor: QIAO YONG
IPC: B08B3/02
Filed: 2017-12-06
Abstract: 一种高压清洗机及其组件，该高压清洗机（1）包括：壳体（10），包括设有对接面（1911）的基座（191）；壳体端子（192），连接于所述基座（191）；功能部件，包括设置于所述壳体（10）内的电机（2）及向外输送水流的泵（4）；所述高压清洗机（1）能够与电池包（9）电性连接，所述电池包（9）包括能够与所述对接面（1911）进行对接配合的配合面（921）及与所述壳体端子（192）进行电性连接的若干电池包端子，所述高压清洗机（1）与所述电池包（9）插接配合形成有供所述壳体端子（192）与所述电池包端子进行电性连接的对接腔，所述对接腔可选择的配置在所述高压清洗机（1）或所述电池包（9）上，所述高压清洗机（1）配置有密封结构，当所述电池包（9）与所述高压清洗机（1）插接配合后，所述密封结构能够将所述对接腔密封。
Patent WO-2019041625-A1 (WO)
Title: Dual-camera focusing method and apparatus, and electronic device
Inventor: ZHANG YAOFANG
IPC: H04N5/232
Filed: 2017-12-08
Abstract: Embodiments of the present application relate to the technical field of communications, and disclose a dual-camera focusing method and apparatus, and an electronic device. The dual-camera focusing method comprises: controlling a first camera to search for target points along a first subpath of a focal point searching path, and controlling a second camera to search for the target points along a second subpath of the focal point searching path, the first subpath and the second subpath forming the focal point searching path; determining whether at least one camera in the first camera and the second camera finds the target points; if at least one camera finds the target points, selecting one of the found target points as a focal point. The present application also provides a dual-camera focusing apparatus and an electronic device. In the present application, the dual-camera electronic device can rapidly complete focusing during photography, thereby improving the focusing speed.
Patent WO-2019075895-A1 (WO)
Title: Smart pen, smart pen control method, apparatus, device, and storage medium
Inventor: FU YULIN
IPC: G06F3/0354
Filed: 2017-12-17
Abstract: Disclosed in the present invention are a smart pen, a smart pen control method, an apparatus, a device and a storage medium. The smart pen comprises: a body, a nib, a trackball, a roller, a sensor, and a wireless module, the nib being provided at a first end of the body, for moving on the screen of a smart tablet, so as to be detected by a touch assembly of the smart tablet, the trackball being provided at a second end of the body, the trackball driving the roller to rotate, the sensor being provided inside the body and mounted at the end portion of the roller, for generating a pulse signal when the trackball rotates, the wireless module being provided inside the body for sending data to the smart tablet, the data comprising the pulse signal. The technical solutions of the present invention can expand interactive modes of a smart pen, can improve the usage comfort of the user during remote operation, and provide a new operation experience for the user at the same time.
Patent WO-2018133606-A1 (WO)
Inventor: DAI QIAN
IPC: H04W28/08
Filed: 2017-12-18
Abstract: Les modes de réalisation de la présente invention concernent un procédé de commande d'accès, un élément de réseau d'accès, un équipement utilisateur (UE) et un support de stockage informatique. Le procédé comprend les étapes suivantes : lorsque la charge de réseau d'un réseau central ou d'un réseau d'accès satisfait à une condition de surcharge, ou lorsque l'état d'encombrement du réseau central ou du réseau d'accès satisfait à une condition d'encombrement, l'élément de réseau d'accès envoie des informations d'indication d'une règle de restriction d'accès à un UE; et la règle de restriction d'accès comprend au moins l'un des éléments suivants : un mode d'accès interdit d'utilisation par l'UE; un type d'UE auquel l'accès est interdit; un type de service auquel l'accès est interdit.
