Patents by Inventor Zhaohui Qu

Zhaohui Qu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12221559
    Abstract: Water-based pressure sensitive adhesive compositions are disclosed comprising (a) an acrylic emulsion having a glass transition temperature of less than or equal to 20° C., (b) optionally, a dispersant or a silane-containing compound, and (c) an ethylene or propylene copolymer emulsion. In some embodiments, (a) comprises from 75 to 99 wt % of the compositions, (b), when present, comprises from 0.1 to 5 wt % of the compositions, and (c) comprises from 0.1 to 25 wt % of the composition, each based on the dry weight of the compositions. Methods for preparing water-based pressure sensitive adhesive compositions are also disclosed comprising emulsion polymerizing at least one unsaturated monomer, thereby forming an emulsion polymer having a glass transition temperature of less than or equal to ?10° C. and blending the emulsion polymer together with a dispersant or silane-containing compound and an ethylene or propylene copolymer emulsion.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: February 11, 2025
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Mario De Filippis, Miao Yang, Cathie Seyfried, Zhaohui Qu, Isabelle Uhl, Melinda L. Einsla, Kalyan Sehanobish, William B. Griffith, Jr., Vinita Yadav
  • Patent number: 12116440
    Abstract: An aqueous composition including multi-stage latex polymer particles is provided. The multi-stage latex polymer particles include (A) a first-stage polymer containing (i) an ethylenically unsaturated acid monomer with two carboxylic acid groups and (ii) a first vinyl monomer, and (B) a second-stage polymer containing (i) an ethylenically unsaturated monomer with an epoxy group and (ii) a second vinyl monomer. An article including a nonwoven textile impregnated with the aqueous composition is also provided.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: October 15, 2024
    Assignee: Rohm and Haas Company
    Inventors: Yin Xue, Zhaohui Qu, Miao Yang
  • Patent number: 12104102
    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-based release coating compositions include (A) a vinyl-based emulsion copolymer comprising a copolymerizable acid monomer, (B) a silicone-based emulsion comprising a mixture of amine-, polyol-functional siloxane and epoxy-, glycol-functional siloxane, and (C) a polymeric 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.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: October 1, 2024
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company, Dow Silicones Corporation
    Inventors: Fang Liu, Xinhong Wang, Li Ding, Zhihua Liu, Zhaohui Qu
  • Publication number: 20240240068
    Abstract: A polyurethane adhesive composition, such as a two-component polyurethane adhesive, including (A) at least one isocyanate group-containing component including at least one isocyanate group-containing compound; and (B) at least one polyol component including: (Bi) at least one polyester polyol compound; and (Bii) at least one phosphate ester polyol compound; and a process for making the above composition.
    Type: Application
    Filed: November 22, 2018
    Publication date: July 18, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Rui Shi, Wenxin Zhang, Zhaohui Qu
  • Patent number: 12024658
    Abstract: Provided herein is a water-based hybrid pressure sensitive adhesive composition and a method of producing the same. The composition comprises: (A) 100 parts by mass of a silicone pressure sensitive adhesive; (B) 5 to 80 parts by mass of an acrylic pressure sensitive adhesive; (C) water in a sufficient amount to emulsify or disperse components (A) and (B) in component (C); and (D) 0.1 to 10 parts by mass of an amino-functional alkoxysilane compound, a hydrolysate thereof, or a hydrolyzed condensate thereof. Components (A) and (B) are emulsified or dispersed in component (C). The composition can be cured to form a pressure sensitive adhesive exhibiting good peel adhesion and low silicone migration.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: July 2, 2024
    Assignees: DOW SILICONES CORPORATION, ROHM AND HAAS COMPANY
    Inventors: Ruihua Lu, Li Ding, Zhaohui Qu, Yan Zhou, Zhihua Liu, Bochi Xu, Rongrong Fan
  • Patent number: 12006451
    Abstract: The present disclosure provides a two-component solvent-less adhesive composition. The two-component solvent-less adhesive composition contains the reaction product of (A) an isocyanate component containing the reaction product of (i) an isocyanate monomer and (ii) a first dimer acid polyester polyol; and (B) a polyol component containing (i) a second dimer acid polyester polyol and (ii) optionally, a polyol selected from a polyether polyol, a polyester polyol, and combinations thereof. The two-component solvent-less adhesive composition contains from 15 wt % to 45 wt % units derived from dimer acid, based on the total weight of the two-component solvent-less adhesive composition.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: June 11, 2024
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Rui Shi, Zhaohui Qu, Yinzhong Guo
  • Publication number: 20240093070
    Abstract: An adhesive composition is provided. The adhesive composition comprises the following components: (a) a polyacid polymer aqueous dispersion, wherein the polyacid polymer contains 50%˜100% by weight of one or more ethylenically unsaturated mono- or dicarboxylic acid/anhydrides; (b) a hydroxyl group-containing acrylic copolymer emulsion, wherein the hydroxyl group-containing acrylic copolymer is obtained from polymerizing a monomer mixture which contains 0.1-10% hydroxyl group-containing monomer, 0.1% to 20% weight unsaturated carboxylic acid and 30%-90% acrylic monomer, wherein the solid weight ratio of the above components (a) and (b) is 0.1:100 to 10:100, based on the solids of the components (a) and (b).
