baber/WOPTO huggingface dataset:
Patent WO-2019192211-A1 (WO)
Inventor: SONG DECHAO
IPC: H01R13/66
Filed: 2018-12-17
Abstract: 一种异常提示方法以及智能插座（30），用于通过智能插座（30）在家电运行异常时进行提示，以丰富智能插座（30）的功能。该方法包括：智能插座(30)从第一家电接收状态消息（S202），其中，该状态消息包括用于指示该第一家电当前的工作模式的指示信息；该智能插座(30)获取该第一家电的工作参数的实际取值(S203)；该智能插座(30)根据该工作参数的实际取值以及该工作模式所允许的该工作参数的最大取值，确定该第一家电的工作状态(S204)；在确定该第一家电的工作状态为异常状态时，该智能插座(30)输出提示消息（S205）。
Patent WO-2020077862-A1 (WO)
Title: Defect-free design solution for ab double-sided and double-screen smart phone
Inventor: LIU YONG
IPC: H04M1/02
Filed: 2018-12-27
Abstract: The description comprises several key points related to a design solution: 1, a smart phone adopts an AB double-sided and double-screen design; 2, the spart phone has an unlimited large touch display screen (the screen-to-body ratio being less than or equal to 100%) arrangement (A side); 3,an earpiece opening, a main camera lens, a front camera lens are integrated at a small touch display screen side (B side), wherein the main camera lens and the front camera lens may be independent from each other, or be combined, and the total number of camera lenses may range from 1 to n; 4, a call function is arranged at the small touch display screen side (B side) in order to prevent the call function of the smart phone from being marginalized, and the earpiece opening is still located at a significant position; and 5, addition of internal and external mechanical components is avoided; 6, all the parts and windows or openings thereof, comprising the touch screen, at the small touch display screen side can be flexibly designed and arranged in specifications and position.
Patent WO-2019227944-A1 (WO)
Inventor: LIU YANG
IPC: H01Q1/22
Filed: 2019-01-14
Abstract: 本申请公开了一种天线装置及终端，该天线装置包括：天线、天线主板和金属枝节；其中，金属枝节的一端与天线主板的地连接，另一端伸进天线的净空区域；金属枝节与天线主板的边缘之间存在间隔以形成曲流缝隙。
Patent WO-2020155104-A1 (WO)
Title: 一种锚固装备及工作方法
Inventor: JIA HOUSHENG
IPC: E21D20/00
Filed: 2019-02-01
Abstract: 一种锚固装备及工作方法，属矿用装备领域，装备包括移动底盘(1)、折叠式工作台(2)、钻机(3)、物料填充系统(4)、动力控制系统(5)，移动底盘(1)为龙门式框架结构，可以驱动整个装备进行移动，折叠式工作台(2)可以相对于移动底盘(1)翻转折叠，钻机(3)布置在折叠式工作台(2)上，物料填充系统(4)可以为钻机(3)供给各种所需物料，钻机(3)在确定位置可以钻孔、安装锚固剂、安装锚杆、安装锚索，动力控制系统(5)为整套装备提供所需动力以及对各种动作进行控制，该锚固装备可以实现锚杆、锚索锚固的机械化、自动化安装，大大减轻了锚固的劳动强度，提高了锚固的效率，增加了整个过程的安全性。
Patent WO-2020057053-A1 (WO)
Inventor: DING YUANKUI
IPC: H01L27/15
Filed: 2019-02-20
Abstract: A method of fabricating a display substrate is provided. The method includes forming a conductive layer on a base substrate; and performing a chemical vapor deposition process to form an oxide layer on a side of an exposed surface of the conductive layer away from the base substrate, the exposed surface of the conductive layer including copper, the oxide layer formed to include an oxide of a target element M. The chemical vapor deposition process is performed using a mixture of a first reaction gas including oxygen and a second reaction gas including the target element M, at a reaction temperature in a range of 200 Celsius degrees to 280 Celsius degrees. A mole ratio of oxygen element to the target element M in the mixture of the first reaction gas and the second reaction gas is in a range of 40: 1 to 60: 1.
