Patents by Inventor Chenyan BAI

Chenyan BAI 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).

  • Publication number: 20210284886
    Abstract: The present disclosure provides a two-component solventless adhesive composition comprising a polyol component and an isocyanate component. The polyol component comprises a phosphate functional compound, and at least one polyol selected from polyester, polyether, and the combination thereof; and the isocyanate component comprises isocyanate prepolymer that is the reaction product of at least one isocyanate monomer and at least one polyol selected from polyester, polyether, and the combination thereof.
    Type: Application
    Filed: September 19, 2016
    Publication date: September 16, 2021
    Applicants: Dow Global Technologies LLC, ROHM AND HAAS COMPANY
    Inventors: Chenyan Bai, Mai Chen, Yinzhong Guo, Joseph J. Zupancic, Amira A. Marine
  • Patent number: 11015093
    Abstract: A two-component solventless adhesive composition is disclosed, the composition comprising an isocyanate component comprising an isocyanate prepolymer that is the reaction product of reactants comprising at least one polyisocyanate, at least one polyester polyol, at least one polyether polyol, and at least one polyol comprising a hydroxyl and COOH acid functionality. The adhesive composition further comprises a polyol component comprising at least one polyester polyol, at least one polyether polyol, or a combination thereof. A method for forming a laminate using the adhesive composition and a laminate itself are also disclosed. The method comprises forming a solventless adhesive composition, applying a layer of the adhesive composition to a surface of a film, bringing the layer into contact with a surface of another film to form a laminate, and curing the adhesive composition. A laminate made according to the method is further disclosed.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: May 25, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Chenyan Bai, Qiang Lu
  • Publication number: 20200263064
    Abstract: The present disclosure provides a two-component polyurethane adhesive composition comprising an aromatic polyisocyanate component and a polyol component comprising at least one polyester polyol and a polyol having two or more OH groups and a hydrogen-bridging group.
    Type: Application
    Filed: September 5, 2017
    Publication date: August 20, 2020
    Inventors: Gaobing Chen, Chenyan Bai
  • Publication number: 20200207903
    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: Application
    Filed: May 11, 2017
    Publication date: July 2, 2020
    Applicants: 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: 20200207905
    Abstract: Water-based adhesive composition are disclosed, the compositions comprising an acrylic dispersion, an epoxy-terminated polyester incorporated into the acrylic dispersion, and a water-dispersible isocyanate. Methods for laminating a first substrate to a second substrate are also disclosed, the methods comprising (a) providing an acrylic dispersion, (b) providing an epoxy-terminated polyester, (c) mixing the acrylic dispersion and the epoxy-terminated polyester, (d) mixing the mixture of (c) with a water-dispersible isocyanate to form an adhesive composition, (e) coating the adhesive composition of (d) on a surface of the first substrate, (f) drying the adhesive compositions on the first substrate to remove water, and (g) bringing the adhesive composition on the surface of the first substrate into contact with a surface of a second substrate, thereby laminating the first substrate to the second substrate.
    Type: Application
    Filed: May 15, 2017
    Publication date: July 2, 2020
    Inventors: Wenwen Li, Rui Xie, Chenyan Bai
  • Publication number: 20200017735
    Abstract: The present disclosure provides a polyurethane hot-melt adhesive composition comprising a polyol component and an isocyanate component, wherein the polyol component comprises a polyol having two or more OH groups and a hydrogen-bridging group.
    Type: Application
    Filed: March 30, 2017
    Publication date: January 16, 2020
    Inventors: Rui Shi, Chenyan Bai
  • Publication number: 20190127617
    Abstract: A two-component solventless adhesive composition is disclosed, the composition comprising an isocyanate component comprising an isocyanate prepolymer that is the reaction product of reactants comprising at least one polyisocyanate, at least one polyester polyol, at least one polyether polyol, and at least one polyol comprising a hydroxyl and COOH acid functionality. The adhesive composition further comprises a polyol component comprising at least one polyester polyol, at least one polyether polyol, or a combination thereof. A method for forming a laminate using the adhesive composition and a laminate itself are also disclosed. The method comprises forming a solventless adhesive composition, applying a layer of the adhesive composition to a surface of a film, bringing the layer into contact with a surface of another film to form a laminate, and curing the adhesive composition. A laminate made according to the method is further disclosed.
