Patents by Inventor Zhenbin NIU

Zhenbin NIU 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: 12247105
    Abstract: A composition contains a mixture of silyl hydride, an alpha-beta unsaturated ester, a Lewis acid catalyst and an amine having the following formula: R1R2R3N; where the nitrogen is not a member of an N?C—N linkage and where each of R1, R2, and R3 is independently selected from a group consisting of hydrogen, alkyl, substituted alkyl, and conjugated moieties; and wherein at least one of R1, R2 and R3 is a conjugated moiety connected to the nitrogen by a conjugated carbon.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: March 11, 2025
    Assignee: Dow Silicones Corporation
    Inventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu
  • Patent number: 12173181
    Abstract: An epoxy-curable silicone release coating composition and methods for its preparation and use are provided. The composition contains an inhibited Lewis acid catalyst. Releasing the Lewis acid catalyst from the inhibitor allows the Lewis acid to catalyze cure of the epoxy-groups. The composition can be coated on various substrates and cured to form a release liner.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: December 24, 2024
    Assignee: Dow Silicones Corporation
    Inventors: Yanhu Wei, Zhenbin Niu, Peng-Fei Fu
  • Patent number: 12152148
    Abstract: A composition contains a mixture of silyl hydride, a siloxane, a Lewis acid catalyst and an amine having the following formula: R1R2R3N; where the nitrogen is not a member of an N?C—N linkage and where each of R1, R2, and R3 is independently selected from a group consisting of hydrogen, alkyl, substituted alkyl, and conjugated moieties; and wherein at least one of R1, R2 and R3 is a conjugated moiety connected to the nitrogen by a conjugated carbon.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: November 26, 2024
    Assignee: Dow Silicones Corporation
    Inventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu
  • Patent number: 12116459
    Abstract: A composition contains a mixture of silyl hydride, a silanols and/or silyl ether, a Lewis acid catalyst and an amine having the following formula: R1R2R3N; where the nitrogen is not a member of an N?C—N linkage and each of R1, R2, and R3 is independently selected from a group consisting of hydrogen, alkyl, substituted alkyl, and conjugated moieties; and wherein at least one of R1, R2 and R3 is a conjugated moiety connected to the nitrogen by a conjugated carbon.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: October 15, 2024
    Assignee: Dow Silicones Corporation
    Inventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu
  • Publication number: 20240084076
    Abstract: A polyfunctional organohydrogensiloxane is prepared using a boron containing Lewis acid as catalyst. The polyfunctional organohydrogensiloxane may be formulated into release coating compositions. Alternatively, the polyfunctional organohydrogensiloxane may be further functionalized with a curable group to form a clustered functional organosiloxane. The clustered functional organosiloxane may be formulated into thermal radical cure adhesive compositions.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 14, 2024
    Inventors: Eric Joffre, Nanguo Liu, Gang Lu, Zhenbin Niu, David Rich
  • Patent number: 11905375
    Abstract: A polyfunctional organohydrogensiloxane and method for its preparation using a boron containing Lewis acid as catalyst is disclosed. A clustered functional organosiloxane may be prepared by a method comprising functionalizing the polyfunctional organohydrogensiloxane. The polyfunctional organohydrogensiloxane and the clustered functional organosiloxane are useful in curable compositions. The polyfunctional organohydrogensiloxane may be used in a release coating composition. The clustered functional organosiloxane may be used in an adhesive composition.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: February 20, 2024
    Assignee: Dow Silicones Corporation
    Inventors: Eric Joffre, Nanguo Liu, Gang Lu, Zhenbin Niu, David Rich
  • Publication number: 20230331923
    Abstract: A composition is disclosed, which comprises (A) an organohydrogensiloxane having cyclic siloxane moieties including silicon-bonded hydrogen atoms. The composition further comprises (B) a polyether compound having an aliphatically unsaturated group. Finally, the composition comprises (C) a hydrosilylation catalyst. A silicone polyether surfactant prepared by reacting components (A) and (B) in the presence of component (C) is also disclosed. In addition, an isocyanate-reactive component comprising a polyol and the silicone polyether surfactant is disclosed. A composition comprising the isocyanate-reactive component, an isocyanate component comprising a polyisocyanate, and a catalyst is further disclosed. Finally, a method of preparing an article comprising a polyurethane and/or polyisocyanurate foam, and an article formed from the composition and/or the method, are disclosed.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 19, 2023