    Type: Application
    Filed: November 13, 2019
    Publication date: March 21, 2024
    Inventors: Yin Xue, Xinhong Wang, Zhenbing Chen, Zhaohui Qu
  • Patent number: 11926770
    Abstract: Disclosed is a composition comprising at least one interpolymer dispersed within an aqueous medium, the interpolymer comprising at least one unsaturated monomer and at least one selected from the group consisting of at least one conjugated acid, at least one mono-ester of a conjugated acid, and mixtures thereof, and, optionally, at least one surfactant configured to stabilize the interpolymer within the aqueous medium. The conjugated acid may be derived from a naturally-occurring oil, such as tung oil. There is also provided a method for preparing a composition, comprising forming an interpolymer comprising the at least one unsaturated monomer and the at least one selected from the group consisting of at least one conjugated acid, at least one mono-ester of a conjugated acid, and mixtures thereof. There is still further provided a pressure sensitive adhesive comprising the composition prepared according to the disclosed method.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: March 12, 2024
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Jiguang Zhang, Miao Yang, Shaoguang Feng, Zhaohui Qu
  • Patent number: 11866524
    Abstract: Water-based pressure sensitive adhesive composition and methods of make the same are provided. The water-based pressure sensitive adhesive composition comprises at least one interpolymer dispersed within an aqueous medium, the interpolymer comprising at least one unsaturated monomer and at least one compound selected from a group consisting of at least one conjugated acid, at least one ester of a conjugated acid, and mixtures thereof.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: January 9, 2024
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Jiguang Zhang, Miao Yang, Shaoguang Feng, Zhaohui Qu
  • Patent number: 11834780
    Abstract: Provided are a process, the process includes (i) first, contacting a textile with an aqueous solution containing a cationic hydroxyethylcellulose polymer to form a modified textile component; (ii) subsequently, impregnating the modified textile component with an aqueous polyurethane dispersion externally stabilized with an anionic surfactant, the aqueous polyurethane dispersion including a second surfactant; and (iii) precipitating the polyurethane in the modified textile component. Also disclosed are a synthetic leather produced by the process.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: December 5, 2023
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Yunlong Guo, Yi Zhang, Zhaohui Qu, Xiangyang Tai
  • Publication number: 20230357614
    Abstract: An adhesive composition is provided. The adhesive composition comprises (A) an isocyanate component comprising an isocyanate prepolymer which comprises the reaction product of at least one isocyanate monomer and at least one polyol selected from the group consisting of a polyester polyol, a polyether polyol and the combination thereof; and (B) a polyol component comprising at least one polyol selected from the group consisting of a polyester polyol, a polyether polyol, and the combination thereof, with the proviso that at least one of (A) and (B) further comprises at least one silane-containing polyol. Also provided are cured adhesive compositions, methods of producing cured laminates, the so produced cured laminates and use of a silane-containing polyol in such adhesive composition.
    Type: Application
    Filed: October 22, 2020
    Publication date: November 9, 2023
    Inventors: Rui Shi, Zhaohui Qu, Kaili Wang
  • Publication number: 20230312806
    Abstract: An isocyanate compound containing a phosphate functional group obtainable or obtained by the reaction of at least one selected from the group consisting of an isocyanate monomer, an isocyanate adduct and combinations thereof, with a phosphate functional polyol is provided. Also provided are an adhesive composition comprising the isocyanate compound, cured adhesive compositions, methods of producing cured laminates, the so produced cured laminates and use of the isocyanate compound in a two-component solvent-based adhesive composition.
    Type: Application
    Filed: October 22, 2020
    Publication date: October 5, 2023
    Inventors: Rui Shi, Gaobing Chen, Zhaohui Qu
  • Publication number: 20230303770
    Abstract: A unique polyol compound formed by a reaction between a carbonate compound represented by Formula (I) and a polyamine compound is provided. A polyurethane-based adhesive composition comprising the polyol compound can produce an adhesive layer exhibiting superior bond strength and heat seal strength which will not be substantially deteriorated by the change in the weight ratio between isocyanate component and polyol component. Methods for preparing the polyol compound and for preparing the adhesive composition, as well as a laminate article prepared with said adhesive composition are also provided.