Patent WO-2020140328-A1 (WO)
Title: 雾化器及电子烟
Inventor: LI YONGSHENG
IPC: A24F47/00
Filed: 2019-03-12
Abstract: 一种雾化器（10），包括雾化组件（100）、管道组件（300）以及抽吸组件（200），雾化组件（100）包括具有储油腔（113）的外管（110），以及位于储油腔（113）内并与外管（110）固定连接的加热单元（120），管道组件（300）的一端固定连接于加热单元（120），抽吸组件（200）可拆卸地抵顶于外管（110）的面向抽吸组件（200）的端面以盖封储油腔（113），抽吸组件（200）与外管（110）和管道组件（300）的另一端中的至少一个可拆卸地卡接。如此，用户可上拔或下插抽吸组（200）件，使抽吸组件（200）与管道组件（300）连接或断开，或使抽吸组件（200）与外管（110）连接断开，从而使抽吸组件（200）盖封或打开储油腔（113），进而快速高效地完成添加烟油的工序；该过程简捷轻松，简化了添加烟油的工序，从而提升了用户体验。包括上述雾化器的电子烟，也具备上述雾化器的有益效果。
Patent WO-2020133728-A1 (WO)
Inventor: LI HU
IPC: G06F12/0893
Filed: 2019-03-16
Abstract: 一种存储数据的动态回收处理方法及存储装置，方法包括：接收数据写入命令，并获取所述数据写入命令中的逻辑地址（步骤S101）；根据预先建立的映射表，判断所述逻辑地址是否存在对应的存储单元（步骤S102）；如果所述逻辑地址不存在对应的存储单元，则将有效逻辑容量加1，并更新所述映射表（步骤S103）；根据所述映射表计算有效逻辑容量（步骤S104）；根据有效逻辑容量的大小，动态使用SLC块以及TLC块存储数据（步骤S105）；根据所述有效逻辑容量的大小以及SLC空块的数量，动态使用SLC块内部回收数据和/或TLC块回收数据（步骤S106）；根据有效逻辑容量的大小，采用不同的回收模式动态回收数据，能够有效减少回收次数，提高产品性能以及稳定性。
Patent WO-2020191727-A1 (WO)
Inventor: LUO PENGFEI
IPC: G01S7/40
Filed: 2019-03-28
Abstract: Disclosed are a radar power control method and device. The method comprises: sending a first detection signal to a target transmitting angle; if the signal power of the echo signal of the first detection signal is lower than a preset power threshold, obtaining the reflectivity of a first detection point for the first detection signal, the first detection point being a point on the surface of the detected object in the target transmitting direction; if the reflectivity of the first detection point is greater than a preset first threshold, increasing the transmitting power corresponding to the target transmitting angle. The described technical solution is good for reducing power consumption and increasing detection distance of radars.
Patent WO-2020198987-A1 (WO)
Inventor: DU FENG
IPC: H02H9/02
Filed: 2019-03-29
Abstract: This application relates to a method and an apparatus for controlling a solid state circuit breaker, and a solid state circuit breaker. The method for controlling a solid state circuit breaker includes: detecting a direction of a current flowing through a solid state circuit breaker, where the solid state circuit breaker is located at a power supply end of a power grid bus in a DC power grid; obtaining a breaking current value of the solid state circuit breaker according to the detected direction of the current; obtaining a value of a maximum threshold current allowed to flow through the solid state circuit breaker, where the breaking current value is less than the maximum threshold current value; obtaining a predicted current value of a coming current within a next sampling period of a present sampling period of the solid state circuit breaker; comparing the predicted current value with the breaking current value; and making, if the predicted current value is greater than the breaking current value, the solid state circuit breaker wait, and when the predicted current value is greater than the maximum threshold current value, making the solid state circuit breaker disconnect the circuit in which the solid state circuit breaker resides. The technical solutions of this application are used to selectively disconnect the solid state circuit breaker in the DC power grid.
Patent WO-2019185064-A1 (WO)
Title: Quinoline or quinazoline compound and application thereof
Inventor: DING KE
IPC: A61K31/4709
Filed: 2019-03-29
Abstract: The present invention relates to quinoline or a quinazoline compound represented by the formula (I), a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a prodrug molecule thereof, or a deuterated compound thereof. The compound of the present invention is effective in inhibiting the action of AXL protein kinase and can inhibit proliferation, migration, and invasion of various tumor cells. Further, the quinoline or quinazoline compound of the present invention has excellent metabolic stability, high in vivo antitumor activity, low toxic side effects, and can be used for preparing a drug for preventing hyperproliferative diseases such as tumors in humans and other mammals.
