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    Methods for preparation of polyester/glyoxalated polyvinyl alcohol semi-interpenetrating polymer network hot-melt adhesive
    33.
    发明授权
    Methods for preparation of polyester/glyoxalated polyvinyl alcohol semi-interpenetrating polymer network hot-melt adhesive 有权
    聚酯/乙二醛聚乙烯醇半互穿聚合物网络热熔胶的制备方法

    公开(公告)号：US09346985B2

    公开(公告)日：2016-05-24

    申请号：US14355525

    申请日：2013-06-20

    Applicant: Kunshan TianYang Hot Melt Adhesive Co., Ltd. ,  Shanghai TianYang Hot Melt Adhesive Co., Ltd. ,  East China University of Science and Technology

    Inventor： Zhelong Li ,  Wanyu Zhu ,  Fangqun Wu ,  Zuoxiang Zeng

    IPC: C09J167/00 ,  C08L29/04 ,  C09J129/14 ,  C09J167/02 ,  C08J3/24

    CPC classification number: C09J167/00 ,  C08J3/246 ,  C08J2329/14 ,  C08J2367/02 ,  C08L29/14 ,  C08L67/02 ,  C09J129/14 ,  C09J167/02

    Abstract: A polyester/glyoxalated polyvinyl alcohol semi-interpenetrating polymer network hot-melt adhesive and preparation method therefore, mainly includes the steps of: 1) transesterification of certain amounts of dimethyl terephthalate and another dibasic ester with 1,4-butanediol and other diols in the presence of an organotin catalyst under a nitrogen atmosphere in a reactor, completed upon the amount of distillation of a monohydric alcohol byproduct reaching greater than 95% of the theoretical amount; 2) after the temperature is maintained for a period of time, adding in a stabilizer and a polycondensation catalyst and incrementally increasing the temperature to trigger a polycondensation reaction under a reduced pressure to produce particles of a copolymer, and freezing and pulverizing the copolymer particles to produce a powder of a copolyester; 3) uniformly blending a polyvinyl alcohol/glyoxal mixture with the powder produced in step 2) at ambient temperature to produce the target product. The product is capable of forming an internal semi-interpenetrating network at application temperatures.

    Abstract translation: 聚酯/乙二醛聚乙烯醇半互穿聚合物网络热熔胶及其制备方法因此主要包括以下步骤：1）将一定量的对苯二甲酸二甲酯与另一种二元酸酯与1,4-丁二醇和其它二元醇酯交换反应 在氮气气氛下在反应器中存在有机锡催化剂，在一元醇副产物的蒸馏量达到​​理论量的95％以上时完成; 2）在温度保持一段时间之后，加入稳定剂和缩聚催化剂，并逐渐增加温度以在减压下引发缩聚反应以产生共聚物颗粒，并将共聚物颗粒冷冻和粉碎 生产共聚酯粉末; 3）在环境温度下将聚乙烯醇/乙二醛混合物与步骤2）中制备的粉末均匀混合以产生目标产物。 该产品能够在应用温度下形成内部半互穿网络。

    NOVEL SUPPORTED DOUBLE CENTER HYBRID POLYETHYLENE CATALYST, PROCESS FOR PREPARING THE SAME AND USE THEREOF
    35.
    发明申请
    NOVEL SUPPORTED DOUBLE CENTER HYBRID POLYETHYLENE CATALYST, PROCESS FOR PREPARING THE SAME AND USE THEREOF 有权
    新型支持双中心混合聚乙烯催化剂，其制备方法及其用途

    公开(公告)号：US20150080540A1

    公开(公告)日：2015-03-19

    申请号：US14394269

    申请日：2013-04-15

    Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

    Inventor： Ning Zhao ,  Ruihua Cheng ,  Xuelian He ,  Zhen Liu ,  Boping Liu

    IPC: C08F10/02

    CPC classification number: C08F10/02 ,  C08F2410/04 ,  Y02P20/52 ,  C08F210/16 ,  C08F210/14 ,  C08F4/69 ,  C08F4/68

    Abstract: The present invention relates to a carriered hybrid vanadium-chromium-based catalyst, characterized in the catalyst is carriered on a porous inorganic carrier and a V active site and an organic Cr active site are present on the porous inorganic carrier at the same time. The present invention further relates to a process for producing a carriered hybrid vanadium-chromium-based catalyst. The catalyst of the present invention can be used for producing ethylene homopolymers and ethylene/α-olefin copolymers. The hybrid vanadium-chromium-based catalyst can have high activity and produce polyethylene polymers having the properties of broad molecular weight distribution (Part of the products are bimodal distribution) and excellent α-olefin copolymerization characteristic.