    Inventors: Fang ZHANG, Nanguo LIU, Scott BOELTER, Travis SUNDERLAND, Weston TULLOCH, Simon TOTH, Zhenbin NIU, Sachit GOYAL, Adebola OGUNNIYI, Yang CHENG
  • Patent number: 11787908
    Abstract: A polyfunctional organohydrogensiloxane is prepared using a boron containing Lewis acid as catalyst. The polyfunctional organohydrogensiloxane may be formulated into release coating compositions. Alternatively, the polyfunctional organohydrogensiloxane may be further functionalized with a curable group to form a clustered functional organosiloxane. The clustered functional organosiloxane may be formulated into thermal radical cure adhesive compositions.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: October 17, 2023
    Assignee: DOW SILICONES CORPORATION
    Inventors: Eric Joffre, Nanguo Liu, Gang Lu, Zhenbin Niu, David Rich
  • Patent number: 11643506
    Abstract: Polyorganosiloxanes and methods for their preparation are disclosed. The polyorganosiloxanes are useful in curable compositions. The polyorganosiloxanes may have up to 9 silicon bonded hydrogen atoms, or other curable groups, per molecule.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: May 9, 2023
    Assignee: Dow Silicones Corporation
    Inventors: Gang Lu, Nanguo Liu, Zhenbin Niu, David Rich, Michael Telgenhoff, Michael Wang
  • Publication number: 20230130539
    Abstract: An epoxy-curable silicone release coating composition and methods for its preparation and use are provided. The composition contains an inhibited Lewis acid catalyst. Releasing the Lewis acid catalyst from the inhibitor allows the Lewis acid to catalyze cure of the epoxy-groups. The composition can be coated on various substrates and cured to form a release liner.
    Type: Application
    Filed: May 12, 2021
    Publication date: April 27, 2023
    Inventors: Yanhu Wei, Zhenbin Niu, Peng-Fei Fu
  • Publication number: 20230074905
    Abstract: A curable polysiloxane release coating composition comprises (A) an organopolysiloxane containing ethylenically unsaturated groups. Component (A) is selected from: (A1) a branched organopolysiloxane containing at least three (3) organopolysiloxane branch chains linked through a central core including at least two (2) organopolysiloxane branch chains each of which contain an ethylenically unsaturated group; and/or (A2) a linear organopolysiloxane containing at least 2 ethylenically unsaturated groups having at least six (6) carbon atoms. The composition further comprises (B) an organopolysiloxane containing at least 2 Si—H groups, and (C) a hydrosilylation catalyst.
    Type: Application
    Filed: August 22, 2022
    Publication date: March 9, 2023
    Inventors: Aswini K. Dash, Zhenbin Niu, David A. Rich
  • Publication number: 20230047845
    Abstract: A base composition for forming a release coating composition is disclosed. The base composition comprises (A) a silicate resin that is a liquid at 25° C. in the absence of any solvent. The (A) silicate resin includes an average of at least one silicon-bonded ethylenically unsaturated group per molecule. The composition further comprises (B) an organopolysiloxane including an average of at least two silicon-bonded ethylenically unsaturated groups per molecule. A method of preparing the base composition and a method of preparing a release coating composition are also disclosed.
    Type: Application
    Filed: December 22, 2020
    Publication date: February 16, 2023
    Inventors: Peng-Fei FU, Zhenbin NIU, Timothy MITCHELL, Yanhu WEI
  • Publication number: 20230051588
    Abstract: A pressure sensitive adhesive (PSA) composition comprises (A) a silicate resin that is a liquid at 25° C. in the absence of any solvent. The (A) silicate resin includes an average of at least one silicon-bonded ethylenically un saturated group per molecule. The PSA composition further comprises (B) an organosilicon compound having at least two silicon-bonded hydrogen atoms per molecule. In addition, the PSA composition comprises (C) a hydrosilylation-reaction catalyst. The (A) silicate resin is miscible in the PSA composition in the absence of any solvent. The PSA composition can be at least partially cured to give a PSA.
    Type: Application
    Filed: December 22, 2020
    Publication date: February 16, 2023
    Inventors: Timothy MITCHELL, Peng-Fei FU, Zhenbin NIU, Yanhu WEI
  • Publication number: 20230050919
    Abstract: A base composition for forming a release coating composition is disclosed. The base composition comprises (A) a silicate resin that is a liquid at 25° C. in the absence of any solvent. The (A) silicate resin includes an average of at least one silicon-bonded ethylenically un saturated group per molecule. The composition further comprises (B) an organopolysiloxane including an average of at least two silicon-bonded ethylenically un saturated groups per molecule. The (A) silicate resin is miscible with the (B) organopolysiloxane in the absence of any solvent. A method of preparing the base composition and a method of preparing a release coating composition are also disclosed.