Patent WO-2020199037-A1 (WO)
Title: Resource configuration method, device, and storage medium
Inventor: XU WEIJIE
IPC: H04W16/00
Filed: 2019-03-29
Abstract: Disclosed is a channel resource configuration method, comprising: a terminal device obtaining configuration information of a physical uplink shared channel (PUSCH) resource. Further disclosed is another channel resource configuration method, comprising: a terminal device obtaining a mapping rule with respect to a PUSCH resource and a physical random access channel (PRACH) resource. Further disclosed are a terminal device and a storage medium.
Patent WO-2020048129-A1 (WO)
Title: High refractive index waveguide for augmented reality
Inventor: LEE GANGOK
IPC: G02B27/42
Filed: 2019-04-11
Abstract: Augmented Reality AR optical waveguide (200) includes a transparent substrate (210) including a user proximate surface (210a) and a user distal surface (210b). The AR optical waveguide (200) also includes a slant etched diffractive grating (211) included on the user distal surface (210b) of the transparent substrate (210). The slant etched diffractive grating (211) includes a refractive index of greater than or equal to 2.0.
Patent WO-2020199243-A1 (WO)
Title: 一种基于dic技术的钻孔信息采集方法与装置
Inventor: GAO MINGZHONG
IPC: G06T1/00
Filed: 2019-04-15
Abstract: 一种基于DIC技术的钻孔信息采集方法与装置，涉及采矿技术领域，该方法是按照一定时间周期对巷道围岩上的测孔进行全景摄像，对不同时间的测孔图像进行比较和分析计算，得到不受原生裂隙的影响的钻孔信息；该装置包括测杆（1）、电缆（6）、绞车（7）、脉冲发生器（8）、主机（9）和全景摄像头（10），全景摄像头（10）固定设置于测杆（1）的一端，全景摄像头（10）与主机（9）通过电缆（6）连接，电缆（6）缠绕设置于绞车（7）的辊筒上，绞车（7）可用于触发脉冲发生器（8），脉冲发生器（8）与主机（9）电联；采用该方法与装置，因不受原生裂隙的影响，其采集的钻孔信息更为准确，有助于对采场矿山压力进行准确分析，具有较强的工程应用价值。
Patent WO-2019201216-A1 (WO)
Title: Combination of dodecanoic acid and prostaglandin e2 as auxiliary diagnostic marker of macrosomia and application thereof
Inventor: CHEN MINJIAN
IPC: G01N33/96
Filed: 2019-04-15
Abstract: Disclosed is a combination of dodecanoic acid and prostaglandin E2 acting as an auxiliary diagnostic marker of macrosomia and an application thereof, relating to the fields of analytical chemistry and clinical medicine, wherein the marker is metabolic small molecular dodecanoic acid and prostaglandin E2 of serum during pregnancy. The marker adopts the UPLC-Q exactive MS method for detection, has better sensitivity and specificity, and is capable of being used for the early diagnosis or monitoring of macrosomia, thereby having a better promotional value in clinical applications.
Patent WO-2019228092-A1 (WO)
Inventor: JIA YUHU
IPC: H04M1/02
Filed: 2019-04-17
Abstract: La présente invention concerne un dispositif électronique et un procédé de commande de prise de vue associé. Le dispositif électronique comprend : un boîtier ; un appareil photo disposé dans le boîtier ; un écran d'affichage assemblé de façon mobile au boîtier, et commutable entre un premier état et un second état par rapport au boîtier. L'écran d'affichage comporte une partie d'affichage et une partie de non-affichage, et la partie de non-affichage est transparente à la lumière. Lorsque l'écran d'affichage est dans le premier état, l'appareil photo est couvert par la partie d'affichage. Lorsque l'écran d'affichage est dans le second état, l'appareil photo fait face à la partie de non-affichage, et est configuré pour collecter la lumière à travers la partie de non-affichage et réalise une imagerie.