Patent WO-2019052072-A1 (WO)
Title: Brake using magnetorheological transmission and brake-by-wire
Inventor: BAI XIANXU
IPC: F16D55/224
Filed: 2017-12-19
Abstract: A brake using magnetorheological transmission and brake-by-wire comprises a motor (1), a transmission mechanism (20), and a floating caliper mechanism (11). The transmission mechanism (20) comprises a magnetorheological clutch (3), an electrorheological clutch or a magnetic particle clutch, a planetary gear train (20a), and a ball screw mechanism (20b). The ball screw mechanism (20b) comprises a ball (8), a ball screw (9), and a sleeve (10). The floating caliper mechanism (11) comprises a brake back plate (16), brake blocks (13; 15), a brake caliper (12), a brake disc (14), and a guide pin (18). The motor (1) is connected in series to the magnetorheological clutch (3). Output torque of the motor (1) transmitted by the magnetorheological clutch (3) undergoes speed reduction and torque enhancement as performed by the planetary gear train (20a), and then pushes the sleeve (10) in the ball screw mechanism (20b). The sleeve (10) drives and performs linear movement together with the brake back plate (16) fixedly connected thereto, and finally pushes the brake blocks (13; 15) to rub the brake disc (14) for braking. The magnetorheological transmission device is provided in the brake driven by the motor (1) and using brake-by-wire, such that an entire system has a higher response speed, a wide range of transmittable torque, and high brake safety, and can solve the problem of locked rotor of the motor (1) during extended periods of braking.
Patent WO-2019127147-A1 (WO)
Title: 一种天线安装组件
Inventor: ZHANG BENKUANG
IPC: H01Q1/24
Filed: 2017-12-27
Abstract: 本申请实施例提供一种天线安装组件，涉及天线技术领域，该天线安装组件，包括固定杆，所述固定杆外滑动套设有套管，所述套管用于固定天线，所述套管连接有牵引机构，所述牵引机构可带动所述套管沿所述抱杆的长度方向滑动。
Patent WO-2019080396-A1 (WO)
Title: Gas generating agent composition, preparation method, application, and gas generator
Inventor: LUO YUNQIANG
IPC: C06B21/00
Filed: 2018-01-29
Abstract: The present invention relates to a gas generating agent composition, a preparation method, an application, and a gas generator. The composition comprises the following components in percentage by mass: 30%-60% of guanidine nitrate, 25%-58% of basic copper nitrate, 5.5%-10% of strontium titanate, and 0.6%-10% of talc powder. According to the gas generating agent composition, the strontium titanate and the talc powder are jointly used as a shape keeping agent, and achieve a synergistic effect, so that the shapes of tablets before combustion can be kept well after the tablets are combusted, and gas bags can be prevented from being burnt due to melting and splashing of the combusted tablets; the composition is prepared by a wet process; the preparation process is simple and easy to implement; the gas generating agent composition is mainly applied to gas generators for supplementary restraint systems of automobiles.
Patent WO-2019165592-A1 (WO)
Inventor: LIU FANG
IPC: C08L33/04
Filed: 2018-02-28
Abstract: Aqueous-based release coating compositions are disclosed. The disclosed aqueous-based release coating compositions are particularly suitable for use with pressure sensitive adhesives. In some embodiments, the aqueous-basedrelease coating compositions include (A) a vinyl-based emulsion copolymer comprising a copolymerizable acid monomer, (B) asilicone-based emulsion comprising a mixture of amine-, polyol-functional siloxane and epoxy-, glycol-functional siloxane, and (C) apolymeric dispersant comprising an acid functional group. In some embodiments, the weight ratio of silicone-based emulsion (B) to polymeric dispersant (C) in the aqueous-based release coating compositions is from 2:1 to 3:1. The disclosed release coating compositions are suitable for use in, inter alia, tape applications.