    Type: Application
    Filed: July 14, 2020
    Publication date: September 28, 2023
    Inventors: Ke Shi, Chenyan Bai, Zhaohui Qu, Tao Wang, Cheng Shen
  • Patent number: 11746465
    Abstract: A process of making a synthetic leather includes (i) first, contacting a textile with an aqueous solution containing a cationic hydroxyethylcellulose polymer to form a modified textile component; (ii) subsequently, impregnating the modified textile component with an aqueous polyurethane dispersion externally stabilized with an anionic surfactant; and (iii) precipitating the polyurethane in the modified textile component. And a synthetic leather formed by the process.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: September 5, 2023
    Assignee: The Dow Chemical Company
    Inventors: Xiangyang Tai, Zhaohui Qu, Ruijun Zhao, Yunlong Guo, Xiaoyi Pang
  • Publication number: 20230175200
    Abstract: The present disclosure relates to a formaldehyde-free aqueous curable composition comprising: A) a polymer polymerized from a monomer mixture comprising (a) 30-90 wt % of C1-C10 alkyl acrylate; (b) 10-60 wt % of vinylaromatics; (c) 0.5-10 wt % of an ethylenically unsaturated compound having at least two carboxylic acid groups; (d) 0-10 wt % of an ethylenically unsaturated acid having one carboxylic acid group; (e) 0-5 wt % of other ethylenically unsaturated monomers; wherein the percentages are based on the total weight of the monomer mixture; and B) a titanium catalyst.
    Type: Application
    Filed: June 19, 2020
    Publication date: June 8, 2023
    Inventors: Yin Xue, Zhaohui Qu, Rui Shi, Xinhong Wang, Zhenbing Chen
  • Publication number: 20230167342
    Abstract: A novel polyol compound represented by Formula (I) is provided. A polyurethane-based adhesive composition comprising the polyol compound can produce an adhesive layer exhibiting superior bond strength and heat seal strength which will not be substantially deteriorated by the change in the weight ratio between isocyanate component and polyol component. Methods for preparing the polyol compound and for preparing the adhesive composition, as well as a laminate article prepared with said adhesive composition are also provided.
    Type: Application
    Filed: June 19, 2020
    Publication date: June 1, 2023
    Inventors: Chenyan Bai, Ke Shi, Zhaohui Qu, Gaobing Chen, Tao Wang
  • Patent number: 11542376
    Abstract: Provided is an aqueous composition comprising dispersed particles that comprise a polyurethane, wherein said polyurethane is a reaction product of a group of reactants (GR1), wherein GR1 comprises one or more aromatic polyisocyanates and, a polyol component, wherein said polyol component comprises (a) 50% to 99% by weight, based on the weight of said polyol component, one or more polyester polyols, (b) 0.1% to 10% by weight, based on the weight of said polyol component, one or more diols having a hydrophilic side chain, and (c) 0.9% to 40% by weight, based on the weight of said polyol component, one or more polyols different from (a) and (b). Also provided is a method of bonding a metal foil to a polymer film using such an aqueous composition.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: January 3, 2023
    Assignees: ROHM AND HAAS COMPANY, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Chenyan Bai, Zhaohui Qu, Hong Liang Zhang, Debkumar Bhattacharjee
  • Patent number: 11498999
    Abstract: An aqueous polyurethane dispersion compositions are disclosed. The compositions include a polyurethane prepolymer dispersed in an aqueous medium, the polyurethane prepolymer comprising an isocyanate and a crystalline polyester polyol having a hydroxyl content of 20 to 150 mg KOH/g and a melt temperature of less than or equal to 90° C. Methods of forming a laminate are also disclosed. The methods include providing an aqueous polyurethane dispersion, applying the polyurethane dispersion to a surface of the first substrate, bringing the side of the first substrate into contract with a surface of the second substrate, and curing the aqueous dispersion, thereby laminating the first substrate to the second substrate. Laminates formed by the methods and including the compositions are also disclosed.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: November 15, 2022
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Chenyan Bai, Zhaohui Qu, Jie Wu, Kalyan Sehanobish, Hongyu Chen, Xinchun Liu, Chao Zhang
  • Publication number: 20220282134
    Abstract: Disclosed is an acrylic adhesive composition comprising: A) a polymer polymerized from a monomer mixture comprising (a) 40-90 wt % of C6-C10 alkyl acrylate; (b) 3-15 wt % of methyl (meth)acrylate; (c) 0.1-5 wt % of an ethylenically unsaturated compound having at least one keto or aldehyde group; (d) 0-2 wt % of an ethylenically unsaturated acid; (e) 0-30 wt % of other ethylenically unsaturated monomers; wherein the percentages are based on the total weight of the monomer mixture; and B) a polyhydrazide compound having at least two hydrazide functional groups which react with the keto or aldehyde groups by a crosslinking reaction.
    Type: Application
    Filed: July 18, 2019
    Publication date: September 8, 2022
    Inventors: Miao Yang, Zhaohui Qu
  • Publication number: 20220251282
    Abstract: The present disclosure provides a polyurethane dispersion comprising a polyurethane prepolymer and an ionic surfactant. It further provides a microfiber nonwoven synthetic leather comprising a microfiber nonwoven fabric and the polyurethane dispersion. It further provides a method of preparing the microfiber nonwoven synthetic leather comprising a step of impregnating microfiber nonwoven fabrics into the polyurethane dispersion.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 11, 2022
    Inventors: Chao He, Yi Zhang, Zhaohui Qu, Chao Zhang, Xiangyang Tai