    Type: Application
    Filed: March 28, 2016
    Publication date: May 2, 2019
    Inventors: Chenyan Bai, Qiang Lu
  • Publication number: 20180305508
    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: Application
    Filed: June 25, 2018
    Publication date: October 25, 2018
    Inventors: Chenyan Bai, Zhaohui Qu, Hong Liang Zhang, Debkumar Bhattacharjee
  • Publication number: 20180298253
    Abstract: The present invention provides an adhesive composition comprising, by dry weight based on total dry weight of the adhesive composition, from 70% to 96%, a polyurethane dispersion, from 1% to 20%, an epoxy resin, and from 0.5% to 15%, an aliphatic amine crosslinker. It further provides a laminate comprising the adhesive composition.
    Type: Application
    Filed: October 26, 2015
    Publication date: October 18, 2018
    Inventors: Chenyan BAI, Zhaohui QU, Debkumar BHATTACHARJEE
  • Patent number: 9969916
    Abstract: Provided is an aqueous polyurethane dispersion comprising (a) dispersed particles of said polyurethane, wherein said polyurethane is the reaction product of polyurethane formation reactants comprising (i) one or more polyisocyanate, (ii) a polyol component comprising one or more polyol, and (iv) one or more organometallic compound having the structure wherein n is 0 or 1, t is 0 or 1, r is 0 or 1, p is 0 to 2, q is 0 to 13, at least one of p and q is not zero, M is a metal that is not silicon, —X1 is —NH2 or —OH; and —X2 is selected from the group consisting of —SH, —NH2, —COOH, and and (b) one or more isocyanate crosslinker having two or more isocyanate groups per molecule.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: May 15, 2018
    Assignees: ROHM AND HAAS COMPANY, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Chenyan Bai, Zhaohui Qu
  • Publication number: 20170247588
    Abstract: Provided is a polyurethane adhesive composition comprising a polyurethane dispersion and from 1.2 wt % to 20 wt % of a polyisocyanate crosslinker. Said polyurethane dispersion is a reaction product of from 10 wt % to 40 wt % of a monomelic aromatic diisocyanate, from 30 wt % to 65 wt % of a polyether polyol, from 15 wt % to 30 wt % of a polyester polyol having at least one aromatic group and one aliphatic group, from 0.1% to 8% of a polyamine, and from 0.5% to 10% of an ionic surfactant.
    Type: Application
    Filed: August 25, 2014
    Publication date: August 31, 2017
    Inventor: Chenyan Bai
  • Publication number: 20160333155
    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: Application
    Filed: December 3, 2013
    Publication date: November 17, 2016
    Inventors: Chenyan Bai, Zhaohui Qu, Hong Liang Zhang, Debkumar Bhattacharjee
  • Publication number: 20160304758
    Abstract: Provided is an aqueous polyurethane dispersion comprising (a) dispersed particles of said polyurethane, wherein said polyurethane is the reaction product of polyurethane formation reactants comprising (i) one or more polyisocyanate, (ii) a polyol component comprising one or more polyol, and (iv) one or more organometallic compound having the structure wherein n is 0 or 1, t is 0 or 1, r is 0 or 1, p is 0 to 2, q is 0 to 13, at least one of p and q is not zero, M is a metal that is not silicon, —X1 is —NH2 or —OH; and —X2 is selected from the group consisting of —SH, —NH2, —COOH, and and (b) one or more isocyanate crosslinker having two or more isocyanate groups per molecule.
    Type: Application
    Filed: December 3, 2013
    Publication date: October 20, 2016
    Inventors: Chenyan BAI, Zhaohui QU