    Abstract translation: 本发明涉及一种载体杂化钒 - 铬基催化剂，其特征在于催化剂载体在多孔无机载体上，V活性位点和有机Cr活性位点同时存在于多孔无机载体上。 本发明还涉及一种生产载体混合钒 - 铬基催化剂的方法。 本发明的催化剂可用于生产乙烯均聚物和乙烯/α-烯烃共聚物。 混合钒 - 铬基催化剂可以具有高活性，并且生产具有宽分子量分布性质的聚乙烯聚合物（部分产物是双峰分布）和优异的α-烯烃共聚特性。

    PREPARATION METHOD OF POLYESTER SYNTHESIS COMPOSITE CATALYST
    36.
    发明申请
    PREPARATION METHOD OF POLYESTER SYNTHESIS COMPOSITE CATALYST 审中-公开
    聚合物合成催化剂的制备方法

    公开(公告)号：US20140349842A1

    公开(公告)日：2014-11-27

    申请号：US14360893

    申请日：2013-05-31

    Applicant: KUNSHAN TIANYANG HOT MELT ADHESIVE CO., LTD. ,  EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY ,  SHANGHAI TIANYANG HOT MELT ADHESIVE CO., LTD.

    Inventor： Zuoxiang Zeng ,  Lujie Wang ,  Zhelong Li ,  Wanyu Zhu ,  Tao Han ,  Yan Shen

    IPC: C08G63/85

    CPC classification number: C08G63/85 ,  B01J21/063 ,  B01J21/08 ,  B01J23/14 ,  B01J37/031 ,  B01J37/033 ,  C08G63/87

    Abstract: A method of preparing a composite catalyst for polyester synthesis includes the steps of: 1) sequentially dissolving a titanium compound, a silicon compound and a tin compound in an organic solvent; 2) adding a water solution of an acidic compound or of an alkaline compound in the compound from step 1) to cause hydrolysis thereof and collecting a precipitate, and washing the hydrolysis precipitate with a deionized water to obtain the composite catalyst. The catalyst is not only effective in polyester production polycondensation, but also has significant catalytic activity in esterification. The produced polyester chips all have a desirable hue.

    Abstract translation: 制备聚酯合成复合催化剂的方法包括以下步骤：1）将钛化合物，硅化合物和锡化合物顺次溶解在有机溶剂中; 2）在来自步骤1）的化合物中加入酸性化合物或碱性化合物的水溶液进行水解并收集沉淀物，并用去离子水洗涤水解沉淀物以获得复合催化剂。 该催化剂不仅在聚酯生产缩聚中有效，而且在酯化反应中也具有显着的催化活性。 生产的聚酯芯片都具有理想的色调。

    METHODS FOR PREPARATION OF POLYESTER/GLYOXALATED POLYVINYL ALCOHOL SEMI-INTERPENETRATING POLYMER NETWORK HOT-MELT ADHESIVE
    37.
    发明申请
    METHODS FOR PREPARATION OF POLYESTER/GLYOXALATED POLYVINYL ALCOHOL SEMI-INTERPENETRATING POLYMER NETWORK HOT-MELT ADHESIVE 有权
    聚酯/聚羟基聚乙烯醇高分子聚合物网络热熔胶粘剂的制备方法

    公开(公告)号：US20140303323A1

    公开(公告)日：2014-10-09

    申请号：US14355525

    申请日：2013-06-20

    Applicant: Kunshan Tian Yang Hot Melt Adhesive Co., Ltd. ,  Shanghai Tian Yang Hot Melt Adhesive Co., Ltd. ,  East China University of Science and Technology

    Inventor： Zhelong Li ,  Wanyu Zhu ,  Fangqun Wu ,  Zuoxiang Zeng

    IPC: C09J167/00

    CPC classification number: C09J167/00 ,  C08J3/246 ,  C08J2329/14 ,  C08J2367/02 ,  C08L29/14 ,  C08L67/02 ,  C09J129/14 ,  C09J167/02

    Abstract: A polyester/glyoxalated polyvinyl alcohol semi-interpenetrating polymer network hot-melt adhesive and preparation method therefore, mainly inlcudes the steps of: 1) transesterification of certain amounts of dimethyl terephthalate and another dibasic ester with 1,4-butanediol and other diols in the presence of an organotin catalyst under a nitrogen atmosphere in a reactor, completed upon the amount of distillation of a monohydric alcohol byproduct reaching greater than 95% of the theoretical amount; 2) after the temperature is maintained for a period of time, adding in a stabilizer and a polycondensation catalyst and incrementally increasing the temperature to trigger a polycondensation reaction under a reduced pressure to produce particles of a copolymer, and freezing and pulverizing the copolymer particles to produce a powder of a copolyester; 3) uniformly blending a polyvinyl alcohol/glyoxal mixture with the powder produced in step 2) at ambient temperature to produce the target product. The product is capable of forming an internal semi-interpenetrating network at application temperatures.