Patent WO-2019085362-A1 (WO)
Inventor: LI RUICONG
IPC: A61L27/24
Filed: 2018-03-06
Abstract: 一种自膨胀固定的人工鼻泪管，该人工鼻泪管为中空管状结构，该中空管状结构的内径为0.5～1.5mm，该中空管状结构的外径为0.6～4.0mm；该人工鼻泪管由吸水可膨胀的材料制成。该人工鼻泪管的结构简单，无需设置成端部尺寸大于泪道生理尺寸的结构来达到固定的目的，固定效果好，吸水膨胀后不容易脱落。
Patent WO-2018201900-A1 (WO)
Title: 一种储能集成模块
Inventor: LI BIN
IPC: H02J7/00
Filed: 2018-04-18
Abstract: 一种储能集成模块，包括一个或多个蓄电模块和太阳能发电板；一个或多个蓄电模块设有至少一根充电引线，太阳能发电板通过充电引线为一个或多个蓄电模块充电；一个或多个蓄电模块还可通过充电引线外接交流电源或直流电源；每个蓄电模块设有多个电池组；多个电池组串联连接或并联连接；电池组中设有电池包；每个电池组由一个或多个电池包并联或串联构成；蓄电模块设有至少一个供电接口；蓄电模块通过供电接口为外接的耗电设备供电。
Patent WO-2019085413-A1 (WO)
Inventor: ZHU JIONG
IPC: G06F17/30
Filed: 2018-04-24
Abstract: 本发明提供了一种种植参数设置方法，包括：接收第一植物工厂上传的作物全生长周期内的参数信息；提取每种作物的参数信息中与预设评价维度匹配的目标参数信息；接收第二植物工厂关联的用户终端发来的与目标作物对应的查询关键词，并将与查询关键词对应的预设评价维度发送至用户终端；根据目标参数信息和用户终端基于预设评价维度生成的参数筛选规则获取目标作物的目标种植参数；将目标种植参数发送至用户终端，以用于对第二植物工厂进行参数设置。相应地还提出了种植参数设置装置。通过本发明的技术方案，可以实现植物工厂间最优的种植参数的同步，便于用户快速配置植物工厂的种植参数，以提升用户的种植体验。
Patent WO-2018201998-A1 (WO)
Title: 一种家电配网方法、家电和用户端
Inventor: CHEN DONG
IPC: H04W48/10
Filed: 2018-04-28
Abstract: 本发明公开了一种家电配网方法、家电和用户端，属于无线网络技术领域。该方法包括：发送无线访问接入点AP的配置信息；其中，所述配置信息携带家电信息和媒体访问控制MAC信息。使用本文所述的方法、家电和用户端，通过服务集标识SSID携带家电配网过程中需要用的家电信息和MAC信息，家电在发送配网广播消息时，不需要将所述家电信息和MAC信息作为两个单独的参数在配网广播消息中携带，只需携带SSID这一个参数，即可将所述家电信息和MAC信息传送给用户端。
Patent WO-2019015394-A1 (WO)
Title: Crystal of neratinib monomaleate, preparation method for same, and uses thereof
Inventor: CHEN MINHUA
IPC: C07D401/12
Filed: 2018-05-25
Abstract: The present invention relates to a novel crystal of Neratinib monomaleate, a preparation method therefor, a pharmaceutical composition having the crystal, and uses of the crystal in preparing a tyrosine kinase inhibitor and a pharmaceutical preparation for treating breast cancer. The novel crystal of Neratinib monomaleate provided in the present invention is provided with one or more improved characteristics compared with the prior art and provides important value in the future optimization and development of the medicament.
Patent WO-2018228257-A1 (WO)
Inventor: XIA PENGFEI
IPC: H04W16/14
Filed: 2018-06-07
Abstract: A method for communicating with an access node includes receiving measurement table information from the access node, wherein the measurement table information is derived from measurements of communications channels between access nodes and user equipments (UEs) served by the access nodes, determining an access strategy and an associated access parameter for a shared communications channel in accordance with the measurement table information, and transmitting an uplink transmission on the shared communications channel in accordance with the associated access parameter after obtaining access to the shared communications channel.