    Type: Application
    Filed: December 22, 2020
    Publication date: February 16, 2023
    Inventors: Zhenbin NIU, Peng-Fei FU, Timothy MITCHELL, Yanhu WEI
  • Publication number: 20230047536
    Abstract: A composition for forming a release coating is disclosed. The composition comprises (A) an organopolysiloxane comprising the reaction product of: (i) a silicone resin having a particular formula; and (ii) a cyclic siloxane; in the presence of a polymerization catalyst. The composition further comprises (B) an organopolysiloxane including an average of at least two silicon-bonded ethylenically unsaturated groups per molecule.
    Type: Application
    Filed: December 2, 2020
    Publication date: February 16, 2023
    Inventors: Pierre CHEVALIER, Zhenbin NIU, Sze-Sze NG, Sébastien GROFILS, Lori DEHLIN, Deana DUJARDIN, Alex KNOTT, David RICH, Thomas BEKEMEIER, Timothy P. MITCHELL, Dongchan AHN
  • Publication number: 20220411588
    Abstract: A composition for forming a release coating is disclosed. The composition comprises (A) an organopolysiloxane comprising the reaction product of: (i) a silicone resin having a particular formula; (ii) a cyclic siloxane; and (iii) (iii) at least one of (A)(iii) (a) a branched organopolysiloxane having a particular formula or (A)(iii)(b) a terminating agent; in the presence of a polymerization catalyst. The composition further comprises (B) an organopolysiloxane including an average of at least two silicon-bonded ethylenically unsaturated groups per molecule.
    Type: Application
    Filed: December 2, 2020
    Publication date: December 29, 2022
    Inventors: Pierre CHEVALIER, Zhenbin NIU, Sze-Sze NG, Lori DEHLIN, Deana DUJARDIN, Alex KNOTT, David RICH, Thomas BEKEMEIER, Timothy P. MITCHELL, Dongchan AHN
  • Publication number: 20220389274
    Abstract: A release coating composition comprises (A) an organopolysiloxane containing at least two (2) ethylenically unsaturated groups, (B) an organopolysiloxane containing at least 2 Si—H groups per molecule, and (C) a hydrosilylation catalyst. If the organopolysiloxane (A) contains only 2 ethylenically unsaturated groups, the organopolysiloxane (B) contains on average more than 2 Si—H groups per molecule. The composition further comprises (D1) a hydrosilylation inhibitor comprising a maleimide of the general formula (I): In formula (I), A3 represents a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms, and A1 and A2 each represent a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms.
    Type: Application
    Filed: August 19, 2022
    Publication date: December 8, 2022
    Inventors: Aswini K. DASH, Zhenbin NIU, David A. RICH
  • Patent number: 11453805
    Abstract: A curable polysiloxane release coating composition comprises (A) an organopolysiloxane containing at least two (2) ethylenically unsaturated groups, (B) an organopolysiloxane containing at least 2 Si—H groups per molecule, and (C) a hydrosilylation catalyst. If the organopolysiloxane (A) contains only 2 ethylenically unsaturated groups, the organopolysiloxane (B) contains on average more than 2 Si—H groups per molecule. The composition further comprises (D1) a hydrosilylation inhibitor comprising a maleimide of the general formula (I). In formula (I), A3? represents a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms, and A1? and A2? each represent a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: September 27, 2022
    Assignee: DOW SILICONES CORPORATION
    Inventors: Aswini K. Dash, Zhenbin Niu, David A. Rich
  • Patent number: 11390775
    Abstract: A composition for forming a release coating is disclosed. The composition comprises (A) the reaction product of (1) a branched organopolysiloxane including M, D and Q siloxy units and an average of at least two silicon-bonded ethylenically unsaturated groups per molecule; and (2) an organosilicon compound having an average of at least two silicon-bonded hydrogen atoms per molecule; in the presence of a hydrosilylation catalyst. The composition further comprises (B) an organopolysiloxane having an average of at least two silicon-bonded ethylenically unsaturated groups per molecule.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: July 19, 2022
    Assignee: Dow Silicones Corporation
    Inventors: Zhenbin Niu, Pierre Chevalier, Sze-Sze Ng, Deana Dujardin, Alex Knott, Lori Dehlin, David Rich
  • Publication number: 20220185965
    Abstract: A composition contains a mixture of silyl hydride, a silanols and/or silyl ether, a Lewis acid catalyst and an amine having the following formula: R1R2R3N; where the nitrogen is not a member of an N?C—N linkage and each of R1, R2, and R3 is independently selected from a group consisting of hydrogen, alkyl, substituted alkyl, and conjugated moieties; and wherein at least one of R1, R2 and R3 is a conjugated moiety connected to the nitrogen by a conjugated carbon.
    Type: Application
    Filed: June 2, 2020
    Publication date: June 16, 2022
    Inventors: Yanhu Wei, Steven Swier, Zhenbin Niu, Nanguo Liu