    Abstract translation: 聚酯/乙二醛聚乙烯醇半互穿聚合物网络热熔胶及其制备方法因此主要包括以下步骤：1）将一定量的对苯二甲酸二甲酯与另一种二元酸酯与1,4-丁二醇和其它二元醇酯交换反应 在氮气气氛下在反应器中存在有机锡催化剂，在一元醇副产物的蒸馏量达到​​理论量的95％以上时完成; 2）在温度保持一段时间之后，加入稳定剂和缩聚催化剂，并逐渐增加温度以在减压下引发缩聚反应以产生共聚物颗粒，并将共聚物颗粒冷冻和粉碎 生产共聚酯粉末; 3）在环境温度下将聚乙烯醇/乙二醛混合物与步骤2）中制备的粉末均匀混合以产生目标产物。 该产品能够在应用温度下形成内部的半互穿网络。

    LUMINESCENT PROBE AND ITS PREPARATION METHOD AND APPLICATION
    38.
    发明申请
    LUMINESCENT PROBE AND ITS PREPARATION METHOD AND APPLICATION 有权

    公开(公告)号：US20250066662A1

    公开(公告)日：2025-02-27

    申请号：US18768028

    申请日：2024-07-10

    Applicant: East China University of Science and Technology

    Inventor： Zhiqian GUO ,  Juan LI ,  Yutao ZHANG ,  Yao LU ,  Chenxu YAN ,  Meiling ZHAO ,  Xiuyan ZHAO ,  Weihong ZHU

    IPC: C09K11/06 ,  C07D309/34 ,  C07D407/10 ,  G01N21/64

    Abstract: A luminescent probe and its preparation method and application are provided. The luminescent probe has a steric hindrance group R1 of aliphatic hydrocarbon structure such as adamantane or norborneol, a detection group R2 of nitrobenzyl and its derivative structure, an electron-withdrawing group R3 containing cyano group and an electron-donating group methoxy group. In the presence of HSA or BSA, the detection group is cut off to form a parent structure that exposes atomic oxygen anions and is activated under external light irradiation, the luminescent probe can be used in solution or cells, when detecting HSA or BSA, the luminescent probe has obvious chemiluminescence characteristics, which can sensitively distinguish HSA and BSA, quantitatively analyze HSA and BSA, and determine the mixing ratio of HSA and BSA at the same time, and the luminescent probe has been successfully used for cell fluorescence imaging.

    Domestic sewage treatment system
    39.
    发明授权
    Domestic sewage treatment system 有权

    公开(公告)号：US12172918B2

    公开(公告)日：2024-12-24

    申请号：US17627461

    申请日：2020-08-19

    Applicant: SICHUAN UNIVERSITY ,  EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

    Inventor： Xia Jiang ,  Fengli Gan ,  Yi Liu ,  Yuxiao Sun ,  Hualin Wang ,  Yafang Han

    IPC: C02F9/00 ,  C02F1/00 ,  C02F1/28 ,  C02F1/38 ,  C02F1/40 ,  C02F1/44 ,  C02F1/50 ,  C02F1/52 ,  C02F3/00 ,  C02F3/34 ,  C02F11/12 ,  C02F11/13 ,  C02F11/123 ,  C02F11/127 ,  C02F101/10 ,  C02F101/30 ,  C02F101/32

    Abstract: A treatment system for domestic wastewater, relating to the technical field of wastewater treatment. The treatment system comprises a primary treatment system, a secondary treatment system, and a sludge treatment system; the secondary treatment system comprises a biochemical tank (21) and a sedimentation tank (22) that are sequentially connected; the biochemical tank (21) is connected to the primary treatment system; the secondary treatment system further comprises a second cylcone separator (23) and a power pump (24); one end of the power pump (24) is connected to a sludge outlet of the sedimentation tank (22) by means of a pipeline, and the other end of the power pump (24) is connected to a second feed pipe (232) of the second cylcone separator (23); a second underflow port (233) is connected to the biochemical tank (21) by means of the pipeline; a second overflow port (234) is connected to the sludge treatment system by means of the pipeline. After active sludge is treated by the second cylcone separator (23), the activity of the active sludge is increased by at least 15%, thereby improving the utilization rate of a resource, reducing the cost of an overall treatment system, also improving degradation efficiency in the biochemical tank, and facilitating popularization.

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