Patent WO-2020211125-A1 (WO)
Inventor: LUO JIAJIA
IPC: C07D413/14
Filed: 2019-05-06
Abstract: 本发明涉及一种热活化延迟荧光材料及其制备方法与有机电致发光二极管器件，所述热活化延迟荧光材料的结构通式如下（式一）所示： R表示作为电子给体的化学基团，R处于吡啶基团中的第1位、第3位、第4位或第5位，X为中（式二）的一种。本发明的热活化延迟荧光材料具有超快反向系间窜越速率及高发光效率，为具有显著TADF特性的蓝绿光TADF材料，当其作为发光层材料应用于有机电致发光二极管器件时，可以有效提高有机电致发光二极管器件的发光效率，基于本发明的热活化延迟荧光材料的有机电致发光二极管器件具有非常高的器件效率。
Patent WO-2019237932-A1 (WO)
Title: Drum-type washing machine and spray device thereof
Inventor: LV PEISHI
IPC: D06F39/08
Filed: 2019-05-30
Abstract: Disclosed are a drum-type washing machine and a spray device thereof. The spray device comprises a sealed window pad (5) of the drum-type washing machine, multiple spraying channels (53) provided on the sealed window pad, and an annular water chamber (11) provided on the outer side of the sealed window pad. The annular water chamber comprises a water inlet pipe (111) and multiple water outlet pipes (112), each of the water outlet pipes being respectively connected to a spraying channel. The spray device can not only be manufactured separately to facilitate modular production, but also has a simple structure and is easy to install.
Patent WO-2020015501-A1 (WO)
Title: Map construction method, apparatus, storage medium and electronic device
Inventor: SHEN HAO
IPC: G05D1/02
Filed: 2019-06-25
Abstract: Provided in the present application are a positioning method, apparatus, storage medium, and electronic device, wherein the method comprises: determining first spatial coordinates when an image capture apparatus collects a depth image in a target space, and determining posture information when the image capture apparatus collects the depth image; performing region segmentation on the depth image to obtain at least one sub-region; determining a positioning sub-region from within the at least one sub-region; on the basis of distance information recorded by the depth image, the first spatial coordinates and the posture information, determining second spatial coordinates in the target space in which the positioning sub-region is located, and constructing a map on the basis of the second spatial coordinates.
Patent WO-2020220454-A1 (WO)
Inventor: LING WEI
IPC: H04W72/12
Filed: 2019-06-26
Abstract: Apparatus and methods of scheduling request (SR) transmission and reception in multiple transmit receive points (TRPs) are disclosed. The apparatus includes: a transmitter; and a processor that determines a scheduling request uplink control channel resource configured by higher layer for transmitting a scheduling request in a time interval; wherein the processor further determines a first uplink control information for transmission in a first uplink control channel resource associated with a first identity in the same time interval; the processor further determines whether there is a second uplink control information in a second uplink control channel resource for transmission associated with a second identity in the same time interval; and the processor controls the transmitter to transmit, in the same time interval, one or a combination selected from: the first uplink control channel resource, the scheduling request uplink control channel resource, and the second uplink control channel resource.
Patent WO-2020007250-A1 (WO)
Title: Pseudo base station identification on-off control method and device, mobile terminal, and storage medium
Inventor: WANG YANFEI
IPC: H04W12/122
Filed: 2019-06-28
Abstract: The present invention provides a pseudo base station identification on-off control method and device, a mobile terminal, and a storage medium. The method comprises: when a network registration request sent by any terminal device to a target network is received, respectively determining whether an SIM card in the terminal device is a test card and whether the target network satisfies a test network condition; and when it is determined that the SIM card is the test card and/or the target network satisfies the test network condition, turning off a pseudo base station identification function of the terminal device. According to the present invention, whether the SIM card is a test card and whether the target network satisfies the test network condition are respectively determined, so that whether the terminal device is a test device and whether the target network is a test network can be automatically determined; the shutdown of the pseudo base station identification function of the terminal device is correspondingly controlled according to a determination result, so that the terminal device can automatically start pseudo base station detection in a commercial network, and can automatically turn off pseudo base station detection in a non-commercial network, and therefore, the normal operation of the experiment of the test network can be ensured.