Patent WO-2019241919-A1 (WO)
Title: 一种符号处理方法及相关设备
Inventor: OLSSON MAGNUS
IPC: H04W52/02
Filed: 2018-06-20
Abstract: 一种符号处理方法，其中，基带处理单元将业务空闲的子帧格式进行修改，使得每个符号的长度实现了归一化，也即，使每个符号的符号周期都相同，从而在射频单元进行符号关断的处理过程中，可以按照相同的符号周期进行关断处理，不需要射频单元和基站处理单元进行事先交互，在一定程度上减少占用信息资源，并简化了符号关断的流程。
Patent WO-2019001399-A1 (WO)
Title: Method and apparatus for provision of timing for a communication network
Inventor: MAYER MICHAEL
IPC: H04W56/00
Filed: 2018-06-26
Abstract: Methods and apparatuses for the provision of timing for a communication network are disclosed. In particular, timing can be provided as a service to the communication network and the network slices operating thereon. This provision of timing as a service (TaaS) can enable the synchronization of operation of the various network components which in some instances can be physically placed at different locations while providing a desired functionality. According to embodiments, a timing slice is configured to provide the portion of timing resources that are associated with the delivery of timing to a slave device in an environment where multiple network slices are operating.
Patent WO-2019174151-A1 (WO)
Title: Hot-bending x90 structure and performance evaluation method
Inventor: ZHOU PEISHAN
IPC: B21C51/00
Filed: 2018-06-26
Abstract: A hot-bending X90 structure and performance evaluation method, using OM, SEM, EBSD, TEM and other methods, combined with tensile, impact, hardness and other experiments, observing the change of the microstructure and mechanical properties of an X90 welding seam under different heat treatment conditions, determining a suitable hot-bending heating method; The resulting precipitate has a size of about 18.34 to70.29 nm. The yield strength and tensile strength of the X90 come up to 748 Mpa and 847 MPa respectively, the elongation is 18.5%, the yield ratio is 0.88, the average value of Charpy impact energy at -10°C is 212.7 J, and the average shearing area is about 85%, showing good strength and toughness. The whole local induction heating method can improve the toughness of the X90 welded joint, and the HAZ low temperature impact energy is increased by about 50 J.
Patent WO-2019007414-A1 (WO)
Title: Method for realizing support of application for multiple languages, storage device, and mobile terminal
Inventor: FENG DEZHENG
IPC: G06F9/44
Filed: 2018-07-06
Abstract: Disclosed are a method for realizing support of an application for multiple languages, a storage device, and a mobile terminal. The method comprises: identify a language currently used in a mobile terminal, and acquire a language identifier, corresponding to the language currently used by a user, in a language identifier base; and a translation system preset in an application automatically translates a source language on an interface and a functional key of the application into the language corresponding to the language identifier currently used in the mobile terminal, and displays the language.
Patent WO-2019114278-A1 (WO)
Title: 一种低收缩型聚酯工业丝及其制备方法
Inventor: FAN HONGWEI
IPC: C08G63/78
Filed: 2018-07-27
Abstract: 本发明涉及一种低收缩型聚酯工业丝及其制备方法，制备方法为：将改性聚酯经固相缩聚增粘、熔融、计量、挤出、冷却、上油、拉伸、热定型和卷绕，其中上油用的油剂中含有冠醚，且冠醚的含量为67.30～85.58wt％。本发明制备方法简单合理，最终制得低收缩型聚酯工业丝在190℃、15min和0.01cN/dtex条件下的干热收缩率为2.5～4.7％，材质为改性聚酯，改性聚酯的分子链包括对苯二甲酸链段、乙二醇链段和带支链的二元醇链段，带支链的二元醇的结构式如下：(I) 式中，R 1 和R 2 各自独立地选自碳原子数为1～3的直链亚烷基，R 3 选自碳原子数为1～5的烷基，R 4 选自碳原子数为2～5的烷基。