Patent WO-2021000067-A1 (WO)
Title: 一种细胞结合分子-Tubulysin衍生物偶联物及其制备方法
Inventor: ZHAO ROBERT
IPC: A61P37/02
Filed: 2019-06-29
Abstract: 涉及含支链(侧链)连接体偶联Tubulysin衍生物(同系物)与细胞结合分子，产生的偶联物具有更好的药代动力学性质、从而能更精确地靶向杀死异常细胞。还涉及Tubulysin 同系物与细胞结合剂的偶联及其所含分子的合成方法，以及使用该偶联物靶向治疗癌症、感染和自身免疫疾病的方法。含长支链连接体的Tubulysin偶联物在靶向传送期间半表期增加，在血液循环中对非靶细胞、组织或器官的暴露最小，导致脱靶毒性降低。
Patent WO-2021000087-A1 (WO)
Inventor: MAO LUBIN
IPC: H02K33/00
Filed: 2019-06-29
Abstract: La présente invention concerne un moteur à vibrations qui comprend une structure de circuit magnétique (33) et une bobine (21), la structure de circuit magnétique (33) comprenant un premier groupe d'aciers magnétiques (333) disposé sur un côté de la bobine (21) le long d'une première direction, un deuxième groupe d'aciers magnétiques (335) disposé de l'autre côté de la bobine (21) le long de la première direction, un troisième groupe d'aciers magnétiques (337) disposé sur un côté de la bobine (21) le long d'une seconde direction et un quatrième groupe d'aciers magnétiques (339) disposé de l'autre côté de la bobine (21) le long de la seconde direction, la première direction étant parallèle au plan d'enroulement de la bobine (21), la seconde direction étant perpendiculaire au plan d'enroulement de la bobine (21), le premier groupe d'aciers magnétiques (333) et le deuxième groupe d'aciers magnétiques (335) comprenant des aciers magnétiques principaux disposés en rangées, les aciers magnétiques principaux étant magnétisés dans la seconde direction, les directions de magnétisation des deux aciers magnétiques principaux adjacents étant opposées, les directions de magnétisation des aciers magnétiques principaux dont les positions sont opposées dans le premier groupe d'aciers magnétiques (333) et le deuxième groupe d'aciers magnétiques (335) étant identiques ; le troisième groupe d'aciers magnétiques (337) et le quatrième groupe d'aciers magnétiques (339) comprenant des aciers magnétiques secondaires, les aciers magnétiques secondaires étant magnétisés dans la première direction, les directions de magnétisation des aciers magnétiques secondaires dont les positions sont opposées dans le troisième groupe d'aciers magnétiques (337) et le quatrième groupe d'aciers magnétiques (339) étant opposées. Le moteur à vibrations présente une vitesse de réponse rapide et un effet de vibration amélioré.
Patent WO-2020011080-A1 (WO)
Title: Display control method and terminal device
Inventor: CAO YANJIE
IPC: G06F3/14
Filed: 2019-07-03
Abstract: A display control method and a terminal device, wherein the method comprises: acquiring a first image displayed on a first screen (101); acquiring a first object feature of a target object in the first image (102); and displaying on a second screen first memo information associated with the first object feature (103); wherein, the target object comprises at least one object in the first image, or an image of a local feature region of one object in the first image.
Patent WO-2020011200-A1 (WO)
Title: Cross-domain data fusion method and system, and storage medium
Inventor: ZHANG JUNBO
IPC: G06F21/60
Filed: 2019-07-10
Abstract: A cross-domain data fusion method and system, and a storage medium, relating to the technical field of data mining. The methods comprises: obtaining user feature information corresponding to user keyword information stored in a data source in a data domain (101); converting the user feature information into implicit feature information on the basis of a feature conversion model (102); encrypting the user keyword information according to a preset encryption rule (103); fusing the user keyword information cipher text and the implicit feature information to generate a domain user fusion feature of the data domain (104); and fusing the domain user fusion features of multiple data domains according to the user keyword information cipher text to obtain a cross-domain user fusion feature (105). The cross-domain data fusion method and system and the storage medium can avoid user original data leakage caused by the leakage of user keywords, converting the user feature information into the implicit feature information and performing fusion enhance the expression ability of the data aggregation features in different fields, and the accuracy and security of data mining can be improved.
Patent WO-2020042773-A1 (WO)
Inventor: ZHAO HAO
IPC: H04L29/08
Filed: 2019-07-11
Abstract: The present description provides a security detection method, apparatus and device. The security detection apparatus can be placed in an IoT network; an IoT terminal in the IoT network transmits data by means of wireless technology. The security detection apparatus includes a software radio unit, and thus can monitor all wireless signals within wireless coverage, thereby obtaining communication messages of the IoT terminal. According to the embodiment, the security detection apparatus is used to perform security detection on an IoT terminal in the IoT network without contacting and invading the IoT terminal or depending on the detection capability of the IoT terminal. Whether the IoT terminal operates normally can be found by obtaining target operating features of the IoT terminal in combination with historical normal operating features, and the security detection of the IoT terminal can be implemented.
Patent WO-2020034836-A1 (WO)
Title: Method for conveniently and quickly controlling computer locking or poweroff and mouse
Inventor: LIU BIN
IPC: G06F3/0354
Filed: 2019-07-30
Abstract: Provided are a method for conveniently and quickly controlling computer locking or poweroff and a mouse. The method for conveniently and quickly controlling computer locking or poweroff comprises: first providing a mouse (1) electrically connected with a computer; providing an input module for controlling computer locking and/or poweroff on the mouse, the input module is electrically connected with a control circuit board (11) inside the mouse; and when the input module is triggered, sending a locking and/or poweroff instruction to the computer by the input module and executing the instruction by the computer. A user can directly perform operation on the mouse to trigger the input module, so that the operation for controlling computer locking and/or poweroff can be directly completed, the use of the computer is simplified, and the operation becomes more convenient.
Patent WO-2020103520-A1 (WO)
Title: 磁悬浮轴承结构及磁悬浮压缩机结构
Inventor: LIU PENGHUI
IPC: F04D29/058
Filed: 2019-09-02
Abstract: 一种新型磁悬浮轴承结构及压缩机结构，包括筒体（13）、转轴（22）、电机定子（11）、电机转子（12）、轴向轴承、径向轴承和位移传感装置（5、17），所述位移传感装置（5、17）、轴向轴承定子（1、3）、径向轴承定子（8、15）直接固定在筒体（13）内壁上，与原有技术相比取消了磁悬浮压缩机内的前后轴承壳体，减少了压缩机的生产成本，位移传感器组件与电机定子（11）同轴度得到极大的改善，能减小电机运行时的单边磁拉力，减小了电机绕组产生的谐波，减小了电机的铁芯损耗，也减小了电机的发热量，同时压缩机的效率也能得到一定的提高，极大的提高了压缩机的性能。
Patent WO-2021042260-A1 (WO)
Title: Method and device for controlling dry gas seal booster pump
Inventor: Fu jing juan
IPC: F04D27/00
Filed: 2019-09-03
Abstract: A method for controlling a dry gas seal booster pump (100), including: determining whether a condition for starting the dry gas seal booster pump (100) is satisfied (S210); determining whether a condition for stopping the dry gas seal booster pump (100) is satisfied (S230); and when it is determined that the condition for starting the dry gas seal booster pump (100) is satisfied and it is determined that the condition for stopping the dry gas seal booster pump (100) is not satisfied, controlling the dry gas seal booster pump (100) to start. A control device for a dry gas seal booster pump and an electronic device are disclosed. Therefore, automatic control on the booster pump may be achieved, thereby ensuring safe and effective operation of a dry gas seal system.
Patent WO-2020063345-A1 (WO)
Title: 一种铝电解固体废料分离回收和石油焦高温脱硫的装置
Inventor: FENG NAIXIANG
IPC: F27B1/14
Filed: 2019-09-11
Abstract: 一种铝电解固体废料分离回收和石油焦高温脱硫的装置，包括炉壳（1）、炉盖（2）、炉内衬（3）、炉内砌体（4）、石墨电极（6）和石墨导电体（7），炉壳（1）的内壁设置炉内衬（3），位于内部的炉内砌体（4）上设有若干个条形通孔（11），多个位于内部的炉内砌体（4）围成2N个电阻发热体腔和若干个空腔（10），相邻两个电阻发热体腔之间有一个空腔（10），电阻发热体腔用于放置电阻发热体(9)，相邻两个电阻发热体(9)的顶面或底面同时连接一个石墨导电体(7)，通过2N-1个石墨导电体（7）将2N个电阻发热体（9）串联，第一个和最后一个电阻发热体（9）的底部分别连接一个石墨电极（6）。该装置保证了相邻电阻发热体的绝缘性能，完成分离后剩余物料散热速度快。
Patent WO-2020052676-A1 (WO)
Inventor: CUI YUEFEI
IPC: D21H19/40
Filed: 2019-09-13
Abstract: A water-soluble coating material for a recyclable paper-plastic composite material, comprising polyvinyl alcohol (PVA), hydroxypropyl cellulose (HPC), glycerin, ethylene glycol, starch, precipitated silica, talcum powder, a defoamer, a leveling agent and water. A preparation method therefor is: after each component is measured, adding same into a container that has a heating jacket; raising the temperature to 95°C while stirring; maintaining the temperature for 2-4 hours while stirring; then stopping heating, and cooling to room temperature by means of jacket cooling water; continuously stirring for 0.5 hours at room temperature, and outputting a water-soluble coating material for a recyclable paper-plastic composite material.